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 PDF

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Publication number
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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WO
WIPO (PCT)
Prior art keywords
bsr
uplink resource
base station
scheduling information
bsrs
Prior art date
Application number
PCT/CN2014/084004
Other languages
English (en)
French (fr)
Inventor
曹振臻
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR1020177006530A priority Critical patent/KR101990478B1/ko
Priority to EP14899215.9A priority patent/EP3163962B1/en
Priority to BR112017002410-1A priority patent/BR112017002410B1/pt
Priority to CN201480003423.7A priority patent/CN105519214B/zh
Priority to MX2017001790A priority patent/MX365254B/es
Priority to RU2017107129A priority patent/RU2666620C1/ru
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/084004 priority patent/WO2016019580A1/zh
Priority to JP2017506849A priority patent/JP6399328B2/ja
Publication of WO2016019580A1 publication Critical patent/WO2016019580A1/zh
Priority to ZA2017/00692A priority patent/ZA201700692B/en
Priority to US15/426,773 priority patent/US10667283B2/en
Priority to US16/860,806 priority patent/US11102799B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/0278Traffic management, e.g. flow control or congestion control using buffer status reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/25Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/18Interfaces between hierarchically similar devices between terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-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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Abstract

本发明提供一种缓存状态报告上报方法、用户设备和基站,其中该用户设备(UE)包括:接收模块,用于接收基站发送的第一上行资源调度信息,所述第一上行资源调度信息用于指示为所述UE分配的第一上行资源;处理模块,用于确定所述第一上行资源是否能承载所述UE的全部缓存状态报告(BSR);发送模块,用于若所述处理模块确定所述第一上行资源不能承载所述UE的全部BSR,则在所述第一上行资源上向所述基站发送所述UE的全部BSR中的第一部分,所述第一部分不包括所述UE的全部BSR;接收模块,还用于接收所述基站发送的第二上行资源调度信息,所述第二上行资源调度信息用于指示为所述UE分配的第二上行资源;所述发送模块,还用于在所述第二上行资源上向所述基站发送所述UE的全部BSR的第二部分。

Description

缓存状态报告上报方法和装置
技术领域
本发明实施例涉及无线通信技术领域, 尤其涉及一种缓存状态报告上报 方法和装置。 背景技术
设备到设备 (Device to Device, D2D ) 通信技术是一种终端与终端之间 直接通信的技术。 D2D通信与蜂窝通信技术的区别在于, D2D通信中终端发 送的数据不需要经过基站的传输, 而是直接通过终端和终端之间的空口进行 传输, 从而减少了数据通过基站转发的时延。
进行 D2D通信的终端可以称为 D2D设备,多个 D2D设备组成一个 D2D 通信组, 同一个 D2D通信组中的 D2D设备之间进行 D2D通信。 D2D设备有 两种资源调度模式, 分别为基站调度资源模式 (第一模式) 和自主选择资源 模式 (第二模式) , 在基站调度资源模式中, D2D设备进行数据传输所使用 的资源由蜂窝网络中的基站进行调度。 D2D 设备需要通过缓存状态报告 (Buffer Status Repot, BSR) 将等待发送的 D2D数据量上报给基站, 基站根 据 BSR中的数据量为 D2D设备调度相应的资源。而 D2D设备向基站上报 BSR 也需要使用一定的上行资源, 该上行资源同样由基站分配给 D2D设备。
D2D通信的特点在于, D2D设备可能同时与多个其他 D2D设备 (或者 多个 D2D通信组) 进行通信, 因此 D2D设备上报的 BSR可能包括该 D2D 设备与多个其他 D2D设备 (或者多个 D2D通信组) 的通信数据量, 从而导 致发送该 D2D BSR所需的上行资源相对较大。在基站调度资源模式中, 基站 为 D2D设备分配的用于发送 BSR的上行资源是有限的, 从而导致 D2D设备 可能无法向基站发送全部的 BSR信息。 发明内容
本发明实施例提供一种缓存状态报告上报方法和装置, 用于使 UE上报 全部 BSR。 第一方面提供一种用户设备, 包括:
接收模块, 用于接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为所述 UE分配的第一上行资源;
处理模块,用于确定所述第一上行资源是否能承载所述 UE的全部 BSR; 发送模块,用于若所述处理模块确定所述第一上行资源不能承载所述 UE 的全部 BSR, 则在所述第一上行资源上向所述基站发送所述 UE的全部 BSR 中的第一部分, 所述第一部分不包括所述 UE的全部 BSR;
所述接收模块, 还用于接收所述基站发送的第二上行资源调度信息, 所 述第二上行资源调度信息用于指示为所述 UE分配的第二上行资源;
所述发送模块, 还用于在所述第二上行资源上向所述基站发送所述 UE 的全部 BSR中的第二部分。
结合第一方面, 在第一方面第一种可能的实现方式中, 所述第二部分包 括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
结合第一方面或第一方面第一种可能的实现方式, 在第一方面第二种可 能的实现方式中, 所述发送模块, 还用于在所述接收模块接收所述基站发送 的第二上行资源调度信息之前, 向所述基站发送未发送完全部 BSR的指示信 息。
结合第一方面第二种可能的实现方式, 在第一方面第三种可能的实现方 式中, 所述未发送完全部 BSR的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
结合第一方面至第一方面第三种可能的实现方式中任一种可能的实现方 式, 在第一方面第四种可能的实现方式中, 所述接收模块, 具体用于接收所 述基站周期性发送的所述第一上行资源调度信息。
结合第一方面至第一方面第三种可能的实现方式中任一种可能的实现方 式, 在第一方面第五种可能的实现方式中, 所述处理模块, 还用于在所述接 收模块接收所述基站发送的所述第一上行资源调度信息之前, 触发 SR上报; 所述发送模块, 还用于在所述处理模块触发 SR上报后, 向所述基站发 送第一 SR,所述 SR上报为所述处理模块触发常规 BSR上报且没有上行资源 用于发送所述 UE的 BSR时触发的。 结合第一方面第五种可能的实现方式, 在第一方面第六种可能的实现方 式中, 所述处理模块, 具体用于当所述 UE从自主选择资源模式切换到基站 调度资源模式, 且所述 UE的当前 D2D逻辑信道有数据等待传输时, 触发 常规 BSR上报。
结合第一方面第五种或第六种可能的实现方式, 在第一方面第七种可能 的实现方式中, 所述发送模块, 具体用于在所述 UE接收所述基站发送的第 二上行资源调度信息之前, 向所述基站发送第二 SR。
结合第一方面第五种至第七种可能的实现方式中任一种可能的实现方 式, 在第一方面第八种可能的实现方式中, 所述处理模块, 还用于当所述发 送模块已经向所述基站发送所述 UE的全部 BSR后, 取消已经触发的 SR上 报或者常规 BSR上报。
结合第一方面第五种至第七种可能的实现方式中任一种可能的实现方 式, 在第一方面第九种可能的实现方式中, 所述处理模块, 还用于当所述 UE 从所述基站调度资源模式切换到所述自主选择资源模式时, 取消已经触发的 用于 D2D资源请求的 SR上报, 所述用于 D2D资源请求的 SR上报是指当 D2D BSR上报触发后没有上行资源发送 D2D BSR而触发的 SR上报。
结合第一方面至第一方面第七种可能的实现方式中任一种可能的实现方 式, 在第一方面第十种可能的实现方式中, 所述处理模块, 还用于当所述 UE 从所述基站调度资源模式切换到所述自主选择资源模式时, 取消已经触发的 BSR上报。
