WO2015096030A1 - 一种数据传输的方法、设备和系统 - Google Patents
一种数据传输的方法、设备和系统 Download PDFInfo
- Publication number
- WO2015096030A1 WO2015096030A1 PCT/CN2013/090325 CN2013090325W WO2015096030A1 WO 2015096030 A1 WO2015096030 A1 WO 2015096030A1 CN 2013090325 W CN2013090325 W CN 2013090325W WO 2015096030 A1 WO2015096030 A1 WO 2015096030A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- data packets
- module
- unit
- control module
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 98
- 230000005540 biological transmission Effects 0.000 title claims abstract description 83
- 230000008569 process Effects 0.000 claims description 47
- 230000004044 response Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 abstract description 93
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 11
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
-
- 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
- H04W92/20—Interfaces between hierarchically similar devices between access points
Definitions
- the present invention relates to the field of mobile communications technologies, and in particular, to a data transmission method, device, and system.
- LTE Long Term Evolution
- CA Carrier Aggregation
- the data transmission bandwidth that can be provided between stations is 1 Gbps
- the inter-station interface bandwidth during data transmission is often greater than 1 Gbps, and inter-station CA deployment cannot be realized.
- the existing CAs are based on the implementation in the station, in the intra-site cross-platform Intra-siteCA scheme, data is transmitted slowly from the Packet Data Convergence Protocol (PDCP) to the RLC.
- PDCP Packet Data Convergence Protocol
- the data is transmitted to each MAC for fast data transmission, which is generally limited to lOOus, so that the bandwidth requirement between the interfaces is high.
- the Payload (payload) data is 300 kb.
- the transmission from the RLC layer to each MAC layer is restricted to be completed within 100 s, and is required to be transmitted from the RLC layer to each MAC layer board.
- the data transmission bandwidth provided by the board is 1 Gbps. It can be seen that the interface bandwidth between the boards is larger than the data transmission bandwidth that can be provided between the boards, and the inter-board CA deployment cannot be realized. In this way, in the prior art, when the CA technology is used between devices, the interface bandwidth is required to be large, which makes it difficult to implement the CA technology.
- the embodiments of the present invention provide a method, a device, and a system for data transmission, which are used to solve the problem that the interface bandwidth is large when the CA technology is used between devices, thereby causing difficulty in implementing CA technology.
- a data transmission system is provided, where the system includes a first device and a second device;
- the first device is configured to serve a primary carrier of the user equipment, and the first device includes: a first unit for processing an RLC layer, a second vehicle element for processing a MAC layer, and a third processing element for processing the PDCP layer a third unit and a first scheduling unit, where the first unit includes: a first control module and a first relay module;
- the second device is configured to serve a secondary carrier of the user equipment, and the second device includes: a fourth unit for processing an RLC layer, and a fifth unit and a second scheduling unit for processing a MAC layer, where
- the fourth unit includes: a second relay module;
- the first scheduling unit is configured to send first scheduling information to all the transit modules in the system, where the first scheduling information includes scheduling information of the primary carrier ;
- the second scheduling unit is configured to send second scheduling information to all the transit modules in the system, where the second scheduling information includes scheduling information of the secondary carrier;
- the first control module is configured to: receive data from the third unit, and divide the data into N data packets, and send the N data packets to all the transit modules in the system;
- the first transition module is configured to: receive the N data packets and scheduling information sent by all scheduling units in the system; and acquire, according to the received all or part of scheduling information, the N data packets. a data packet transmitted on the primary carrier; sending the data packet obtained by the first relay module to the second unit;
- the second transition module is configured to: receive the N data packets and scheduling information sent by all scheduling units in the system; and obtain, according to the received all or part of scheduling information, the N data packets. a data packet transmitted on the secondary carrier; sending the data packet acquired by the second relay module to the fifth unit.
- a data transmission device where the data transmission device is used to serve a primary carrier of a user device, and the data transmission device includes:
- the first scheduling unit is configured to: send first scheduling information to all the transit modules in the data transmission device, where the first scheduling information includes scheduling information of the primary carrier;
- the first control module is configured to: receive data from the third unit, divide the data into N data packets, and send the N data packets to the first transit module and the second relay
- the second relay module is included in the first unit or included in other units than the transmission device; the first relay module is configured to: receive the N data packets and And the scheduling information sent by the first scheduling unit is obtained, and the data packet to be transmitted on the primary carrier is obtained from the N data packets according to the received scheduling information; and the data acquired by the first transit module is sent.
- the package is given to the second unit.
- a data transmission method is provided, which is applied to a data transmission device, where the data transmission device is used to serve a primary carrier of a user equipment, and the data transmission device includes: a first unit for processing an RLC layer, The second unit for processing the MAC layer, the third unit for processing the PDCP layer, and the first scheduling unit, where the first unit includes: a first control module and a first transition module;
- the method includes:
- the first scheduling unit to transmit the first transfer module and the second module of the first transfer scheduling information, a second tone ⁇ boast comprising scheduling information of the primary carrier;, during the second 1 f;
- the first control module receives data from the third unit, and divides the data into N data packets, and sends the N data packets to the first relay module and the second relay module ;
- the first relay module receives the N data packets and scheduling information sent by the first scheduling unit, and acquires, according to the received scheduling information, the N data packets to be transmitted on the primary carrier. Data packet; sending the data packet acquired by the first relay module to the second unit.
- the method further includes: after the sending, by the first control module, the first transit module and the second transit module Synchronizing with the first control module, and sending a data cache queue status to the first transfer module and the second transfer module, where the data cache queue status is used to indicate data sent by the first control module
- the number of packages is N.
