WO2020143804A1 - 一种旁链路资源的配置方法及装置 - Google Patents

一种旁链路资源的配置方法及装置 Download PDF

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Publication number
WO2020143804A1
WO2020143804A1 PCT/CN2020/071530 CN2020071530W WO2020143804A1 WO 2020143804 A1 WO2020143804 A1 WO 2020143804A1 CN 2020071530 W CN2020071530 W CN 2020071530W WO 2020143804 A1 WO2020143804 A1 WO 2020143804A1
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WIPO (PCT)
Prior art keywords
terminal
resource
sidelink
resources
configuration information
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PCT/CN2020/071530
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English (en)
French (fr)
Inventor
王婷
唐浩
李新县
唐臻飞
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP20738040.3A priority Critical patent/EP3902353A4/en
Publication of WO2020143804A1 publication Critical patent/WO2020143804A1/zh
Priority to US17/371,768 priority patent/US12041582B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/121—Wireless traffic scheduling for groups of terminals or users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method and device for configuring sidelink resources.
  • sidelink resources are introduced, that is, terminals and terminals can communicate through sidelink resources.
  • the communication between the terminal and the terminal may also be called side link communication.
  • the present application provides a method and an apparatus for configuring sidelink resources to implement sidelink communication between terminals in a terminal group.
  • the present application provides a method for configuring sidelink resources, including: a first terminal receives first configuration information of sidelink resources, and the sidelink resources configured by the first configuration information include a terminal group In the resource pool of N terminals or the common resource of BWP resources in the sideband bandwidth, the terminal group includes the first terminal, and N is a positive integer; the first terminal is configured in the first configuration information On the sidelink resource, perform sidelink communication with the terminals in the terminal group.
  • the first terminal performs side-link communication with the terminals in the terminal group on the common resources of N terminals in the terminal group, thereby achieving communication between different terminals in the terminal group.
  • the public resources By notifying public resources, it is possible to achieve unicast and multicast side-link communication and improve transmission performance. It can also meet the needs of various services under the side link, such as implementing transmission under different frame structure parameters.
  • the N terminals are all terminals in the terminal group except the first terminal, or the N terminals are all terminals in the terminal group terminal.
  • the common resource is a common resource in the frequency domain.
  • the first terminal receives second configuration information of sidelink resources, and the first terminal determines the resource pool of the first terminal according to the second configuration information and/or Sidelink BWP resources, the resource pool includes a transmission resource pool and/or a reception resource pool, and the sidelink BWP resources include sidelink transmission resources and/or sidelink reception resources.
  • the first terminal receives second configuration information of sidelink resources, and the first terminal receives the second configuration information from an access network device.
  • the first terminal is directed to the second terminal in the terminal group and/or the terminal in the terminal group except the first terminal and the second terminal
  • the terminal of the terminal sends third configuration information
  • the third configuration information is used by the second terminal and/or the terminal in the terminal group other than the first terminal and the second terminal to determine the The resource pool and/or side link BWP of the first terminal.
  • the first terminal receives the second configuration information from a second terminal in the terminal group.
  • the first terminal receives the second configuration information of the sidelink resource, and the first terminal divides the first configuration information from the access network device and/or the terminal group.
  • a terminal and terminals other than the second terminal send fourth configuration information, where the fourth configuration information is used in the access network device and/or the terminal group except the first terminal
  • the terminal determines the resource pool and/or the sidelink BWP of the first terminal.
  • the first terminal is directed to the second terminal in the terminal group and/or the terminal in the terminal group except the first terminal and the second terminal
  • the terminal sends at least one of the following information: the identifier of the first terminal, the status of the first terminal, the capabilities of the first terminal, the radio frequency location information of the first terminal, the first terminal
  • the identifier includes at least one of a wireless network temporary identifier, a layer 2 identifier, and a sidelink target identifier.
  • the state of the first terminal includes at least one of inside coverage, outside coverage, connected state, idle state, and inactive state Item, the capability of the first terminal includes at least one of radio frequency bandwidth capability and channel bandwidth capability.
  • the above-mentioned second terminal is a terminal in the terminal group that manages the terminal group and/or assists in scheduling terminals in the terminal group for side-link communication.
  • the present application provides a method for configuring sidelink resources, including: a first device determining first configuration information for sidelink resources, and the sidelink resources configured by the first configuration information include a terminal group In the resource pool of N terminals or the common resources of BWP resources in the sideband bandwidth, the terminal group includes the first terminal, and N is a positive integer; the first device sends the The first configuration information of the side link resource, and the side link resource configured by the first configuration information is used for side link communication between the first terminal and a terminal in the terminal group.
  • the first device configures the first terminal with a common resource of N terminals in the terminal group, so that the first terminal can perform sidelink communication with the terminals in the terminal group on the common resource, thereby realizing the terminal Communication between different terminals in the group.
  • the first terminal By notifying public resources, it is possible to achieve unicast and multicast side-link communication and improve transmission performance. It can also meet the needs of various services under the side link, such as implementing transmission under different frame structure parameters.
  • the N terminals are all terminals in the terminal group except the first terminal, or the N terminals are all terminals in the terminal group terminal.
  • the common resource is a common resource in the frequency domain.
  • the first device receives group information of the terminal group from a second device; the first device determines the common resource according to the group information.
  • the group information includes at least one of the following information: the terminal identification of the terminal in the terminal group, the terminal status of the terminal in the terminal group, the The group identifier of the terminal group and the common resource.
  • the first device is a second terminal of the terminal group, and the second device is an access network device; or, the first device is an access network device, The second device is the second terminal of the terminal group.
  • the above-mentioned second terminal is a terminal in the terminal group that manages the terminal group and/or assists in scheduling terminals in the terminal group for side-link communication.
  • the present application provides a method for configuring sidelink resources, including: a second device sends group information of a terminal group to a first device, where the group information is used by the first device to determine The resource pool of the N terminals in the terminal group or the common resource of the BWP resources in the sideband bandwidth part, N is a positive integer.
  • the second device sends the group information of a terminal group to the first device, so that the first device can determine the common resources of N terminals in the terminal group, thereby enabling the terminals in the terminal group to Sidelink communication is performed on the common resources to realize communication between different terminals in the terminal group.
  • the N terminals are all terminals in the terminal group or all terminals in the terminal group except the first terminal, and the common resource is used
  • the first device sends to the first terminal.
  • the common resource is a common resource in the frequency domain.
  • the group information includes at least one of the following information: the terminal identification of the terminal in the terminal group, the terminal status of the terminal in the terminal group, the The group identifier of the terminal group and the common resource.
  • the first device is a second terminal of the terminal group, the second device is an access network device, and the terminal group includes the head terminal.
  • the first device is an access network device, and the second device is a second terminal of the terminal group.
  • the above-mentioned second terminal is a terminal in the terminal group that manages the terminal group and/or assists in scheduling terminals in the terminal group for side-link communication.
  • the present application provides a method for configuring sidelink resources, including: a first terminal receives first configuration information of sidelink resources, and the sidelink resources configured by the first configuration information include A resource pool or a sideband bandwidth part of BWP resources; the first terminal performs sidelink communication with the second terminal on the sidelink resource configured by the first configuration information.
  • the first terminal can perform side-link communication with the second terminal on the resources of the second terminal, thereby achieving communication between different terminals.
  • the common resource is a common resource in the frequency domain.
  • the first terminal receives second configuration information of sidelink resources, and the first terminal determines the resource pool of the first terminal according to the second configuration information and/or Sidelink BWP resources, the resource pool includes a transmission resource pool and/or a reception resource pool, and the sidelink BWP resources include sidelink transmission resources and/or sidelink reception resources.
  • the present application provides an apparatus, which may be a terminal (such as a first terminal or a second terminal), an access network device, or a chip.
  • the device has the function of implementing the method for configuring the sidelink resources of any one of the above aspects or any implementation manner of any one of the aspects.
  • This function can be realized by hardware, and can also be realized by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • an apparatus including: a processor and a memory; the memory is used to store computer-executed instructions, and when the apparatus is running, the processor executes the computer-executed instructions stored in the memory to cause the apparatus to execute The method for configuring sidelink resources according to any one of the above aspects or any implementation manner of any aspect.
  • the present application also provides a computer-readable storage medium having instructions stored therein, which when executed on a computer, causes the computer to perform any one of the above aspects or any one of any aspect Implementation method of sidelink resource configuration.
  • the present application also provides a computer program product that includes instructions that, when run on a computer, cause the computer to perform a method for configuring sidelink resources of any one of the above aspects or any implementation of any one of the above aspects.
  • the present application further provides a system including the first terminal in the above first aspect or any implementation manner of the first aspect, and, in the above second aspect or any implementation manner of the second aspect First device.
  • system further includes the second device in the third aspect or any implementation manner of the third aspect.
  • FIG. 1 is a schematic diagram of a possible network architecture provided by this application.
  • Figure 2(a) is the SL base station scheduling mode provided by this application.
  • Figure 2(b) is the UE autonomous selection mode of the SL provided by this application.
  • 2(c) is a flow chart of a method for configuring side link resources provided by this application.
  • FIG. 3 is a schematic diagram of terminal resources provided by this application.
  • FIG. 5 is a schematic diagram of a device provided by this application.
  • FIG. 6 is a schematic diagram of another device provided by the present application.
  • the network architecture further includes a network management system 30, where the terminal group 10 includes two or more terminals, and different terminals can communicate with each other, such as one terminal to another terminal or multiple terminals After sending the control information and/or data, the other terminal or multiple terminals can receive the control information and/or data.
  • at least one header terminal (or called a head device, user equipment (UE), leader UE, etc.) may exist in the terminal group 10, in addition to the communication function of the ordinary terminal It can also manage terminals in the terminal group and/or auxiliary scheduling terminal group for side-link communication.
  • the terminal communicates with the access network device 20 through a wired interface or a wireless interface.
  • the terminal communicates with the network management system 30 through a wired interface or a wireless interface.
  • the terminal and the network management system 30 may communicate through the access network device 20.
  • the network management system 30 may be an operator's network management system.
  • any terminal other than the head terminal in the terminal group is referred to as a first terminal.
  • the head terminal in the terminal group in this application may also be referred to as a second terminal, which will be referred to as a head terminal for convenience in the following description, that is, subsequent head terminals may be replaced with second terminals. Repeat again.
  • the terminal is a device with wireless transceiver function.
  • the terminal can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on the water (such as ships); it can also be deployed in the air (such as aircraft, balloons and Satellite first class).
  • the terminal may be a mobile phone, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, and an industrial control (industrial control) Wireless terminal in self-driving, wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in transportation safety,
  • Terminals can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (personal digital assistants, PDAs), and wireless communication functions Handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the 5th generation (5G) network in the future, or public land mobile communication networks that will evolve in the future (public land, mobile network, PLMN) terminal equipment, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • Handheld devices computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the 5th generation (5G) network in the future, or public land mobile communication networks that will evolve in the future (public land, mobile network, PLMN) terminal equipment, etc.
  • 5G 5th generation
  • PLMN public land mobile communication networks
  • Terminals are sometimes referred to as terminal devices, UEs, access terminal devices, vehicle-mounted terminals, industrial control terminals, UE units, UE stations, mobile stations, mobile stations, remote stations, remote terminal devices, mobile devices, UE terminal devices, terminals Equipment, wireless communication equipment, UE agents or UE devices, etc.
  • the terminal may also be fixed or mobile. This embodiment of the present application is not limited thereto.
  • An access network device also known as a radio access network (radio access network, RAN) device, is a device that provides wireless communication functions for terminals.
  • Access network equipment includes, for example, but not limited to: 5G next-generation base station (gNodeB, gNB), evolved node B (evolved node B, eNB), radio network controller (radio network controller, RNC), node B ( node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (eg, home evolved node B, or home node B, HNB), baseband unit (baseBand unit) , BBU), transmitting point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, etc.
  • 5G next-generation base station gNodeB, gNB
  • evolved node B evolved node B
  • eNB radio network controller
  • RNC radio network controller
  • node B node B, NB
  • BSC base station controller
  • the access network device may also be a wireless controller, a centralized unit (CU), and/or a distributed unit (DU) in a cloud radio access network (CRAN) scenario, or this
  • the network device may be a relay station, an access point, a vehicle-mounted device, a terminal device, a wearable device, a network device in a future 5G network, or a network device in a future evolved PLMN network.
  • the terminal can communicate with multiple access network devices of different technologies.
  • the terminal can communicate with an access network device that supports long-term evolution (LTE) networks, and can also communicate with an access network device that supports 5G networks. It can also support dual connection with the access network equipment of LTE network and the access network equipment of 5G network.
  • LTE long-term evolution
  • 5G 5G network
  • This application is applicable to both homogeneous network and heterogeneous network scenarios, and there are no restrictions on transmission points, which can be macro base stations and macro base stations, micro base stations and micro base stations, and, multi-point coordinated transmission between macro base stations and micro base stations .
  • the application is applicable to both low-frequency scenes (sub 6G) and high-frequency scenes (above 6G).
  • Air interface resources may include time-domain resources and frequency-domain resources, and time-domain resources and frequency-domain resources may also be referred to as time-frequency resources.
  • the frequency domain resource may be located in a frequency range, and the frequency range may also be called a band or a frequency band, and the width of the frequency domain resource may be called a bandwidth (BW) of the frequency domain resource.
  • BW bandwidth
  • transmission referred to in this application may include the sending and/or receiving of information, such as the sending and/or receiving of data and/or control information.
  • the side link is used for communication between the terminal and the terminal, and may include a physical side link shared channel (Physical Sidelink Shared Channel, PSSCH) and a physical side link control channel (Physical Sidelink Control Channel, PSCCH).
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • PSSCH can be used to transmit data
  • PSCCH can be used to transmit control information (such as scheduling assignment (SA) information).
  • SA scheduling assignment
  • the side link may also be called an edge link.
  • the communication of the side link may also include a physical side link uplink control channel (physical side link up control channel, PSUCCH).
  • the physical side-link uplink control channel may also be simply referred to as the side-link uplink control channel.
  • the physical sidelink uplink control channel may also be referred to as a physical sidelink feedback channel (physical sidelink feedback channel, PSFCH).
  • the physical sidelink feedback channel may also be referred to simply as the sidelink feedback channel.
  • the sidelink uplink control channel or the sidelink feedback channel can be used to transmit sidelink feedback control information (sidelink feedback control information (SFCI)).
  • sidelink feedback control information sidelink feedback control information
  • Sidelink feedback control information may also be referred to as sidelink feedback information for short, and may also be referred to as sidelink uplink control information (sidelinkuplinkcontrolinformation, SLUCI).
  • the sidelink uplink control channel may be used to transmit at least one of channel state information (channel state information (CSI), hybrid automatic repeat request (HARQ) information, etc.
  • CSI channel state information
  • HARQ hybrid automatic repeat request
  • the HARQ information may include acknowledgement information (acknowledgement, ACK) or negative acknowledgement (negtive acknowledgement, NACK).
  • the bandwidth portion may be a continuous frequency domain resource.
  • the bandwidth portion may also be referred to as the carrier bandwidth portion (carrier BWP).
  • the configuration of the carrier BWP may include a frequency starting resource block (RB), bandwidth (BW) and corresponding frame structure parameter (numerology) of the carrier bandwidth part.
  • the bandwidth may refer to the number of RBs included in the carrier bandwidth.
  • the maximum number of BWPs that a terminal can be configured is limited. For example, a terminal can be configured with a maximum of 4 BWPs in a serving cell.
  • the number of BWPs that can be activated simultaneously by the terminal is also limited. For example, the number of BWPs that can be activated simultaneously by the terminal is one. The terminal sends and receives data on the activated BWP.
  • the BWP resource may include a sidelink BWP resource and a Uu air interface (the Uu air interface may be understood as a universal UE network interface (universal UE to network interface)) BWP resource.
  • the Uu air interface may be understood as a universal UE network interface (universal UE to network interface)
  • sidelink BWP resources are used for terminal-to-terminal communication
  • Uu air interface BWP resources are used for terminal-to-access network device communication.
  • the BWP of the Uu air interface here may also be referred to as Uu BWP for short.
  • Frame structure parameters may include subcarrier spacing and/or cyclic prefix (CP) type.
  • the CP type may also be called CP length, or simply CP.
  • the CP type may be an extended CP, or a normal (normal) CP.
  • the next time slot of the extended CP may include 12 time domain symbols, and the next time slot of the normal CP may include 14 time domain symbols. Time domain symbols can be referred to simply as symbols.
  • Time domain symbols can be orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbols, or they can be orthogonal frequency division multiplexing based on discrete Fourier transform expansion (discrete fourier transform transform orthogonal frequency division multiplexing, DFT-s- OFDM) symbol, in the embodiment of the present application, the time domain symbol may be an OFDM symbol as an example for description.
  • OFDM orthogonal frequency division multiplexing
  • DFT-s- OFDM discrete Fourier transform orthogonal frequency division multiplexing
  • the frame structure parameter corresponding to number 0 is: subcarrier spacing is 15kHz
  • CP is normal CP
  • the frame structure parameter corresponding to number 1 is: subcarrier spacing is 30kHz
  • CP is normal CP
  • the frame structure parameter of number 2 is :
  • the subcarrier spacing is 60kHz
  • CP is normal CP or extended CP
  • the frame structure parameter number 3 is: subcarrier spacing 120kHz
  • CP is normal CP
  • the frame structure parameter number 4 is: subcarrier spacing is 240kHz
  • CP is a normal CP.
  • time slot lengths for different subcarrier intervals. For example, when the subcarrier interval is 15 kHz, one slot may be 1 millisecond (ms); when the subcarrier interval is 30 kHz, one slot may be 0.5 ms.
  • a time slot may include one or more symbols. For example, the next slot of a normal CP may include 14 symbols, and the next slot of an extended CP may include 12 symbols.
  • Mini-slots also known as mini-slots, can be smaller units than slots, and a mini-slot can include one or more symbols. For example, a mini-slot may include 2 symbols, 4 symbols, or 7 symbols.
  • a time slot may include one or more mini-slots.
  • one radio frame may last 10 ms, each subframe may last 1 ms, one radio frame may include 10 subframes, each time slot may last 1 ms, and each subframe may include 1 time slot, Each slot may include 14 symbols. Further, the mini-slot may include 4 symbols, 2 symbols, or 7 symbols.
  • time slots under different frame structure parameters are shown in Table 2.
  • One radio frame may be 10 ms, one radio frame may include 10 subframes, and one subframe is 1 ms.
  • the side link resource is a resource used for communication between the terminal and the terminal.
  • the side link resources may include side link resources in the frequency domain and side link resources in the time domain. This application mainly discusses side-link resources in the frequency domain. The side-link resources that appear subsequently can all refer to side-link resources in the frequency domain.
  • the sidelink resources may include sidelink transmission resources and sidelink reception resources.
  • the sidelink transmission resources are used to send information, such as control information and/or data.
  • the side-link receiving resources are used to receive information, such as receiving control information and/or data.