结合第一方面至第一方面第七种可能的实现方式中任一种可能的实现方 式, 在第一方面第十一种可能的实现方式中, 所述处理模块, 还用于当所述 UE从所述基站调度资源模式切换到所述自主选择资源模式时,取消已经触发 的用于 D2D资源请求的随机接入过程, 所述用于 D2D资源请求的随机接入 过程是指当 D2D BSR上报触发后没有上行资源发送 D2D BSR并且所述 UE 没有配置发送 SR的物理上行链路控制信道(Physical Uplink Control Channel, PUCCH) 从而触发的随机接入过程; 所述取消已经触发的用于 D2D 资源请 求的随机接入过程, 包括至少以下操作中的一种: 取消导频 (Preamble) 码 的发送、 取消消息 3 (Message 3 , MSG3 ) 的发送、 终止所述随机接入过程并 认为所述随机接入过程成功完成。 结合第一方面至第一方面第十一种可能的实现方式中任一种可能的实现 方式, 在第一方面第十二种可能的实现方式中, 所述 BSR包括 D2D BSR。
第二方面提供一种基站, 包括:
发送模块, 用于向 UE发送第一上行资源调度信息, 所述第一上行资源 调度信息用于指示为所述 UE分配的第一上行资源;
接收模块, 用于若所述第一上行资源不能承载所述 UE的全部 BSR, 则 接收所述 UE在所述第一上行资源上发送的所述 UE的全部 BSR中的第一部 分, 所述第一部分不包括所述 UE的全部 BSR;
所述发送模块, 还用于向所述 UE发送第二上行资源调度信息, 所述第 二上行资源调度信息用于指示为所述 UE分配的第二上行资源;
所述接收模块, 还用于接收所述 UE在所述第二上行资源上发送的所述 UE的全部 BSR中的第二部分;
处理模块, 用于为所述 UE分配所述第一上行资源和所述第二上行资源。 结合第二方面, 在第二方面第一种可能的实现方式中, 所述第二部分包 括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
结合第二方面或第二方面第一种可能的实现方式, 在第二方面第二种可 能的实现方式中, 所述接收模块, 还用于在所述发送模块向所述 UE发送第 二上行资源调度信息之前, 接收所述 UE发送的未发送完全部 BSR的指示信 息。
结合第二方面第二种可能的实现方式, 在第二方面第三种可能的实现方 式中, 所述未发送完全部 BSR的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
结合第二方面至第二方面第三种可能的实现方式中任一种可能的实现方 式, 在第二方面第四种可能的实现方式中, 所述发送模块, 具体用于周期性 向所述 UE发送第一上行资源调度信息。
结合第二方面至第二方面第三种可能的实现方式中任一种可能的实现方 式, 在第二方面第五种可能的实现方式中, 所述接收模块, 还用于在所述发 送模块向所述 UE发送所述第一上行资源调度信息之前,接收所述 UE发送的 第一 SR,所述第一 SR为所述 UE触发常规 BSR上报且没有上行资源用于发 送所述 UE的 BSR时触发 SR上报后发送的。
结合第二方面第五种可能的实现方式, 在第二方面第六种可能的实现方 式中, 所述接收模块, 还用于在所述发送模块向所述 UE发送第二上行资源 调度信息之前, 接收所述 UE发送的第二 SR。
结合第二方面至第二方面第六种可能的实现方式中任一种可能的实现方 式, 在第二方面第七种可能的实现方式中, 所述 BSR包括 D2D BSR。
第三方面提供一种用户设备, 包括:
接收模块, 用于接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为 UE分配的第一上行资源;
处理模块, 用于触发填充 BSR上报, 且确定所述第一上行资源承载上行 数据和 MAC PDU后, 剩余的资源是否能承载所述 UE的全部 BSR;
发送模块, 用于若所述处理模块触发填充 BSR上报, 且确定所述第一上 行资源在承载上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全 部 BSR, 则根据预设的 BSR优先级规则向所述基站发送 BSR。
结合第三方面, 在第三方面第一种可能的实现方式中, 所述 BSR优先级 规则包括: 蜂窝 BSR的优先级高于 D2D BSR的优先级。
第四方面提供一种基站, 包括:
发送模块, 用于向 UE发送第一上行资源调度信息, 所述第一上行资源 调度信息用于指示为所述 UE分配的第一上行资源;
接收模块, 用于在所述第一上行资源上接收所述 UE根据预设的 BSR优 先级规则向所述基站发送的 BSR, 所述 BSR为所述 UE确定所述上行资源承 载上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全部 BSR后发 送的。
结合第四方面, 在第四方面第一种可能的实现方式中, 所述 BSR优先级 规则包括: 蜂窝 BSR的优先级高于 D2D BSR的优先级。
第五方面提供一种缓存状态报告上报方法, 包括:
UE接收基站发送的第一上行资源调度信息,所述第一上行资源调度信息 用于指示为所述 UE分配的第一上行资源;
若所述第一上行资源不能承载所述 UE的全部 BSR, 则所述 UE在所述 第一上行资源上向所述基站发送所述 UE的全部 BSR中的第一部分, 所述第 一部分不包括所述 UE的全部 BSR;
所述 UE接收所述基站发送的第二上行资源调度信息, 所述第二上行资 源调度信息用于指示为所述 UE分配的第二上行资源;
所述 UE在所述第二上行资源上向所述基站发送所述 UE的全部 BSR中 的第二部分。
结合第五方面, 在第五方面第一种可能的实现方式中, 所述第二部分包 括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
结合第五方面或第五方面第一种可能的实现方式, 在第五方面第二种可 能的实现方式中, 所述 UE接收所述基站发送的第二上行资源调度信息之前, 还包括: 所述 UE向所述基站发送未发送完全部 BSR的指示信息。
结合第五方面第二种可能的实现方式, 在第五方面第三种可能的实现方 式中, 所述未发送完全部 BSR的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
结合第五方面至第五方面第三种可能的实现方式中任一种可能的实现方 式, 在第五方面第四种可能的实现方式中, 所述 UE接收基站发送的第一上 行资源调度信息, 包括:
所述 UE接收所述基站周期性发送的所述第一上行资源调度信息。
结合第五方面至第五方面第三种可能的实现方式中任一种可能的实现方 式, 在第五方面第五种可能的实现方式中, 所述 UE接收基站发送的第一上 行资源调度信息之前, 还包括:
所述 UE触发 SR上报并向所述基站发送第一 SR, 所述 SR上报为所述 UE触发常规 BSR上报且没有上行资源用于发送所述 UE的 BSR时触发的。
结合第五方面第五种可能的实现方式, 在第五方面第六种可能的实现方 式中, 所述 UE触发常规 BSR上报, 包括:
当所述 UE从自主选择资源模式切换到基站调度资源模式, 且所述 UE 的当前设备到设备 D2D逻辑信道有数据等待传输时,所述 UE触发常规 BSR 上报。
结合第五方面第五种或第六种可能的实现方式, 在第五方面第七种可能 的实现方式中, 所述 UE接收所述基站发送的第二上行资源调度信息之前, 还包括:
所述 UE向所述基站发送第二 SR。
结合第五方面第五种至第七种可能的实现方式中任一种可能的实现方 式, 在第五方面第八种可能的实现方式中, 所述方法还包括:
当所述 UE已经向所述基站发送所述 UE的全部 BSR后, 所述 UE取消 已经触发的 SR上报或者常规 BSR上报。
结合第五方面第五种至第七种可能的实现方式中任一种可能的实现方 式, 在第五方面第九种可能的实现方式中, 所述方法还包括: 当所述 UE从 所述基站调度资源模式切换到所述自主选择资源模式时, 所述 UE取消已经 触发的用于 D2D资源请求的 SR上报, 所述用于 D2D资源请求的 SR上报是 指当 D2D BSR上报触发后没有上行资源发送 D2D BSR而触发的 SR上报。
结合第五方面至第五方面第七种可能的实现方式中任一种可能的实现方 式, 在第五方面第十种可能的实现方式中, 所述方法还包括:
当所述 UE从所述基站调度资源模式切换到所述自主选择资源模式时, 所述 UE取消已经触发的 BSR上报。
结合第五方面至第五方面第七种可能的实现方式中任一种可能的实现方 式, 在第五方面第十一种可能的实现方式中, 所述方法包括: 当所述 UE从 所述基站调度资源模式切换到所述自主选择资源模式时, 取消已经触发的用 于 D2D资源请求的随机接入过程, 所述用于 D2D资源请求的随机接入过程 是指当 D2D BSR上报触发后没有上行资源发送 D2D BSR并且所述 UE没有 配置发送 SR的 PUCCH从而触发的随机接入过程;所述取消已经触发的用于 D2D资源请求的随机接入过程, 包括至少以下操作中的一种: 取消 Preamble 码的发送、 取消 MSG3的发送、 终止所述随机接入过程并认为所述随机接入 过程成功完成。
结合第五方面至第五方面第十一种可能的实现方式中任一种可能的实现 方式, 在第五方面第十二种可能的实现方式中, 所述 BSR包括 D2D BSR。
第六方面提供一种缓存状态报告上报方法, 包括:
基站向 UE发送第一上行资源调度信息, 所述第一上行资源调度信息用 于指示为所述 UE分配的第一上行资源;
若所述第一上行资源不能承载所述 UE的全部 BSR, 则所述基站接收所 述 UE在所述第一上行资源上发送的所述 UE的全部 BSR中的第一部分, 所 述第一部分不包括所述 UE的全部 BSR;
所述基站向所述 UE发送第二上行资源调度信息, 所述第二上行资源调 度信息用于指示为所述 UE分配的第二上行资源;
所述基站接收所述 UE在所述第二上行资源上发送的所述 UE的全部 BSR 中的第二部分。
结合第六方面, 在第六方面第一种可能的实现方式中, 所述第二部分包 括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
结合第六方面或第六方面第一种可能的实现方式, 在第六方面第二种可 能的实现方式中, 所述基站向所述 UE发送第二上行资源调度信息之前, 还 包括:
所述基站接收所述 UE发送的未发送完全部 BSR的指示信息。
结合第六方面第二种可能的实现方式, 在第六方面第三种可能的实现方 式中, 所述未发送完全部 BSR的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
结合第六方面至第六方面第三种可能的实现方式中任一种可能的实现方 式, 在第六方面第四种可能的实现方式中, 所述基站向 UE发送第一上行资 源调度信息, 包括:
所述基站周期性向所述 UE发送第一上行资源调度信息。
结合第六方面至第六方面第三种可能的实现方式中任一种可能的实现方 式, 在第六方面第五种可能的实现方式中, 所述基站向 UE发送第一上行资 源调度信息之前, 还包括:
所述基站接收所述 UE发送的第一 SR, 所述第一 SR为所述 UE触发常 规 BSR上报且没有上行资源用于发送所述 UE的 BSR时触发 SR上报后发送 的。
