WO2017012467A1 - 一种资源分配的方法和设备 - Google Patents

一种资源分配的方法和设备 Download PDF

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Publication number
WO2017012467A1
WO2017012467A1 PCT/CN2016/088640 CN2016088640W WO2017012467A1 WO 2017012467 A1 WO2017012467 A1 WO 2017012467A1 CN 2016088640 W CN2016088640 W CN 2016088640W WO 2017012467 A1 WO2017012467 A1 WO 2017012467A1
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Prior art keywords
lcg
destination address
correspondence
terminal
ppp
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PCT/CN2016/088640
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English (en)
French (fr)
Inventor
赵亚利
张惠英
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电信科学技术研究院
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.)
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Publication date
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Priority to EP16827158.3A priority Critical patent/EP3328140B1/en
Priority to KR1020187004293A priority patent/KR102061436B1/ko
Priority to JP2018502382A priority patent/JP6621524B2/ja
Priority to US15/744,050 priority patent/US20190007930A1/en
Publication of WO2017012467A1 publication Critical patent/WO2017012467A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/168—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] specially adapted for link layer protocols, e.g. asynchronous transfer mode [ATM], synchronous optical network [SONET] or point-to-point protocol [PPP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for resource allocation.
  • the LTE (Long Term Evolution) system adopts a centralized control mode of the network, that is, the uplink and downlink data of the UE (user equipment) are all in the network. Send and receive under the control of.
  • the communication between the UE and the UE is forwarded and controlled by the network.
  • the device-to-device (D2D) technology that is, the user equipment direct-through technology, refers to a method in which neighboring user equipment can transmit data through a direct link in a short range without passing through a central node (for example, The base station) performs forwarding as shown in FIG. 1B.
  • a central node for example, The base station
  • the D2D communication devices may all be in the network, or both are off-network, or some devices may be in the network, and some devices may be off-network.
  • the device that participates in D2D communication on the network is located in the coverage of 3GPP D2D carrier.
  • the so-called off-network that is, the device participating in D2D communication is not covered by the 3GPP D2D carrier.
  • a typical D2D communication scenario includes the following three types:
  • a device can send the same data (group communication) to all devices in a communication group at a time;
  • a device can send the same data (broadcast communication) to all nearby devices at a time;
  • one-to-one communication between D2D terminals is mainly for social applications, and group/broadcast communication is mainly used for public safety applications such as fire fighting, rescue and anti-terrorism.
  • D2D communication supports two D2D transmission resource allocation methods:
  • Mode of resource allocation for network scheduling (Mode1): The mode in which the network allocates resources to the terminal according to the D2D BSR (Buffer Status Report) reported by the terminal.
  • the resource allocation mode (Mode2) of the terminal autonomously selecting resources that is, the terminal selects one resource from the pre-configured or network broadcast transmission resources to perform D2D transmission.
  • the network configures a QoS (Quality of Service) parameter for each bearer when the bearer is established.
  • This parameter is known to the base station. Therefore, the base station can perform QoS-based scheduling.
  • the PPP (Priority Per Packet) parameter corresponding to the data packet is generated by the D2D communication transmitting terminal itself, and is unknown to the base station.
  • Mode1 the resource allocation mode of the D2D communication base station scheduling, if the network only knows the BSR information of the direct communication link (sidelink, for example, D2D link) reported by the terminal, and cannot know the correspondence between the BSR and the PPP, the Scheduling of D2D communication packet priority.
  • the current resource allocation mode of the D2D communication base station scheduling cannot implement the scheduling based on the D2D communication data packet priority.
  • the present disclosure provides a method and a device for resource allocation, which are used to solve the problem of resource allocation of D2D communication base station scheduling in the prior art, and fail to implement scheduling based on D2D communication packet priority.
  • An embodiment of the present disclosure provides a method for resource allocation, where the method includes:
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address
  • the network side device After receiving the sidelink BSR MAC CE reported by the terminal, the network side device determines, according to the first correspondence, the PPP corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE;
  • the network side device allocates resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE.
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, including:
  • the network side device places the first correspondence in a new IE in the SIB of the 3GPP TS 36.331 or a new SIB different from the SIB of the 3GPP TS 36.331, and broadcasts the PPP of each destination address by broadcasting.
  • the first correspondence of the LCG ID informs the terminal.
  • the network side device first responds to the PPP and the LCG ID of each destination address.
  • Relationship notification terminal including:
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address by using dedicated signaling;
  • the first correspondence between the PPP and the LCG ID of the same or different destination addresses of different terminals is the same or different
  • the first correspondence between the PPP and the LCG ID of different destination addresses of the same terminal is the same or different.
  • the network side device before the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, the network side device further includes:
  • the network side device determines, according to the PPP number of the logical channel corresponding to each destination address of the terminal, the first correspondence between the PPP and the LCG ID of each destination address of the terminal.
  • An embodiment of the present disclosure further provides another method for resource allocation, the method comprising:
  • the terminal reports the sidelink BSR MAC CE to the network side device, so that the network side device determines, according to the first correspondence, the PPP corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE, and Allocating resources to the terminal according to the determined PPP.
  • the terminal receives the first correspondence between the PPP and the LCG ID of each destination address of the network side device, including:
  • the terminal receives the first correspondence by using broadcast or dedicated signaling.
  • the terminal puts data of part or all logical channels corresponding to the LCG ID of each destination address into the destination in the sidelink BSR MAC CE.
  • the buffer status information corresponding to the LCG ID of the address includes:
  • the terminal selects one LCG ID from all LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address;
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the terminal selects one LCG ID from all the LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address, and reports the information to the network side device.
  • the sidelink BSR MAC CE it also includes:
  • the terminal is configured to place the first indication information in the sidelink BSR MAC CE, where the first indication information is used to notify the network side device that the LCDC ID corresponding to the destination address in the sidelink BSR MAC CE is The buffer status information of all LCG IDs corresponding to the destination address.
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the LCG ID of each destination address is corresponding to the LCG ID of the destination address in the sidelink BSR MAC CE.
  • the buffer status information includes:
  • the terminal selects, from all LCG IDs corresponding to the destination address, an LCG ID that the data needs to be sent;
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the terminal selects one LCG ID from all the LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address, and reports the information to the network side device.
  • the sidelink BSR MAC CE it also includes:
  • the second indication information corresponding to each destination address is placed in the sidelink BSR MAC CE, where the second indication information corresponding to the destination address is used to notify the network side device of the sidelink BSR MAC CE.
  • the number of LCG IDs corresponding to the destination address is used to notify the network side device of the sidelink BSR MAC CE.
  • the embodiment of the present disclosure further provides a network side device for resource allocation, where the network side device includes:
  • a notification module configured to notify the first correspondence between the PPP and the LCG ID of each destination address terminal
  • a determining module configured to: after receiving the sidelink BSR MAC CE reported by the terminal, determine, according to the first correspondence, a PPP corresponding to an LCG ID of each destination address in the sidelink BSR MAC CE;
  • an allocating module configured to allocate resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE.
  • the notification module is specifically configured to:
  • the first correspondence is placed in a new IE in the SIB of the 3GPP TS 36.331 or a new SIB different from the SIB of the 3GPP TS 36.331, and the first PPP and the LCG ID of each destination address are broadcasted by broadcasting.
  • the corresponding relationship informs the terminal.
  • the notification module is specifically configured to:
  • the first correspondence between the PPP and the LCG ID of the same or different destination addresses of different terminals is the same or different
  • the first correspondence between the PPP and the LCG ID of different destination addresses of the same terminal is the same or different.
  • the notification module is further configured to:
  • An embodiment of the present disclosure further provides a terminal for resource allocation, where the terminal includes:
  • a receiving module configured to receive a first correspondence between a PPP and an LCG ID of each destination address from the network side device
  • a processing module configured to determine, according to the first correspondence, and a second correspondence between the PPP and the logical channel, a third correspondence between the logical channel and the LCG ID of each target address;
  • a generating module configured to, according to the third correspondence, the data of the part or all the logical channels corresponding to the LCG ID in the buffer state information corresponding to the LCG ID in the sidelink BSR MAC CE Medium
  • the reporting module is configured to report the sidelink BSR MAC CE to the network side device, so that the network side device determines, according to the first correspondence, the PPP corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE. And allocating resources to the terminal according to the determined PPP.
  • the receiving module is specifically configured to:
  • the first correspondence is received by broadcast or dedicated signaling.
  • the generating module is specifically configured to:
  • Determining a third correspondence corresponding to each destination address selecting, for a destination address, one LCG ID from all LCG IDs corresponding to the destination address, or selecting all LCG IDs corresponding to the destination address; Corresponding relationship, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the generating module is further configured to:
  • the first indication information is placed in the sidelink BSR MAC CE, where the first indication information is used to notify the network side device that the sidelink BSR MAC CE is an LCG ID corresponding to the destination address or the destination address. Buffer status information for all corresponding LCG IDs.
