WO2020087212A1 - 侧行链路中确定传输模式的方法、终端设备和网络设备 - Google Patents
侧行链路中确定传输模式的方法、终端设备和网络设备 Download PDFInfo
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- WO2020087212A1 WO2020087212A1 PCT/CN2018/112453 CN2018112453W WO2020087212A1 WO 2020087212 A1 WO2020087212 A1 WO 2020087212A1 CN 2018112453 W CN2018112453 W CN 2018112453W WO 2020087212 A1 WO2020087212 A1 WO 2020087212A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
Definitions
- the present application relates to the field of communications, and in particular, to a method for determining a transmission mode in a side link, terminal equipment, and network equipment.
- the car networking system is a sidelink (SL) transmission technology based on Long Term Evolution (LTE) terminal direct connection (Device to Device, D2D), and communication data with traditional LTE systems is received through the base station Or the transmission method is different.
- LTE Long Term Evolution
- D2D Device to Device
- the Internet of Vehicles system uses direct terminal-to-terminal communication, so it has higher spectrum efficiency and lower transmission delay.
- transmission resources can be allocated to terminal devices through network devices; or, terminal devices can Self-selected resources in the resource pool of configuration or network configuration, where the self-selected resources can be selected in a random manner or in a listening manner; or, the terminal device can also assist other terminal devices in selecting resources, such as the first terminal device Send auxiliary information to the second terminal device, where the auxiliary information includes available time-frequency resource information, channel measurement information, and channel quality information, etc., so that the second terminal device selects transmission resources based on the auxiliary information.
- auxiliary information includes available time-frequency resource information, channel measurement information, and channel quality information, etc.
- Embodiments of the present application provide a method for determining a transmission mode in a side link, a terminal device, and a network device, which can implement that the terminal device uses a suitable transmission mode for side link communication.
- a method for determining a transmission mode in a side link including: a first terminal device determines a first transmission mode among multiple transmission modes; the first terminal device adopts the first transmission mode , Sidelink communication with other terminal devices.
- a method for determining a transmission mode in a side link including: receiving a first message sent by a first terminal device, where the first message includes first information, and the first information includes the following information At least one of: the transmission mode adopted by the first terminal device for side link communication, the group identifier of the terminal device group where the first terminal device is located, and the group header information of the terminal device group, wherein The group header information is used to indicate a group header in the terminal device group, where the group header is a terminal device in the terminal device group with resource coordination or allocation function; according to the first message, in multiple transmission modes The first transmission mode is determined in; the first configuration information is sent to the first terminal device, the first configuration information is used to instruct the first terminal device to use the first transmission mode to perform a side chain with other terminal devices ⁇ ⁇ Road communication.
- a terminal device for performing the method in the first aspect or its implementations.
- the terminal device includes a functional module for performing the method in the above-mentioned first aspect or various implementations thereof.
- a network device for performing the method in the second aspect or its implementations.
- the network device includes a functional module for performing the method in the above-mentioned second aspect or various implementations thereof.
- a terminal device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or the various implementations thereof.
- a network device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or various implementations thereof.
- a chip for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
- the chip includes: a processor for calling and running a computer program from the memory, so that the device installed with the chip executes any one of the first aspect to the second aspect described above or its respective implementations method.
- a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first to second aspects or their respective implementations.
- a computer program product including computer program instructions, which cause the computer to execute the method in any one of the above first to second aspects or in various implementations thereof.
- a computer program which, when run on a computer, causes a computer to execute the method in any one of the above first to second aspects or the various implementations thereof.
- the network device or the terminal device configures one or more terminal devices for the transmission mode used when performing the side link, especially for multiple terminal devices in unicast or multicast communication, which can be configured according to the actual application Appropriate transmission mode to avoid resource conflicts and improve resource utilization and data transmission efficiency.
- FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- FIG. 2 is a schematic diagram of a side link system provided by an embodiment of the present application.
- FIG. 3 is a schematic diagram of a method for determining a transmission mode in a side link provided by an embodiment of the present application.
- FIG. 4 is another schematic diagram of a method for determining a transmission mode in a side link provided by an embodiment of the present application.
- FIG. 5 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
- FIG. 6 is a schematic block diagram of a network device provided by an embodiment of the present application.
- FIG. 7 is a schematic block diagram of a communication device according to an embodiment of the present application.
- FIG. 8 is a schematic block diagram of a chip provided by an embodiment of the present application.
- FIG. 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
- GSM Global System of Mobile
- CDMA Code Division Multiple Access
- WCDMA Broadband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access, WiMAX
- the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
- the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal).
- the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
- the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
- BTS Base Transceiver Station
- NodeB, NB base station
- LTE Long Term Evolutional Node B
- eNodeB evolved base station in an LTE system
- CRAN Cloud Radio Access Network
- the network equipment can be a mobile switching center, a relay station, an access point, an in-veh
- the communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110.
- terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And / or another data connection / network; and / or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) equipment.
- PSTN Public Switched Telephone Networks
- DSL Digital Subscriber Lines
- WLAN wireless local area networks
- digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter
- IoT Internet of Things
- a terminal device configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
- mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
- PCS Personal Communication Systems
- GPS Global Positioning System
- Terminal equipment can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device.
- Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in a 5G network, or terminal devices in a future-evolving PLMN, etc.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- terminal equipment 120 may perform terminal direct connection (Device to Device, D2D) communication.
- the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
- NR New Radio
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
- the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- the devices with communication functions in the network / system in the embodiments of the present application may be referred to as communication devices.
- the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
- the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
- FIG. 2 shows a schematic diagram of two transmission modes in a connected vehicle system according to an embodiment of the present application.
- pattern 3 on the left indicates that the transmission resources of the vehicle-mounted terminal are allocated by the base station through downlink (downlink, DL), and the vehicle-mounted terminal transmits data on the side link according to the resources allocated by the base station ;
- the base station can allocate resources for a single transmission to the terminal or semi-static transmission resources for the terminal.
- Mode 4 on the right indicates that the vehicle-mounted terminal adopts a transmission method of sensing and reservation.
- the vehicle-mounted terminal obtains a set of available transmission resources by listening in the resource pool, and the terminal randomly selects a resource from the set for data transmission. Because the services in the IoV system have periodic characteristics, the terminal usually adopts a semi-static transmission method, that is, after the terminal selects a transmission resource, it will continue to use the resource in multiple transmission cycles, thereby reducing resource reselection and The probability of resource conflicts.
- the terminal will carry the information reserved for the next transmission resource in the control information transmitted this time, so that other terminals can determine whether this resource is reserved and used by the user by detecting the user's control information, to reduce resource conflicts purpose.
- Mode 1 is a network device that allocates transmission resources to the terminal, which is similar to LTE-V2X In mode 3, the terminal device uses the transmission resources allocated by the network device; and mode 2 is that the terminal device selects the transmission resources, and is divided into several sub-modes (Mode) under the mode 2, for example, the following may be specifically included.
- Mode 2a The terminal equipment autonomously selects the transmission resources, similar to Mode 4 in LTE-V2X above; for example, the terminal autonomously selects resources in a pre-configured or network-configured resource pool, which can be selected in a random manner Resources, or select resources by listening.
- Mode 2b the terminal assists other terminals in selecting resources; for example, the first terminal sends auxiliary information to the second terminal, and the terminal device that receives the auxiliary information may determine the transmission resource according to the auxiliary information, where the auxiliary information may include the following One or more of the information: available time-frequency resource information, available transmission resource set information, channel measurement information, and channel quality information, such as channel state information (Channel State Information, CSI), channel quality indicator (Channel Quality Indicator) , CQI), Precoding Matrix Indicator (PMI), Rank Indication (RI), Reference Signal Received Power (Reference Signal Receiving Power, RSRP), Received Signal Quality (Reference Signal Receiving Quality, RSRQ), Received signal strength indication (Received Signal Strength Indicator, RSSI), interference information, road loss information, etc.
- channel state information Channel State Information, CSI
- channel quality indicator Channel Quality Indicator
- CQI Precoding Matrix Indicator
- PMI Precoding Matrix Indicator
- RI Reference
- Mode 2c The terminal device selects resources among the transmission resources configured for it; for example, the network device may configure transmission resources for each terminal in a group of terminal devices, where the transmission resources of each terminal device may be the same or different , When any one of the terminals has side data transmission, you can use the transmission resources configured by the network identification for data transmission, for example, when the network device is configured with the same resource for each terminal device in a group of terminal devices, side line is required.
- the terminal device for data transmission can select the resources that can be used by listening or the like among the configured resources; or, the network device can also configure different transmission resources for each terminal device in a group of terminal devices, and side data transmission is required
- the terminal device can select the available resources among the resources configured for it.
- the first terminal device allocates transmission resources to the second terminal device; for example, for multiple terminal devices in a multicast link, if the first terminal device is the group head in the group of links, the second terminal device is As a group member of the group, the first terminal device may directly allocate time-frequency resources for side link transmission to the second terminal device.
- the terminal device in mode 2b or mode 2d, is usually in a unicast or multicast link, and other terminal devices (such as the group head in group communication, or the opposite terminal in unicast communication The device) allocates transmission resources to the terminal, or other terminals send auxiliary information for the terminal to select resources.
- the terminal device In other transmission modes, the terminal device mainly relies on the transmission resources allocated by the network device for side link communication.