结合第六方面第五种可能的实现方式, 在第六方面第六种可能的实现方 式中, 所述基站向所述 UE发送第二上行资源调度信息之前, 还包括:
所述基站接收所述 UE发送的第二 SR。
结合第六方面至第六方面第六种可能的实现方式中任一种可能的实现方 式, 在第六方面第七种可能的实现方式中, 所述 BSR包括 D2D BSR。
第七方面提供一种缓存状态报告上报方法, 包括:
UE接收基站发送的第一上行资源调度信息,所述第一上行资源调度信息 用于指示为所述 UE分配的第一上行资源;
若所述 UE触发 BSR上报, 且所述第一上行资源承载上行数据和 MAC
PDU后, 剩余的资源不能承载所述 UE的全部 BSR, 则所述 UE根据预设的 BSR优先级规则向所述基站发送 BSR。
结合第七方面, 在第七方面第一种可能的实现方式中, 所述 BSR优先级 规则包括: 蜂窝 BSR的优先级高于 D2D BSR的优先级。
第八方面提供一种缓存状态报告上报方法, 包括:
基站向 UE发送第一上行资源调度信息, 所述第一上行资源调度信息用 于指示为所述 UE分配的第一上行资源;
如果所述上行资源承载上行数据和 MAC PDU后, 剩余的资源不能承载 所述 UE的全部 BSR, 所述基站在所述第一上行资源上接收所述 UE根据预 设的 BSR优先级规则向所述基站发送的 BSR。
结合第八方面, 在第八方面第一种可能的实现方式中, 所述 BSR优先级 规则包括: 蜂窝 BSR的优先级高于 D2D BSR的优先级。
本发明实施例提供的缓存状态报告上报方法和装置, 在 UE接收到基站 发送的第一上行资源调度信息后, 若在第一上行资源上无法发送 UE的全部 BSR, 则向基站发送 UE的全部 BSR中的第一部分, 使基站为 UE分配第二 上行资源, 在 UE接收到基站发送的第二上行资源调度信息后, 在第二上行 资源上向基站发送 UE的全部 BSR中的第二部分, 从而使 UE能够向基站发 送全部 BSR。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作一简单地介绍, 显而易见地, 下 面描述中的附图是本发明的一些实施例, 对于本领域普通技术人员来讲, 在 不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1为 LTE系统中常规 BSR上报信令流程图; 图 2为 LTE系统中填充 BSR上报信令流程图;
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Figure imgf000011_0001
图 7为本发明实施例提供的缓存状态报告上报方法实施例一的流程图; 图 8为本发明实施例提供的缓存状态报告上报方法实施例二的流程图; 图 9为本发明实施例提供的缓存状态报告上报方法实施例三的流程图; 图 10为本发明实施例提供的缓存状态报告上报方法实施例四的流程图 图 11为本发明实施例提供的缓存状态报告上报方法实施例五的流程图; 图 12为本发明实施例提供的缓存状态报告上报方法实施例六的流程图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于 本发明中的实施例, 本领域普通技术人员在没有作出创造性劳动前提下所获 得的所有其他实施例, 都属于本发明保护的范围。
在长期演进 (Long Term Evolution, LTE) 系统中, 有三种 BSR的上报 方式, 分别为常规 BSR (regular BSR)上报、 周期 BSR (periodic BSR)上报 和填充 BSR (padding BSR) 上报。 用户设备 (User Equipment, UE) 在不同 的 BSR上报方式下, 向演进节点 B (Evolved Node B, eNB ) 上报 BSR。
图 1为 LTE系统中常规 BSR上报信令流程图,如图 1所示,在歩骤 S101 中, 当 UE有上行数据等待发送并触发常规 BSR上报时, 如果没有上行资源 可以用于发送 BSR, 则 UE确定触发调度请求 (Scheduling Request, SR) 上 报。 在歩骤 S102中, UE向 eNB发送 SR信息。 在歩骤 S103中, eNB为 UE 分配上行资源, 并向 UE发送上行资源调度信息, 该上行资源用于 UE发送 BSR。 在歩骤 S104中, UE在 eNB分配的上行资源上向 eNB发送 BSR。 在 歩骤 S105中, 当 UE在歩骤 S104中上行发送的媒体访问控制(Media Access Control, MAC) 协议数据单元 (Protocol Data Unit, PDU) 中包含 BSR或者 当 UE上行发送的 MAC PDU中包含所有等待发送的上行数据时, UE取消已 经触发的 SR上报。在歩骤 S106中, 当 eNB接收到 UE发送的 BSR后, eNB 再次为 UE分配上行资源,并向 UE发送上行资源调度信息,该上行资源用于 使 UE发送上行数据, 该上行资源的大小根据 UE发送的 BSR确定。
图 2为 LTE系统中填充 BSR上报信令流程图,如图 2所示,在歩骤 S201 中, eNB为 UE分配上行资源, 并向 UE发送上行资源调度请求, 该上行资 源用于 UE发送数据。在歩骤 S202中,对于 eNB在歩骤 S201中分配的资源, 如果 UE在承载上行数据和 MAC PDU后, 仍有上行资源剩余时, 并且该剩 余的上行资源能够容纳 BSR以及其 MAC子包头, 则 UE确定在该剩余的上 行资源中上报填充 BSR。在歩骤 S203中, UE通过剩余的上行资源向 eNB上 报填充 BSR。 在歩骤 S204中, 当 eNB接收到 UE发送的填充 BSR后, eNB 再次为 UE分配上行资源,并向 UE发送上行资源调度信息,该上行资源用于 使 UE发送上行数据, 该上行资源的大小根据 UE发送的填充 BSR确定。
LTE系统的周期 BSR上报方式即为 eNB为 UE分配一定的上行资源, UE可以在该上行资源上周期性地向 eNB上报 BSR, 其具体实现方式此处不 再详述。
上述 LTE系统的 BSR上报方式中, 上报的 BSR均为蜂窝网的 BSR, 由 于在蜂窝网中, UE仅与 eNB之间进行数据传输, 因此 UE在一定的时间内 向 eNB发送的数据量不会过大。 而在 D2D通信中, 由于 D2D设备可能同时 与多个其他 D2D设备进行通信, 因此其在一定的时间内传输的数据量可能较 大, 在基站调度资源模式中, 基站为 D2D设备分配的用于发送 BSR的上行 资源可能无法承载 D2D通信数据的 BSR。
将 D2D通信的 BSR称为 D2D BSR, 若采用 LTE系统的常规 BSR上报 方式, 参照图 1, 在歩骤 S101中, 当 UE有 D2D数据等待发送并触发常规 D2D BSR时, 如果没有上行资源可以用于发送该 D2D BSR, 则 UE确定触发 SR上报, 若 UE的 D2D通信数据量较大, 则 eNB在歩骤 S103中为 UE分配 的上行资源可能不够 UE上报所有的 D2D BSR, 也就是说, UE在歩骤 S104 中仅能向 eNB上报一部分 D2D BSR。 但在歩骤 S105中, 当 UE检测到上行 发送的 MAC PDU中包含 BSR后, 将取消已经触发的 SR上报, 当 eNB接收 到 UE上报的 D2D BSR后, 会认为 UE已经上报了所有需要上报的 BSR, 而 不会继续为 UE分配上行资源使 UE继续上报剩余的 D2D BSR, 从而造成了 部分 D2D BSR无法上报的问题。
若采用 LTE系统的填充 BSR上报方式, 参照图 2, 由于 UE可能同时进 行蜂窝通信和 D2D通信, 因此可能同时存在蜂窝通信 BSR和 D2D BSR。 在 歩骤 S202中, 当 UE确定上报填充 BSR时, 由于同时存在蜂窝通信 BSR和 D2D BSR, 此时 UE将不确定需要上报哪种 BSR。
若采用 LTE系统的周期 BSR上报方式, 则与常规 SBR上报方式相同, UE在 eNB预先分配的用于周期性上报 BSR的资源上, 可能无法上报所有的 D2D BSR。
以上仅以 LTE系统为例, 说明了 D2D BSR上报所存在的问题, 但本发 明不以此为限, 例如在通用移动通信系统 (Universal Mobile
Telecommunications System, UMTS )、 全球移动通信系统( Global System for Mobile communication, GSM)、全球微波互耳关接入 (Worldwide Interoperability for Microwave Access, WiMAX)等系统中, 若进行 D2D通信, 则 D2D BSR 的上报也会出现上述问题。
综上所述, 当 D2D设备在基站分配的用于上报 D2D BSR的上行资源上 无法上报所有 D2D BSR时, 如何进行 D2D BSR的上报, 是目前亟待解决的 问题。
另外, 随着无线通信网络的演进, 蜂窝网络的上行数据也在逐渐增多, 可以预期的是, 蜂窝网络中的 UE在基站分配的用于上报 BSR的上行资源上 也可能出现无法上报所有 BSR的情况, 在这种情况下, 如何进行 BSR的上 报, 也是需要解决的问题。
图 3为本发明实施例提供的用户设备实施例一的结构示意图, 如图 3所 示, 本实施例的用户设备包括:
接收模块 31, 用于接收基站发送的第一上行资源调度信息, 所述第一上 行资源调度信息用于指示为所述 UE分配的第一上行资源。
具体地, 本实施例提供的 UE可以为任一无线通信系统中的 UE。 其中包 括接收模块 31, 接收模块 31用于接收基站发送的第一上行资源调度信息, 第一上行资源调度信息用于指示为 UE分配的第一上行资源, 其中第一上行 资源用于承载 UE上报的 BSR。接收模块 31接收的第一上行资源调度信息可 以是基站周期性发送的, 也可以是基站接收到 UE发送的 SR后发送的。
处理模块 32, 用于确定所述第一上行资源是否能承载所述 UE 的全部 BSR。
具体地, 当接收模块 31接收到第一上行资源调度信息后, 处理模块 32 判断第一上行资源是否能够承载 UE的全部 BSR。 UE的全部 BSR根据 UE 等待发送的全部上行数据的数据量确定, UE等待发送的数据量越大, UE的 BSR就越大。因此处理模块 32可以根据 UE的缓存中待发送的上行数据确定 UE的全部 BSR, 并判断第一上行资源是否能够承载 UE的全部 BSR。
发送模块 33, 用于若处理模块 32确定所述第一上行资源不能承载所述 UE的全部 BSR, 则在所述第一上行资源上向所述基站发送所述 UE的全部 BSR中的第一部分, 所述第一部分不包括所述 UE的全部 BSR。
