WO2023116605A1 - 通信资源的确定方法、装置及终端 - Google Patents

通信资源的确定方法、装置及终端 Download PDF

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Publication number
WO2023116605A1
WO2023116605A1 PCT/CN2022/139912 CN2022139912W WO2023116605A1 WO 2023116605 A1 WO2023116605 A1 WO 2023116605A1 CN 2022139912 W CN2022139912 W CN 2022139912W WO 2023116605 A1 WO2023116605 A1 WO 2023116605A1
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Prior art keywords
time slot
symbol
time
resource unit
time slots
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English (en)
French (fr)
Inventor
李�灿
李�根
纪子超
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application belongs to the technical field of mobile communication, and in particular relates to a method, device and terminal for determining communication resources.
  • Sidelinks are used for direct data transmission between terminals without going through network devices.
  • the Sidelink link interface may also be called a PC5 interface.
  • the terminal also called user equipment (UE) schedules physical Transmission of the Physical Sidelink Shared Channel (PSSCH) to send sidelink data.
  • PSSCH Physical Sidelink Shared Channel
  • a new subcarrier spacing (SubCarrier Spacing, SCS) is introduced in the 52.6GHz-71GHz deployment frequency band, including 480kHz and 960kHz.
  • SCS Physical Downlink Control Channel
  • the SCI carried by one PSCCH can schedule multiple PSSCHs.
  • the resource unit of sidelink transmission is a slot, and the time domain position of the physical channel and physical signal in each slot is determined according to the protocol and high-level configuration, and each slot includes PSCCH and PSSCH channels. If one PSCCH is used to schedule multiple PSSCHs (multi-PSSCH) according to existing resource units, since the UE only monitors PSCCHs in certain slots, the resources of PSCCHs in non-monitored slots cannot be used, resulting in the location of the unmonitored PSCCHs. The problem of time domain resource waste.
  • Embodiments of the present application provide a method, device and terminal for determining communication resources, which can solve the problem of wasting resources in the time domain where PSCCHs that are not monitored are caused when multi-PSSCH scheduling is performed.
  • a method for determining communication resources which is applied to a terminal, and the method includes:
  • the terminal determines the time-domain position of the resource unit used for the side link, and the time-domain position of each physical channel in the resource unit; wherein the resource unit includes N time slots, and the N is greater than 1;
  • the terminal performs sidelink transmission based on the resource unit.
  • an apparatus for determining communication resources including:
  • a determining module configured to determine the time-domain position of the resource unit used for the side link, and the time-domain position of each physical channel in the resource unit; wherein the resource unit includes N time slots, and the N is greater than 1 ;
  • a transmission module configured to perform sidelink transmission based on the resource unit.
  • a terminal in a third aspect, includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, the following The steps of the method in one aspect.
  • a terminal including a processor and a communication interface, wherein the processor is used to determine the time-domain position of the resource unit used for the side link, and the time-domain position of each physical channel in the resource unit location; wherein, the resource unit includes N time slots, and the N is greater than 1; the communication interface is used for sidelink transmission based on the resource unit.
  • a fifth aspect provides a system for determining communication resources, including: a terminal and a network-side device, where the terminal can be used to execute the steps of the method for determining communication resources as described in the first aspect.
  • a readable storage medium on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or the steps as described in The steps of the method described in the third aspect.
  • a chip in a seventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect .
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the first aspect. The steps of the method for determining the communication resource.
  • the terminal determines the time-domain position of the resource unit used for the side link, and the time-domain position of each physical channel in the resource unit; wherein, the resource unit includes N time slots, and the The terminal performs sidelink transmission based on the resource unit; thus, when performing sidelink communication, the resource unit based on the time slot can be quickly and accurately determined, and the time domain position of each physical channel is clarified, so that the terminal can perform sidelink transmission. Operations such as PSCCH monitoring and data transmission of communication are more reasonable, and the resource utilization rate of side link communication is improved.
  • FIG. 1 is a schematic structural diagram of a wireless communication system applicable to an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a method for determining communication resources provided by an embodiment of the present application
  • FIG. 3 is a schematic flowchart of another method for determining communication resources provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of another method for determining communication resources provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of time-domain resource distribution of a resource unit provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of time-domain resource distribution of another resource unit provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of time-domain resource distribution of another resource unit provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an apparatus for determining communication resources provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a terminal implementing an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR) / virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device) , vehicle equipment (VUE), pedestrian terminal (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computers, PCs), teller machines or self-service Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (
  • the network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or Wireless access network unit.
  • RAN Radio Access Network
  • RAN Radio Access Network
  • Wireless access network unit Wireless access network unit
  • the access network device 12 may include a base station, a WLAN access point, or a WiFi node, etc., and the base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (Base Transceiver Station, BTS), a radio Base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (TRP) or all As long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in this embodiment of the application, only the base station in the NR system is used as an example for introduction, and The specific type of the base station is not limited.
  • Core network equipment may include but not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (Policy Control Function, PCF), Policy and Charging Rules Function (PCRF), edge application service Discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), centralized network configuration ( Centralized network configuration, CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should be noted that, in the embodiment of the present application, only the core
  • the embodiment of the present application provides a method for determining communication resources.
  • the execution subject of the method may be a terminal performing sidelink communication, including a sending end and a receiving end.
  • the method may be installed in terminal software or hardware to execute.
  • Step 210 the terminal determines the time-domain position of the resource unit used for the sidelink, and the time-domain position of each physical channel in the resource unit; wherein, the resource unit includes N time slots.
  • the N may be specified by a protocol or configured by a high layer on the network side.
  • N is determined based on the resource pool configured for the terminal, where the resource pool configured for the terminal may be all resource pools, or a first resource pool group including the first resource pool, or the first resource pool.
  • the first resource pool is a resource pool configured for the terminal to perform sidelink transmission, including a resource pool of time-frequency domain resources available for sidelink, including time slots available for sidelink, and available for each time slot First symbol for sidelink.
  • the terminal can configure one or more first resource pools for sidelink by the upper layer of the network side,
  • the time slot can be set according to actual needs.
  • the time slot can be determined for the first subcarrier interval of the bandwidth part (BandWidth Part, BWP) where the first resource pool is located; wherein, the The first resource pool is a resource pool configured for the terminal to perform sidelink transmission, and the first subcarrier spacing may be represented as SCS2, for example, it may be 480kHz or 960kHz;
  • the first symbol is determined by at least one of the following:
  • the protocol specification includes specifying the number of first symbols in the time slot; for example, the protocol specifies that except for the time slot where the PSCCH contained in the resource unit is located, the number of first symbols in other time slots is all the time slots of the time slot. symbol.
  • the network-side high-level configuration includes configuring a first parameter S and a second parameter L; wherein, the first parameter S is used to indicate an index value corresponding to the first first symbol in the time slot, and the second parameter L is used to indicate the number of consecutive first symbols in the time slot, that is, the starting position of the first symbol allocated to the first resource pool in the time slot is determined by S, and the first resource allocated in the time slot is determined by L The number of consecutive symbols for the pool.
  • the embodiment of the present application also provides the time-domain position of each physical channel in the resource unit, which may specifically include at least one of the following time-domain positions.
  • Physical Sidelink Feedback Channel Physical Sidelink Feedback Channel, PSFCH
  • GAP GAP Protection symbol
  • AGC Automatic Gain Control
  • Step 220 the terminal performs sidelink transmission based on the resource unit.
  • the terminal determines the time-domain position of the resource unit used for the sidelink, and the time-domain position of each physical channel in the resource unit; wherein, the The resource unit includes N time slots; the terminal performs sidelink transmission based on the resource unit, so that the resource unit based on the time slot can be quickly and accurately determined during the sidelink communication, and the time slot of each physical channel is specified.
  • the location of the domain makes it more reasonable for the terminal to perform operations such as PSCCH monitoring and data transmission of the sidelink communication, and improves the resource utilization of the sidelink communication.
  • the step 210 includes the following steps.
  • Step 310 Determine a first time slot set, where the first time slot set includes all time slots within a first time period, and the number of time slots that may be included in the first time slot set may be denoted as T1.
  • the first time is specified by a protocol or configured by a high layer on the network side, and may be, for example, 0 to 1023 wireless frames.
  • Step 320 excluding the first time slot and/or the second time slot from the first time slot set to obtain a second time slot set.
  • the first time slot is a time slot configured for system information transmission
  • the second time slot is a time slot satisfying the first condition
  • the first condition is that the time slot includes a first symbol configured as a non-uplink symbol, and the first symbol is a symbol configured for a sidelink in the time slot.
  • the first symbol configured as a non-uplink symbol may include: a first symbol configured as a downlink symbol by a high layer on the network side and a first symbol configured as a flexible symbol. It is equivalent to that the first symbols allocated to the first resource pool in the time slots constituting the second time slot set are all configured as uplink symbols.
  • the process of excluding the first time slot and the second time slot from the first time slot set is in no particular order, the first time slot may be excluded from the first time slot set first, and then the first time slot may be excluded from the first time slot set.
  • the second time slot is excluded, or the second time slot may be excluded first from the first time slot set, and then the first time slot is excluded.
  • the first time slot is excluded first and then the second time slot is excluded as an example for illustration.
  • the time slot set includes The number of time slots is denoted as T2, and the number of time slots included in the second set of time slots is denoted as T3.
  • Step 330 based on the way of bit mapping, filter the time slots satisfying the second condition from the second set of time slots to obtain the third set of time slots;
  • the second condition is, according to the bit length of the bitmap, bits in the second time slot set corresponding to each time slot are determined, and the value of the bit is 1.
  • the relevant parameters of the way of bit mapping may be stipulated by the protocol or configured by a high layer on the network side.
  • the bit length of the configuration bitmap is F
  • T4 The number of time slots is denoted as T4.
  • Step 340 According to the number of time slots and N of the third time slot set, divide each group including at least N time slots from the third time slot set as resource units for the side link.
  • the time slots in the third set of time slots are grouped based on the configured number N of time slots included in each resource unit.