- a second possible implementation of the third aspect is also provided.
- the first scheduling information includes: information indicating the number of data packets M1 to be transmitted on the primary carrier, where the first transit module is specifically configured to obtain the N data packets. Take the M1 data packets.
- a third possible implementation manner of the third aspect is also provided.
- the first scheduling information further includes: a first location or information for calculating the first location, where the first location is a data packet to be transmitted on the primary carrier in the N data packets
- the first transition module is configured to acquire, from the N data packets, the M1 data packets indicated by the first location.
- a fourth possible implementation of the third aspect is also provided.
- the first location includes: the M1 data packets are at a start position of the N data packets;
- the information for calculating the first location includes: a quantity of data packets ranked before the M1 data packets among the N data packets.
- a fifth possible implementation manner of the third aspect is further provided, where the method further includes:
- the first relay module determines the first location based on the information used to calculate the first location.
- the first control module receives a completion message from all the relay modules in the data transmission device, and sends a synchronization message as a response to the received completion message;
- the completion message is used to indicate that the relay module that sends the completion message completes the N data packets that receive the data, and the synchronization message is used to indicate that all the transit modules in the system complete the N receiving the data. Packets.
- the seventh possible implementation manner of the third aspect is further provided, where the method further includes:
- the first relay module determines whether the first control module requests synchronization, and receives the data cache queue status, determines whether the data packet acquisition is completed, and if yes, sends the complete to the first control module. a message, and receiving the synchronization message.
- the method further includes: the first control module receiving After the data, it is determined whether the data is different from the data that has been sent to all the relay modules in the method, and when the determination result is yes, the data is divided into N data packets; or
- the data determines whether the new data is different from the data that has been sent to all the relay modules in the method, and waits until the next data is received when the determination result is no.
- the ninth possible implementation manner of the third aspect is further provided, where the method further includes:
- the first transition module learns, by the first control module, that the first control module requests synchronization and receives the data cache queue status
- the first transition module determines that the number of data packets that it has received is N;
- the first transition module sends the completion message to the first control module; the first transition module receives the synchronization message from the first control module.
- the method further includes:
- the first transition module determines that the number of data packets buffered by itself does not reach N; the first relay module continues to receive the data from the first control module until it determines that the number of data packets that it has received is N.
- the eleventh possible implementation manner of the third aspect is further provided: the data transmission device is a backplane in a base station or a base station.
- An embodiment of the present invention provides a data transmission method, device, and system, where a first control module and a first transfer module are set in a first unit, and a second transfer module is set in a fourth unit.
- the third unit sends the data to the first control module
- the first control module sends the data to the first transfer module and the second transfer module
- the first transfer module obtains the data packet transmitted on the primary carrier from the data.
- sending to the second unit the second transfer module obtains the data packet transmitted on the secondary carrier from the data, and sends the data packet to the fifth unit, and the first transit module takes the data from the whole data transmission process.
- the process of transmitting the packet to the second unit is the process of transmitting the data packet from the RLC layer of the first device to the MAC layer of the first device, the process is not limited by the bandwidth of the inter-board interface; the second relay module sends the data packet
- the process to the fifth unit is a process of transmitting a data packet from the RLC layer of the second device to the MAC layer of the second device, the process being free from the bandwidth of the interface between the devices, avoiding Exempt from the inter-device interface bandwidth; in the prior art, the data is transmitted from the third unit to the fifth unit, that is, the data packet is transmitted from the RLC layer of the first device to the MAC layer of the second device. Limited to the interface bandwidth between devices.
- FIG. 1 is a data transmission system according to an embodiment of the present invention
- FIG. 2 is another data transmission system according to an embodiment of the present invention
- Figure 3 is a system for data transmission according to an embodiment of the present invention
- Figure 4 is a data transmission method according to an embodiment of the present invention
- Figure 5 is a system for data transmission according to an embodiment of the present invention.
- an embodiment of the present invention provides a data transmission system 100, where the system includes a first device 10 and a second device 20; as shown in FIG. 1 , a user device (User Equipment, UE for short) Communicate with each base station to receive the required data.
- the first device 10 may be a first base station
- the second device 20 may be a second base station.
- the first base station transmits data required by the user to the UE
- the second base station acquires data from the first base station, and transmits data required by the user to the UE.
- the first device 10 and the second device 20 can simultaneously send the same data to the UE, thereby implementing the CA.
- the data transmission system 100 is described in more detail in the embodiment of the present invention.
- the first device 10 and the second device 20 included in the system may both serve one UE, and the protocol stacks respectively included are similar.
- the first device 10 serves the primary carrier of the UE, and the first device includes: a physical (Physical, PHY for short) layer, an RLC layer located above the PHY layer, a PDCP layer located above the RLC layer, and The upper layer above the PDCP layer; the first unit 11 processing the RLC layer, the second unit 12 processing the MAC layer, the third unit 13 processing the PDCP layer, and the third unit 13 acquiring data from the upper layer.
- the second device 20 is configured to serve a secondary carrier of the UE, and the second device 20 includes: a PHY physical layer, an RLC layer located above the PHY layer, a PDCP layer located above the RLC layer, and a PDCP layer Upper layer above; fourth unit 21 for processing the RLC layer, for processing the fifth unit 22 of the MAC layer.
- first device 10 and the second device 20 may be two base stations or two backplanes in one base station.
- the first unit 11 includes: a first control module 111 and a first relay module 112; and the fourth unit 21 includes: a second relay module 211;
- the device 10 further includes a first scheduling unit 14, where the first scheduling unit 14 is configured to send first scheduling information to all the relay modules in the system, where the first scheduling information includes scheduling information of the primary carrier.