  • the sidelink signal may include control information and/or data and/or feedback information carried on the sidelink channel.
  • control information may be information used for scheduling data, such as downlink control information (Downlink control information, DCI) and sidelink control information (SCI) in the prior art.
  • the feedback information may refer to the feedback information, such as the uplink control information (Uplink Control Information (UCI), the sidelink feedback information (SFCI), etc.) in the prior art.
  • Control information can be carried through control channels, such as PSCCH, physical side link control channels.
  • Feedback information can be carried through feedback channels, such as PSFCH, physical sidelink feedback channel or physical sidelink uplink control channel (physical sidelinkuplink control channel, PSUCCH).
  • the data may refer to a generalized signal, a data packet, or a transmission block or codeword.
  • Data can be carried through data channels, such as PSSCH, physical sidelink shared channels, etc.
  • sidelink resources may include sidelink BWP resources and/or sidelink resource pools.
  • a sidelink resource pool may be part or all of a sidelink BWP resource.
  • the relationship between the resource pool and the side-link BWP resource may be that one resource pool is associated with one BWP resource.
  • the frequency domain resources of a resource pool may be located in the frequency domain resources of a sidelink BWP, and the frequency domain resources of a resource pool will not span the frequency domain resources of two sidelink BWPs.
  • one sidelink BWP resource may include one or more sidelink resource pools.
  • the foregoing sidelink BWP resources may include sidelink sending BWP resources and sidelink receiving BWP resources.
  • the sidelink resource pool may include a sidelink transmission resource pool (sidelink transmission resource) and a sidelink reception resource pool (sidelink reception resource).
  • the sidelink sending BWP resources and the sidelink receiving BWP resources may be collectively referred to as sidelink BWP resources.
  • the sidelink resource pool may include two parts of resources, one part is scheduling assignment (SA) resource, which is used to transmit scheduling information, and the other part is data resource, which is used in this resource Used to transfer data. Therefore, the sidelink transmission resource pool may include scheduling and allocation resources and data resources, and the sidelink reception resource pool may also include scheduling and allocation resources and data resources.
  • SA scheduling assignment
  • the sidelink BWP resources may include a sidelink transmission resource pool and/or a sidelink reception resource pool.
  • the sidelink transmission BWP resource may include a sidelink transmission resource pool.
  • the sidelink receiving BWP resource may include a sidelink receiving resource pool.
  • the operator pre-configures the side link resources for the terminal or pre-configures the side link resources for the terminal in a predefined manner in a standard protocol.
  • one or more terminals can be configured with sidelink resources.
  • the operator's network management system can send pre-configuration information to each terminal separately.
  • the pre-configuration information is used for each terminal Configure sidelink resources separately. Since the preconfiguration information is sent to multiple terminals, the sidelink resources configured by the preconfiguration information can be used for broadcast transmission between the terminals.
  • the terminal 1 can use the sidelink resource broadcast data configured by the preconfiguration information and/or Or control information, other terminals, such as terminal 2, may receive data and/or control information on the sidelink resource.
  • the sidelink resources configured by the preconfiguration information can also be used for multicast transmission and/or for unicast transmission, which is not limited in this application.
  • broadcast transmission may be referred to as broadcast sidelink signal communication, and may also be referred to as sidelink communication of a broadcast service, or sidelink communication whose transmission type is broadcast.
  • multicast transmission may be referred to as multicast sidelink signal communication, and may also be referred to as sidelink communication of a multicast service, or sidelink communication whose transmission type is multicast.
  • unicast communication may be referred to as unicast sidelink signal communication, and may also be referred to as sidelink communication for unicast services, or sidelink communication with a transmission type of unicast.
  • a network management system operated by an operator may configure a side link BWP for a terminal device through pre-configuration signaling, and the side link BWP may be referred to as a pre-configured side link BWP.
  • the common BWP may include a pre-configured side link BWP.
  • the pre-configured side link BWP may also be simply referred to as the pre-configured BWP.
  • the network management system can write pre-configured signaling in the terminal's SIM or USIM, and the terminal can obtain the pre-configured side link BWP configuration information by reading the pre-configured signaling in the SIM card, and then determine the pre-configured side link BWP.
  • the network management system may also send pre-configured signaling to the mobile equipment (ME) of the terminal, and the terminal may determine the pre-configured sidelink BWP through the pre-configured signaling.
  • ME mobile equipment
  • the sending resource pool and/or the receiving resource pool configured in the pre-configured BWP may be called a pre-configured resource pool.
  • the pre-configured resource pool may include a pre-configured sending resource pool and/or a pre-configured receiving resource pool.
  • the SIM subscriber identification module
  • the SIM may be a user identification card, also known as a user identification card, a smart card, and so on.
  • USIM can be the abbreviation of Universal Subscriber Identity Card (Universal Subscriber Identity Module), or it can also be called Upgrade SIM.
  • the one or more terminals may refer to terminals served by the operator.
  • the one or more terminals may refer to one or more terminals that can receive operator pre-configuration information, for example, all terminals served by one cell.
  • Method 2 System information configuration or radio resource control (RRC) public information configuration
  • the access network device sends system information or RRC public information to the terminal.
  • System information or public RRC information may be cell-level parameters.
  • a group of terminals can be configured with sidelink resources.
  • the access network device can send system information or RRC public information to a group of terminals.
  • the system information Or RRC public information is used to configure sidelink resources for each terminal. Since the system information or RRC common information is sent to a group of terminals, the sidelink resources configured by the system information or RRC common information can be used for multicast transmission between the terminals in the group, for example, terminal 1 can use the system information With the configuration or multicast data and/or control information of the side link resource configured by the RRC common information, other terminals in the group, such as terminal 2, can receive data or control information on the side link resource.
  • the access network device may configure a side link BWP for the terminal through system information or RRC common information, and the side link BWP may be referred to as a system common side link BWP.
  • the system common side link BWP may also be simply referred to as the system public BWP, or public BWP.
  • the sending resource pool and/or the receiving resource pool configured in the system common BWP may be called a system common resource pool or a common resource pool.
  • the common resource pool may include a common sending resource pool and/or a common receiving resource pool.
  • the group of terminals may include one or more terminals.
  • the group of terminals may refer to one or more terminals that can receive the system information or RRC public information.
  • a cell may divide the terminals it serves into multiple groups, and the group of terminals is one of the groups.
  • the sidelink resources configured by system information or RRC common information can also be used for unicast transmission and/or broadcast transmission, which is not limited in this application.
  • the access network device sends RRC specific information to the terminal.
  • the RRC-specific information may be terminal-level parameters (or called UE-level parameters), and parameter configuration is performed for the terminal.
  • a single terminal can be configured with sidelink resources.
  • the access network device can send RRC-specific information to a single terminal.
  • the RRC-specific information is used to configure sidelink resources for the terminal . Since the RRC-specific information is sent to a single terminal, the side-link resources configured by the RRC-specific information can be used for unicast transmission between the terminals in the group.
  • the terminal 1 can use the side-link resources configured by the RRC-specific information to The terminal 2 unicast sends data or control information.
  • the access network device may configure a side link BWP to the terminal through RRC-specific information.
  • the side link BWP may be called a user-specific side link BWP, or a user-specific side link BWP, or simply a user.
  • the BWP may be configured by the network device to the terminal through UE-specific signaling.
  • the sending resource pool and/or the receiving resource pool configured in the dedicated BWP may be called a dedicated resource pool.
  • the dedicated resource pool may include a dedicated sending resource pool and/or a dedicated receiving resource pool.
  • the sidelink resources configured by the RRC specific information can also be used for broadcast transmission and/or multicast transmission, which is not limited in this application.
  • the network device may configure SL resources for the sending-end UE (also called a sending terminal) and/or the receiving-end UE (also called a receiving terminal) through configuration information, and the SL resources include one or more Resource pool.
  • the plurality may be 2, 3, 4 or more, and the embodiments of the present application are not limited.
  • the network device may indicate the resources in the resource pool for sidelink communication to the transmitting UE through DCI.
  • the transmitting UE may use the resources in the resource pool indicated by the DCI to
  • the receiving end UE sends SL information, and the SL information may include SL and/or SCI and/or SFCI.
  • the receiving end may receive the SL information.
  • the network device may be a base station or a network management system operated by an operator.
  • the network device may configure SL resources for UE1 and UE2, the network device may send DCI to UE1, and UE1 may determine the SL transmission resource according to the indication of DCI, and send the SCI and/or the SL transmission resource SL data.
  • the UE2 determines the SL receiving resource according to the configured SL resource, receives the SCI on the SL receiving resource, and receives the SL data on the receiving resource according to the SCI.
  • UE2 may send 1 to the UE to send SFCI.
  • the SFCI may include a positive acknowledgement (ACK), otherwise, the SFCI may include a negative acknowledgement (NACK) and so on.
  • ACK positive acknowledgement
  • NACK negative acknowledgement
  • the network device may configure SL resources for UE1, UE2, and UE3, and the network device may allocate SL transmission resources for UE3 and UE1 through DCI.
  • UE3 may send an SL signal to UE1.
  • the SL signal may include SCI and/or SL data.
  • UE1 may send SFCI to UE3.
  • UE1 may send an SL signal to UE2 on the SL transmission resources.
  • the SL signal may include SCI and/or SL data.
  • UE2 may send SFCI to UE1
  • the base station scheduling mode may also be called a base station assisted scheduling mode.
  • the network device may configure SL resources for the sending UE and/or the receiving UE through configuration information, and the SL resources include one or more resource pools.
  • the UE at the sending end senses in the configured SL resources, and if it senses that there are available resources in the SL resources, it sends the SL information in the available resources.
  • the UE at the receiving end receives the SL information in the SL resources.
  • the network device may configure SL resources for UE1 and UE2.
  • UE1 senses SL transmission resources among the configured SL resources, and transmits SCI and/or SL data in the SL transmission resources.
  • UE2 receives SCI and/or SL data according to the configured SL resources.
  • UE2 may perceive SL transmission resources among the configured SL resources, and send SFCI to UE1 on the SL transmission resources.
  • UE1 when UE1 is the sending end and sends SL data information to UE2 on the SL transmission resource, UE1 can also serve as the receiving end to receive the SL data information sent by UE3.
  • UE1 may send SFCI to UE3 on the SL transmission resources.
  • base station scheduling mode of the sidelink SL which will not be described here.
  • transmission may include the sending and/or receiving of data and/or control information.
  • Words such as “first” and “second” are only used for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance, nor as indicating or implying order.
  • the first device in this application refers to an access network device
  • the second device refers to a head terminal.
  • the first device refers to a head terminal
  • the second device refers to an access network device.
  • the present application provides a method for configuring sidelink resources, as shown in FIG. 2(c), the method includes the following steps:
  • Step 203 The head terminal determines the first configuration information of the side link resource.
  • Step 204 The head terminal sends the first configuration information of the sidelink resources to the first terminal.
  • the sidelink resources configured by the first configuration information include resource pools of N terminals or sidelink BWP resources in a terminal group. Common resources, the terminal group includes the first terminal, and N is a positive integer.
  • the common resource here may be a common resource in the frequency domain.
  • the common resource may refer to a common receiving resource and/or a common sending resource.
  • the N terminals here are all terminals except the first terminal in the terminal group. For example, there are 20 terminals in the terminal group, respectively numbered 1 to 20. If the first terminal is terminal 1, the N terminals here refer to terminal 2 to terminal 20, where terminal 1 to terminal 20 may include Head terminal. Based on this implementation, the head terminal sends the public resources of these 19 terminal resource pools or side-link BWP resources to terminal 1, that is, the public resources here are the resources included in these 19 terminals.
  • the N terminals here are all terminals in the terminal group. For example, there are 20 terminals in the terminal group, numbered 1 to 20 respectively. If the first terminal is terminal 1, the N terminals here refer to terminal 1 to terminal 20, where terminal 1 to terminal 20 may include Head terminal. Based on this implementation, the head terminal sends the resource resources of these 20 terminals or the common resources of the side-link BWP resources to terminal 1, that is, the common resources here are the resources included in these 20 terminals.
  • the head terminal may send the first configuration information to the first terminal through the PC5 air interface.
  • the PC5 air interface may refer to an air interface used for terminal-to-terminal communication, for example, it may be physical layer communication or high-level communication.
  • the common resource may be determined by indicating a resource pool.
  • the public resource may be determined by indicating location information or resource information of the public resource.
  • the head terminal may indicate the identifier of the resource pool included in the public resource through the first configuration information, such as Resource Pool 0, Resource Pool 1, and so on.
  • the head terminal may indicate the location information of the common resource through the first configuration information.
  • the location information is used to determine the frequency domain resources included in the public resources.
  • it may be an indication method similar to BWP, such as indicating the position of the frequency domain resource of the common resource (such as the starting position + bandwidth).
  • the first configuration information indicates the identifier of the resource pool
  • it may be a bitmap indicating the resource pool.
  • R bits may be used Indicate that one bit can correspond to one resource pool. For example, if the bit value is 1, it indicates that the resource pool corresponding to the bit is a common resource; if the bit value is 0, it indicates that the resource pool corresponding to the bit is not a public resource. Or the meaning of the bits may be reversed, specifically, this application does not limit it.
  • bit binary coding when the first configuration information indicates the identifier of the resource pool, bit binary coding may be used. For example, if there are R resource pools, log 2 (R) bits can be used to indicate that a binary bit value can correspond to a resource pool.
  • the first configuration information may be the number indicating the resource pool in the carrier. For example, if the carrier includes 8 resource pools, the number of the resource pool may be 0 to 7 or 1 to 8, then the common resource may be indicated by 3 bits .
  • the first configuration information may be a number indicating a resource pool in a bandwidth part (BWP).
  • BWP bandwidth part
  • Public resources can be indicated with 2bit.
  • bit value indicates that the first resource pool (resource pool numbered 0 or 1) is a common resource; if the bit value is 01, it indicates that the second resource pool (number 1 or The resource pool numbered 2 is a public resource, and so on.
  • the meaning of the bit may also be determined according to the correspondence between the meaning of the bit and the resource pool, where the correspondence may be predefined by the protocol or notified to the terminal through signaling. Specifically, this application does not limit this.
  • the first configuration information when it indicates a common resource, it may indicate the starting position and bandwidth corresponding to the common resource.
  • the starting position may refer to the starting RB, and the bandwidth may refer to the number or length of RBs.
  • a resource indication value (resource, indication, value, RIV) may be used to indicate the starting RB position of the common resource and the length of the RB.
  • the length of the starting RB and RB can be determined according to the RIV according to the following formula.
  • RB start is the starting RB of the common resource
  • L RBs is the length of the RB of the common resource
  • L RBs ⁇ 1 does not exceed
  • the indicated maximum bandwidth may be, for example, the maximum bandwidth of a common resource, or may be the maximum bandwidth of a BWP, for example, 275 RBs or 273 RBs. That is, starting from RB start , L RBs consecutive RBs with indexes are common resources indicated by the first configuration information.
  • the terminal may determine the length of the starting RB and the length of the RB according to the correspondence between the RIV and the length of the starting RB and the RB, or may determine the common resource indicated by the first configuration information to the terminal.
  • the terminal may start from the starting RB and perform sidelink signal transmission with other terminals on a common resource with a continuous RB index and a length of the RB.
  • the first configuration information when the first configuration information indicates a common resource, it may indicate a starting position corresponding to the common resource.
  • the bandwidth of the common resource may be predefined by the protocol, for example, the number of RBs included in a resource pool. For example, it can be 20 RBs, 50 RBs, etc.
  • the first configuration information when it indicates a common resource, it may indicate a bandwidth corresponding to the common resource.
  • the starting position of the public resource may be predefined by the protocol.
  • the bandwidth corresponding to the common resource is located at the center of the carrier bandwidth.
  • the center position of the public resource is the center position or center frequency point of the carrier bandwidth.
  • the first configuration information may also indicate the frame structure parameter corresponding to the common resource.
  • the carrier bandwidth under the frame structure parameter corresponding to the common resource may be indicated.
  • the starting position may be an offset from the common RB number, or may be an offset from the first RB of the terminal's BWP, or may be an offset from the lowest RB number of the terminal's BWP Offset.
  • the RB may be a frequency domain unit granularity, for example, one RB may include 12 subcarriers.
  • the RB may also be replaced with other frequency domain unit granularity. Specifically, this application does not limit this.
  • the common RB number may represent the index of the RB in one carrier, that is to say, the common RB number is designed with the carrier as a reference object.
  • the carrier may be a carrier at the frame structure parameter level or a carrier at the subcarrier interval level. Different subcarrier intervals can correspond to different carriers. Specifically, the numbering starts from the starting RB of the carrier in the direction of increasing or decreasing frequency, so that any RB in the carrier is an RB offset by S1 RBs relative to the starting RB of the carrier, and S1 is greater than or equal to An integer equal to 0.
  • the number may also be called an index, etc., which is not limited in this application.
  • the head terminal may send an SCI through the physical layer to notify the terminal's common resources in the terminal group.
  • the head terminal may send the first configuration information to the terminal through the group common SCI.
  • the group of public SCIs Through the group of public SCIs, one or more terminals in the terminal group can receive the first configuration information.
  • the group public SCI can be scrambled by the group ID, which can be a group-radio network temporary identity (G-RNTI).
  • G-RNTI group-radio network temporary identity
  • the head terminal may send the first configuration information to the terminal through a terminal-level SCI, and through the SCI, one or more terminals in the group may receive the first configuration information.
  • the user-level SCI may be scrambled by the terminal identification, for example, the terminal identification may be a radio network temporary identity (RNTI).
  • RNTI radio network temporary identity
  • the RNTI may be a sidelink RNTI (sidelink-RNTI, s-RNTI), or other sidelink identifiers.
  • Step 205 The first terminal performs side link communication with the terminals in the terminal group on the side link resources configured by the first configuration information.
  • the first terminal may perform sidelink communication with the terminals in the terminal group on the sidelink resources configured by the first configuration information. That is, the first terminal may send sidelink information to other terminals in the terminal group.
  • the first terminal may determine the currently available sidelink resources from the sidelink resources configured by the first configuration information, and perform sidelink communication with the terminals in the terminal group.
  • the first terminal when the first terminal is a sending-side terminal and other terminals in the terminal group are receiving-side terminals, that is, when the first terminal sends sidelink information to the terminals in the terminal group, the first terminal may The currently available sidelink transmission resources are determined from the sidelink resources configured by the configuration information, and sidelink communication is performed with the terminals in the terminal group on the sidelink transmission resources.
  • the sending-side terminal may send a side-link signal, such as a reference signal (including demodulation reference signal (DMRS), channel state information reference signal (channel stateinformation-reference (signal, CSI-RS), sounding reference signal (sounding reference, signal, SRS, etc.), physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH), physical sidelink control channel (Physical Sidelink Control Channel, PSCCH), physical sidelink discovery channel (Physical Sidelink Discovery Channel, PSDCH), physical sidelink broadcast channel (Physical Sidelink Broadcast Channel, PSBCH), sidelink uplink control channel (PSUCCH, Physical Sidelink Uplink Control Channel) At least one.