- the terminal device if the terminal device is outside the cell coverage and does not perform unicast or multicast communication with other terminal devices, the terminal device only performs broadcast communication, and the terminal device may work in the above-mentioned mode 2a.
- the terminal device and other terminal devices form a unicast link or a multicast link, they can perform unicast communication or group communication with other terminal devices.
- the terminal device can also work in mode 2b or mode 2d.
- the terminal device For any terminal device, if the terminal device is currently operating in mode 1, but the terminal device is performing unicast communication or multicast communication at the same time, other terminal devices for unicast communication or multicast communication can also use mode 1 mode. That is, the transmission resources of all unicast communication and multicast communication are determined by the network equipment. However, if each group member in multicast communication is not in a cell and there is no resource coordination between the cells, then the network equipment of each group member may cause transmission resource conflicts when allocating transmission resources to the group member, that is, in different cells The transmission resources of the terminal equipment conflict. At this time, the terminal equipment can use mode 2b or mode 2d. For example, the group head allocates transmission resources to each group member, thereby avoiding transmission interference between users in the group.
- the embodiment of the present application proposes a method for determining the transmission mode in the side link, so that the terminal device can switch the transmission mode, so that it can cope with various scenarios and avoid resource conflicts.
- FIG. 3 shows a schematic flowchart of a method 200 for determining a transmission mode in a side link according to an embodiment of the present application.
- the method 200 may be executed by any terminal device, and the terminal device is referred to herein as a first terminal device.
- the first terminal device may perform side link communication with other terminal devices.
- the first terminal device may be any terminal device shown in FIG. 1 or FIG. 2.
- the method 200 includes: S210, a first terminal device determines a first transmission mode among multiple transmission modes; S220, the first terminal device adopts the first transmission mode, and performs a sidewalk with other terminal devices Link communication.
- the first terminal device may determine the first transmission mode among multiple transmission modes in various ways, for example, the first terminal device determines the first transmission mode through configuration of the network device, that is, the first The terminal device receives configuration information sent by the network device, and the configuration information is used to indicate the first transmission mode, and the first terminal device determines the first transmission mode among the multiple transmission modes according to the first configuration information; or, The first terminal device may also determine the first transmission mode among the multiple transmission modes according to its own related messages, or combined with information of other terminal devices; or, the first terminal device may also receive Configuration information, the configuration information is used to indicate the first transmission mode, so that the first terminal device determines the first transmission mode among the multiple transmission modes according to the configuration information, and the embodiments of the present application are not limited thereto.
- the first terminal device uses the first transmission mode determined in S210 to perform side link communication with other terminal devices. Before determining the first transmission mode in S210, the first terminal device may use the second transmission mode to perform side link communication with other terminal devices. After the first terminal device determines the first transmission mode, the first The terminal device updates the transmission mode used for side link communication from the second transmission mode to the first transmission mode.
- the second transmission mode may be the same as or different from the first transmission mode. If the first transmission mode is the same as the second transmission mode, in S220, the first terminal device does not change the transmission mode; if the first transmission mode is not the same as the second transmission mode, in S220, the first terminal device Change the transmission mode from the second transmission mode to the first transmission mode.
- the first transmission mode or the second transmission mode may be any one of the transmission modes, for example, it may be the above-mentioned mode 1, or may be any one of Mode 2a-2d in Mode 2. This embodiment of the present application Not limited to this.
- the method 200 for determining a transmission mode in a side link will be described in detail below in combination with different embodiments.
- Embodiment 1 Configure the first terminal device to adopt the first transmission mode through a network device.
- the first terminal device receives the first configuration information sent by the network device, where the first configuration information is used to indicate the first transmission mode, and the first terminal device determines the first configuration information among the multiple transmission modes according to the first configuration information A transmission mode, and adopts the first transmission mode to perform side link communication with other terminal devices.
- the first terminal device receiving the first configuration information sent by the network device may be carried in, for example, broadcast information, radio resource control (Radio Resource Control, RRC) signaling, or downlink control information.
- RRC Radio Resource Control
- the embodiments of the present application are not limited to this.
- the first configuration information may further include at least one of the following information: group identification information of the terminal device group where the first terminal is located, type information of multicast communication or broadcast communication, and radio access technology (Radio Access Technology, RAT) category indication information and Quality of Service (QoS) attribute information.
- group identification information of the terminal device group where the first terminal is located type information of multicast communication or broadcast communication
- radio access technology (Radio Access Technology, RAT) category indication information and Quality of Service (QoS) attribute information.
- QoS Quality of Service
- the first configuration information sent by the network device to the first terminal device includes the first transmission mode. At the same time, it may also include group identification information of the terminal device group where the first terminal device is located, so that the first terminal device determines in which terminal device group the first transmission mode is adopted for side link communication, wherein, the first The terminal device may use the same or different transmission modes in different terminal device groups for side link communication.
- the first configuration information may also include the type of unicast communication, multicast communication, or broadcast communication, that is, the first configuration information sent by the network device to the first terminal device indicates that the first terminal device is in unicast communication , Multicast communication or broadcast communication adopts the first transmission mode for side link communication.
- the type information indicated by the first configuration information is multicast communication
- the identification information of the terminal device group included in the first configuration information may be combined to determine specifically which multicast link adopts the first transmission mode.
- Sidelink communication For another example, when the type indicated by the first configuration information is broadcast communication, the first terminal device may use the first transmission mode to perform side link communication with other terminal devices when determining the broadcast communication.
- the first configuration information may also include RAT type indication information, for example, the RAT type indication information may be used to indicate LTE or NR, and the first terminal device determines to be in the LTE system or in the NR according to the first configuration information In the system, the first transmission mode is used for side link communication, where the first terminal device may use the same or different transmission modes for the side link communication in the LTE system and the NR system.
- RAT type indication information may be used to indicate LTE or NR
- the first terminal device determines to be in the LTE system or in the NR according to the first configuration information
- the first transmission mode is used for side link communication, where the first terminal device may use the same or different transmission modes for the side link communication in the LTE system and the NR system.
- the first configuration information may further include QoS attribute information, for example, the QoS attribute information may be used to indicate a QoS level, and different levels may correspond to the same or different transmission modes to facilitate the first terminal The device determines that the transmission mode under a certain QoS level is the first transmission mode.
- the method 200 may further include: the first terminal device sends a first message to the network device.
- the first message may be before the network device sends the first configuration information, so that the network device determines the first transmission mode according to the first message; or, the first message may also be sent by the network device After the first configuration information, the network device re-determines the transmission mode according to the first message, so that the first terminal device updates the current first transmission mode.
- the first terminal device sends a first message to the network device before the network device sends the first configuration information. The first message is used by the network device to determine the first transmission mode.
- the first message sent by the first terminal device to the network device may be carried in, for example, uplink control information, a media access control layer control unit (Media Access Control Element, MAC), or RRC signaling, this application
- uplink control information for example, uplink control information, a media access control layer control unit (Media Access Control Element, MAC), or RRC signaling
- MAC media access control layer control unit
- RRC Radio Resource Control
- the first message may include related information of the first terminal device, for example, the first message may include first information, the first information includes at least one of the following information: the first terminal device performs a side chain The transmission mode adopted by the road communication, the group identifier of the terminal device group where the first terminal device is located, and the group header information of the terminal device group.
- the transmission mode adopted by the first terminal device for side link communication included in the first information refers to the transmission mode adopted when sending the first information.
- the transmission mode indicated in the first information is the transmission mode currently used by the first terminal device, and the transmission mode may be the first transmission mode, It may also be another transmission mode; if the first information is sent after the network device configures the first transmission mode, the transmission mode indicated in the first information is the transmission mode currently used by the first terminal device, that is, the first transmission mode.
- the transmission mode adopted by the first terminal device for side link communication included in the first information is the transmission mode adopted by the first terminal device in the terminal device group.
- the same or different transmission modes can be used. Therefore, the transmission mode adopted by the terminal devices described in the embodiments of the present application for side link communication is that the terminal device is in a terminal device group
- the transmission mode adopted in, for example, the network device may configure the first terminal device with the transmission mode used when performing side link communication in a certain terminal device group.
- the group header information in the first information may be used to indicate a group header in the terminal device group, where the group header is a terminal device in the terminal device group that has resource coordination, control, management, or allocation functions.
- the group head information may include identification information of the group head in the terminal device group; or, if the first terminal device is in the terminal device group Group header, the group header information may be used to indicate that the first terminal device is the group header in the terminal device group, or the group header information may also include identification information of the group header of the terminal device group where the first terminal device is located , The network device determines that the group head is the first terminal device.
- the terminal device group in the embodiment of the present application refers to a unicast link or a multicast link where the first terminal device is located, or if the first terminal device does not belong to any unicast or multicast link, for example, If the first terminal device performs broadcast communication, the terminal device group may include only the first terminal device.
- the terminal device group may include two terminal devices, the two terminal devices form a unicast link, and the two terminal devices perform unicast communication; or, the terminal device group may also include more than two terminal devices The multiple terminal devices form a multicast link and perform multicast communication.
- the embodiments of the present application are not limited thereto.
- the unicast link and the multicast link are both referred to as terminal device groups in the present application, and will not be described in detail later.