  • the generating module is specifically configured to:
  • the data of the corresponding partial or all logical channels is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the generating module is further configured to:
  • the second indication information corresponding to each destination address is placed in the sidelink BSR MAC CE, where the second indication information corresponding to the destination address is used to notify the network side device that the destination address in the sidelink BSR MAC CE corresponds to The number of LCG IDs.
  • Embodiments of the present disclosure further provide a network side device for resource allocation, including: a memory; a transceiver for receiving and transmitting data; and a processor for reading a program in the memory, and performing the following process: Notifying the terminal of the first correspondence between the PPP and the LCG ID of the destination address; after receiving the sidelink BSR MAC CE reported by the terminal, determining the LCG of each destination address in the sidelink BSR MAC CE according to the first correspondence ID corresponding to the PPP; according to the determination The buffer status information corresponding to the LCG ID of each destination address in the PPP and the sidelink BSR MAC CE is allocated to each destination address of the terminal by the transceiver.
  • An embodiment of the present disclosure further provides a terminal for resource allocation, including: a memory; a transceiver for receiving and transmitting data; and a processor for reading a program in the memory, performing the following process: receiving, receiving, by the transceiver Determining a first correspondence between a PPP and an LCG ID of each destination address of the network side device; determining a logical channel and a LCG ID of each target address according to the first correspondence and the second correspondence between the PPP and the logical channel a third correspondence relationship, for each destination address, according to the third correspondence, the data of the part or all the logical channels corresponding to the LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE Transmitting, by the transceiver, the sidelink BSR MAC CE to the network side device, so that the network side device determines, according to the first correspondence, the PPP corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE, And allocating resources to the terminal according
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, and after receiving the sidelink BSR MAC CE reported by the terminal, determines the sidelink BSR according to the first correspondence.
  • PPP corresponding to the LCG ID of each destination address in the MAC CE; each destination address of the terminal is allocated according to the buffer status information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE Resources.
  • the network side device is capable of allocating resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE, thereby implementing the PPP according to the PPP. Allocating resources for each destination address of the terminal improves system performance.
  • 1A is a schematic diagram of data of terminal communication in a cellular network in the background art
  • 1B is a schematic diagram of data of a terminal direct connection communication in the background art
  • FIG. 2 is a schematic structural diagram of a system for allocating resources according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a first MAC CE format according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a second MAC CE format according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a first network side device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a first terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a second network side device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a second terminal according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic flowchart of a method for allocating resources according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic flowchart of a method for allocating resources according to a second embodiment of the present disclosure.
  • the network side device notifies the terminal of the first correspondence between the PPP and the LPG (Logical Channel Group) ID (identification) of each destination address, and receives the sidelink BSR MAC CE reported by the terminal.
  • the media access control control unit After the MAC Control Element, the media access control control unit, determining, according to the first correspondence, the PPP corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE; according to the determined PPP and the sidelink BSR MAC CE The buffer status information corresponding to the LCG ID of each destination address allocates resources for each destination address of the terminal.
  • the network side device is capable of allocating resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE, thereby implementing the PPP according to the PPP. Allocating resources for each destination address of the terminal improves system performance.
  • the system for allocating resources includes:
  • the network side device 10 is configured to notify the terminal of the first correspondence between the PPP and the LCG ID of each destination address. After receiving the sidelink BSR MAC CE reported by the terminal, determine the sidelink BSR according to the first correspondence. PPP corresponding to the LCG ID of each destination address in the MAC CE; each destination address of the terminal is allocated according to the buffer status information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE Resource
  • the terminal 20 is configured to determine, according to the received first correspondence between the PPP and the LCG ID of the network side device, and the second correspondence between the PPP and the logical channel, the third correspondence of the logical channel and the LCG ID of each target address. a relationship; for each destination address, according to the third correspondence, the data of part or all of the logical channels corresponding to the LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE; The network side device reports the sidelink BSR MAC CE.
  • the first correspondence between the PPP and the LCG ID of each destination address is the same or not in the embodiment of the present disclosure. with.
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address.
  • the network side device may notify by using broadcast or dedicated signaling when notifying the terminal.
  • the network side device may place the first correspondence in an IE (Information Element Information Element) added in an SIB (System Information Block) of 3GPP TS 36.331. Or adding a new SIB different from the SIB of the 3GPP TS 36.331, and notifying the terminal of the first correspondence between the PPP and the LCG ID of each destination address by broadcasting;
  • IE Information Element Information Element
  • SIB System Information Block
  • the terminal receives the first correspondence by using a broadcast.
  • the dedicated signaling may be signaling that can be sent to the terminal, such as RRC (Radio Resource Control) signaling, MAC (Medium Access Control), Order and so on.
  • RRC Radio Resource Control
  • MAC Medium Access Control
  • the first correspondences of the PPP and the LCG ID corresponding to the same destination address of the different terminals may all be the same or all different or partially the same;
  • the first correspondences of PPPs and LCG IDs corresponding to different destination addresses of different terminals may all be the same or all different or partially the same;
  • the first correspondences of PPPs and LCG IDs of different destination addresses of the same terminal may all be the same or all different or partially identical.
  • the PPP of the logical channel corresponding to the at least one destination address of the terminal that is reported by the terminal is configured to support the network side device to configure a first correspondence between different terminals or different destination addresses of the same terminal. number;
  • the network side device determines the first correspondence between the PPP and the LCG ID of each destination address of the terminal according to the PPP number of the logical channel corresponding to each destination address of the terminal reported by the terminal.
  • the base station can use the 1:1 mapping mode when configuring the first correspondence between the PPP and the LCG ID.
  • an m:1 (m ⁇ 1) mapping is required.
  • the corresponding terminal because the terminal knows the second correspondence between the PPP and the logical channel in advance, after receiving the first correspondence between the PPP and the LCG ID of each destination address, the terminal according to each destination
  • the first correspondence of the address and the second correspondence may determine a third correspondence between the logical channel and the LCG ID of each target address.
  • the sidelink BSR MAC CE corresponding to each target address can be determined.
  • the terminal determines, according to the third correspondence, data of part or all logical channels corresponding to the LCG ID, and places data of part or all logical channels corresponding to the LCG ID on the sidelink BSR MAC.
  • the buffer status information corresponding to the LCG ID in the CE is not limited to the third correspondence.
  • the BSR report is performed according to the LCG ID for each destination address. It is not necessary to carry PPP information in the BSR.
  • the embodiment of the present disclosure provides two solutions:
  • Solution 1 The terminal determines a third correspondence corresponding to each destination address
  • the terminal selects one LCG ID from all LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address;
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the embodiment of the present disclosure divides the BSR into a short BSR and a long BSR, and the short BSR needs to report a BSR of the LCG ID; the long BSR needs to report the BSR of all the LCG IDs.
  • the terminal can select which BSR to use for reporting.
  • the network side device can notify the terminal of which BSR to use for reporting.
  • the terminal may set the first indication information in the sidelink BSR MAC CE, where the first indication information is used to notify the network side device of the sidelink BSR MAC CE.
  • the medium is the LCG ID corresponding to the destination address or the buffer status information of all the LCG IDs corresponding to the destination address.
  • the BSR reporting type corresponding to the destination address is indicated by 1 bit (0 can be set to short BSR, 1 is long BSR), and the first indication information can be placed in the BSR MAC CE of the sidelink BSR MAC CE (MAC Control Element, Media Access Control Control Unit) Front or other location.
  • the BSR MAC CE MAC Control Element, Media Access Control Control Unit
  • the first indication information may be notified to the network side device by using other messages.
  • the embodiment of the present disclosure is applicable as long as the first indication information can be notified to the network side device.
  • the sidelink BSR MAC CE in the embodiment of the disclosure may also omit the LCG ID information for reporting the destination address of the long BSR.
  • Solution 2 The terminal determines a third correspondence corresponding to each destination address
  • the terminal selects, from all LCG IDs corresponding to the destination address, an LCG ID that the data needs to be sent;
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the embodiment of the present disclosure reports only the buffer state information information of the LCG ID that the data needs to be sent for each destination address.
  • the second indication information corresponding to each destination address is placed in the sidelink BSR MAC CE, where the second indication information corresponding to the destination address is used to notify the network side device of the sidelink BSR MAC CE.
  • the number of LCG IDs corresponding to the destination address is used to notify the network side device of the sidelink BSR MAC CE.
  • the Nbit indicates the number of LCG IDs of the corresponding destination address.
  • the length of the NG depends on the maximum number of LCG IDs. For example, if the number of LCG IDs of destination address A is 7, the length of N is 3, that is, 111 can be used as the destination address.
  • the second indication information of A), and the second indication information may be placed at the forefront or other location of the BSR MAC CE of the sidelink BSR MAC CE.