- the second device 20 further includes a second scheduling unit 23, where the second scheduling unit 23 is configured to send second scheduling information to all the relay modules in the system, where the second scheduling information includes the secondary carrier Scheduling information.
- the first scheduling unit 14 is configured for the first transition module 112
- the second scheduling unit 23 is configured for the second transition module 211 to ensure that the scheduling information can be quickly obtained in each transit module, so as to quickly acquire the carrier.
- the first control module 111 receives data from the third unit 13, divides the data into N data packets, and transmits the N data packets to the system. All transfer modules.
- the first transition module 112 receives the N data packets and scheduling information sent by all scheduling units in the system; and obtains, according to the received all or part of the scheduling information, the N data packets. Transmitting a data packet transmitted on the primary carrier; transmitting the data packet acquired by the first relay module 112 to the second unit 12.
- the second transition module 211 receives the N data packets and scheduling information sent by all scheduling units in the system; and obtains, according to the received all or part of the scheduling information, the N data packets. Transmitting a data packet transmitted on the secondary carrier; sending the data packet acquired by the second relay module to the fifth unit 22.
- the method includes the following steps 401 412:
- the first control module 111 receives data from the third unit 13.
- the first control module 111 determines whether the data is different from data that has been sent to all the relay modules, and when the determination result is yes, the data is divided into N. Data packets; or,
- the first control module After receiving the data, the first control module receives new data from the third unit, and determines whether the new data is different from data sent to all the relay modules in the method, and When the judgment result is no, wait until the next data is received.
- Step 402 ensures that the data sent to all transit modules is updated data each time.
- the first control module 111 sends the N data packets to the first relay module 112 and the second transition module 211.
- the first control module 111 After transmitting the N data packets, the first control module 111 requests the first transition module 112 and the second transition module 211 to synchronize with the first control module 111, and The first transfer module 112 and the second transfer module 211 send a data cache queue status, where the data cache queue status is used to indicate that the number of data packets sent by the first control module 111 is N.
- the first transition module 112 learns from the first control module 111 that the first control module requests synchronization and receives the data cache queue status.
- the second transition module 211 learns from the first control module 111 that the first control module requests synchronization and receives the data cache queue status.
- the first relay module 112 determines whether the data of the data packet that has been received by itself is N. If the determination result is yes, the process 406 is performed, and if the determination result is no, the process 407 is performed.
- the second transition module 211 determines whether the data of the data packet that has been received by itself is N; if the determination result is yes, execute 406, and if the determination result is no, execute 407.
- the first transition module 112 sends the completion message to the first control module 111.
- the second transition module 211 sends the completion message to the first control module 111.
- the first transition module 112 continues to receive the data from the first control module 111 until it determines that the number of data packets that it has received is N, and sends the completion message to the first control module 111.
- the second transition module 211 continues to receive the data from the first control module 111 until it determines that the number of data packets it has received is N, and sends the completion message to the first control module 111.
- step 408 After the first intermediate mode 112 block and the second relay module 211 send a synchronization message to the first control module 111, the following step 408 is performed.
- the first control module 111 sends a synchronization message to the first relay module 112 and the second transition module 211 as a response to the received completion message.
- the first transfer module 112 and the second transfer mode 211 block realize receiving N data packets, and after receiving the N data packets, the first transfer module 112 mainly implements the carrier in the following steps 409 412. The acquisition of the transmitted packet.
- the first transition module 112 sends a scheduling request to the first scheduling unit 14.
- the second transition module 211 sends a scheduling request to the second scheduling unit 23.
- different scheduling units may be configured for each transition module, or each transition module shares a scheduling unit. Compared with the two, configuring a scheduling module for each transit module can ensure fast implementation of the process of acquiring scheduling information. , thereby ensuring that each relay module starts acquiring the process of transmitting the data packet on the carrier in parallel through the scheduling information.
- the first scheduling unit 14 sends first scheduling information to the first transit module 112 and/or the second transit module 211 of the data transmission device.
- the second scheduling unit 23 sends the second scheduling information to the second transition module 211 and/or the first transition module 112.
- the first transition module 112 obtains the M1 data packets from the N data packets.
- the second transition module 211 acquires M2 data packets from N data packets.
- the obtaining, by the first forwarding module 112, the M1 data packets from the N data packets may be implemented by using the following implementation manners 1 and 2: Embodiment 1
- the first scheduling information includes information indicating the number M 1 of data packets to be transmitted on the primary carrier
- the first transition module 112 is from the N data packets.
- the M1 data packets Embodiment 2
- the first scheduling information includes: a first location or information used to calculate the first location, where the first location is a data packet to be transmitted on the primary carrier, and the N data is The location in the package.
- the first transition module 112 acquires M1 data packets indicated by the first location from the N data packets. In this way, the first relay module 112 can directly find M1 data packets from N data packets according to the first location.
- the first location includes: the M1 data packets are at a start position of the N data packets.
- the information for calculating the first location includes: a quantity of data packets that are ranked before the M1 data packets among the N data packets.
- the first transition module 112 determines the first location according to the information used to calculate the first location.
- the first transfer module 112 obtains the sum of the number of data packets in the scheduling information corresponding to each of the transfer modules arranged before the M1 data blocks required by the first transfer module 112; After the sum of the first packet, get Ml packets. Specifically, if the M2 data packets required by the second transfer module are arranged before the M1 data packets required by the first transfer module 112, the first transfer module 112 calculates the start position as M2+1 according to the second scheduling information. Obtaining M1 data packets according to the first scheduling information. If the M1 data packets required by the first transfer module 112 are arranged before the M2 data packets required by the second transfer module, the first transfer module 112 starts from the first data packet of the N data packets according to the first scheduling information.
