WO2016019580A1 - 缓存状态报告上报方法和装置 - Google Patents
缓存状态报告上报方法和装置 Download PDFInfo
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- WO2016019580A1 WO2016019580A1 PCT/CN2014/084004 CN2014084004W WO2016019580A1 WO 2016019580 A1 WO2016019580 A1 WO 2016019580A1 CN 2014084004 W CN2014084004 W CN 2014084004W WO 2016019580 A1 WO2016019580 A1 WO 2016019580A1
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- bsr
- uplink resource
- base station
- scheduling information
- bsrs
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- 238000000034 method Methods 0.000 title claims abstract description 124
- 230000001960 triggered effect Effects 0.000 claims description 68
- 230000001413 cellular effect Effects 0.000 claims description 52
- 230000005540 biological transmission Effects 0.000 claims description 20
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 238000004891 communication Methods 0.000 description 37
- 230000000737 periodic effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000010267 cellular communication Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000013468 resource allocation Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 230000023402 cell communication Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- 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
- H04W72/02—Selection of wireless resources by user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- 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
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Definitions
- the embodiments of the present invention relate to the field of wireless communication technologies, and in particular, to a method and an apparatus for reporting a buffer status report. Background technique
- D2D communication technology is a technology for direct communication between terminals and terminals.
- the difference between the D2D communication and the cellular communication technology is that the data transmitted by the terminal in the D2D communication does not need to be transmitted through the base station, but is directly transmitted through the air interface between the terminal and the terminal, thereby reducing the delay of data forwarding through the base station.
- a terminal performing D2D communication may be referred to as a D2D device, and a plurality of D2D devices constitute a D2D communication group, and D2D communication is performed between D2D devices in the same D2D communication group.
- the D2D device has two resource scheduling modes, namely, a base station scheduling resource mode (first mode) and an autonomously selected resource mode (second mode).
- first mode the resources used by the D2D device for data transmission are used by the cellular network.
- the base station in the middle station performs scheduling.
- the D2D device needs to report the amount of D2D data waiting to be sent to the base station through the Buffer Status Reposit (BSR).
- BSR Buffer Status Reposit
- the base station schedules the corresponding resources for the D2D device according to the amount of data in the BSR.
- the D2D device also needs to use certain uplink resources to report the BSR to the base station.
- the uplink resource is also allocated by the base station to the D2D device.
- the D2D communication is characterized in that the D2D device may communicate with multiple other D2D devices (or multiple D2D communication groups) at the same time, so the BSR reported by the D2D device may include the D2D device and multiple other D2D devices (or multiple D2D communication).
- the amount of communication data of the group so that the uplink resources required to transmit the D2D BSR are relatively large.
- the uplink resources allocated by the base station for the D2D device to transmit the BSR are limited, so that the D2D device may not be able to send all the BSR information to the base station. Summary of the invention
- the embodiment of the invention provides a method and a device for reporting a buffer status report, which is used to enable the UE to report all BSRs.
- the first aspect provides a user equipment, including:
- a receiving module configured to receive first uplink resource scheduling information that is sent by the base station, where the first uplink resource scheduling information is used to indicate a first uplink resource that is allocated to the UE;
- a processing module configured to determine whether the first uplink resource can carry all BSRs of the UE
- a sending module configured to: if the processing module determines that the first uplink resource cannot bear all BSRs of the UE, Transmitting, by the first uplink resource, a first part of all BSRs of the UE to the base station, where the first part does not include all BSRs of the UE;
- the receiving module is further configured to receive second uplink resource scheduling information that is sent by the base station, where the second uplink resource scheduling information is used to indicate a second uplink resource that is allocated to the UE;
- the sending module is further configured to send, to the base station, a second part of all BSRs of the UE on the second uplink resource.
- the second part includes other parts of all BSRs of the UE except the first part;
- the second part includes all BSRs of the UE.
- the sending module is further configured to receive, by the receiving module, the second Before the uplink resource scheduling information, the indication information that the full BSR is not transmitted is sent to the base station.
- the indication information that the full BSR is not sent includes: at least one of the following information: a remaining indication of the BSR, remaining BSR capacity information.
- the receiving module is specifically configured to receive the base station period The first uplink resource scheduling information that is sent by the sex.
- the processing module is further configured to be used in the receiving module Before receiving the first uplink resource scheduling information sent by the base station, triggering the SR reporting; the sending module is further configured to: after the processing module triggers the SR reporting, send the first SR to the base station, where the SR The report is triggered when the processing module triggers a normal BSR report and no uplink resource is used to send the BSR of the UE.
- the processing module is specifically configured to: when the UE switches from an autonomously selected resource mode to a base station scheduling resource mode, and When the current D2D logical channel of the UE has data waiting for transmission, the conventional BSR is triggered to be reported.
- the sending module is configured to receive, by the UE, a second uplink sent by the base station Before the resource scheduling information, the second SR is sent to the base station.
- the processing module is further configured to: when the sending module is used After the entire BSR of the UE is sent to the base station, the triggered SR report or the regular BSR report is cancelled.
- the processing module is further configured to: when the UE is When the base station scheduling resource mode is switched to the autonomously selected resource mode, the triggered SR reporting for the D2D resource request is canceled, and the SR reporting for the D2D resource request means that there is no uplink resource after the D2D BSR reports the trigger.
- the SR reported by the D2D BSR is sent.
- the processing module is further configured to: when the UE is When the base station scheduling resource mode is switched to the autonomously selected resource mode, the BSR reporting has been cancelled.
- the processing module is further used by the UE
- the base station scheduling resource mode is switched to the autonomous resource selection mode
- the random access procedure for the D2D resource request that is triggered is cancelled, and the random access procedure for the D2D resource request is reported by the D2D BSR.
- the UE does not configure a random access procedure triggered by the physical uplink control channel (PUCCH) that sends the SR; the cancellation has triggered the D2D resource request.
- PUCCH physical uplink control channel
- the random access procedure includes at least one of the following operations: canceling transmission of a preamble code, sending a message 3 (Message 3, MSG3), terminating the random access procedure, and considering the random access The entry process was successfully completed.
- the BSR includes a D2D BSR.
- the second aspect provides a base station, including:
- a sending module configured to send first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate a first uplink resource allocated to the UE;
- a receiving module configured to: if the first uplink resource cannot bear all BSRs of the UE, receive a first part of all BSRs of the UE that are sent by the UE on the first uplink resource, where Part does not include all BSRs of the UE;
- the sending module is further configured to send, to the UE, second uplink resource scheduling information, where the second uplink resource scheduling information is used to indicate a second uplink resource that is allocated to the UE;
- the receiving module is further configured to receive a second part of all BSRs of the UE that are sent by the UE on the second uplink resource;
- the second part includes other parts of all BSRs of the UE except the first part;
- the second part includes all BSRs of the UE.
- the receiving module is further configured to send, by the sending module, a second uplink to the UE Before the resource scheduling information, the indication information of the untransmitted full BSR sent by the UE is received.
- the indication information that the full BSR is not sent includes: at least one of the following information: a remaining indication of the BSR, remaining BSR capacity information.