  • DMRS demodulation reference signal
  • channel state information reference signal channel stateinformation-reference
  • sounding reference signal sounding reference, signal, SRS, etc.
  • PSSCH Physical sidelink shared channel
  • PSCCH Physical Sidelink control channel
  • PSDCH Physical Sidelink Discovery Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • PSUCCH Physical Sidelink Uplink Control
  • the receiving side terminal may receive on the common resources side signals transmitted by one or more transmitting side terminals, such as reference signals (including demodulation reference signals (DMRS), channel state information reference signals ( channel state-information-reference signal (CSI-RS), sounding reference signal (sounding reference signal, SRS), etc.), physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH), physical sidelink control channel (Physical SideSidelink Control Channel) Channel, PSCCH), Physical Sidelink Discovery Channel (Physical Sidelink Discovery Channel, PSDCH), Physical Sidelink Broadcast Channel (Physical SideSidelink Broadcast Channel, PSBCH), Sidelink Uplink Control Channel (PSUCCH, Physical SideSidelink Uplink Control Channel) At least one item.
  • reference signals including demodulation reference signals (DMRS), channel state information reference signals ( channel state-information-reference signal (CSI-RS), sounding reference signal (sounding reference signal, SRS), etc.
  • DMRS demodulation reference signals
  • CSI-RS channel state-information-reference signal
  • SRS
  • the terminal on the receiving side may also receive sidelink signals on other sidelink resources, and it is not limited to receiving sidelink signals only on common resources.
  • the receiving terminal can receive unicast, multicast, and broadcast sidelink signals at the same time. As long as it is within the receiving capability of the receiving side terminal, the receiving side terminal can receive the sidelink signal on the configured receiving resources.
  • the side link communication may be unicast communication and/or multicast communication.
  • the first terminal performs side-link communication with the terminals in the terminal group on the common resources of N terminals in the terminal group, thereby achieving communication between different terminals in the terminal group.
  • the head terminal informs the terminals in the terminal group of the public resources through the PC5 air interface, it does not need to be notified through the access network device, so the signaling delay caused by the participation of the access network device can be avoided.
  • the terminal group includes terminal 1, terminal 2, and terminal 3. Take the common resource as the receiving resource pool (RX Resource Pool) as an example.
  • the resources configured by the network side for each terminal in the terminal group include a receiving resource pool.
  • the resources configured for terminal 1 include resources corresponding to RX Resource 0 and RX Resource 1
  • the resources configured for terminal 2 include RX Resource 0, RX Resource 1, pool 1, RX Resource 2 and RX Resource 3 correspond
  • the resources configured for terminal 3 include resources corresponding to RX Resource 0, RX Resource 1, pool RX Resource 2, pool RX Resource 3, RX Resource 4 and RX Resource 5 corresponding to RX.
  • the first terminal may be terminal 1 or terminal 3.
  • the head terminal can configure the public resources for terminal 1 through the first configuration information through any of the following methods:
  • Method 1 The head terminal configures the common resources of all terminals except terminal 1 in the terminal group to terminal 1 through the first configuration information.
  • the terminals other than terminal 1 in the terminal group include terminal 2 and terminal 3, so the common resources are the common resources of terminal 2 and terminal 3, that is, RXResource Pool 0, RX Resource Pool 1, RX Resource corresponding to Resource 2 and RX Resource 3
  • the head terminal allocates resources corresponding to RX, Resource, Pool 1, RX, Resource, Pool, and RX Resource 3 to Terminal 1 through the first configuration information, so that Terminal 1 can use these common resources to terminal 2 and /Or terminal 3 sends sidelink information, such as unicast information, multicast information, etc., and terminal 2 and/or terminal 3 can receive the sidelink information sent by terminal 1 on these common resources, such as unicast information, Multicast information, etc.
  • the resources corresponding to RX Resource 0, RX Resource 1, pool RX Resource 2 or RX Resource 3 are configured as the transmission resources of terminal 1, and terminal 1 uses these available transmission resources to terminal 2 and/or Terminal 3 sends multicast information, so terminal 2 and/or terminal 3 can receive the sidelink information sent by terminal 1 on these common resources.
  • the terminal 1 may send side link information to the terminal 2 and/or the terminal 3 on the RX Resource 0.
  • the terminal 1 may send the sidelink information to the terminal 2 and/or the terminal 3 on the resource corresponding to the RX Resource 1 pool.
  • terminal 1 may send resources corresponding to RX Resource 0 and/or RX Resource 1 to terminal 2 and/or Or terminal 3 sends sidelink information.
  • the terminal 1 may send the resources corresponding to the RX Resource 2 and/or RX Resource 3 to the terminal 2 And/or terminal 3 sends sidelink information, etc.
  • Method 2 The head terminal configures the common resources of all terminals in the terminal group to terminal 1 through the first configuration information.
  • all terminals in the terminal group include terminal 1, terminal 2, and terminal 3. Therefore, the common resources are the common resources of terminal 1, terminal 2, and terminal 3, which correspond to RX Resource 0 and RX Resource 1 Resources.
  • the head terminal configures the resources corresponding to RX Resource 0 and RX Resource 1 to terminal 1 through the first configuration information, so that terminal 1 can send sidelink information to terminal 2 and/or terminal 3 on these common resources. And terminal 2 and/or terminal 3 can receive the sidelink information sent by terminal 1 on these common resources.
  • the resources corresponding to RX Resource 0 and/or RX Resource 1 are configured as the transmission resources of the terminal 1, and the terminal 1 sends the sidelink information to the terminal 2 and/or the terminal 3 on these transmission resources, so the terminal 2 and/or terminal 3 may receive the sidelink information sent by terminal 1 on these common resources.
  • terminal 1 may send the sidelink information to terminal 2 and/or terminal 3 on the resource corresponding to RX Resource 0.
  • the terminal 1 may send the sidelink information to the terminal 2 and/or the terminal 3 on the resource corresponding to the RX Resource 1 pool.
  • terminal 1 may send the resources corresponding to RX Resource 0 and/or RX Resource 1 to terminal 2 and /Or terminal 3 sends sidelink information.
  • step 203 may specifically be implemented by the following method:
  • Step A The access network device/network management system sends the group information of the terminal group to the head terminal.
  • Step B The head terminal determines the above-mentioned common resources according to the group information, that is, determines the common resources of the resource pools of N terminals or side-link BWP resources in the terminal group.
  • the group information sent by the access network device/network management system to the head terminal includes at least one of the following information: the terminal identifier of the terminal in the terminal group, the terminal status of the terminal in the terminal group, and the terminal group’s Group ID, public resources.
  • the head terminal may The above-mentioned common resources are determined by the terminal identifier of the terminal and/or the terminal status of the terminals in the terminal group, and the sidelink resources of the terminals in the terminal group.
  • the terminals in the terminal group may report their respective side link resources to the head terminal in advance, or the access network device/network management system may send the side link resources of each terminal in the terminal group to the head terminal in advance.
  • the terminal side link resource may be simply referred to as the terminal resource.
  • the resources of the terminal may refer to side link resources configured by the terminal, or activated side link resources, or available side link resources.
  • the head terminal may determine the above-mentioned common resources according to the group information.
  • step 201a and step 201b are further included before step 203.
  • step 202a and step 202b are further included before step 203.
  • Step 201a The access network device/network management system sends second configuration information to the first terminal.
  • the second configuration information may be at least one of pre-configuration information, system information, RRC public information, and RRC dedicated information.
  • the first terminal determines the resource pool and/or the sidelink BWP resource of the first terminal according to the second configuration information.
  • the resource pool includes the sending resource pool and/or the receiving resource pool
  • the sidelink BWP resource includes the sidelink sending resource and/or Or sidelink receive resources.
  • the second configuration information is used to configure resources for the first terminal.
  • the resources configured by the second configuration information include RX Resource 0 and RX Resource 1.
  • the resources configured by the second configuration information include RX, Resource 0, RX, Resource 1, 1, RX, Resource 2, and RX, Resource 3.
  • the resources configured by the second configuration information include RX, Resource 0, RX, Resource 1, 1, RX, Resource 2, RX, Resource 3, RX, Resource 4, and RX, Resource 5.
  • Step 201b The first terminal sends third configuration information to the head terminal.
  • the third configuration information is used by the head terminal to determine the resource pool and/or the side link BWP of the first terminal.
  • the third configuration information may be the foregoing second configuration information, or may be part of the second configuration information, or other information.
  • the first terminal configures the second configuration information to its own resources and informs the head terminal through the third configuration information.
  • the first terminal may also send the third configuration information to terminals other than the first terminal and the head terminal in the terminal group. It can be understood that the first terminal configures the second configuration information to its own resources, and informs the terminals in the terminal group except the first terminal and the head terminal through the third configuration information.
  • Step 202a The head terminal sends second configuration information to the first terminal.
  • the first terminal determines the resource pool and/or the sidelink BWP resource of the first terminal according to the second configuration information.
  • the resource pool includes the sending resource pool and/or the receiving resource pool
  • the sidelink BWP resource includes the sidelink sending resource and/or Or sidelink receive resources.
  • the second configuration information is used to configure resources for the first terminal.
  • the resources configured by the second configuration information include RX Resource 0 and RX Resource 1.
  • the resources configured by the second configuration information include RX, Resource 0, RX, Resource 1, 1, RX, Resource 2, and RX, Resource 3.
  • the resources configured by the second configuration information include RX, Resource 0, RX, Resource 1, 1, RX, Resource 2, RX, Resource 3, RX, Resource 4, and RX, Resource 5.
  • Step 201b The first terminal sends fourth configuration information to the access network device/network management system, where the fourth configuration information is used by the access network device/network management system to determine the resource pool and/or the sidelink BWP of the first terminal.
  • the fourth configuration information may be the foregoing second configuration information, or may be part of the second configuration information, or other information.
  • the first terminal configures the second configuration information to its own resources, and informs the access network device/network management system through the fourth configuration information.
  • the first terminal may also send the fourth configuration information to terminals other than the first terminal and the head terminal in the terminal group. It can be understood that the first terminal configures the second configuration information to its own resources, and informs the terminals in the terminal group except the first terminal and the head terminal through the fourth configuration information.
  • the first terminal may also send at least one of the following information to the head terminal in the terminal group and/or the terminals other than the first terminal and the head terminal in the terminal group:
  • the terminal identifier of the first terminal the terminal status of the first terminal, the terminal capabilities of the first terminal, and the radio frequency position information of the first terminal.
  • the terminal identifier in the present application may include at least one of a wireless network temporary identifier, a layer 2 identifier, a sidelink target identifier, and a sidelink source identifier.
  • the temporary identifier of the wireless network may be an identity identifier used to identify the terminal, and the value may be 0 to 65535.
  • the layer 2 identifier may refer to an identity identifier used by a higher layer to identify the terminal, such as a medium access control (medium access control (MAC) layer identifier).
  • MAC medium access control
  • the side link target identification may refer to the terminal identification of the receiving side of the side link communication. For example, the identification corresponding to the terminal of the receiving target of the sidelink signal.
  • the sidelink source identification may refer to the terminal identification of the sending side of the sidelink communication.
  • the identification of the terminal corresponding to the source of the transmission of the sidelink signal may refer to the terminal identification of the sending side of the sidelink communication.
  • the terminal state in this application may include at least one of in-coverage, out-of-coverage, connected state, idle state, and inactive state.
  • the coverage can refer to the coverage of the access network equipment.
  • the power of the received signal is greater than (greater than or equal to) a certain threshold, such as -3dB, etc., where dB is a dimensionless unit, which means The amplitude difference between the two signals, for example, dB is the unit of power gain and represents a relative value.
  • the terminal within the coverage may be a terminal that receives the system message of the access network device, or may be a terminal that receives the RRC message of the access network device.
  • it may be a terminal in an idle state, a terminal in a connected state, or a terminal in an inactive state.
  • the inactive state may also be referred to as the third state.
  • a terminal in an idle state or an inactive state may be a terminal that receives a system message of an access network device.
  • the terminal in the connected state may be a terminal having an RRC link with the access network device, and the terminal may receive the RRC message of the access network device.
  • out-of-coverage may refer to not being within the coverage of the access network device.
  • the received signal power may be less than (less than or equal to) a certain threshold, such as -3dB.
  • the terminal outside the coverage may be a terminal in an idle state, or may be a terminal in an inactive state.
  • the sidelink resource of the terminal outside the coverage may be the sidelink resource configured by the preconfiguration information.
  • the BWP of the terminal outside the coverage is a pre-configured BWP. That is, the working BWP of the terminal outside the coverage is a pre-configured BWP.
  • the terminal in the coverage and in the idle or inactive state cannot receive RRC dedicated signaling sent by the access network device, so the sidelink resources of the terminal in the coverage and in the idle or inactive state may be Sidelink resources configured through pre-configuration information and/or sidelink resources configured through system information.
  • the BWP of the terminal in the coverage and in the idle state or inactive state is a pre-configured BWP and/or a system common BWP. That is, the working BWP of the terminal outside the coverage is a pre-configured BWP and/or a system common BWP.
  • the terminal in the coverage and connected state can receive the system information sent by the access network device or the RRC dedicated signaling sent by the access network device, so the terminal in the coverage and connected state
  • the side link resources may be side link resources configured through pre-configuration information and/or side link resources configured through system information and/or side link resources configured through RRC dedicated signaling.
  • the BWP of the terminal in the coverage and connected state is a pre-configured BWP and/or a system public BWP and/or a dedicated BWP. That is, the working BWP of the terminal outside the coverage is a pre-configured BWP and/or a system common BWP and/or a dedicated BWP.
  • the access network device or the head terminal may determine the BWP of the first terminal according to the terminal status sent by the first terminal, and then determine the available side link resources of the first terminal.
  • the terminal capabilities in this application may include bandwidth capabilities and/or radio frequency capabilities.
  • the bandwidth capability may be at least one of radio frequency bandwidth capability, channel bandwidth capability, and maximum channel bandwidth capability that the terminal can support.
  • the radio frequency capability may also be a radio frequency capability for sending, and/or a radio frequency capability for receiving, and/or a radio frequency capability of the terminal (both sending and receiving are applicable).
  • the radio frequency capability may also be the radio frequency bandwidth capability, and/or the location of the radio frequency center point.
  • the bandwidth capability has a corresponding relationship with the location and/or resources of BWP.
  • the resource bandwidth of BWP can be equal to the bandwidth capacity.
  • the bandwidth of the BWP resource is 20M.
  • the position of the BWP may be at the center of the carrier bandwidth, or the starting RB position of the BWP is the lowest RB number of the carrier bandwidth, and so on.
  • the correspondence between the bandwidth capability and the location and/or resources of the BWP may be predefined by the protocol, or may be notified by the access network device/network management system to the terminal through signaling, or obtained through other means. Specifically, this application does not limit this.
  • the access network device or the head terminal may determine the BWP of the first terminal according to the terminal capabilities sent by the first terminal, and then determine the available side link resources of the first terminal.
  • this application provides yet another method for configuring sidelink resources. As shown in FIG. 4, the method includes the following steps:
  • Step 403 The access network device/network management system determines the first configuration information.
  • Step 404 the access network device/network management system sends the first configuration information of the sidelink resource to the first terminal.
  • the sidelink resource configured by the first configuration information includes a resource pool or sidebar of N terminals in a terminal group
  • the common resource of the link BWP resource, the terminal group includes the first terminal, and N is a positive integer.
  • the common resource here may be a common resource in the frequency domain.
  • the common resource may refer to a common receiving resource and/or a common sending resource.
  • the N terminals may include the first terminal, or may not include the first terminal.
  • the N terminals here are all terminals except the first terminal in the terminal group. For example, there are 20 terminals in the terminal group, respectively numbered 1 to 20. If the first terminal is terminal 1, the N terminals here refer to terminal 2 to terminal 20, where terminal 1 to terminal 20 may include Head terminal. Based on this implementation, the head terminal sends the public resources of these 19 terminal resource pools or side-link BWP resources to terminal 1, that is, the public resources here are the resources included in these 19 terminals.
  • the N terminals here are all terminals in the terminal group. For example, there are 20 terminals in the terminal group, numbered 1 to 20 respectively. If the first terminal is terminal 1, the N terminals here refer to terminal 1 to terminal 20, where terminal 1 to terminal 20 may include Head terminal. Based on this implementation, the head terminal sends the resource resources of these 20 terminals or the common resources of the side-link BWP resources to terminal 1, that is, the common resources here are the resources included in these 20 terminals.
  • the access network device/network management system may send the first configuration information to the first terminal through at least one of system information, or RRC public information, or RRC dedicated information.
  • the access network device/network management system may indicate the identifier of the resource pool included in the public resource through the first configuration information, such as Resource Pool 0, Resource Pool 1, and so on.
  • the access network device/network management system may indicate the location of the BWP (such as the starting location + bandwidth) in the public resource through the first configuration information.
  • the specific indication method of the first configuration information in FIG. 3 may be similar to the method in FIG. 2(c), and specific details are not described herein again.
  • Step 405 The first terminal performs side link communication with the terminals in the terminal group on the side link resources configured by the first configuration information.
  • the first terminal may perform sidelink communication with the terminals in the terminal group on the sidelink resources configured by the first configuration information. That is, the first terminal may send sidelink information to the terminals in the terminal group.
  • the first terminal may determine the currently available sidelink resources from the sidelink resources configured by the first configuration information, and perform sidelink communication with the terminals in the terminal group.
  • the first terminal when the first terminal is a sending-side terminal and other terminals in the terminal group are receiving-side terminals, that is, when the first terminal sends sidelink information to the terminals in the terminal group, the first terminal may The currently available sidelink transmission resources are determined from the sidelink resources configured by the configuration information, and sidelink communication is performed with the terminals in the terminal group on the sidelink transmission resources.
  • the side link communication may be unicast communication and/or multicast communication.
  • the first terminal performs side-link communication with the terminals in the terminal group on the common resources of N terminals in the terminal group, thereby achieving communication between different terminals in the terminal group.
  • the terminals in the terminal group are notified of the common resources through the access network equipment/network management system, the requirements under the base station scheduling mode can be better met, and the access network equipment can reasonably coordinate resources to achieve full utilization of resources To improve transmission performance.
  • the access network device/network management system sends the first configuration information to the terminals in the terminal group.
  • step 403 may specifically be implemented by the following method:
  • Step A The head terminal sends the group information of the terminal group to the access network device/network management system.
  • Step B The access network device/network management system determines the above-mentioned common resources according to the group information, that is, the resource resources of the N terminals in the terminal group or the common resources of the side-link BWP resources.
  • the group information sent by the head terminal to the access network device/network management system includes at least one of the following information: the terminal identification of the terminal in the terminal group, the terminal status of the terminal in the terminal group, and the terminal group’s Group ID, public resources.
  • the access network device/network management system may The above-mentioned common resources are determined by the terminal identification of the terminals in the terminal group and/or the terminal status of the terminals in the terminal group, and the sidelink resources of the terminals in the terminal group.
