WO2015149657A1 - 一种缓冲区状态上报bsr触发方法及装置 - Google Patents
一种缓冲区状态上报bsr触发方法及装置 Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 description 9
- 230000000737 periodic effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000004590 computer program Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
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- 230000001413 cellular effect Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Definitions
- the present invention relates to the field of wireless communications, and in particular, to a buffer state reporting BSR triggering method and apparatus.
- D2D Discovery Device to Device Discovery
- Device to Device Communication Device to Device Communication
- FIG. 1 shows the system architecture diagram of the D2N transmission mode.
- UE user equipment
- eNodeB evolved Node B
- the communication is forwarded and controlled by the eNodeB, so there is no direct communication link between the UE and the UE.
- BSR Buffer State Reporting
- the base station After the uplink resource is allocated to the UE, the base station does not trigger the BSR, and the UE uses the uplink resource to send uplink data. If the uplink resource is insufficient to send all uplink data, the priority is given. Report to Regular BSR or Periodic BSR, based on The station performs subsequent transmission scheduling according to the amount of uplink data required by the UE carried in the BSR.
- MAC Media Access Control
- PDU Protocol Data Unit
- FIG. 2 shows a system architecture diagram of the D2D transmission mode.
- the communication link between the UE and the UE is a Device to Device Link (D2D Link)
- the cellular communication link between the UE and the eNodeB is a device to network cellular link (Device To Network Link, D2N Link).
- the resource allocation mode of the D2D communication is: a resource allocated by the base station for carrying D2D communication scheduling signaling and a resource for carrying D2D communication data.
- the UE needs to request the transmission resource for D2D from the eNodeB through the D2N cellular link, the D2D resource request process is implemented by the D2N BSR process, and the D2D resource request process is independent of the D2N BSR process.
- the triggering mechanism of the D2D BSR includes: D2D Regular BSR, D2D Periodic BSR, and D2D Padding BSR.
- D2D Regular BSR and the D2D Periodic BSR the trigger mechanism can follow the trigger mechanism of the D2N Regular BSR and the D2N Periodic BSR.
- the D2D Padding BSR the trigger mechanism is different from the D2N Padding BSR, and a new trigger mechanism needs to be introduced.
- the embodiment of the invention provides a BSR triggering method and device, which solves the problem that there is no D2D Padding BSR triggering mechanism in the prior art.
- the BSR MAC CE is a media access control layer control unit that reports the status of the device-to-device communication, and the D2D Padding BSR reports the status of the device-to-device communication.
- a determining unit configured to determine a Padding resource size when the D2N MAC PDU is organized; wherein the D2N MAC PDU is a protocol data unit of a medium access control layer of the device to the network link;
- a determining unit configured to determine whether to trigger a D2D Padding BSR according to the size of the Padding resource and the priority of the D2D Padding BSR MAC CE; wherein the D2D Padding BSR MAC CE is a piggybacking device for carrying device-to-device communication
- the media access control layer control unit that reports the buffer status, and the D2D Padding BSR reports the status of the device-to-device communication.
- the user equipment determines the Padding resource size when the D2N MAC PDU is organized, and determines whether to trigger the D2D Padding BSR according to the Padding resource size and the priority of the D2D Padding BSR MAC CE, and implements the D2D Padding BSR trigger. mechanism.
- 1 is a system architecture diagram of a D2N transmission mode in the prior art
- FIG. 2 is a system architecture diagram of a D2D transmission mode in the prior art
- FIG. 3 is a schematic flowchart of a BSR triggering method according to an embodiment of the present disclosure
- FIG. 4 is a schematic flowchart of a decision triggering D2N Padding BSR according to an embodiment of the present invention
- FIG. 5 is a schematic flowchart of a decision triggering D2D Padding BSR and a D2N Padding BSR according to an embodiment of the present invention
- FIG. 6 is a schematic flowchart of a decision triggering D2D Padding BSR according to an embodiment of the present invention.
- FIG. 7 is a schematic flowchart of another decision triggering D2D Padding BSR and a D2N Padding BSR according to an embodiment of the present disclosure
- FIG. 8 is a schematic diagram of a format of a MAC subheader according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a BSR triggering apparatus according to an embodiment of the present disclosure.
- FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart of a method for triggering a BSR according to an embodiment of the present invention.
- the triggering process of the D2D Padding BSR may include:
- Step 31 Determine the Padding resource size when the user equipment organizes the D2N MAC PDU.
- the Padding resource is the uplink resource allocated to the user equipment in the subframe where the D2N MAC PDU is located, and the remaining resources after the D2N data and the control information that the user equipment needs to transmit are subtracted.