- the sending module is specifically configured to periodically send to the UE Sending the first uplink resource scheduling information.
- the receiving module is further used in the sending module Before sending the first uplink resource scheduling information to the UE, receiving a first SR sent by the UE, where the first SR is used by the UE to trigger a regular BSR report, and no uplink resource is used for sending When the BSR of the UE is sent, the SR is sent after the report is sent.
- the receiving module is further configured to: before the sending module sends the second uplink resource scheduling information to the UE And receiving the second SR sent by the UE.
- the BSR includes a D2D BSR.
- the third aspect provides a user equipment, including:
- a receiving module configured to receive first uplink resource scheduling information that is sent by the base station, where the first uplink resource scheduling information is used to indicate a first uplink resource that is allocated to the UE;
- a processing module configured to trigger a padding BSR report, and determine, after the first uplink resource carries the uplink data and the MAC PDU, whether the remaining resources can carry all the BSRs of the UE;
- a sending module configured to: if the processing module triggers a padding BSR report, and determines that the first uplink resource carries the uplink data and the MAC PDU, and the remaining resources cannot bear all the BSRs of the UE, according to the preset BSR
- the priority rule sends a BSR to the base station.
- the BSR priority rule includes: the priority of the cellular BSR is higher than the priority of the D2D BSR.
- a fourth aspect provides a base station, including:
- a sending module configured to send first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate a first uplink resource allocated to the UE;
- a receiving module configured to receive, on the first uplink resource, a BSR that is sent by the UE to the base station according to a preset BSR priority rule, where the BSR determines, by the UE, that the uplink resource carries uplink data and a MAC After the PDU, the remaining resources cannot be transmitted after all the BSRs of the UE are carried.
- the BSR priority rule includes: the priority of the cellular BSR is higher than the priority of the D2D BSR.
- the fifth aspect provides a method for reporting a buffer status report, including:
- the UE receives the first uplink resource scheduling information sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE;
- the UE sends a first part of all BSRs of the UE to the base station on the first uplink resource, where the Part does not include all BSRs of the UE;
- Second uplink resource scheduling information that is sent by the base station, where the second uplink resource scheduling information is used to indicate a second uplink resource that is allocated to the UE;
- the second part includes other parts of all BSRs of the UE except the first part;
- the second part includes all BSRs of the UE.
- the method before the receiving, by the UE, the second uplink resource scheduling information sent by the base station, the method further includes: The UE sends the indication information that the full BSR is not transmitted to the base station.
- the indication information that does not send the full BSR includes: at least one of the following information: BSR remaining indication, remaining BSR capacity information.
- the UE receives the first uplink resource scheduling information sent by the base station , including:
- the UE receives the first uplink resource scheduling information sent by the base station Previously, it also included:
- the UE triggers the SR report and sends a first SR to the base station, where the SR report is triggered when the UE triggers a normal BSR report and no uplink resource is used to send the BSR of the UE.
- the UE triggering a normal BSR report including:
- the UE When the UE switches from the autonomously selected resource mode to the base station scheduling resource mode, and the current device-to-device D2D logical channel of the UE has data waiting for transmission, the UE triggers a regular BSR report.
- a seventh possible implementation manner of the fifth aspect before the UE receives the second uplink resource scheduling information sent by the base station, also includes:
- the UE sends a second SR to the base station.
- the method further includes:
- the UE After the UE has sent all the BSRs of the UE to the base station, the UE cancels the triggered SR report or the regular BSR report.
- the method further includes: when the UE is from the When the base station scheduling resource mode is switched to the autonomously selected resource mode, the UE cancels the triggered SR report for the D2D resource request, and the SR report for the D2D resource request is that the D2D BSR does not uplink after the report is triggered.
- the SR is triggered when the resource sends a D2D BSR.
- the method further includes:
- the UE cancels the BSR report that has been triggered.
- the method includes: when the UE is from the When the base station scheduling resource mode is switched to the autonomously selected resource mode, the random access procedure for the D2D resource request is cancelled. The random access procedure for the D2D resource request is not triggered after the D2D BSR is reported.
- the uplink resource sends a D2D BSR and the UE does not configure a random access procedure triggered by the PUCCH that sends the SR; the canceling the random access procedure for the D2D resource request that has been triggered includes at least one of the following operations: The transmission of the Preamble code, the transmission of the MSG3 is cancelled, the random access procedure is terminated, and the random access procedure is considered to be successfully completed.
- the BSR includes a D2D BSR.
- the sixth aspect provides a method for reporting a buffer status report, including:
- the base station sends the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE;
- the base station receives the a first part of all BSRs of the UE that are sent by the UE on the first uplink resource, where the first part does not include all BSRs of the UE;
- the base station sends the second uplink resource scheduling information to the UE, where the second uplink resource scheduling information is used to indicate the second uplink resource allocated to the UE;
- the base station receives a second part of all BSRs of the UE that are sent by the UE on the second uplink resource.
- the second part includes other parts of all BSRs of the UE except the first part;
- the second part includes all BSRs of the UE.
- the method before the sending, by the base station, the second uplink resource scheduling information to the UE, the method further includes:
- the base station receives indication information that is sent by the UE and does not send the full BSR.
- the indication information that does not send the full BSR includes: at least one of the following information: a remaining indication of the BSR, remaining BSR capacity information.
- the base station sends the first uplink resource scheduling information to the UE, Includes:
- the base station periodically sends first uplink resource scheduling information to the UE.
- a fifth possible implementation manner of the sixth aspect before the sending, by the base station, the first uplink resource scheduling information to the UE , also includes:
- the base station receives the first SR sent by the UE, and the first SR is sent after the SR report is triggered when the UE triggers the normal BSR report and the uplink resource is not used to send the BSR of the UE.
- the method before the sending, by the base station, the second uplink resource scheduling information to the UE, the method further includes:
- the base station receives the second SR sent by the UE.
- the BSR includes a D2D BSR.
- the seventh aspect provides a method for reporting a buffer status report, including:
- the UE receives the first uplink resource scheduling information sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE;
- the UE triggers a BSR report, and the first uplink resource carries uplink data and a MAC address.
- the remaining resources cannot carry all the BSRs of the UE, and the UE sends a BSR to the base station according to a preset BSR priority rule.
- the BSR priority rule includes: the priority of the cellular BSR is higher than the priority of the D2D BSR.
- the eighth aspect provides a method for reporting a buffer status report, including:
- the base station sends the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE;
- the base station receives the UE according to the preset BSR priority rule on the first uplink resource.
- the BSR priority rule includes: the priority of the cellular BSR is higher than the priority of the D2D BSR.
- the method and device for reporting a buffer status report after receiving the first uplink resource scheduling information sent by the base station, if the UE cannot send all the BSRs of the UE on the first uplink resource, send all the UEs to the base station.
- the first part of the BSR the base station is configured to allocate a second uplink resource to the UE, and after receiving the second uplink resource scheduling information sent by the base station, the UE sends the second part of all BSRs of the UE to the base station on the second uplink resource. Thereby enabling the UE to send all BSRs to the base station.