  • the second indication information may be notified to the network side device by using other messages.
  • the embodiment of the present disclosure is applicable as long as the second indication information can be notified to the network side device.
  • the network side device when the network side device allocates resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE, the network side device may Sidelink BSR MAC CE for each destination address
  • the PPP corresponding to the LCG ID determines the allocation order, and allocates resources for each destination address of the terminal according to the buffer status information corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE.
  • the two LCG IDs of the destination address A, the LCG ID1 and the LCG ID2 can be determined according to the first correspondence, and the LCG ID1 priority is greater than the LCG ID2 priority. Allocate resources for LCG ID2.
  • LCG IDs of destination address A in the sidelink BSR MAC CE there are two LCG IDs of destination address A in the sidelink BSR MAC CE, LCG ID1 and LCG ID2; two LCG IDs of destination address B, LCG ID3 and LCG ID4.
  • the priority order is LCG ID1, LCG ID3, LCG ID4, and LCG ID2, and resources may be allocated in the order of LCG ID1, LCG ID3, LCG ID4, and LCG ID2.
  • the network side device in the embodiment of the present disclosure may be a base station (such as a macro base station, a home base station, and the like), or an RN (relay) device, or other network side devices.
  • a base station such as a macro base station, a home base station, and the like
  • RN relay
  • Embodiment 1 Configuring a first correspondence between PPP and LCG ID by broadcast.
  • Step 1 The base station configures a first correspondence between the PPP and the LCG ID by broadcasting.
  • the base station can use the 1:1 mapping mode when configuring the mapping between the PPP and the LCG ID.
  • a mapping of m:1 (m ⁇ 1) needs to be considered. For example, if the PPP level is 8 and the number of LCG IDs is 4, then the mapping can be performed according to 2:1, as shown in Table 1:
  • the base station of the embodiment of the present disclosure places the first correspondence in the SIB and transmits it by broadcast.
  • a new IE or a new SIB may be added to the SIB of the 3GPP TS 36.331.
  • Step 2 The terminal determines a third correspondence between the logical channel and the LCG ID according to the received first correspondence between the PPP and the LCG ID of the network side device and the second correspondence between the PPP and the logical channel.
  • the PPP and the logical channel have a binding relationship. After receiving the first correspondence between the PPP and the LCG ID broadcast by the base station, the terminal can determine the third correspondence between each logical channel and the LCG ID corresponding to each target address.
  • Step 3 The terminal performs a sidelink BSR MAC CE report.
  • the sidelink BSR MAC CE is organized.
  • R13 introduces PPP
  • multiple logical channels corresponding to one destination address may belong to different LCG IDs. Therefore, the R13sidelink BSR MAC CE and R12sidelink BSR MAC CE formats are different and need to be extended, and a new LCID needs to be introduced to identify the extension. Sidelink BSR MAC CE.
  • the number of LCG IDs corresponding to each destination address is four, and once the BSR report is required, the four LCG IDs must be reported as an example.
  • the number of destination addresses N is even.
  • the R13sidelink BSR MAC CE format can be seen in Figure 3.
  • the number of destination addresses N is a count, and the R13sidelink BSR MAC CE format can be seen in Figure 4.
  • any of the following two optimizations may be adopted:
  • each destination address is only reported as short (that is, a BSR that reports only one LCG ID) or a long BSR (that is, a BSR that reports all LCG IDs).
  • the BSR reporting type corresponding to the destination address may be indicated by using 1 bit for each destination address in the front or other location of the BSR MAC CE.
  • the LCG ID information may also be omitted in the sidelink BSR MAC CE.
  • pass Nbit to each destination address at the front or other location of the BSR MAC CE Indicates the number of LCG IDs corresponding to the destination address (the length of N depends on the maximum number of LCG IDs).
  • Step 4 The base station performs scheduling based on D2D communication service priority.
  • the base station schedules the terminal according to the received R13sidelink BSR MAC CE reported by the terminal.
  • the base station preferentially allocates resources for the LCG with a high PPP.
  • Step 5 The terminal performs D2D transmission based on the scheduling information indicated by the base station.
  • the terminal After receiving the scheduling signaling of the base station, the terminal organizes and sends the MAC PDU according to the resource allocated by the base station according to the scheduling signaling indication.
  • Embodiment 2 Configure a correspondence between PPP and LCG ID by using dedicated signaling.
  • Step 1 The base station configures the correspondence between PPP and LCG ID through dedicated signaling.
  • the first correspondence may be the same or different for different terminals.
  • the first correspondences corresponding to different destination addresses of the same terminal may be the same or different.
  • the base station can directly determine the first correspondence between the PPP and the LCG ID. For example, if the number of the LCG IDs and the number of the PPP levels are the same, the base station can use the 1:1 mapping mode when configuring the first correspondence between the PPP and the LCG ID.
  • mapping needs to be considered. For example, if the PPP level is 8 and the number of LCG IDs is 4, then the mapping can be performed according to 2:1, as shown in Table 2:
  • the terminal If the base station configures the PPP and the LCG ID for the terminal, the terminal also needs to report the number of PPPs corresponding to all logical channels of each destination address through dedicated signaling (for example, carrying the number of PPPs corresponding to each destination address in Sidelink UEInformation) Then, the base station determines the first correspondence between the PPP and the LCG ID for the destination address of the terminal. Examples are as follows:
  • the destination address a corresponds to two logical channels (logical channel a1 and logical channel a2), and the two logical channels correspond to PPP levels of 1 and 3, respectively; and its destination address b corresponds to 4 logical channels (logical channels) B1, logical channel b2, logical channel b3, logical channel b4), the PPP levels corresponding to the four logical channels are 1, 2, 3, and 4.
  • the destination address c corresponds to three logical channels (logical channel c1, logical channel c2, logical channel c3), and the PPP levels corresponding to the three logical channels are 1, 4, and 7.
  • Table 3 The correspondence between the PPP and the LCG ID configured by the base station for the terminal 1 and the terminal 2 can be as shown in Table 3:
  • terminal-specific signaling such as RRC reconfiguration signaling
  • Step 2 The terminal determines a third correspondence between the logical channel and the LCG ID according to the received first correspondence between the PPP and the LCG ID of the network side device and the second correspondence between the PPP and the logical channel.
  • the PPP and the logical channel have a binding relationship. After receiving the first correspondence between the PPP and the LCG ID broadcast by the base station, the terminal can determine the third correspondence between each logical channel and the LCG ID corresponding to each target address.
  • Step 3 The terminal performs a sidelink BSR MAC CE report.
  • the sidelink BSR MAC is organized. CE.
  • R13 introduces PPP
  • multiple logical channels corresponding to one destination address may belong to different LCG IDs. Therefore, the R13sidelink BSR MAC CE and R12sidelink BSR MAC CE formats are different and need to be extended, and a new LCID needs to be introduced to identify the extension. Sidelink BSR MAC CE.
  • the number of LCG IDs corresponding to each destination address is four, and once the BSR report is required, the four LCG IDs must be reported as an example.
  • the number of destination addresses N is even.
  • the R13sidelink BSR MAC CE format can be seen in Figure 3.
  • the number of destination addresses N is a count, and the R13sidelink BSR MAC CE format can be seen in Figure 4.
  • any of the following two optimizations may be adopted:
  • each destination address is only reported as short (that is, a BSR that reports only one LCG ID) or a long BSR (that is, a BSR that reports all LCG IDs).
  • the BSR reporting type corresponding to the destination address may be indicated by using 1 bit for each destination address in the front or other location of the BSR MAC CE.
  • the LCG ID information may also be omitted in the sidelink BSR MAC CE.
  • the number of LCG IDs corresponding to the destination address is indicated by Nbit for each destination address in the front or other location of the BSR MAC CE (the length of the N depends on the maximum number of LCG IDs).
  • Step 4 The base station performs scheduling based on D2D communication service priority.
  • the base station schedules the terminal according to the received R13sidelink BSR MAC CE reported by the terminal.
  • the base station preferentially allocates resources for the LCG with a high PPP.
  • Step 5 The terminal performs D2D transmission based on the scheduling information indicated by the base station.
  • the terminal After receiving the scheduling signaling of the base station, the terminal organizes and sends the MAC PDU according to the resource allocated by the base station according to the scheduling signaling indication.
  • the first network side device of the embodiment of the present disclosure includes:
  • the notification module 500 is configured to notify the terminal of the first correspondence between the PPP and the LCG ID of each destination address;
  • the determining module 501 is configured to: after receiving the sidelink BSR MAC CE reported by the terminal, the root Determining, according to the first correspondence, a PPP corresponding to an LCG ID of each destination address in the sidelink BSR MAC CE;
  • the allocating module 502 is configured to allocate resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE.
