CN101938701A - Service dispatching method, equipment and system - Google Patents
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Abstract
The invention discloses a service dispatching method, equipment and a system, relating to the technical field of mobile communication and solving the problems brought about by conflict generated by wireless communication data sent by a terminal in an uplink direction on the receiving of broadcast data, such as self-interference. The invention sufficiently utilizes the available resources without adding additional equipment to the terminal and has very little cost consumption and higher feasibility in practical application. The service dispatching method comprises the following steps of: acquiring service dispatching information; and not executing a second service by the dispatching terminal when executing a first service according to the service dispatching information, wherein the first service is the uplink sending of the wireless communication data, the second service is the receiving of the broadcast data, or the first service is the receiving of the broadcast data, and the second service is the uplink sending of the wireless communication data.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method, a device, and a system for service scheduling.
Background
Long Term Evolution (LTE) technology is an Evolution of 3G technology. The LTE improves and enhances the 3G air access technology, can provide peak rates of 100Mbit/s downlink and 50Mbit/s uplink under a 20MHz spectrum bandwidth, improves the performance of cell edge users, increases the cell capacity, and reduces the system delay, so the LTE technology is widely accepted in the industry, and operators begin to vigorously deploy LTE networks.
Media flow (MediaFLO) technology is a broadcast data delivery technology by american high-traffic companies for portable devices such as mobile phones, personal digital assistants, and the like. The broadcast data includes various real-time video streams, independent or non-real-time video short films, such as the trend of stock market, scores of sports events, and IP data broadcast application services such as weather reports. The MediaFLO system transfers data from a block divided by the spectrum usage of existing mobile networks, e.g., the MediaFLO spectrum used in the united states is 716-722 MHz.
When an operator constructs an LTE network using a frequency band in which MediaFLO broadcasting exists, for example, operators in the united states, AT & T and Verizon, construct an LTE network using a 700MHz frequency band in which MediaFLO broadcasting exists, a dual mode terminal has come to work. As shown in fig. 1, a typical dual mode terminal is shown, in which an LTE duplexer for LTE data transmission/reception (TX/RX) and a MediaFLO receiver for receiving MediaFLO broadcast are integrated, the LTE duplexer and the MediaFLO receiver sharing a same antenna.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
the dual-mode terminal comprising the LTE duplexer and the MediaFLO receiver generates self-interference for receiving MediaFLO broadcast when transmitting LTE data in the uplink direction. For example, if the bandwidth of the MediaFLO broadcast is 6MHz, the effective bandwidth is 5.6MHz, and the noise figure of the MediaFLO receiver is 8dB, in this scenario, the required isolation between the LTE duplexer that shares the antenna and the MediaFLO receiver can be calculated to be 80dB, otherwise, the normal operation of the dual-mode terminal is affected. If the isolation is realized by inserting additional equipment into the terminal, the insertion processing has great loss to the existing terminal, the size and the function of a processing chip in the terminal need to be increased, the requirement on the terminal is too high, the cost is very high, and the method is not feasible in practical application. A method for solving the self-interference problem in the dual-mode terminal is urgently needed.
Disclosure of Invention
The embodiment of the invention provides a service scheduling method, equipment and a system. The embodiment of the invention adopts the following technical scheme:
a method of traffic scheduling, the method comprising:
acquiring service scheduling information; according to the service scheduling information, the scheduling terminal does not execute the second service when executing the first service; the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
A method of traffic scheduling, the method comprising:
according to the service scheduling information or the scheduling of the access network element, the second service is not executed when the first service is executed;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
A network device, the network device comprising:
a scheduling information obtaining unit, configured to obtain service scheduling information;
the scheduling unit is used for scheduling the terminal not to execute the second service when executing the first service according to the service scheduling information acquired by the scheduling information acquisition unit;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
A terminal device, the terminal device comprising:
the scheduling processing unit does not execute the second service when executing the first service according to the service scheduling information or the scheduling of the access network element;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
A communication system comprises the network equipment and the terminal equipment.
According to the technical scheme provided by the embodiment of the invention, the terminal stops performing uplink transmission of the wireless communication data when receiving the broadcast data through scheduling processing of the service, or stops receiving the broadcast data and performs uplink transmission of the wireless communication data, so that the problem caused by conflict when the first service and the second service exist simultaneously is avoided, for example, the problem that the receiving quality of the broadcast is influenced by self-interference generated by the LTE data transmitted in the uplink direction on the receiving of the broadcast data in the prior art, and the like. In addition, the technical scheme of the embodiment of the invention does not need to add extra equipment in the terminal, fully utilizes the existing resources, has low cost consumption and has greater feasibility in practical application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a typical dual-mode terminal;
fig. 2 is a flowchart of a service scheduling method according to an embodiment of the present invention;
fig. 3 is a flowchart of a service scheduling method according to a second embodiment of the present invention;
fig. 4 is a flowchart of a method for scheduling a service by using an eNB according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a network device according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of another network device according to a fifth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a terminal device according to a sixth embodiment of the present invention;
fig. 8 is a schematic structural diagram of another terminal device according to a sixth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a method for scheduling a service, as shown in fig. 2, the method includes:
step S1: acquiring service scheduling information;
step S2: according to the service scheduling information, the scheduling terminal does not execute the second service when executing the first service;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
For example, the first service may be uplink transmission of data in LTE, and the second service may be reception of broadcast data; or, the first service may be reception of broadcast data, and the second service may be uplink transmission of data in LTE. The broadcast data may be MediaFLO data, digital video broadcasting-handheld (DVB-H) data, Multimedia Broadcast Multicast Service (MBMS) data, terrestrial Digital Multimedia Broadcasting (DMB) data, or integrated services digital broadcasting-terrestrial transmission (ISDB-T) data, and other broadcast data, etc.