- the group identification of the terminal device group is identification information used to identify the terminal device group; when the terminal device group includes two terminal devices , The group identifier of the terminal device group may be identification information used to identify the terminal device group, or the group identifier of the terminal device group may be another one of the terminal device groups except the first terminal device The identification information of the terminal device.
- the network device may receive first information sent by the first terminal device, where the first information is related information of the first terminal device, and the network device may also receive messages sent by other terminal devices, for example, the network The device may also receive the second information sent by the second terminal device.
- the second terminal device may be a terminal device other than the first terminal device.
- the second terminal device may be the same as the first terminal device.
- the second information may include related information of the second terminal device, for example, the second information may include identification information of the second terminal device, and the second terminal device performs side chain
- the transmission mode and first indication information adopted by the road communication wherein the first indication information is used to indicate the cell information or coverage information corresponding to the second terminal device. Therefore, the network device can receive information of one or more terminal devices, and the embodiments of the present application are not limited thereto.
- the network device receives the first message sent by the first terminal device, and the first message may further include related information of one or more other terminal devices, that is, the network device receives related information of other terminal devices through the first terminal device Information, for example, if the first terminal device is a group head in the terminal device group, the first terminal device may send information of other terminal devices in the terminal device group to the network device.
- the first message may include second information
- the second information may include at least one of the following information: identification information of the second terminal device ,
- the transmission mode and the first indication information used by the second terminal device for side-link communication, where the second terminal device is a terminal device other than the first terminal device, for example, the second terminal device may be Any terminal device in the same terminal device group as the first terminal device, the first indication information is used to indicate cell information or coverage information corresponding to the second terminal device.
- the method 200 may further include: the first terminal device receives the second information sent by the second terminal device, so that the first terminal device sends the second information to the network device.
- the second information sent by the second terminal device to the first terminal device may be carried in a side transmission channel, for example, the side transmission channel may be a physical side control channel (Physical Sidelink Control Channel, PSCCH ) Or physical sideways shared channel (Physical Sidelink Control Channel, PSSCH).
- PSCCH Physical Sidelink Control Channel
- PSSCH Physical Sidelink Control Channel
- the foregoing first indication information may be used to indicate cell information or coverage information corresponding to the second terminal device. For example, if the second terminal device is outside the cell coverage, the first indication information is used to indicate that the second terminal device is outside the cell coverage.
- the first indication information includes cell identification information of the cell where the second terminal device is located, so that the network device can determine the cell where the second terminal device is located.
- the first indication information is used to indicate that the second terminal device is outside the coverage of the cell where the first terminal device is located and / or
- the first indication information includes cell identification information of the cell where the second terminal device is located.
- the first indication information may be used to indicate that the second terminal device is located in the first The coverage area of the cell where the terminal equipment is located or indicates that the second terminal equipment is outside the coverage area of the cell.
- the first indication information may be used to indicate that the second terminal device is located within the coverage of the cell where the first terminal device is located Outside the range, or the first indication information may also include cell identification information of the cell where the second terminal device is located, so that the network device determines the cell where the second terminal device is located.
- the first indication information is used to indicate that the second terminal device is located in the cell where the first terminal device is located; or, the first The indication may also include cell identification information of the cell where the second terminal device is located, so that the network device can determine the cell where the second terminal device is located.
- the cell identification information may be one of the following information: cell identification (cell-ID), carrier frequency information where the cell is located, carrier information of the cell, public land mobile network (Public land mobile network, PLMN) information.
- cell identification cell-ID
- carrier frequency information where the cell is located
- carrier information of the cell carrier information of the cell
- public land mobile network Public land mobile network, PLMN
- the network device determines the transmission mode of all or part of the one or more terminal devices according to the received related information of the one or more terminal devices. Specifically, taking the foregoing first terminal device and second terminal device as examples, the network device receives related information of the two terminal devices. For example, the network device may receive the first information and the second information, and according to the first information and The second information may configure the transmission mode for the first terminal device and / or the second terminal device.
- the network device may send first configuration information to the first terminal device, and the first configuration information is used to indicate the first terminal The device adopts the first transmission mode for side link communication; meanwhile, the network device may also send second configuration information to the second terminal device, where the second configuration information is used to indicate that the second terminal device also adopts the first transmission mode Sidelink communication is performed, or the second terminal device may be instructed to use another transmission mode for sidelink communication.
- the network device configures a transmission mode for both the first terminal device and the second terminal device, and the network device may send first configuration information to the first terminal device, where the first configuration information is used to indicate the first terminal device
- the first transmission mode is used for side link communication; at the same time, the network device can also indicate the transmission mode of the second terminal device through the first configuration information, so that the first terminal device can send the second terminal device according to the first configuration information.
- the terminal device sends second configuration information, which is used to indicate the transmission mode allocated by the network device to the second terminal device, for example, it may indicate that the second terminal device also uses the first transmission mode for side link communication, or The second terminal device may also be instructed to use other transmission modes for side link communication.
- a network device may consider various conditions and factors, and try to avoid resource conflicts according to actual applications. For example, taking the network device configuring the transmission mode for the terminal device group where the first terminal device is located as an example, if each terminal device in the terminal device group is located in the same cell, the network device may configure all of the terminal device group The terminal devices all use the above-mentioned mode 1 to obtain the resources of the side link, or may also use the above-mentioned Mode 2c, or other modes.
- the network device can configure the terminal devices in the terminal device group to adopt mode 2b or mode 2d, and the group header is assigned to each group member Transmission resources to avoid transmission interference between users in the group.
- the network device may be configured to acquire the side link resource in mode 2a.
- the network device obtains the relevant information of one or more terminal devices, and configures the transmission mode for the one or more terminal devices based on the information, and can determine the terminal based on the cell information of different terminal devices or the information of the terminal device group where it is located, etc.
- the device adopts a suitable transmission mode for side-link communication to improve resource utilization and data transmission efficiency.
- Embodiment 2 The first terminal device selects the first transmission mode among multiple transmission modes.
- the first terminal device determines the first transmission mode among the multiple transmission modes according to the second message, and uses the first transmission mode to perform side link communication with other terminal devices.
- the second message may include related information of the first terminal device, for example, the second message may include third information, and the third information includes the transmission mode adopted by the first terminal device for side link communication and / or Or the group ID of the terminal device group.
- the first terminal device determines the first transmission mode according to the second message
- the third information in the second message may include the transmission mode currently used by the first terminal device for side link communication.
- the transmission mode included in the third information is the second transmission mode adopted by the first terminal device before determining the first transmission mode
- the first terminal device may determine the first transmission according to the second message
- the second transmission mode is updated to the first transmission mode, where the first transmission mode and the second transmission mode may be the same or different.
- the transmission mode included in the third information is the transmission mode adopted by the first terminal device after determining the first transmission mode, that is, the third information includes the first transmission mode, then the first terminal device
- the transmission mode to be adopted at the next moment may be determined according to the second message, and the currently used first transmission mode may be updated, where the first transmission mode and the updated transmission mode may be the same or different.
- the transmission mode included in the third information is taken as an example before the transmission mode adopted by the first terminal device is determined before determining the first transmission mode.
- the transmission mode currently adopted by the first terminal device for side link communication included in the third information is the transmission mode adopted by the first terminal device in the terminal device group.
- the third information included in the second message is related information of the first terminal device, and the third information may also include other information, for example, the third information may also include the terminal where the first terminal device is located
- the group header information of the device group may be used to indicate a group header in the terminal device group, where the group header is a terminal device in the terminal device group that has resource coordination, control, management, or allocation functions.
- the group head information may include identification information of the group head in the terminal device group; or, if the first terminal device is in the terminal device group Group header, the group header information may be used to indicate that the first terminal device is a group header in the terminal device group.
- the terminal device group in this embodiment may also refer to a unicast link or a multicast link where the first terminal device is located, or include only the first The terminal equipment will not be repeated here.
- the terminal device group where the first terminal device is located if the terminal device group includes only the first terminal device, that is, the first terminal device does not perform unicast or multicast communication with other terminal devices, the terminal The device may determine to obtain the side link resource by using the above mode 1, or, if the first terminal device is still outside the coverage area of the cell, the terminal device may also determine to use the mode 2a to obtain the side link resource
- the embodiments of the present application are not limited to this.
- the first terminal device may also determine the first transmission mode together with related information of other terminal devices.
- the first terminal device may be a group head in the terminal device group, and the group head may determine the transmission mode adopted by the group head according to the relevant information of the group members, or may also determine the transmission mode adopted by other group members.
- the first terminal device is any terminal device in the terminal device group
- the third terminal device is another arbitrary terminal device.
- the first terminal device may be combined with the first terminal device
- the relevant information of the three terminal devices determines the first transmission mode.
- the second message may further include fourth information, and the fourth information includes at least one of the following information: identification information of the third terminal device, a transmission mode adopted by the third terminal device for side link communication, and Second indication information; wherein, the third terminal device is a terminal device other than the first terminal device, for example, the third terminal device may be any other device in the same terminal device group as the first terminal device A terminal device, wherein the first terminal device may be a group head in the terminal device group, and the third terminal device is any group member in the terminal device group.
- the method 200 may further include: the first terminal device receives the fourth information sent by the third terminal device.
- the fourth information may be carried in a side transmission channel, for example, the side transmission channel may be PSCCH or PSSCH.