- the second forwarding module 211 obtains the M2 data packets from the N data packets, which may be implemented by using the following implementation manners and implementation manners 2.
- the second scheduling information includes In the case of the information of the number M2 of packets transmitted on the secondary carrier.
- the second transfer module 211 acquires M2 data packets from the N data packets.
- the second scheduling information includes: a second location or information for calculating the second location, where the second location is a data packet to be transmitted on the secondary carrier in the N data
- the second transition module is specifically configured to acquire, from the N data packets, the M2 data packets indicated by the second location. In this way, the second relay module can directly find M2 data packets from N data packets according to the second location.
- the second location includes: the M2 data packets are in a start position of the N data packets; the information used to calculate the second location includes: N data packets in a row The number of packets before the M2 packets.
- the second relay module 211 determines the second location according to the information used to calculate the second location.
- the first transition module 112 sends the obtained M1 data packets to the second unit 12; the second transit module 211 sends the acquired M2 data packets to the fifth unit 22.
- a plurality of first relay modules may be disposed in the first device 10 of the data transmission system of the present invention, and multiple second transition modules may be disposed in the second device 20, as shown in FIG. 5, in the first unit 11
- the medium-receiving device has a first transfer module 113, and the fourth unit 21 is further provided with a second transfer module 212.
- step 403 the first control module 111 sends the N data packets to the first transition module 112, the second transition module 211, the first transition module 113, and the second relay module 212.
- the first control module 111 requests the first control module 111 from the first transition module 112, the second transition module 211, the first transition module 113, and the second transition module 212. Synchronizing, and sending a data buffer queue status to the first transition module 112, the second transition module 211, the first transition module 113, and the second relay module 212, where the data cache queue status is used to indicate the The number of data packets sent by a control module 111 is N.
- the method further includes: the first transition module 113 learns from the first control module 111 that the first control module requests synchronization and receives the data cache queue state.
- the second transfer module 212 learns from the first control module 111 that the first control module requests synchronization and receives the data cache queue status.
- the first relay module 113 determines whether the data of the data packet that has been received by itself is N. If the result of the determination is yes, execute 406. If the result of the determination is no, execute 407.
- the second relay module 212 determines whether the data of the data packet that has been received by itself is N; if the determination result is yes, execute 406, and if the determination result is no, execute 407.
- the method further includes: the first transition module 113 sending the completion message to the first control module 111.
- the second relay module 212 sends the completion message to the first control module 111.
- the method further includes: the first transition module 113 continues to receive the data from the first control module 111 until it determines that the number of data packets that it has received is N, to the first control module 111. Send the completion message.
- the second transition module 212 continues to receive the data from the first control module 111, The completion message is sent to the first control module 111 until it is determined that the number of data packets that it has received is N.
- the first control module 111 sends a synchronization message to the first relay module 112, the second relay module 211, the first relay module 113, and the second relay module 212 as a response to the received completion message.
- the first transfer module 113 and the second transfer mode 212 block realize receiving the N data packets.
- the method further includes: the first transition module 113 sending a scheduling request to the first scheduling unit 15.
- the second transition module 212 sends a scheduling request to the second scheduling unit 24.
- the first scheduling unit 14 sends the first scheduling information to the first transition module 112, the first transition module 113, the second transition module 211, and the second transition module 212.
- the first scheduling unit 15 sends first scheduling information to the first transition module 112, the first transition module 113, the second transition module 211, and the second transition module 212 to send first scheduling information.
- the second scheduling unit 23 sends the first scheduling information to the first transition module 112, the first transition module 113, the second transition module 211, and the second transition module 212 to send the second scheduling information.
- the second scheduling unit 24 sends the first scheduling information to the first transition module 112, the first transition module 113, the second transition module 211, and the second transition module 212 to send the second scheduling information.
- the first transfer module 113 and the second transfer module 212 complete the acquisition of the data packets transmitted on the carrier by using the scheduling information.
- the process is the same as that of the first transfer module 112 and the second transfer module 211, and details are not described herein.
- the serial direction is compared with the prior art.
- the data transmitted on the carrier is simultaneously distributed and transmitted on the four transit modules.
- the embodiment of the present invention can effectively reduce the interface bandwidth.
- the RLC layer in the prior art is to the two MAC layer strings.
- the RLC layer data is first distributed to the four transfer modules, and each transfer module The upper sub-data is transmitted at 25 kb. It is still necessary to send data to the MAC layer in parallel.
- An embodiment of the present invention provides a data transmission method, where a first control module and a first transfer module are set in a first unit, and a second transfer module is set in a fourth unit, which is viewed from the entire data transmission process.
- the process of transmitting the data packet to the second unit by the transit module is the process of transmitting the data packet from the RLC layer of the first device to the MAC layer of the first device,
- the process is not limited by the bandwidth of the interface between the boards;
- the process of the second relay module transmitting the data packet to the fifth unit is the process of transmitting the data packet from the RLC layer of the second device to the MAC layer of the second device, the process is not Due to the limitation of the interface bandwidth between devices, the bandwidth of the interface between devices is avoided; in the prior art, the data is transmitted from the third unit to the fifth unit, that is, the data packet is transmitted from the RLC layer of the first device.
- the MAC layer to the second device is limited by the inter-device interface bandwidth. It can be seen that the embodiment of the present invention can implement the CA technology between devices.
- the second embodiment of the present invention provides a data transmission system 100.