The above steps S1 and S2 may be implemented by an access network element on the network side, such as an evolved node b (eNB), and the scheduling terminal stops performing uplink transmission of the wireless communication data when receiving the broadcast data, or the scheduling terminal stops receiving the broadcast data and performs uplink transmission of the wireless communication data.
Therefore, through the service scheduling process, it is ensured that the terminal stops uplink transmission of data in the LTE when receiving broadcast data, or the terminal stops reception of broadcast data and performs uplink transmission of data in the LTE system, thereby avoiding the problem caused by collision when the first service and the second service exist at the same time, such as the problem that the reception quality of broadcast is affected by self-interference generated by the LTE data transmitted in the uplink direction in the prior art. In addition, the technical scheme of the embodiment of the invention does not need to add extra equipment in the terminal, fully utilizes the existing resources, has low cost consumption and has greater feasibility in practical application.
An embodiment of the present invention provides a service scheduling method, as shown in fig. 3, the method includes:
step R1: sending service scheduling information to an access network element;
step R2: according to the scheduling made by the access network element based on the service scheduling information, the second service is not executed when the first service is executed;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
For example, the first service may be uplink transmission of data in an LTE system, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of data in an LTE system. The broadcast data may be MediaFLO data, Multimedia Broadcast Multicast Service (MBMS) data, DVB-H data, DMB data, or ISDB-T data, and other broadcast data, etc.
The step R1 and the step R2 may be implemented by the terminal, for example, the terminal sends service scheduling information to an access network element on the network side, and the access network element schedules the terminal according to the service scheduling information. When receiving the broadcast data according to the scheduling, the terminal stops performing uplink transmission of data in the LTE system, or stops receiving the broadcast data and performs uplink transmission of data in the LTE system, thereby avoiding the problem caused by collision when the first service and the second service exist at the same time, such as the problem that the reception quality of the broadcast is affected by self-interference generated by the LTE data transmitted in the uplink direction on the reception of the broadcast data in the prior art. In addition, the technical scheme of the embodiment of the invention does not need to add extra equipment in the terminal, fully utilizes the existing resources, has low cost consumption and has greater feasibility in practical application.
The third embodiment of the present invention provides a service scheduling method, where the method includes:
according to the service scheduling information, when the first service is executed, the second service is not allowed to be executed; the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
For example, the first service is uplink transmission of data in LTE, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of data in LTE. The broadcast data may be MediaFLO data, Multimedia Broadcast Multicast Service (MBMS) data, DVB-H data, DMB data, or ISDB-T data, and other broadcast data, etc.
In the embodiment of the present invention, the terminal stops performing uplink transmission of the wireless communication data when receiving the broadcast data according to the service scheduling information acquired by the terminal, or the scheduling terminal stops receiving the broadcast data and performs uplink transmission of the wireless communication data, specifically, stops performing uplink transmission of data in LTE when receiving the broadcast data, or stops receiving the broadcast data and performs uplink transmission of data in LTE, which avoids the problem caused by collision when the first service and the second service exist simultaneously, such as the problem in the prior art that the reception quality of broadcast is affected due to self-interference generated by the LTE data transmitted in the uplink direction to the reception of the broadcast data. In addition, the technical scheme of the embodiment of the invention does not need to add extra equipment in the terminal, fully utilizes the existing resources, has low cost consumption and has greater feasibility in practical application.
The following describes the technical solution provided by the fourth embodiment of the present invention in detail.
In the technical solution provided in the fourth embodiment of the present invention, the relevant network element on the network side may obtain the service scheduling information, and according to the service scheduling information, the scheduling terminal does not execute the second service when executing the first service, so as to avoid a problem, such as a self-interference phenomenon, caused by a collision when the first service and the second service coexist, or the terminal side performs control so as to avoid a problem, such as a self-interference phenomenon, caused by a collision when the first service and the second service coexist. The first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
The first condition is as follows: controlled by the network side to avoid self-interference phenomenon
First, a relevant network element on a network side, such as an evolved node b (eNB), needs to acquire service scheduling information. The service scheduling information may be scheduling information related to the first service, or include scheduling information related to the second service, or be scheduling information related to the first service and the second service. The first service and the second service are any two possible services which can conflict when existing at the same time, and influence the terminal, such as self-interference, and need to be scheduled.