- the process of determining whether to trigger the size of the Padding resource used in the D2D Padding BSR may be: subtracting the following resources from the uplink resource of the subframe where the D2N MAC PDU is located by the user equipment, to obtain the Padding resource size:
- the resources occupied by the logical channel data on the D2N link except the UL-CCCH, wherein the resources occupied by the logical channel data on the D2N link include resources occupied by the MAC subheader and the payload;
- the resources occupied by the D2D MAC CE are used by the D2D MAC CE, and the resources occupied by the D2D MAC CE include the resources occupied by the MAC subheader and the payload.
- the following resources are subtracted from the uplink resources of the subframe in which the D2N MAC PDU is located in the first priority order or the second priority order to obtain the Padding resource size.
- the first priority order includes, according to the priority from high to low, the resources occupied by the D2N MAC CE except for the D2N Padding BSR, and the resources occupied by the logical channel data on the D2N link except the UL-CCCH, except Used to carry resources occupied by other D2D MAC CEs other than the D2D Padding BSR.
- the second priority order includes the resources occupied by the D2N MAC CEs other than the D2N Padding BSR, except for the resources occupied by the D2D MAC CEs for carrying the D2D Padding BSR.
- the base station allocates the resource size for the user equipment in the uplink subframe, the D2N data (including the corresponding MAC sub-header and payload) and the control information that the user equipment needs to transmit in the subframe (D2N Padding)
- the user equipment determines that there is a Padding resource at the time, and the Padding resource size is the uplink resource allocated by the base station in the subframe minus the resources occupied by the D2N MAC CE other than the D2N Padding BSR.
- the resources occupied by the logical channel data on the D2N link and the remaining resources other than the resources occupied by the D2D MAC CE for carrying the D2D Padding BSR are examples of the resources occupied by the logical channel data on the D2N link and the remaining resources other than the resources occupied by the D2D MAC CE for carrying the D2D Padding BSR.
- Step 32 The user equipment determines whether to trigger the D2D Padding BSR according to the Padding resource size and the priority of the D2D Padding BSR MAC CE.
- the D2D Padding BSR MAC CE is a media access control layer control unit for reporting device-to-device communication status
- the D2D Padding BSR is a device-to-device communication buffered state report
- the D2N Padding BSR is a device. Report to the buffered state of the network link.
- the priority of the D2D Padding BSR MAC CE is lower than the priority of the D2N Padding BSR MAC CE, if the Padding resource determined by the foregoing step 31 is sufficient to carry the D2D Padding BSR and the D2N Padding BSR, it is determined that the D2D is triggered.
- Padding BSR and D2N Padding BSR if the Padding resource determined by the above step 31 is carrying D2N If the remaining resources after the Padding BSR are insufficient to carry the D2D Padding BSR, it is determined that the D2N Padding BSR is triggered but the D2N Padding BSR is not triggered.
- the Padding resource can only carry the D2N Padding BSR (including the MAC subheader and the payload), it is determined that the D2N Padding BSR is triggered, and the D2D Padding BSR is not triggered.
- the Padding resource is sufficient to carry both the D2D Padding BSR (including the MAC subheader and the payload) and the D2N Padding BSR (including the MAC subheader and the payload), it is determined that the D2D Padding BSR and the D2N Padding BSR are simultaneously triggered.
- the Padding resource determined by the foregoing step 31 is sufficient to carry the D2D Padding BSR (including the MAC subheader and the payload), then it is determined. Trigger D2D Padding BSR.
- the remaining resources of the Padding resource determined by the foregoing step 31 after the D2D Padding BSR is insufficient to carry the D2N Padding BSR, it is determined that the D2D Padding BSR is triggered but the D2N Padding BSR is not triggered; if the Padding determined by the above step 31 is determined, The resources are sufficient to carry the D2D Padding BSR (including the MAC subheader and payload) and the D2N Padding BSR (including the MAC subheader and payload), and then determine to trigger the D2D Padding BSR and the D2N Padding BSR.
- the priority of the D2D Padding BSR MAC CE is higher than the priority of the D2N Padding BSR MAC CE, as shown in FIG. 6, if the Padding resource is only sufficient to carry the D2D Padding BSR (including the MAC subheader and the net) Load), it is determined that the D2D Padding BSR is triggered, and the D2N Padding BSR is not triggered. As shown in FIG. 6,
- the Padding resource is sufficient to carry both the D2D Padding BSR (including the MAC subheader and the payload) and the D2N Padding BSR (including the MAC subheader and the payload), it is determined that the D2D Padding BSR and the D2N Padding BSR are simultaneously triggered.