- the system 10 includes a first device 10 and a second device 20, where the first device 10 is used to serve the UE. a primary carrier, and the first device includes: a first unit 11 for processing an RLC layer, a second unit 12 for processing a MAC layer, and a third unit 13 for processing a PDCP layer, where the first The unit 11 includes: a first control module 111 and a first relay module 112;
- the second device 20 is configured to serve a secondary carrier of the UE, and the second device 20 includes: a fourth unit 21 for processing an RLC layer, and a fifth unit 22 for processing a MAC layer, where
- the fourth unit 21 includes: a second relay module 211; the first control module 111 is configured to: receive data from the third unit 15, divide the data into N data packets, and N data packets are sent to all the relay modules in the system;
- the first transition module 112 is configured to: receive the N data packets, obtain a data packet to be transmitted on the primary carrier from the N data packets, and send the first transit module 112 to obtain a data packet is sent to the second unit 12;
- the second relay module 211 is configured to: receive the N data packets; acquire, from the N data packets, a data packet to be transmitted on the secondary carrier;
- the data packet acquired by the second relay module 211 is sent to the fifth unit 22.
- the first control module 111 is further configured to: after receiving the data, determine whether the data is different from data sent to all the relay modules in the system, and determine the result.
- the first device 10 further includes a first scheduling unit 14; the first scheduling unit 14 is configured to send first scheduling information to all the transit modules in the system, where the first scheduling information includes the primary Carrier scheduling information.
- the first transition module 112 is further configured to receive scheduling information sent by all scheduling units in the system.
- the first transition module 112 is specifically configured to obtain, from the N data packets, the data packets to be transmitted on the primary carrier according to the received all or part of the scheduling information.
- the first transition module 112 acquires the data packets transmitted on the primary carrier according to all or part of the scheduling information by receiving scheduling information of all scheduling units, so as to send the acquired data packet to the second unit 12.
- the process of the first relay module transmitting the data packet to the second unit is a process of transmitting the data packet from the RLC layer of the first device to the MAC layer of the first device, and the process is not affected.
- the bandwidth of the interface between boards is limited, and the data transmission bandwidth usually provided in the board is large.
- the second device 20 further includes a second scheduling unit 23; the second scheduling unit 23 is configured to send second scheduling information to all the transit modules in the system, where the second scheduling information includes The scheduling information of the secondary carrier.
- the second transition module 211 is further configured to receive scheduling information sent by all scheduling units in the system.
- the second transition module 211 is specifically configured to obtain, from the N data packets, the data packets to be transmitted on the secondary carrier according to the received all or part of the scheduling information.
- the second relay module 211 acquires the data packets transmitted on the secondary carrier according to all or part of the scheduling information by receiving the scheduling information of all the scheduling units, so as to send the acquired data packet to the fifth unit 22.
- the process of transmitting the data packet to the fifth unit by the second transit module is the process of transmitting the data packet from the RLC layer of the second device to the MAC layer of the second device, avoiding the limitation.
- the data is transmitted from the third unit to the fifth unit, that is, the data layer is transmitted from the RLC layer of the first device to the MAC layer of the second device, which is limited by the device. Interface bandwidth.
- the first control module 111 is further configured to: after sending the N data packets, request synchronization with the first control module from all the transit modules in the system, and send the system to the system
- the data cache queue status is used to indicate that the number of data packets sent by the first control module is N.
- the first control module synchronizes with all the transfer modules to ensure that each transfer module receives all the data packets of the current data, so that each transfer module acquires the data packets transmitted on the carrier.
- the first transfer module 112 and/or the second transfer module 211 are further configured to: determine whether the data has been completed when the first control module requests synchronization, and receives the data cache queue status Obtaining the packet N, if yes, sending a completion message to the first control module; the completion message is used to indicate that the relay module that sends the completion message completes receiving N data packets of the data, and the synchronization message is used by Instructing all the relay modules in the system to complete the N data packets receiving the data. If not, the data is continued to be received from the first control module until it is determined that the number of data packets it has received is N.
- the first control module is further configured to: receive a completion message from all the relay modules in the system, and send a synchronization message as a response to the received completion message; the synchronization message is used to indicate the system All of the relay modules in the middle receive N packets of data that complete the data.
- the first control module 111 sends a synchronization message to each of the relay modules after all the relay modules send the completion message, so that each of the relay modules simultaneously acquires the data packets transmitted on the carrier from the N data packets, so that Each relay module sends a data packet to each MAC layer.
- the first control module determines that all the relay modules in the system have received the N data packets of the data by receiving the completion message, thereby realizing the synchronization of the received data, so that each relay module can acquire the data transmitted on the carrier.
- the packet that is, the first relay module 112 starts to acquire M1 data packets, and the second relay module 211 acquires the grouping process of the M2 data packets.
- the first control module synchronizes with each of the transfer modules to ensure that each of the transfer modules acquires all the data, and at the same time, starts the process of acquiring the data packets transmitted on the carrier, so that each transfer module can
- the MAC layer sends data in parallel.
- the embodiment of the present invention can effectively reduce the interface bandwidth.
- the prior art sin RLC layer serially transmits sub-data to the two MAC layers by 50 kb, which needs to be limited to lOOus.
- the present invention first distributes the RLC layer data to two relay modules, and each sub-module transmits the sub-data 50kb, and sends the data to the MAC layer in parallel.
- the first transfer module 112 and/or the second transfer module 211 are further configured to: after receiving the synchronization message, start to acquire the data packet according to the all or part of the scheduling information.
- the process of completing the obtaining of the data packet according to all or part of the scheduling information is implemented by the following content:
- the first scheduling information includes: information for indicating the number M1 of data packets to be transmitted on the primary carrier, where the first transition module 112 is specifically configured to acquire the M1 from the N data packets. Packets.