  • the terminals in the terminal group may report their side link resources to the access network device/network management system in advance, or the head terminal may send the side link resources of each terminal in the terminal group to the access network in advance Equipment/network management system. Or it is configured by the access network equipment/network management system.
  • the terminal side link resource may be simply referred to as the terminal resource.
  • the resources of the terminal may refer to side link resources configured by the terminal, or activated side link resources, or available side link resources.
  • the access network device/network management system may determine the above-mentioned public resources according to the group information.
  • step 401a and step 401b are further included before step 403. Or, before step 403, step 402a and step 402b are further included.
  • the first terminal may also send at least one of the following information to the head terminal in the terminal group and/or the terminals in the terminal group except the first terminal and the head terminal:
  • the terminal identifier of the first terminal the terminal status of the first terminal, the terminal capabilities of the first terminal, and the radio frequency position information of the first terminal.
  • this application provides yet another method for configuring sidelink resources, which can be used for unicast communication between two terminals.
  • the method includes: a first terminal receives first configuration information of a side link resource, and the side link resource configured by the first configuration information includes a resource pool or a side link BWP resource of a third terminal; Performing sidelink communication with the third terminal on the sidelink resource configured by the first configuration information.
  • the third terminal is a terminal that can communicate with the first terminal other than the first terminal.
  • the resource pool of the third terminal may refer to a receiving resource pool and/or a sending resource pool.
  • the first terminal may determine the currently available sidelink resources from the sidelink resources configured by the first configuration information, and perform sidelink communication with the third terminal.
  • the first terminal when the first terminal is a sending-side terminal and the third terminal is a receiving-side terminal, that is, when the first terminal sends sidelink information to the third terminal, the first terminal may configure the sidelink from the first configuration information
  • the currently available sidelink transmission resources are determined from the resources, and sidelink communication is performed with the third terminal on the sidelink transmission resources.
  • side link communication between two terminals can be achieved. It should be noted that this embodiment can be used for communication between two terminals in a terminal group, or for communication between two terminals that do not belong to the same terminal group.
  • the first terminal may receive the first configuration information from the access network device/network management system.
  • the first terminal may receive the first configuration information from the head terminal.
  • the first terminal may receive the first configuration information from the third terminal.
  • the first terminal may also receive second configuration information from the access network device/network management system/head terminal, where the second configuration is used by the first terminal to determine the resource of the first terminal according to the second configuration information A pool and/or a sidelink BWP resource, the resource pool includes a transmission resource pool and/or a reception resource pool, and the sidelink BWP resource includes a sidelink transmission resource and/or a sidelink reception resource.
  • this application provides yet another side link communication method, which can be used for multicast communication between a group of terminals.
  • the communication method of the side link may be a process including joining and/or leaving a group.
  • the process of joining the group may be that the terminal sends the access network device and/or the head terminal information of applying for joining the group.
  • the information may include at least one of terminal identification, terminal status, terminal capability, radio frequency location, terminal side link configuration information, third configuration information, and fourth configuration information.
  • the information includes at least one of the following: the available sidelink resources of the terminal, the radio frequency capability of the terminal, the radio frequency capability of the terminal, the radio frequency capability of the terminal (both for sending and receiving), and the bandwidth capability of the terminal.
  • the access network device and/or the head terminal may feed back information to the terminal whether the group has been successfully joined.
  • the feedback information may carry the group identification and/or the first configuration information.
  • the first terminal can confirm that the application for joining the group is successful, and perform sidelink communication with other terminals in the group on the available resources of the group.
  • the process of leaving the group may be that the terminal sends information to the access network device and/or the head terminal to apply for leaving the group. After receiving the information of the terminal's application for leaving the group, the access network device and/or the head terminal may feed back information to the terminal whether or not to successfully leave the group.
  • the second configuration information in this application is sent by the access network device and/or the second terminal to the first terminal, and is used by the first terminal to determine the resource pool and/or side link of the first terminal BWP.
  • the third configuration information is sent by the first terminal to the second terminal, and is used by the second terminal to determine the resource pool and/or the side link BWP of the first terminal.
  • the fourth configuration information is sent by the first terminal to the access network device, and is used by the access network device to determine the resource pool and/or the side link BWP of the first terminal.
  • the parameters included in the first configuration information, the second configuration information, the third configuration information, and the fourth configuration information may be the same or different.
  • it may include at least one of the following parameters: subcarrier interval, CP type, BWP starting position, BWP bandwidth, waveform, uplink and downlink configuration of frame structure, resource pool index, resource pool starting position, resource pool Bandwidth.
  • the solution in this application may be applicable to a base station scheduling mode, a terminal autonomous selection mode, or other side link scheduling or resource determination modes. Specifically, this application does not limit this.
  • the access network device may indicate the resources used for the side-link communication of the transmitting side terminal in the common resources in the DCI.
  • the terminal determines the common resources in the above manner, the access network device can determine the available sidelink resources of the terminal according to the common resources, and the further access network device can instruct the sending side terminal to locate the resources when performing sidelink transmission in the DCI Resource pool and the resources for sidelink transmission in the resource pool; or DCI can indicate the resources for sidelink transmission in the resource pool, that is, there is no need to instruct the sending terminal to locate the resources when the sidelink transmission is located Resource pool.
  • the terminal can transmit the sidelink signal according to the DCI instruction.
  • the sending-side terminal can perceive the resources in the common resources and then determine the resources for side-link communication.
  • the terminal determines the common resource in the above manner, and the side link transmission resource is determined among the common resources.
  • the common resource may include one or more resource pools, and the terminal may perceive in the determined resource pool whether other terminals occupy the resources of the resource pool. If no terminal occupies the resources, the sending-side terminal may The resources are used to transmit sidelink signals.
  • any of the above-mentioned embodiments in this application can be used as independent embodiments or can be combined with each other. Specifically, this application does not limit this.
  • the above-mentioned implementing network elements include hardware structures and/or software modules corresponding to performing each function.
  • the present invention can be implemented in the form of hardware or a combination of hardware and computer software in combination with the exemplary units and algorithm steps described in the embodiments disclosed herein. Whether a function is performed by hardware or computer software driven hardware depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present invention.
  • the device 500 may exist in the form of software or hardware.
  • the apparatus 500 may include a processing unit 502 and a communication unit 503.
  • the communication unit 503 may include a receiving unit and a sending unit.
  • the processing unit 502 is used to control and manage the operation of the device 500.
  • the communication unit 503 is used to support communication between the device 500 and other network entities.
  • the device 500 may further include a storage unit 501 for storing program codes and data of the device 500.
  • the processing unit 502 may be a processor or a controller, such as a general-purpose central processing unit (CPU), a general-purpose processor, digital signal processing (DSP), application-specific integrated circuit (application-specific integrated) circuits, ASIC), field programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logical blocks, modules and circuits described in conjunction with the disclosure of the present invention.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of DSP and microprocessor, and so on.
  • the communication unit 503 may be a communication interface, a transceiver or a transceiver circuit, etc., wherein the communication interface is collectively referred to, and in a specific implementation, the communication interface may include multiple interfaces.
  • the storage unit 501 may be a memory.
  • the device 500 may be the terminal (that is, the first terminal) in any of the foregoing embodiments, or may be a chip that can be used for the terminal.
  • the processing unit may be, for example, a processor
  • the communication unit may be, for example, a transceiver.
  • the transceiver may include a radio frequency circuit
  • the storage unit may be, for example, a memory.
  • the processing unit may be, for example, a processor
  • the communication unit may be, for example, an input/output interface, a pin, or a circuit.
  • the processing unit may execute computer-executed instructions stored in the storage unit.
  • the storage unit is a storage unit within the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage located outside the chip in the terminal Units, such as read-only memory (read-only memory, ROM) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM), etc.
  • the communication unit receives the first configuration information of the sidelink resource, and the sidelink resource configured by the first configuration information includes a resource pool or sidelink of N terminals in a terminal group Common resources of the BWP resources of the bandwidth part, the terminal group includes the first terminal, and N is a positive integer; and, on the sidelink resource configured by the first configuration information, and the The terminal performs side link communication.
  • the N terminals are all terminals in the terminal group except the first terminal, or the N terminals are all terminals in the terminal group .
  • the common resource is a common resource in the frequency domain.
  • the communication unit is configured to receive second configuration information of the side link resource, and the first terminal determines the resource pool and/or the side link BWP of the first terminal according to the second configuration information Resources, the resource pool includes a transmission resource pool and/or a reception resource pool, and the sidelink BWP resources include sidelink transmission resources and/or sidelink reception resources.
  • the communication unit is configured to receive the second configuration information from the access network device.
  • the communication unit is configured to send the first terminal in the terminal group and/or the terminals in the terminal group other than the first terminal and the head terminal Three configuration information, the third configuration information is used for determining the resource pool of the first terminal by the head terminal and/or the terminals other than the first terminal and the head terminal in the terminal group And/or sidelink BWP.
  • the communication unit is configured to receive the second configuration information from the head terminal in the terminal group.
  • the communication unit is configured to send fourth configuration information to terminals in the access network device and/or the terminal group other than the first terminal and the head terminal.
  • the fourth configuration information is used by the access network device and/or terminals other than the first terminal in the terminal group to determine the resource pool and/or the side link BWP of the first terminal.
  • the communication unit is configured to send the following to the head terminal in the terminal group and/or the terminals other than the first terminal and the head terminal in the terminal group as follows
  • At least one item of information: the identifier of the first terminal, the status of the first terminal, the capabilities of the first terminal, the radio frequency position information of the first terminal, and the identifier of the first terminal includes wireless At least one of a temporary network identifier, a layer 2 identifier, and a sidelink target identifier.
  • the state of the first terminal includes at least one of inside coverage, outside coverage, connected state, idle state, and inactive state.
  • the capabilities of the first terminal include at least one of radio frequency bandwidth capabilities and channel bandwidth capabilities.
  • the head terminal is a terminal in the terminal group that manages the terminal group and/or assists in scheduling terminals in the terminal group for side-link communication.
  • the communication unit is configured to receive first configuration information of sidelink resources, and the sidelink resources configured by the first configuration information include a resource pool of a third terminal or a sideband bandwidth part BWP resource And sidelink communication with the third terminal on the sidelink resource configured by the first configuration information.
  • the common resource is a common resource in the frequency domain.
  • the communication unit is configured to receive second configuration information of the side link resource, and the first terminal determines the resource pool and/or the side link of the first terminal according to the second configuration information BWP resources, the resource pool includes a transmission resource pool and/or a reception resource pool, and the sidelink BWP resources include sidelink transmission resources and/or sidelink reception resources.
  • the apparatus 500 may be the first device (such as a head terminal or an access network device/network management system) in any of the foregoing embodiments, or may be a chip that can be used for the first device.
  • the processing unit may be a processor
  • the communication unit may be a transceiver, for example.
  • the transceiver may include a radio frequency circuit
  • the storage unit may be, for example, a memory.
  • the processing unit may be, for example, a processor
  • the communication unit may be, for example, an input/output interface, a pin, or a circuit.
  • the processing unit may execute computer-executed instructions stored in the storage unit.
  • the storage unit is a storage unit within the chip, such as a register, a cache, etc.
  • the storage unit may also be outside the chip within the first device Storage units, such as ROM or other types of static storage devices that can store static information and instructions, RAM, etc.
  • the processing unit is configured to determine first configuration information of sidelink resources, and the sidelink resources configured by the first configuration information include resource pools or sidelinks of N terminals in a terminal group Common resources of the BWP resources of the bandwidth part, the terminal group includes the first terminal, and N is a positive integer.
  • the communication unit is configured to send the first configuration information of the sidelink resource to the first terminal, and the sidelink resource configured by the first configuration information is used for the first terminal and the terminal group The terminal performs side link communication.
  • the N terminals are all terminals in the terminal group except the first terminal, or the N terminals are all terminals in the terminal group terminal.
  • the common resource is a common resource in the frequency domain.
  • the communication unit is configured to receive group information of the terminal group from the second device; the processing unit is configured to determine the common resource according to the group information.
  • the group information includes at least one of the following information: the terminal identification of the terminal in the terminal group, the terminal status of the terminal in the terminal group, the The group identifier of the terminal group and the common resource.
  • the first device is a head terminal and the second device is an access network device; or, the first device is an access network device and the second device is a head terminal Terminals, the terminal group includes the head terminal.
  • the apparatus 500 may be the second device (such as a head terminal or an access network device/network management system) in any of the foregoing embodiments, or may be a chip that can be used for the second device.
  • the processing unit may be a processor
  • the communication unit may be a transceiver, for example.
  • the transceiver may include a radio frequency circuit
  • the storage unit may be, for example, a memory.
  • the processing unit may be, for example, a processor
  • the communication unit may be, for example, an input/output interface, a pin, or a circuit.
  • the processing unit may execute computer-executed instructions stored in the storage unit.
  • the storage unit is a storage unit within the chip, such as a register, a cache, etc.
  • the storage unit may also be located outside the chip in the second device Storage units, such as ROM or other types of static storage devices that can store static information and instructions, RAM, etc.
  • the communication unit is configured to send group information of a terminal group to the first device, and the group information is used by the first device to determine a resource pool of N terminals in the terminal group Or a common resource of BWP resources in the sideband bandwidth, N is a positive integer.
  • the N terminals are all terminals in the terminal group or all terminals in the terminal group except the first terminal, and the common resource is used
  • the first device sends to the first terminal.
  • the common resource is a common resource in the frequency domain.
  • the group information includes at least one of the following information: the terminal identification of the terminal in the terminal group, the terminal status of the terminal in the terminal group, the The group identifier of the terminal group and the common resource.
  • the first device is a head terminal
  • the second device is an access network device
  • the terminal group includes the head terminal
  • the first device is an access terminal A network access device
  • the second device is a head terminal
  • the terminal group includes the head terminal
  • the apparatus may be the above-mentioned head terminal, first terminal, access network device/network management system.
  • the device 600 includes a processor 602, a communication interface 603, and a memory 601.
  • the device 600 may further include a bus 604.
  • the communication interface 603, the processor 602, and the memory 601 may be connected to each other through a communication line 604;
  • the communication line 604 may be a peripheral component interconnection standard (PCI) bus or an extended industry standard architecture (extended industry standard architecture) , Referred to as EISA) bus.
  • PCI peripheral component interconnection standard
  • EISA extended industry standard architecture
  • the communication line 604 can be divided into an address bus, a data bus, and a control bus. For ease of representation, only a thick line is used in FIG. 6, but it does not mean that there is only one bus or one type of bus.
  • the processor 602 may be a CPU, a microprocessor, an ASIC, or one or more integrated circuits for controlling the execution of the program of the present application.
  • Communication interface 603 using any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area network (WLAN), Wired access network, etc.
  • RAN radio access network
  • WLAN wireless local area network
  • Wired access network etc.
  • the memory 601 may be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM), or other types of information and instructions that can be stored
  • the dynamic storage device can also be electrically erasable programmable read-only memory (electrically erasable programmable-read-only memory (EEPROM), read-only compact disc (compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (Including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be used by a computer Access to any other media, but not limited to this.
  • the memory may exist independently and be connected to the processor through the communication line 604. The memory can also be integrated with the processor.
  • the memory 601 is used to store computer execution instructions for executing the solution of the present application, and the processor 602 controls execution.
  • the processor 602 is used to execute computer-executed instructions stored in the memory 601, so as to implement the method for configuring a sidelink resource provided by the foregoing embodiments of the present application.
  • the computer execution instructions in the embodiments of the present application may also be called application program codes, which are not specifically limited in the embodiments of the present application.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server or data center Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more available medium integrated servers, data centers, and the like.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)), or the like.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, a solid state disk (SSD)
  • the various illustrative logic units and circuits described in the embodiments of the present application may be implemented by a general-purpose processor, a digital signal processor, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices. Discrete gate or transistor logic, discrete hardware components, or any combination of the above are designed to implement or operate the described functions.
  • the general-purpose processor may be a microprocessor, and optionally, the general-purpose processor may also be any conventional processor, controller, microcontroller, or state machine.
  • the processor may also be implemented by a combination of computing devices, such as a digital signal processor and a microprocessor, multiple microprocessors, one or more microprocessors combined with a digital signal processor core, or any other similar configuration achieve.
  • the steps of the method or algorithm described in the embodiments of the present application may be directly embedded in hardware, a software unit executed by a processor, or a combination of both.
  • the software unit may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium in the art.
  • the storage medium may be connected to the processor, so that the processor can read information from the storage medium and can write information to the storage medium.
  • the storage medium may also be integrated into the processor.
  • the processor and the storage medium may be provided in the ASIC, and the ASIC may be provided in the terminal.
  • the processor and the storage medium may also be provided in different components in the terminal.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of operating steps are performed on the computer or other programmable device to generate computer-implemented processing, which is executed on the computer or other programmable device
  • the instructions provide steps for implementing the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and/or block diagrams.