- the second indication information may be used to indicate cell information or coverage information corresponding to the third terminal device. For example, if the third terminal device is outside the cell coverage, the second indication information is used to indicate that the third terminal device is outside the cell coverage.
- the second indication information includes cell identification information of the cell where the third terminal device is located.
- the second indication information is used to indicate that the third terminal device is outside the coverage area of the cell where the first terminal device is located and / or
- the second indication information includes cell identification information of the cell where the third terminal device is located.
- the first indication information may be used to indicate that the third terminal device is located in the first The terminal device is outside the coverage of the cell or indicates that the third terminal device is outside the cell coverage.
- the first indication information may be used to indicate that the third terminal device is located within the coverage of the cell where the first terminal device is located Outside the range, or the first indication information may also include cell identification information of the cell where the third terminal device is located, so that the first terminal device determines the cell where the third terminal device is located.
- the second indication information is used to indicate that the third terminal device is located in the cell where the first terminal device is located; or, the first The indication may also include cell identification information of the cell where the third terminal device is located, so that the first terminal device determines the cell where the third terminal device is located.
- the first terminal device may consider various conditions and factors to determine the first transmission mode in combination with information of multiple terminal devices, and try to avoid resource conflicts according to actual applications, and the first terminal device determines to use the first transmission
- the transmission mode can also be configured for other terminal devices. For example, if the first terminal device is a group head in the terminal device group where the terminal device is located, the first terminal device can also configure the transmission mode of other terminal devices.
- the first terminal device may configure all terminal devices in the terminal device group to obtain the side row in the mode 1 described above
- the resources of the link may alternatively use the above-mentioned Mode 2c or other modes.
- the terminal devices in the terminal device group are located in different cells, if the terminal devices in the terminal device group are still configured to use the mode 1 method to obtain resources, since there is no resource coordination between the cells, each group member corresponds to The network device may cause transmission resource conflicts when allocating transmission resources to the members of the group. Therefore, the first terminal device may configure the terminal devices in the terminal device group to adopt mode 2b or mode 2d, with the group head for each group Members allocate transmission resources to avoid transmission interference between users in the group.
- the method 200 may further include: the first terminal device sends third configuration information to the third terminal device, and the third configuration information is used to Instruct the third terminal device to adopt a transmission mode for side link communication.
- the first terminal device may configure the third terminal device to also adopt the first transmission mode, and the third configuration information is used to instruct the third terminal device to adopt the first transmission mode for side link communication; or, The first terminal device may also configure another transmission mode for the third terminal device, and the embodiments of the present application are not limited thereto.
- Embodiment 3 The first terminal device is configured to adopt the first transmission mode by other terminal devices.
- the first terminal device is any terminal device, and the first terminal device can also receive the transmission mode sent by other terminal devices.
- the first terminal device receives the first Fourth configuration information sent by four terminal devices, the fourth configuration information is used to indicate the first transmission mode, and the first transmission mode may be configured by the network device for the first terminal device, and sent by the fourth terminal device Informs the first terminal device of the fourth configuration information; or, the first transmission mode is configured by the fourth terminal device for the first terminal device, and notifies the first terminal device through the fourth configuration information.
- the first terminal device determines the first transmission mode among the multiple transmission modes according to the fourth configuration information, and uses the first transmission mode to perform side link communication with other terminal devices.
- the first terminal device may be any terminal device in the terminal device group where it is located, for example, the first terminal device may be a terminal device other than the group head in the terminal device group where it is located , That is, a group member in the terminal device group, where the group head is a terminal device in the terminal device group that has resource coordination, management, control, or allocation functions.
- the fourth terminal device is another arbitrary terminal device in the terminal device.
- the fourth terminal device may be a group head in the terminal device group, or may be a group member in the terminal device group.
- the method 200 may further include: the first terminal device sends fifth information to the network device, or sends the fifth information to the fourth terminal device, and the fourth terminal device sends the fifth information to the network device Information, so that the network device determines that the first terminal device uses the first transmission mode according to the fifth information.
- the first terminal device sends fifth information to the fourth terminal device, so that the fourth terminal device determines that the first terminal device adopts the first transmission mode according to the fifth information.
- the first terminal device may also send the fifth information to the network device or the fourth terminal device after determining the first transmission mode according to the fourth configuration information, and the fifth information is used for the network device or the fourth terminal device to determine The transmission mode adopted by the first terminal device at the next moment.
- the fifth information sent by the first terminal device to the network device may be carried in, for example, uplink control information, MAC CE or RRC signaling, and the embodiments of the present application are not limited thereto.
- the fifth information sent by the first terminal device to the fourth terminal device may be carried in a side transmission channel, for example, the side transmission channel may be PSCCH or PSSCH.
- the fifth information is related information of the first terminal device, and the fifth information may include at least one of the following information: a transmission mode adopted by the first terminal device for side link communication, and the terminal device group Group ID and third instruction information.
- the transmission mode adopted by the first terminal device for side link communication included in the fifth information refers to the transmission mode adopted when sending the fifth information.
- the transmission mode indicated in the fifth information is the transmission mode currently used by the first terminal device, and the transmission mode may be the first transmission
- the mode may also be other transmission modes; if the fifth information is sent after the first terminal device receives the fourth configuration information, the transmission mode indicated in the fifth information is the transmission mode currently used by the first terminal device, and This is the first transmission mode.
- the transmission mode adopted by the first terminal device for side link communication included in the fifth information is the transmission mode adopted by the first terminal device in the terminal device group.
- the group header information in the fifth information may be used to indicate the group header in the terminal device group, where the group header is a terminal device in the terminal device group that has a resource coordination or allocation function.
- the group head information may include identification information of the group head in the terminal device group; or, if the first terminal device is in the terminal device group Group header, the group header information may be used to indicate that the first terminal device is the group header in the terminal device group, or the group header information may also include identification information of the group header of the terminal device group where the first terminal device is located , The network device or the fourth terminal device determines that the group head is the first terminal device.
- the terminal device group in this embodiment refers to a unicast link or a multicast link where the first terminal device is located, or if the first terminal device does not belong to any single device
- the terminal device group may also include only the first terminal device, and details are not described herein again.
- the third indication information in the fifth information is used to indicate cell information or coverage information corresponding to the first terminal device. For example, if the first terminal device is outside the cell coverage, the third indication information is used to indicate that the first terminal device is outside the cell coverage.
- the third indication information includes cell identification information of the cell where the first terminal device is located.
- the third indication information is used to indicate that the first terminal device is outside the coverage area of the cell where the fourth terminal device is located and / or
- the third indication information includes cell identification information of the cell where the first terminal device is located.
- the third indication information is used to indicate that the first terminal device is located in the cell where the fourth terminal device is located.
- the first terminal device receives the fourth configuration information sent by the fourth terminal device, where the fourth configuration information is used to instruct the first terminal device to adopt the first transmission mode for side link transmission, and the first transmission mode may be It is configured by the network device or the fourth terminal device.
- the fourth configuration information is used to instruct the first terminal device to adopt the first transmission mode for side link transmission
- the first transmission mode may be It is configured by the network device or the fourth terminal device.
- the method for determining the transmission mode in the side link adopts the transmission mode when configuring one or more terminal devices for side link through the network device or terminal device, especially for unicast or multicast communication
- Multiple terminal devices in can configure appropriate transmission modes according to actual applications, thereby avoiding resource conflicts and improving resource utilization and data transmission efficiency.
- FIG. 4 shows a schematic flowchart of a method 300 for determining a transmission mode in a side link according to an embodiment of the present application.
- the method 300 may be executed by a network device.
- the network device may be the network device in FIG. 1 or 2. As shown in FIG. 1 or 2.
- the method 300 includes: S310, receiving a first message sent by a first terminal device, where the first message includes first information, and the first information includes at least one of the following information: the first terminal device The transmission mode used for side link communication, the group identifier of the terminal device group where the first terminal device is located, and the group header information of the terminal device group, where the group header information is used to indicate the group in the terminal device group Header, the group header is a terminal device with resource coordination or allocation function in the terminal device group; S320, according to the first message, determine a first transmission mode among a plurality of transmission modes; S33, send to the first terminal device The first configuration information is used to instruct the first terminal device to use the first transmission mode to perform side link communication with other terminal devices.
- the group head information further includes identification information of the group head in the terminal device group; or, if the first terminal device Is the group head in the terminal device group, and the group head information is used to indicate that the first terminal device is the group head in the terminal device group.
- the sending the first configuration information to the first terminal device includes: sending the first configuration information to a second terminal device, where the second terminal device is used to send to the first terminal device In the first configuration information, the second terminal device is a group head in the terminal device group.
- the first message further includes second information
- the second information includes at least one of the following information: identification information of the third terminal device, and the third terminal device performs side link communication
- the adopted transmission mode and first indication information wherein the third terminal device is a terminal device other than the first terminal device in the terminal device group, and the first indication information is used to indicate a cell of the third terminal device.
- the first terminal device is a group head in the terminal device group.
- the first indication information is used to indicate that the third terminal device is located outside the cell coverage; or, if the third terminal device is located in the cell Within the coverage area, the first indication information includes cell identification information of the cell where the third terminal device is located; or, if the third terminal device is outside the coverage area of the cell where the first terminal device is located, the first indication information is used to Indicating that the third terminal device is outside the coverage of the cell where the first terminal device is located and / or the second indication information includes cell identification information of the cell where the third terminal device is located; or, if the third terminal device is located in the third Within the coverage area of a cell where a terminal device is located, the first indication information is used to indicate that the third terminal device is located in the cell where the first terminal device is located.