In the embodiment of the present invention, a scenario of scheduling an uplink transmission service of data in LTE and a reception service of MediaFLO data is mainly taken as an example for explanation. Further, in the embodiment of the present invention, the service scheduling information related to MediaFLO is selected as the service scheduling information of the service. For example, the present invention is applicable to other scenarios in which the transmission of uplink data interferes with the reception of downlink data, and the broadcast data may also be other broadcast data such as Multimedia Broadcast Multicast Service (MBMS) data, digital video broadcasting-handheld (DVB-H) data, digital multimedia broadcasting-terrestrial (DMB) data, or integrated services digital broadcasting-terrestrial transmission (ISDB-T) data.
Illustratively, the traffic scheduling information may include a Start time (Start) and a Duration (Duration) of receiving MediaFLO data by the terminal, or the traffic scheduling information may include a Start time and a termination time of receiving MediaFLO data by the terminal. Before the terminal receives the MediaFLO service each time, the base station acquires the service scheduling information.
Further, when the MediaFLO data is sent periodically and the time information of the MediaFLO data in each Period is the same, the service scheduling information may include a Start time (Start), a Duration (Duration), and a Period (Period) at which the terminal receives the MediaFLO data, or the service scheduling information may include a Start time, a termination time, and a Period at which the terminal receives the MediaFLO data, and the base station may acquire the time information at which the terminal receives the MediaFLO data only once.
But not limited thereto, the scheduling information may include any time information required for instructing the terminal to receive MediaFLO data when the eNB performs traffic scheduling.
The eNB may acquire the service scheduling information of the MediaFLO in a plurality of manners, for example, the manners at least include the following two manners:
mode one, receiving MediaFLO service scheduling information sent by terminal
And the eNB receives the service scheduling information of the MediaFLO sent by the terminal.
A dedicated signaling may be added, and the terminal sends the MediaFLO service scheduling information to the eNB through the added dedicated signaling. The operation mechanism of the terminal ensures that the terminal can acquire the service scheduling information of the MediaFLO. For example, when receiving a system message or a broadcast signaling in the system, the terminal parses the system message or the broadcast signaling to obtain corresponding service scheduling information of MediaFLO, or the terminal obtains corresponding service scheduling information of MediaFLO from a received MediaFLO data packet, where the MediaFLO data packet carries a control information packet, and the control information packet includes the service scheduling information of MediaFLO.
And secondly, receiving service indication information sent by the terminal, and acquiring the stored service scheduling information according to the service indication information.
In this way, the eNB stores the service scheduling information of MediaFLO to be scheduled in advance. The terminal only needs to report the service indication information of MediaFLO, and the eNB inquires all the stored service scheduling information according to the service indication information and reads the matched service scheduling information.
Taking 6MHz bandwidth as an example, MediaFLO can provide 20 Mobile TV services of 300kbps, and sets an identifier for each Mobile TV service, eNB obtains and stores service scheduling information of the 20 Mobile TV services, and stores a corresponding relationship between the Mobile TV services and the identifier, and uses the identifier as service indication information, and the terminal only needs to report the identifier, and the eNB queries the corresponding relationship according to the received identifier, and can obtain corresponding service scheduling information of MediaFLO.
Next, a case will be described in which the eNB performs control processing using the traffic scheduling information so as to avoid uplink data transmission in the LTE system when the terminal receives MediaFLO data. Here, the uplink data in the LTE system to be transmitted includes any uplink data information transmitted from the terminal to the eNB in the LTE system, and a control method for uplink transmission scenarios of all LTE data can be clearly known to those skilled in the art through the following description of uplink data transmission in the exemplary LTE system. The following processes are performed for the terminal to transmit data and signals in different uplink channels:
(1) physical Uplink Shared Channel (PUSCH):
the data transmitted on the PUSCH includes dynamic scheduling data and semi-static scheduling data.
For dynamic scheduling data, each time the dynamic scheduling data is transmitted, the terminal first transmits a resource Request Indicator (SRI) message to the eNB, and the eNB transmits a Physical Downlink Control Channel (PDCCH) signaling according to the SRI message to control transmission of PUSCH dynamic scheduling data of the terminal.
In the embodiment of the present invention, an eNB controls reception of MediaFLO data and uplink transmission of PUSCH dynamic scheduling data according to service scheduling information, as shown in fig. 4, specifically including the following steps:
step T1: and the eNB receives the service scheduling information of the MediaFLO sent by the terminal.
The service scheduling information indicates time information when the terminal receives MediaFLO data, for example, the service scheduling information is a start time and a duration when the terminal receives MediaFLO data, or the service scheduling information is a start time and a termination time when the terminal receives MediaFLO data.
Step T2: when the terminal needs to perform uplink transmission of the PUSCH dynamic scheduling data, the terminal sends an SRI message to the eNB and requests the eNB to allow the transmission of the dynamic scheduling data.
Step T3: and after receiving the SRI message, the eNB schedules according to the service scheduling information.
If the eNB determines that the terminal is receiving the MediaFLO service when transmitting the dynamic scheduling data according to the service scheduling information, that is, if the uplink transmission of the dynamic scheduling data conflicts with the reception of the MediaFLO data, the scheduling result may be to deny the terminal from transmitting the dynamic scheduling data. If the uplink transmission of the dynamic data does not conflict with the reception of MediaFLO data, the scheduling result may be to allow the transmission of the dynamic data.