  • the notification module 500 is specifically configured to:
  • the first correspondence is placed in a new IE in the SIB of the 3GPP TS 36.331 or a new SIB different from the SIB of the 3GPP TS 36.331, and the first PPP and the LCG ID of each destination address are broadcasted by broadcasting.
  • the corresponding relationship informs the terminal.
  • the notification module 500 is specifically configured to:
  • the first correspondence between the PPP and the LCG ID of the same or different destination addresses of different terminals is the same or different
  • the first correspondence between the PPP and the LCG ID of different destination addresses of the same terminal is the same or different.
  • the notification module 500 is further configured to:
  • the first terminal of the embodiment of the present disclosure includes:
  • the receiving module 600 is configured to receive a first correspondence between a PPP and an LCG ID of each destination address from the network side device;
  • the processing module 601 is configured to determine, according to the first correspondence, and the second correspondence between the PPP and the logical channel, a third correspondence between the logical channel and the LCG ID of each target address;
  • the generating module 602 is configured to, according to the third correspondence, set the data of the part or all the logical channels corresponding to the LCG ID to the buffer status corresponding to the LCG ID in the sidelink BSR MAC CE for each destination address.
  • the reporting module 603 is configured to report the sidelink BSR MAC CE to the network side device, so that the network side device determines, according to the first correspondence, the sidelink BSR MAC CE.
  • the PPP corresponding to the LCG ID of each destination address, and allocating resources to the terminal according to the determined PPP.
  • the receiving module 600 is specifically configured to:
  • the first correspondence is received by broadcast or dedicated signaling.
  • the generating module 602 is specifically configured to:
  • Determining a third correspondence corresponding to each destination address selecting, for a destination address, one LCG ID from all LCG IDs corresponding to the destination address, or selecting all LCG IDs corresponding to the destination address; Corresponding relationship, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the generating module 602 is further configured to:
  • the first indication information is placed in the sidelink BSR MAC CE, where the first indication information is used to notify the network side device that the sidelink BSR MAC CE is an LCG ID corresponding to the destination address or the destination address. Buffer status information for all corresponding LCG IDs.
  • the generating module 602 is specifically configured to:
  • the data of the corresponding partial or all logical channels is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the generating module 602 is further configured to:
  • the second indication information corresponding to each destination address is placed in the sidelink BSR MAC CE, where the second indication information corresponding to the destination address is used to notify the network side device that the destination address in the sidelink BSR MAC CE corresponds to The number of LCG IDs.
  • the second network side device of the embodiment of the present disclosure includes:
  • the processor 701 is configured to read a program in the memory 704 and perform the following process:
  • the transceiver 702 is configured to receive and transmit data under the control of the processor 701.
  • the processor 701 is specifically configured to:
  • the processor 701 is specifically configured to:
  • the first correspondence between the PPP and the LCG ID of the same or different destination addresses of different terminals is the same or different
  • the first correspondence between the PPP and the LCG ID of different destination addresses of the same terminal is the same or different.
  • processor 701 is further configured to:
  • bus architecture (represented by bus 700), which may include any number of interconnected buses and bridges, will include one or more processors represented by processor 701 and memory represented by memory 704. The various circuits are linked together.
  • the bus 700 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art and, therefore, will not be further described herein.
  • Bus interface 703 provides an interface between bus 700 and transceiver 702.
  • Transceiver 702 can be an element or a plurality of elements, such as multiple receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • the data processed by the processor 701 is transmitted over the wireless medium via the antenna 705. Further, the antenna 705 also receives the data and transmits the data to the processor 701.
  • the processor 701 is responsible for managing the bus 700 and the usual processing, and can also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory 704 can be used to store data used by the processor 701 in performing operations.
  • the processor 701 may be a CPU (Central Embedded Device) or an ASIC (Application Specific) Integrated Circuit, ASIC (Field-Programmable Gate Array) or CPLD (Complex Programmable Logic Device).
  • CPU Central Embedded Device
  • ASIC Application Specific
  • Integrated Circuit ASIC (Field-Programmable Gate Array)
  • CPLD Complex Programmable Logic Device
  • the second terminal of the embodiment of the present disclosure includes:
  • the processor 801 is configured to read a program in the memory 804 and perform the following process:
  • the transceiver 802 Receiving, by the transceiver 802, a first correspondence between the PPP and the LCG ID of each destination address from the network side device; determining logic of each target address according to the first correspondence and the second correspondence between the PPP and the logical channel a third correspondence between the channel and the LCG ID; for each destination address, according to the third correspondence, the data of the part or all the logical channels corresponding to the LCG ID is placed in the LCG ID of the sidelink BSR MAC CE In the buffer status information, the sidelink BSR MAC CE is reported to the network side device by the transceiver 802, so that the network side device determines each destination address in the sidelink BSR MAC CE according to the first correspondence. The PPP corresponding to the LCG ID, and allocate resources for the terminal according to the determined PPP.
  • the transceiver 802 is configured to receive and transmit data under the control of the processor 801.
  • the processor 801 is specifically configured to:
  • the first correspondence is received by broadcast or dedicated signaling.
  • the processor 801 is specifically configured to:
  • Determining a third correspondence corresponding to each destination address selecting, for a destination address, one LCG ID from all LCG IDs corresponding to the destination address, or selecting all LCG IDs corresponding to the destination address; Corresponding relationship, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the processor 801 is further configured to:
  • the first indication information is placed in the sidelink BSR MAC CE, where the first indication information is used to notify the network side device that the sidelink BSR MAC CE is an LCG ID corresponding to the destination address or the destination address. Buffer status information for all corresponding LCG IDs.
  • the processor 801 is specifically configured to:
  • Determining a third correspondence corresponding to each destination address selecting, for a destination address, an LCG ID that is required to be sent from all LCG IDs corresponding to the destination address; Corresponding relationship, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the processor 801 is further configured to:
  • the second indication information corresponding to each destination address is placed in the sidelink BSR MAC CE, where the second indication information corresponding to the destination address is used to notify the network side device that the destination address in the sidelink BSR MAC CE corresponds to The number of LCG IDs.
  • bus 800 may include any number of interconnected buses and bridges, and bus 800 will include one or more processors and memory 804 represented by general purpose processor 801. The various circuits of the memory are linked together.
  • the bus 800 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 803 provides an interface between bus 800 and transceiver 802.
  • Transceiver 802 can be an element or a plurality of elements, such as multiple receivers and transmitters, providing means for communicating with various other devices on a transmission medium. For example, transceiver 802 receives external data from other devices. The transceiver 802 is configured to send the processed data of the processor 801 to other devices.
  • a user interface 805 can also be provided, such as a keypad, display, speaker, microphone, joystick.
  • the processor 801 is responsible for managing the bus 800 and the usual processing, running the general purpose operating system as described above.
  • the memory 804 can be used to store data used by the processor 801 when performing operations.
  • the processor 801 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • a method for allocating resources is also provided in the embodiment of the present disclosure.
  • the device corresponding to the method is a network side device in a system for allocating resources according to an embodiment of the present disclosure, and the method solves the problem and the method
  • the devices are similar, so the implementation of the method can be referred to the implementation of the device, and the details are not repeated here.
  • the first method for allocating resources in the embodiment of the present disclosure includes:
  • Step 900 The network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address.
  • Step 901 After receiving the sidelink BSR MAC CE reported by the terminal, the network side device determines, according to the first correspondence, each destination address in the sidelink BSR MAC CE. The corresponding PPG of the LCG ID;
  • Step 902 The network side device allocates resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE.
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, including:
  • the network side device places the first correspondence in a new IE in the SIB of the 3GPP TS 36.331 or a new SIB different from the SIB of the 3GPP TS 36.331, and broadcasts the PPP of each destination address by broadcasting.
  • the first correspondence of the LCG ID informs the terminal.
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, including:
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address by using dedicated signaling;
  • the first correspondence between the PPP and the LCG ID of the same or different destination addresses of different terminals is the same or different
  • the first correspondence between the PPP and the LCG ID of different destination addresses of the same terminal is the same or different.
  • the network side device before the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, the network side device further includes:
  • the network side device determines, according to the PPP number of the logical channel corresponding to each destination address of the terminal, the first correspondence between the PPP and the LCG ID of each destination address of the terminal.
  • a method for allocating resources is also provided in the embodiment of the present disclosure.
  • the device corresponding to the method is a terminal in a system for allocating resources according to an embodiment of the present disclosure, and the principle of the method for solving the problem is similar to the device. Therefore, the implementation of the method can be referred to the implementation of the device, and the details are not repeated here.
  • the second method for allocating resources in the embodiment of the present disclosure includes:
  • Step 1000 The terminal receives a first correspondence between a PPP and an LCG ID of each destination address from the network side device.