- 1 is a flow chart of conventional BSR reporting signaling in an LTE system
- 2 is a flow chart of filling BSR report signaling in an LTE system
- FIG. 7 is a flowchart of Embodiment 1 of a method for reporting a Cache Status Report according to an embodiment of the present invention
- FIG. 8 is a flowchart of Embodiment 2 of a method for reporting a Cache Status Report according to an embodiment of the present invention
- FIG. 10 is a flowchart of Embodiment 4 of a method for reporting a buffer status report according to an embodiment of the present invention.
- FIG. 11 is a fifth embodiment of a method for reporting a status report of a cache according to an embodiment of the present invention.
- FIG. 12 is a flowchart of Embodiment 6 of a method for reporting a buffer status report according to an embodiment of the present invention.
- LTE Long Term Evolution
- BSR regular BSR
- periodic BSR periodic BSR
- padding BSR padding BSR
- UE User Equipment
- eNB Evolved Node B
- FIG. 1 is a flowchart of a conventional BSR report signaling in an LTE system.
- the UE determines that the Scheduling Request (SR) is reported.
- the UE sends the SR information to the eNB.
- the eNB allocates an uplink resource to the UE, and sends uplink resource scheduling information to the UE, where the uplink resource is used by the UE to send the BSR.
- step S104 the UE sends a BSR to the eNB on the uplink resource allocated by the eNB.
- the UE includes a BSR or a Media Access Control (MAC) Protocol Data Unit (PDU) that is uplinked in step S104.
- MAC Media Access Control
- PDU Media Access Control Protocol Data Unit
- step S106 after receiving the BSR sent by the UE, the eNB allocates uplink resources to the UE again, and sends uplink resource scheduling information to the UE, where the uplink resource is used to enable the UE to send uplink data, and the size of the uplink resource is based on The BSR sent by the UE is determined.
- step S201 an eNB allocates an uplink resource to a UE, and sends an uplink resource scheduling request to the UE, where the uplink resource is used for sending data by the UE. .
- step S202 for the resources allocated by the eNB in step S201, if the UE still has uplink resources remaining after carrying the uplink data and the MAC PDU, and the remaining uplink resources can accommodate the BSR and its MAC sub-header, Then, the UE determines to report the padding BSR in the remaining uplink resources.
- step S203 the UE reports the padding BSR to the eNB through the remaining uplink resources.
- step S204 after the eNB receives the padding BSR sent by the UE, the eNB allocates the uplink resource to the UE again, and sends the uplink resource scheduling information to the UE, where the uplink resource is used to enable the UE to send uplink data, and the size of the uplink resource. It is determined according to the padding BSR sent by the UE.
- the periodic BSR reporting mode of the LTE system is that the eNB allocates a certain uplink resource to the UE, and the UE can periodically report the BSR to the eNB on the uplink resource, and the specific implementation manner is not described in detail herein.
- the reported BSR is the BSR of the cellular network. Since the UE performs data transmission only with the eNB in the cellular network, the amount of data sent by the UE to the eNB in a certain period of time does not exceed. Big. In D2D communication, since the D2D device may communicate with multiple other D2D devices at the same time, the amount of data transmitted in a certain time may be large. In the base station scheduling resource mode, the base station allocates the D2D device for the D2D device. The uplink resource that sends the BSR may not be able to carry the BSR of the D2D communication data.
- the BSR of the D2D communication is referred to as a D2D BSR.
- the conventional BSR reporting mode of the LTE system is adopted, referring to FIG. 1, in step S101, when the UE has D2D data waiting to be transmitted and triggers a conventional D2D BSR, if there is no uplink resource, After the D2D BSR is sent, the UE determines to trigger the SR report. If the amount of the D2D communication data of the UE is large, the eNB may not allocate enough uplink resources to the UE in step S103, that is, the UE reports the D2D BSR. Only a part of the D2D BSR can be reported to the eNB in step S104.
- step S105 after the UE detects that the uplink advertised MAC PDU includes the BSR, the triggered SR report will be cancelled.
- the eNB may report that the UE has reported all the reports that need to be reported. BSR, and The uplink resource is not allocated to the UE, so that the UE continues to report the remaining D2D BSRs, which causes a problem that some D2D BSRs cannot be reported.
- step S202 when the UE determines to report the padding BSR, since the cell communication BSR and the D2D BSR exist at the same time, the UE will not be sure which BSR needs to be reported.
- the UE may not report all D2D BSRs on the resources allocated by the eNB for the periodic reporting of the BSR.
- the uplink data of the cellular network is also gradually increased. It is expected that the UE in the cellular network may also fail to report all the BSRs on the uplink resources allocated by the base station for reporting the BSR. In this case, how to report the BSR is also a problem that needs to be solved.
- FIG. 3 is a schematic structural diagram of Embodiment 1 of a user equipment according to an embodiment of the present invention. As shown in FIG. 3, the user equipment in this embodiment includes:
- the receiving module 31 is configured to receive first uplink resource scheduling information that is sent by the base station, where the first uplink resource scheduling information is used to indicate a first uplink resource that is allocated to the UE.
- the UE provided in this embodiment may be a UE in any wireless communication system.
- the receiving module 31 is configured to receive the first uplink resource scheduling information that is sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource that is allocated to the UE, where the first uplink resource is used to carry the UE reporting. BSR.
- the first uplink resource scheduling information received by the receiving module 31 may be It is sent by the base station periodically, or may be sent by the base station after receiving the SR sent by the UE.
- the processing module 32 is configured to determine whether the first uplink resource can carry all BSRs of the UE.
- the processing module 32 determines whether the first uplink resource can carry all the BSRs of the UE. All BSRs of the UE are determined according to the data amount of all uplink data that the UE is waiting to transmit. The larger the amount of data that the UE is waiting to transmit, the larger the BSR of the UE. Therefore, the processing module 32 may determine all BSRs of the UE according to the uplink data to be sent in the buffer of the UE, and determine whether the first uplink resource can carry all the BSRs of the UE.
- the sending module 33 is configured to: if the processing module 32 determines that the first uplink resource cannot bear all the BSRs of the UE, send, in the first uplink resource, the first part of all BSRs of the UE to the base station The first part does not include all BSRs of the UE.
- the sending module 33 may first send the first part of all BSRs of the UE to the base station, where the first part may be in all BSRs of the UE. In any part, the size of the first part does not exceed the size of the BSR that the first uplink resource can carry.
- the sending module 33 since the sending module 33 does not send all the BSRs of the UE to the base station, the sending module 33 also sends the indication information that the full BSR is not sent to the base station, and the base station receives all the BSRs of the UE sent by the sending module 33. After the first part and the indication information of the full BSR are not sent, it can be determined that the UE has not sent the full BSR.
- the receiving module 31 is further configured to receive second uplink resource scheduling information that is sent by the base station, where the second uplink resource scheduling information is used to indicate a second uplink resource that is allocated to the UE.
- the receiving module 31 receives the second uplink resource scheduling information sent by the base station, where the second uplink resource scheduling information is used to indicate the second uplink resource allocated to the UE, where the second uplink resource is used to carry the BSR reported by the UE.