Further, if the dynamic scheduling data has higher importance, the uplink transmission of the dynamic scheduling data is preferentially processed, and at this time, the scheduling result is that the terminal stops receiving MediaFLO data and performs uplink transmission of the dynamic scheduling data.
Step T4: and the eNB sends a PDCCH signaling to the terminal, and the PDCCH signaling carries the scheduling result.
Step T5: and the terminal acquires the scheduling result according to the received PDCCH signaling.
And when the scheduling result is that the uplink transmission of the dynamic scheduling data is allowed, transmitting the PUSCH data to the eNB. Or, when the scheduling result is that the uplink transmission of the dynamic scheduling data is refused, the transmission of the PUSCH data is not carried out; or, when the scheduling result is that the MediaFLO data is stopped from being received and the dynamic scheduling data is transmitted, the terminal stops receiving the MediaFLO data to transmit the dynamic scheduling data.
When the data is transmitted for the first time, the terminal transmits an SRI message to the eNB, the eNB transmits a PDCCH signaling to the terminal according to the SRI message, the transmission period, time and the like of the semi-persistent scheduling data are configured in the PDCCH signaling, and the terminal transmits the semi-persistent scheduling data according to the configuration in the PDCCH signaling. In the subsequent processing process, the terminal directly executes the sending of the semi-static scheduling data according to the configured sending period, time and the like without requesting to the eNB by using the SRI message.
In the embodiment of the invention, the eNB learns that the receiving service of the MediaFLO data exists when the terminal performs the uplink transmission of the semi-persistent scheduling data according to the service scheduling information, and the eNB resets the transmission period and time of the semi-persistent scheduling data by re-transmitting the PDCCH signaling to the terminal and adjusts the transmission period, time and the like of the semi-persistent scheduling data so as to avoid the reception of the MediaFLO data, so that the uplink transmission of the semi-persistent scheduling data does not conflict with the reception of the MediaFLO data, and the self-interference phenomenon is avoided.
The uplink transmission of the PUSCH data may be further followed by uplink transmission of a Reference Signal (RS), and in this case, the processing method for the RS may refer to the processing method for the PUSCH data.
(2) Physical Uplink Control Channel (PUCCH)
The PUCCH signaling may be transmitted along with PUSCH signaling, in which case the scheduling method refers to the scheduling method for PUSCH data transmitted in uplink.
Further, PUCCH signaling may also be used for uplink transmission of acknowledgement/non-acknowledgement (ACK/NACK) messages, Channel Quality Indication (CQI) messages, SRI messages, or RSs.
For the ACK/NACK message, the two messages are feedback messages of Physical Downlink Shared Channel (PDSCH) data sent by the terminal to the eNB, the ACK message indicates that receiving the PDSCH data is successful, and the NACK message indicates that receiving the PDSCH data is failed. The eNB can obtain the time sequence relation between the PDSCH data sent by the eNB and the ACK/NACK message fed back by the terminal according to the setting, and judge whether the terminal needs to send the ACK/NACK message when receiving the MediaFLO data according to the time sequence relation, if so, the eNB does not send the corresponding PDSCH data any more.
In a Frequency Division Duplex (FDD) system of LTE, an ACK/NACK message fed back by a terminal at time n through PUCCH signaling corresponds to PDSCH data transmitted by an eNB at time (n-4). Therefore, when the eNB is to transmit PDSCH data to the terminal, it is determined that the terminal needs to receive MediaFLO data after 4 times according to MediaFLO traffic scheduling information, and then the eNB does not transmit corresponding PDSCH data any more.
In LTE Time Division Duplex (TDD), ACK/NACK fed back by a terminal at time n through PUCCH signaling corresponds to PDSCH data transmitted by a base station to the terminal at time (n-k), and the value of k is shown in the following table:
TABLE 1
The values of k for the 9 subframes in different modes (mode 0 to mode 6) are described in table 1. The leftmost column in table 1 is a mode configured for the PDSCH, and "-" indicates that the corresponding subframe is a subframe in the uplink. As can be seen from table 1, in mode 0, k for subframe 2 takes a value of 6. In this case, when the eNB is to transmit PDSCH data to the terminal, it is determined from the MediaFLO traffic scheduling information that the terminal needs to receive MediaFLO data after 6 times, and then the eNB does not transmit corresponding PDSCH data any more.
Further, when the PDSCH data has higher importance, the terminal may be scheduled to stop receiving MediaFLO data at a corresponding time, and send PDSCH data to the terminal at the corresponding time, for example, in the LTE FDD system, the eNB sends PDSCH data to the terminal at the current time, and the terminal is scheduled to stop receiving MediaFLO data after 4 times, so that the terminal sends a corresponding PUCCH signaling message, such as an ACK/NACK message, after 4 times.
For both CQI and SRI, the transmission period and time offset (offset) can be configured by the eNB, e.g., the period of CQI can be configured in the range from 2 subframes (subframes) to 160 subframes.