  • Step 1001 The terminal according to the first correspondence relationship and a second of a PPP and a logical channel Corresponding relationship, determining a third correspondence between a logical channel and an LCG ID of each target address;
  • Step 1002 For each destination address, the terminal, according to the third correspondence, puts data of part or all logical channels corresponding to the LCG ID into a buffer state corresponding to the LCG ID in the sidelink BSR MAC CE.
  • Step 1003 The terminal reports the sidelink BSR MAC CE to the network side device, so that the network side device determines, according to the first correspondence, the LCG ID corresponding to each destination address in the sidelink BSR MAC CE. PPP, and allocate resources for the terminal according to the determined PPP.
  • the terminal receives the first correspondence between the PPP and the LCG ID of each destination address of the network side device, including:
  • the terminal receives the first correspondence by using broadcast or dedicated signaling.
  • the terminal puts data of part or all logical channels corresponding to the LCG ID of each destination address into the destination in the sidelink BSR MAC CE.
  • the buffer status information corresponding to the LCG ID of the address includes:
  • the terminal selects one LCG ID from all LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address;
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the terminal selects one LCG ID from all the LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address, and reports the information to the network side device.
  • the sidelink BSR MAC CE it also includes:
  • the terminal is configured to place the first indication information in the sidelink BSR MAC CE, where the first indication information is used to notify the network side device that the LCDC ID corresponding to the destination address in the sidelink BSR MAC CE is The buffer status information of all LCG IDs corresponding to the destination address.
  • the terminal puts data of part or all logical channels corresponding to the LCG ID of each destination address in the destination in the sidelink BSR MAC CE.
  • the buffer status information corresponding to the LCG ID of the address includes:
  • the terminal selects, from all LCG IDs corresponding to the destination address, an LCG ID that the data needs to be sent;
  • the terminal according to the third correspondence, the data of the part or all the logical channels corresponding to the selected LCG ID is placed in the buffer status information corresponding to the LCG ID in the sidelink BSR MAC CE.
  • the terminal selects one LCG ID from all the LCG IDs corresponding to the destination address, or selects all LCG IDs corresponding to the destination address, and reports the information to the network side device.
  • the sidelink BSR MAC CE it also includes:
  • the second indication information corresponding to each destination address is placed in the sidelink BSR MAC CE, where the second indication information corresponding to the destination address is used to notify the network side device of the sidelink BSR MAC CE.
  • the number of LCG IDs corresponding to the destination address is used to notify the network side device of the sidelink BSR MAC CE.
  • the network side device notifies the terminal of the first correspondence between the PPP and the LCG ID of each destination address, after receiving the sidelink BSR MAC CE reported by the terminal, according to the foregoing a corresponding relationship, the PPP corresponding to the LCG ID of each destination address in the sidelink BSR MAC CE is determined; according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE, A resource is allocated for each destination address of the terminal.
  • the network side device is capable of allocating resources for each destination address of the terminal according to the buffer state information corresponding to the LCG ID of each destination address in the determined PPP and the sidelink BSR MAC CE, thereby implementing the PPP according to the PPP. Allocating resources for each destination address of the terminal improves system performance.

Abstract

本公开实施例涉及无线通信技术领域，特别涉及一种资源分配的方法和设备。本公开实施例中网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，根据第一对应关系确定sidelink BSR MAC CE中每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为终端的每个目的地址分配资源。

Description

一种资源分配的方法和设备
相关申请的交叉引用
本申请主张在2015年7月21日在中国提交的中国专利申请号No.201510432509.8的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信技术领域，特别涉及一种资源分配的方法和设备。
背景技术
在3GPP(3rd Generation Partnership Project，第三代移动通信标准化组织)LTE(Long Term Evolution，长期演进)系统中，采取的是网络集中控制的方式，即UE(用户设备)的上下行数据都在网络的控制下进行发送和接收。UE和UE之间的通信，是由网络进行转发和控制的。UE与UE之间不存在直接的通信链路，UE也不允许自行发送上行数据，参见图1A。
D2D(Device-to-Device，设备到设备)技术，即用户设备直通技术，是指邻近的用户设备可以在近距离范围内通过直连链路进行数据传输的方式，不需要通过中心节点(例如基站)进行转发，如图1B所示。
D2D通信的设备可以均是在网的，或者均是脱网的，还可以是部分设备在网，部分设备脱网。所谓在网即参与D2D通信的设备位于3GPP D2D载波覆盖范围内，所谓脱网即参与D2D通信的设备不在3GPP D2D载波覆盖范围内。
典型的D2D通信场景包括如下三种：
D2D终端之间一对一通信；
一个设备一次可以给一个通信群组里的所有设备发送相同数据(组通信)；
一个设备一次可以给所有附近的设备发送相同数据(广播通信)；
其中，D2D终端之间一对一通信主要针对社交应用，组/广播通信主要用于消防、救援和反恐等公共安全应用。
D2D通信支持两种D2D发送资源分配方式：
一、网络调度的资源分配方式(Mode1)：即由网络根据终端上报的D2D BSR(Buffer Status Report，缓冲区上报)为终端分配资源的方式。
二、终端自主选择资源的资源分配方式(Mode2)：即终端自行从预配置或者网络广播的发送资源中选择一个资源进行D2D发送。
传统的LTE系统，在承载建立时网络会针对每个承载配置QoS(Quality of Service，业务质量)参数，该参数对基站是可知的。因此基站可以进行基于QoS的调度。但是对于D2D系统，数据包对应的PPP(Priority Per Packet，每个包的优先级)参数是D2D通信发送终端自己生成的，对于基站是未知的。对于D2D通信基站调度的资源分配方式(Mode1)，如果网络只知道终端上报的直接通信链路(sidelink，例如D2D链路)BSR信息，而无法获知BSR和PPP的对应关系，那么将无法实现基于D2D通信数据包优先级的调度。
综上所述，目前D2D通信基站调度的资源分配方式，无法实现基于D2D通信数据包优先级的调度。
发明内容
本公开提供一种资源分配的方法和设备，用以解决现有技术中存在的D2D通信基站调度的资源分配方式，无法实现基于D2D通信数据包优先级的调度的问题。
本公开实施例提供了一种资源分配的方法，该方法包括：
网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
所述网络侧设备在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；
所述网络侧设备根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
可选的，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，包括：
所述网络侧设备将所述第一对应关系置于3GPP TS 36.331的SIB中新增的IE或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
可选的，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应 关系通知终端，包括：
所述网络侧设备通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
可选的，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，还包括：
所述网络侧设备根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
本公开实施例还提供了另一种资源分配的方法，该方法包括：
终端接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；
所述终端根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；
针对每个目的地址，所述终端根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；
所述终端向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
可选的，所述终端接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系，包括：
所述终端通过广播或专用信令接收所述第一对应关系。
可选的，针对每个目的地址，所述终端根据所述第三对应关系，将每个目的地址的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述目的地址的LCG ID对应的缓冲区状态信息中，包括：
所述终端确定每个目的地址对应的第三对应关系；
针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；
所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID之后，向所述网络侧设备上报所述sidelink BSR MAC CE之前，还包括：
所述终端将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