  • the number of groups divide each group including at least N time slots from the third time slot set, and use the grouping results as candidate resource units in the first resource pool. Among them, if the number of groups is It means that the remaining less than N time slots are not enough to form a group; if the number of groups is It means that the number of time slots included in at least one group is less than or equal to the N.
  • the index values of all time slots in the third time slot set can be expressed as ⁇ 0, 1, 2... , T4-2, T4-1 ⁇ .
  • the grouping result can be ⁇ 0, 1, 2, 3 ⁇ , ⁇ 4, 5, 6, 7 ⁇ , ..., if T4 is not a multiple of 4, the remaining time slots will be less than 4, According to the grouping results, it can be obtained candidate resource units.
  • the number of groups is In the case of grouping, the grouping result can be ⁇ 0, 1, 2, 3 ⁇ , ⁇ 4, 5, 6, 7 ⁇ , ..., if T4 is not a multiple of 4, the time slot included in the last grouping The number will be less than N stated.
  • the resource unit used for the sidelink satisfies at least one of the following:
  • the index value interval of two consecutive time slots in the resource unit is greater than the first threshold
  • the maximum value of the index value intervals of all time slots in the resource unit is greater than the second threshold
  • the first threshold and/or the second threshold may be specified by a protocol or configured by a high layer on the network side.
  • the index value of the time slot is determined based on the ordering in the time slot set where the time slot is located;
  • time slot set where the time slot is located is one of the following:
  • the first set of time slots includes T1 time slots, and the number from 0 to T1-1 can be used as the index value of each time slot;
  • the third set of time slots obtained by filtering from the second set of time slots based on bit mapping includes T4 time slots, which can be used as the number of each time slot according to the number of 0 to T4-1 index value.
  • the manner of determining the index value of the time slot may be stipulated by a protocol or configured by a high layer on the network side.
  • Step 350 determine the time domain position of each physical channel in the resource unit, including:
  • the embodiments of the present invention determine the first time slot set according to all time slots in the first time period, and exclude the first time slot and/or the second time slot to obtain the second time slot set. slot set, and then filter out the third time slot set based on bit mapping, and determine the resource units including N time slots, so that the resource units based on time slots can be quickly and accurately determined during sidelink communication, And the time domain position of each physical channel is clarified, so that the terminal performs operations such as PSCCH monitoring and data transmission of the side link communication more reasonably, and improves the resource utilization rate of the side link communication.
  • the step 210 includes the following steps.
  • Step 410 Determine a first time slot set, where the first time slot set includes all time slots within a first time period, and the number of time slots that may be included in the first time slot set may be denoted as T1.
  • the first time is specified by a protocol or configured by a high layer on the network side, and may be, for example, 0 to 1023 wireless frames.
  • Step 420 According to the number of time slots and N of the first time slot set, divide each group including at least N time slots from the first time slot set as candidate resource units.
  • the manner of dividing the first time slot set may be similar to the manner of dividing the time slots in the third time slot set in the foregoing embodiment.
  • the time slots in the first set of time slots are grouped based on the configured number N of time slots included in each resource unit. First determine the number of groups according to the number of time slots and N of the first time slot set, and the number of groups can be an integer taken from the ratio of T1 to N or round up Then according to the number of groups, divide each group including at least N time slots from the first time slot set, and use the grouping results as candidate resource units in the first resource pool. Among them, if the number of groups is It means that the remaining less than N time slots are not enough to form a group; if the number of groups is It means that the number of time slots included in at least one group is less than or equal to N.
  • Step 430 excluding the resource units including the first time slot and/or the second time slot from the candidate resource units;
  • the first time slot is a time slot configured for system information transmission
  • the second time slot is a time slot satisfying the first condition
  • the first condition is that the time slot includes a first symbol configured as a non-uplink symbol, and the first symbol is a symbol configured for a sidelink in the time slot.
  • the process of excluding the resource units including the first time slot and the resource units including the second time slot from the candidate resource units is in no particular order, and the resources including the first time slot may be excluded first, and then the resources including the first time slot may be excluded.
  • the resource units of the second time slot and vice versa.
  • the resources including the first time slot are excluded first, and then the resource units including the second time slot are excluded as an example for illustration.
  • Step 440 Select resource units satisfying the third condition from the candidate resource units based on bit mapping as resource units for the sidelink;
  • the third condition is, according to the bit length of the bitmap, the bit corresponding to each resource unit among the candidate resource units is determined, and the value of the bit is 1.
  • the bit length of the configuration bitmap is F
  • the value is 1, the resource unit corresponding to the bit B' is used as the resource unit for the side link.
  • the resource unit used for the sidelink satisfies at least one of the following:
  • the index value interval of two consecutive time slots in the resource unit is greater than the first threshold
  • the maximum value of the index value intervals of all time slots in the resource unit is greater than the second threshold
  • the first threshold and/or the second threshold may be specified by a protocol or configured by a high layer on the network side.
  • the index value of the time slot may be determined based on the ordering of the time slot in the first time slot set, and the first time slot set includes T1 time slots, which may be in accordance with 0 ⁇ T1- The number of 1 is used as the index value of each time slot.
  • Step 450 determine the time domain position of each physical channel in the resource unit, including:
  • the embodiments of the present invention determine the first set of time slots according to all time slots in the first time period, and divide each group of candidate resource units including at least N time slots, Exclude the resource units including the first time slot and/or the second time slot, and then filter out the resource units used for the sidelink based on bit mapping, so that when performing sidelink communication, it can quickly and accurately determine the time-based
  • the resource unit of the slot and the time domain position of each physical channel are clarified, which makes the PSCCH monitoring and data transmission of the sidelink communication by the terminal more reasonable, and improves the resource utilization of the sidelink communication.
  • step 210 there may be various ways of determining the time-domain positions of the physical channels in the resource units.
  • the embodiments of the present application are directed to some specific implementations of the time-domain positions of the physical channels. .
  • the time domain position of the PSCCH is in the first designated time slot S1 of the resource unit; wherein, the first designated time slot is specified by the protocol or configured by a high-level layer on the network side, and the first designated time slot A designated time slot may be a time slot with an index value of m1 in the resource unit.
  • the terminal determines to set In the time slot with an index value of 0 in the resource unit, that is, to send or receive the PSCCH in the first time slot, the receiving terminal will perform PSCCH monitoring in the determined first designated time slot to obtain the SCI carried in the PSCCH, to determine the PSSCH scheduled by the SCI.
  • the symbol position of the PSCCH starts from the N1th first symbol in the first specified time slot; wherein, the first symbol is configured for the side link in the time slot symbols, and the symbol lengths of N1 and PSCCH are specified by the protocol or configured by a high-level layer on the network side.
  • the index value of the time slot ranges from 0 to 3
  • the symbol length of the PSCCH is 2, then in the time slot where the index value of the resource element is 0, that is, in the first time slot, the symbol position of the PSCCH is from the second to the first symbol, that is, the 2 first symbols starting with symbol 2.
  • the time domain position of the PSSCH is the second designated time slot S2 of the resource unit; wherein, the second designated time slot is specified by the protocol or configured by a high layer on the network side, and the second designated time slot
  • the time slot may be a time slot with an index value m2 in the resource unit, 0 ⁇ m2 ⁇ N-1, m2 may include multiple index values, and the second designated time slot may include the first designated time slot Gap.
  • the first parameter S and the second parameter L configured by the high layer on the network side; wherein, the first parameter S is used to indicate the index value corresponding to the first first symbol in the time slot, and the second parameter L is used for Indicates the number of consecutive first symbols in the time slot, where the first symbol is a symbol configured for the side link in the time slot, that is, the number of the first symbols allocated to the first resource pool in the time slot is determined by S The starting position, the number of consecutive symbols allocated to the first resource pool in the time slot is determined by L.
  • the symbol position of the PSSCH starts from the N2th first symbol in each time slot of the resource unit.
  • the symbol position of the PSSCH starts from the N2th time slot of the second designated time slot A symbol starts.
  • the second designated time slot is not the first time slot of the resource unit, start from the first first symbol of the second designated time slot, that is, start from the second designated time slot
  • the first first symbol of that is, the symbol S starts.
  • N2 N1 in the first designated time slot.
  • Configure m2 0, 1, 2, 3 corresponding to the second specified time slot, that is, PSSCH is configured in each time slot of the resource unit.
  • the symbol position of the PSSCH in the first time slot starts from the second first symbol, that is, symbol 2; in other time slots of the resource unit In a slot, the symbol position of the PSSCH starts from the first first symbol, that is, symbol 1.
  • the symbols used to transmit the PSSCH may include all other first symbols in the time slot except the first symbol used to transmit at least one of the following:
  • the time domain position of the PSFCH is the time slot S3 for transmitting the PSFCH determined according to N and the first period N PSFCH ; wherein, the first period is configured by the network side high layer for transmission Period of the physical sidelink feedback channel.
  • the symbol position of the PSFCH is the penultimate N3 first symbol of the first symbol of the time slot used to transmit the PSFCH; wherein, the N3 is specified by a protocol or configured by a high-level layer on the network side.
  • the time domain position of the GAP is determined by at least one of the following:
  • the N4 is specified by a protocol or configured by a high layer on the network side.
  • N4 for the PSSCH and PSFCH may be configured as the same value, or different values may be configured respectively, wherein, for the GAP of the PSFCH, the N4 satisfies N4 ⁇ N2-1.
  • the AGC has a function of power adjustment, which is specifically manifested as repeated transmission of transmission content carried by at least one of the following channels: PSCCH, PSSCH, and PSFCH, and the time domain position of the AGC is determined by at least one of the following:
  • the third designated time slot of the resource unit is used to indicate the time slot including the AGC corresponding to PSCCH and PSSCH, that is, if the third designated time slot is configured, when the third designated time slot
  • the slot contains the AGC corresponding to the PSCCH and PSSCH, otherwise, each time slot contains the AGC corresponding to the PSCCH and PSSCH;
  • the N5 is specified by the protocol or configured by a high-level layer on the network side;
  • the third specified time slot is specified by the protocol or configured by a high layer on the network side.