- the sending module 33 is further configured to send, to the base station, a second part of all BSRs of the UE on the second uplink resource.
- the sending module 33 may send the second part of all BSRs of the UE to the base station in the second uplink resource.
- the second uplink resource allocated by the base station to the UE enables the sending module 33 to report all BSRs.
- the sending module 33 sends the second part of all the BSRs of the UE to the base station, and the receiving module 31 And receiving another uplink resource scheduling information sent by the base station, and acquiring another uplink resource scheduled by the base station, until the UE can send all the BSRs of the UE on the uplink resource scheduled by the base station.
- the second portion of all BSRs of the UE includes all but the first portion of all BSRs of the UE. That is to say, the UE does not repeatedly send the BSR that has been sent to the base station.
- the second part of all BSRs of the UE includes all BSRs of the UE.
- the second uplink resource allocated by the base station to the UE needs to be able to carry all the BSRs of the UE.
- the UE after receiving the first uplink resource scheduling information sent by the base station, if the UE cannot send all the BSRs of the UE on the first uplink resource, the UE sends the first part of all the BSRs of the UE to the base station, so that the base station is the UE.
- the second uplink resource is allocated, and after receiving the second uplink resource scheduling information sent by the base station, the UE sends the second part of all the BSRs of the UE to the base station on the second uplink resource, so that the UE can send all the BSRs to the base station.
- the sending module 33 is further configured to: before the receiving module 31 receives the second uplink resource scheduling information sent by the base station, send the untransmitted full part to the base station.
- BSR instructions The indication information that the full BSR is not sent includes: at least one of the following information: a BSR remaining indication, and remaining BSR capacity information.
- the sending module 33 sends the indication information that the full BSR is not sent to the base station, so that the base station can learn that the UE has not transmitted all the BSRs of the UE.
- the indication information that the full BSR is not transmitted includes at least one of BSR remaining indication information and remaining BSR capacity information.
- the BSR residual indication information is used to directly indicate that the UE has not sent the BSR, and the remaining BSR capacity information is used to indicate that the UE does not have the capacity of the transmitted BSR.
- the base station may directly determine, according to the BSR remaining indication information, that the UE does not send the complete BSR.
- the base station may determine, according to the remaining BSR capacity, that the UE does not transmit the full BSR, and determines the capacity of the BSR that the UE has not transmitted. Further, the base station may allocate the second uplink resource to the UE according to the remaining BSR capacity information.
- the second uplink resource may be greater than or equal to the capacity of the remaining BSRs in the remaining BSR capacity information, so that the second part of all BSRs of the UE that the sending module 33 sends on the second uplink resource may be the first part of all BSRs of the UE.
- the other part that is, the sending module 33, can transmit all BSRs when the base station allocates two uplink resources to the UE.
- the second uplink resource is equal to the capacity of the BSR in the remaining BSR capacity information, so that the sending module 33 can perform the reporting of the BSR by using the least uplink resource.
- the receiving module 31 may receive the first uplink resource scheduling information periodically sent by the base station, so that the method for reporting the BSR by the UE is similar to the periodic BSR reporting manner, and is similar to the existing cellular network.
- the periodic BSR reporting method is compatible. If the receiving module 31 receives the first uplink resource scheduling information, and the processing module 32 determines that the first uplink resource can send all the BSRs of the UE, the BSR reporting method of the UE in the embodiment shown in FIG.
- the existing periodic BSR reporting mode of the cellular network is the same.
- the processing module 32 is further configured to: before the receiving module 31 receives the first uplink resource scheduling information sent by the base station, triggering an SR report; and the sending module 33 is further configured to: After the processing module 32 triggers the SR report, the first SR is sent to the base station, and the SR report is triggered when the processing module 32 triggers the normal BSR report and no uplink resource is used to send the BSR of the UE.
- the UE in the embodiment shown in FIG. 3 can also report the BSR by using a BSR reporting method similar to the conventional BSR reporting mode in the cellular network.
- the processing module 32 triggers the SR report before the receiving module 31 receives the first uplink resource scheduling information sent by the base station.
- the sending module 33 sends the first SR to the base station.
- the SR reporting triggered by the processing module 32 is performed when the processing module 32 triggers the regular BSR reporting and there is no uplink resource for transmitting the BSR of the UE.
- the BSR reporting method of the UE is similar to the conventional BSR reporting method of the cellular network shown in FIG. 1. In the embodiment shown in FIG.
- the processing module 32 is specifically used when the UE When the autonomously selected resource mode is switched to the base station scheduling resource mode, and the current D2D logical channel of the UE has data waiting for transmission, the conventional BSR is triggered to be reported. Specifically, the processing module 32 triggers the reporting of the regular BSR.
- one of the methods for the processing module 32 to trigger the normal BSR reporting may be: when the UE switches from the autonomously selected resource mode to the base station scheduling resource.
- the normal BSR report is triggered when the current D2D logical channel of the UE has data waiting for transmission.
- the autonomous selection resource module of the UE indicates that the UE can select the uplink resource used for transmitting the data by itself, without requesting the message from the base station side; the base station scheduling resource mode of the UE indicates that the resources used by the UE are all allocated by the base station.
- the UE does not need to report the BSR to the base station, and can independently select the resource to send the D2D data.
- the base station scheduling resource mode mode the BSR needs to be reported to the base station, and after the base station allocates the uplink resource to the UE, the UE In order to send D2D data.
- the sending module 33 is specifically configured to send the second SR to the base station before receiving, by the receiving module 31, the second uplink resource scheduling information sent by the base station.
- the processing module 32 before the receiving module 31 receives the first uplink resource scheduling information sent by the base station.
- the SR is triggered to be reported, and after the processing module 32 triggers the SR report, the sending module 33 sends the first SR to the base station.
- the sending module 33 sends the second SR to the base station before the receiving module 31 receives the second uplink resource scheduling information sent by the base station.
- the processing module 32 determines that the first uplink resource cannot send all the BSRs of the UE, it determines that the triggered SR report or the regular BSR report is not cancelled, and then sent to the base station.
- the sending module 33 sends the second SR to the base station, which implies that the UE has not sent the full BSR indication information.
- the base station can learn that the UE has not sent the complete BSR, so that the UE can allocate the second uplink resource, so that the UE can continue to send all the UEs to the base station through the second uplink resource. The second part of the BSR.
- the processing module 32 is further configured to cancel the triggered SR report or the normal BSR report after the sending module 33 has sent all the BSRs of the UE to the base station.
- the processing module 32 will cancel the triggered SR report or the regular BSR report. That is, after the UE has sent all the BSRs of the UE to the base station, the UE does not need to send the SR to the base station to request the scheduling of the uplink resource, and the BSR is not required to be sent to the base station, so the processing module 32 will cancel the triggered SR report or the routine.
- the BSR is reported.
- the processing module 32 is further configured to: when the UE switches from the base station scheduling resource mode to the autonomously selected resource mode, cancel the triggered D2D resource request.
- the SR reports that the SR report for the D2D resource request is triggered by the uplink resource that is triggered by the D2D BSR after the D2D BSR is triggered.
- the processing module 32 can cancel the SR reporting for the D2D resource request that has been triggered.