- the user equipment needs to organize the uplink data into a MAC PDU and deliver the protocol layer below the MAC layer for transmission.
- the MAC sub-headers corresponding to the MAC CE included in the D2N MAC PDU are placed before the MAC sub-header corresponding to the included data unit; in the D2N MAC PDU, the MAC CE and the data unit are in the MAC PDU payload.
- the placement order in the match matches the placement order of the corresponding MAC subheader.
- the MAC PDU subheader includes resources occupied by D2N MAC CEs other than the D2N Padding BSR, resources occupied by D2D MAC CEs for carrying D2D Padding BSRs, D2N Padding BSR MAC CE, D2D Padding
- the MAC sub-header corresponding to the BSR MAC CE and the D2N data is taken as an example.
- a possible format of the MAC sub-header can be as shown in FIG. 8 , where the placement is performed in the following order: except for the D2N MAC for carrying the D2N Padding BSR.
- the CE subheader in addition to the D2DMAC CE subheader for the D2D Padding BSR, the D2N Padding BSR MAC CE subheader, the D2D Padding BSR MAC CE subheader, and the MAC subheader corresponding to the D2N data.
- the user equipment determines the Padding resource size when the D2N MAC PDU is organized, and determines whether to trigger the D2D Padding BSR according to the Padding resource size and the priority of the D2D Padding BSR MAC CE, and implements the D2D Padding BSR trigger. mechanism.
- the embodiment of the present invention further provides a BSR triggering device.
- the device includes:
- a determining unit 91 configured to determine a Padding resource size when the D2N MAC PDU is organized; wherein the D2N MAC PDU is a protocol data unit of a medium access control layer of the device to the network link;
- the determining unit 92 is configured to determine whether to trigger the D2D Padding BSR according to the Padding resource size and the priority of the D2D Padding BSR MAC CE, where the D2D Padding BSR MAC CE is used for carrying device-to-device communication.
- the media access control layer control unit that reports the status of the buffer, the D2D Padding BSR reports the status of the device-to-device communication.
- the determining unit 92 is specifically configured to: if the priority of the D2D Padding BSR MAC CE is lower than the priority of the D2N Padding BSR MAC CE, if the Padding resource is sufficient to carry the D2D Padding BSR and the D2N Padding BSR, And determining to trigger the D2D Padding BSR and the D2N Padding BSR; if the remaining resources of the Padding resource after carrying the D2N Padding BSR are insufficient to carry the D2D Padding BSR, determining to trigger the D2N Padding BSR but not triggering the D2N Padding BSR; wherein, the D2N Padding BSR is the device-to-network link ⁇ If the priority of the D2D Padding BSR MAC CE is higher than the priority of the D2N Padding BSR MAC CE, if the Padding resource is sufficient to carry the D2D Padding BSR, it is determined to trigger the D2D Padding BSR.
- the determining unit 92 is specifically configured to: if the remaining resources of the Padding resource after carrying the D2D Padding BSR are insufficient to carry the D2N Padding BSR, determine to trigger the D2D Padding BSR but not trigger the D2N Padding BSR; if the Padding resource Sufficient to carry D2D Padding BSR and D2N Padding BSR, it is determined to trigger D2D Padding BSR and D2N Padding BSR.
- the determining unit 91 is configured to: after the user equipment subtracts the following resources from the uplink resource of the subframe where the D2N MAC PDU is located, obtain the Padding resource size: in addition to the D2N Padding BSR Resources occupied by other D2N MAC CEs, the occupied resources include resources occupied by the MAC subheader and the payload; and resources occupied by logical channel data on the D2N link except for the uplink common control channel UL-CCCH, The occupied resources include resources occupied by the MAC subheader and the payload; and resources occupied by other D2D MAC CEs for carrying the D2D Padding BSR, where the occupied resources include resources occupied by the MAC subheader and the payload. .
- the determining unit 91 is configured to: in the first priority order or the second priority order, subtract, from the user equipment, the resource in the uplink resource of the subframe where the D2N MAC PDU is located; the first The priority order according to the priority from high to low includes: the resource occupied by the D2N MAC CE except for carrying the D2N Padding BSR; the resource occupied by the logical channel data on the D2N link except the UL-CCCH The resource occupied by the D2D MAC CE except for the D2D Padding BSR; the second priority order includes the order of priority from high to low, including: except for carrying the D2N Padding BSR Resources occupied by other D2N MAC CEs; resources occupied by other D2D MAC CEs for carrying D2D Padding BSRs; resources occupied by logical channel data on D2N links other than UL-CCCH.