具体地, 若处理模块 32确定第一上行资源不能承载 UE的全部 SBR, 则 此时发送模块 33可以先向基站发送 UE的全部 BSR中的第一部分, 其中第 一部分可以是 UE的全部 BSR中的任意部分, 第一部分的大小不超过第一上 行资源能够承载的 BSR的大小即可。
可选地, 由于发送模块 33并未向基站发送 UE的全部 BSR, 因此发送模 块 33同时还向基站发送未发送完全部 BSR的指示信息, 当基站接收到发送 模块 33发送的 UE的全部 BSR中的第一部分以及未发送完全部 BSR的指示 信息后, 即可确定 UE还未发送完全部的 BSR。
接收模块 31, 还用于接收所述基站发送的第二上行资源调度信息, 所述 第二上行资源调度信息用于指示为所述 UE分配的第二上行资源。
具体地, 当基站确定 UE还未发送完全部的 BSR后, 继续为 UE分配第 一上行资源。接收模块 31接收基站发送的第二上行资源调度信息, 第二上行 资源调度信息用于指示为 UE分配的第二上行资源, 其中第二上行资源用于 承载 UE上报的 BSR。
发送模块 33, 还用于在所述第二上行资源上向所述基站发送所述 UE的 全部 BSR中的第二部分。
具体地, 当接收模块 31接收到第二上行资源调度信息后, 发送模块 33 即可在第二上行资源向基站发送 UE的全部 BSR中的第二部分。一般情况下, 基站为 UE分配的第二上行资源能够使发送模块 33上报全部的 BSR中除了 第一部分外的其他部分, 也就是说, 当发送模块 33在第二上行资源上向基站 发送全部 BSR中的第二部分后, 即发送完了 UE的全部 BSR。 若基站为 UE 分配的第二上行资源不能使发送模块 33上报全部的 BSR中除了第一部分外 的其他部分, 则发送模块 33在向基站发送 UE的全部 BSR中的第二部分后, 接收模块 31还会接收到基站发送的另一个上行资源调度信息,获取基站调度 的另一个上行资源,直至 UE能够在基站调度的上行资源上发送完 UE的全部 BSR。
优选地, UE的全部 BSR中的第二部分包括 UE的全部 BSR中除第一部 分外的其它部分。 也就是说, UE不会向基站重复发送已经发送过的 BSR。 但在一种情况下, UE的全部 BSR中的第二部分包括 UE的全部 BSR。 在这 种情况下, 基站为 UE分配的第二上行资源需要能够承载 UE的全部 BSR。
本实施例, 在 UE接收到基站发送的第一上行资源调度信息后, 若在第 一上行资源上无法发送 UE的全部 BSR, 则向基站发送 UE的全部 BSR中的 第一部分,使基站为 UE分配第二上行资源,在 UE接收到基站发送的第二上 行资源调度信息后, 在第二上行资源上向基站发送 UE的全部 BSR中的第二 部分, 从而使 UE能够向基站发送全部 BSR。
进一歩地, 图 3所示实施例中, 可选地, 发送模块 33, 还用于在接收模 块 31接收所述基站发送的第二上行资源调度信息之前, 向所述基站发送未发 送完全部 BSR的指示信息。 所述未发送完全部 BSR的指示信息, 包括: 如 下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
具体地, 在接收模块 31 接收所述基站发送的第二上行资源调度信息之 前, 发送模块 33向基站发送未发送完全部 BSR的指示信息, 可以使基站获 知 UE还未发送完 UE的全部 BSR。 该未发送完全部 BSR的指示信息包括: BSR剩余指示信息、剩余 BSR容量信息中的至少一个。其中, BSR剩余指示 信息用于直接指示 UE还有没有发送完的 BSR, 剩余 BSR容量信息用于指示 UE没有发送完的 BSR的容量。 当未发送完全部 BSR的指示信息为 BSR剩 余指示信息时, 基站可以根据 BSR剩余指示信息直接确定 UE未发送完全部 的 BSR。 当未发送完全部 BSR的指示信息为剩余 BSR容量信息时, 基站可 以根据剩余 BSR容量确定 UE未发送完全部的 BSR, 并且确定 UE未发送完 的 BSR的容量。进而基站可以根据剩余 BSR容量信息为 UE分配第二上行资 源, 该第二上行资源可以大于等于剩余 BSR容量信息中剩余 BSR的容量, 从而发送模块 33在第二上行资源上发送的 UE的全部 BSR的第二部分可以 为 UE的全部 BSR中除第一部分外的其他部分, 也即发送模块 33可以在基 站为 UE分配两次上行资源时就可以发送完所有 BSR。 优选地, 第二上行资 源等于剩余 BSR容量信息中 BSR的容量, 这样发送模块 33可以使用最少的 上行资源进行 BSR的上报。
进一歩地, 图 3所示实施例中, 接收模块 31可以接收基站周期性发送的 第一上行资源调度信息,从而 UE进行 BSR上报的方法与周期 BSR上报方式 类似, 并且与蜂窝网的现有周期 BSR上报方式兼容, 若接收模块 31接收到 第一上行资源调度信息后, 处理模块 32确定第一上行资源能够发送完 UE的 全部 BSR, 则图 3所示实施例的 UE的 BSR上报方法与蜂窝网的现有周期 BSR上报方式相同。
进一歩地, 图 3所示实施例中, 处理模块 32, 还用于在接收模块 31接 收所述基站发送的所述第一上行资源调度信息之前, 触发 SR上报; 发送模 块 33, 还用于在处理模块 32触发 SR上报后向所述基站发送第一 SR, 所述 SR上报为处理模块 32触发常规 BSR上报且没有上行资源用于发送所述 UE 的 BSR时触发的。
具体地, 图 3所示实施例的 UE还可以采用与蜂窝网中常规 BSR上报方 式类似的 BSR上报方法进行 BSR的上报。 这种情况下, 处理模块 32在接收 模块 31接收基站发送的第一上行资源调度信息之前, 触发 SR上报。 当处理 模块 32触发 SR上报后,发送模块 33向基站发送第一 SR。处理模块 32触发 的 SR上报是在处理模块 32触发常规 BSR上报并且没有上行资源用于发送 UE的 BSR时进行的。 也就是说, 当处理模块 32触发常规 BSR上报后, 发 现没有上行资源能够用于发送 UE的 BSR时, 则触发 SR上报, 并且发送模 块 33向基站发送第一 SR, 当基站接收到第一 SR后, 再为 UE分配第一上行 资源。 UE的这种 BSR上报方法与图 1所示的蜂窝网的常规 BSR上报方法兼 进一歩地, 图 3所示实施例中, 若 BSR为 D2D BSR, 则处理模块 32, 具体用于当 UE从自主选择资源模式切换到基站调度资源模式,且 UE的当前 D2D逻辑信道有数据等待传输时, 触发常规 BSR上报。 具体地, 处理模块 32触发常规 BSR上报的方式有很多, 当 UE在进行 D2D通信时,处理模块 32触发常规 BSR上报的其中一种方法可以为: 当 UE 从自主选择资源模式切换到基站调度资源模式, 且 UE的当前 D2D逻辑信道 有数据等待传输时, 触发常规 BSR上报。 UE的自主选择资源模块表示 UE 可以自己选择发送数据所使用的上行资源, 而无需向基站方请求消息; UE的 基站调度资源模式表示 UE所使用的资源都是由基站分配的。当 UE处于自主 选择资源模式时, 则 UE无需向基站上报 BSR, 可以自主选择资源发送 D2D 数据; 当 UE处于基站调度资源模式模式时, 需要向基站上报 BSR, 基站为 UE分配上行资源后, UE才能发送 D2D数据。
进一歩地, 图 3所示实施例中, 发送模块 33, 具体用于在接收模块 31 接收所述基站发送的第二上行资源调度信息之前, 向所述基站发送第二 SR。
具体地, 若图 3所示实施例的 UE采用与蜂窝网中常规 BSR上报方式类 似的 BSR上报方法进行 BSR的上报, 即处理模块 32在接收模块 31接收基 站发送的第一上行资源调度信息之前, 触发 SR上报, 并且当处理模块 32触 发 SR上报后, 发送模块 33向基站发送第一 SR。 发送模块 33在接收模块 31 接收基站发送的第二上行资源调度信息之前, 向基站发送第二 SR。 这时处理 模块 32在确定第一上行资源不能发送 UE的全部 BSR后, 确定不取消已经 触发的 SR上报或者常规 BSR上报后, 向基站发送的。发送模块 33向基站发 送第二 SR隐含着 UE还未发送完全部 BSR的指示信息。 当基站接收到第二 SR后, 即可得知 UE还未发送完全部的 BSR, 因此即可为 UE分配第二上行 资源,从而同样可以使 UE继续通过第二上行资源向基站发送 UE的全部 BSR 中的第二部分。
进一歩地, 图 3所示实施例中, 处理模块 32, 还用于当发送模块 33已 经向所述基站发送所述 UE的全部 BSR后, 取消已经触发的 SR上报或者常 规 BSR上报。
具体地, 当发送模块 33已经向基站发送 UE的全部 BSR后, 处理模块 32将取消已经触发的 SR上报或常规 BSR上报。 也就是说当 UE已经向基站 发送了 UE的全部 BSR后, UE无需再向基站发送 SR去请求调度上行资源, 也无需再向基站发送 BSR, 因此处理模块 32将取消已经触发的 SR上报或常 规 BSR上报。 进一歩地, 图 3所示实施例中, 处理模块 32, 还用于当所述 UE从所述 基站调度资源模式切换到所述自主选择资源模式时, 取消已经触发的用于 D2D资源请求的 SR上报,所述用于 D2D资源请求的 SR上报是指当 D2D BSR 触发后没有上行资源发送 D2D BSR而触发的 SR上报。
具体地,无论 UE采用类似于蜂窝网周期 BSR的方式上报 BSR还是采用 类似蜂窝网常规 BSR的方式上报 BSR, 当 UE从基站调度资源模式切换到自 主选择资源模式时, UE都无需再由基站分配上行资源, 而是可以自主选择上 行资源。因此无论 UE处于什么状态, 当 UE从基站调度资源模式切换到自主 选择资源模式时, 处理模块 32可以取消已经触发的用于 D2D资源请求的 SR 上报。 UE向基站发送的 SR用于使基站为 UE分配发送数据所需的资源, 这 里的用于 D2D资源请求的 SR上报,用于使基站为 UE调度用于 D2D通信所 使用的资源。 具体地, 用于 D2D资源请求的 SR上报是指当 UE的 D2D BSR 上报触发后, UE没有上行资源发送 D2D BSR而触发的 SR上报。
进一歩地, 图 3所示实施例中, 处理模块 32, 还用于当所述 UE从所述 基站调度资源模式切换到所述自主选择资源模式时, 取消已经触发的 BSR上 报。
具体地,无论 UE采用类似于蜂窝网周期 BSR的方式上报 BSR还是采用 类似蜂窝网常规 BSR的方式上报 BSR, 当 UE从基站调度资源模式切换到自 主选择资源模式时, UE都无需再由基站分配上行资源, 而是可以自主选择上 行资源。因此无论 UE处于什么状态, 当 UE从基站调度资源模式切换到自主 选择资源模式时, 处理模块 32都将取消已经触发的 BSR上报。