When the terminal receives the MediaFLO service and uplink transmission of CQI and SRI is needed according to the configuration, the eNB reconfigures the transmission period and offset of CQI and SRI to avoid uplink data transmission while receiving the MediaFLO service.
(3) Sounding Reference Signal (Sounding Reference Signal, SRS)
The SRS is arranged in the last block of one subframe, and the frequency domain interval of the SRS is two equivalent subcarriers. The SRS period and offset are configured by the eNB, and the period is configurable from 2 subframes to 160 subframes, so the SRS can also be controlled by the eNB on the network side.
When the terminal receives the MediaFLO data and the terminal needs to perform uplink SRS transmission according to the configuration of the eNB, the eNB reconfigures the SRS transmission period and offset, and the scheduling terminal does not perform SRS transmission when receiving the MediaFLO data, or the terminal stops receiving the MediaFLO data and performs SRS transmission according to the configuration of the eNB, so as to avoid performing uplink data transmission while receiving the MediaFLO data at the terminal.
In the above-described processing, the signaling, data, or message that cannot be normally transmitted by the scheduling processing can be retransmitted at the subsequent allowable time.
Case two: controlled by the terminal side to avoid self-interference phenomenon
The terminal can directly schedule the reception of MediaFLO data and the transmission of LTE uplink data on the terminal according to the obtained service scheduling information.
The terminal side respectively performs the following processing for different uplink channels and signal transmission:
(1)PUSCH
when receiving MediaFLO data, the terminal does not transmit PUSCH data. The terminal may not transmit semi-static PUSCH data while receiving MediaFLO data, or may deny transmission of the PUSCH data when the terminal receives PDCCH signaling indication from the eNB and receives the MediaFLO data at this time, or may stop reception of the MediaFLO data and perform uplink transmission of the PUSCH data when the PDCCH signaling indication indicates that the PUSCH data has a high importance.
The RS may also be transmitted simultaneously when the PUSCH data is transmitted, and the processing method for the RS may refer to the processing method for the PUSCH data.
(2)PUCCH
The terminal does not feed back ACK/NACK messages to the eNB during reception of MediaFLO data (eNB may retransmit the corresponding PDSCH).
During reception of MediaFLO data, the terminal may not transmit an SRI message to the eNB requesting transmission of PUSCH data, or may not transmit CQI.
(3)SRS
The terminal does not transmit the SRS during the period of receiving MediaFLO traffic.
(4) Physical Random Access Channel (PRACH)
The PRACH is used to send signaling to the network when the terminal establishes an initial connection with the network, or to respond to a paging message of the network, and may also be used to send discontinuous data. The eNB configures a subframe of the PRACH, and as shown in table 2, specific information of the configurable subframe of the PRACH is given.
TABLE 2
The sending time of the PRACH data is controlled by the terminal, and the terminal sends the PRACH data of the physical random access channel according to the service scheduling information when the terminal does not receive the MediaFLO data, or stops receiving the MediaFLO data and sends the PRACH data.
In the above-described processing, the signaling, data, or message that cannot be normally transmitted by the scheduling processing can be retransmitted at the subsequent allowable time.
According to the technical scheme provided by the embodiment of the invention, through scheduling processing, when the scheduling terminal receives the MediaFLO data, the uplink transmission of the data in the LTE is stopped, or the scheduling terminal stops the reception of the MediaFLO data and performs the uplink transmission of the data in the LTE, so that the self-interference generated by the data in the LTE transmitted in the uplink direction on the reception of the MediaFLO broadcast and the influence on the operation of the terminal are avoided. In addition, the technical scheme of the embodiment of the invention does not need to add extra equipment in the terminal, fully utilizes the existing resources, has low cost consumption and has greater feasibility in practical application.
A network device 50 provided in the fifth embodiment of the present invention is configured to perform scheduling according to received service scheduling information at a network side, where the network device 50 may be implemented by an eNB, and as shown in fig. 5, the network device 50 includes:
a scheduling information obtaining unit 51, configured to obtain service scheduling information;
a scheduling unit 52, configured to schedule the terminal not to execute the second service when executing the first service according to the service scheduling information acquired by the scheduling information acquiring unit 51; the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
Further, the scheduling unit 52 is specifically configured to, according to the service scheduling information acquired by the scheduling information acquiring unit 51, schedule the terminal not to execute a second service when executing a first service, where the first service is uplink transmission of data in LTE, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of data in LTE. The broadcast data may be MediaFLO data, DVB-H data, MBMS data, DMB data, or ISDB-T data, and other broadcast data, etc.
As shown in fig. 6, a dashed box in the figure indicates that the functional module is optional, and the scheduling information obtaining unit 51 may include:
a first receiving module 511, configured to receive the service scheduling information sent by the terminal; or,
the scheduling information obtaining unit 51 may include: a second receiving module 512, configured to receive service indication information sent by a terminal; a second obtaining module 513, configured to obtain the stored service scheduling information according to the service indication information received by the second receiving module.