可选的，所述终端根据所述第三对应关系，将每个目的地址的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述目的地址的LCG ID对应的缓冲区状态信息中，包括：
所述终端确定每个目的地址对应的第三对应关系；
针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；
所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID之后，向所述网络侧设备上报所述sidelink BSR MAC CE之前，还包括：
所述终端将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
本公开实施例还提供了一种资源分配的网络侧设备，该网络侧设备包括：
通知模块，用于将每个目的地址的PPP和LCG ID的第一对应关系通知 终端；
确定模块，用于在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；
分配模块，用于根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
可选的，所述通知模块具体用于：
将所述第一对应关系置于3GPP TS 36.331的SIB中新增的IE或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
可选的，所述通知模块具体用于：
通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
可选的，所述通知模块还用于：
将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
本公开实施例还提供了一种资源分配的终端，该终端包括：
接收模块，用于接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；
处理模块，用于根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；
生成模块，用于针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；
上报模块，用于向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
可选的，所述接收模块具体用于：
通过广播或专用信令接收所述第一对应关系。
可选的，所述生成模块具体用于：
确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，所述生成模块还用于：
将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
可选的，所述生成模块具体用于：
确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，所述生成模块还用于：
将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
本公开实施例还提供了一种资源分配的网络侧设备，包括：存储器；收发机，用于接收和发送数据；以及处理器，用于读取存储器中的程序，执行下列过程：将每个目的地址的PPP和LCG ID的第一对应关系通知终端；在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定 的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，通过收发机为所述终端的每个目的地址分配资源。
本公开实施例还提供了一种资源分配的终端，包括：存储器；收发机，用于接收和发送数据；以及处理器，用于读取存储器中的程序，执行下列过程：通过收发机接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；通过收发机向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
本公开实施例网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。由于本公开实施例网络侧设备能够根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源，从而实现根据PPP为所述终端的每个目的地址分配资源，提高了系统性能。
附图说明
图1A为背景技术蜂窝网络中终端通信的数据示意图；
图1B为背景技术终端直连通信的数据示意图；
图2为本公开实施例分配资源的系统结构示意图；
图3为本公开实施例第一种MAC CE格式示意图；
图4为本公开实施例第二种MAC CE格式示意图；
图5为本公开实施例第一种网络侧设备的结构示意图；
图6为本公开实施例第一种终端的结构示意图；
图7为本公开实施例第二种网络侧设备的结构示意图；
图8为本公开实施例第二种终端的结构示意图；
图9为本公开实施例第一种分配资源的方法流程示意图；
图10为本公开实施例第二种分配资源的方法流程示意图。
具体实施方式
本公开实施例网络侧设备将每个目的地址的PPP和LCG(Logical Channel Group，逻辑通道组)ID(标识)的第一对应关系通知终端，在收到所述终端上报的sidelink BSR MAC CE(MAC Control Element，媒体接入控制控制单元)后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。由于本公开实施例网络侧设备能够根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源，从而实现根据PPP为所述终端的每个目的地址分配资源，提高了系统性能。
下面结合说明书附图对本公开实施例作进一步详细描述。
如图2所述，本公开实施例分配资源的系统包括：
网络侧设备10，用于将每个目的地址的PPP和LCG ID的第一对应关系通知终端；在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源；
终端20，用于根据收到的来自网络侧设备的PPP和LCG ID的第一对应关系，以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；向所述网络侧设备上报所述sidelink BSR MAC CE。
本公开实施例每个目的地址的PPP和LCG ID的第一对应关系相同或不 同。网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
可选的，网络侧设备在通知终端时，可以通过广播或专用信令通知。
具体的，如果网络侧设备通过广播通知，则网络侧设备可以将所述第一对应关系置于3GPP TS 36.331的SIB(System Information Block，系统信息块)中新增的IE(信息单元Information Element)或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
相应的，终端通过广播接收所述第一对应关系。
如果网络侧设备通过专用信令通知，则专用信令可以是能够发送给终端的信令，比如RRC(Radio Resource Control，无线资源控制)信令、MAC(Medium Access Control，媒体接入控制)信令等。
可选的，如果网络侧设备通过专用信令通知，则不同终端的同一目的地址对应的PPP和LCG ID的第一对应关系可以全部相同或全不相同或部分相同；
不同终端的不同目的地址对应的PPP和LCG ID的第一对应关系可以全部相同或全不相同或部分相同；
同一终端不同目的地址的PPP和LCG ID的第一对应关系可以全部相同或全不相同或部分相同。
可选的，本公开实施例为了支持网络侧设备为不同终端或同一个终端不同的目的地址配置第一对应关系，所述终端上报的所述终端的至少一个目的地址对应的逻辑信道的PPP个数；
相应的，网络侧设备根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
比如如果LCG ID个数和PPP等级的个数一致，则基站配置PPP和LCG ID的第一对应关系时可以使用1∶1映射的方式。但是如果PPP等级的个数大于LCG ID个数，需要m：1(m≥1)映射。
对应终端，由于终端预先知道PPP和逻辑信道的第二对应关系，所以终端在收到每个目的地址的PPP和LCG ID的第一对应关系后，根据每个目的 地址的第一对应关系和第二对应关系，就可以确定每个目标地址的逻辑信道和LCG ID的第三对应关系。
在确定每个目标地址的第三对应关系后，就可以确定每个目标地址对应的sidelink BSR MAC CE。
具体的，针对一个目的地址，终端根据所述第三对应关系，确定LCG ID对应的部分或所有的逻辑信道的数据，并将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
在实施中，终端进行sidelink BSR MAC CE上报时需要针对每一个目的地址分别按照LCG ID进行BSR上报。BSR中不需要携带PPP信息。
可选的，为了进一步节省BSR上报信令开销，本公开实施例提供了两种方案：
方案一、所述终端确定每个目的地址对应的第三对应关系；
针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；
所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
也就是说，本公开实施例将BSR分成short BSR和long BSR，short BSR需要上报一个LCG ID的BSR；long BSR需要上报所有LCG ID的BSR。
所述终端可以选择采用哪种BSR进行上报。
可选的，网络侧设备可以通知终端采用哪种BSR进行上报。
如果网络侧设备不通知终端采用哪种BSR进行上报，终端可以将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
比如通过1bit指示目的地址对应的BSR上报类型(可以设定0为short BSR，1为long BSR)，并且可以将第一指示信息置于所述sidelink BSR MAC CE的BSR MAC CE(MAC Control Element，媒体接入控制控制单元)的最 前面或其他位置。
需要说明的是，除了上述将第一指示信息置于所述sidelink BSR MAC CE的方式，也可以通过其他消息将第一指示信息通知网络侧设备。只要能够将第一指示信息通知网络侧设备的方式都适用本公开实施例。
可选的，针对方案一，本公开实施例的sidelink BSR MAC CE中对于上报long BSR的目的地址还可以省略LCG ID信息。
方案二、所述终端确定每个目的地址对应的第三对应关系；
针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；
所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
也就是说，本公开实施例针对每个目的地址只上报有数据需要发送的LCG ID的缓冲区状态信息信息。
由于网络侧不知道哪个每个目的地址上报的LCG ID的数量，所以可选的一种方式是：
所述终端将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
比如，通过Nbit指示对应的目的地址的LCG ID个数(N长度取决于LCG ID最大个数，比如目的地址A的LCG ID个数为7，则N长度为3，即111就可以作为目的地址A的第二指示信息)，并且可以将第二指示信息置于所述sidelink BSR MAC CE的BSR MAC CE的最前面或其他位置。
需要说明的是，除了上述将第二指示信息置于所述sidelink BSR MAC CE的方式，也可以通过其他消息将第二指示信息通知网络侧设备。只要能够将第二指示信息通知网络侧设备的方式都适用本公开实施例。
可选的，网络侧设备根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源时，网络侧设备可以根据sidelink BSR MAC CE中的每个目的地址的 LCG ID对应的PPP，确定分配顺序，并根据sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
比如sidelink BSR MAC CE中有目的地址A的两个LCG ID，LCG ID1和LCG ID2，根据第一对应关系，可以确定LCG ID1优先级大于LCG ID2优先级，则可以先为LCG ID1分配资源，再为LCG ID2分配资源。
还比如sidelink BSR MAC CE中有目的地址A的两个LCG ID，LCG ID1和LCG ID2；目的地址B的两个LCG ID，LCG ID3和LCG ID4。根据第一对应关系，可以确定优先级顺序为LCG ID1、LCG ID3、LCG ID4和LCG ID2，则可以按照LCG ID1、LCG ID3、LCG ID4和LCG ID2的顺序分配资源。
如果一个目的地址A下的多个LCG ID或者不同的目的地址下的多个LCG ID中出现多个LCG ID的优先级相同，则随机确定优先级相同的LCG ID的分配顺序。
其中，本公开实施例的网络侧设备可以是基站(比如宏基站、家庭基站等)，也可以是RN(中继)设备，还可以是其它网络侧设备。
下面以两个实施例对本公开的方案进行详细说明。
实施例一、通过广播配置PPP和LCG ID第一对应关系。
步骤1：基站通过广播配置PPP和LCG ID的第一对应关系。
如果LCG ID个数和PPP等级的个数一致，则基站配置PPP和LCG ID对应关系时可以使用1∶1映射的方式。
如果LCG ID个数小于PPP等级的个数，则需要考虑m：1(m≥1)的映射。举例说明如下：如果PPP等级为8个，LCG ID个数为4个，那么可以按照2∶1进行映射，如表1所示：
PPP等级 LCG ID
1/2 00
3/4 01
5/6 10
7/8 11
表1
本公开实施例的基站将第一对应关系置于SIB中通过广播发送。
为了支持基站广播PPP和LCG ID的第一对应关系，可以在3GPP TS36.331的SIB中增加新的IE或者设计新SIB。
步骤2：终端根据收到的来自网络侧设备的PPP和LCG ID的第一对应关系，以及PPP和逻辑信道的第二对应关系，确定逻辑信道和LCG ID的第三对应关系。
由于PPP和逻辑信道具有绑定关系，因此终端接收到基站广播的PPP和LCG ID的第一对应关系后，就可以确定各个目标地址对应的各个逻辑信道和LCG ID的第三对应关系。
步骤3：终端进行sidelink BSR MAC CE上报。
当终端的D2D链路满足BSR上报触发条件后，组织sidelink BSR MAC CE。
由于R13引入了PPP，因此一个目的地址对应的多个逻辑信道可能会归属不同LCG ID，因此R13sidelink BSR MAC CE和R12sidelink BSR MAC CE格式不同，需要进行扩展，并且需要引入新的LCID标识该扩展的sidelink BSR MAC CE。
以每个目的地址对应的LCG ID个数为4个且一旦需要进行BSR上报，4个LCG ID都必须同时上报为例，目标地址数量N为偶数，则R13sidelink BSR MAC CE格式可以参见图3；目标地址数量N为计数，则R13sidelink BSR MAC CE格式可以参见图4。
可选的，为了进一步节省sidelink BSR MAC CE的开销，可以采用如下两种优化中任何一种：
一、约定每个目的地址只上报short(即只上报一个LCG ID的BSR)或者long BSR(即上报所有的LCG ID的BSR)。
可选的，可以在BSR MAC CE的最前面或其他位置对每个目的地址通过1bit指示该目的地址对应的BSR上报类型。
可选的，该sidelink BSR MAC CE中还可以省略LCG ID信息。
二、约定每个目的地址只上报有数据需要发送的LCG ID的BSR。
可选的，在BSR MAC CE最前面或其他位置对每个目的地址通过Nbit 指示该目的地址对应的LCG ID个数(N长度取决于LCG ID最大个数)。
步骤4：基站进行基于D2D通信业务优先级的调度.