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Abstract

本申请提供一种旁链路资源的配置方法及装置。该方法包括：第一终端接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数；所述第一终端在所述第一配置信息配置的旁链路资源上，与所述终端群组内的终端进行旁链路通信。通过通知公共资源，可以实现单播，组播下的旁链路通信，提高传输性能。也可以满足旁链路下各种不同业务的需求，比如实现不同帧结构参数下的传输等。

Description

一种旁链路资源的配置方法及装置
相关申请的交叉引用
本申请要求在2019年01月11日提交中国专利局、申请号为201910027569.X、申请名称为“一种旁链路资源的配置方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种旁链路资源的配置方法及装置。
背景技术
目前，在终端与终端通信的应用中，引入了旁链路(sidelink)资源，即终端与终端之间可以通过旁链路资源进行通信。终端和终端之间的通信，也可以称为旁链路通信。
在新无线(new radio,NR)通信系统中，对于如何实现一个终端群组内的终端之间的旁链路通信，目前还没有给出相应的解决方案。
发明内容
本申请提供一种旁链路资源的配置方法及装置，用以实现终端群组内的终端之间的旁链路通信。
第一方面，本申请提供一种旁链路资源的配置方法，包括：第一终端接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数；所述第一终端在所述第一配置信息配置的旁链路资源上，与所述终端群组内的终端进行旁链路通信。
基于该方案，第一终端在终端群组内的N个终端的公共资源上，与终端群组内的终端进行旁链路通信，实现了终端群组内的不同终端之间的通信。通过通知公共资源，可以实现单播，组播下的旁链路通信，提高传输性能。也可以满足旁链路下各种不同业务的需求，比如实现不同帧结构参数下的传输等。
在一种可能的实现的方法中，所述N个终端为所述终端群组内除所述第一终端之外的所有终端，或者，所述N个终端为所述终端群组内的所有终端。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，所述第一终端接收旁链路资源的第二配置信息，所述第一终端根据所述第二配置信息确定所述第一终端的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
在一种可能的实现的方法中，所述第一终端接收旁链路资源的第二配置信息，所述第 一终端从接入网设备接收所述第二配置信息。
在一种可能的实现的方法中，所述第一终端向所述终端群组内的第二终端和/或所述终端群组内的除所述第一终端和所述第二终端之外的终端发送第三配置信息，所述第三配置信息用于所述第二终端和/或所述终端群组内的除所述第一终端和所述第二终端之外的终端确定所述第一终端的资源池和/或旁链路BWP。
在一种可能的实现的方法中，所述第一终端从所述终端群组内的第二终端接收所述第二配置信息。
在一种可能的实现的方法中，所述第一终端接收旁链路资源的第二配置信息，所述第一终端向接入网设备和/或所述终端群组内的除所述第一终端和所述第二终端之外的终端发送第四配置信息，所述第四配置信息用于所述接入网设备和/或所述终端群组内的除所述第一终端之外的终端确定所述第一终端的资源池和/或旁链路BWP。
在一种可能的实现的方法中，所述第一终端向所述终端群组内的第二终端和/或所述终端群组内的除所述第一终端和所述第二终端之外的终端发送如下信息中的至少一项：所述第一终端的标识，所述第一终端的状态，所述第一终端的能力，所述第一终端的射频位置信息，所述第一终端的标识包括无线网络临时标识、层2标识、旁链路目标标识中的至少一项，所述第一终端的状态包括覆盖内、覆盖外、连接态、空闲态，不活跃态中的至少一项，所述第一终端的能力包括射频带宽能力、信道带宽能力中的至少一项。
在一种可能的实现的方法中，上述第二终端为所述终端群组中用于管理所述终端群组和/或辅助调度所述终端群组中的终端进行旁链路通信的终端。
第二方面，本申请提供一种旁链路资源的配置方法，包括：第一设备确定旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数；所述第一设备向所述第一终端发送所述旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源用于所述第一终端与所述终端群组内的终端进行旁链路通信。
基于该方案，第一设备为第一终端配置终端群组内的N个终端的公共资源，使得第一终端可以在该公共资源上与终端群组内的终端进行旁链路通信，实现了终端群组内的不同终端之间的通信。通过通知公共资源，可以实现单播，组播下的旁链路通信，提高传输性能。也可以满足旁链路下各种不同业务的需求，比如实现不同帧结构参数下的传输等。
在一种可能的实现的方法中，所述N个终端为所述终端群组内除所述第一终端之外的所有终端，或者，所述N个终端为所述终端群组内的所有终端。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，所述第一设备从第二设备接收所述终端群组的群组信息；所述第一设备根据所述群组信息，确定所述公共资源。
在一种可能的实现的方法中，所述群组信息包括如下信息中的至少一项：所述终端群组中的终端的终端标识、所述终端群组中的终端的终端状态、所述终端群组的组标识、所述公共资源。
在一种可能的实现的方法中，所述第一设备为所述终端群组的第二终端，所述第二设备为接入网设备；或者，所述第一设备为接入网设备，所述第二设备为所述终端群组的第二终端。
在一种可能的实现的方法中，上述第二终端为所述终端群组中用于管理所述终端群组和/或辅助调度所述终端群组中的终端进行旁链路通信的终端。
第三方面，本申请提供一种旁链路资源的配置方法，包括：第二设备向第一设备发送一个终端群组的群组信息，所述群组信息用于所述第一设备确定所述终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，N为正整数。
基于该方案，第二设备向第一设备发送一个终端群组的群组信息，使得第一设备可以确定终端群组内的N个终端的公共资源，进而使得终端群组内的终端可以在该公共资源上进行旁链路通信，实现了终端群组内的不同终端之间的通信。
在一种可能的实现的方法中，所述N个终端为所述终端群组内的所有终端或为所述终端群组内的除第一终端之外的所有终端，所述公共资源用于所述第一设备发送至所述第一终端。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，所述群组信息包括如下信息中的至少一项：所述终端群组中的终端的终端标识、所述终端群组中的终端的终端状态、所述终端群组的组标识、所述公共资源。
在一种可能的实现的方法中，所述第一设备为所述终端群组的第二终端，所述第二设备为接入网设备，所述终端群组包括所述头终端。或者，所述第一设备为接入网设备，所述第二设备为所述终端群组的第二终端。
在一种可能的实现的方法中，上述第二终端为所述终端群组中用于管理所述终端群组和/或辅助调度所述终端群组中的终端进行旁链路通信的终端。
第四方面，本申请提供一种旁链路资源的配置方法，包括：第一终端接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括第二终端的资源池或旁链路带宽部分BWP资源；所述第一终端在所述第一配置信息配置的旁链路资源上，与所述第二终端进行旁链路通信。
基于该方案，第一终端可以在第二终端的资源上与第二终端进行旁链路通信，实现了不同终端之间的通信。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，所述第一终端接收旁链路资源的第二配置信息，所述第一终端根据所述第二配置信息确定所述第一终端的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
第五方面，本申请提供一种装置，该装置可以是终端(如第一终端或第二终端)、接入网设备，也可以是芯片。该装置具有实现上述任一方面或任一方面的任一实现方式的旁链路资源的配置方法的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
第六方面，提供了一种装置，包括：处理器和存储器；该存储器用于存储计算机执行指令，当该装置运行时，该处理器执行该存储器存储的该计算机执行指令，以使该装置执行上述任一方面或任一方面的任一实现方式的旁链路资源的配置方法。
第七方面，本申请还提供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行上述任一方面或任一方面的任一实现方式的旁链路资源的配置方法。
第八方面，本申请还提供一种包括指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述任一方面或任一方面的任一实现方式的旁链路资源的配置方法。
第九方面，本申请还提供一种系统，该系统包括上述第一方面或第一方面的任一实现方式中的第一终端，和，上述第二方面或第二方面的任一实现方式中的第一设备。
在一种可能的实现的方法中，所述系统还包括上述第三方面或第三方面的任一实现方式中的第二设备。
附图说明
图1为本申请提供的一种可能的网络架构示意图；
图2(a)为本申请提供的SL的基站调度模式；
图2(b)为本申请提供的SL的UE自主选择模式；
图2(c)为本申请提供的一种旁链路资源的配置方法流程图；
图3为本申请提供的终端资源示意图；
图4为本申请提供的一种旁链路资源的配置方法流程图；
图5为本申请提供的一种装置示意图；
图6为本申请提供的又一种装置示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。方法实施例中的具体操作方法也可以应用于装置实施例或系统实施例中。其中，在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。本申请描述的架构以及业务场景是为了更加清楚的说明本申请的技术方案，并不构成对于本申请提供的技术方案的限定，随着网络架构的演变和新业务场景的出现，本申请提供的技术方案对于类似的技术问题，同样适用。
如图1所示，为本申请所适用的一种可能的网络架构示意图，包括终端群组10和接入网设备20。可选的，该网络架构还包括网管系统30，其中终端群组10中包括两个或两个以上的终端，且不同的终端之间可以进行通信，比如一个终端向另一个终端或多个终端发送控制信息和/或数据，则该另一个终端或多个终端可以接收控制信息和/或数据。可选的，终端群组10中可以存在至少一个头(header)终端(或称为头设备，头用户设备(user equipment,UE)，leader UE等)，头终端除了具有普通终端的通信功能以外，还可管理终端群组和/或辅助调度终端群组中的终端进行旁链路通信。终端通过有线接口或无线接口与接入网设备20通信。终端通过有线接口或无线接口与网管系统30通信，比如在一种实现方式中，终端与网管系统30之间可以通过接入网设备20进行通信。在具体实现中，该网管系统30可以是运营商的网管系统。
本申请中，将终端群组内的除头终端之外的任一终端称为第一终端。
本申请中的终端群组内的头终端也可以称为第二终端，为方便说明后续均称为头终端， 即后续出现的头终端均可以替换为第二终端，这里做统一说明，后续不再赘述。
终端是一种具有无线收发功能的设备，终端可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等)。所述终端可以是手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端、增强现实(augmented reality，AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端，以及还可以包括用户设备(user equipment，UE)等。终端还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来第五代(the 5th generation，5G)网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的终端设备等。终端有时也可以称为终端设备、UE、接入终端设备、车载终端、工业控制终端、UE单元、UE站、移动站、移动台、远方站、远程终端设备、移动设备、UE终端设备、终端设备、无线通信设备、UE代理或UE装置等。终端也可以是固定的或者移动的。本申请实施例对此并不限定。
接入网设备，也可以称为无线接入网(radio access network，RAN)设备，是一种为终端提供无线通信功能的设备。接入网设备例如包括但不限于：5G中的下一代基站(g nodeB，gNB)、演进型节点B(evolved node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved nodeB，或home node B，HNB)、基带单元(baseBand unit，BBU)、传输点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)、移动交换中心等。接入网设备还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器、集中单元(centralized unit，CU)，和/或分布单元(distributed unit,DU)，或者该网络设备可以为中继站、接入点、车载设备、终端设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等。终端可以与不同技术的多个接入网设备进行通信，例如，终端可以与支持长期演进(long term evolution，LTE)网络的接入网设备通信，也可以与支持5G网络的接入网设备通信，还可以支持与LTE网络的接入网设备以及5G网络的接入网设备的双连接。本申请实施例并不限定。
本申请对于同构网络与异构网络的场景均适用，同时对于传输点也无限制，可以是宏基站与宏基站、微基站与微基站，和，宏基站与微基站间的多点协同传输。申请既适用于低频场景(sub 6G)，也适用于高频场景(6G以上)。
接入网设备和终端可以通过空口资源进行数据传输。空口资源可以包括时域资源和频域资源，时域资源和频域资源还可以称为时频资源。频域资源可以位于频率范围中，频率范围还可以称为频带(band)或频段，频域资源的宽度可以称为频域资源的带宽(bandwidth，BW)。需要指出的是，本申请中涉及的名词“传输”可以包括信息的发送和/或接收，比如数据和/或控制信息的发送和/或接收。
下面对本申请中所使用到的一些通信名词或术语进行解释说明，该通信名词或术语也 作为本申请发明内容的一部分。
一、旁链路(sidelink)
旁链路用于终端和终端之间的通信，可以包括物理旁链路共享信道(Physical Sidelink Shared Channel,PSSCH)和物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)。其中，PSSCH可以用于传输数据，PSCCH可以用于传输控制信息(比如调度分配(Scheduling assignment，SA)信息)。
可选的，旁链路也可以称为边链路。
可选的，旁链路的通信还可以包括物理旁链路上行控制信道(physical sidelink uplink control channel，PSUCCH)。物理旁链路上行控制信道也可以简称为旁链路上行控制信道。物理旁链路上行控制信道也可以称为物理旁链路反馈信道(physical sidelink feedback channel，PSFCH)。物理旁链路反馈信道也可以简称为旁链路反馈信道。其中，旁链路上行控制信道或旁链路反馈信道可以用于传输旁链路反馈控制信息(sidelink feedback control information，SFCI)。旁链路反馈控制信息也可以简称为旁链路反馈信息，也可以称为旁链路上行控制信息(sidelink uplink control information，SL UCI)。其中，旁链路上行控制信道可以用于传输信道状态信息(channel state information，CSI)，混合自动重传请求(hybrid automatic repeat request，HARQ)信息等中的至少一个信息。其中，HARQ信息可以包括确认信息(acknowledgement，ACK)或否定性确认(negtive acknowledgement，NACK)。
二、BWP
在无线通信系统中，带宽部分可以是一段连续的频域资源。带宽部分也可以称为载波带宽部分(载波BWP)。载波BWP的配置可以包括该载波带宽部分的频率起始资源块(resource block，RB)、带宽(bandwidth，BW)和对应的帧结构参数(numerology)等。其中，所述带宽可以是指该载波带宽部分包括的RB数。终端最多可以被配置的BWP个数有一定限制，例如终端在一个服务小区最多可以被配置4个BWP。终端可以被同时激活的BWP个数也有一定限制，例如终端可以被同时激活的BWP个数为1个。终端在激活的BWP上进行数据的收发。
可选的，BWP资源可以包括旁链路(sidelink)BWP资源和Uu空口(Uu空口可以理解为通用的UE网络接口(universal UE to network interface))的BWP资源。其中，sidelink BWP资源用于终端与终端之间的通信，Uu空口的BWP资源用于终端与接入网设备之间的通信。这里的Uu空口的BWP也可以简称为Uu BWP。
帧结构参数(numerology)，可包括子载波间隔和/或循环前缀(cyclic prefix，CP)类型等。CP类型也可以称为CP长度，或简称为CP。所述CP类型可为扩展CP，或者为正常(普通)CP。扩展CP下一个时隙可包括12个时域符号，正常CP下一个时隙可包括14个时域符号。时域符号可以简称为符号。时域符号可以是正交频分复用(orthogonal frequency division multiplexing，OFDM)符号，也可以是基于离散傅立叶变换扩展的正交频分复用(discrete fourier transform spread orthogonal frequency division multiplexing，DFT-s-OFDM)符号，本申请实施例中可以以时域符号是OFDM符号为例进行说明。
如表1所示，在NR系统中，可以支持5种帧结构参数，编号分别为0至4。编号0所对应的帧结构参数为：子载波间隔为15kHz，CP为正常CP，编号1所对应的帧结构参数为：子载波间隔为30kHz，CP为正常CP，编号为2的帧结构参数为：子载波间隔为60kHz，CP为正常CP或扩展CP，编号为3的帧结构参数为：子载波间隔为120kHz，CP为正常 CP，编号为4的帧结构参数为：子载波间隔为240kHz，CP为正常CP。
表1支持的帧结构参数(numerologies)
Figure PCTCN2020071530-appb-000001
针对不同的子载波间隔可以有不同的时隙长度。比如子载波间隔为15kHz时，一个时隙可以为1毫秒(ms)；子载波间隔为30kHz时，一个时隙可以为0.5ms。一个时隙可以包括一个或多个符号。比如正常CP下一个时隙可以包括14个符号，扩展CP下一个时隙可以包括12个符号。微时隙,又称为迷你时隙，可以是比时隙更小的单位，一个微时隙可以包括一个或多个符号。比如一个微时隙可以包括2个符号，4个符号或7个符号等。一个时隙可以包括一个或多个微时隙。
以15kHz的子载波间隔为例，1个无线帧可持续10ms，每个子帧可持续1ms，1个无线帧包括10个子帧，每个时隙持续1ms，每个子帧可包括1个时隙，每个时隙可包括14个符号。进一步的，微时隙可包括4个符号、2个符号或7个符号等。
不同帧结构参数下的时隙特征如表2所示。其中，
Figure PCTCN2020071530-appb-000002
表示一个slot中包括的符号的个数，且时隙中的符号编号(或称为索引)为
Figure PCTCN2020071530-appb-000003
比如正常CP下可以是14个符号，扩展CP下可以是12个符号。一个无线帧可以是10ms，一个无线帧可以包括10个子帧，一个子帧为1ms。
Figure PCTCN2020071530-appb-000004
表示在帧结构参数μ下，一个无线帧包括的时隙的个数，且一个无线帧中的时隙编号(或称为索引)
Figure PCTCN2020071530-appb-000005
为
Figure PCTCN2020071530-appb-000006
Figure PCTCN2020071530-appb-000007
表示在帧结构参数μ下，一个子帧包括的时隙的个数，且一个子帧中的时隙编号
Figure PCTCN2020071530-appb-000008
即为
Figure PCTCN2020071530-appb-000009
表2正常CP下的帧结构参数下的时隙特征
Figure PCTCN2020071530-appb-000010
三、旁链路资源
旁链路资源是用于终端和终端之间的通信的资源。旁链路资源可以包括频域的旁链路资源和时域的旁链路资源。本申请主要讨论的是频域的旁链路资源，后续出现的旁链路资 源可以均指频域的旁链路资源，这里做统一说明。