The scheduling unit 52 may include:
a first scheduling module 521, configured to send, according to the service scheduling information, physical uplink shared channel PUSCH data when a scheduling terminal does not receive broadcast data through a physical downlink control channel PDCCH signaling; or, the scheduling terminal stops receiving the broadcast data and transmits the PUSCH data; or,
a second scheduling module 522, configured to not send PDSCH data of the physical downlink shared channel to the terminal at n-k times according to the service scheduling information, so as to avoid sending PUCCH data of the physical uplink control channel by the terminal at n times when broadcast data needs to be received, where the PUCCH data includes ACK/NACK messages; or the scheduling terminal stops receiving the broadcast data at n time and transmits PDSCH data to the terminal at n-k time, wherein n and n-k are the mark numbers of the time, and n and k are positive numbers; or,
a third scheduling module 523, configured to configure PUCCH data according to the service scheduling information, so that the scheduling terminal does not perform sending of the PUCCH data when receiving broadcast data, or the scheduling terminal stops receiving broadcast data and performs sending of the PUCCH data, where the PUCCH data includes channel quality indicator CQI information, service request indicator SRI information, or reference signal RS; or,
a fourth scheduling module 524, configured to schedule, according to the service scheduling information, that the terminal does not perform sending of the SRS signal when receiving the broadcast data, or stops receiving of the broadcast data, and sends the SRS signal.
A terminal device 70 provided in the sixth embodiment of the present invention is configured to send service scheduling information to a network device on a network side, where the network device performs scheduling according to the service scheduling information, and the terminal device 70 performs scheduling processing on a first service and a second service in cooperation with the scheduling performed by the network device; or, the terminal device 70 performs scheduling processing on the first service and the second service according to the obtained service scheduling information, as shown in fig. 7, a dashed box in the figure indicates that the functional module is optional, and the terminal device 70 includes:
a scheduling processing unit 71, configured to not execute the second service when executing the first service according to the service scheduling information or the scheduling of the access network element; the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
Further, the scheduling processing unit 71 is specifically configured to not execute the second service when executing the first service according to the scheduling of the access network element; the first service is uplink transmission of data in LTE, and the second service is reception of broadcast data, or the first service is reception of broadcast data and the second service is uplink transmission of data in LTE. The broadcast data may be MediaFLO, MBMS data, digital video broadcasting-handheld (DVB-H) data, digital multimedia broadcasting terrestrial (DMB) or ISDB-T data, etc.
When the terminal device executes the first service according to the scheduling of the access network element, the terminal device 70 does not execute the second service, and further includes a scheduling information sending unit 72, configured to send service scheduling information to the access network element, so that the access network element performs scheduling according to the service scheduling information. The scheduling processing unit 71 may include:
a first processing module 711, configured to send PUSCH data according to a PDCCH signaling sent by an access network element when broadcast data is not received, or stop receiving broadcast data and send PUSCH data; or,
a second processing module 712, configured to receive, according to the scheduling of the access network element, PDSCH data sent by the access network element to the terminal at n-k time, and stop receiving broadcast data at n time, where n and n-k are labels at time, and n and k are positive numbers; or,
a third processing module 713, configured to, according to the scheduling of the access network element, perform sending of PUCCH data when receiving broadcast data, or stop receiving broadcast data, and perform sending of PUCCH data, where the PUCCH data includes channel quality indicator CQI information, service request indicator SRI information, or reference signal RS; or,
a fourth processing module 714, configured to, according to the scheduling of the access network element, not perform sending of the SRS signal when receiving the broadcast data, or stop receiving of the broadcast data, and send the SRS signal.
Referring to the method embodiment of the present invention for the specific working mode of each functional module in the device embodiment of the present invention,
as shown in fig. 8, a dashed box in the figure indicates that the functional module is optional, and when the terminal device executes the first service according to the obtained service scheduling information, the second service is not executed; the scheduling processing unit 71 includes:
a first scheduling module 7111, configured to send PUSCH data when broadcast data is not received according to the service scheduling information, or stop receiving broadcast data and send PUSCH data; or,
a second scheduling module 7112, configured to, according to the service scheduling information, stop sending PUCCH data to an access network element when receiving broadcast data, or stop receiving broadcast data, and send PUCCH data to the access network element, where the PUCCH data includes ACK/NACK messages, quality indicator CQI information, service request indicator SRI information, or a reference signal RS; or,
a third scheduling module 7113, configured to not perform sending of an SRS signal or stop receiving of broadcast data when receiving broadcast data according to the service scheduling information, and send the SRS signal; or,
a fourth scheduling module 7114, configured to send PRACH data on a physical random access channel when broadcast data is not received according to the service scheduling information, or stop receiving broadcast data and send PRACH data.
The embodiment of the invention also provides a communication system which comprises the terminal equipment and the network equipment.