- the MAC sub-headers corresponding to the MAC CEs included in the D2N MAC PDU are placed before the MAC sub-header corresponding to the included data unit; in the D2N MAC PDU, the The order in which the MAC CE and the data unit are placed in the MAC PDU payload matches the order in which the corresponding MAC subheaders are placed.
- the user equipment can include a transceiver 101, a memory 102, and a processor 103, where:
- the transceiver 101 may include a baseband processing component, a radio frequency processing component, and the like according to actual needs, for transmitting related information.
- the memory 102 is configured to store one or more executable programs, which are used to configure the processor;
- the processor 103 is configured with one or more executable programs, and the one or more executable programs are configured to: determine a Padding resource size when the D2N MAC PDU is organized; wherein the D2N MAC PDU is a protocol data unit of the medium access control layer of the device to the network link; determining whether to trigger the D2D Padding BSR according to the size of the Padding resource and the priority of the D2D Padding BSR MAC CE; wherein the D2D Padding BSR
- the MAC CE is a media access control layer control unit that reports the status of the device-to-device communication, and the D2D Padding BSR reports the status of the device-to-device communication.
- the present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
- the computer program instructions can be provided to a general purpose computer, a special purpose computer, an embedded processor, or a processor of other programmable data processing device such that instructions executed by a processor of the computer or other programmable data processing device can be implemented in a flowchart
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
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Claims (12)
- 一种缓冲区状态上报BSR触发方法,其特征在于,包括:用户设备组织D2N MAC PDU时确定捎带Padding资源大小;其中,所述D2N MAC PDU为设备到网络链路上的媒体接入控制层的协议数据单元;所述用户设备根据所述Padding资源大小,以及D2D Padding BSR MAC CE的优先级,对是否触发D2D Padding BSR进行判决;其中,所述D2D Padding BSR MAC CE为用于承载设备到设备通信的捎带缓冲区状态上报的媒体接入控制层控制单元,所述D2D Padding BSR为设备到设备通信的捎带缓冲区状态上报。
- 如权利要求1所述的方法,其特征在于,所述用户设备根据所述Padding资源大小,以及D2D Padding BSR MAC CE的优先级,对是否触发D2D Padding BSR进行判决,包括:在D2D Padding BSR MAC CE的优先级低于D2N Padding BSR MAC CE的优先级的情况下,若所述Padding资源足够承载D2D Padding BSR与D2N Padding BSR,则确定触发D2D Padding BSR和D2N Padding BSR;若所述Padding资源在承载D2N Padding BSR后的剩余资源不够承载D2D Padding BSR,则确定触发D2N Padding BSR但不触发D2N Padding BSR;在D2D Padding BSR MAC CE的优先级高于D2N Padding BSR MAC CE的优先级的情况下,若所述Padding资源足够承载D2D Padding BSR,则确定触发D2D Padding BSR。