  • N5 for the PSCCH, PSSCH, and PSFCH can be configured as the same value, or different values can be configured respectively, wherein, for the AGC of the PSCCH, the N5 of the AGC satisfies N5 ⁇ N1+1; for the PSSCH AGC, the N5 of the AGC satisfies N5 ⁇ N2+1.
  • the first first symbol of PSCCH, PSSCH and PSFCH in each time slot is repeatedly transmitted in the previous first symbol, that is, the first symbol of PSCCH is repeatedly transmitted in symbol 1.
  • the first symbol and the first first symbol of the PSSCH, and the first first symbol of the PSFCH is repeatedly transmitted in symbol 10.
  • N1, N3, N4 and N5 in the above embodiment are related to the first subcarrier spacing of the BWP where the first resource pool is located.
  • the embodiments of the present invention determine the time-domain positions of each physical channel in the resource unit, so that the time-domain position of each physical channel can be clarified when sidelink communication is performed, so that the terminal can perform Operations such as PSCCH monitoring and data transmission of the sidelink communication are more reasonable, which improves resource utilization of the sidelink communication.
  • the method for determining a communication resource provided in the embodiment of the present application may be executed by an apparatus for determining a communication resource.
  • the method for determining the communication resource performed by the device for determining the communication resource is taken as an example to describe the device for determining the communication resource provided in the embodiment of the present application.
  • the device for determining communication resources includes: a determination module 801 and a transmission determination module.
  • the determining module 801 is used to determine the time-domain position of the resource unit used for the side link, the time-domain position of each physical channel in the resource unit; wherein, the resource unit includes N time slots, and the N is greater than 1;
  • the transmission module 802 is configured to transmit sidelink data based on the resource unit.
  • the N is specified by a protocol or configured by a high layer on the network side.
  • time slot is determined based on the following subcarrier spacing:
  • the second subcarrier spacing for reference; wherein, the first subcarrier spacing is an integer multiple of the second subcarrier spacing.
  • the determination module is used to determine the time domain position of at least one of the following resource units:
  • the terminal determines the time-domain position of the resource unit used for the sidelink, and the time-domain position of each physical channel in the resource unit; wherein, the The resource unit includes N time slots, so that the resource unit based on the time slot can be quickly and accurately determined during sidelink communication, and the time domain position of each physical channel is clarified, so that the device can perform PSCCH monitoring and monitoring of sidelink communication. Operations such as data transmission are more reasonable, which improves the resource utilization of sidelink communication.
  • the determining module is configured to determine a first time slot set, where the first time slot set includes all time slots within the first time period.
  • the determination module is further configured to exclude the first time slot and/or the second time slot from the first time slot set to obtain a second time slot set;
  • the first time slot is a time slot configured for system information transmission
  • the second time slot is a time slot satisfying the first condition
  • the first condition is that the time slot includes a first symbol configured as a non-uplink symbol, and the first symbol is a symbol configured for a sidelink in the time slot.
  • the determination module is further configured to screen out the time slots satisfying the second condition from the second set of time slots based on bit mapping, to obtain a third set of time slots;
  • the second condition is, according to the bit length of the bitmap, bits in the second time slot set corresponding to each time slot are determined, and the value of the bit is 1.
  • the determining module is further configured to divide each group from the third set of time slots according to the number of time slots and N of the third set of time slots to include at least N A group of time slots is used as a resource unit for the side link.
  • the first time is specified by a protocol or configured by a high layer on the network side.
  • the first symbol is determined by at least one of the following:
  • the protocol specification includes specifying the number of first symbols in the time slot
  • the first parameter is used to indicate an index value corresponding to the first first symbol in the time slot
  • the second parameter is used to indicate the number of consecutive first symbols in the time slot.
  • the resource unit used for the side link satisfies at least one of the following:
  • the index value interval of two consecutive time slots in the resource unit is greater than the first threshold
  • a maximum value of index value intervals of all time slots in the resource unit is greater than a second threshold.
  • the index value of the time slot is determined based on the ordering in the time slot set where the time slot is located;
  • time slot set where the time slot is located is one of the following:
  • a second set of time slots obtained after excluding the first time slot and/or the second time slot from the first set of time slots;
  • a third set of time slots obtained by filtering from the second set of time slots based on bit mapping.
  • the embodiments of the present invention determine the first time slot set according to all time slots in the first time period, and exclude the first time slot and/or the second time slot to obtain the second time slot set. slot set, and then filter out the third time slot set based on bit mapping, and determine the resource units including N time slots, so that the resource units based on time slots can be quickly and accurately determined during sidelink communication, And the time domain position of each physical channel is clarified, so that the device performs operations such as PSCCH monitoring and data transmission of the sidelink communication more reasonably, and improves the resource utilization rate of the sidelink communication.
  • the determining module is configured to determine a first time slot set, where the first time slot set includes all time slots within the first time period.
  • the determination module is further configured to divide each group from the first set of time slots according to the number of time slots and N of the first set of time slots to include at least N A group of time slots is used as a candidate resource unit.
  • the determination module is further configured to exclude resource units including the first time slot and/or the second time slot from the candidate resource units;
  • the first time slot is a time slot configured for system information transmission
  • the second time slot is a time slot satisfying the first condition
  • the first condition is that the time slot includes a first symbol configured as a non-uplink symbol, and the first symbol is a symbol configured for a sidelink in the time slot.
  • the determination module is further configured to screen the candidate resource units satisfying the first time slot based on bit mapping.
  • the resource unit of the three conditions is used as the resource unit for the sidelink;
  • the third condition is, according to the bit length of the bitmap, the bit corresponding to each resource unit among the candidate resource units is determined, and the value of the bit is 1.
  • the first time is specified by a protocol or configured by a high layer on the network side.
  • the first symbol is determined by at least one of the following:
  • the protocol specification includes specifying the number of first symbols in the time slot
  • the first parameter is used to indicate an index value corresponding to the first first symbol in the time slot
  • the second parameter is used to indicate the number of consecutive first symbols in the time slot.
  • the resource unit used for the side link satisfies at least one of the following:
  • the index value interval of two consecutive time slots in the resource unit is greater than the first threshold
  • a maximum value of index value intervals of all time slots in the resource unit is greater than a second threshold.
  • the index value of the time slot is determined based on the ordering in the time slot set where the time slot is located;
  • time slot set where the time slot is located is one of the following:
  • a second set of time slots obtained after excluding the first time slot and/or the second time slot from the first set of time slots;
  • a third set of time slots obtained by filtering from the second set of time slots based on bit mapping.
  • the embodiments of the present invention determine the first set of time slots according to all time slots in the first time period, and divide each group of candidate resource units including at least N time slots, Exclude the resource units including the first time slot and/or the second time slot, and then filter out the resource units used for the sidelink based on bit mapping, so that when performing sidelink communication, it can quickly and accurately determine the time-based
  • the resource unit of the slot, and the time domain position of each physical channel are clarified, so that the device performs operations such as PSCCH monitoring and data transmission of the sidelink communication more reasonably, and improves the resource utilization rate of the sidelink communication.
  • the determining module is configured to determine the time domain position of at least one of the following resource units:
  • the time domain position of the physical sidelink control channel is in the first designated time slot of the resource unit; wherein, the first designated time slot is specified by a protocol or configured by a high layer on the network side.
  • the symbol position of the physical sidelink control channel starts from the N1th first symbol in the first specified time slot; wherein, the first symbol is configured for the sidelink in the time slot channel symbols, and the symbol lengths of the N1 and PSCCH are specified by the protocol or configured by a higher layer on the network side.
  • time domain position of the physical sidelink shared channel is determined by at least one of the following:
  • the second designated time slot of the resource unit wherein, the second designated time slot is specified by the protocol or configured by a high-level layer on the network side;
  • the first parameter and the second parameter configured by the high layer on the network side; wherein, the first parameter is used to indicate the index value corresponding to the first first symbol in the time slot, and the second parameter is used to indicate the time slot The number of consecutive first symbols in the slot, where the first symbols are symbols configured for the sidelink in the slot.
  • the symbol position of the physical sidelink shared channel is determined by at least one of the following:
  • the second designated time slot is the first time slot of the resource unit, starting from the N2th first symbol of the second designated time slot;
  • the second designated time slot is not the first time slot of the resource unit, start from the first first symbol of the second designated time slot.
  • the time domain position of the physical sidelink feedback channel is a time slot for transmitting the physical sidelink feedback channel determined according to N and the first cycle; wherein, the first cycle is configured by the network side high layer The period used to transmit the physical sidelink feedback channel.
  • the symbol position of the physical sidelink feedback channel is the penultimate N3 first symbol in the first symbol of the time slot used to transmit the physical sidelink feedback channel; wherein, the N3 is specified by the protocol or the network Side high-level configuration.
  • time domain position of the guard symbol is determined by at least one of the following:
  • N4 consecutive first symbols following the last symbol of the physical sidelink shared channel
  • N4 consecutive first symbols following the last symbol of the physical sidelink feedback channel
  • the N4 is specified by a protocol or configured by a high layer on the network side.
  • time domain position of the automatic gain control is determined by at least one of the following:
  • the N5 is specified by the protocol or configured by a high-level layer on the network side;
  • the third specified time slot is specified by the protocol or configured by a high layer on the network side.
  • the embodiments of the present invention determine the time-domain positions of each physical channel in the resource unit, so that the time-domain position of each physical channel can be clarified when sidelink communication is performed, so that the terminal can perform Operations such as PSCCH monitoring and data transmission of the sidelink communication are more reasonable, which improves resource utilization of the sidelink communication.
  • the apparatus for determining communication resources in this embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in the electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or other devices other than the terminal.
  • the terminal may include, but not limited to, the types of terminal 11 listed above, and other devices may be servers, Network Attached Storage (NAS), etc., which are not specifically limited in this embodiment of the present application.