进一歩地, 图 3所示实施例中, 处理模块 32, 还用于当所述 UE从所述 基站调度资源模式切换到所述自主选择资源模式时, 取消已经触发的用于 D2D资源请求的随机接入过程,所述用于 D2D资源请求的随机接入过程是指 当 D2D BSR上报触发后没有上行资源发送 D2D BSR并且所述 UE没有配置 发送 SR的物理上行链路控制信道(Physical Uplink Control Channel, PUCCH) 从而触发的随机接入过程;所述取消已经触发的用于 D2D资源请求的随机接 入过程, 包括至少以下操作中的一种: 取消导频 (Preamble ) 码的发送、 取 消消息 3 (Message 3 , MSG3 ) 的发送、 终止所述随机接入过程并认为所述随 机接入过程成功完成。 具体地,无论 UE采用类似于蜂窝网周期 BSR的方式上报 BSR还是采用 类似蜂窝网常规 BSR的方式上报 BSR, 当 UE从基站调度资源模式切换到自 主选择资源模式时, UE都无需再由基站分配上行资源, 而是可以自主选择上 行资源。因此无论 UE处于什么状态, 当 UE从基站调度资源模式切换到自主 选择资源模式时, 处理模块 32都可以取消已经触发的用于 D2D资源请求的 随机接入过程。 UE的随机接入过程用于接入基站, UE的随机接入过程包括 首先向基站发送导频码, 然后接收基站发送的随机接入响应 (消息 2 ) , 然 后再向基站发送消息 3等过程。 用于 D2D资源请求的随机接入过程是指当 D2D BSR上报触发后没有上行资源发送 D2D BSR并且 UE没有配置发送 SR 的 PUCCH从而触发的随机接入过程。 取消已经触发的用于 D2D资源请求的 随机接入过程包括: 取消导频码的发送、 取消消息 3的发送、 中止随机接入 过程并认为随机接入过程成功完成中的至少一种操作。
进一歩地, 图 3所示实施例中, 所述 BSR包括 D2D BSR。 当 UE进行 D2D通信时, 将产生 D2D BSR, 由于 D2D通信的特点是上行通信数据量可 能较大, 因此 D2D BSR的容量也可能较大, UE上报 D2D BSR所需的上行 资源也较大, 因此图 3所示实施例的 UE能够向基站发送 UE的全部 BSR, 从而解决 D2D BSR的上报问题。
图 4为本发明实施例提供的基站实施例一的结构示意图, 如图 4所示, 本实施例的基站包括:
发送模块 41, 用于向 UE发送第一上行资源调度信息, 所述第一上行资 源调度信息用于指示为所述 UE分配的第一上行资源。
具体地, 本实施例提供的基站可以为任一无线通信系统中的任意形式的 基站, 只要该基站具有资源调度能力即可。 其中包括发送模块 41, 发送模块 41用于向 UE发送第一上行资源调度信息, 所述第一上行资源调度信息用于 指示为所述 UE分配的第一上行资源,其中第一上行资源用于承载 UE上报的 BSR。 本实施例的基站还包括处理模块 42, 处理模块 42用于确定为 UE分配 的第一上行资源。
接收模块 43, 用于若所述第一上行资源不能承载所述 UE的全部 BSR, 则接收所述 UE在所述第一上行资源上发送的所述 UE的全部 BSR中的第一 部分, 所述第一部分不包括所述 UE的全部 BSR。 具体地, 当发送模块 41 向 UE发送第一上行资源分配消息后, UE即判 断第一上行资源是否能够承载 UE的全部 BSR。 若不能, 则基站中的接收模 块 43将接收到 UE在第一上行资源上发送的 UE的全部 BSR中的第一部分, 其中第一部分可以是 UE的全部 BSR中的任意部分, 第一部分的大小不超过 第一上行资源能够承载的 BSR的大小即可。
发送模块 41, 还用于向所述 UE发送第二上行资源调度信息, 所述第二 上行资源调度信息用于指示为所述 UE分配的第二上行资源。
具体地,当接收模块 43接收到 UE发送的 UE的全部 BSR中的第一部分 后。处理模块 42确定为 UE分配第二上行资源,发送模块 41向 UE发送第二 上行资源调度信息, 第二上行资源调度信息用于指示为 UE分配的第二上行 资源, 其中第二上行资源用于承载 UE上报的 BSR, 使 UE能够继续在第二 上行资源上上报 BSR。
接收模块 43,还用于接收所述 UE在所述第二上行资源上发送的所述 UE 的全部 BSR中的第二部分。
具体地, 当发送模块 41 向 UE发送第二上行资源分配消息后, UE即可 在第二上行资源上向基站发送 UE的全部 BSR中的第二部分。 一般情况下, 处理模块 42确定的第二上行资源能够使 UE上报全部的 BSR中除了第一部 分外的其他部分, 也就是说, 当接收模块 43在第二上行资源上接收 UE发送 的全部 BSR中的第二部分后, 即接收完 UE的全部 BSR。 若处理模块 42确 定的第二上行资源不能使 UE上报全部的 BSR 中除了第一部分外的其他部 分, 则接收模块 43在向接收 UE发送的 UE的全部 BSR中的第二部分后, 处 理模块 42将继续确定 UE上报 BSR所使用的上行资源, 发送模块 41继续向 UE发送上行资源调度信息, 直至接收模块 43接收到 UE发送到的 UE的全 部 BSR。
优选地, UE的全部 BSR中的第二部分包括 UE的全部 BSR中除第一部 分外的其它部分。 也就是说, UE不会向基站重复发送已经发送过的 BSR。 但在一种情况下, UE的全部 BSR中的第二部分包括 UE的全部 BSR。 在这 种情况下, 基站为 UE分配的第二上行资源需要能够承载 UE的全部 BSR。
本实施例, 在基站向 UE发送第一上行资源调度信息后, 若第一上行资 源无法承载 UE的全部 BSR, 则基站接收 UE发送的 UE的全部 BSR中的第 一部分,使基站为 UE分配第二上行资源,在基站向 UE发送第二上行资源调 度信息后, 在第二上行资源上向接收 UE发送的 UE的全部 BSR中的第二部 分, 从而使 UE能够向基站发送全部 BSR。
进一歩地, 图 4所示实施例中, 接收模块 43, 还用于在发送模块 41 向 所述 UE发送第二上行资源调度信息之前,接收所述 UE发送的未发送完全部 BSR的指示信息。 所述未发送完全部 BSR的指示信息, 包括: 如下信息中的 至少一个: BSR剩余指示、 剩余 BSR容量信息。
具体地, 在在发送模块 41向所述 UE发送第二上行资源调度信息之前, 接收模块 43还可以接收所述 UE发送的未发送完全部 BSR的指示信息。 当 接收模块 43接收到未发送完全部 BSR的指示信息后, 处理模块 42即可得知 UE还未发送完全部的 BSR。接收模块 43接收的 UE发送的未发送完全部 BSR 的指示信息可以包括: BSR剩余指示信息、剩余 BSR容量信息中的至少一个。 其中, BSR剩余指示信息用于直接指示 UE还有没有发送完的 BSR,剩余 BSR 容量信息用于指示没有发送完的 BSR的容量。 当未发送完全部 BSR的指示 信息为 BSR剩余指示信息时,基站可以根据 BSR剩余指示信息确定 UE未发 送完全部的 BSR。当未发送完全部 BSR的指示信息为剩余 BSR容量信息时, 基站可以根据剩余 BSR容量确定 UE未发送完全部的 BSR, 并且确定 UE未 发送完的 BSR的容量。进而基站可以根据剩余 BSR容量信息为 UE分配第二 上行资源, 该第二上行资源可以大于等于剩余 BSR容量信息中剩余 BSR的 容量, 从而接收模块 43在第二上行资源上接收的 UE的全部 BSR的第二部 分可以为 UE的全部 BSR中除第一部分外的其他部分, 也即 UE可以在基站 为 UE分配两次上行资源时就可以发送完 UE的全部 BSR。 优选地, 第二上 行资源等于剩余 BSR容量信息中 BSR的容量,这样 UE可以使用最少的上行 资源进行 BSR的上报。
进一歩地, 图 4 所示实施例中, 发送模块 41, 具体用于周期性向所述
UE发送第一上行资源调度信息。 从而 UE进行 BSR上报的方法与周期 BSR 上报方式类似,并且与蜂窝网的现有周期 BSR上报方式兼容,若发送模块 41 向 UE发送第一上行资源调度信息后, UE确定第一上行资源能够发送完 UE 的全部 BSR, 则图 4所示实施例的基站接收的 UE上报 BSR的方法与蜂窝网 的现有周期 BSR上报方式相同。 进一歩地, 图 4所示实施例中, 接收模块 43, 还用于在发送模块 41 向 所述 UE发送所述第一上行资源调度信息之前,接收所述 UE发送的第一 SR, 所述第一 SR为所述 UE触发常规 BSR上报且没有上行资源用于发送所述 UE 的 BSR时触发 SR上报后发送的。
具体地, 图 4所示实施例的基站还可以采用与蜂窝网中常规 BSR上报方 式类似的 BSR上报方法接收 UE上报的 BSR。 这种情况下, 在发送模块 41 向 UE发送第一上行资源调度信息之前, 接收模块 43首先接收 UE发送的第 一 SR, 第一 SR为 UE触发常规 BSR上报并且没有上行资源用于发送所述 UE的 BSR时触发 SR上报后发送的。 也就是说, 当 UE触发常规 BSR上报 后, 发现没有上行资源能够用于发送 UE的 BSR时, 则触发 SR上报, 此时 接收模块 43将接收到 UE发送的第一 SR,当接收模块 43接收到第一 SR后, 发送模块再向为 UE发送第一上行资源调度信息。 这种 BSR上报方法与图 1 所示的蜂窝网的常规 BSR上报方法兼容。
进一歩地, 图 4所示实施例中, 接收模块 43, 还用于在发送模块 41 向 UE发送第二上行资源调度信息之前, 接收 UE发送的第二 SR。
具体地, 若图 4所示实施例的基站接收 UE采用与蜂窝网中常规 BSR上 报方式类似的 BSR上报方法上报的 BSR, 即接收模块 43在发送模块 41 向 UE发送第一上行资源调度信息之前, 接收 UE发送的第一 SR。 接收模块 43 在发送模块向 UE发送第二上行资源调度信息之前,接收 UE发送的第二 SR。 第二 SR为 UE在确定第一上行资源不能发送 UE的全部 BSR后, 确定不取 消已经触发的 SR上报或者常规 BSR上报后发送的。 UE向基站发送第二 SR 隐含着 UE还未发送完全部 BSR的指示信息。接收模块 43接收到第二 SR后, 即可得知 UE还未发送完全部的 BSR, 因此即可为 UE分配第二上行资源, 从而同样可以使 UE继续通过第二上行资源向基站发送 UE的全部 BSR中的 第二部分。
进一歩地, 图 4所示实施例中, 所述 BSR包括 D2D BSR。 当 UE进行 D2D通信时, 将产生 D2D BSR, 由于 D2D通信的特点是上行通信数据量可 能较大, 因此 D2D BSR的容量也可能较大, UE上报 D2D BSR所需的上行 资源也较大,因此图 4所示实施例的 UE能够接收 UE发送的 UE的全部 BSR, 从而解决 D2D BSR的上报问题。 图 5为本发明实施例提供的用户设备实施例二的结构示意图, 如图 5所 示, 本实施例的用户设备包括:
接收模块 51, 用于接收基站发送的第一上行资源调度信息, 所述第一上 行资源调度信息用于指示为 UE分配的第一上行资源。
具体地, 本实施例提供的 UE可以为任一无线通信系统中的 UE。 本实施 例提供的 UE与图 3所示实施例提供的 UE的区别在于, 本实施例提供的 UE 进行 BSR上报所使用的方法类似于图 2所示的蜂窝网中填充 BSR上报的方 法, 并且与蜂窝网中填充 BSR上报方法兼容。
其中 UE包括接收模块 51,接收模块 51用于接收基站发送的第一上行资 源调度信息, 第一上行资源调度信息用于指示为 UE分配的第一上行资源, 其中第一上行资源用于承载 UE发送的上行数据。 这里与图 3所示实施例的 接收模块 31存在区别, 图 3所示实施例中, 接收模块 31接收的第一上行调 度信息中为 UE分配的第一上行资源用于承载 UE上报的 BSR, 而在本实施 例中, 接收模块 51是用于承载 UE向基站发送的上行数据。
处理模块 52,用于触发填充 BSR上报,且确定所述第一上行资源承载上 行数据和 MAC PDU后, 剩余的资源是否能承载所述 UE的全部 BSR。
具体地, 当接收模块 51接收到第一上行调度信息后, 处理模块 51首先 确定是否触发填充 BSR上报, 与图 2所示实施例类似地, 填充 BSR是承载 在第一上行资源发送上行数据后剩余的资源中的。若处理模块 51确定触发填 充 BSR上报, 并且第一上行资源在承载上行数据和 MAC PDU后仍有剩余的 资源时, UE才能向基站发送填充 BSR。 并且处理模块 51还需要判断第一上 行资源在承载上行数据和 MAC PDU后, 剩余的资源是否能承载所述 UE的 全部 BSR。
发送模块 53, 用于若处理模块 52触发填充 BSR上报, 且确定所述第一 上行资源承载上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全 部 BSR, 则根据预设的 BSR优先级规则向所述基站发送 BSR。
具体地, 由于填充 BSR仅占用用于发送正常数据的上行资源中的剩余资 源, 因此填充 BSR上报无需上报所有的 BSR, 并且即使 UE不能使用填充 BSR上报方式上报 UE的全部 BSR, UE在达到常规 BSR上报触发条件时, 也会触发常规 BSR上报, 从而不会对正常的数据传输造成影响。 因此本实施 例提供的 UE无需向基站发送 UE的全部 BSR。若处理模块 52触发填充 BSR 上报, 且确定所述第一上行资源在承载上行数据和 MAC PDU后, 剩余的资 源不能承载所述 UE的全部 BSR, 则发送模块 53将根据预设的 BSR优先级 规则向基站发送 BSR。 BSR的优先级规则可以预设在 UE中, BSR的优先级 规则例如是根据 BSR代表的数据的特征进行优先级分类排序, 例如优先发送 蜂窝网通信产生的蜂窝 BSR、 然后发送 D2D通信产生的 D2D BSR。 总之, 发送模块 53可以根据预设的优先级规则在第一上行资源上发送全部 BSR中 的一部分。
本实施例, 在 UE接收到基站发送的第一上行资源调度信息后, 若触发 填充 BSR上报, 且 UE确定第一上行资源在承载上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全部 BSR时, UE将根据预设的优先级规则 向基站上报 BSR, 从而使 UE在触发填充 BSR上报时, 能够正确地向基站发 送 BSR。
进一歩地, 在图 5所示实施例中, 所述 BSR优先级规则包括: 蜂窝 BSR 的优先级高于 D2D BSR的优先级。 也就是说, UE在触发填充 BSR上报时, 若同时存在蜂窝 BSR和 D2D BSR, 则 UE优先上报蜂窝 BSR。
具体地, 这里给出了一种发送模块 53 根据预设优先级规则向基站发送 BSR的具体方式。 其中, UE的全部 BSR包括蜂窝 BSR和 D2D BSR, g卩 UE 同时进行蜂窝网通信和 D2D通信。 发送模块 53优先向基站发送蜂窝 BSR, 也就是若蜂窝 BSR上报的数据量为 0,则发送模块 53优先在第一上行资源上 向基站发送 D2D BSR; 若蜂窝 BSR上报的数据量不为 0, 则发送模块 53优 先在第一上行资源上向基站发送蜂窝 BSR。
图 6为本发明实施例提供的基站实施例二的结构示意图, 如图 6所示, 本实施例的基站包括:
发送模块 61, 用于向 UE发送第一上行资源调度信息, 所述第一上行资 源调度信息用于指示为所述 UE分配的第一上行资源。
具体地, 本实施例提供的基站可以为任一无线通信系统中的任意形式的 基站, 只要该基站具有资源调度能力即可。 其中包括发送模块 61, 发送模块 61用于向 UE发送第一上行资源调度信息, 所述第一上行资源调度信息用于 指示为所述 UE分配的第一上行资源,其中第一上行资源用于承载 UE发送的 上行数据。 本实施例的基站还包括处理模块 63, 处理模块 63用于确定为 UE 分配的第一上行资源。
接收模块 62, 用于在所述第一上行资源上接收所述 UE根据预设的 BSR 优先级规则向所述基站发送的 BSR, 所述 BSR为所述 UE确定所述上行资源 承载上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全部 BSR后 发送的。
具体地, 本实施例的基站用于接收图 5所示实施例的 UE上报的 BSR。 由于图 5所示实施例中的 UE采用类似于图 2所示的蜂窝网填充 BSR上报方 式, 因此 UE在第一上行资源上不仅会发送 BSR, 同时还会发送上行数据。 接收模块 63在第一上行资源上接收 UE发送的上行数据, 以及接收 UE发送 的 BSR。
当接收模块 62在第一上行资源上接收到 BSR后, 处理模块 63即对该 BSR进行判断, 判断其为蜂窝 BSR还是 D2D BSR。 若接收模块 63接收到的 BSR为 D2D BSR, 则处理模块 62将判断 UE对应的蜂窝 BSR数据量为 0, 也即 UE没有等待发送的蜂窝网通信数据。
本实施例, 在 UE接收到基站发送的第一上行资源调度信息后, 若触发 填充 BSR, 且 UE确定第一上行资源在承载上行数据和 MAC PDU后, 剩余 的资源不能承载所述 UE的全部 BSR时, UE将根据预设的优先级规则向基 站上报 BSR, 从而使 UE在触发填充 BSR上报时, 能够正确地向基站发送 BSR。
进一歩地, 图 6所示实施例中, 所述 BSR优先级规则包括: 蜂窝 BSR 的优先级高于 D2D BSR的优先级。
图 7为本发明实施例提供的缓存状态报告上报方法实施例一的流程图, 如图 7所示, 本实施例的方法包括:
歩骤 S701 , UE接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为所述 UE分配的第一上行资源。
歩骤 S702, 若所述第一上行资源不能承载所述 UE的全部 BSR, 则所述 UE在所述第一上行资源上向所述基站发送所述 UE的全部 BSR中的第一部 分, 所述第一部分不包括所述 UE的全部 BSR。
歩骤 S703 , 所述 UE接收所述基站发送的第二上行资源调度信息, 所述 第二上行资源调度信息用于指示为所述 UE分配的第二上行资源。 歩骤 S704, 所述 UE在所述第二上行资源上向所述基站发送所述 UE的 全部 BSR中的第二部分。
本实施例的缓存状态报告上报方法用于完成图 3 所示的用户设备的处 理, 其实现原理和技术效果类似, 此处不再赘述。
进一歩地, 图 7所示实施例中, 所述第二部分包括所述 UE的全部 BSR 中除所述第一部分外的其它部分; 或者所述第二部分包括所述 UE 的全部
BSR。
进一歩地, 图 7所示实施例中, 所述 UE接收所述基站发送的第二上行 资源调度信息之前, 还包括: 所述 UE向所述基站发送未发送完全部 BSR的 指示信息。
进一歩地, 图 7所示实施例中, 所述未发送完全部 BSR的指示信息, 包 括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
进一歩地, 图 7所示实施例中, 所述 UE接收基站发送的第一上行资源 调度信息, 包括: 所述 UE接收所述基站周期性发送的所述第一上行资源调 度信息。
图 8为本发明实施例提供的缓存状态报告上报方法实施例二的流程图, 如图 8所示, 本实施例的方法包括:
歩骤 S801 , UE触发 SR上报并向所述基站发送第一 SR, 所述 SR为所 述 UE触发常规 BSR上报且没有上行资源用于发送所述 UE的 BSR时触发的。
歩骤 S802, UE接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为所述 UE分配的第一上行资源。
歩骤 S803 , 若所述第一上行资源不能承载所述 UE的全部 BSR, 则所述 UE在所述第一上行资源上向所述基站发送所述 UE的全部 BSR中的第一部 分, 所述第一部分不包括所述 UE的全部 BSR。
歩骤 S804, 所述 UE接收所述基站发送的第二上行资源调度信息, 所述 第二上行资源调度信息用于指示为所述 UE分配的第二上行资源。
歩骤 S805 , 所述 UE在所述第二上行资源上向所述基站发送所述 UE的 全部 BSR中的第二部分。
进一歩地, 图 8所示实施例中, 所述 UE触发常规 BSR上报, 包括: 当所述 UE从自主选择资源模式切换到基站调度资源模式, 且所述 UE 的当前 D2D逻辑信道有数据等待传输时, 所述 UE触发常规 BSR上报。
进一歩地, 图 8所示实施例中, 所述 UE接收所述基站发送的第二上行 资源调度信息之前, 还包括:
所述 UE向所述基站发送第二 SR。
进一歩地, 图 8所示实施例中, 当所述 UE已经向所述基站发送所述 UE 的全部 BSR后, 所述 UE取消已经触发的 SR上报或者常规 BSR上报。
进一歩地, 图 8所示实施例中, 当所述 UE从所述基站调度资源模式切 换到所述自主选择资源模式时, 所述 UE取消已经触发的用于 D2D资源请求 的 SR上报,所述用于 D2D资源请求的 SR上报是指当 D2D BSR上报触发后 没有上行资源发送 D2D BSR而触发的 SR上报。
进一歩地, 图 7或图 8所示实施例中, 当所述 UE从所述基站调度资源 模式切换到所述自主选择资源模式时, 所述 UE取消已经触发的 BSR上报。