- the SR sent by the UE to the base station is used to enable the base station to allocate resources required for transmitting data to the UE, and the SR report for the D2D resource request is used to enable the base station to schedule resources used by the UE for D2D communication.
- the SR reporting for the D2D resource request refers to the SR report triggered by the UE not transmitting the D2D BSR by using the uplink resource after the D2D BSR of the UE is triggered.
- the processing module 32 is further configured to cancel the BSR report that has been triggered when the UE switches from the base station scheduling resource mode to the autonomously selected resource mode.
- the processing module 32 cancels the BSR report that has been triggered.
- the processing module 32 is further configured to: when the UE switches from the base station scheduling resource mode to the autonomously selected resource mode, cancel the triggered D2D resource request.
- the random access procedure, the random access procedure for the D2D resource request is that the uplink resource does not have an uplink resource to send the D2D BSR after the D2D BSR reports the trigger, and the UE does not have a physical uplink control channel configured to send the SR (Physical Uplink Control) Channel, PUCCH) a random access procedure triggered thereby; canceling the already triggered random access procedure for the D2D resource request, including at least one of the following operations: canceling the transmission of the pilot (Preamble) code, canceling the message 3 (Message 3, MSG3) sends, terminates the random access procedure and considers the random access procedure to be successfully completed.
- SR Physical Uplink Control
- the processing module 32 can cancel the already triggered random access procedure for the D2D resource request.
- the random access procedure of the UE is used to access the base station, and the random access procedure of the UE includes: first sending a pilot code to the base station, then receiving a random access response (message 2) sent by the base station, and then sending a message 3 to the base station. .
- the random access procedure for the D2D resource request is a random access procedure triggered when the D2D BSR reports that the uplink resource does not send the D2D BSR and the UE does not configure the PUCCH that sends the SR.
- the canceling the random access procedure for the D2D resource request that has been triggered includes: canceling the transmission of the pilot code, canceling the transmission of the message 3, suspending the random access procedure, and considering at least one of the successful completion of the random access procedure.
- the BSR includes a D2D BSR.
- a D2D BSR is generated.
- the D2D communication is characterized by a large amount of uplink communication data. Therefore, the capacity of the D2D BSR may be large, and the uplink resources required for the UE to report the D2D BSR are also large.
- the UE in the embodiment shown in FIG. 3 can send all the BSRs of the UE to the base station, thereby solving the problem of reporting the D2D BSR.
- FIG. 4 is a schematic structural diagram of Embodiment 1 of a base station according to an embodiment of the present invention. As shown in FIG. 4, the base station in this embodiment includes:
- the sending module 41 is configured to send the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- the base station provided in this embodiment may be any type of base station in any wireless communication system, as long as the base station has resource scheduling capability.
- the sending module 41 is configured to send the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE, where the first uplink resource is used.
- the BSR reported by the UE is carried.
- the base station of this embodiment further includes a processing module 42.
- the processing module 42 is configured to determine a first uplink resource allocated to the UE.
- the receiving module 43 is configured to: if the first uplink resource cannot bear all the BSRs of the UE, receive the first part of all BSRs of the UE that are sent by the UE on the first uplink resource, The first part does not include all BSRs of the UE. Specifically, after the sending module 41 sends the first uplink resource allocation message to the UE, the UE determines whether the first uplink resource can carry all the BSRs of the UE.
- the receiving module 43 in the base station will receive the first part of all BSRs of the UE that the UE sends on the first uplink resource, where the first part may be any part of all BSRs of the UE, and the size of the first part is not The size of the BSR that can be carried by the first uplink resource is sufficient.
- the sending module 41 is further configured to send the second uplink resource scheduling information to the UE, where the second uplink resource scheduling information is used to indicate a second uplink resource allocated to the UE.
- the receiving module 43 receives the first part of all BSRs of the UE sent by the UE.
- the processing module 42 determines to allocate the second uplink resource to the UE, and the sending module 41 sends the second uplink resource scheduling information to the UE, where the second uplink resource scheduling information is used to indicate the second uplink resource allocated to the UE, where the second uplink resource is used.
- the BSR that is reported by the UE is transmitted, so that the UE can continue to report the BSR on the second uplink resource.
- the receiving module 43 is further configured to receive a second part of all BSRs of the UE that are sent by the UE on the second uplink resource.
- the UE may send the second part of all BSRs of the UE to the base station on the second uplink resource.
- the second uplink resource determined by the processing module 42 enables the UE to report other parts of the entire BSR except the first part, that is, when the receiving module 43 receives all the BSRs sent by the UE on the second uplink resource. After the second part, the UE receives all the BSRs.
- the processing module 42 If the second uplink resource determined by the processing module 42 cannot cause the UE to report other parts of the entire BSR except the first part, the receiving module 43 after processing the second part of all BSRs of the UE that is sent by the receiving UE, the processing module 42 The transmitting module 41 continues to send the uplink resource scheduling information to the UE until the receiving module 43 receives all the BSRs of the UE that the UE sends to the UE.
- the second portion of all BSRs of the UE includes all but the first portion of all BSRs of the UE. That is to say, the UE does not repeatedly send the BSR that has been sent to the base station.
- the second part of all BSRs of the UE includes all BSRs of the UE.
- the second uplink resource allocated by the base station to the UE needs to be able to carry all the BSRs of the UE.
- the base station after the base station sends the first uplink resource scheduling information to the UE, if the first uplink resource cannot bear all the BSRs of the UE, the base station receives the first of all BSRs of the UE sent by the UE. And the second part of all BSRs of the UE that is sent by the base station to the UE after the base station sends the second uplink resource scheduling information to the UE, so that the UE can enable the UE to Send all BSRs to the base station.
- the receiving module 43 is further configured to: before the sending module 41 sends the second uplink resource scheduling information to the UE, receive the indication information that the UE sends the untransmitted full BSR. .
- the indication information that the full BSR is not sent includes: at least one of the following information: a BSR remaining indication, and remaining BSR capacity information.
- the receiving module 43 may further receive the indication information of the untransmitted full BSR sent by the UE.
- the processing module 42 can learn that the UE has not sent the full BSR.
- the indication information of the unsent complete BSR sent by the UE received by the receiving module 43 may include: at least one of BSR remaining indication information and remaining BSR capacity information.
- the BSR residual indication information is used to directly indicate that the UE has not sent the BSR, and the remaining BSR capacity information is used to indicate the capacity of the BSR that has not been sent.
- the base station may determine, according to the remaining indication information of the BSR, that the UE does not send the complete BSR.
- the indication information that the full BSR is not transmitted is the remaining BSR capacity information
- the base station may determine, according to the remaining BSR capacity, that the UE does not transmit the full BSR, and determines the capacity of the BSR that the UE has not transmitted.
- the base station may allocate a second uplink resource to the UE according to the remaining BSR capacity information, where the second uplink resource may be greater than or equal to the capacity of the remaining BSRs in the remaining BSR capacity information, so that the receiving module 43 receives all BSRs of the UE on the second uplink resource.
- the second part of the UE may be other parts of the UE's all BSRs except the first part, that is, the UE may send all the BSRs of the UE when the base station allocates two uplink resources to the UE.