  • NAS Network Attached Storage
  • the device for determining communication resources provided by the embodiment of the present application can realize various processes realized by the method embodiments in FIG. 2 to FIG. 7 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • this embodiment of the present application also provides a communication device 900, including a processor 901 and a memory 902, and the memory 902 stores programs or instructions that can run on the processor 901, such as , when the communication device 900 is a terminal, when the program or instruction is executed by the processor 901, each step of the above embodiment of the method for determining communication resources can be implemented, and the same technical effect can be achieved.
  • the communication device 900 is a network-side device, when the program or instruction is executed by the processor 901, the steps of the above-mentioned method for determining communication resources can be implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the processor is used to determine the time domain position of the resource unit used for the side link, and the time domain position of each physical channel in the resource unit; wherein, The resource unit includes N time slots.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 10 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010. At least some parts.
  • the terminal 1000 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 1010 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components, which will not be repeated here.
  • the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072 .
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1001 may transmit it to the processor 1010 for processing; in addition, the radio frequency unit 1001 may send the uplink data to the network side device.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 1009 can be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playing function, image playback function, etc.), etc.
  • memory 1009 may include volatile memory or nonvolatile memory, or, memory 1009 may include both volatile and nonvolatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM erasable programmable read-only memory
  • Electrical EPROM Electrical EPROM
  • EEPROM electronically programmable Erase Programmable Read-Only Memory
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM , SLDRAM
  • Direct Memory Bus Random Access Memory Direct Rambus
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to the operating system, user interface, and application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 1010 .
  • the processor 1010 is configured to determine the time-domain position of the resource unit used for the sidelink, and the time-domain position of each physical channel in the resource unit; wherein, the resource unit includes N time slots.
  • the N is specified by a protocol or configured by a high layer on the network side.
  • time slot is determined based on the following subcarrier spacing:
  • the second subcarrier spacing for reference; wherein, the first subcarrier spacing is an integer multiple of the second subcarrier spacing.
  • the determining the time-domain position of each physical channel in the resource unit includes:
  • the embodiment of the present application can quickly and accurately determine the resource unit based on the time slot when performing sidelink communication, and clarify the time domain position of each physical channel, so that the terminal performs operations such as PSCCH monitoring and data transmission of sidelink communication more easily. It is reasonable and improves the resource utilization rate of the sidelink communication.
  • the processor 1010 is configured to determine a first time slot set, where the first time slot set includes all time slots within a first time period.
  • the processor 1010 is further configured to:
  • the first time slot is a time slot configured for system information transmission
  • the second time slot is a time slot satisfying the first condition
  • the first condition is that the time slot includes a first symbol configured as a non-uplink symbol, and the first symbol is a symbol configured for a sidelink in the time slot.
  • the processor 1010 is further configured to:
  • the second condition is, according to the bit length of the bitmap, bits in the second time slot set corresponding to each time slot are determined, and the value of the bit is 1.
  • the processor 1010 is further configured to:
  • each group including at least N time slots is divided from the third time slot set as resource units for the side link.
  • the first time is specified by a protocol or configured by a high layer on the network side.
  • the first symbol is determined by at least one of the following:
  • the protocol specification includes specifying the number of first symbols in the time slot
  • the first parameter is used to indicate an index value corresponding to the first first symbol in the time slot
  • the second parameter is used to indicate the number of consecutive first symbols in the time slot.
  • the resource unit used for the side link satisfies at least one of the following:
  • the index value interval of two consecutive time slots in the resource unit is greater than the first threshold
  • a maximum value of index value intervals of all time slots in the resource unit is greater than a second threshold.
  • the index value of the time slot is determined based on the ordering in the time slot set where the time slot is located;
  • time slot set where the time slot is located is one of the following:
  • a second set of time slots obtained after excluding the first time slot and/or the second time slot from the first set of time slots;
  • a third set of time slots obtained by filtering from the second set of time slots based on bit mapping.
  • the embodiment of the present application can quickly and accurately determine the resource unit based on the time slot when performing sidelink communication, and clarify the time domain position of each physical channel, so that the terminal performs operations such as PSCCH monitoring and data transmission of sidelink communication more easily. It is reasonable and improves the resource utilization rate of the sidelink communication.
  • the processor 1010 is further configured to:
  • each group including at least N time slots is divided from the first time slot set as candidate resource units.
  • the processor 1010 is further configured to:
  • the first time slot is a time slot configured for system information transmission
  • the second time slot is a time slot satisfying the first condition
  • the first condition is that the time slot includes a first symbol configured as a non-uplink symbol, and the first symbol is a symbol configured for a sidelink in the time slot.
  • the processor 1010 is further configured to:
  • the third condition is the bit corresponding to each resource unit among the candidate resource units determined according to the bit length of the bitmap, and the resource unit whose value of the bit is 1.
  • the embodiment of the present application can quickly and accurately determine the resource unit based on the time slot when performing sidelink communication, and clarify the time domain position of each physical channel, so that the terminal performs operations such as PSCCH monitoring and data transmission of sidelink communication more easily. It is reasonable and improves the resource utilization rate of the sidelink communication.
  • the processor 1010 is configured to: determine the time domain position of at least one of the following resource units:
  • the time domain position of the physical sidelink control channel is in the first designated time slot of the resource unit; wherein, the first designated time slot is specified by a protocol or configured by a high layer on the network side.
  • the symbol position of the physical sidelink control channel starts from the N1th first symbol in the first specified time slot; wherein, the first symbol is configured for the sidelink in the time slot channel symbols, and the symbol lengths of the N1 and PSCCH are specified by the protocol or configured by a higher layer on the network side.
  • time domain position of the physical sidelink shared channel is determined by at least one of the following:
  • the second designated time slot of the resource unit wherein, the second designated time slot is specified by the protocol or configured by a high-level layer on the network side;
  • the first parameter and the second parameter configured by the high layer on the network side; wherein, the first parameter is used to indicate the index value corresponding to the first first symbol in the time slot, and the second parameter is used to indicate the time slot The number of consecutive first symbols in the slot, where the first symbols are symbols configured for the sidelink in the slot.
  • the symbol position of the physical sidelink shared channel is determined by at least one of the following:
  • the second designated time slot is the first time slot of the resource unit, starting from the N2th first symbol of the second designated time slot;
  • the second designated time slot is not the first time slot of the resource unit, start from the first first symbol of the second designated time slot.
  • the time domain position of the physical sidelink feedback channel is a time slot for transmitting the physical sidelink feedback channel determined according to N and the first cycle; wherein, the first cycle is configured by the network side high layer The period used to transmit the physical sidelink feedback channel.
  • the symbol position of the physical sidelink feedback channel is the penultimate N3 first symbol in the first symbol of the time slot used to transmit the physical sidelink feedback channel; wherein, the N3 is specified by the protocol or the network Side high-level configuration.
  • time domain position of the guard symbol is determined by at least one of the following:
  • N4 consecutive first symbols following the last symbol of the physical sidelink shared channel
  • N4 consecutive first symbols following the last symbol of the physical sidelink feedback channel
  • the N4 is specified by a protocol or configured by a high layer on the network side.
  • time domain position of the automatic gain control is determined by at least one of the following:
  • the N5 is specified by the protocol or configured by a high-level layer on the network side;
  • the third specified time slot is specified by the protocol or configured by a high layer on the network side.
  • the embodiment of the present invention can clarify the time-domain position of each physical channel when sidelink communication is performed, so that operations such as PSCCH monitoring and data transmission performed by the terminal in sidelink communication are more reasonable, and the resource utilization rate of sidelink communication is improved.
  • the embodiment of the present application also provides a readable storage medium.
  • the readable storage medium stores a program or an instruction.