- 如权利要求2所述的方法,其特征在于,所述在D2D Padding BSR MAC CE的优先级高于D2N Padding BSR MAC CE的优先级的情况下,若所述Padding资源足够承载D2D Padding BSR,则确定触发D2D Padding BSR,包括:若所述Padding资源在承载D2D Padding BSR后的剩余资源不够承载D2N Padding BSR,则确定触发D2D Padding BSR但不触发D2N Padding BSR;若所述Padding资源足够承载D2D Padding BSR和D2N Padding BSR,则确定触发D2D Padding BSR和D2N Padding BSR。
- 如权利要求1所述的方法,其特征在于,所述确定Padding资源大小,包括:从所述用户设备在所述D2N MAC PDU所在子帧的上行资源中减去以下资源,得到所述Padding资源大小:除用于承载D2N Padding BSR以外的其他D2N MAC CE占用的资源,所述占用的资源包括MAC子头和净荷所占用的资源;以及,除上行公共控制信道UL-CCCH以外,D2N链路上的逻辑信道数据占用的资源,所述占用的资源包括MAC子头和净荷占用的资源;以及,除用于承载D2D Padding BSR以外的其他D2D MAC CE占用的资源,所述占用的资源包括MAC子头和净荷占用的资源。
- 如权利要求4所述的方法,其特征在于,按照第一优先级顺序或第二优先级顺序从所述用户设备在所述D2N MAC PDU所在子帧的上行资源中减去资源;所述第一优先级顺序中按照优先级从高到低包括:所述除用于承载D2N Padding BSR以外的其他D2N MAC CE占用的资源;所述除UL-CCCH以外D2N链路上的逻辑信道数据占用的资源;所述除用于承载D2D Padding BSR以外的其他D2D MAC CE占用的资源;所述第二优先级顺序中按照优先级从高到低的顺序包括:所述除用于承载D2N Padding BSR以外的其他D2N MAC CE占用的资源;所述除用于承载D2D Padding BSR以外的其他D2D MAC CE占用的资源;所述除UL-CCCH以外D2N链路上的逻辑信道数据占用的资源。
- 如权利要求1-5中任一项所述的方法,其特征在于,所述D2N MAC PDU中包含的MAC CE对应的MAC子头均放置在包含的数据单元对应的MAC子头之前;所述D2N MAC PDU中,所述MAC CE和数据单元在MAC PDU净荷中的放置顺序与对应的MAC子头的放置顺序相匹配。
- 一种缓冲区状态上报BSR触发装置,其特征在于,包括:确定单元,用于在组织D2N MAC PDU时确定捎带Padding资源大小;其中,所述D2N MAC PDU为设备到网络链路上的媒体接入控制层的协议数据单元;判决单元,用于根据所述Padding资源大小,以及D2D Padding BSR MAC CE的优先级,对是否触发D2D Padding BSR进行判决;其中,所述D2D Padding BSR MAC CE为用于承载设备到设备通信的捎带缓冲区状态上报的媒体接入控制层控制单元,所述D2D Padding BSR为设备到设备通信的捎带缓冲区状态上报。
- 如权利要求7所述的装置,其特征在于,所述判决单元具体用于,在D2D Padding BSR MAC CE的优先级低于D2N Padding BSR MAC CE的优先级的情况下,若所述Padding资源足够承载D2D Padding BSR与D2N Padding BSR,则确定触发D2D Padding BSR和D2N Padding BSR;若所述Padding资源在承载D2N Padding BSR后的剩余资源不够承载D2D Padding BSR,则确定触发D2N Padding BSR但不触发D2N Padding BSR;其中,所述D2N Padding BSR为设备到网络链路的捎带缓冲区状态上报;在D2D Padding BSR MAC CE的优先级高于D2N Padding BSR MAC CE的优先级的情况下,若所述Padding资源足够承载D2D Padding BSR,则确定触发D2D Padding BSR。
- 如权利要求8所述的装置,其特征在于,所述判决单元具体用于,若所述Padding资源在承载D2D Padding BSR后的剩余资源不够承载D2N Padding BSR,则确定触发D2D Padding BSR但不触发D2N Padding BSR;若所述Padding资源足够承载D2D Padding BSR和D2N Padding BSR,则 确定触发D2D Padding BSR和D2N Padding BSR。
- 如权利要求7所述的装置,其特征在于,所述确定单元具体用于,从所述用户设备在所述D2N MAC PDU所在子帧的上行资源中减去以下资源,得到所述Padding资源大小:除用于承载D2N Padding BSR以外的其他D2N MAC CE占用的资源,所述占用的资源包括MAC子头和净荷所占用的资源;以及,除上行公共控制信道UL-CCCH以外,D2N链路上的逻辑信道数据占用的资源,所述占用的资源包括MAC子头和净荷占用的资源;以及,除用于承载D2D Padding BSR以外的其他D2D MAC CE占用的资源,所述占用的资源包括MAC子头和净荷占用的资源。
- 如权利要求10所述的装置,其特征在于,所述确定单元具体用于,按照第一优先级顺序或第二优先级顺序从所述用户设备在所述D2N MAC PDU所在子帧的上行资源中减去资源;所述第一优先级顺序中按照优先级从高到低包括:所述除用于承载D2N Padding BSR以外的其他D2N MAC CE占用的资源;所述除UL-CCCH以外D2N链路上的逻辑信道数据占用的资源;所述除用于承载D2D Padding BSR以外的其他D2D MAC CE占用的资源;所述第二优先级顺序中按照优先级从高到低的顺序包括:所述除用于承载D2N Padding BSR以外的其他D2N MAC CE占用的资源;所述除用于承载D2D Padding BSR以外的其他D2D MAC CE占用的资源;所述除UL-CCCH以外D2N链路上的逻辑信道数据占用的资源。
- 如权利要求7-11中任一项所述的装置,其特征在于,所述D2N MAC PDU中包含的MAC CE对应的MAC子头均放置在包含的数据单元对应的 MAC子头之前;所述D2N MAC PDU中,所述MAC CE和数据单元在MAC PDU净荷中的放置顺序与对应的MAC子头的放置顺序相匹配。
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