进一歩地, 图 7或图 8所示实施例中, 当所述 UE从所述基站调度资源 模式切换到所述自主选择资源模式时,取消已经触发的用于 D2D资源请求的 随机接入过程, 所述用于 D2D资源请求的随机接入过程是指当 D2D BSR上 报触发后没有上行资源发送 D2D BSR 并且所述 UE 没有配置发送 SR 的 PUCCH从而触发的随机接入过程; 所述取消已经触发的用于 D2D资源请求 的随机接入过程, 包括至少以下操作中的一种: 取消 Preamble码的发送、 取 消 MSG3的发送、终止所述随机接入过程并认为所述随机接入过程成功完成。
进一歩地, 图 7或图 8所示实施例中, 所述 BSR包括 D2D BSR。
图 9为本发明实施例提供的缓存状态报告上报方法实施例三的流程图, 如图 9所示, 本实施例的方法包括:
歩骤 S901 , 基站向 UE发送第一上行资源调度信息, 所述第一上行资源 调度信息用于指示为所述 UE分配的第一上行资源。
歩骤 S902, 若所述第一上行资源不能承载所述 UE的全部 BSR, 则所述 基站接收所述 UE在所述第一上行资源上发送的所述 UE的全部 BSR中的第 一部分, 所述第一部分不包括所述 UE的全部 BSR。
歩骤 S903 , 所述基站向所述 UE发送第二上行资源调度信息, 所述第二 上行资源调度信息用于指示为所述 UE分配的第二上行资源。 歩骤 S904,所述基站接收所述 UE在所述第二上行资源上发送的所述 UE 的全部 BSR中的第二部分。
本实施例的缓存状态报告上报方法用于完成图 4所示的基站的处理, 其 实现原理和技术效果类似, 此处不再赘述。
进一歩地, 图 9所示实施例中, 所述第二部分包括所述 UE的全部 BSR 中除所述第一部分外的其它部分; 或者所述第二部分包括所述 UE 的全部 BSR。
进一歩地, 图 9所示实施例中, 所述基站向所述 UE发送第二上行资源 调度信息之前, 还包括:
所述基站接收所述 UE发送的未发送完全部 BSR的指示信息。
进一歩地, 图 9所示实施例中, 所述未发送完全部 BSR的指示信息, 包 括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量信息。
进一歩地, 图 9所示实施例中, 所述基站向 UE发送第一上行资源调度 信息, 包括: 所述基站周期性向所述 UE发送第一上行资源调度信息。
图 10为本发明实施例提供的缓存状态报告上报方法实施例四的流程图, 如图 10所示, 本实施例的方法包括:
歩骤 S1001 , 基站接收所述 UE发送的第一 SR, 所述第一 SR为所述 UE 触发常规 BSR上报且没有上行资源用于发送所述 UE的 BSR时触发 SR上报 后发送的。
歩骤 S1002,基站向 UE发送第一上行资源调度信息,所述第一上行资源 调度信息用于指示为所述 UE分配的第一上行资源。
歩骤 S1003 , 若所述第一上行资源不能承载所述 UE的全部 BSR, 则所 述基站接收所述 UE在所述第一上行资源上发送的所述 UE的全部 BSR中的 第一部分, 所述第一部分不包括所述 UE的全部 BSR。
歩骤 S1004,所述基站向所述 UE发送第二上行资源调度信息,所述第二 上行资源调度信息用于指示为所述 UE分配的第二上行资源。
歩骤 S1005 , 所述基站接收所述 UE在所述第二上行资源上发送的所述 UE的全部 BSR中的第二部分。
进一歩地, 图 10所示实施例中, 所述基站向所述 UE发送第二上行资源 调度信息之前, 还包括: 所述基站接收所述 UE发送的第二 SR
进一歩地, 图 9或图 10所示实施例中, 所述 BSR包括 D2D BSR。
图 11为本发明实施例提供的缓存状态报告上报方法实施例五的流程图, 如图 11所示, 本实施例的方法包括:
歩骤 S1101 , UE接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为所述 UE分配的第一上行资源。
歩骤 S1102, 若所述 UE触发填充 BSR上报, 且所述第一上行资源承载 上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全部 BSR, 则所 述 UE根据预设的 BSR优先级规则向所述基站发送 BSR。
本实施例的缓存状态报告上报方法用于完成图 5 所示的用户设备的处 理, 其实现原理和技术效果类似, 此处不再赘述。
进一歩地, 图 11所示实施例中, 所述 BSR优先级规则包括: 蜂窝 BSR 的优先级高于设备到设备 D2D BSR的优先级。
进一歩地, 图 11所示实施例中, 所述 UE的全部 BSR包括蜂窝 BSR和 D2D BSR,所述 UE根据预设的 BSR优先级规则向所述基站发送 BSR,包括: 若所述蜂窝 BSR上报的数据量为 0, 则所述 UE优先在所述第一上行资源上 向所述基站发送所述 D2D BSR; 若所述蜂窝 BSR上报的数据量不为 0, 则所 述 UE优先在所述第一上行资源上向所述基站发送所述蜂窝 BSR。
图 12为本发明实施例提供的缓存状态报告上报方法实施例六的流程图, 如图 12所示, 本实施例的方法包括:
歩骤 S1201 ,基站向 UE发送第一上行资源调度信息,所述第一上行资源 调度信息用于指示为所述 UE分配的第一上行资源。
歩骤 S1202, 如果所述上行资源承载上行数据和 MAC PDU后, 剩余的 资源不能承载所述 UE的全部 BSR, 所述基站在所述第一上行资源上接收所 述 UE根据预设的 BSR优先级规则向所述基站发送的 BSR。
本实施例的缓存状态报告上报方法用于完成图 6所示的基站的处理, 其 实现原理和技术效果类似, 此处不再赘述。
进一歩地, 图 12所示实施例中, 所述 BSR优先级规则包括: 蜂窝 BSR 的优先级高于 D2D BSR的优先级。
进一歩地, 图 12所示实施例中, 若所述基站在所述第一上行资源上仅接 收到 D2D BSR, 则所述基站确定所述 UE对应的蜂窝 BSR数据量为 0。
需要说明的是, 本发明实施例中的接收模块 31或接收模块 51可以与用 户设备的接收器对应, 也可以对应用户设备的收发器。 处理模块 32或处理模 块 52 可以与用户设备的处理器对应, 这里处理器可以是一个中央处理器 (Central Processing Unit, CPU) , 或者是特定集成电路( Application Specific Integrated Circuit, ASIC) , 或者完成实施本发明实施例的一个或多个集成电 路。 发送模块 33或发送模块 53可以与用户设备的发送器对应, 也可以对应 用户设备的收发器。用户设备还可以包括存储器, 存储器用于存储指令代码, 处理器调用存储器的指令代码,控制本发明实施例中的接收模块 31或接收模 块 51或发送模块 33或发送模块 53执行上述操作。
本发明实施例中的发送模块 41或发送模块 61可以与基站的发送器对应, 也可以对应基站的收发器。 处理模块 42或处理模块 63可以与基站的处理器 对应, 这里处理器可以是一个 CPU, 或者是 ASIC, 或者完成实施本发明实 施例的一个或多个集成电路。 接收模块 43或接收模块 62可以与基站的接收 器对应, 也可以对应基站的收发器。 基站还可以包括存储器, 存储器用于存 储指令代码, 处理器调用存储器的指令代码, 控制本发明实施例中的发送模 块 41或发送模块 61或接收模块 43或接收模块 62执行上述操作。
本领域普通技术人员可以理解: 实现上述各方法实施例的全部或部分歩 骤可以通过程序指令相关的硬件来完成。 前述的程序可以存储于一计算机可 读取存储介质中。 该程序在执行时, 执行包括上述各方法实施例的歩骤; 而 前述的存储介质包括: ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码 的介质。
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非对 其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换。 因此, 本发明的保护范围 应以权利要求的保护范围为准。

Claims

权利 要求 书
1、 一种用户设备, 其特征在于, 包括:
接收模块, 用于接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为所述用户设备 UE分配的第一上行资源;
处理模块, 用于确定所述第一上行资源是否能承载所述 UE的全部缓存 状态报告 BSR;
发送模块,用于若所述处理模块确定所述第一上行资源不能承载所述 UE 的全部 BSR, 则在所述第一上行资源上向所述基站发送所述 UE的全部 BSR 中的第一部分, 所述第一部分不包括所述 UE的全部 BSR;
所述接收模块, 还用于接收所述基站发送的第二上行资源调度信息, 所 述第二上行资源调度信息用于指示为所述 UE分配的第二上行资源;
所述发送模块, 还用于在所述第二上行资源上向所述基站发送所述 UE 的全部 BSR中的第二部分。
2、 根据权利要求 1所述的用户设备, 其特征在于, 所述第二部分包括所 述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
3、 根据权利要求 1或 2所述的用户设备, 其特征在于, 所述发送模块, 还用于在所述接收模块接收所述基站发送的第二上行资源调度信息之前, 向 所述基站发送未发送完全部 BSR的指示信息。
4、 根据权利要求 3 所述的用户设备, 其特征在于, 所述未发送完全部
BSR的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR
¾廿:骨里 I Ή自、。
5、 根据权利要求 1〜4任一项所述的用户设备, 其特征在于, 所述接收 模块, 具体用于接收所述基站周期性发送的所述第一上行资源调度信息。
6、 根据权利要求 1〜4任一项所述的用户设备, 其特征在于, 所述处理 模块, 还用于在所述接收模块接收所述基站发送的所述第一上行资源调度信 息之前, 触发调度请求 SR上报;
所述发送模块, 还用于在所述处理模块触发 SR上报后, 向所述基站发 送第一 SR,所述 SR上报为所述处理模块触发常规 BSR上报且没有上行资源 用于发送所述 UE的 BSR时触发的。
7、 根据权利要求 6所述的用户设备, 其特征在于, 所述处理模块, 具体 用于当所述 UE从自主选择资源模式切换到基站调度资源模式, 且所述 UE 的当前设备到设备 D2D逻辑信道有数据等待传输时, 触发常规 BSR上报。
8、 根据权利要求 6或 7所述的用户设备, 其特征在于, 所述发送模块, 具体用于在所述接收模块接收所述基站发送的第二上行资源调度信息之前, 向所述基站发送第二 SR。
9、 根据权利要求 6〜8任一项所述的用户设备, 其特征在于, 所述处理 模块, 还用于当所述发送模块已经向所述基站发送所述 UE的全部 BSR后, 取消已经触发的 SR上报或者常规 BSR上报。