  • the program or instruction is executed by the processor, each process in the above embodiment of the communication resource determination method is implemented, and can To achieve the same technical effect, in order to avoid repetition, no more details are given here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method for determining communication resources described above
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the method for determining communication resources described above
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • An embodiment of the present application further provides a computer program/program product, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the above method for determining communication resources
  • the various processes of the embodiment can achieve the same technical effect, so in order to avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a system for determining communication resources, including: a terminal and a network side device, and the terminal can be used to execute the steps of the method for determining communication resources as described above.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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Abstract

本申请公开了一种通信资源的确定方法、装置及终端,属于移动通信领域。本申请实施例的通信资源的确定方法包括:终端确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙;所述终端基于所述资源单元进行旁链路传输。

Description

通信资源的确定方法、装置及终端
相关申请的交叉引用
本申请要求在2021年12月20日提交的中国专利申请第202111564267.X号的优先权,该中国专利申请的全部内容通过引用包含于此。
技术领域
本申请属于移动通信技术领域,具体涉及一种通信资源的确定方法、装置及终端。
背景技术
旁链路(sidelink),也称为副链路、直连链路、侧链路、边链路等),用于终端之间不通过网络设备进行直接数据传输。Sidelink链路接口又可以称作PC5接口。在sidelink上,终端,也称为用户设备(User Equipment,UE)通过发送包含旁链路控制信息(Sidelink Control Information,SCI)的物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH),调度物理旁链路共享信道(Physical Sidelink Shared Channel,PSSCH)的传输以发送sidelink数据。在52.6GHz-71GHz部署频段引入了新的子载波间隔(SubCarrier Spacing,SCS),包括480kHz和960kHz。针对这些新引入的SCS,物理旁链路下行控制信道(Physical Downlink Control Channel,PSCCH)监测需要作相应的调整或增强,例如避免UE,在每个时隙(Slot)内都需要监测PSCCH,以降低UE实现复杂度。为了提高频谱效率,一个PSCCH承载的SCI可以调度多个PSSCH。
sidelink传输的资源单元是1个slot,在每个slot内物理信道和物理信号的时域位置是按照协议规定及高层配置确定的,且每个slot都包含PSCCH及PSSCH信道。如果按照现有的资源单元进行一个PSCCH调度多个PSSCH(multi-PSSCH),由于UE只在某些slot监测PSCCH,对于非监测slot的 PSCCH的资源不能被使用,从而造成不被监测的PSCCH所在时域资源浪费的问题。
发明内容
本申请实施例提供一种通信资源的确定方法、装置及终端,能够解决进行multi-PSSCH调度时,造成不被监测的PSCCH所在时域资源浪费的问题。
第一方面,提供了一种通信资源的确定方法,应用于终端,该方法包括:
终端确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述N大于1;
所述终端基于所述资源单元进行旁链路传输。
第二方面,提供了一种通信资源的确定的装置,包括:
确定模块,用于确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述N大于1;
传输模块,用于基于所述资源单元进行旁链路传输。
第三方面,提供了一种终端,该终端包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第四方面,提供了一种终端,包括处理器及通信接口,其中,所述处理器用于确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述N大于1;所述通信接口用于基于所述资源单元进行旁链路传输。
第五面,提供了一种通信资源的确定系统,包括:终端及网络侧设备,所述终端可用于执行如第一方面所述的通信资源的确定方法的步骤。
第六方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤, 或者实现如第三方面所述的方法的步骤。
第七方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如第一方面所述的方法。
第八方面,提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现如第第一方面所述的通信资源的确定方法的步骤。
在本申请实施例中,通过终端确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述终端基于所述资源单元进行旁链路传输;从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
附图说明
图1是本申请实施例可应用的一种无线通信系统的结构示意图;
图2是本申请实施例提供的一种通信资源的确定方法的流程示意图;
图3是本申请实施例提供的另一种通信资源的确定方法的流程示意图;
图4是本申请实施例提供的另一种通信资源的确定方法的流程示意图;
图5是本申请实施例提供的一种资源单元的时域资源分布示意图;
图6是本申请实施例提供的另一种资源单元的时域资源分布示意图;
图7是本申请实施例提供的另一种资源单元的时域资源分布示意图;
图8是本申请实施例提供的一种通信资源的确定装置的结构示意图;
图9是本申请实施例提供的一种通信设备结构示意图;
图10为实现本申请实施例的一种终端的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但是这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11可以是手机、平板电脑(Tablet  Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(VUE)、行人终端(PUE)、智能家居(具有无线通信功能的家居设备,如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(personal computer,PC)、柜员机或者自助机等终端侧设备,可穿戴式设备包括:智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以包括接入网设备或核心网设备,其中,接入网设备12也可以称为无线接入网设备、无线接入网(Radio Access Network,RAN)、无线接入网功能或无线接入网单元。接入网设备12可以包括基站、WLAN接入点或WiFi节点等,基站可被称为节点B、演进节点B(eNB)、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、家用B节点、家用演进型B节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例进行介绍,并不限定基站的具体类型。核心网设备可以包含但不限于如下至少一项:核心网节点、核心网功能、移动管理实体(Mobility Management Entity,MME)、接入移动管理功能(Access and Mobility Management Function,AMF)、会话管理功能(Session Management Function,SMF)、用户平面功能(User Plane Function,UPF)、策略控制功能(Policy Control Function,PCF)、策略与计费规则功能单元(Policy and Charging Rules Function,PCRF)、边缘应用服务发现功能 (Edge Application Server Discovery Function,EASDF)、统一数据管理(Unified Data Management,UDM),统一数据仓储(Unified Data Repository,UDR)、归属用户服务器(Home Subscriber Server,HSS)、集中式网络配置(Centralized network configuration,CNC)、网络存储功能(Network Repository Function,NRF),网络开放功能(Network Exposure Function,NEF)、本地NEF(Local NEF,或L-NEF)、绑定支持功能(Binding Support Function,BSF)、应用功能(Application Function,AF)等。需要说明的是,在本申请实施例中仅以NR系统中的核心网设备为例进行介绍,并不限定核心网设备的具体类型。
下面结合附图,通过一些实施例及其应用场景对本申请实施例提供通信资源的确定方法进行详细地说明。
如图2所示,本申请实施例提供了一种通信资源的确定方法,该方法的执行主体可以为进行旁链路通信的终端,包括发送端和接收端,换言之,该方法可以由安装在终端的软件或硬件来执行。
步骤210、终端确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙。
本申请实施例定义了一种用于旁链路的资源单元,所述资源单元包括N个时隙,例如,N=4或5等。所述N可以由协议规定或网络侧高层配置。基于为所述终端配置的资源池确定N,其中为所述终端配置的资源池可以为所有的资源池,或者为包括第一资源池的一个第一资源池组,或者为第一资源池。所述第一资源池为配置用于所述终端进行旁链路传输的资源池,包括可用于sidelink的时频域资源的资源池,包括可用于sidelink的时隙,以及各时隙中可用于sidelink的第一符号。终端可以由网络侧高层配置一个或多个用于sidelink的第一资源池,
所述时隙可以根据实际的需要进行设置,在一种实施方式中,所述时隙可以为第一资源池所在带宽部分(BandWidth Part,BWP)的第一子载波间隔 确定的;其中,所述第一资源池为配置用于所述终端进行旁链路传输的资源池,所述第一子载波间隔可以表示为SCS2,例如可以为480kHz或960kHz等;
在另一种实施方式中,所述时隙可以为基于参考的第二子载波间隔确定的,所述第二子载波间隔可以表示为SCS1,例如可以为120kHz;其中,所述第一子载波间隔为第二子载波间隔的整数倍,即SCS1*K=SCS2。
在一种实施方式中,所述第一符号由以下至少一项确定:
协议规定;
第一参数和第二参数;
其中,所述协议规定包括规定所述时隙中第一符号的数量;例如,协议规定除了资源单元包含的PSCCH所在的时隙外,其它时隙的第一符号的数量为该时隙的所有符号。
所述网络侧高层配置包括配置第一参数S和第二参数L;其中,所述第一参数S用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数L用于指示所述时隙中连续的第一符号的数量,即通过S确定时隙中分配给第一资源池的第一符号的起始位置,通过L确定时隙中分配给第一资源池的连续的符号的数量。