- the second uplink resource is equal to the capacity of the BSR in the remaining BSR capacity information, so that the UE can report the BSR by using the least uplink resource.
- the sending module 41 is specifically configured to periodically report to the
- the UE sends the first uplink resource scheduling information. Therefore, the UE performs BSR reporting in a similar manner to the periodic BSR reporting mode, and is compatible with the existing periodic BSR reporting mode of the cellular network. If the sending module 41 sends the first uplink resource scheduling information to the UE, the UE determines that the first uplink resource can be sent. After the BSR of the UE is completed, the method for reporting the BSR by the UE received by the base station in the embodiment shown in FIG. 4 is the same as that of the existing periodic BSR reporting manner of the cellular network. Further, in the embodiment shown in FIG.
- the receiving module 43 is further configured to receive the first SR sent by the UE, before the sending module 41 sends the first uplink resource scheduling information to the UE, The first SR is sent after the SR is reported to be triggered when the UE triggers the normal BSR report and the uplink resource is not used to send the BSR of the UE.
- the base station of the embodiment shown in FIG. 4 can also receive the BSR reported by the UE by using a BSR reporting method similar to the conventional BSR reporting mode in the cellular network.
- the receiving module 43 first receives the first SR sent by the UE, where the first SR is the UE triggering the regular BSR reporting and no uplink resource is used to send the The BSR of the UE is triggered after the SR is reported. That is, when the UE triggers the normal BSR report, it finds that no uplink resource can be used to send the BSR of the UE, and then triggers the SR report.
- the receiving module 43 receives the first SR sent by the UE, and receives the first SR. After the first SR is sent, the sending module sends the first uplink resource scheduling information to the UE.
- This BSR reporting method is compatible with the conventional BSR reporting method of the cellular network shown in FIG.
- the receiving module 43 is further configured to receive the second SR sent by the UE before the sending module 41 sends the second uplink resource scheduling information to the UE.
- the receiving module 43 sends the first uplink resource scheduling information to the UE before the sending module 41 sends the first uplink resource scheduling information to the UE. And receiving the first SR sent by the UE.
- the receiving module 43 receives the second SR sent by the UE before the sending module sends the second uplink resource scheduling information to the UE.
- the second SR is that after the UE determines that the first uplink resource cannot send all the BSRs of the UE, it is determined that the UE does not cancel the triggered SR report or the regular BSR reports.
- the sending of the second SR by the UE to the base station implies that the UE has not sent the indication information of the full BSR.
- the receiving module 43 can learn that the UE has not sent the complete BSR, and therefore can allocate the second uplink resource to the UE, so that the UE can continue to send the UE to the base station through the second uplink resource.
- the second part of all BSRs are the same.
- the BSR includes a D2D BSR.
- a D2D BSR is generated.
- the D2D communication is characterized by a large amount of uplink communication data. Therefore, the capacity of the D2D BSR may be large, and the uplink resources required for the UE to report the D2D BSR are also large.
- the UE in the embodiment shown in FIG. 4 can receive all BSRs of the UE sent by the UE, thereby solving the problem of reporting the D2D BSR.
- FIG. 5 is a schematic structural diagram of Embodiment 2 of a user equipment according to an embodiment of the present invention. As shown in FIG. 5, the user equipment in this embodiment includes:
- the receiving module 51 is configured to receive first uplink resource scheduling information that is sent by the base station, where the first uplink resource scheduling information is used to indicate a first uplink resource that is allocated to the UE.
- the UE provided in this embodiment may be a UE in any wireless communication system.
- the difference between the UE provided in this embodiment and the UE provided in the embodiment shown in FIG. 3 is that the method used by the UE to perform BSR reporting in the embodiment is similar to the method in the cellular network in which the BSR is reported in FIG. Compatible with populated BSR reporting methods in cellular networks.
- the UE includes a receiving module 51, and the receiving module 51 is configured to receive the first uplink resource scheduling information that is sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource that is allocated to the UE, where the first uplink resource is used to carry the UE.
- the difference between the receiving module 31 and the receiving module 31 in the embodiment shown in FIG. 3 is that, in the embodiment shown in FIG. 3, the first uplink resource allocated by the UE in the first uplink scheduling information received by the receiving module 31 is used to carry the BSR reported by the UE.
- the receiving module 51 is configured to carry uplink data that the UE sends to the base station.
- the processing module 52 is configured to trigger the padding BSR report, and determine whether the remaining resources can carry all the BSRs of the UE after the first uplink resource carries the uplink data and the MAC PDU.
- the processing module 51 first determines whether to trigger the filling of the BSR report. Similar to the embodiment shown in FIG. 2, the padding BSR is carried after the uplink data is sent by the first uplink resource. Among the remaining resources. If the processing module 51 determines to trigger the filling of the BSR report, and the first uplink resource still has remaining resources after carrying the uplink data and the MAC PDU, the UE can send the padding BSR to the base station. The processing module 51 also needs to determine whether the remaining resources of the first uplink resource after carrying the uplink data and the MAC PDU can carry all the BSRs of the UE.
- the sending module 53 is configured to: if the processing module 52 triggers the filling of the BSR report, and determines that the first uplink resource carries the uplink data and the MAC PDU, and the remaining resources cannot bear all the BSRs of the UE, according to the preset BSR priority
- the level rule sends a BSR to the base station.
- the BSR reporting does not need to report all the BSRs, and the UE is in the normal state even if the UE cannot report all the BSRs of the UE in the BSR reporting manner.
- the BSR reports a trigger condition it also triggers the normal BSR report, so that it does not affect the normal data transmission. Therefore this implementation
- the UE provided by the example does not need to send all BSRs of the UE to the base station.
- the sending module 53 will be based on the preset BSR priority.
- the rule sends a BSR to the base station.
- the priority rule of the BSR may be preset in the UE.
- the priority rule of the BSR is, for example, prioritized and sorted according to the characteristics of the data represented by the BSR, for example, preferentially transmitting the cellular BSR generated by the cellular network communication, and then transmitting the D2D generated by the D2D communication. BSR.
- the sending module 53 can send a part of all BSRs on the first uplink resource according to a preset priority rule.
- the UE after the UE receives the first uplink resource scheduling information sent by the base station, if the padding BSR report is triggered, and the UE determines that the first uplink resource is carrying the uplink data and the MAC PDU, the remaining resources cannot carry the UE.
- the UE reports the BSR to the base station according to the preset priority rule, so that the UE can correctly send the BSR to the base station when the padding BSR report is triggered.
- the BSR priority rule includes: The priority of the cellular BSR is higher than the priority of the D2D BSR. That is, when the UE triggers the padding BSR report, if the cell BSR and the D2D BSR are both present, the UE preferentially reports the cell BSR.
- the sending module 53 sends a BSR to the base station according to the preset priority rule.
- the all BSRs of the UE include a cellular BSR and a D2D BSR, and the UE performs cellular network communication and D2D communication simultaneously.