According to the technical scheme provided by the embodiment of the invention, through scheduling processing, the scheduling terminal stops uplink transmission of wireless communication data when receiving the broadcast data, or the scheduling terminal stops reception of the broadcast data and performs uplink transmission of the wireless communication data, so that the problem caused by conflict when the first service and the second service exist simultaneously is avoided, for example, the problem that the reception quality of broadcast is influenced by self-interference generated by LTE data transmitted in the uplink direction on the reception of the broadcast data in the prior art is solved. In addition, the technical scheme of the embodiment of the invention does not need to add extra equipment in the terminal, fully utilizes the existing resources, has low cost consumption and has greater feasibility in practical application.
Those skilled in the art will readily appreciate that the present invention may be implemented in software, coupled with a general purpose hardware platform as required. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (17)
1. A method for scheduling traffic, the method comprising:
acquiring service scheduling information;
according to the service scheduling information, the scheduling terminal does not execute the second service when executing the first service;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
2. The traffic scheduling method according to claim 1,
the method for acquiring the service scheduling information comprises the following steps:
receiving the service scheduling information sent by the terminal; or,
and receiving service indication information sent by a terminal, and acquiring the service scheduling information according to the service indication information.
3. Traffic scheduling method according to claim 1 or 2,
the wireless communication data is data in a long term evolution system LTE, and the broadcast data comprises media stream MediaFLO data, or handheld digital video broadcasting DVB-H data, or multimedia broadcasting multicast service MBMS data, or terrestrial digital multimedia broadcasting DMB data or integrated service digital broadcasting-terrestrial transmission ISDB-T data.
4. The service scheduling method of claim 3, wherein the scheduling the terminal not to execute the second service when executing the first service according to the service scheduling information comprises:
according to the service scheduling information, through a Physical Downlink Control Channel (PDCCH) signaling, a scheduling terminal sends Physical Uplink Shared Channel (PUSCH) data when not receiving broadcast data; or, the scheduling terminal stops receiving the broadcast data and transmits the PUSCH data; or,
according to the service scheduling information, not sending Physical Downlink Shared Channel (PDSCH) data to the terminal at n-k moments so as to avoid the terminal from sending Physical Uplink Control Channel (PUCCH) data at n moments when the terminal needs to receive broadcast data, wherein the PUCCH data comprises Acknowledgement (ACK)/non-acknowledgement (NACK) messages; or the scheduling terminal stops receiving the broadcast data at n time and transmits PDSCH data to the terminal at n-k time, wherein n and n-k are the mark numbers of the time, and n and k are positive numbers; or,
configuring PUCCH data according to the service scheduling information so as to not execute the transmission of the PUCCH data when the scheduling terminal receives the broadcast data; or, the scheduling terminal stops receiving the broadcast data and executes the sending of the PUCCH data, wherein the PUCCH data comprises Channel Quality Indication (CQI) information, Service Request Indication (SRI) information or Reference Signal (RS); or,
according to the service scheduling information, when the scheduling terminal receives the broadcast data, the transmission of the Sounding Reference Signal (SRS) is not executed; alternatively, the scheduling terminal stops reception of the broadcast data and transmits the SRS signal.
5. The service scheduling method according to claim 1 or 2, wherein the service scheduling information is a start time and a duration of the terminal receiving the broadcast data, or the service scheduling information is a start time and a termination time of the terminal receiving the broadcast data.
6. A method for scheduling traffic, the method comprising:
according to the service scheduling information or the scheduling of the access network element, the second service is not executed when the first service is executed;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data, or the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
7. The traffic scheduling method according to claim 6, wherein before the second service is not executed while the first service is executed according to the scheduling of the access network element, the method further comprises:
and sending service scheduling information to the access network element so that the access network element performs scheduling according to the service scheduling information.
8. The method of claim 6 or 7, wherein the performing the second service while the first service is performed according to the scheduling of the access network element comprises:
sending a PDCCH signaling according to an access network element, and sending PUSCH data when not receiving broadcast data, or stopping receiving the broadcast data and sending the PUSCH data; or,
receiving PDSCH data sent by the access network element at n-k moment according to the scheduling of the access network element, stopping receiving broadcast data at n moment, and sending PUCCH data at n moment, wherein the PUCCH data comprises ACK/NACK information, n and n-k are mark numbers of the moment, and n and k are positive numbers; or,
according to the scheduling of the access network element, when receiving broadcast data, not executing the transmission of PUCCH data, or stopping the reception of the broadcast data, and executing the transmission of the PUCCH data, wherein the PUCCH data comprises Channel Quality Indication (CQI) information, Service Request Indication (SRI) information, or Reference Signal (RS); or,
and according to the scheduling of the access network element, when receiving the broadcast data, not executing the sending of the SRS signal, or stopping the receiving of the broadcast data and sending the SRS signal.
9. The traffic scheduling method of claim 6, wherein the not executing the second traffic while executing the first traffic according to the traffic scheduling information comprises:
according to the service scheduling information, when the broadcast data is not received, sending PUSCH data, or stopping receiving the broadcast data and sending the PUSCH data; or,
according to the service scheduling information, receiving broadcast data, and stopping sending PUCCH data to an access network element, or stopping receiving the broadcast data, and sending PUCCH data to the access network element, wherein the PUCCH data comprises acknowledgement/non-acknowledgement ACK/NACK information, Channel Quality Indication (CQI) information, Service Request Indication (SRI) information, or Reference Signal (RS); or,
according to the service scheduling information, when receiving broadcast data, not executing the sending of SRS signals, or stopping the receiving of the broadcast data and sending the SRS signals; or,
and according to the service scheduling information, when the broadcast data is not received, sending the PRACH data of the physical random access channel, or stopping receiving the broadcast data and sending the PRACH data.