本申请实施例还给出所述资源单元中各物理信道的时域位置,具体可以包括以下至少一项的时域位置。
PSCCH;
PSSCH;
物理旁链路反馈信道(Physical Sidelink Feedback Channle,PSFCH);
保护符号(GAP);
自动增益控制(Automatic Gain Control,AGC)。
步骤220、所述终端基于所述资源单元进行旁链路传输。
由以上本发明实施例提供的技术方案可见,本发明实施例通过终端确定 用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙;所述终端基于所述资源单元进行旁链路传输,从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,所述步骤210中确定用于旁链路的资源单元的时域位置的实现方式可以多种多样,本申请实施例仅给出了其中的两种具体实施过程。
在一种实施方式中,如图3所示,所述步骤210包括以下步骤。
步骤310、确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙,所述第一时隙集合可以包括的时隙的数量可以表示为T1。
其中,所述第一时间由协议规定或网络侧高层配置,例如可以为0~1023个无线帧。
步骤320、从所述第一时隙集合中排除第一时隙和/或第二时隙,得到第二时隙集合。
所述第一时隙为配置用于系统信息传输的时隙;
所述第二时隙为满足第一条件的时隙;
所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为所述时隙中配置用于旁链路的符号。
应理解的是,所述配置为非上行符号的第一符号,可以包括:由网络侧高层配置为下行符号的第一符号和配置为灵活符号的第一符号。相当于,组成所述第二时隙集合的时隙中分配给第一资源池的第一符号均配置为上行符号。
应理解的是,从所述第一时隙集合中排除所述第一时隙和第二时隙的过程不分先后,可以先从所述第一时隙集合中排除第一时隙,再排除第二时隙,或者,也可以先从所述第一时隙集合中先排除第二时隙,再排除第一时隙。 为了简便起见,在下面的实施例中均以先排除第一时隙再排除第二时隙为例进行举例说明,从所述时隙符集合中排除第一时隙后得到时隙集合中包括的时隙的数量表示为T2,所述第二时隙集合中包括的时隙的数量表示为T3。
步骤330、基于比特映射的方式从所述第二时隙集合中筛选出满足第二条件的时隙,得到第三时隙集合;
所述第二条件为,根据比特映射的比特长度,确定的所述第二时隙集合中与各时隙对应的比特位,且所述比特位的值为1的时隙。其中,用于比特映射的方式的相关参数可以由协议规定或网络侧高层配置。
确定所述第二时隙集合中各时隙对应的比特位的方式可以多种多样,本申请实施例仅给出了其中的一种具体实施方式。配置比特映射的比特长度为F,则可以根据下式确定第二时隙集合中各时隙对应的比特位B′,B′=B mod F,其中,0≤B<T3,0≤B′<F,当比特位B′对应的比特值为1时,则该比特位B′对应的时隙属于第一资源池,并组成第三时隙集合,所述第三时隙集合中包括的时隙的数量表示为T4。
步骤340、根据所述第三时隙集合的时隙数量和N,从所述第三时隙集合中划分出每组包括至少N个时隙的分组作为用于旁链路的资源单元。
所述对所述第三时隙集合进行划分的方式可以多种多样,本申请实施例仅给出了其中的一种具体实施方式。基于配置的每个资源单元中包括的时隙的数量N,对所述第三时隙集合中的时隙进行分组。先根据第三时隙集合的时隙数量和N确定分组数量,所述分组数量可以为T4与N的比值取下整数
Figure PCTCN2022139912-appb-000001
或取上整数
Figure PCTCN2022139912-appb-000002
再根据所述分组数量,从所述第三时隙集合中划分出每组包括至少N个时隙的分组,分组结果作为所述第一资源池中候选的资源单元。其中,若分组数量为
Figure PCTCN2022139912-appb-000003
则表示最后剩余的小于N个时隙不足以构成一个分组;若分组数量为
Figure PCTCN2022139912-appb-000004
则表示其中至少一个分组包括的时隙的数量小于等于所述N。
对第三时隙集合中的时隙,按照0~T4-1编号作为各时隙的索引值,得到 第三时隙集合中所有时隙的索引值可以表示为{0,1,2……,T4-2,T4-1}。
若N=4,在分组数量为
Figure PCTCN2022139912-appb-000005
的情况下进行分组,分组结果可以为{0,1,2,3}、{4,5,6,7},……,若T4不是4的倍数,则剩余的时隙将小于4个,根据分组结果可以得到
Figure PCTCN2022139912-appb-000006
个候选的资源单元。
若N=4,在分组数量为
Figure PCTCN2022139912-appb-000007
的情况下进行分组,分组结果可以为{0,1,2,3}、{4,5,6,7},……,若T4不是4的倍数,则最后一个分组中包括的时隙的数量将小于所述N。
在一种实施方式中,为了保证在旁链路通信过程中的时延需求,所述用于旁链路的资源单元满足以下至少一项:
所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值;
其中,所述第一阈值和/或第二阈值可以由协议规定或网络侧高层配置。
进一步地,所述时隙的索引值为基于所述时隙所在的时隙集合中的排序确定的;
其中,所述时隙所在的时隙集合为以下之一:
所述第一时隙集合,所述第一时隙集合包括T1个时隙,可以按照0~T1-1的编号作为各时隙的索引值;
从所述第一时隙集合中排除第一时隙后得到的时隙集合,该时隙集合包括T2个时隙,可以按照0~T2-1的编号作为各时隙的索引值;
从所述第一时隙集合中排除第一时隙和/或第二时隙后得到的第二时隙集合,所述第二时隙集合包括T3个时隙,可以按照0~T3-1的编号作为各时隙的索引值;
基于比特映射的方式从所述第二时隙集合中筛选得到的第三时隙集合,所述第三时隙集合包括T4个时隙,可以按照0~T4-1的编号作为各时隙的索引值。
所述时隙的索引值的确定方式可以由协议规定或网络侧高层配置。
步骤350、确定所述资源单元中各物理信道的时域位置,包括:
确定所述资源单元中以下至少一项的时域位置:
PSCCH;
PSSCH;
PSFCH;
GAP;
AGC。
由以上本发明实施例提供的技术方案可见,本发明实施例通过根据第一时间内的所有时隙确定第一时隙集合,从中排除第一时隙和/或第二时隙得到第二时隙集合,再基于比特映射的方式筛选出第三时隙集合,并从中确定包括N个时隙的资源单元,从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
在另一种实施方式中,如图4所示,所述步骤210包括以下步骤。
步骤410、确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙,所述第一时隙集合可以包括的时隙的数量可以表示为T1。
其中,所述第一时间由协议规定或网络侧高层配置,例如可以为0~1023个无线帧。
步骤420、根据所述第一时隙集合的时隙数量和N,从所述第一时隙集合中划分出每组包括至少N个时隙的分组作为候选的资源单元。
对所述第一时隙集合进行划分的方式可以采用如上述实施例中对所述第三时隙集合中的时隙进行的划分的方式相类似。基于配置的每个资源单元中包括的时隙的数量N,对所述第一时隙集合中的时隙进行分组。先根据第一时隙集合的时隙数量和N确定分组数量,所述分组数量可以为T1与N的比值取下整数
Figure PCTCN2022139912-appb-000008
或取上整数
Figure PCTCN2022139912-appb-000009
再根据所述分组数量,从所述第一时 隙集合中划分出每组包括至少N个时隙的分组,分组结果作为所述第一资源池中候选的资源单元。其中,若分组数量为
Figure PCTCN2022139912-appb-000010
则表示最后剩余的小于N个时隙不足以构成一个分组;若分组数量为
Figure PCTCN2022139912-appb-000011
则表示其中至少一个分组包括的时隙的数量小于等于N。
步骤430、从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元;
其中,所述第一时隙为配置用于系统信息传输的时隙;
所述第二时隙为满足第一条件的时隙;
所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为时隙中配置用于旁链路的符号。
应理解的是,从候选的资源单元中排除包括所述第一时隙的资源单元和第二时隙的资源单元的过程不分先后,可以先排除包括第一时隙的资源,再排除包括第二时隙的资源单元,反之矣行。为了简便起见,在下面的实施例中均以先排除包括第一时隙的资源,再排除包括第二时隙的资源单元为例进行举例说明。
步骤440、基于比特映射的方式从候选的资源单元中筛选出满足第三条件的资源单元作为用于旁链路的资源单元;
所述第三条件为,根据比特映射的比特长度,确定的所述候选的资源单元中与各资源单元对应的比特位,且所述比特位的值为1的资源单元。
在一种实施方式中,配置比特映射的比特长度为F,则可以根据下式确定候选的资源单元中各资源单元对应的比特位B′,B′=B mod F,其中,0≤B<V,0≤B′<F,V为排除包含第一时隙和/或第二时隙的资源单元后所述候选的资源单元中包含的资源单元的数量,当比特位B′对应的比特值为1时,则该比特位B′对应的资源单元作为用于旁链路的资源单元。
在一种实施方式中,所述用于旁链路的资源单元满足以下至少一项:
所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值;
其中,所述第一阈值和/或第二阈值可以由协议规定或网络侧高层配置。
进一步地,所述时隙的索引值可以为基于所述时隙在所述第一时隙集合中的排序确定的,所述第一时隙集合包括T1个时隙,可以按照0~T1-1的编号作为各时隙的索引值。
步骤450、确定所述资源单元中各物理信道的时域位置,包括:
确定所述资源单元中以下至少一项的时域位置:
PSCCH;
PSSCH;
PSFCH;
GAP;
AGC。
由以上本发明实施例提供的技术方案可见,本发明实施例通过根据第一时间内的所有时隙确定第一时隙集合,从中划分出每组包括至少N个时隙的候选的资源单元,排除包括第一时隙和/或第二时隙的资源单元,再基于比特映射的方式筛选出用于旁链路的资源单元,从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,进一步地,所述步骤210中确定所述资源单元中各物理信道的时域位置的方式可以多种多样,本申请实施例针对各物理信道的时域位置的一些具体实施方式。
在一种实施方式中,所述PSCCH的时域位置为在所述资源单元的第一指定时隙S1中;其中,所述第一指定时隙由协议规定或网络侧高层配置,所述第一指定时隙可以为在所述资源单元中索引值为m1的时隙。如图5所示,在所述资源单元中包括N=4的时隙的情况下,时隙的索引值范围为0~3,配 置第一指定时隙对应的m1=0,则终端确定将在资源单元中索引值为0的时隙,即第一个时隙中发送或接收PSCCH,接收终端将在确定的第一指定时隙中进行PSCCH监听,以获取所述PSCCH中承载的SCI,以确定所述SCI调度的PSSCH。
在一种实施方式中,所述PSCCH的符号位置为所述第一指定时隙中的第N1个第一符号开始;其中,所述第一符号为所述时隙中配置用于旁链路的符号,所述N1及PSCCH的符号长度由协议规定或网络侧高层配置。
如图6所示,在所述资源单元中包括N=4的时隙的情况下,时隙的索引值范围为0~3,配置第一指定时隙对应的索引值为m1=0,所述N1=2,所述PSCCH的符号长度为2,则在所述资源单元的索引值为0的时隙,即第一个时隙中,所述PSCCH的符号位置为从第二个第一符号,即符号2开始的2个第一符号。
在一种实施方式中,所述PSSCH的时域位置为所述资源单元的第二指定时隙S2;其中,所述第二指定时隙由协议规定或网络侧高层配置,所述第二指定时隙可以为在所述资源单元中的索引值为m2的时隙,0≤m2≤N-1,m2可以包括多个索引值,所述第二指定时隙可以包括所述第一指定时隙。
网络侧高层配置的第一参数S和第二参数L;其中,所述第一参数S用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数L用于指示所述时隙中连续的第一符号的数量,所述第一符号为时隙中配置用于旁链路的符号,即通过S确定时隙中分配给第一资源池的第一符号的起始位置,通过L确定时隙中分配给第一资源池的连续的符号的数目。
在一种实施方式中,所述PSSCH的符号位置从所述资源单元的每个时隙中的第N2个第一符号开始。
如图6所示,配置第二指定时隙对应的m2=0、1、2、3,即在所述资源单元的各时隙中均配置了PSSCH。通过配置的S=1和L=12确定时隙中各第一符号的位置为从第二个符号开始的符号{1,2,…,12}。设置N2=2,则所述 PSSCH的符号位置从各时隙中的第二个第一符号开始,即符号2开始。
在另一种实施方式中,所述PSSCH的符号位置在所述第二指定时隙为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第N2个第一符号开始。