- the sending module 53 preferentially sends the cellular BSR to the base station, that is, if the amount of data reported by the cellular BSR is 0, the sending module 53 preferentially sends the D2D BSR to the base station on the first uplink resource; if the amount of data reported by the cellular BSR is not 0, Then, the sending module 53 preferentially sends the cellular BSR to the base station on the first uplink resource.
- FIG. 6 is a schematic structural diagram of Embodiment 2 of a base station according to an embodiment of the present invention. As shown in FIG. 6, the base station in this embodiment includes:
- the sending module 61 is configured to send the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- the base station provided in this embodiment may be any type of base station in any wireless communication system, as long as the base station has resource scheduling capability.
- the sending module 61 is configured to send the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE, where the first uplink resource is used. Bearer sent by the UE Upstream data.
- the base station of this embodiment further includes a processing module 63, and the processing module 63 is configured to determine a first uplink resource allocated for the UE.
- the receiving module 62 is configured to receive, on the first uplink resource, a BSR that is sent by the UE to the base station according to a preset BSR priority rule, where the BSR determines, by the UE, the uplink resource to carry uplink data and After the MAC PDU, the remaining resources cannot be transmitted after all the BSRs of the UE are carried.
- the base station in this embodiment is configured to receive the BSR reported by the UE in the embodiment shown in FIG. Since the UE in the embodiment shown in FIG. 5 uses a cellular network to fill the BSR reporting manner, as shown in FIG. 2, the UE not only transmits the BSR but also sends the uplink data on the first uplink resource.
- the receiving module 63 receives the uplink data sent by the UE on the first uplink resource, and receives the BSR sent by the UE.
- the processing module 63 determines the BSR to determine whether it is a cellular BSR or a D2D BSR. If the BSR received by the receiving module 63 is a D2D BSR, the processing module 62 determines that the amount of cellular BSR data corresponding to the UE is 0, that is, the UE does not wait for the transmitted cellular network communication data.
- the UE after the UE receives the first uplink resource scheduling information sent by the base station, if the BSR is triggered, and the UE determines that the first uplink resource is carrying the uplink data and the MAC PDU, the remaining resources cannot carry all the UEs.
- the UE reports the BSR to the base station according to the preset priority rule, so that the UE can correctly send the BSR to the base station when the padding BSR report is triggered.
- the BSR priority rule includes: The priority of the cellular BSR is higher than the priority of the D2D BSR.
- FIG. 7 is a flowchart of Embodiment 1 of a method for reporting a buffer status report according to an embodiment of the present invention. As shown in FIG. 7, the method in this embodiment includes:
- Step S701 The UE receives the first uplink resource scheduling information sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- Step S702 If the first uplink resource cannot bear all the BSRs of the UE, the UE sends the first part of all BSRs of the UE to the base station on the first uplink resource, where The first part does not include all BSRs of the UE.
- Step S703 the UE receives second uplink resource scheduling information sent by the base station, where The second uplink resource scheduling information is used to indicate a second uplink resource allocated to the UE.
- Step S704 the UE sends a second part of all BSRs of the UE to the base station on the second uplink resource.
- the method for reporting the status of the cache status report in this embodiment is used to complete the processing of the user equipment shown in FIG. 3, and the implementation principle and technical effects are similar, and details are not described herein again.
- the second part includes other parts of all BSRs of the UE except the first part; or the second part includes all of the UE
- the method before the UE receives the second uplink resource scheduling information sent by the base station, the method further includes: sending, by the UE, the indication information that the complete BSR is not sent to the base station.
- the indication information that the full BSR is not transmitted includes: at least one of the following information: a BSR remaining indication, and remaining BSR capacity information.
- the receiving, by the UE, the first uplink resource scheduling information sent by the base station includes: receiving, by the UE, the first uplink resource scheduling information periodically sent by the base station.
- FIG. 8 is a flowchart of Embodiment 2 of a method for reporting a buffer status report according to an embodiment of the present invention. As shown in FIG. 8, the method in this embodiment includes:
- Step S801 The UE triggers the SR report and sends a first SR to the base station, where the SR is triggered when the UE triggers a normal BSR report and no uplink resource is used to send the BSR of the UE.
- Step S802 The UE receives the first uplink resource scheduling information sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- Step S803 if the first uplink resource cannot bear all the BSRs of the UE, the UE sends a first part of all BSRs of the UE to the base station on the first uplink resource, where The first part does not include all BSRs of the UE.
- Step S804 The UE receives the second uplink resource scheduling information that is sent by the base station, where the second uplink resource scheduling information is used to indicate the second uplink resource that is allocated to the UE.
- Step S805 The UE sends a second part of all BSRs of the UE to the base station on the second uplink resource.
- the UE triggers a regular BSR report, including: When the UE switches from the autonomously selected resource mode to the base station scheduling resource mode, and the current D2D logical channel of the UE has data waiting for transmission, the UE triggers a regular BSR report.
- the method before the UE receives the second uplink resource scheduling information sent by the base station, the method further includes:
- the UE sends a second SR to the base station.
- the UE cancels the triggered SR report or the regular BSR report.
- the UE when the UE switches from the base station scheduling resource mode to the autonomously selected resource mode, the UE cancels the triggered SR reporting for the D2D resource request.
- the SR reporting for the D2D resource request is triggered by the SR message that is triggered by the D2D BSR after the D2D BSR reports the trigger.
- the UE when the UE switches from the base station scheduling resource mode to the autonomously selected resource mode, the UE cancels the BSR report that has been triggered.
- the random access procedure for the D2D resource request is a random access procedure triggered by the D2D BSR after the D2D BSR reports that the uplink resource does not send the D2D BSR, and the UE does not configure the PUCCH that sends the SR; the cancellation has been triggered.
- the random access procedure for the D2D resource request includes at least one of the following operations: canceling the transmission of the Preamble code, canceling the transmission of the MSG3, terminating the random access procedure, and considering that the random access procedure is successfully completed.
- the BSR includes a D2D BSR.
- FIG. 9 is a flowchart of Embodiment 3 of a method for reporting a buffer status report according to an embodiment of the present invention. As shown in FIG. 9, the method in this embodiment includes:
- Step S901 The base station sends the first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- Step S902 If the first uplink resource cannot bear all the BSRs of the UE, the base station receives the first part of all BSRs of the UE that are sent by the UE on the first uplink resource, where The first part does not include all BSRs of the UE.
- Step S903 The base station sends second uplink resource scheduling information to the UE, where the second uplink resource scheduling information is used to indicate a second uplink resource allocated to the UE.
- Step S904 the base station receives a second part of all BSRs of the UE that are sent by the UE on the second uplink resource.
- the method for reporting the status of the buffering of the present embodiment is used to complete the processing of the base station shown in FIG. 4, and the implementation principle and technical effects are similar, and details are not described herein again.
- the second part includes other parts of all BSRs of the UE except the first part; or the second part includes all BSRs of the UE.
- the method before the base station sends the second uplink resource scheduling information to the UE, the method further includes:
- the base station receives indication information that is sent by the UE and does not send the full BSR.
- the indication information that the full BSR is not transmitted includes: at least one of the following information: a BSR remaining indication, and remaining BSR capacity information.