- the method 300 further includes: sending second configuration information to the third terminal device, where the second configuration information is used to instruct the third terminal device to adopt the first transmission mode for side chain ⁇ ⁇ Road communication.
- the first message is carried in uplink control information, MAC CE or RRC signaling.
- the first configuration information further includes at least one of the following information: group identification information of the terminal device group where the first terminal is located, type information of multicast communication or broadcast communication, and RAT category Indication information and QoS attribute information.
- the first configuration information is carried in broadcast information, RRC signaling, or downlink control information.
- a network device may configure one or more terminal devices to perform a transmission mode when performing a side link, especially for unicast or multicast communication.
- Each terminal device and network device can configure an appropriate transmission mode according to actual applications, thereby avoiding resource conflicts and improving resource utilization and data transmission efficiency.
- the terminal device 400 includes: a processing unit 410 and a transceiver unit 420.
- the processing unit 410 is used to: determine a first transmission mode among multiple transmission modes; the transceiver unit 420 is used to: adopt the first transmission mode to perform side link communication with other terminal devices.
- the transceiver unit 420 is further configured to: receive first configuration information sent by a network device, where the first configuration information is used to indicate the first transmission mode; and the processing unit 410 is further configured to: The first configuration information determines the first transmission mode among the multiple transmission modes.
- the transceiving unit 420 is further configured to: send a first message to the network device, the first message includes first information, and the first information includes at least one of the following information: the terminal device The transmission mode used for side link communication, the group identifier of the terminal device group where the terminal device is located, and the group header information of the terminal device group, where the group header information is used to indicate the group header in the terminal device group,
- the group head is a terminal device with resource coordination or allocation function in the terminal device group.
- the group head information includes identification information of the group head in the terminal device group; or, if the terminal device is the terminal device group The group header in the group header information is used to indicate that the terminal device is the group header in the terminal device group.
- the first message further includes second information
- the second information includes at least one of the following information: identification information of the second terminal device, and the second terminal device performs side link communication
- the adopted transmission mode and first indication information wherein the second terminal device is a terminal device other than the terminal device in the terminal device group, and the first indication information is used to indicate the cell information corresponding to the second terminal device or Coverage information.
- the first indication information is used to indicate that the second terminal device is located outside the cell coverage; or, if the second terminal device is located in the cell Within the coverage area, the first indication information includes cell identification information of the cell where the second terminal device is located; or, if the second terminal device is outside the coverage area of the cell where the terminal device is located, the first indication information is used to indicate the The second terminal device is located outside the coverage of the cell where the terminal device is located and / or the first indication information includes cell identification information of the cell where the second terminal device is located; or, if the second terminal device is located in the cell where the terminal device is located Within the coverage area, the first indication information is used to indicate that the second terminal device is located in the cell where the terminal device is located.
- the transceiver unit 420 is further configured to: receive the second information sent by the second terminal device.
- the second information is carried in a side transmission channel
- the side transmission channel is a physical side control channel PSCCH or a physical side shared channel PSSCH.
- the transceiver unit 420 is further configured to: send second configuration information to the second terminal device, where the second configuration information is used to instruct the second terminal device to adopt the first transmission mode Line link communication.
- the first message is carried in uplink control information, MAC CE or RRC signaling.
- the first configuration information further includes at least one of the following information: group identification information of the terminal device group where the first terminal is located, type information of multicast communication or broadcast communication, and RAT category Indication information and QoS attribute information.
- the first configuration information is carried in broadcast information, RRC signaling, or downlink control information.
- the processing unit 410 is further configured to: according to the second message, determine the first transmission mode among the multiple transmission modes, the second message includes third information, and the third information includes The transmission mode adopted by the terminal device for side link communication and / or the group identifier of the terminal device group.
- the second message further includes fourth information, and the fourth information includes at least one of the following information: identification information of the third terminal device, and the third terminal device performs side link communication The adopted transmission mode and second indication information; wherein, the third terminal device is a terminal device other than the terminal device in the terminal device group, and the second indication information is used to indicate the cell information corresponding to the third terminal device or Coverage information.
- the second indication information is used to indicate that the third terminal device is located outside the cell coverage; or, if the third terminal device is located in the cell Within the coverage area, the second indication information includes cell identification information of the cell where the third terminal device is located; or, if the third terminal device is outside the coverage area of the cell where the terminal device is located, the second indication information is used to indicate the The third terminal device is located outside the coverage of the cell where the terminal device is located and / or the second indication information includes cell identification information of the cell where the third terminal device is located; or, if the third terminal device is located in the cell where the terminal device is located Within the coverage area, the second indication information is used to indicate that the third terminal device is located in the cell where the terminal device is located.
- the transceiver unit 420 is further configured to: receive the fourth information sent by the third terminal device.
- the fourth information is carried in a side transmission channel, and the side transmission channel is PSCCH or PSSCH.
- the transceiver unit 420 is further configured to: send third configuration information to the third terminal device, where the third configuration information is used to instruct the third terminal device to adopt the first transmission mode Line link communication.
- the transceiver unit 420 is further configured to: receive fourth configuration information sent by a fourth terminal device, where the fourth configuration information is used to indicate the first transmission mode; and the processing unit 410 is also used to : According to the fourth configuration information, determine the first transmission mode among the multiple transmission modes.
- the terminal device is a terminal device other than the group head in the terminal device group where the terminal device is located, the group head is a terminal device in the terminal device group with resource coordination or allocation function, and the fourth terminal device It is the group head in the terminal device group.
- the transceiver unit 420 is further configured to: send fifth information to the network device or the fourth terminal device, where the fifth information includes at least one of the following information: the terminal device performs a sidewalk The transmission mode adopted by the link communication, the group identifier of the terminal device group, and third indication information, where the third indication information is used to indicate cell information or coverage information corresponding to the terminal device.
- the third indication information is used to indicate that the terminal device is outside the cell coverage; or, if the terminal device is within the cell coverage, the third The three indication information includes cell identification information of the cell where the terminal device is located; or, if the terminal device is outside the coverage of the cell where the fourth terminal device is located, the third indication information is used to indicate that the terminal device is located in the fourth terminal device Outside the coverage of the cell where the third indication information includes cell identification information of the cell where the terminal device is located; or, if the terminal device is within the coverage area of the cell where the fourth terminal device is located, the third indication information is used To indicate that the terminal device is located in the cell where the fourth terminal device is located.
- terminal device 400 may correspond to performing the method 200 in the embodiment of the present application, and the above and other operations and / or functions of each unit in the terminal device 400 are respectively for realizing FIGS. 1 to 4 The corresponding process of the terminal device in each method in the method will not be repeated here for brevity.
- the terminal device can be configured by the network device or other terminal device to configure the transmission mode used when performing the side link.
- the actual Application configure the appropriate transmission mode to avoid resource conflicts and improve resource utilization and data transmission efficiency.
- the network device 500 includes: a processing unit 510 and a transceiver unit 520.
- the transceiver unit 520 is configured to: receive a first message sent by a first terminal device, and the first message Including first information, the first information including at least one of the following information: a transmission mode adopted by the first terminal device for side link communication, a group identifier of a terminal device group where the first terminal device is located, and the terminal device Group header information of the group, where the group header information is used to indicate the group header in the terminal device group, and the group header is a terminal device in the terminal device group that has resource coordination or allocation functions; the processing unit 510 is used to: According to the first message, the first transmission mode is determined among multiple transmission modes; the transceiving unit 520 is configured to send first configuration information to the first terminal device, and the first configuration information is used to indicate the first terminal device The first transmission mode is used for side link communication with other terminal devices.
- the group head information also includes identification information of the group head in the terminal device group; or, if the first terminal device Is the group head in the terminal device group, and the group head information is used to indicate that the first terminal device is the group head in the terminal device group.
- the transceiver unit 520 is further configured to send the first configuration information to a second terminal device, and the second terminal device is used to send the first configuration information to the first terminal device.
- the second terminal device is a group head in the terminal device group.
- the first message further includes second information
- the second information includes at least one of the following information: identification information of the third terminal device, and the third terminal device performs side link communication
- the adopted transmission mode and first indication information wherein the third terminal device is a terminal device other than the first terminal device in the terminal device group, and the first indication information is used to indicate a cell of the third terminal device.
- the first terminal device is a group head in the terminal device group.
- the first indication information is used to indicate that the third terminal device is located outside the cell coverage; or, if the third terminal device is located in the cell Within the coverage area, the first indication information includes cell identification information of the cell where the third terminal device is located; or, if the third terminal device is outside the coverage area of the cell where the first terminal device is located, the first indication information is used to Indicating that the third terminal device is outside the coverage of the cell where the first terminal device is located and / or the second indication information includes cell identification information of the cell where the third terminal device is located; or, if the third terminal device is located in the third Within the coverage area of a cell where a terminal device is located, the first indication information is used to indicate that the third terminal device is located in the cell where the first terminal device is located.
- the transceiver unit 520 is further configured to: send second configuration information to the third terminal device, where the second configuration information is used to instruct the third terminal device to adopt the first transmission mode Line link communication.