从传输类型角度，旁链路资源可以包括旁链路发送资源和旁链路接收资源。其中，旁链路发送资源用于发送信息，如发送控制信息和/或数据。旁链路接收资源用于接收信息，如接收控制信息和/或数据。
可选的，旁链路信号可以包括承载于旁链路信道上的控制信息和/或数据和/或反馈信息。
可选的，控制信息可以是用于调度数据的信息，比如现有技术中的下行控制信息(Downlink control information，DCI),旁链路控制信息(sidelink control information，SCI)。反馈信息可以是指反馈的信息，比如现有技术中的上行控制信息(Uplink control information，UCI)，旁链路反馈信息(SFCI)等。控制信息可以通过控制信道承载，比如PSCCH，物理旁链路控制信道。反馈信息可以通过反馈信道承载，比如PSFCH，物理旁链路反馈信道或物理旁链路上行控制信道(physical sidelink uplink control channel，PSUCCH)。
可选的，数据可以是指广义的信号，也可以是指数据包，还可以是传输块或码字。数据可以通过数据信道承载，比如PSSCH，物理旁链路共享信道等。
从资源分配类型角度，旁链路资源可以包括旁链路BWP资源和/或旁链路资源池。可选的，一个旁链路资源池可以是一个旁链路BWP资源中的部分或全部资源。
可选的，资源池和旁链路BWP资源的关系可以是一个资源池关联一个BWP资源。
可选的，一个资源池的频域资源可以是位于一个旁链路BWP的频域资源中，一个资源池的频域资源不会跨两个旁链路BWP的频域资源。
可选的，一个旁链路BWP资源中可以包括一个或多个旁链路资源池。
可选的，将上述两种资源的分类方式相结合，则上述旁链路BWP资源可以包括旁链路发送BWP资源和旁链路接收BWP资源。旁链路资源池可以包括旁链路发送资源池(sidelink transmission resource pool)和旁链路接收资源池(sidelink receiving resource pool)。
可选的，旁链路发送BWP资源和旁链路接收BWP资源可以统称为旁链路BWP资源。
可选的，旁链路资源池中可以包括两部分资源，一部分是调度分配(Scheduling assignment，SA)资源，该资源中用于传输调度信息，另一部分是数据(data)资源，该资源中用于传输数据。因此，旁链路发送资源池可以包括调度分配资源和数据资源，旁链路接收资源池也可以包括调度分配资源和数据资源。
可选的，旁链路BWP资源中可以包括旁链路发送资源池和/或旁链路接收资源池。
可选的，旁链路发送BWP资源中可以包括旁链路发送资源池。
可选的，旁链路接收BWP资源中可以包括旁链路接收资源池。
四、终端的旁链路资源的配置方式
方式一，预配置
比如由运营商为终端预先配置旁链路资源或者在标准协议中通过预定义的方式为终端预配置旁链路资源。
通过预配置的配置方式，可以为一个或多个终端配置旁链路资源，在具体实现中，可以由运营商的网管系统向各个终端分别发送预配置信息，该预配置信息用于为各个终端分别配置旁链路资源。由于预配置信息是发给多个终端的，因此预配置信息配置的旁链路资源可以用于终端之间的广播传输，比如终端1可以使用预配置信息配置的旁链路资源广播数据和/或控制信息，则其它终端，如终端2可以在该旁链路资源上接收数据和/或控制信 息。当然，实际应用中，预配置信息配置的旁链路资源还可以用于组播传输和/或用于单播传输，本申请不做限定。
可选的，本申请中，广播传输可以称为广播sidelink信号通信，也可以称为，广播业务的sidelink通信，或者传输类型为广播的sidelink的通信。
可选的，本申请中，组播传输可以称为组播sidelink信号通信，也可以称为，组播业务的sidelink通信，或者传输类型为组播的sidelink的通信。
可选的，本申请中，单播通信可以称为单播sidelink信号通信，也可以称为，单播业务的sidelink通信，或者传输类型为单播的sidelink的通信。
具体的，比如运营商运营的网管系统可以通过预配置信令为终端设备配置旁链路BWP，该旁链路BWP可以称为预配置旁链路BWP。所述公共BWP可以包括预配置旁链路BWP。可选的，预配置旁链路BWP也可以简称为预配置BWP。
比如，网管系统可以在终端的SIM或USIM中写入预配置信令，终端可以通过读取SIM卡中的预配置信令获取预配置旁链路BWP的配置信息，进而确定预配置旁链路BWP。或者，网管系统也可以向终端的移动设备(mobile equipment，ME)发送预配置信令，终端可以通过预配置信令确定预配置旁链路BWP。
可选的，在预配置BWP中配置的发送资源池和/或接收资源池，可以称为预配置资源池。预配置资源池可以包括预配置发送资源池和/或预配置接收资源池。
其中，SIM(subscriber identification module)可以是用户识别卡，也称为用户身份识别卡、智能卡等。USIM可以是全球用户识别卡(universal subscriber identity module)的缩写，也可以叫做升级SIM。
可选的，所述一个或多个终端可以是指该运营商服务下的终端。
可选的，所述一个或多个终端可以是指可以接收到运营商预配置信息的一个或多个终端，例如，为由一个小区服务的所有终端。
方式二，系统信息配置或无线资源控制(radio resource control,RRC)公共信息配置
比如由接入网设备向终端发送系统信息或RRC公共信息。系统信息或公共RRC信息可以是小区级的参数。
通过系统信息配置或RRC公共信息的配置的方式，可以为一组终端配置旁链路资源，在具体实现中，可以由接入网设备向一组终端发送系统信息或RRC公共信息，该系统信息或RRC公共信息用于为各个终端配置旁链路资源。由于系统信息或RRC公共信息是发给一组终端的，因此系统信息配置或RRC公共信息配置的旁链路资源可以用于组内的终端之间的组播传输，比如终端1可以使用系统信息配置或RRC公共信息配置的旁链路资源组播数据和/或控制信息，则组内的其它终端，如终端2可以在该旁链路资源上接收数据或控制信息。
具体的，比如接入网设备可以通过系统信息或RRC公共信息为终端配置旁链路BWP，该旁链路BWP可以称为系统公共旁链路BWP。可选的，系统公共旁链路BWP也可以简称为系统公共BWP，或者公共BWP。
可选的，在系统公共BWP中配置的发送资源池和/或接收资源池，可以称为系统公共资源池，或公共资源池。公共资源池可以包括公共发送资源池和/或公共接收资源池。
可选的，所述一组终端可以包括一个或多个终端。
可选的，所述一组终端可以是指可以接收到该系统信息或RRC公共信息的一个或多 个终端。例如，一个小区可以将其服务的终端分为多组，所述一组终端为其中的一组。
当然，实际应用中，系统信息配置或RRC公共信息配置的旁链路资源还可以用于单播传输和/或广播传输，本申请不做限定。
方式三，RRC专用信息配置
比如由接入网设备向终端发送RRC专用信息。RRC专用信息可以是终端级的参数(或称为UE级的参数)，针对该终端进行参数配置。
针对RRC专用信息的配置方式，可以为单个终端配置旁链路资源，在具体实现中，可以由接入网设备向单个终端发送RRC专用信息，该RRC专用信息用于为终端配置旁链路资源。由于RRC专用信息是发给单个终端的，因此RRC专用信息配置的旁链路资源可以用于组内的终端之间的单播传输，比如终端1可以使用RRC专用信息配置的旁链路资源向终端2单播发送数据或控制信息。
具体的，比如接入网设备可以通过RRC专用信息向终端配置旁链路BWP，该旁链路BWP可以称为用户专用旁链路BWP，或者称为用户特定旁链路BWP，或者简称为用户专用BWP，或者简称为用户特定BWP，或者简称为专用BWP，或者简称为特定BWP。该BWP可以是网络设备通过UE特定(specific)信令配置给终端的。
可选的，在专用BWP中配置的发送资源池和/或接收资源池，可以称为专用资源池。专用资源池可以包括专用发送资源池和/或专用接收资源池。
当然，实际应用中，RRC专用信息配置的旁链路资源还可以用于广播传输和/或组播传输，本申请不做限定。
五、旁链路(sidelink，SL)的基站调度模式
在基站调度模式下，网络设备可通过配置信息为发送端UE(也称为发送终端)和/或接收端UE(也称为接收终端)配置SL资源，所述SL资源中包括一个或多个资源池。在本申请实施例中，多个可以是2个、3个、4个或更多个，本申请实施例不做限制。网络设备可通过DCI向发送端UE指示资源池中的用于进行旁链路通信的资源，发送端UE在接收到所述DCI时，可利用所述DCI所指示的资源池中的资源，向接收端UE发送SL信息，所述SL信息可包括SL data和/或SCI和/或SFCI等，相应的，接收端可接收SL信息。其中，所述网络设备可为基站，或者为运营商运营的网管系统等。
下面以终端为UE为例，结合图2(a)，介绍SL的基站调度模式。如图2(a)所示，网络设备可为UE1和UE2配置SL资源，网络设备可发送DCI至UE1，UE1可根据DCI的指示，确定SL发送资源，在SL发送资源上发送SCI和/或SL data。UE2根据配置的SL资源，确定SL接收资源，在SL接收资源上接收SCI，并根据SCI在接收资源上接收SL data。可选的，UE2在接收到SL data后，可向UE发送1发送SFCI。例如，如果UE2正确接收SL data，则所述SFCI中可包括肯定确认(ACK)，否则，所述SFCI中可包括否定确认(NACK)等。
在一示例中，网络设备可以为UE1、UE2和UE3配置SL资源，网络设备可通过DCI为UE3和UE1分配SL发送资源。UE3在SL发送资源上，可向UE1发送SL信号，比如，所述SL信号可包括SCI和/或SL data等。UE1在接收到所述SL信号后，UE1可向UE3发送SFCI。可选地，同时，UE1在SL发送资源上，可向UE2发送SL信号，比如，所述SL信号可包括SCI和/或SL data等。UE2在接收到所述SL信号后，UE2可向UE1发送SFCI
可选的，基站调度模式也可以称为基站辅助调度模式。
六、旁链路SL的UE自主选择模式
在UE自主选择模式下，网络设备可通过配置信息，为发送端UE和/或接收端UE配置SL资源，所述SL资源中包括一个或多个资源池。发送端UE在所配置的SL资源中进行感知，如果感知到SL资源中有可用资源，则在该可用资源中发送SL信息，相应的，接收端UE在SL资源中接收SL信息。
下面以终端为UE为例，结合图2(b)，介绍SL的UE自主选择模式。如图2(b)所示，网络设备可为UE1和UE2配置SL资源，UE1在配置的SL资源中，感知SL发送资源，在SL发送资源中发送SCI和/或SL data。相应的，UE2根据配置的SL资源，接收SCI和/或SL data。可选的，UE2在接收到SL data后，可在配置的SL资源中，感知SL发送资源，且在SL发送资源上向UE1发送SFCI等。
与上述旁链路SL的基站调度模式相似，UE1在作为发送端，在SL发送资源上向UE2发送SL data信息时，UE1也可作为接收端，接收UE3发送的SL data信息。可选地，同时，UE1可以在SL发送资源上向UE3发送SFCI，详细说明可参见上述旁链路SL的基站调度模式的记载，在此不再说明。
需要指出的是，本申请中涉及的名词“传输”可以包括数据和/或控制信息的发送和/或接收。“第一”、“第二”等词汇，仅用于区分描述的目的，而不能理解为指示或暗示相对重要性，也不能理解为指示或暗示顺序。
需要说明的是，本申请中的第一设备指的是接入网设备，第二设备指的是头终端。或者，第一设备指的是头终端，第二设备指的是接入网设备。
基于图1所示的网络架构，本申请提供一种旁链路资源的配置方法，如图2(c)所示，该方法包括以下步骤：
步骤203，头终端确定旁链路资源的第一配置信息。
步骤204，头终端向第一终端发送旁链路资源的第一配置信息，第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路BWP资源的公共资源，终端群组包括第一终端，N为正整数。
在一种实现方式中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则这里的公共资源可以是频域上的公共资源。
可选的，公共资源可以是指公共接收资源和/或公共发送资源。
在一种实现方式中，这里的N个终端为终端群组内除第一终端之外的所有终端。比如，终端群组有20个终端，分别编号为1至20，若第一终端为终端1，则这里的N个终端指的是终端2至终端20，其中，终端1至终端20中可以包括头终端。基于该实现方式，头终端将这19个终端的资源池或旁链路BWP资源的公共资源发送至终端1，即这里的公共资源是这19个终端都包括的资源。
在又一种实现方式中，这里的N个终端为终端群组内的所有终端。比如，终端群组有20个终端，分别编号为1至20，若第一终端为终端1，则这里的N个终端指的是终端1至终端20，其中，终端1至终端20中可以包括头终端。基于该实现方式，头终端将这20个终端的资源池或旁链路BWP资源的公共资源发送至终端1，即这里的公共资源是这20个终端都包括的资源。
可选的，头终端可以通过PC5空口向第一终端发送第一配置信息。其中，PC5空口可 以是指用于终端和终端之间的通信的空口，比如可以是物理层的通信、或高层的通信。
可选的，第一配置信息指示公共资源时，可以是通过指示资源池确定公共资源。
可选的，第一配置信息指示公共资源时，可以是通过指示公共资源的位置信息或资源信息确定公共资源。
比如，头终端可以通过第一配置信息指示公共资源包括的资源池的标识，如Resource pool 0，resource pool 1等。再比如，头终端可以通过第一配置信息指示公共资源的位置信息。其中，位置信息用于确定公共资源包括的频域资源。比如可以是类似BWP的指示方法，比如指示公共资源的频域资源的位置(比如起始位置+带宽)。
可选的，本申请中，第一配置信息指示资源池的标识时，可以是指示资源池的比特位图(bitmap)，比如，如果有R个资源池，则可以用R个比特(bit)指示，一个bit可以对应一个资源池。比如，如果比特取值为1，则表明该比特对应的资源池为公共资源；如果比特取值为0，则表明该比特对应的资源池不是公共资源。或者比特含义也可以相反，具体的，本申请对此不作限定。
可选的，本申请中，第一配置信息指示资源池的标识时，可以用比特二进制编码。比如如果有R个资源池，则可以用log 2(R)个比特(bit)指示，一个二进制bit取值可以对应一个资源池。比如，第一配置信息可以是指示载波内的资源池的编号，比如，如果该载波内包括8个资源池，资源池的编号可以为0至7或1至8，则公共资源可以用3bit指示。如果比特取值为000，则表明第一个资源池(编号为0或编号为1的资源池)为公共资源；如果比特取值为001，则表明该第2个资源池(编号为1或编号为2的资源池)为公共资源，依次类推。比如，第一配置信息可以是指示带宽部分(BWP)内的资源池的编号，比如，如果该终端的BWP内包括4个资源池，资源池的编号可以为0至3或1至4，则公共资源可以用2bit指示。如果比特取值为00，则表明第一个资源池(编号为0或编号为1的资源池)为公共资源；如果比特取值为01，则表明该第2个资源池(编号为1或编号为2的资源池)为公共资源，依次类推。或者比特含义也可以根据比特含义和资源池的对应关系确定，其中对应关系可以是协议预定义的，或者通过信令告知终端的，具体的，本申请对此不作限定。
可选的，本申请中，第一配置信息指示公共资源时，可以是指示公共资源对应的起始位置和带宽。其中，起始位置可以是指起始RB，带宽可以是指RB的个数或者长度。具体的，比如可以通过一个资源指示值(resource indication value，RIV)指示公共资源的起始RB位置以及RB的长度。比如可以按照如下的公式，根据RIV确定起始RB和RB的长度。
如果
Figure PCTCN2020071530-appb-000011
则
Figure PCTCN2020071530-appb-000012
否则
Figure PCTCN2020071530-appb-000013
其中，RB start为公共资源的起始RB,L RBs为公共资源的RB的长度，L RBs≥1，并且不超过
Figure PCTCN2020071530-appb-000014
Figure PCTCN2020071530-appb-000015
为指示的最大带宽，比如可以是公共资源的最大带宽，或者可以是一个BWP的最大带宽，比如可以是275个RB或273个RB等。即从RB start开始，L RBs个索引连续的RB为第一配置信息指示的公共资源。
终端接收到该RIV之后，可以根据该RIV与起始RB以及RB的长度的对应关系，确 定出起始RB以及RB的长度，或者可以确定出第一配置信息指示给终端的公共资源。终端可以从该起始RB开始，在RB索引连续的长度为RB的长度的公共资源上和其他终端进行旁链路信号传输。
可选的，本申请中，第一配置信息指示公共资源时，可以是指示公共资源对应的起始位置。公共资源的带宽可以是协议预定义的，比如是一个资源池包括的RB个数。比如可以是20个RB，50个RB等。
可选的，本申请中，第一配置信息指示公共资源时，可以是指示公共资源对应的带宽。公共资源的起始位置可以是协议预定义的。比如公共资源对应的带宽位于该载波带宽的中心。具体的，比如公共资源的中心位置为载波带宽的中心位置或中心频点。
可选的，第一配置信息中也可以指示该公共资源对应的帧结构参数。
可选的，在指示公共资源时，可以是针对该公共资源对应的帧结构参数下的载波带宽进行指示。
可选的，起始位置可以是相对于公共RB编号的偏移，或者可以是相对于该终端的BWP的第一个RB的偏移，或者可以是相对于该终端的BWP的最低RB编号的偏移。
可选的，RB可以是一种频域单元粒度，比如一个RB可以包括12个子载波。可选的，RB也可以用其他频域单元粒度代替，具体的，本申请对此不作限定。
具体的，公共RB编号可以表示RB在一个载波中的索引，也就是说，公共RB编号是以载波作为参考对象设计的。可选的，该载波可以是帧结构参数级的载波或子载波间隔级的载波。不同的子载波间隔可以对应不同的载波。具体而言，从载波的起始RB开始按照频率增大或减小的方向编号，使得载波中的任一个RB是相对于载波的起始RB偏移S1个RB后的RB，S1为大于或等于0的整数。
可选的，本申请中，编号也可以称为索引等，本申请对此不作限定。
可选的，头终端可以通过物理层发送SCI告知终端群组内的终端的公共资源。
比如，头终端可以通过组公共SCI向终端发送第一配置信息。通过该组公共SCI，可以让该终端群组内的一个或多个终端接收到该第一配置信息。
可选的，组公共SCI可以通过组标识加扰，组标识可以是组无线网络临时标识(group-radio networktempory identity，G-RNTI))。当接收该SCI的终端通过组标识解扰解码成功，则确定为该组的第一配置信息。
比如，头终端可以通过终端级SCI向终端发送第一配置信息，通过该SCI，可以让该群组内的一个或多个终端接收到该第一配置信息。
可选的，用户级SCI可以通过终端标识加扰，比如终端标识可以是无线网络临时标识(radio networktempory identity，RNTI)。当接收该SCI的终端通过终端标识解扰解码成功，则确定为该终端的第一配置信息。
可选的，RNTI可以是旁链路RNTI(sidelink-RNTI,s-RNTI)，或者其他旁链路的标识等。
步骤205，第一终端在第一配置信息配置的旁链路资源上，与终端群组内的终端进行旁链路通信。
比如，第一终端可以在第一配置信息配置的旁链路资源上，与终端群组内的终端进行旁链路通信。即第一终端可以向终端群组内的其他终端发送旁链路信息。
作为一种实现方式，第一终端可以从第一配置信息配置的旁链路资源中确定出当前可用的旁链路资源，与终端群组内的终端进行旁链路通信。
具体的，当第一终端为发送侧终端，终端群组内的其他终端为接收侧终端时，即第一终端向终端群组内的终端发送旁链路信息时，第一终端可以从第一配置信息配置的旁链路资源中确定出当前可用的旁链路发送资源，在所述旁链路发送资源上与终端群组内的终端进行旁链路通信。
可选的，发送侧终端可以在公共资源上向一个或多个接收侧终端发送旁链路信号，比如参考信号(包括解调参考信号(demodulation reference signal，DMRS)，信道状态信息参考信号(channel stateinformation-reference signal，CSI-RS),探测参考信号(sounding reference signal，SRS)等)，物理旁链路共享信道(Physical Sidelink Shared Channel,PSSCH)，物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)、物理旁链路发现信道(Physical Sidelink Discovery Channel,PSDCH)，物理旁链路广播信道(Physical Sidelink Broadcast Channel,PSBCH),旁链路上行控制信道(PSUCCH,Physical Sidelink Uplink Control Channel)中的至少一项。
可选的，接收侧终端可以在公共资源上接收一个或多个发送侧终端发送的旁链路信号，比如参考信号(包括解调参考信号(demodulation reference signal，DMRS)，信道状态信息参考信号(channel state information-reference signal，CSI-RS)，探测参考信号(sounding reference signal，SRS)等)，物理旁链路共享信道(Physical Sidelink Shared Channel,PSSCH)，物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)、物理旁链路发现信道(Physical Sidelink Discovery Channel,PSDCH)，物理旁链路广播信道(Physical Sidelink Broadcast Channel,PSBCH),旁链路上行控制信道(PSUCCH,Physical Sidelink Uplink Control Channel)中的至少一项。