在所述第二指定时隙不为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第一个第一符号开始,即从所述第二指定时隙的第一个第一符号,也即符号S开始。
在一种实施方式中,若所述第二指定时隙包括所述第一指定时隙,则在所述第一指定时隙中N2=N1。
如图7所示,在所述资源单元中包括N=4的时隙,配置第一指定时隙对应的m1=0,所述N1=2,则确定所述PSCCH的时域位置为在所述资源单元的索引值为0的时隙中的第二个第一符号开始。配置第二指定时隙对应的m2=0、1、2、3,即在所述资源单元的各时隙中均配置了PSSCH。通过配置S=1和L=12确定时隙中各第一符号的位置为从第二个符号开始的符号{1,2,…,12}。在资源单元的第一个时隙中,设置N2=1,则在第一个时隙中所述PSSCH的符号位置从第二个第一符号开始,即符号2开始;在资源单元的其它时隙中,所述PSSCH的符号位置从第一个第一符号开始,即符号1开始。
应理解的是,在传输所述PSSCH的时隙中,用于传输PSSCH的符号可以包括除去用于传输以下至少一项的第一符号外所述时隙中所有其它第一符号:
AGC;
PSFCH;
GAP。
在一种实施方式中,所述PSFCH的时域位置为根据N和第一周期N PSFCH确定用于传输PSFCH的时隙S3;其中,所述第一周期为由网络侧高层配置的用于传输物理旁链路反馈信道的周期。
在一种实施方式中,可以通过N确定用于传输PSFCH的候选传输资源S3,满足S3 mod(N PSFCH×N)=m4,其中,N PSFCH由网络侧高层配置和m4由协议规定或网络侧高层配置。
在一种实施方式中,所述PSFCH的符号位置为用于传输PSFCH的时隙的第一符号中倒数第N3个第一符号;其中,所述N3由协议规定或网络侧高层配置。
如图6和图7所示,配置N PSFCH=1,N3=2,则在各时隙中倒数第二个第一符号,即符号11传输PSFCH。
在一种实施方式中,所述GAP的时域位置由以下至少一项确定:
所述PSSCH的最后一个符号的后面连续N4个第一符号;
所述PSFCH的最后一个符号的后面连续N4个第一符号;
其中,所述N4由协议规定或网络侧高层配置。
应理解的是,针对所述PSSCH和PSFCH的N4可以配置为相同的数值,也可以分别配置不同的数值,其中,针对PSFCH的GAP,所述N4满足N4≤N2-1。
如图6和图7所示,配置N4=1,则在每个PSSCH和PSFCH传输后都有一个符号作为保护符号。
在一种实施方式中,所述AGC具有功率调整的作用,具体表现为重复传输以下至少一个信道承载的传输内容:PSCCH,PSSCH,PSFCH,所述AGC的时域位置由以下至少一项确定:
所述PSCCH的第一个符号的前面连续N5个第一符号;
所述PSSCH的第一个符号的前面连续N5个第一符号;
所述PSFCH的第一个符号的前面连续N5个第一符号;
所述资源单元的第三指定时隙,所述第三指定时隙用于指示包括与PSCCH和PSSCH对应的AGC的时隙,即若配置第三指定时隙,则在所述第三指定时隙中包含与PSCCH和PSSCH对应的AGC,否则,在每个时隙中均 包含与PSCCH、PSSCH对应的AGC;
其中,所述N5由协议规定或网络侧高层配置;
所述第三指定时隙由协议规定或网络侧高层配置。
应理解的是,针对所述PSCCH、PSSCH和PSFCH的N5可以配置为相同的数值,也可以分别配置不同的数值,其中,针对PSCCH的AGC,该AGC的N5满足N5≤N1+1;针对PSSCH的AGC,该AGC的N5满足N5≤N2+1。
如图6所示,配置N5=1,则在每个时隙中PSCCH、PSSCH和PSFCH的第一个第一符号在前一个第一符号重复传输,即在符号1重复传输PSCCH的第一个第一符号和PSSCH的第一个第一符号,在符号10重复传输PSFCH的第一个第一符号。
如图7所示,配置第三指定时隙为资源单元的第一个时隙,N5=1,则在第一个时隙中PSCCH和PSSCH的第一个第一符号在前一个第一符号重复传输,即在第一个时隙的符号1重复传输PSCCH的第一个第一符号和PSSCH的第一个第一符号,在每一个时隙中的PSFCH的第一个第一符号在前一个第一符号重复传输,即在每一个时隙的符号10均重复传输PSFCH的第一个第一符号。
应理解的是,上述实施例中N1、N3、N4和N5的取值与所述第一资源池所在BWP的第一子载波间隔相关。
由以上本发明实施例提供的技术方案可见,本发明实施例通过确定资源单元中各物理信道的时域位置,从而在进行旁链路通信时能够明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
本申请实施例提供的通信资源的确定方法,执行主体可以为通信资源的确定装置。本申请实施例中以通信资源的确定装置执行通信资源的确定方法为例,说明本申请实施例提供的通信资源的确定装置。
如图8所示,所述通信资源的确定装置包括:确定模块801和传输确定 模块。其中,所述确定模块801用于确定用于旁链路的资源单元的时域位置,所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述N大于1;所述传输模块802用于基于所述资源单元传输旁链路的数据。
进一步地,所述N由协议规定或网络侧高层配置。
进一步地,所述时隙为基于以下一种子载波间隔确定的:
第一资源池所在带宽部分的第一子载波间隔;其中,所述第一资源池为配置用于所述终端进行旁链路传输的资源池;
参考的第二子载波间隔;其中,所述第一子载波间隔为第二子载波间隔的整数倍。
进一步地,所述确定模块用于确定所述资源单元中以下至少一项的时域位置:
物理旁链路控制信道;
物理旁链路共享信道;
物理旁链路反馈信道;
保护符号;
自动增益控制。
由以上本发明实施例提供的技术方案可见,本发明实施例通过终端确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使装置进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,进一步地,所述确定模块用于确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙。
进一步地,在确定第一时隙集合后,所述确定模块还用于从所述第一时隙集合中排除第一时隙和/或第二时隙,得到第二时隙集合;
其中,所述第一时隙为配置用于系统信息传输的时隙;
所述第二时隙为满足第一条件的时隙;
所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为所述时隙中配置用于旁链路的符号。
进一步地,在得到第二时隙集合后,所述确定模块还用于基于比特映射的方式从所述第二时隙集合中筛选出满足第二条件的时隙,得到第三时隙集合;
所述第二条件为,根据比特映射的比特长度,确定的所述第二时隙集合中与各时隙对应的比特位,且所述比特位的值为1的时隙。
进一步地,在得到第三时隙集合后,所述确定模块还用于根据所述第三时隙集合的时隙数量和N,从所述第三时隙集合中划分出每组包括至少N个时隙的分组作为用于旁链路的资源单元。
进一步地,所述第一时间由协议规定或网络侧高层配置。
进一步地,所述第一符号由以下至少一项确定:
协议规定;
第一参数和第二参数;
其中,所述协议规定包括规定所述时隙中第一符号的数量;
所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量。
进一步地,所述用于旁链路的资源单元满足以下至少一项:
所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值。
进一步地,所述时隙的索引值为基于所述时隙所在的时隙集合中的排序确定的;
其中,所述时隙所在的时隙集合为以下之一:
所述第一时隙集合;
从所述第一时隙集合中排除第一时隙后得到的时隙集合;
从所述第一时隙集合中排除第一时隙和/或第二时隙后得到的第二时隙集合;
基于比特映射的方式从所述第二时隙集合中筛选得到的第三时隙集合。
由以上本发明实施例提供的技术方案可见,本发明实施例通过根据第一时间内的所有时隙确定第一时隙集合,从中排除第一时隙和/或第二时隙得到第二时隙集合,再基于比特映射的方式筛选出第三时隙集合,并从中确定包括N个时隙的资源单元,从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使装置进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,进一步地,所述确定模块用于确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙。
进一步地,在确定第一时隙集合后,所述确定模块还用于根据所述第一时隙集合的时隙数量和N,从所述第一时隙集合中划分出每组包括至少N个时隙的分组作为候选的资源单元。
进一步地,在从所述第一时隙集合中确定候选的资源单元之后,所述确定模块还用于从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元;
其中,所述第一时隙为配置用于系统信息传输的时隙;
所述第二时隙为满足第一条件的时隙;
所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为时隙中配置用于旁链路的符号。
进一步地,在从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元之后,所述确定模块还用于基于比特映射的方式从候选的资源单元中筛选出满足第三条件的资源单元作为用于旁链路的资源单元;
所述第三条件为,根据比特映射的比特长度,确定的所述候选的资源单元中与各资源单元对应的比特位,且所述比特位的值为1的资源单元。
进一步地,所述第一时间由协议规定或网络侧高层配置。
进一步地,所述第一符号由以下至少一项确定:
协议规定;
第一参数和第二参数;
其中,所述协议规定包括规定所述时隙中第一符号的数量;
所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量。
进一步地,所述用于旁链路的资源单元满足以下至少一项:
所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值。
进一步地,所述时隙的索引值为基于所述时隙所在的时隙集合中的排序确定的;
其中,所述时隙所在的时隙集合为以下之一:
所述第一时隙集合;
从所述第一时隙集合中排除第一时隙后得到的时隙集合;
从所述第一时隙集合中排除第一时隙和/或第二时隙后得到的第二时隙集合;
基于比特映射的方式从所述第二时隙集合中筛选得到的第三时隙集合。
由以上本发明实施例提供的技术方案可见,本发明实施例通过根据第一时间内的所有时隙确定第一时隙集合,从中划分出每组包括至少N个时隙的候选的资源单元,排除包括第一时隙和/或第二时隙的资源单元,再基于比特映射的方式筛选出用于旁链路的资源单元,从而在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使装置进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链 路通信的资源利用率。
基于上述实施例,进一步地,所述确定模块用于确定所述资源单元中以下至少一项的时域位置:
物理旁链路控制信道;
物理旁链路共享信道;
物理旁链路反馈信道;
保护符号;
自动增益控制。
进一步地,所述物理旁链路控制信道的时域位置为在所述资源单元的第一指定时隙中;其中,所述第一指定时隙由协议规定或网络侧高层配置。
进一步地,所述物理旁链路控制信道的符号位置为所述第一指定时隙中的第N1个第一符号开始;其中,所述第一符号为所述时隙中配置用于旁链路的符号,所述N1及PSCCH的符号长度由协议规定或网络侧高层配置。
进一步地,所述物理旁链路共享信道的时域位置由以下至少一项确定:
所述资源单元的第二指定时隙;其中,所述第二指定时隙由协议规定或网络侧高层配置;
网络侧高层配置的第一参数和第二参数;其中,所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量,所述第一符号为时隙中配置用于旁链路的符号。
进一步地,所述物理旁链路共享信道的符号位置由以下至少一项确定:
从所述资源单元的每个时隙中的第N2个第一符号开始;
在所述第二指定时隙为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第N2个第一符号开始;
在所述第二指定时隙不为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第一个第一符号开始。
进一步地,所述物理旁链路反馈信道的时域位置为根据N和第一周期确 定用于传输物理旁链路反馈信道的时隙;其中,所述第一周期为由网络侧高层配置的用于传输物理旁链路反馈信道的周期。
进一步地,所述物理旁链路反馈信道的符号位置为用于传输物理旁链路反馈信道的时隙的第一符号中倒数第N3个第一符号;其中,所述N3由协议规定或网络侧高层配置。
进一步地,所述保护符号的时域位置由以下至少一项确定:
所述物理旁链路共享信道的最后一个符号的后面连续N4个第一符号;
所述物理旁链路反馈信道的最后一个符号的后面连续N4个第一符号;
其中,所述N4由协议规定或网络侧高层配置。
进一步地,所述自动增益控制的时域位置由以下至少一项确定:
所述物理旁链路控制信道的第一个符号的前面连续N5个第一符号;
所述物理旁链路共享信道的第一个符号的前面连续N5个第一符号;
所述物理旁链路反馈信道的第一个符号的前面连续N5个第一符号;