- the first message is carried in uplink control information, MAC CE or RRC signaling.
- the first configuration information further includes at least one of the following information: group identification information of the terminal device group where the first terminal is located, type information of multicast communication or broadcast communication, and RAT category Indication information and QoS attribute information.
- the first configuration information is carried in broadcast information, RRC signaling, or downlink control information.
- the network device 500 may correspond to performing the method 300 in the embodiment of the present application, and the above-mentioned and other operations and / or functions of each unit in the network device 500 are respectively for realizing FIGS. 1 to 4
- the corresponding process of the network device in each method in FIG. 2 will not be repeated here for brevity.
- the network device may configure one or more terminal devices with a transmission mode used when performing a side link.
- the network device may Application, configure the appropriate transmission mode to avoid resource conflicts and improve resource utilization and data transmission efficiency.
- FIG. 7 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
- the communication device 600 shown in FIG. 7 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiments of the present application.
- the communication device 600 may further include a memory 620.
- the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
- the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
- the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
- the transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include antennas, and the number of antennas may be one or more.
- the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
- the communication device 600 may specifically be a mobile terminal / terminal device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiment of the present application, for simplicity , Will not repeat them here.
- FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in FIG. 8 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the chip 700 may further include a memory 720.
- the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiments of the present application.
- the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
- the chip 700 may further include an input interface 730.
- the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
- the chip 700 may further include an output interface 740.
- the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
- the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application. No longer.
- chips mentioned in the embodiments of the present application may also be referred to as system-on-chips, system chips, chip systems, or system-on-chip chips.
- FIG. 9 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown in FIG. 9, the communication system 800 includes a terminal device 810 and a network device 820.
- the terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the above method
- the network device 820 can be used to implement the corresponding functions implemented by the network device in the above method.
- the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
- each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
- the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
- the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and registers.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erasable programmable read only memory (Electrically, EPROM, EEPROM) or flash memory.
- the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- enhanced SDRAM ESDRAM
- Synchlink DRAM SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous) DRAM (SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
- Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
- the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
- the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
- An embodiment of the present application also provides a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
- the computer program product may be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
- An embodiment of the present application also provides a computer program.
- the computer program can be applied to the network device in the embodiments of the present application.
- the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. , Will not repeat them here.
- the computer program can be applied to the mobile terminal / terminal device in the embodiments of the present application.
- the computer program runs on the computer, the computer is implemented by the mobile terminal / terminal device in performing various methods of the embodiments of the present application For the sake of brevity, I will not repeat them here.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the units is only a division of logical functions.
- there may be other divisions for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .
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Abstract
Description
Claims (74)
- 一种侧行链路中确定传输模式的方法,其特征在于,包括:第一终端设备在多种传输模式中确定第一传输模式;所述第一终端设备采用所述第一传输模式,与其它终端设备进行侧行链路通信。
- 根据权利要求1所述的方法,其特征在于,所述第一终端设备在多种传输模式中确定第一传输模式,包括:所述第一终端设备接收网络设备发送的第一配置信息,所述第一配置信息用于指示所述第一传输模式;所述第一终端设备根据所述第一配置信息,在所述多种传输模式中确定所述第一传输模式。
- 根据权利要求2所述的方法,其特征在于,所述方法还包括:所述第一终端设备向所述网络设备发送第一消息,所述第一消息包括第一信息,所述第一信息包括以下信息中的至少一个:所述第一终端设备进行侧行链路通信采用的传输模式、所述第一终端设备所在的终端设备组的组标识以及所述终端设备组的组头信息,其中,所述组头信息用于指示所述终端设备组中的组头,所述组头为所述终端设备组中具有资源协调或分配功能的终端设备。
- 根据权利要求3所述的方法,其特征在于,若所述第一终端设备不是所述终端设备组中的组头,所述组头信息包括所述终端设备组中组头的标识信息;或若所述第一终端设备是所述终端设备组中的组头,所述组头信息用于指示所述第一终端设备为所述终端设备组中的组头。
- 根据权利要求3或4所述的方法,其特征在于,所述第一消息还包括第二信息,所述第二信息包括以下信息中的至少一个:第二终端设备的标识信息、所述第二终端设备进行侧行链路通信采用的传输模式以及第一指示信息,其中,所述第二终端设备为所述终端设备组中除所述第一终端设备外的终端设备,所述第一指示信息用于指示所述第二终端设备对应的小区信息或覆盖信息。