- the sending, by the base station, the first uplink resource scheduling information to the UE includes: the base station periodically sending the first uplink resource scheduling information to the UE.
- FIG. 10 is a flowchart of Embodiment 4 of a method for reporting a buffer status report according to an embodiment of the present invention. As shown in FIG. 10, the method in this embodiment includes:
- Step S1001 The base station receives the first SR sent by the UE, where the first SR is sent after the SR is reported to be triggered when the UE triggers the normal BSR report and the uplink resource is used to send the BSR of the UE.
- Step S1002 The base station sends first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- Step S1003 If the first uplink resource cannot bear all the BSRs of the UE, the base station receives the first part of all BSRs of the UE that are sent by the UE on the first uplink resource, where The first part does not include all BSRs of the UE.
- Step S1004 The base station sends second uplink resource scheduling information to the UE, where the second uplink resource scheduling information is used to indicate a second uplink resource allocated to the UE.
- Step S1005 The base station receives a second part of all BSRs of the UE that are sent by the UE on the second uplink resource.
- the method before the sending, by the base station, the second uplink resource scheduling information to the UE, the method further includes: Receiving, by the base station, a second SR sent by the UE
- the BSR includes a D2D BSR.
- FIG. 11 is a flowchart of Embodiment 5 of a method for reporting a buffer status report according to an embodiment of the present invention. As shown in FIG. 11, the method in this embodiment includes:
- Step S1101 The UE receives the first uplink resource scheduling information sent by the base station, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- Step S1102 If the UE triggers the padding BSR report, and the first uplink resource carries the uplink data and the MAC PDU, and the remaining resources cannot bear all the BSRs of the UE, the UE is preferentially based on the preset BSR.
- the level rule sends a BSR to the base station.
- the method for reporting the status of the cached state report in this embodiment is used to complete the processing of the user equipment shown in FIG. 5, and the implementation principle and technical effects are similar, and details are not described herein again.
- the BSR priority rule includes: The priority of the cellular BSR is higher than the priority of the device to the device D2D BSR.
- all the BSRs of the UE include a cellular BSR and a D2D BSR, and the UE sends a BSR to the base station according to a preset BSR priority rule, including: if the cellular BSR If the amount of data reported is 0, the UE preferentially sends the D2D BSR to the base station on the first uplink resource; if the amount of data reported by the cellular BSR is not 0, the UE preferentially Transmitting the cellular BSR to the base station on the first uplink resource.
- FIG. 12 is a flowchart of Embodiment 6 of a method for reporting a Cache Status Report according to an embodiment of the present invention. As shown in FIG. 12, the method in this embodiment includes:
- Step S1201 The base station sends first uplink resource scheduling information to the UE, where the first uplink resource scheduling information is used to indicate the first uplink resource allocated to the UE.
- Step S1202 After the uplink resource carries the uplink data and the MAC PDU, the remaining resources cannot carry all the BSRs of the UE, and the base station receives the UE according to the preset BSR priority on the first uplink resource.
- the BSR sent by the level rule to the base station.
- the method for reporting the status of the buffering of the present embodiment is used to complete the processing of the base station shown in FIG. 6.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the BSR priority rule includes: The priority of the cellular BSR is higher than the priority of the D2D BSR.
- the base station determines that the amount of cellular BSR data corresponding to the UE is 0.
- the receiving module 31 or the receiving module 51 in the embodiment of the present invention may correspond to the receiver of the user equipment, and may also correspond to the transceiver of the user equipment.
- the processing module 32 or the processing module 52 may correspond to a processor of the user equipment, where the processor may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or may be implemented.
- the sending module 33 or the sending module 53 may correspond to the transmitter of the user equipment or may correspond to the transceiver of the user equipment.
- the user equipment may further comprise a memory for storing the instruction code, the processor invoking the instruction code of the memory, controlling the receiving module 31 or the receiving module 51 or the transmitting module 33 or the transmitting module 53 in the embodiment of the invention to perform the above operation.
- the transmitting module 41 or the transmitting module 61 in the embodiment of the present invention may correspond to a transmitter of a base station, or may correspond to a transceiver of a base station.
- Processing module 42 or processing module 63 may correspond to a processor of a base station, where the processor may be a CPU, or an ASIC, or one or more integrated circuits implementing embodiments of the present invention.
- the receiving module 43 or the receiving module 62 may correspond to a receiver of the base station or may correspond to a transceiver of the base station.
- the base station may further include a memory for storing the instruction code, the processor invoking the instruction code of the memory, controlling the transmission module 41 or the transmission module 61 or the receiving module 43 or the receiving module 62 in the embodiment of the present invention to perform the above operation.
- the aforementioned program can be stored in a computer readable storage medium.
- the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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EP14899215.9A EP3163962B1 (en) | 2014-08-08 | 2014-08-08 | Method and device for reporting buffer status report |
BR112017002410-1A BR112017002410B1 (pt) | 2014-08-08 | Método e equipamento de usuário para relatar relatório de situação de armazenamento temporário | |
CN201480003423.7A CN105519214B (zh) | 2014-08-08 | 2014-08-08 | 缓存状态报告上报方法和装置 |
MX2017001790A MX365254B (es) | 2014-08-08 | 2014-08-08 | Método y aparato para reportar el reporte de estado de memoria intermedia. |
RU2017107129A RU2666620C1 (ru) | 2014-08-08 | 2014-08-08 | Способ и устройство для сообщения отчета о состоянии буфера |
KR1020177006530A KR101990478B1 (ko) | 2014-08-08 | 2014-08-08 | 버퍼 상태 리포트를 보고하는 방법 및 장치 |
PCT/CN2014/084004 WO2016019580A1 (zh) | 2014-08-08 | 2014-08-08 | 缓存状态报告上报方法和装置 |
JP2017506849A JP6399328B2 (ja) | 2014-08-08 | 2014-08-08 | バッファ状態報告を報告するための方法および装置 |
ZA2017/00692A ZA201700692B (en) | 2014-08-08 | 2017-01-27 | Method and apparatus for reporting buffer status report |
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US16/860,806 US11102799B2 (en) | 2014-08-08 | 2020-04-28 | Method and apparatus for reporting buffer status report |
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CN105519214A (zh) | 2016-04-20 |
EP3163962A4 (en) | 2017-08-02 |
BR112017002410A2 (pt) | 2018-06-19 |
EP3163962A1 (en) | 2017-05-03 |
US20170150512A1 (en) | 2017-05-25 |
CN105519214B (zh) | 2020-05-01 |
ZA201700692B (en) | 2018-05-30 |
JP6399328B2 (ja) | 2018-10-03 |
KR101990478B1 (ko) | 2019-06-18 |
MX2017001790A (es) | 2017-05-23 |
RU2666620C1 (ru) | 2018-09-11 |
JP2017527206A (ja) | 2017-09-14 |
EP3163962B1 (en) | 2020-06-10 |
US20200260468A1 (en) | 2020-08-13 |
US11102799B2 (en) | 2021-08-24 |
MX365254B (es) | 2019-05-28 |
US10667283B2 (en) | 2020-05-26 |
KR20170039752A (ko) | 2017-04-11 |
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