- the second scheduling information includes: information for indicating the number of data packets M2 to be transmitted on the secondary carrier, where the second transition module 211 is specifically configured to acquire the M2 from the N data packets. Packets.
- the first scheduling information further includes: a first location or information used to calculate the first location, where the first location is a data packet to be transmitted on the primary carrier in the N
- the location in the data packet, the first transition module 112 is specifically configured to acquire, from the N data packets, the M1 data packets indicated by the first location.
- the second scheduling information further includes: a second location or information for calculating the second location, where the second location is a data packet to be transmitted on the secondary carrier in the N data packets
- the second transition module 211 is specifically configured to acquire, from the N data packets, the M2 data packets indicated by the second location.
- the first location includes: the M1 data packets are at a start position of the N data packets.
- the information for calculating the first location includes: a quantity of data packets ranked before the M1 data packets among the N data packets.
- the second location includes: the M2 data packets are at a start position of the N data packets.
- the information for calculating the second location includes: the number of data packets ranked before the M2 data packets among the N data packets.
- the first transition module 112 is further configured to determine the first location according to the information used to calculate the first location, where the second transition module 211 is further configured to calculate according to the The information of the second location determines the second location.
- the implementation method that can be used the first transfer module obtains a sum of the number of data packets in the scheduling information corresponding to each of the transfer modules arranged before the M1 data blocks required by the first transfer module; The first packet after the sum of the number of packets starts to acquire M1 packets.
- the M2 data packets required by the second transfer module are arranged before the M1 data packets required by the first transfer module, and the first transfer module calculates the start position as M2+1 according to the second scheduling information, according to the first schedule. Information gets Ml packets.
- the M1 data packets required by the first transfer module are arranged before the M2 data packets required by the second transfer module, and the first transfer module starts from the first data packet of the N data packets according to the first scheduling information. , get Ml packets.
- the process of obtaining the M2 data packets from the N data packets is the same as the process of obtaining the M1 data packets by the first transit module, and details are not described herein again.
- the first device is a first base station
- the second device is a second base station; or the first device and the second device are different backplanes in one base station.
- An embodiment of the present invention provides a system for data transmission.
- the third unit sends data to the first control module, where the first control module sends the data to the second relay module, and the second transit module obtains the data from the data.
- the data packet transmitted on the secondary carrier is sent to the fifth unit
- the process of the second relay module transmitting the data packet to the fifth unit is the process of transmitting the data packet from the RLC layer of the second device to the MAC layer of the second device, which is not limited by the bandwidth of the interface between the devices, and avoids Limited to the interface bandwidth between devices; in the prior art, the process of transferring data from the third unit to the fifth unit, that is, the MAC layer of the data packet transmitted from the RLC layer of the first device to the second device is limited by Interface bandwidth between devices. It can be seen that the embodiment of the present invention can implement the CA technology between devices.
- Embodiment 3 The embodiment of the present invention provides a data transmission device, such as the foregoing first device 10, as shown in FIG.
- the data transmission device 10 is a backplane in a base station or a base station.
- the data transmission device 10 is configured to serve a primary carrier of the UE, and the data transmission device 10 includes: a first unit 11 for processing an RLC layer, and a second unit 12 for processing a MAC layer, configured to process a PDCP layer
- the third unit 13 and the first scheduling unit 14 wherein the first unit 11 includes: a first control module 111 and a first relay module 112.
- the first scheduling unit 14 is configured to: send first scheduling information to all the transit modules in the data transmission device, where the first scheduling information includes scheduling information of the primary carrier.
- the first control module 111 is configured to: receive data from the third unit, divide the data into N data packets, and send the N data packets to the first relay module 112 and
- the second transfer module is included in the first unit (for example, the second transfer module 211).
- the first transition module 112 is configured to: receive the N data packets and scheduling information sent by the first scheduling unit, and acquire, according to the received scheduling information, the N data packets. Transmitting the data packet on the primary carrier; sending the data packet obtained by the first relay module 112 to the second unit.
- An embodiment of the present invention provides a data transmission device, which implements a process in which a first transit module sends a data packet to a second unit, where the process is to transmit a data packet from an RLC layer of the first device to a MAC layer of the first device.
- the process is implemented in the board, and the data transmission bandwidth provided in the board is not limited by the bandwidth of the interface between the boards.
- the first control module 111 is further configured to: after receiving the data, determine whether the data is different from data sent to all the relay modules in the data transmission device, and When the judgment result is YES, the data is divided into N data packets; or, after receiving the data, new data is received from the third unit, and the new data is determined to have been sent to the data transmission. Whether the data of all the transfer modules in the device are differently updated, and when the judgment result is no, wait until receiving Go to the next data. In this way, each time the first control module sends a determination to the first relay module, it can be ensured that the data sent to all the relay modules is updated data.
- the first control module 111 is further configured to: after sending the N data packets, request synchronization with the first control module to the first transit module 112 and the second transit module And sending a data cache queue status to the first transfer module 112 and the second transfer module, where the data cache queue status is used to indicate that the number of data packets sent by the first control module is N.
- the synchronization is initiated by the first control module, and each of the relay modules cooperates with the first control module to ensure that the first relay module receives the data to complete the process of acquiring the data packet transmitted on the carrier. .
- the first control module 111 is specifically configured to: receive a completion message from all the relay modules in the data transmission device, and send a synchronization message as a response to the received completion message.
- the completion message is used to indicate that the relay module that sends the completion message completes the N data packets that receive the data, and the synchronization message is used to indicate that all the transit modules in the system complete the N receiving the data. Packets.