- 根据权利要求5所述的方法,其特征在于,若所述第二终端设备位于小区覆盖范围外,所述第一指示信息用于指示所述第二终端设备位于小区覆盖范围外;或若所述第二终端设备位于小区覆盖范围内,所述第一指示信息包括所述第二终端设备所在小区的小区标识信息;或若所述第二终端设备位于所述第一终端设备所在小区的覆盖范围外,所述第一指示信息用于指示所述第二终端设备位于所述第一终端设备所在小区的覆盖范围外和/或所述第一指示信息包括所述第二终端设备所在小区的小区标识信息;或若所述第二终端设备位于所述第一终端设备所在小区的覆盖范围内,所述第一指示信息用于指示所述第二终端设备位于所述第一终端设备所在的小区。
- 根据权利要求5或6所述的方法,其特征在于,所述方法还包括:所述第一终端设备接收所述第二终端设备发送的所述第二信息。
- 根据权利要求7所述的方法,其特征在于,所述第二信息承载在侧行传输信道中,所述侧行传输信道为物理侧行控制信道PSCCH或物理侧行共享信道PSSCH。
- 根据权利要求2至8中任一项所述的方法,其特征在于,所述方法还包括:所述第一终端设备向所述第二终端设备发送第二配置信息,所述第二配置信息用于指示所述第二终端设备采用所述第一传输模式进行侧行链路通信。
- 根据权利要求3至9中任一项所述的方法,其特征在于,所述第一消息承载在上行控制信息、介质访问控制层的控制单元MAC CE或无线资源控制RRC信令中。
- 根据权利要求2至10中任一项所述的方法,其特征在于,所述第一配置信息还包括以下信息中的至少一种:所述第一终端所在的终端设备组的组标识信息、组播通信或广播通信的类型信息、无线接入技术RAT类别指示信息以及服务质量QoS属性信息。
- 根据权利要求2至11中任一项所述的方法,其特征在于,所述第一配置信息承载在广播信息、RRC信令或下行控制信息中。
- 根据权利要求1所述的方法,其特征在于,所述第一终端设备在多种传输模式中确定第一传输模式,包括:所述第一终端设备根据第二消息,在所述多个传输模式中确定所述第一传输模式,所述第二消息包括第三信息,所述第三信息包括所述第一终端设备进行侧行链路通信采用的传输模式和/或所述终端设备组的组标识。
- 根据权利要求13所述的方法,其特征在于,所述第二消息还包括第四信息,所述第四信息包括以下信息中的至少一个:第三终端设备的标识信息、所述第三终端设备进行侧行链路通信采用的传输模式以及第二指示信息;其中,所述第三终端设备为所述终端设备组中除所述第一终端设备外的终端设备,所述第二指示信息用于指示所述第三终端设备对应的小区信息或覆盖信息。
- 根据权利要求14所述的方法,其特征在于,若所述第三终端设备位于小区覆盖范围外,所述第二指示信息用于指示所述第三终端设备位于小区覆盖范围外;或若所述第三终端设备位于小区覆盖范围内,所述第二指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述第一终端设备所在小区的覆盖范围外,所述第二指示信息用于指示所述第三终端设备位于所述第一终端设备所在小区的覆盖范围外和/或所述第二指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述第一终端设备所在小区的覆盖范围内,所述第二指示信息用于指示所述第三终端设备位于所述第一终端设备所在的小区。
- 根据权利要求14或15所述的方法,其特征在于,所述方法还包括:所述第一终端设备接收所述第三终端设备发送的所述第四信息。
- 根据权利要求15所述的方法,其特征在于,所述第四信息承载在侧行传输信道中,所述侧行传输信道为PSCCH或PSSCH。
- 根据权利要求14至15中任一项所述的方法,其特征在于,所述方法还包括:所述第一终端设备向所述第三终端设备发送第三配置信息,所述第三配置信息用于指示所述第三终端设备采用所述第一传输模式进行侧行链路通信。
- 根据权利要求1所述的方法,其特征在于,所述第一终端设备在多种传输模式中确定第一传输模式,包括:所述第一终端设备接收第四终端设备发送的第四配置信息,所述第四配置信息用于指示所述第一传输模式;所述第一终端设备根据所述第四配置信息,在所述多种传输模式中确定所述第一传输模式。
- 根据权利要求19所述的方法,其特征在于,所述第一终端设备为所在终端设备组中除组头以外的终端设备,所述组头为所述终端设备组中具有资源协调或分配功能的终端设备,所述第四终端设备为所述终端设备组中的组头。
- 根据权利要求19或20所述的方法,其特征在于,所述方法还包括:所述第一终端设备向所述网络设备或所述第四终端设备发送第五信息,所述第五信息包括以下信息中的至少一个:所述第一终端设备进行侧行链路通信采用的传输模式、所述终端设备组的组标识以及第三指示信息,所述第三指示信息用于指示所述第一终端设备对应的小区信息或覆盖信息。
- 根据权利要求21所述的方法,其特征在于,若所述第一终端设备位于小区覆盖范围外,所述第三指示信息用于指示所述第一终端设备位于小区覆盖范围外;或若所述第一终端设备位于小区覆盖范围内,所述第三指示信息包括所述第一终端设备所在小区的小区标识信息;或若所述第一终端设备位于所述第四终端设备所在小区的覆盖范围外,所述第三指示信息用于指示所述第一终端设备位于所述第四终端设备所在小区的覆盖范围外和/或所述第三指示信息包括所述第一终端设备所在小区的小区标识信息;或若所述第一终端设备位于所述第四终端设备所在小区的覆盖范围内,所述第三指示信息用于指示所述第一终端设备位于所述第四终端设备所在的小区。
- 一种侧行链路中确定传输模式的方法,其特征在于,包括:接收第一终端设备发送的第一消息,所述第一消息包括第一信息,所述第一信息包括以下信息中的至少一个:所述第一终端设备进行侧行链路通信采用的传输模式、所述第一终端设备所在的终端设备组的组标识以及所述终端设备组的组头信息,其中,所述组头信息用于指示所述终端设备组中的组头,所述组头 为所述终端设备组中具有资源协调或分配功能的终端设备;根据所述第一消息,在多个传输模式中确定第一传输模式;向所述第一终端设备发送第一配置信息,所述第一配置信息用于指示所述第一终端设备采用所述第一传输模式与其它终端设备进行侧行链路通信。
- 根据权利要求23所述的方法,其特征在于,若所述第一终端设备不是所述终端设备组中的组头,所述组头信息还包括所述终端设备组中组头的标识信息;或若所述第一终端设备是所述终端设备组中的组头,所述组头信息用于指示所述第一终端设备为所述终端设备组中的组头。
- 根据权利要求23或23所述的方法,其特征在于,所述向所述第一终端设备发送第一配置信息,包括:向第二终端设备发送所述第一配置信息,所述第二终端设备用于向所述第一终端设备发送所述第一配置信息,所述第二终端设备为所述终端设备组中的组头。
- 根据权利要求23或24所述的方法,其特征在于,所述第一消息还包括第二信息,所述第二信息包括以下信息中的至少一个:第三终端设备的标识信息、所述第三终端设备进行侧行链路通信采用的传输模式以及第一指示信息,其中,所述第三终端设备为所述终端设备组中除所述第一终端设备外的终端设备,所述第一指示信息用于指示所述第三终端设备的小区。
- 根据权利要求25所述的方法,其特征在于,所述第一终端设备为所述终端设备组中的组头。
- 根据权利要求25或27所述的方法,其特征在于,若所述第三终端设备位于小区覆盖范围外,所述第一指示信息用于指示所述第三终端设备位于小区覆盖范围外;或若所述第三终端设备位于小区覆盖范围内,所述第一指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述第一终端设备所在小区的覆盖范围外,所述第一指示信息用于指示所述第三终端设备位于所述第一终端设备所在小区的覆盖范围外和/或所述第二指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述第一终端设备所在小区的覆盖范围内,所述第一指示信息用于指示所述第三终端设备位于所述第一终端设备所在的小区。
- 根据权利要求26至28中任一项所述的方法,其特征在于,所述方法还包括:向所述第三终端设备发送第二配置信息,所述第二配置信息用于指示所述第三终端设备采用所述第一传输模式进行侧行链路通信。
- 根据权利要求23至29中任一项所述的方法,其特征在于,所述第一消息承载在上行控制信息、介质访问控制层的控制单元MAC CE或无线资源控制RRC信令中。
- 根据权利要求23至30中任一项所述的方法,其特征在于,所述第一配置信息还包括以下信息中的至少一种:所述第一终端所在的终端设备组的组标识信息、组播通信或广播通信的类型信息、无线接入技术RAT类别指示信息以及服务质量QoS属性信息。
- 根据权利要求23至31中任一项所述的方法,其特征在于,所述第一配置信息承载在广播信息、RRC信令或下行控制信息中。
- 一种终端设备,其特征在于,包括:处理单元,用于在多种传输模式中确定第一传输模式;收发单元,用于采用所述第一传输模式,与其它终端设备进行侧行链路通信。
- 根据权利要求33所述的终端设备,其特征在于,所述收发单元还用于:接收网络设备发送的第一配置信息,所述第一配置信息用于指示所述第一传输模式;所述处理单元还用于:根据所述第一配置信息,在所述多种传输模式中确定所述第一传输模式。
- 根据权利要求34所述的终端设备,其特征在于,所述收发单元还用于:向所述网络设备发送第一消息,所述第一消息包括第一信息,所述第一信息包括以下信息中的至少一个:所述终端设备进行侧行链路通信采用的传输模式、所述终端设备所在的终端设备组的组标识以及所述终端设备组的组头信息,其中,所述组头信息用于指示所述终端设备组中的组头,所述组头为所述终端设备组中具有资源协调 或分配功能的终端设备。
- 根据权利要求35所述的终端设备,其特征在于,若所述终端设备不是所述终端设备组中的组头,所述组头信息包括所述终端设备组中组头的标识信息;或若所述终端设备是所述终端设备组中的组头,所述组头信息用于指示所述终端设备为所述终端设备组中的组头。
- 根据权利要求35或36所述的终端设备,其特征在于,所述第一消息还包括第二信息,所述第二信息包括以下信息中的至少一个:第二终端设备的标识信息、所述第二终端设备进行侧行链路通信采用的传输模式以及第一指示信息,其中,所述第二终端设备为所述终端设备组中除所述终端设备外的终端设备,所述第一指示信息用于指示所述第二终端设备对应的小区信息或覆盖信息。
- 根据权利要求37所述的终端设备,其特征在于,若所述第二终端设备位于小区覆盖范围外,所述第一指示信息用于指示所述第二终端设备位于小区覆盖范围外;或若所述第二终端设备位于小区覆盖范围内,所述第一指示信息包括所述第二终端设备所在小区的小区标识信息;或若所述第二终端设备位于所述终端设备所在小区的覆盖范围外,所述第一指示信息用于指示所述第二终端设备位于所述终端设备所在小区的覆盖范围外和/或所述第一指示信息包括所述第二终端设备所在小区的小区标识信息;或若所述第二终端设备位于所述终端设备所在小区的覆盖范围内,所述第一指示信息用于指示所述第二终端设备位于所述终端设备所在的小区。
- 根据权利要求37或38所述的终端设备,其特征在于,所述收发单元还用于:接收所述第二终端设备发送的所述第二信息。
- 根据权利要求39所述的终端设备,其特征在于,所述第二信息承载在侧行传输信道中,所述侧行传输信道为物理侧行控制信道PSCCH或物理侧行共享信道PSSCH。
- 根据权利要求34至40中任一项所述的终端设备,其特征在于,所述收发单元还用于:向所述第二终端设备发送第二配置信息,所述第二配置信息用于指示所述第二终端设备采用所述第一传输模式进行侧行链路通信。
- 根据权利要求35至41中任一项所述的终端设备,其特征在于,所述第一消息承载在上行控制信息、介质访问控制层的控制单元MAC CE或无线资源控制RRC信令中。
- 根据权利要求34至42中任一项所述的终端设备,其特征在于,所述第一配置信息还包括以下信息中的至少一种:所述第一终端所在的终端设备组的组标识信息、组播通信或广播通信的类型信息、无线接入技术RAT类别指示信息以及服务质量QoS属性信息。
- 根据权利要求34至43中任一项所述的终端设备,其特征在于,所述第一配置信息承载在广播信息、RRC信令或下行控制信息中。
- 根据权利要求33所述的终端设备,其特征在于,所述处理单元还用于:根据第二消息,在所述多个传输模式中确定所述第一传输模式,所述第二消息包括第三信息,所述第三信息包括所述终端设备进行侧行链路通信采用的传输模式和/或所述终端设备组的组标识。
- 根据权利要求45所述的终端设备,其特征在于,所述第二消息还包括第四信息,所述第四信息包括以下信息中的至少一个:第三终端设备的标识信息、所述第三终端设备进行侧行链路通信采用的传输模式以及第二指示信息;其中,所述第三终端设备为所述终端设备组中除所述终端设备外的终端设备,所述第二指示信息用于指示所述第三终端设备对应的小区信息或覆盖信息。
- 根据权利要求46所述的终端设备,其特征在于,若所述第三终端设备位于小区覆盖范围外,所述第二指示信息用于指示所述第三终端设备位于小区覆盖范围外;或若所述第三终端设备位于小区覆盖范围内,所述第二指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述终端设备所在小区的覆盖范围外,所述第二指示信息用于指示所述第三终端设备位于所述终端设备所在小区的覆盖范围外和/或所述第二指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述终端设备所在小区的覆盖范围内,所述第二指示信息用于指示所述第三终端设备位于所述终端设备所在的小区。
- 根据权利要求46或47所述的终端设备,其特征在于,所述收发单元还用于:接收所述第三终端设备发送的所述第四信息。
- 根据权利要求47所述的终端设备,其特征在于,所述第四信息承载在侧行传输信道中,所述侧行传输信道为PSCCH或PSSCH。
- 根据权利要求46至49中任一项所述的终端设备,其特征在于,所述收发单元还用于:向所述第三终端设备发送第三配置信息,所述第三配置信息用于指示所述第三终端设备采用所述第一传输模式进行侧行链路通信。