当然，接收侧终端也可以在其他旁链路资源上接收旁链路信号，并不限定仅在公共资源上接收旁链路信号。比如接收侧终端，可以同时接收单播，组播，和广播的旁链路信号，只要在接收侧终端的接收能力范围内，接收侧终端可以在配置的接收资源上接收旁链路信号。
可选的，旁链路通信可以是单播通信和/或组播通信等。
基于该方案，第一终端在终端群组内的N个终端的公共资源上，与终端群组内的终端进行旁链路通信，实现了终端群组内的不同终端之间的通信。并且，由于是通过头终端通过PC5空口向终端群组内的终端通知公共资源，无需通过接入网设备通知，因而可以避免因接入网设备的参与而带来的信令时延。
下面结合附图对上述方案进行示例说明。
如图3所示，为终端资源示意图。其中，终端群组包括终端1、终端2和终端3。以公共资源为接收资源池(RX Resource pool)为例进行说明。其中，网络侧为终端群组内的各个终端配置的资源包括接收资源池。具体的，为终端1配置的资源包括RX Resource pool 0和RX Resource pool 1对应的资源，为终端2配置的资源包括RX Resource pool 0、RX Resource pool 1、RX Resource pool 2和RX Resource pool 3对应的资源，为终端3配置的资源包括RX Resource pool 0、RX Resource pool 1、RX Resource pool 2、RX Resource pool 3、RX Resource pool 4和RX Resource pool 5对应的资源。
对于网络侧如何为上述终端配置上述资源，后续会具体介绍。
基于图3所示的资源配置，假设终端2是头终端，则第一终端可以是终端1或终端3。以第一终端为终端1为例，则头终端可以通过以下任一方法通过第一配置信息为终端1配 置公共资源：
方法一，头终端将终端群组内除终端1之外的所有终端的公共资源，通过第一配置信息配置给终端1。
如图3所示，终端群组内除终端1之外的终端包括终端2和终端3，因此公共资源为终端2和终端3的公共资源，即为RX Resource pool 0、RX Resource pool 1、RX Resource pool 2和RX Resource pool 3对应的资源。
因此，头终端将RX Resource pool 0、RX Resource pool 1、RX Resource pool 2和RX Resource pool 3对应的资源通过第一配置信息配置给终端1，从而终端1可以在这些公共资源上向终端2和/或终端3发送旁链路信息，比如单播信息，组播信息等，且终端2和/或终端3可以接收到终端1在这些公共资源上发送的旁链路信息，比如单播信息，组播信息等。或者理解为，将RX Resource pool 0、RX Resource pool 1、RX Resource pool 2或RX Resource pool 3对应的资源配置为终端1的发送资源，终端1在这些可用的发送资源上向终端2和/或终端3发送组播信息，因而终端2和/或终端3可以接收到终端1在这些公共资源上发送的旁链路信息。
比如，若上述RX Resource pool 0对应的资源被配置为终端1的发送资源，则终端1可以在RX Resource pool 0上向终端2和/或终端3发送旁链路信息。再比如，若上述RX Resource pool 1对应的资源被配置为终端1的发送资源，则终端1可以在RX Resource pool 1对应的资源上向终端2和/或终端3发送旁链路信息。再比如，若上述RX Resource pool 0、RX Resource pool1对应的资源均被配置为终端1的发送资源，则终端1可以在RX Resource pool 0和/或RX Resource pool1对应的资源上向终端2和/或终端3发送旁链路信息。再比如，若上述RX Resource pool 2、RX Resource pool 3对应的资源均被配置为终端1的发送资源，则终端1可以在RX Resource pool 2和/或RX Resource pool 3对应的资源上向终端2和/或终端3发送旁链路信息，等等。
方法二，头终端将终端群组内所有终端的公共资源，通过第一配置信息配置给终端1。
如图3所示，终端群组内所有终端包括终端1、终端2和终端3，因此公共资源为终端1、终端2和终端3的公共资源，即为RX Resource pool 0和RX Resource pool 1对应的资源。
因此，头终端将RX Resource pool 0和RX Resource pool 1对应的资源通过第一配置信息配置给终端1，从而终端1可以在这些公共资源上向终端2和/或终端3发送旁链路信息，且终端2和/或终端3可以接收到终端1在这些公共资源上发送的旁链路信息。或者理解为，将RX Resource pool 0和/或RX Resource pool 1对应的资源配置为终端1的发送资源，终端1在这些发送资源上向终端2和/或终端3发送旁链路信息，因而终端2和/或终端3可以接收到终端1在这些公共资源上发送的旁链路信息。
比如，若上述RX Resource pool 0对应的资源被配置为终端1的发送资源，则终端1可以在RX Resource pool 0对应的资源上向终端2和/或终端3发送旁链路信息。再比如，若上述RX Resource pool 1对应的资源被配置为终端1的发送资源，则终端1可以在RX Resource pool 1对应的资源上向终端2和/或终端3发送旁链路信息。再比如，若上述RX Resource pool 0、RX Resource pool1对应的资源均被配置为终端1的发送资源，则终端1可以在RX Resource pool 0和/或RX Resource pool 1对应的资源上向终端2和/或终端3发送旁链路信息。
作为一种实现方式，在上述步骤203具体可以通过以下方法实现：
步骤A，接入网设备/网管系统向头终端发送终端群组的群组信息。
步骤B，头终端根据群组信息，确定上述公共资源，即确定终端群组内的N个终端的资源池或旁链路BWP资源的公共资源。
其中，接入网设备/网管系统向头终端发送的群组信息包括如下信息中的至少一项：终端群组中的终端的终端标识、终端群组中的终端的终端状态、终端群组的组标识、公共资源。
比如，接入网设备/网管系统向头终端发送的群组信息包括终端群组中的终端的终端标识和/或终端群组中的终端的终端状态，则头终端可以根据终端群组中的终端的终端标识和/或终端群组中的终端的终端状态，以及终端群组内的终端的旁链路资源，确定出上述公共资源。其中，终端群组内的终端可以预先将各自的旁链路资源上报给头终端，或者是接入网设备/网管系统预先将终端群组内的各个终端的旁链路资源发送给头终端。
可选的，所述终端的旁链路资源可以简称为终端的资源。终端的资源可以是指终端配置的旁链路资源，或者激活的旁链路资源，或者可用的旁链路资源等。再比如，接入网设备/网管系统向头终端发送的群组信息包括上述公共资源，则头终端可以根据群组信息确定出上述公共资源。
作为一种实现方法，在上述步骤203之前还包括步骤201a和步骤201b。或者，在上述步骤203之前还包括步骤202a和步骤202b。
步骤201a，接入网设备/网管系统向第一终端发送第二配置信息。
例如，第二配置信息可以是预配置信息，系统信息，RRC公共信息，RRC专用信息中的至少一项。
第一终端根据第二配置信息确定第一终端的资源池和/或旁链路BWP资源，资源池包括发送资源池和/或接收资源池，旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
可以理解为，第二配置信息用于为第一终端配置资源。以图3为例，若第一终端是终端1，则第二配置信息配置的资源包括RX Resource pool 0和RX Resource pool 1。再比如，若第一终端是终端2，则第二配置信息配置的资源包括RX Resource pool 0、RX Resource pool 1、RX Resource pool 2和RX Resource pool 3。再比如，若第一终端是终端3，则第二配置信息配置的资源包括RX Resource pool 0、RX Resource pool 1、RX Resource pool 2、RX Resource pool 3、RX Resource pool 4和RX Resource pool 5。
步骤201b，第一终端向头终端发送第三配置信息，第三配置信息用于头终端确定第一终端的资源池和/或旁链路BWP。
需要说明的是，第三配置信息可以是上述第二配置信息，或可以是第二配置信息的部分信息，或者是其他信息。
可以理解为，第一终端将第二配置信息配置给自身的资源，通过第三配置信息告知头终端。
可选的，第一终端还可以向终端群组内的除第一终端和头终端之外的终端发送上述第三配置信息。可以理解为，第一终端将第二配置信息配置给自身的资源，通过第三配置信息告知终端群组内的除第一终端和头终端之外的终端。
步骤202a，头终端向第一终端发送第二配置信息。
第一终端根据第二配置信息确定第一终端的资源池和/或旁链路BWP资源，资源池包括发送资源池和/或接收资源池，旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
可以理解为，第二配置信息用于为第一终端配置资源。以图3为例，若第一终端是终端1，则第二配置信息配置的资源包括RX Resource pool 0和RX Resource pool 1。再比如，若第一终端是终端2，则第二配置信息配置的资源包括RX Resource pool 0、RX Resource pool 1、RX Resource pool 2和RX Resource pool 3。再比如，若第一终端是终端3，则第二配置信息配置的资源包括RX Resource pool 0、RX Resource pool 1、RX Resource pool 2、RX Resource pool 3、RX Resource pool 4和RX Resource pool 5。
步骤201b，第一终端向接入网设备/网管系统发送第四配置信息，第四配置信息用于接入网设备/网管系统确定第一终端的资源池和/或旁链路BWP。
需要说明的是，第四配置信息可以是上述第二配置信息，或可以是第二配置信息的部分信息，或者是其他信息。
可以理解为，第一终端将第二配置信息配置给自身的资源，通过第四配置信息告知接入网设备/网管系统。
可选的，第一终端还可以向终端群组内的除第一终端和头终端之外的终端发送上述第四配置信息。可以理解为，第一终端将第二配置信息配置给自身的资源，通过第四配置信息告知终端群组内的除第一终端和头终端之外的终端。
基于上述任一实现方式，第一终端还可以向终端群组内的头终端和/或终端群组内的除第一终端和头终端之外的终端发送如下信息中的至少一项：
第一终端的终端标识，第一终端的终端状态，第一终端的终端能力，第一终端的射频位置信息。
其中，可选的，本申请中终端标识可以包括无线网络临时标识、层2标识、旁链路目标标识，旁链路源标识中的至少一项。
其中，无线网络临时标识可以是用于标识终端的一个身份标识，取值可以是0至65535。
其中，层2标识可以是指高层为了标识终端的一个身份标识，比如可以是媒体接入控制(medium access control，MAC)层标识。
其中，旁链路目标标识可以指旁链路通信的接收侧的终端标识。比如旁链路信号的接收目标的终端对应的标识。
其中，旁链路源标识可以是指旁链路通信的发送侧的终端标识。比如旁链路信号的发送来源的终端对应的标识。
其中，可选的，本申请中终端状态可以包括覆盖内、覆盖外、连接(connected)态、空闲(idle)态，不活跃(inactive)态中的至少一项。
其中，覆盖内可以是指在接入网设备的覆盖范围内，具体的，比如可以是接收信号的功率大于(大于或等于)一定门限，比如-3dB等,其中dB是无量纲单位，它表示两个信号之间的幅度差，比如dB是功率增益的单位，表示一个相对值。
可选的，在覆盖内的终端可以是接收到接入网设备的系统消息的终端，也可以是接收到接入网设备的RRC消息的终端。比如可以是处于空闲态的终端，也可以是处于连接态的终端，或者也可以是处于不活跃态的终端。其中，不活跃态也可以称为第三态。
具体的，比如处于空闲态或不活跃态的终端可以是接收到接入网设备的系统消息的终 端。处于连接态的终端可以是与接入网设备有RRC链接的终端，该终端可以接收到接入网设备的RRC消息。
其中，覆盖外可以是指不在接入网设备的覆盖范围内，具体的，比如可以是接收信号的功率小于(小于或等于)一定门限，比如-3dB等。
可选的，在覆盖外的终端可以是处于空闲态的终端，或者也可以是处于不活跃态的终端。
可选的，因为覆盖外的终端接收不到接入网设备发送的信号或者接收性能较差，因此覆盖外的终端的旁链路资源可以是通过预配置信息配置的旁链路资源。比如覆盖外的终端的BWP为预配置BWP。即覆盖外的终端的工作BWP为预配置BWP。
可选的，覆盖内且为空闲态或不活跃态的终端接收不到接入网设备发送的RRC专用信令，因此覆盖内且为空闲态或不活跃态的终端的旁链路资源可以是通过预配置信息配置的旁链路资源和/或通过系统信息配置的旁链路资源。比如覆盖内且为空闲态或不活跃态的终端的BWP为预配置BWP和/或系统公共BWP。即覆盖外的终端的工作BWP为预配置BWP和/或系统公共BWP。
可选的，覆盖内且为连接态的终端因为即可以接收到接入网设备发送的系统信息，也可以接收到接入网设备发送的RRC专用信令，因此覆盖内且为连接态的终端的旁链路资源可以是通过预配置信息配置的旁链路资源和/或通过系统信息配置的旁链路资源和/或通过RRC专用信令配置的旁链路资源。比如覆盖内且为连接态的终端的BWP为预配置BWP和/或系统公共BWP和/或专用BWP。即覆盖外的终端的工作BWP为预配置BWP和/或系统公共BWP和/或专用BWP。
可选的，接入网设备或者头终端根据第一终端发送的终端状态可以确定第一终端的BWP，进而确定第一终端可用的旁链路资源。
其中，可选的，本申请中终端能力可以包括带宽能力和/或射频能力。其中带宽能力可以是射频带宽能力、信道带宽能力、终端可以支持的最大信道带宽能力中的至少一项。射频能力也可以是发送射频能力，和/或接收射频能力，和/或，终端的射频能力(发送和接收都适用)。其中，射频能力也可以是射频带宽能力，和/或，射频中心点位置等。
可选的，带宽能力与BWP的位置和/或资源具有对应关系。比如BWP的资源带宽可以等于带宽能力。比如当终端支持的带宽能力为20M时，BWP的资源的带宽即为20M。比如BWP的位置可以是在该载波带宽的中心，或BWP的起始RB位置为该载波带宽的最低的RB编号等。
可选的，带宽能力与BWP的位置和/或资源的对应关系，可以是协议预定义的，或者可以是接入网设备/网管系统通过信令告知终端的，或者通过其他方式获知。具体的，本申请对此不作限定。
可选的，接入网设备或者头终端根据第一终端发送的终端能力可以确定第一终端的BWP，进而确定第一终端可用的旁链路资源。
基于图1所示的网络架构，本申请提供又一种旁链路资源的配置方法，如图4所示，该方法包括以下步骤：
步骤403，接入网设备/网管系统确定第一配置信息。
步骤404，接入网设备/网管系统向第一终端发送旁链路资源的第一配置信息，第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路BWP资源的 公共资源，终端群组包括第一终端，N为正整数。
在一种实现方式中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则这里的公共资源可以是频域上的公共资源。
可选的，公共资源可以是指公共接收资源和/或公共发送资源。
可选的，N个终端可以包括第一终端，也可以不包括第一终端。
在一种实现方式中，这里的N个终端为终端群组内除第一终端之外的所有终端。比如，终端群组有20个终端，分别编号为1至20，若第一终端为终端1，则这里的N个终端指的是终端2至终端20，其中，终端1至终端20中可以包括头终端。基于该实现方式，头终端将这19个终端的资源池或旁链路BWP资源的公共资源发送至终端1，即这里的公共资源是这19个终端都包括的资源。
在又一种实现方式中，这里的N个终端为终端群组内的所有终端。比如，终端群组有20个终端，分别编号为1至20，若第一终端为终端1，则这里的N个终端指的是终端1至终端20，其中，终端1至终端20中可以包括头终端。基于该实现方式，头终端将这20个终端的资源池或旁链路BWP资源的公共资源发送至终端1，即这里的公共资源是这20个终端都包括的资源。
可选的，接入网设备/网管系统可以通过系统信息、或RRC公共信息、或RRC专用信息中的至少一种向第一终端发送第一配置信息。比如，接入网设备/网管系统可以通过第一配置信息指示公共资源包括的资源池的标识，如Resource pool 0，resource pool 1等。再比如，接入网设备/网管系统可以通过第一配置信息指示公共资源的中的BWP的位置(比如起始位置+带宽)。
可选的，图3中第一配置信息的具体的指示方法可以如图2(c)中的方法类似，具体的，在此不再赘述。
步骤405，第一终端在第一配置信息配置的旁链路资源上，与终端群组内的终端进行旁链路通信。
比如，第一终端可以在第一配置信息配置的旁链路资源上，与终端群组内的终端进行旁链路通信。即第一终端可以向终端群组内的终端发送旁链路信息。
作为一种实现方式，第一终端可以从第一配置信息配置的旁链路资源中确定出当前可用的旁链路资源，与终端群组内的终端进行旁链路通信。
具体的，当第一终端为发送侧终端，终端群组内的其他终端为接收侧终端时，即第一终端向终端群组内的终端发送旁链路信息时，第一终端可以从第一配置信息配置的旁链路资源中确定出当前可用的旁链路发送资源，在所述旁链路发送资源上与终端群组内的终端进行旁链路通信。
可选的，旁链路通信可以是单播通信和/或组播通信等。
基于该方案，第一终端在终端群组内的N个终端的公共资源上，与终端群组内的终端进行旁链路通信，实现了终端群组内的不同终端之间的通信。并且，由于是通过接入网设备/网管系统向终端群组内的终端通知公共资源，可以更好的满足基站调度模式下的需求，接入网设备可以合理的协调资源，实现资源的充分利用，提高传输性能。
针对图4所示的实施例的具体示例，可以参考前述图4所示的实施例结合图3所进行描述的示例，这里不再赘述。与前述示例的区别在于，是由接入网设备/网管系统向终端群组内的终端发送第一配置信息。
作为一种实现方式，在上述步骤403具体可以通过以下方法实现：
步骤A，头终端向接入网设备/网管系统发送终端群组的群组信息。
步骤B，接入网设备/网管系统根据群组信息，确定上述公共资源，即确定终端群组内的N个终端的资源池或旁链路BWP资源的公共资源。
其中，头终端向接入网设备/网管系统发送的群组信息包括如下信息中的至少一项：终端群组中的终端的终端标识、终端群组中的终端的终端状态、终端群组的组标识、公共资源。
比如，头终端向接入网设备/网管系统发送的群组信息包括终端群组中的终端的终端标识和/或终端群组中的终端的终端状态，则接入网设备/网管系统可以根据终端群组中的终端的终端标识和/或终端群组中的终端的终端状态，以及终端群组内的终端的旁链路资源，确定出上述公共资源。其中，终端群组内的终端可以预先将各自的旁链路资源上报给接入网设备/网管系统，或者是头终端预先将终端群组内的各个终端的旁链路资源发送给接入网设备/网管系统。或者是接入网设备/网管系统配置的。
可选的，所述终端的旁链路资源可以简称为终端的资源。终端的资源可以是指终端配置的旁链路资源，或者激活的旁链路资源，或者可用的旁链路资源等。
再比如，头终端向接入网设备/网管系统发送的群组信息包括上述公共资源，则接入网设备/网管系统可以根据群组信息确定出上述公共资源。
作为一种实现方法，在上述步骤403之前还包括步骤401a和步骤401b。或者，在上述步骤403之前还包括步骤402a和步骤402b。
上述步骤401a-步骤401b的具体实现过程，与图2(c)所示的实施例的步骤201a-步骤201b的实现过程相同，可参考前述描述。
上述步骤402a-步骤402b的具体实现过程，与图2(c)所示的实施例的步骤202a-步骤202b的实现过程相同，可参考前述描述。
基于上述任一实现方式，第一终端还可以向终端群组内的头终端和/或终端群组内的除第一终端和头终端之外的终端发送如下信息中的至少一项：
第一终端的终端标识，第一终端的终端状态，第一终端的终端能力，第一终端的射频位置信息。
基于图1所示的网络架构，本申请提供又一种旁链路资源的配置方法，该方法可用于两个终端之间的单播通信。
该方法包括：第一终端接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括第三终端的资源池或旁链路BWP资源；所述第一终端在所述第一配置信息配置的旁链路资源上，与所述第三终端进行旁链路通信。所述第三终端为第一终端之外的能够与所述第一终端通信的终端。
可选的，第三终端的资源池可以是指接收资源池和/或发送资源池。
作为一种实现方式，第一终端可以从第一配置信息配置的旁链路资源中确定出当前可用的旁链路资源，与第三终端进行旁链路通信。
具体的，当第一终端为发送侧终端，第三终端为接收侧终端时，即第一终端向第三终端发送旁链路信息时，第一终端可以从第一配置信息配置的旁链路资源中确定出当前可用的旁链路发送资源，在所述旁链路发送资源上与第三终端进行旁链路通信。