10. A network device, characterized in that the network device comprises:
a scheduling information obtaining unit, configured to obtain service scheduling information;
the scheduling unit is used for scheduling the terminal not to execute the second service when executing the first service according to the service scheduling information acquired by the scheduling information acquisition unit;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
11. The network device of claim 10,
the scheduling information acquiring unit includes: the first receiving module is used for receiving the service scheduling information sent by the terminal; or,
the scheduling information acquiring unit includes: the second receiving module is used for receiving the service indication information sent by the terminal; and the second obtaining module is used for obtaining the stored service scheduling information according to the service indication information received by the second receiving module.
12. The network device of claim 10, wherein the scheduling unit comprises:
the first scheduling module is used for transmitting the PUSCH data when the scheduling terminal does not receive the broadcast data through the PDCCH signaling according to the service scheduling information; or, the scheduling terminal stops receiving the broadcast data and transmits the PUSCH data; or,
the second scheduling module is used for not sending Physical Downlink Shared Channel (PDSCH) data to the terminal at n-k moments according to the service scheduling information so as to avoid the terminal from sending Physical Uplink Control Channel (PUCCH) data at n moments when the terminal needs to receive broadcast data, wherein the PUCCH data comprises acknowledgement/non-acknowledgement (ACK/NACK) information; or the scheduling terminal stops receiving the broadcast data at n time and transmits PDSCH data to the terminal at n-k time, wherein n and n-k are the mark numbers of the time, and n and k are positive numbers; or,
a third scheduling module, configured to configure PUCCH data according to the service scheduling information, so that the scheduling terminal does not perform sending of the PUCCH data when receiving broadcast data, or the scheduling terminal stops receiving of the broadcast data and performs sending of the PUCCH data, where the PUCCH data includes channel quality indicator CQI information, service request indicator SRI information, or reference signal RS; or,
and the fourth scheduling module is used for not executing the sending of the SRS signal when the scheduling terminal receives the broadcast data or stopping the receiving of the broadcast data and sending the SRS signal according to the service scheduling information.
13. A terminal device, characterized in that the terminal device comprises:
the scheduling processing unit is used for not executing the second service when executing the first service according to the service scheduling information or the scheduling of the access network element;
the first service is uplink transmission of wireless communication data, and the second service is reception of broadcast data; or, the first service is reception of broadcast data, and the second service is uplink transmission of wireless communication data.
14. The terminal device according to claim 13, wherein the terminal device further comprises:
and the scheduling information sending unit is used for sending the service scheduling information to the access network element so that the access network element performs scheduling according to the service scheduling information.
15. The terminal device according to claim 13, wherein the scheduling processing unit includes:
the first processing module is used for sending a PDCCH signaling according to the access network element, and sending PUSCH data when the broadcast data is not received, or stopping receiving the broadcast data and sending the PUSCH data; or,
a second processing module, configured to receive, according to the scheduling of the access network element, PDSCH data sent by the access network element to the terminal at n-k time, and stop receiving broadcast data at n time, where n and n-k are time labels, and n and k are positive numbers; or,
a third processing module, configured to, according to the scheduling of the access network element, not perform sending of PUCCH data when receiving broadcast data, or stop receiving broadcast data, and perform sending of PUCCH data, where the PUCCH data includes channel quality indicator CQI information, service request indicator SRI information, or reference signal RS; or,
and a fourth processing module, configured to, according to the scheduling of the access network element, not perform sending of the SRS signal when receiving the broadcast data, or stop receiving of the broadcast data, and send the SRS signal.
16. The terminal device of claim 13, wherein the scheduling unit comprises:
a first scheduling module, configured to send PUSCH data when broadcast data is not received according to the service scheduling information, or stop receiving broadcast data and send PUSCH data; or,
a second scheduling module, configured to, according to the service scheduling information, stop sending PUCCH data to an access network element when receiving broadcast data, or stop receiving broadcast data, and send PUCCH data to the access network element, where the PUCCH data includes ACK/NACK (acknowledgement/negative acknowledgement) information, CQI (channel quality indicator) information, SRI (service request indicator) information, or a reference signal RS; or,
a third scheduling module, configured to not perform sending of an SRS signal or stop receiving of broadcast data when receiving broadcast data according to the service scheduling information, and send the SRS signal; or,
and the fourth scheduling module is used for sending the PRACH data of the physical random access channel according to the service scheduling information when the broadcast data is not received, or stopping receiving the broadcast data and sending the PRACH data.
17. A communication system, characterized in that the system comprises a network device according to any of claims 10 to 12 and a terminal device according to any of claims 13 to 16.
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| CN200910158463XA CN101938701A (en) | 2009-06-30 | 2009-06-30 | Service dispatching method, equipment and system |
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