- the first transition module 112 is further configured to: when it is learned that the first control module requests synchronization, and receives the data cache queue status, determine whether the data packet acquisition is completed, and if yes, The first control module sends a completion message and receives the synchronization message.
- the first transition module 112 is further configured to: learn, by the first control module, that the first control module requests to synchronize and receive the data cache queue status;
- the first transition module 112 is further configured to: determine that the number of data packets that are internally cached does not reach N;
- the data continues to be received from the first control module until it is determined that the number of packets it has received is N.
- the first control module synchronizes with all the transfer modules to ensure that each transfer module receives all the data packets of the current data, so that the first transfer module acquires the carrier according to all or part of the scheduling information.
- the transmitted data packet Preferably, the first scheduling information includes: information used to indicate the number M1 of data packets to be transmitted on the primary carrier.
- the first transition module 112 is specifically configured to obtain the M1 data packets from the N data packets.
- the first scheduling information further includes: a first location or information used to calculate the first location, where the first location is a data packet to be transmitted on the primary carrier in the N
- the first transition module 112 is specifically configured to acquire, from the N data packets, the M1 data packets indicated by the first location. In this way, the first relay module 112 can directly find M1 data packets from N data packets according to the first location.
- the first location includes: the M1 data packets are at a start position of the N data packets.
- the information for calculating the first location includes: a quantity of data packets that are ranked before the M1 data packets among the N data packets.
- the first transition module 112 is further configured to determine the first location according to the information used to calculate the first location.
- the first transfer module 112 obtains the sum of the number of data packets in the scheduling information corresponding to each of the transfer modules arranged before the M1 data blocks required by the first transfer module 112; After the sum of the first packet, get Ml packets. Specifically, if the M2 data packets required by the second transfer module are arranged before the M1 data packets required by the first transfer module 112, the first transfer module 112 calculates the start position as M2+1 according to the second scheduling information. Obtaining M1 data packets according to the first scheduling information. If the M1 data packets required by the first transfer module 112 are arranged before the M2 data packets required by the second transfer module, the first transfer module 112 starts from the first data packet of the N data packets according to the first scheduling information.
- An embodiment of the present invention provides a data transmission device, by setting a first control module and a first transition module in a first unit, in this case, the third unit sends data to the first control module, and the first control module Transmitting the data to the first relay module, and the first transit module obtains the data packet transmitted on the primary carrier from the data, and sends the data packet to the second unit, where the first transit module implements the sending of the first control module. All the data is initiated by the first control module to ensure that the first transfer module completes receiving data, and after receiving the data, the first transfer module acquires the data packet transmitted on the primary carrier from the data according to the scheduling information. And the obtained data packet transmitted on the primary carrier is sent to the second unit to implement data transmission from the RLC layer to the MAC layer.
- the entire transmission process in the embodiment of the present invention is not limited by the inter-board interface bandwidth.
- the foregoing embodiments may be combined with each other and referred to each other for convenience and brevity of description, and are not described herein again.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause 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 various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a disk or an optical disk, and the like, and the program code can be stored. Medium.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2013/090325 WO2015096030A1 (zh) | 2013-12-24 | 2013-12-24 | 一种数据传输的方法、设备和系统 |
CN201380002484.7A CN103858476B (zh) | 2013-12-24 | 2013-12-24 | 一种数据传输的方法、设备和系统 |
EP13900151.5A EP3076743B1 (en) | 2013-12-24 | 2013-12-24 | Data transmission method, device and system |
KR1020167019654A KR101795646B1 (ko) | 2013-12-24 | 2013-12-24 | 데이터 전송 방법, 장치 및 시스템 |
US15/191,013 US9913288B2 (en) | 2013-12-24 | 2016-06-23 | Data transmission method, device, and system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2013/090325 WO2015096030A1 (zh) | 2013-12-24 | 2013-12-24 | 一种数据传输的方法、设备和系统 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/191,013 Continuation US9913288B2 (en) | 2013-12-24 | 2016-06-23 | Data transmission method, device, and system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015096030A1 true WO2015096030A1 (zh) | 2015-07-02 |