基于该实施例，可实现两个终端之间的旁链路通信。需要说明的是，该实施例可以用 于终端群组内的两个终端之间的通信，也可以用于非属于同一终端群组的两个终端之间的通信。
该实施例终端第一终端可以是从接入网设备/网管系统接收第一配置信息。或者，第一终端可以是从头终端接收第一配置信息。或者，第一终端可以是从第三终端接收第一配置信息。
可选的，第一终端还可以从接入网设备/网管系统/头终端接收第二配置信息，该第二配置用于所述第一终端根据所述第二配置信息确定第一终端的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
基于图1所示的网络架构，本申请提供又一种旁链路的通信方法，该方法可用于一个终端群组之间的组播通信。
该旁链路的通信方法可以是包括加入和/或退出群组的流程。
可选的，加入群组的流程可以是终端向接入网设备和/或头终端发送申请加入群组的信息。在该信息中可以包括终端标识，终端状态，终端能力，射频位置，终端的旁链路配置信息，第三配置信息，第四配置信息中的至少一项。比如信息中包括如下中的至少一项：终端的可用旁链路资源，终端的发送射频能力，接收射频能力，终端的射频能力(发送和接收都适用)，终端的带宽能力。
可选的，接入网设备和/或头终端在接收到终端的申请加入群组的信息后，可以向该终端反馈是否加入群组成功的信息。在反馈信息中可以携带群组标识和/或第一配置信息。第一终端在接收到反馈信息后即可确认申请加入群组成功，并在该群组的可用资源上与该群组中的其他终端进行旁链路通信。
可选的，退出群组的流程可以是终端向接入网设备和/或头终端发送申请退出群组的信息。接入网设备和/或头终端在接收到终端的申请退出群组的信息后，可以向该终端反馈是否退出群组成功的信息。
可选的，本申请中的第二配置信息是接入网设备和/或第二终端发送给第一终端的，用于第一终端确定所述第一终端的资源池和/或旁链路BWP。第三配置信息是第一终端发送给第二终端的，用于第二终端确定第一终端的资源池和/或旁链路BWP。第四配置信息是第一终端发送给接入网设备的，用于接入网设备确定第一终端的资源池和/或旁链路BWP。
可选的，第一配置信息，第二配置信息，第三配置信息和第四配置信息包括的参数可以是相同的，也可以是不同的。比如可以包括如下参数中的至少一项：子载波间隔，CP类型，BWP的起始位置，BWP的带宽，波形，帧结构的上下行配置，资源池索引，资源池的起始位置，资源池的带宽。
可选的，本申请中的方案可以适用于基站调度模式，也可以适用于终端自主选择模式，也可以适用于其他的旁链路调度或资源确定模式，具体的，本申请对此不作限定。
比如针对基站调度模式，接入网设备可以在DCI中指示公共资源中用于发送侧终端进行旁链路通信的资源。
具体的，通过上述方式终端确定公共资源，接入网设备可以根据公共资源确定终端的可用的旁链路资源，进一步接入网设备可以在DCI中指示发送侧终端进行旁链路传输时资源所在的资源池，以及在该资源池中进行旁链路传输的资源；或者DCI中可以指示在资源 池中进行旁链路传输的资源，即无需指示发送侧终端进行旁链路传输时资源所在的资源池。终端可以根据DCI的指示进行旁链路信号的传输。
比如针对终端自主选择模式，发送侧终端可以感知公共资源中的资源进而确定用于进行旁链路通信的资源。
具体的，通过上述方式终端确定公共资源，在所述公共资源中确定旁链路发送资源。具体的，该公共资源中可以包括一个或多个资源池，终端可以在所确定的资源池中感知是否有其他终端占用该资源池的资源，如果没有终端占用该资源，发送侧终端可以在该资源进行旁链路信号的传输。
可选的，本申请中的上述任一实施例都可以作为独立的实施例，也可以相互结合，具体的，本申请对此不作限定。
可以理解的是，上述实现各网元为了实现上述功能，其包括了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，本发明能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
如图5所示，为本申请所涉及的装置的一种可能的示例性框图，该装置500可以以软件或硬件的形式存在。装置500可以包括：处理单元502和通信单元503。作为一种实现方式，该通信单元503可以包括接收单元和发送单元。处理单元502用于对装置500的动作进行控制管理。通信单元503用于支持装置500与其他网络实体的通信。装置500还可以包括存储单元501，用于存储装置500的程序代码和数据。
其中，处理单元502可以是处理器或控制器，例如可以是通用中央处理器(central processing unit，CPU)，通用处理器，数字信号处理(digital signal processing，DSP)，专用集成电路(application specific integrated circuits，ASIC)，现场可编程门阵列(field programmable gate array，FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本发明公开内容所描述的各种示例性的逻辑方框，模块和电路。所述处理器也可以是实现计算功能的组合，例如包括一个或多个微处理器组合，DSP和微处理器的组合等等。通信单元503可以是通信接口、收发器或收发电路等，其中，该通信接口是统称，在具体实现中，该通信接口可以包括多个接口。存储单元501可以是存储器。
在第一种应用中，该装置500可以为上述任一实施例中的终端(即上述第一终端)，还可以为可用于终端的芯片。例如，当装置500为终端时，该处理单元例如可以是处理器，该通信单元例如可以是收发器。可选的，该收发器可以包括射频电路，该存储单元例如可以是存储器。例如，当装置500为可用于终端的芯片时，该处理单元例如可以是处理器，该通信单元例如可以是输入/输出接口、管脚或电路等。该处理单元可执行存储单元存储的计算机执行指令，可选地，该存储单元为该芯片内的存储单元，如寄存器、缓存等，该存储单元还可以是该终端内的位于该芯片外部的存储单元，如只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)等。
在第一个实施例中，通信单元接收旁链路资源的第一配置信息，所述第一配置信息配 置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数；以及，在所述第一配置信息配置的旁链路资源上，与所述终端群组内的终端进行旁链路通信。
在一种可能的实现方法中，所述N个终端为所述终端群组内除所述第一终端之外的所有终端，或者，所述N个终端为所述终端群组内的所有终端。
在一种可能的实现方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现方法中，通信单元用于接收旁链路资源的第二配置信息，所述第一终端根据所述第二配置信息确定第一终端的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
在一种可能的实现方法中，通信单元用于从接入网设备接收所述第二配置信息。
在一种可能的实现方法中，通信单元用于向所述终端群组内的头终端和/或所述终端群组内的除所述第一终端和所述头终端之外的终端发送第三配置信息，所述第三配置信息用于所述头终端和/或所述终端群组内的除所述第一终端和所述头终端之外的终端确定所述第一终端的资源池和/或旁链路BWP。
在一种可能的实现方法中，通信单元用于从所述终端群组内的头终端接收所述第二配置信息。
在一种可能的实现方法中，通信单元用于向接入网设备和/或所述终端群组内的除所述第一终端和所述头终端之外的终端发送第四配置信息，所述第四配置信息用于所述接入网设备和/或所述终端群组内的除所述第一终端之外的终端确定所述第一终端的资源池和/或旁链路BWP。
在一种可能的实现方法中，通信单元用于向所述终端群组内的头终端和/或所述终端群组内的除所述第一终端和所述头终端之外的终端发送如下信息中的至少一项：所述第一终端的标识，所述第一终端的状态，所述第一终端的能力，所述第一终端的射频位置信息，所述第一终端的标识包括无线网络临时标识、层2标识、旁链路目标标识中的至少一项，所述第一终端的状态包括覆盖内、覆盖外、连接态、空闲态，不活跃态中的至少一项，所述第一终端的能力包括射频带宽能力、信道带宽能力中的至少一项。
在一种可能的实现方法中，所述头终端为所述终端群组中用于管理所述终端群组和/或辅助调度所述终端群组中的终端进行旁链路通信的终端。
在第二个实施例中，通信单元用于接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括第三终端的资源池或旁链路带宽部分BWP资源；以及，在所述第一配置信息配置的旁链路资源上，与所述第三终端进行旁链路通信。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，通信单元用于接收旁链路资源的第二配置信息，所述第一终端根据所述第二配置信息确定第一终端的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
在第二种应用中，该装置500可以为上述任一实施例中的第一设备(如头终端、或接 入网设备/网管系统)，还可以为可用于第一设备的芯片。例如，当装置500为第一设备时，该处理单元例如可以是处理器，该通信单元例如可以是收发器。可选的，该收发器可以包括射频电路，该存储单元例如可以是存储器。例如，当装置500为可用于第一设备的芯片时，该处理单元例如可以是处理器，该通信单元例如可以是输入/输出接口、管脚或电路等。该处理单元可执行存储单元存储的计算机执行指令，可选地，该存储单元为该芯片内的存储单元，如寄存器、缓存等，该存储单元还可以是该第一设备内的位于该芯片外部的存储单元，如ROM或可存储静态信息和指令的其他类型的静态存储设备，RAM等。
在一个实施例中，处理单元用于确定旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数。通信单元用于向所述第一终端发送所述旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源用于所述第一终端与所述终端群组内的终端进行旁链路通信。
在一种可能的实现的方法中，所述N个终端为所述终端群组内除所述第一终端之外的所有终端，或者，所述N个终端为所述终端群组内的所有终端。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，通信单元用于从第二设备接收所述终端群组的群组信息；处理单元用于根据所述群组信息，确定所述公共资源。
在一种可能的实现的方法中，所述群组信息包括如下信息中的至少一项：所述终端群组中的终端的终端标识、所述终端群组中的终端的终端状态、所述终端群组的组标识、所述公共资源。
在一种可能的实现的方法中，所述第一设备为头终端，所述第二设备为接入网设备；或者，所述第一设备为接入网设备，所述第二设备为头终端，所述终端群组包括所述头终端。
在第三种应用中，该装置500可以为上述任一实施例中的第二设备(如头终端、或接入网设备/网管系统)，还可以为可用于第二设备的芯片。例如，当装置500为第二设备时，该处理单元例如可以是处理器，该通信单元例如可以是收发器。可选的，该收发器可以包括射频电路，该存储单元例如可以是存储器。例如，当装置500为可用于第二设备的芯片时，该处理单元例如可以是处理器，该通信单元例如可以是输入/输出接口、管脚或电路等。该处理单元可执行存储单元存储的计算机执行指令，可选地，该存储单元为该芯片内的存储单元，如寄存器、缓存等，该存储单元还可以是该第二设备内的位于该芯片外部的存储单元，如ROM或可存储静态信息和指令的其他类型的静态存储设备，RAM等。
在一个实施例中，通信单元用于向第一设备发送一个终端群组的群组信息，所述群组信息用于所述第一设备确定所述终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，N为正整数。
在一种可能的实现的方法中，所述N个终端为所述终端群组内的所有终端或为所述终端群组内的除第一终端之外的所有终端，所述公共资源用于所述第一设备发送至所述第一终端。
在一种可能的实现的方法中，若第一配置信息配置的旁链路资源为终端群组内的N个终端的资源池的公共资源，则所述公共资源为频域上的公共资源。
在一种可能的实现的方法中，所述群组信息包括如下信息中的至少一项：所述终端群组中的终端的终端标识、所述终端群组中的终端的终端状态、所述终端群组的组标识、所述公共资源。
在一种可能的实现的方法中，所述第一设备为头终端，所述第二设备为接入网设备，所述终端群组包括所述头终端；或者，所述第一设备为接入网设备，所述第二设备为头终端，所述终端群组包括所述头终端。
需要说明的是，该装置用于上述旁链路资源的配置方法时的具体实现过程以及相应的有益效果，可以参考前述方法实施例中的相关描述，这里不再赘述。
参阅图6所示，为本申请提供的一种装置示意图，该装置可以是上述头终端、第一终端、接入网设备/网管系统。该装置600包括：处理器602、通信接口603、存储器601。可选的，装置600还可以包括总线604。其中，通信接口603、处理器602以及存储器601可以通过通信线路604相互连接；通信线路604可以是外设部件互连标准(peripheral component interconnect，简称PCI)总线或扩展工业标准结构(extended industry standard architecture，简称EISA)总线等。所述通信线路604可以分为地址总线、数据总线、控制总线等。为便于表示，图6中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
处理器602可以是一个CPU，微处理器，ASIC，或一个或多个用于控制本申请方案程序执行的集成电路。
通信接口603，使用任何收发器一类的装置，用于与其他设备或通信网络通信，如以太网，无线接入网(radio access network，RAN)，无线局域网(wireless local area networks，WLAN)，有线接入网等。
存储器601可以是只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory，EEPROM)、只读光盘(compact disc read-only memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器可以是独立存在，通过通信线路604与处理器相连接。存储器也可以和处理器集成在一起。
其中，存储器601用于存储执行本申请方案的计算机执行指令，并由处理器602来控制执行。处理器602用于执行存储器601中存储的计算机执行指令，从而实现本申请上述实施例提供的旁链路资源的配置方法。
可选的，本申请实施例中的计算机执行指令也可以称之为应用程序代码，本申请实施例对此不作具体限定。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质 中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包括一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘(Solid State Disk，SSD))等。
本申请实施例中所描述的各种说明性的逻辑单元和电路可以通过通用处理器，数字信号处理器，专用集成电路(ASIC)，现场可编程门阵列(FPGA)或其它可编程逻辑装置，离散门或晶体管逻辑，离散硬件部件，或上述任何组合的设计来实现或操作所描述的功能。通用处理器可以为微处理器，可选地，该通用处理器也可以为任何传统的处理器、控制器、微控制器或状态机。处理器也可以通过计算装置的组合来实现，例如数字信号处理器和微处理器，多个微处理器，一个或多个微处理器联合一个数字信号处理器核，或任何其它类似的配置来实现。
本申请实施例中所描述的方法或算法的步骤可以直接嵌入硬件、处理器执行的软件单元、或者这两者的结合。软件单元可以存储于RAM存储器、闪存、ROM存储器、EPROM存储器、EEPROM存储器、寄存器、硬盘、可移动磁盘、CD-ROM或本领域中其它任意形式的存储媒介中。示例性地，存储媒介可以与处理器连接，以使得处理器可以从存储媒介中读取信息，并可以向存储媒介存写信息。可选地，存储媒介还可以集成到处理器中。处理器和存储媒介可以设置于ASIC中，ASIC可以设置于终端中。可选地，处理器和存储媒介也可以设置于终端中的不同的部件中。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管结合具体特征及其实施例对本申请进行了描述，显而易见的，在不脱离本申请的精神和范围的情况下，可对其进行各种修改和组合。相应地，本说明书和附图仅仅是所附权利要求所界定的本申请的示例性说明，且视为已覆盖本申请范围内的任意和所有修改、变化、组合或等同物。显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包括这些改动和变型在内。

Claims (16)

  1. 一种旁链路资源的配置方法，其特征在于，包括：
    第一终端接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数；
    所述第一终端在所述第一配置信息配置的旁链路资源上，与所述终端群组内的终端进行旁链路通信。
  2. 如权利要求1所述的方法，其特征在于，所述方法还包括：
    所述第一终端接收旁链路资源的第二配置信息；
    所述第一终端根据所述第二配置信息确定所述第一终端的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
  3. 如权利要求2所述的方法，其特征在于，所述第一终端接收旁链路资源的第二配置信息，包括：
    所述第一终端从接入网设备接收所述第二配置信息。
  4. 如权利要求2或3所述的方法，其特征在于，所述方法还包括：
    所述第一终端向所述终端群组内的第二终端发送第三配置信息，所述第三配置信息用于所述第二终端确定所述第一终端的资源池和/或旁链路BWP。
  5. 如权利要求2所述的方法，其特征在于，所述第一终端接收旁链路资源的第二配置信息，包括：
    所述第一终端从所述终端群组内的第二终端接收所述第二配置信息。
  6. 如权利要求2或5所述的方法，其特征在于，所述第一终端接收旁链路资源的第二配置信息，包括：
    所述第一终端向接入网设备发送第四配置信息，所述第四配置信息用于所述接入网设备确定所述第一终端的资源池和/或旁链路BWP。
  7. 一种旁链路资源的配置方法，其特征在于，包括：
    第一设备向第一终端发送旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数，所述第一配置信息配置的旁链路资源用于所述第一终端与所述终端群组内的终端进行旁链路通信。
  8. 如权利要求7所述的方法，其特征在于，所述方法还包括：
    所述第一设备从第二设备接收所述终端群组的群组信息；
    所述第一设备根据所述群组信息，确定所述公共资源；
    其中，所述第一设备为所述终端群组内的第二终端，所述第二设备为接入网设备；或者，所述第一设备为接入网设备，所述第二设备为所述终端群组内的第二终端。
  9. 一种装置，其特征在于，包括：
    通信单元，用于接收旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数；以及，在所述第一配置信息配置的旁链路资 源上，与所述终端群组内的终端进行旁链路通信。
  10. 如权利要求9所述的装置，其特征在于，所述通信单元，还用于接收旁链路资源的第二配置信息；
    所述装置还包括处理单元，用于根据所述第二配置信息确定所述装置的资源池和/或旁链路BWP资源，所述资源池包括发送资源池和/或接收资源池，所述旁链路BWP资源包括旁链路发送资源和/或旁链路接收资源。
  11. 如权利要求10所述的装置，其特征在于，所述通信单元，具体用于从接入网设备接收所述第二配置信息。
  12. 如权利要求10或11所述的装置，其特征在于，所述通信单元，还用于向所述终端群组内的第二终端发送第三配置信息，所述第三配置信息用于所述第二终端确定所述第一终端的资源池和/或旁链路BWP。
  13. 如权利要求10所述的装置，其特征在于，所述通信单元，具体用于从所述终端群组内的第二终端接收所述第二配置信息。
  14. 如权利要求10或13所述的装置，其特征在于，所述通信单元，具体用于向接入网设备发送第四配置信息，所述第四配置信息用于所述接入网设备确定所述第一终端的资源池和/或旁链路BWP。
  15. 一种装置，其特征在于，包括：
    通信单元，用于向第一终端发送旁链路资源的第一配置信息，所述第一配置信息配置的旁链路资源包括一个终端群组内的N个终端的资源池或旁链路带宽部分BWP资源的公共资源，所述终端群组包括所述第一终端，N为正整数，所述第一配置信息配置的旁链路资源用于所述第一终端与所述终端群组内的终端进行旁链路通信。
  16. 如权利要求15所述的装置，其特征在于，所述通信单元，还用于从第二设备接收所述终端群组的群组信息；
    所述装置还包括处理单元，用于根据所述群组信息，确定所述公共资源；
    其中，所述装置为所述终端群组内的第二终端，所述第二设备为接入网设备；或者，所述装置为接入网设备，所述第二设备为所述终端群组内的第二终端。
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