10、 根据权利要求 1〜8任一项所述的用户设备, 其特征在于, 所述处理 模块, 还用于当所述 UE从所述基站调度资源模式切换到所述自主选择资源 模式时, 取消已经触发的 BSR上报。
11、根据权利要求 1〜10任一项所述的用户设备,其特征在于,所述 BSR 包括 D2D BSR。
12、 一种基站, 其特征在于, 包括:
发送模块, 用于向用户设备 UE发送第一上行资源调度信息, 所述第一 上行资源调度信息用于指示为所述 UE分配的第一上行资源;
接收模块, 用于若所述第一上行资源不能承载所述 UE的全部缓存状态 报告 BSR,则接收所述 UE在所述第一上行资源上发送的所述 UE的全部 BSR 中的第一部分, 所述第一部分不包括所述 UE的全部 BSR;
所述发送模块, 还用于向所述 UE发送第二上行资源调度信息, 所述第 二上行资源调度信息用于指示为所述 UE分配的第二上行资源;
所述接收模块, 还用于接收所述 UE在所述第二上行资源上发送的所述 UE的全部 BSR中的第二部分;
处理模块, 用于为所述 UE分配所述第一上行资源和所述第二上行资源。
13、 根据权利要求 12所述的基站, 其特征在于, 所述第二部分包括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
14、 根据权利要求 12或 13所述的基站, 其特征在于, 所述接收模块, 还用于在所述发送模块向所述 UE发送第二上行资源调度信息之前, 接收所 述 UE发送的未发送完全部 BSR的指示信息。
15、根据权利要求 14所述的基站, 其特征在于, 所述未发送完全部 BSR 的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量
I Ft自、。
16、 根据权利要求 12〜15任一项所述的基站, 其特征在于, 所述发送模 块, 具体用于周期性向所述 UE发送第一上行资源调度信息。
17、 根据权利要求 12〜15任一项所述的基站, 其特征在于, 所述接收模 块, 还用于在所述发送模块向所述 UE发送所述第一上行资源调度信息之前, 接收所述 UE发送的第一调度请求 SR,所述第一 SR为所述 UE触发常规 BSR 上报且没有上行资源用于发送所述 UE的 BSR时触发 SR上报后发送的。
18、 根据权利要求 17所述的基站, 其特征在于, 所述接收模块, 还用于 在所述发送模块向所述 UE发送第二上行资源调度信息之前, 接收所述 UE 发送的第二 SR。
19、 根据权利要求 12〜18任一项所述的基站, 其特征在于, 所述 BSR 包括设备到设备 D2D BSR。
20、 一种用户设备, 其特征在于, 包括:
接收模块, 用于接收基站发送的第一上行资源调度信息, 所述第一上行 资源调度信息用于指示为用户设备 UE分配的第一上行资源;
处理模块, 用于触发填充缓存状态报告 BSR上报, 且确定所述第一上行 资源承载上行数据和媒体访问控制 MAC控制元素 PDU后, 剩余的资源是否 能承载所述 UE的全部 BSR;
发送模块, 用于若所述处理模块触发填充 BSR上报, 且确定所述第一上 行资源在承载上行数据和 MAC PDU后, 剩余的资源不能承载所述 UE的全 部 BSR, 则根据预设的 BSR优先级规则向所述基站发送 BSR。
21、 根据权利要求 20所述的用户设备, 其特征在于, 所述 BSR优先级 规则包括: 蜂窝 BSR的优先级高于设备到设备 D2D BSR的优先级。
22、 一种基站, 其特征在于, 包括:
发送模块, 用于向用户设备 UE发送第一上行资源调度信息, 所述第一 上行资源调度信息用于指示为所述 UE分配的第一上行资源;
接收模块, 用于在所述第一上行资源上接收所述 UE根据预设的缓存状 态报告 BSR优先级规则向所述基站发送的 BSR, 所述 BSR为所述 UE确定 所述上行资源承载上行数据和媒体访问控制 MAC控制元素 PDU后, 剩余的 资源不能承载所述 UE的全部 BSR后发送的;
处理模块, 用于为所述 UE分配所述第一上行资源。
23、 根据权利要求 22所述的基站, 其特征在于, 所述 BSR优先级规则 包括: 蜂窝 BSR的优先级高于设备到设备 D2D BSR的优先级。
24、 一种缓存状态报告上报方法, 其特征在于, 包括:
用户设备 UE接收基站发送的第一上行资源调度信息, 所述第一上行资 源调度信息用于指示为所述 UE分配的第一上行资源;
若所述第一上行资源不能承载所述 UE的全部缓存状态报告 BSR, 则所 述 UE在所述第一上行资源上向所述基站发送所述 UE的全部 BSR中的第一 部分, 所述第一部分不包括所述 UE的全部 BSR;
所述 UE接收所述基站发送的第二上行资源调度信息, 所述第二上行资 源调度信息用于指示为所述 UE分配的第二上行资源;
所述 UE在所述第二上行资源上向所述基站发送所述 UE的全部 BSR中 的第二部分。
25、 根据权利要求 24所述的方法, 其特征在于, 所述第二部分包括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
26、 根据权利要求 24或 25所述的方法, 其特征在于, 所述 UE接收所 述基站发送的第二上行资源调度信息之前, 还包括: 所述 UE 向所述基站发 送未发送完全部 BSR的指示信息。
27、根据权利要求 26所述的方法, 其特征在于, 所述未发送完全部 BSR 的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量 信息。
28、 根据权利要求 24〜27任一项所述的方法, 其特征在于, 所述 UE接 收基站发送的第一上行资源调度信息, 包括:
所述 UE接收所述基站周期性发送的所述第一上行资源调度信息。
29、 根据权利要求 24〜27任一项所述的方法, 其特征在于, 所述 UE接 收基站发送的第一上行资源调度信息之前, 还包括: 所述 UE触发调度请求 SR上报并向所述基站发送第一 SR, 所述 SR上 报为所述 UE触发常规 BSR上报且没有上行资源用于发送所述 UE的 BSR时 触发的。
30、 根据权利要求 29所述的方法, 其特征在于, 所述 UE触发常规 BSR 上报, 包括:
当所述 UE从自主选择资源模式切换到基站调度资源模式, 且所述 UE 的当前设备到设备 D2D逻辑信道有数据等待传输时,所述 UE触发常规 BSR 上报。
31、 根据权利要求 29或 30所述的方法, 其特征在于, 所述 UE接收所 述基站发送的第二上行资源调度信息之前, 还包括:
所述 UE向所述基站发送第二 SR。
32、 根据权利要求 29〜31任一项所述的方法, 其特征在于, 所述方法还 包括:
当所述 UE已经向所述基站发送所述 UE的全部 BSR后, 所述 UE取消 已经触发的 SR上报或者常规 BSR上报。
33、 根据权利要求 24〜31任一项所述的方法, 其特征在于, 所述方法还 包括:
当所述 UE从所述基站调度资源模式切换到所述自主选择资源模式时, 所述 UE取消已经触发的 BSR上报。
34、 根据权利要求 24〜33任一项所述的方法, 其特征在于, 所述 BSR 包括 D2D BSR。
35、 一种缓存状态报告上报方法, 其特征在于, 包括:
基站向用户设备 UE发送第一上行资源调度信息, 所述第一上行资源调 度信息用于指示为所述 UE分配的第一上行资源;
若所述第一上行资源不能承载所述 UE的全部缓存状态报告 BSR, 则所 述基站接收所述 UE在所述第一上行资源上发送的所述 UE的全部 BSR中的 第一部分, 所述第一部分不包括所述 UE的全部 BSR;
所述基站向所述 UE发送第二上行资源调度信息, 所述第二上行资源调 度信息用于指示为所述 UE分配的第二上行资源;
所述基站接收所述 UE在所述第二上行资源上发送的所述 UE的全部 BSR 中的第二部分。
36、 根据权利要求 35所述的方法, 其特征在于, 所述第二部分包括所述 UE的全部 BSR中除所述第一部分外的其它部分;
或者所述第二部分包括所述 UE的全部 BSR。
37、 根据权利要求 35或 36所述的方法, 其特征在于, 所述基站向所述
UE发送第二上行资源调度信息之前, 还包括:
所述基站接收所述 UE发送的未发送完全部 BSR的指示信息。
38、根据权利要求 37所述的方法, 其特征在于, 所述未发送完全部 BSR 的指示信息, 包括: 如下信息中的至少一个: BSR剩余指示、 剩余 BSR容量 信息。
39、 根据权利要求 35〜38任一项所述的方法, 其特征在于, 所述基站向 UE发送第一上行资源调度信息, 包括:
所述基站周期性向所述 UE发送第一上行资源调度信息。
40、 根据权利要求 35〜38任一项所述的方法, 其特征在于, 所述基站向 UE发送第一上行资源调度信息之前, 还包括:
所述基站接收所述 UE发送的第一调度请求 SR,所述第一 SR为所述 UE 触发常规 BSR上报且没有上行资源用于发送所述 UE的 BSR时触发 SR上报 后发送的。
41、 根据权利要求 40所述的方法, 其特征在于, 所述基站向所述 UE发 送第二上行资源调度信息之前, 还包括:
所述基站接收所述 UE发送的第二 SR。
42、 根据权利要求 35〜41 任一项所述的方法, 其特征在于, 所述 BSR 包括设备到设备 D2D BSR。
43、 一种缓存状态报告上报方法, 其特征在于, 包括:
用户设备 UE接收基站发送的第一上行资源调度信息, 所述第一上行资 源调度信息用于指示为所述 UE分配的第一上行资源;
若所述 UE触发填充缓存状态报告 BSR上报, 且所述第一上行资源承载 上行数据和媒体访问控制 MAC控制元素 PDU后, 剩余的资源不能承载所述 UE 的全部 BSR, 则所述 UE根据预设的 BSR优先级规则向所述基站发送 BSR。
44、 根据权利要求 43所述的方法, 其特征在于, 所述 BSR优先级规则 包括: 蜂窝 BSR的优先级高于设备到设备 D2D BSR的优先级。
45、 一种缓存状态报告上报方法, 其特征在于, 包括:
基站向用户设备 UE发送第一上行资源调度信息, 所述第一上行资源调 度信息用于指示为所述 UE分配的第一上行资源;
如果所述上行资源承载上行数据和媒体访问控制 MAC 控制元素 PDU 后, 剩余的资源不能承载所述 UE的全部缓存状态报告 BSR, 所述基站在所 述第一上行资源上接收所述 UE根据预设的 BSR优先级规则向所述基站发送 的 BSR。
46、 根据权利要求 45所述的方法, 其特征在于, 所述 BSR优先级规则 包括: 蜂窝 BSR的优先级高于设备到设备 D2D BSR的优先级。
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