Family
ID=50864356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/090325 WO2015096030A1 (zh) | 2013-12-24 | 2013-12-24 | 一种数据传输的方法、设备和系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9913288B2 (zh) |
EP (1) | EP3076743B1 (zh) |
KR (1) | KR101795646B1 (zh) |
CN (1) | CN103858476B (zh) |
WO (1) | WO2015096030A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103858476B (zh) | 2013-12-24 | 2018-07-13 | 华为技术有限公司 | 一种数据传输的方法、设备和系统 |
BR112019026887A2 (pt) | 2017-07-28 | 2020-07-07 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | método de transmissão de dados, terminal, dispositivo do lado da rede e meio de armazenamento |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102300259A (zh) * | 2011-09-16 | 2011-12-28 | 电信科学技术研究院 | 一种数据块级联和拆解处理方法、装置及系统 |
CN102843665A (zh) * | 2011-06-23 | 2012-12-26 | 中兴通讯股份有限公司 | 一种联合传输的方法和系统 |
CN102958102A (zh) * | 2011-08-22 | 2013-03-06 | 中兴通讯股份有限公司 | 一种rlc分流传输方法及系统 |
CN103858476A (zh) * | 2013-12-24 | 2014-06-11 | 华为技术有限公司 | 一种数据传输的方法、设备和系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5365516A (en) * | 1991-08-16 | 1994-11-15 | Pinpoint Communications, Inc. | Communication system and method for determining the location of a transponder unit |
US8462817B2 (en) * | 2003-10-15 | 2013-06-11 | Qualcomm Incorporated | Method, apparatus, and system for multiplexing protocol data units |
KR100582575B1 (ko) * | 2003-10-27 | 2006-05-23 | 삼성전자주식회사 | 멀티 프레임을 이용한 무선 통신 시스템의 데이터 전송방법 |
US7395064B2 (en) * | 2004-07-14 | 2008-07-01 | Intel Corporation | Systems and methods of distributed self-configuration for wireless networks |
US8233926B2 (en) * | 2008-05-22 | 2012-07-31 | Futurewei Technologies, Inc. | Spatial mode adaptation at the cell edge using interferer spatial correlation |
US9392515B2 (en) * | 2010-02-12 | 2016-07-12 | Interdigital Technology Corporation | Data split between multiple sites |
EP2695420B1 (en) * | 2011-04-07 | 2019-08-21 | Nokia Solutions and Networks Oy | Functional split for a multi-node carrier aggregation transmission scheme |
WO2013006193A1 (en) * | 2011-07-01 | 2013-01-10 | Intel Corporation | Layer shifting in open loop multiple-input, multiple-output communications |
US9648519B2 (en) * | 2012-03-30 | 2017-05-09 | Nokia Solutions And Networks Oy | Devices, methods and computer program products for an improved handover in inter-site carrier aggregation scenarios |
-
2013
- 2013-12-24 CN CN201380002484.7A patent/CN103858476B/zh active Active
- 2013-12-24 EP EP13900151.5A patent/EP3076743B1/en active Active
- 2013-12-24 WO PCT/CN2013/090325 patent/WO2015096030A1/zh active Application Filing
- 2013-12-24 KR KR1020167019654A patent/KR101795646B1/ko active IP Right Grant
-
2016
- 2016-06-23 US US15/191,013 patent/US9913288B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102843665A (zh) * | 2011-06-23 | 2012-12-26 | 中兴通讯股份有限公司 | 一种联合传输的方法和系统 |
CN102958102A (zh) * | 2011-08-22 | 2013-03-06 | 中兴通讯股份有限公司 | 一种rlc分流传输方法及系统 |
CN102300259A (zh) * | 2011-09-16 | 2011-12-28 | 电信科学技术研究院 | 一种数据块级联和拆解处理方法、装置及系统 |
CN103858476A (zh) * | 2013-12-24 | 2014-06-11 | 华为技术有限公司 | 一种数据传输的方法、设备和系统 |
Non-Patent Citations (2)
Title |
---|
ERICSSON: "Tdoc R2-092957, Impact of Carrier Aggregation on the L2 protocol architecture for LTE Rel-10", 3GPP TSG-RAN WG2 #66, 4 May 2009 (2009-05-04), SAN FRANCISCO, USA, XP050340752, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/wg2_r12/TSGR2_66/Docs/R2-092957.zip> [retrieved on 20090428] * |
See also references of EP3076743A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR101795646B1 (ko) | 2017-11-08 |
EP3076743A4 (en) | 2016-11-30 |
US20160345350A1 (en) | 2016-11-24 |
KR20160101145A (ko) | 2016-08-24 |
US9913288B2 (en) | 2018-03-06 |
CN103858476B (zh) | 2018-07-13 |
EP3076743A1 (en) | 2016-10-05 |
CN103858476A (zh) | 2014-06-11 |
EP3076743B1 (en) | 2018-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10050894B2 (en) | Method for controlling transmission of data | |
CN110249597A (zh) | 一种QoS流处理方法、设备和通信系统 | |
CN107484183B (zh) | 一种分布式基站系统、cu、du及数据传输方法 | |
JP2019517760A (ja) | セルスイッチングのためのシステムおよび方法 | |
JP7035190B2 (ja) | Pscellハンドオーバーのための方法および装置 | |
US11729846B2 (en) | Method for activating packet data convergence protocol duplication and node device | |
WO2020119013A1 (zh) | 侧链通信方法和装置 | |
CN110430599A (zh) | 数据传输的方法和装置 | |
WO2016127666A1 (zh) | 一种rlc数据包分流方法及基站 | |
JP2018500802A (ja) | セカンダリ基地局ベアラの変更 | |
CN109548096A (zh) | 通信方法、基站、终端设备和系统 | |
WO2014172896A1 (zh) | 一种数据传输的方法、基站和无线通信设备 | |
CN104734823B (zh) | 通信系统、通信终端、中转台以及握手通信的方法 | |
TWI797414B (zh) | 用於行動性增強之方法及其使用者設備 | |
WO2012119564A1 (zh) | 一种用户面配置参数的处理方法及装置 | |
CN111264079B (zh) | 数据传输方法、电子设备、系统及存储介质 | |
WO2015096030A1 (zh) | 一种数据传输的方法、设备和系统 | |
WO2012146170A1 (zh) | 多种无线接入技术服务一个用户设备的数据分配方法及装置 | |
WO2012155557A1 (zh) | 一种异构网络中业务流的同步传输方法及系统 | |
WO2019062725A1 (zh) | 一种上行数据传输方法及装置 | |
CN107094299B (zh) | 自适应于接入网架构的数据处理方法及接入网架构 | |
CN108282815B (zh) | 一种数据处理的方法及数据处理设备 | |
CN107454623B (zh) | 一种无线链路控制功能实体及其处理数据的方法 | |
CN110278196B (zh) | 多目的地突发协议 | |
JP2023549941A (ja) | 伝送方法、通知方法、伝送ユニット及びネットワーク側機器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13900151 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2013900151 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013900151 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20167019654 Country of ref document: KR Kind code of ref document: A |