基站根据接收到的终端上报的R13sidelink BSR MAC CE，对终端进行调度。可选的，基站优先为PPP高的LCG分配资源。
步骤5：终端基于基站指示的调度信息进行D2D发送。
终端接收到基站的调度信令后，根据调度信令指示，按照基站分配的资源组织MAC PDU并发送。
实施例二、通过专用信令配置PPP和LCG ID对应关系。
步骤1：基站通过专用信令配置PPP和LCG ID的对应关系
基站通过专用信令配置PPP和LCG ID的第一对应关系时，该第一对应关系对于不同的终端可以相同，也可以不同。同一个终端不同目的地址对应的第一对应关系可以相同，也可以不同。
如果相同，那么基站可以直接确定PPP和LCG ID的第一对应关系。比如如果LCG ID个数和PPP等级的个数一致，则基站配置PPP和LCG ID的第一对应关系时可以使用1∶1映射的方式。
但是如果PPP等级的个数大于LCG ID个数，需要考虑m：1(m≥1)映射。举例说明如下：如果PPP等级为8个，LCG ID个数为4个，那么可以按照2∶1进行映射，如表2所示：
PPP等级 LCG ID
1/2 00
3/4 01
5/6 10
7/8 11
表2
如果不同，那么在基站为终端配置PPP和LCG ID之前，终端还需要通过专用信令上报各个目的地址的所有逻辑信道对应的PPP个数(例如在SidelinkUEInformation中携带每个目的地址对应的PPP个数)；然后，由基站决定针对该终端的目的地址的PPP和LCG ID第一对应关系。举例如下：
对于终端1，其目的地址a对应2个逻辑信道(逻辑信道a1和逻辑信道a2)，这两个逻辑信道对应的PPP等级分别为1和3；其目的地址b对应4个逻辑信道(逻辑信道b1、逻辑信道b2、逻辑信道b3、逻辑信道b4)，这四个逻辑信道对应的PPP等级为1、2、3、4。对于终端2，其目的地址c对应3个逻辑信道(逻辑信道c1、逻辑信道c2、逻辑信道c3)，这三个逻辑信道对应的PPP等级为1、4、7。基站针对终端1和终端2配置的PPP和LCG ID对应关系可以如表3所示：
Figure PCTCN2016088640-appb-000001
表3
基站配置PPP和LCG ID第一对应关系时可以使用终端专用信令，比如RRC重配信令。
步骤2：终端根据收到的来自网络侧设备的PPP和LCG ID的第一对应关系，以及PPP和逻辑信道的第二对应关系，确定逻辑信道和LCG ID的第三对应关系。
由于PPP和逻辑信道具有绑定关系，因此终端接收到基站广播的PPP和LCG ID的第一对应关系后，就可以确定各个目标地址对应的各个逻辑信道和LCG ID的第三对应关系。
步骤3：终端进行sidelink BSR MAC CE上报。
当终端的D2D链路满足BSR上报触发条件后，组织sidelink BSR MAC  CE。
由于R13引入了PPP，因此一个目的地址对应的多个逻辑信道可能会归属不同LCG ID，因此R13sidelink BSR MAC CE和R12sidelink BSR MAC CE格式不同，需要进行扩展，并且需要引入新的LCID标识该扩展的sidelink BSR MAC CE。
以每个目的地址对应的LCG ID个数为4个且一旦需要进行BSR上报，4个LCG ID都必须同时上报为例，目标地址数量N为偶数，则R13sidelink BSR MAC CE格式可以参见图3；目标地址数量N为计数，则R13sidelink BSR MAC CE格式可以参见图4。
可选的，为了进一步节省sidelink BSR MAC CE的开销，可以采用如下两种优化中任何一种：
一、约定每个目的地址只上报short(即只上报一个LCG ID的BSR)或者long BSR(即上报所有的LCG ID的BSR)。
可选的，可以在BSR MAC CE的最前面或其他位置对每个目的地址通过1bit指示该目的地址对应的BSR上报类型。
可选的，该sidelink BSR MAC CE中还可以省略LCG ID信息。
二、约定每个目的地址只上报有数据需要发送的LCG ID的BSR。
可选的，在BSR MAC CE的最前面或其他位置对每个目的地址通过Nbit指示该目的地址对应的LCG ID个数(N长度取决于LCG ID最大个数)。
步骤4：基站进行基于D2D通信业务优先级的调度。
基站根据接收到的终端上报的R13sidelink BSR MAC CE，对终端进行调度。可选的，基站优先为PPP高的LCG分配资源。
步骤5：终端基于基站指示的调度信息进行D2D发送。
终端接收到基站的调度信令后，根据调度信令指示，按照基站分配的资源组织MAC PDU并发送。
如图5所示，本公开实施例的第一种网络侧设备包括：
通知模块500，用于将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
确定模块501，用于在收到所述终端上报的sidelink BSR MAC CE后，根 据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；
分配模块502，用于根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
可选的，所述通知模块500具体用于：
将所述第一对应关系置于3GPP TS 36.331的SIB中新增的IE或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
可选的，所述通知模块500具体用于：
通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
可选的，所述通知模块500还用于：
将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
如图6所示，本公开实施例的第一种终端包括：
接收模块600，用于接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；
处理模块601，用于根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；
生成模块602，用于针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；
上报模块603，用于向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的 每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
可选的，所述接收模块600具体用于：
通过广播或专用信令接收所述第一对应关系。
可选的，所述生成模块602具体用于：
确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，所述生成模块602还用于：
将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
可选的，所述生成模块602具体用于：
确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，所述生成模块602还用于：
将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
如图7所示，本公开实施例的第二种网络侧设备包括：
处理器701，用于读取存储器704中的程序，执行下列过程：
将每个目的地址的PPP和LCG ID的第一对应关系通知终端；在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息， 通过收发机702为所述终端的每个目的地址分配资源。
收发机702，用于在处理器701的控制下接收和发送数据。
可选的，所述处理器701具体用于：
将所述第一对应关系置于3GPP TS 37.331的SIB中新增的IE或新增的与3GPP TS 37.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
可选的，所述处理器701具体用于：
通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
可选的，所述处理器701还用于：
将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
在图7中，总线架构(用总线700来代表)，总线700可以包括任意数量的互联的总线和桥，总线700将包括由处理器701代表的一个或多个处理器和存储器704代表的存储器的各种电路链接在一起。总线700还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口703在总线700和收发机702之间提供接口。收发机702可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器701处理的数据通过天线705在无线介质上进行传输，进一步，天线705还接收数据并将数据传送给处理器701。
处理器701负责管理总线700和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器704可以被用于存储处理器701在执行操作时所使用的数据。
可选的，处理器701可以是CPU(中央处埋器)、ASIC(Application Specific  Integrated Circuit，专用集成电路)、FPGA(Field-Programmable Gate Array，现场可编程门阵列)或CPLD(Complex Programmable Logic Device，复杂可编程逻辑器件)。
如图8所示，本公开实施例的第二种终端包括：
处理器801，用于读取存储器804中的程序，执行下列过程：
通过收发机802接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；通过收发机802向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
收发机802，用于在处理器801的控制下接收和发送数据。
可选的，所述处理器801具体用于：
通过广播或专用信令接收所述第一对应关系。
可选的，所述处理器801具体用于：
确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，所述处理器801还用于：
将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
可选的，所述处理器801具体用于：
确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；根据所述第三 对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，所述处理器801还用于：
将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
在图8中，总线架构(用总线800来代表)，总线800可以包括任意数量的互联的总线和桥，总线800将包括由通用处理器801代表的一个或多个处理器和存储器804代表的存储器的各种电路链接在一起。总线800还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口803在总线800和收发机802之间提供接口。收发机802可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。例如：收发机802从其他设备接收外部数据。收发机802用于将处理器801处理后的数据发送给其他设备。取决于计算系统的性质，还可以提供用户接口805，例如小键盘、显示器、扬声器、麦克风、操纵杆。
处理器801负责管理总线800和通常的处理，如前述所述运行通用操作系统。而存储器804可以被用于存储处理器801在执行操作时所使用的数据。
可选的，处理器801可以是CPU、ASIC、FPGA或CPLD。
基于同一发明构思，本公开实施例中还提供了一种分配资源的方法，由于该方法对应的设备是本公开实施例分配资源的系统中的网络侧设备，并且该方法解决问题的原理与该设备相似，因此该方法的实施可以参见设备的实施，重复之处不再赘述。
如图9所示，本公开实施例第一种分配资源的方法包括：
步骤900、网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
步骤901、所述网络侧设备在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址 的LCG ID对应的PPP；
步骤902、所述网络侧设备根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
可选的，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，包括：
所述网络侧设备将所述第一对应关系置于3GPP TS 36.331的SIB中新增的IE或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
可选的，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，包括：
所述网络侧设备通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
可选的，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，还包括：
所述网络侧设备根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
基于同一发明构思，本公开实施例中还提供了一种分配资源的方法，由于该方法对应的设备是本公开实施例分配资源的系统中的终端，并且该方法解决问题的原理与该设备相似，因此该方法的实施可以参见设备的实施，重复之处不再赘述。