- 根据权利要求33所述的终端设备,其特征在于,所述收发单元还用于:接收第四终端设备发送的第四配置信息,所述第四配置信息用于指示所述第一传输模式;所述处理单元还用于:根据所述第四配置信息,在所述多种传输模式中确定所述第一传输模式。
- 根据权利要求51所述的终端设备,其特征在于,所述终端设备为所在终端设备组中除组头以外的终端设备,所述组头为所述终端设备组中具有资源协调或分配功能的终端设备,所述第四终端设备为所述终端设备组中的组头。
- 根据权利要求51或52所述的终端设备,其特征在于,所述收发单元还用于:向所述网络设备或所述第四终端设备发送第五信息,所述第五信息包括以下信息中的至少一个:所述终端设备进行侧行链路通信采用的传输模式、所述终端设备组的组标识以及第三指示信息,所述第三指示信息用于指示所述终端设备对应的小区信息或覆盖信息。
- 根据权利要求53所述的终端设备,其特征在于,若所述终端设备位于小区覆盖范围外,所述第三指示信息用于指示所述终端设备位于小区覆盖范围外;或若所述终端设备位于小区覆盖范围内,所述第三指示信息包括所述终端设备所在小区的小区标识信息;或若所述终端设备位于所述第四终端设备所在小区的覆盖范围外,所述第三指示信息用于指示所述终端设备位于所述第四终端设备所在小区的覆盖范围外和/或所述第三指示信息包括所述终端设备所在小区的小区标识信息;或若所述终端设备位于所述第四终端设备所在小区的覆盖范围内,所述第三指示信息用于指示所述终端设备位于所述第四终端设备所在的小区。
- 一种网络设备,其特征在于,包括:收发单元,用于接收第一终端设备发送的第一消息,所述第一消息包括第一信息,所述第一信息包括以下信息中的至少一个:所述第一终端设备进行侧行链路通信采用的传输模式、所述第一终端设备所在的终端设备组的组标识以及所述终端设备组的组头信息,其中,所述组头信息用于指示所述终端设备组中的组头,所述组头为所述终端设备组中具有资源协调或分配功能的终端设备;处理单元,用于根据所述第一消息,在多个传输模式中确定第一传输模式;所述收发单元用于:向所述第一终端设备发送第一配置信息,所述第一配置信息用于指示所述第一终端设备采用所述第一传输模式与其它终端设备进行侧行链路通信。
- 根据权利要求55所述的网络设备,其特征在于,若所述第一终端设备不是所述终端设备组中的组头,所述组头信息还包括所述终端设备组中组头的标识信息;或若所述第一终端设备是所述终端设备组中的组头,所述组头信息用于指示所述第一终端设备为所述终端设备组中的组头。
- 根据权利要求55或56所述的网络设备,其特征在于,所述收发单元还用于:向第二终端设备发送所述第一配置信息,所述第二终端设备用于向所述第一终端设备发送所述第一配置信息,所述第二终端设备为所述终端设备组中的组头。
- 根据权利要求55或56所述的网络设备,其特征在于,所述第一消息还包括第二信息,所述第二信息包括以下信息中的至少一个:第三终端设备的标识信息、所述第三终端设备进行侧行链路通信采用的传输模式以及第一指示信息,其中,所述第三终端设备为所述终端设备组中除所述第一终端设备外的终端设备,所述第一指示信息用于指示所述第三终端设备的小区。
- 根据权利要求58所述的网络设备,其特征在于,所述第一终端设备为所述终端设备组中的组头。
- 根据权利要求58或59所述的网络设备,其特征在于,若所述第三终端设备位于小区覆盖范围外,所述第一指示信息用于指示所述第三终端设备位于小区覆盖范围外;或若所述第三终端设备位于小区覆盖范围内,所述第一指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述第一终端设备所在小区的覆盖范围外,所述第一指示信息用于指示所述第三终端设备位于所述第一终端设备所在小区的覆盖范围外和/或所述第二指示信息包括所述第三终端设备所在小区的小区标识信息;或若所述第三终端设备位于所述第一终端设备所在小区的覆盖范围内,所述第一指示信息用于指示所述第三终端设备位于所述第一终端设备所在的小区。
- 根据权利要求58至60中任一项所述的网络设备,其特征在于,所述收发单元还用于:向所述第三终端设备发送第二配置信息,所述第二配置信息用于指示所述第三终端设备采用所述第一传输模式进行侧行链路通信。
- 根据权利要求55至61中任一项所述的网络设备,其特征在于,所述第一消息承载在上行控制信息、介质访问控制层的控制单元MAC CE或无线资源控制RRC信令中。
- 根据权利要求55至62中任一项所述的网络设备,其特征在于,所述第一配置信息还包括以下信息中的至少一种:所述第一终端所在的终端设备组的组标识信息、组播通信或广播通信的类型信息、无线接入技术RAT类别指示信息以及服务质量QoS属性信息。
- 根据权利要求55至63中任一项所述的网络设备,其特征在于,所述第一配置信息承载在广播信息、RRC信令或下行控制信息中。
- 一种终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至22中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求23至32中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至22中任一项所述的侧行链路中确定传输模式的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求23至32中任一项所述的侧行链路中确定传输模式的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至22中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求23至32中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至22中任一项所述的侧行链路中确定传输模式的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求23至32中任一项所述的侧行链路中确定传输模式的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至22中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求23至32中任一项所述的方法。
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CA3116599A CA3116599C (en) | 2018-10-29 | 2018-10-29 | Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus |
CN201880097222.6A CN112655241A (zh) | 2018-10-29 | 2018-10-29 | 侧行链路中确定传输模式的方法、终端设备和网络设备 |
EP18938415.9A EP3852396B1 (en) | 2018-10-29 | 2018-10-29 | Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus |
ES18938415T ES2928912T3 (es) | 2018-10-29 | 2018-10-29 | Procedimiento para determinar el modo de transmisión en un enlace lateral, aparato terminal y aparato de red |
JP2021546409A JP7341246B2 (ja) | 2018-10-29 | 2018-10-29 | サイドリンクにおける伝送モードの決定方法、端末装置及びネットワーク装置 |
KR1020217010982A KR102478850B1 (ko) | 2018-10-29 | 2018-10-29 | 사이드링크에서 전송 모드를 결정하는 방법, 단말 장치와 네트워크 장치 |
MX2021004844A MX2021004844A (es) | 2018-10-29 | 2018-10-29 | Metodo para determinar modo de transmision en enlace secundario, aparato de terminal y aparato de red. |
RU2021112486A RU2766435C1 (ru) | 2018-10-29 | 2018-10-29 | Способ определения режима передачи данных по прямой линии связи, терминал и сетевое устройство |
BR112021007962-9A BR112021007962A2 (pt) | 2018-10-29 | 2018-10-29 | método para determinar um modo de transmissão de um enlace lateral, dispositivo terminal, e dispositivo de rede |
EP22186435.8A EP4096245A1 (en) | 2018-10-29 | 2018-10-29 | Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus |
AU2018447431A AU2018447431B2 (en) | 2018-10-29 | 2018-10-29 | Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus |
PCT/CN2018/112453 WO2020087212A1 (zh) | 2018-10-29 | 2018-10-29 | 侧行链路中确定传输模式的方法、终端设备和网络设备 |
CN202110575876.9A CN113286276B (zh) | 2018-10-29 | 2018-10-29 | 侧行链路中确定传输模式的方法、终端设备和网络设备 |
SG11202104091WA SG11202104091WA (en) | 2018-10-29 | 2018-10-29 | Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus |
US17/224,640 US11451326B2 (en) | 2018-10-29 | 2021-04-07 | Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus |
US17/816,020 US20220368454A1 (en) | 2018-10-29 | 2022-07-29 | Method for Determining Transmission Mode in Sidelink, Terminal Apparatus, and Network Apparatus |
JP2023115192A JP2023134649A (ja) | 2018-10-29 | 2023-07-13 | サイドリンクにおける伝送モードの決定方法、端末装置及びネットワーク装置 |
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CN111294756B (zh) * | 2019-03-29 | 2022-02-01 | 北京紫光展锐通信技术有限公司 | 用于v2x业务的资源分配方法及装置、存储介质、终端、基站 |
CN114258011B (zh) * | 2020-09-21 | 2023-06-16 | 维沃移动通信有限公司 | 信息发送方法、信息接收方法、装置及终端 |
CN116170772A (zh) * | 2021-11-22 | 2023-05-26 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的节点中的方法和装置 |
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JP7341246B2 (ja) | 2023-09-08 |
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SG11202104091WA (en) | 2021-05-28 |
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JP2023134649A (ja) | 2023-09-27 |
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CN112655241A (zh) | 2021-04-13 |
CA3116599A1 (en) | 2020-05-07 |
AU2018447431B2 (en) | 2022-05-19 |
JP2022508844A (ja) | 2022-01-19 |
KR102478850B1 (ko) | 2022-12-16 |
EP3852396B1 (en) | 2022-08-24 |
EP4096245A1 (en) | 2022-11-30 |
RU2766435C1 (ru) | 2022-03-15 |
CN113286276B (zh) | 2023-03-10 |
CA3116599C (en) | 2023-05-09 |
MX2021004844A (es) | 2021-06-08 |
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