如图10所示，本公开实施例第二种分配资源的方法包括：
步骤1000、终端接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；
步骤1001、所述终端根据所述第一对应关系以及PPP和逻辑信道的第二 对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；
步骤1002、针对每个目的地址，所述终端根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；
步骤1003、所述终端向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
可选的，所述终端接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系，包括：
所述终端通过广播或专用信令接收所述第一对应关系。
可选的，针对每个目的地址，所述终端根据所述第三对应关系，将每个目的地址的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述目的地址的LCG ID对应的缓冲区状态信息中，包括：
所述终端确定每个目的地址对应的第三对应关系；
针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；
所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID之后，向所述网络侧设备上报所述sidelink BSR MAC CE之前，还包括：
所述终端将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
可选的，所述终端根据所述第三对应关系，将每个目的地址的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述目 的地址的LCG ID对应的缓冲区状态信息中，包括：
所述终端确定每个目的地址对应的第三对应关系；
针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；
所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
可选的，针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID之后，向所述网络侧设备上报所述sidelink BSR MAC CE之前，还包括：
所述终端将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
从上述内容可以看出：本公开实施例网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。由于本公开实施例网络侧设备能够根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源，从而实现根据PPP为所述终端的每个目的地址分配资源，提高了系统性能。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (22)

  1. 一种资源分配的方法，包括：
    网络侧设备将每个目的地址的每个包的优先级PPP和逻辑信道组标识LCG ID的第一对应关系通知终端；
    所述网络侧设备在收到所述终端上报的设备到设备链路sidelink缓冲区状态上报BSR媒体接入控制控制单元MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；
    所述网络侧设备根据确定的PPP和sidelink BSR媒体接入控制控制单元MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
  2. 如权利要求1所述的方法，其中，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，包括：
    所述网络侧设备将所述第一对应关系置于第三代移动通信标准化组织协议3GPP TS 36.331的系统信息块SIB中新增的信息单元IE或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
  3. 如权利要求1所述的方法，其中，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端，包括：
    所述网络侧设备通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
    其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
    同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
  4. 如权利要求3所述的方法，其中，所述网络侧设备将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，还包括：
    所述网络侧设备根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
  5. 一种资源分配的方法，包括：
    终端接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；
    所述终端根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；
    针对每个目的地址，所述终端根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；
    所述终端向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
  6. 如权利要求5所述的方法，其中，所述终端接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系，包括：
    所述终端通过广播或专用信令接收所述第一对应关系。
  7. 如权利要求5所述的方法，其中，针对每个目的地址，所述终端根据所述第三对应关系，将每个目的地址的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述目的地址的LCG ID对应的缓冲区状态信息中，包括：
    所述终端确定每个目的地址对应的第三对应关系；
    针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID；
    所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
  8. 如权利要求7所述的方法，其中，针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID之后，向所述网络侧设备上报所述sidelink BSR MAC CE之前，还包括：
    所述终端将第一指示信息置于所述sidelink BSR MAC CE中，其中所述 第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
  9. 如权利要求5所述的方法，其中，所述终端根据所述第三对应关系，将每个目的地址的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述目的地址的LCG ID对应的缓冲区状态信息中，包括：
    所述终端确定每个目的地址对应的第三对应关系；
    针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；
    所述终端根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
  10. 如权利要求9所述的方法，其中，针对一个目的地址，所述终端从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的所有LCG ID之后，向所述网络侧设备上报所述sidelink BSR MAC CE之前，还包括：
    所述终端将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
  11. 一种资源分配的网络侧设备，包括：
    通知模块，用于将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
    确定模块，用于在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；
    分配模块，用于根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，为所述终端的每个目的地址分配资源。
  12. 如权利要求11所述的网络侧设备，其中，所述通知模块具体用于：
    将所述第一对应关系置于3GPP TS 36.331的SIB中新增的IE或新增的与3GPP TS 36.331的SIB不同的SIB中，并通过广播将每个目的地址的PPP和LCG ID的第一对应关系通知终端。
  13. 如权利要求11所述的网络侧设备，其中，所述通知模块具体用于：
    通过专用信令将每个目的地址的PPP和LCG ID的第一对应关系通知终端；
    其中，不同终端的相同或者不同目的地址的PPP和LCG ID的第一对应关系相同或不同；
    同一终端不同目的地址的PPP和LCG ID的第一对应关系相同或不同。
  14. 如权利要求13所述的网络侧设备，其中，所述通知模块还用于：
    将每个目的地址的PPP和LCG ID的第一对应关系通知终端之前，根据所述终端上报的所述终端的每个目的地址对应的逻辑信道的PPP个数，确定所述终端的每个目的地址的PPP和LCG ID的第一对应关系。
  15. 一种资源分配的终端，包括：
    接收模块，用于接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；
    处理模块，用于根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；
    生成模块，用于针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；
    上报模块，用于向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
  16. 如权利要求15所述的终端，其中，所述接收模块具体用于：
    通过广播或专用信令接收所述第一对应关系。
  17. 如权利要求15所述的终端，其中，所述生成模块具体用于：
    确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择一个LCG ID，或选择所述目的地址对应的 所有LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
  18. 如权利要求17所述的终端，其中，所述生成模块还用于：
    将第一指示信息置于所述sidelink BSR MAC CE中，其中所述第一指示信息用于通知网络侧设备所述sidelink BSR MAC CE中是所述目的地址对应的一个LCG ID还是所述目的地址对应的所有LCG ID的缓冲区状态信息。
  19. 如权利要求15所述的终端，其中，所述生成模块具体用于：
    确定每个目的地址对应的第三对应关系；针对一个目的地址，从所述目的地址对应的所有LCG ID中选择有数据需要发送的LCG ID；根据所述第三对应关系，将选择的LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中。
  20. 如权利要求19所述的终端，其中，所述生成模块还用于：
    将每个目的地址对应的第二指示信息置于所述sidelink BSR MAC CE中，其中所述目的地址对应的第二指示信息用于通知网络侧设备所述sidelink BSR MAC CE中所述目的地址对应的LCG ID的数量。
  21. 一种资源分配的网络侧设备，包括：
    存储器；
    收发机，用于接收和发送数据；以及
    处理器，用于读取存储器中的程序，执行下列过程：
    将每个目的地址的PPP和LCG ID的第一对应关系通知终端；在收到所述终端上报的sidelink BSR MAC CE后，根据所述第一对应关系，确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP；根据确定的PPP和sidelink BSR MAC CE中的每个目的地址的LCG ID对应的缓冲区状态信息，通过收发机为所述终端的每个目的地址分配资源。
  22. 一种资源分配的终端，包括：
    存储器；
    收发机，用于接收和发送数据；以及
    处理器，用于读取存储器中的程序，执行下列过程：
    通过收发机接收来自网络侧设备的每个目的地址的PPP和LCG ID的第一对应关系；根据所述第一对应关系以及PPP和逻辑信道的第二对应关系，确定每个目标地址的逻辑信道和LCG ID的第三对应关系；针对每个目的地址，根据所述第三对应关系，将LCG ID对应的部分或所有的逻辑信道的数据置于sidelink BSR MAC CE中的所述LCG ID对应的缓冲区状态信息中；通过收发机向所述网络侧设备上报所述sidelink BSR MAC CE，以使所述网络侧设备根据所述第一对应关系确定sidelink BSR MAC CE中的每个目的地址的LCG ID对应的PPP，并根据确定的PPP为所述终端分配资源。
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