所述资源单元的第三指定时隙;
其中,所述N5由协议规定或网络侧高层配置;
所述第三指定时隙由协议规定或网络侧高层配置。
由以上本发明实施例提供的技术方案可见,本发明实施例通过确定资源单元中各物理信道的时域位置,从而在进行旁链路通信时能够明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
本申请实施例中的通信资源的确定装置可以是电子设备,例如具有操作系统的电子设备,也可以是电子设备中的部件,例如集成电路或芯片。该电子设备可以是终端,也可以为除终端之外的其他设备。示例性的,终端可以包括但不限于上述所列举的终端11的类型,其他设备可以为服务器、网络附属存储器(Network Attached Storage,NAS)等,本申请实施例不作具体限定。
本申请实施例提供的通信资源的确定装置能够实现图2至图7的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图9所示,本申请实施例还提供一种通信设备900,包括处理器901和存储器902,存储器902上存储有可在所述处理器901上运行的程序或指令,例如,该通信设备900为终端时,该程序或指令被处理器901执行时实现上述通信资源的确定方法实施例的各个步骤,且能达到相同的技术效果。该通信设备900为网络侧设备时,该程序或指令被处理器901执行时实现上述通信资源的确定方法实施例的各个步骤,且能达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供一种终端,包括处理器和通信接口,处理器用于确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙。该终端实施例与上述终端侧方法实施例对应,上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中,且能达到相同的技术效果。具体地,图10为实现本申请实施例的一种终端的硬件结构示意图。
该终端1000包括但不限于:射频单元1001、网络模块1002、音频输出单元1003、输入单元1004、传感器1005、显示单元1006、用户输入单元1007、接口单元1008、存储器1009以及处理器1010等中的至少部分部件。
本领域技术人员可以理解,终端1000还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器1010逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图10中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。
应理解的是,本申请实施例中,输入单元1004可以包括图形处理器(Graphics Processing Unit,GPU)10041和麦克风10042,图形处理器10041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静 态图片或视频的图像数据进行处理。显示单元1006可包括显示面板10061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板10061。用户输入单元1007包括触控面板10071以及其他输入设备10072中的至少一种。触控面板10071,也称为触摸屏。触控面板10071可包括触摸检测装置和触摸控制器两个部分。其他输入设备10072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元1001接收来自网络侧设备的下行数据后,可以传输给处理器1010进行处理;另外,射频单元1001可以向网络侧设备发送上行数据。通常,射频单元1001包括但不限于天线、放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1009可用于存储软件程序或指令以及各种数据。存储器1009可主要包括存储程序或指令的第一存储区和存储数据的第二存储区,其中,第一存储区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器1009可以包括易失性存储器或非易失性存储器,或者,存储器1009可以包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synch link DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DRRAM)。本申请实施 例中的存储器1009包括但不限于这些和任意其它适合类型的存储器。
处理器1010可包括一个或多个处理单元;可选的,处理器1010集成应用处理器和调制解调处理器,其中,应用处理器主要处理涉及操作系统、用户界面和应用程序等的操作,调制解调处理器主要处理无线通信信号,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器1010中。
其中,处理器1010,用于确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙。
进一步地,所述N由协议规定或网络侧高层配置。
进一步地,所述时隙为基于以下一种子载波间隔确定的:
第一资源池所在带宽部分的第一子载波间隔;其中,所述第一资源池为配置用于所述终端进行旁链路传输的资源池;
参考的第二子载波间隔;其中,所述第一子载波间隔为第二子载波间隔的整数倍。
进一步地,所述确定所述资源单元中各物理信道的时域位置,包括:
确定所述资源单元中以下至少一项的时域位置:
物理旁链路控制信道;
物理旁链路共享信道;
物理旁链路反馈信道;
保护符号;
自动增益控制。
本申请实施例在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,进一步地,所述处理器1010,用于确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙。
进一步地,在确定第一时隙集合后,所述处理器1010还用于:
从所述第一时隙集合中排除第一时隙和/或第二时隙,得到第二时隙集合;
其中,所述第一时隙为配置用于系统信息传输的时隙;
所述第二时隙为满足第一条件的时隙;
所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为所述时隙中配置用于旁链路的符号。
进一步地,在得到第二时隙集合后,所述处理器1010还用于:
基于比特映射的方式从所述第二时隙集合中筛选出满足第二条件的时隙,得到第三时隙集合;
所述第二条件为,根据比特映射的比特长度,确定的所述第二时隙集合中与各时隙对应的比特位,且所述比特位的值为1的时隙。
进一步地,在得到第三时隙集合后,所述处理器1010还用于:
根据所述第三时隙集合的时隙数量和N,从所述第三时隙集合中划分出每组包括至少N个时隙的分组作为用于旁链路的资源单元。
进一步地,所述第一时间由协议规定或网络侧高层配置。
进一步地,所述第一符号由以下至少一项确定:
协议规定;
第一参数和第二参数;
其中,所述协议规定包括规定所述时隙中第一符号的数量;
所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量。
进一步地,所述用于旁链路的资源单元满足以下至少一项:
所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值。
进一步地,所述时隙的索引值为基于所述时隙所在的时隙集合中的排序确定的;
其中,所述时隙所在的时隙集合为以下之一:
所述第一时隙集合;
从所述第一时隙集合中排除第一时隙后得到的时隙集合;
从所述第一时隙集合中排除第一时隙和/或第二时隙后得到的第二时隙集合;
基于比特映射的方式从所述第二时隙集合中筛选得到的第三时隙集合。
本申请实施例在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,进一步地,在确定第一时隙集合后,所述处理器1010还用于:
根据所述第一时隙集合的时隙数量和N,从所述第一时隙集合中划分出每组包括至少N个时隙的分组作为候选的资源单元。
进一步地,在从所述第一时隙集合中确定候选的资源单元之后,所述处理器1010还用于:
从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元;
其中,所述第一时隙为配置用于系统信息传输的时隙;
所述第二时隙为满足第一条件的时隙;
所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为时隙中配置用于旁链路的符号。
进一步地,在从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元之后,所述处理器1010还用于:
基于比特映射的方式从候选的资源单元中筛选出满足第三条件的资源单元作为用于旁链路的资源单元;
所述第三条件为根据比特映射的比特长度,确定的所述候选的资源单元中与各资源单元对应的比特位,且所述比特位的值为1的资源单元。
本申请实施例在进行旁链路通信时能够快速、准确地确定基于时隙的资源单元,并明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
基于上述实施例,进一步地,所述处理器1010用于:确定所述资源单元中以下至少一项的时域位置:
物理旁链路控制信道;
物理旁链路共享信道;
物理旁链路反馈信道;
保护符号;
自动增益控制。
进一步地,所述物理旁链路控制信道的时域位置为在所述资源单元的第一指定时隙中;其中,所述第一指定时隙由协议规定或网络侧高层配置。
进一步地,所述物理旁链路控制信道的符号位置为所述第一指定时隙中的第N1个第一符号开始;其中,所述第一符号为所述时隙中配置用于旁链路的符号,所述N1及PSCCH的符号长度由协议规定或网络侧高层配置。
进一步地,所述物理旁链路共享信道的时域位置由以下至少一项确定:
所述资源单元的第二指定时隙;其中,所述第二指定时隙由协议规定或网络侧高层配置;
网络侧高层配置的第一参数和第二参数;其中,所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量,所述第一符号为时隙中配置用于旁链路的符号。
进一步地,所述物理旁链路共享信道的符号位置由以下至少一项确定:
从所述资源单元的每个时隙中的第N2个第一符号开始;
在所述第二指定时隙为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第N2个第一符号开始;
在所述第二指定时隙不为所述资源单元的第一个时隙的情况下,从所述 第二指定时隙的第一个第一符号开始。
进一步地,所述物理旁链路反馈信道的时域位置为根据N和第一周期确定用于传输物理旁链路反馈信道的时隙;其中,所述第一周期为由网络侧高层配置的用于传输物理旁链路反馈信道的周期。
进一步地,所述物理旁链路反馈信道的符号位置为用于传输物理旁链路反馈信道的时隙的第一符号中倒数第N3个第一符号;其中,所述N3由协议规定或网络侧高层配置。
进一步地,所述保护符号的时域位置由以下至少一项确定:
所述物理旁链路共享信道的最后一个符号的后面连续N4个第一符号;
所述物理旁链路反馈信道的最后一个符号的后面连续N4个第一符号;
其中,所述N4由协议规定或网络侧高层配置。
进一步地,所述自动增益控制的时域位置由以下至少一项确定:
所述物理旁链路控制信道的第一个符号的前面连续N5个第一符号;
所述物理旁链路共享信道的第一个符号的前面连续N5个第一符号;
所述物理旁链路反馈信道的第一个符号的前面连续N5个第一符号;
所述资源单元的第三指定时隙;
其中,所述N5由协议规定或网络侧高层配置;
所述第三指定时隙由协议规定或网络侧高层配置。
本发明实施例在进行旁链路通信时能够明确各物理信道的时域位置,使终端进行旁链路通信的PSCCH监听和数据传输等操作更加合理,提升了旁链路通信的资源利用率。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述通信资源的确定方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器ROM、随机存取存 储器RAM、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现上述通信资源的确定方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现上述通信资源的确定方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供了一种通信资源的确定系统,包括:终端及网络侧设备,所述终端可用于执行如上所述的通信资源的确定方法的步骤。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通 过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (44)

  1. 一种通信资源的确定方法,包括:
    终端确定用于旁链路的资源单元的时域位置,以及所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述N大于1;
    所述终端基于所述资源单元进行旁链路传输。
  2. 根据权利要求1所述的方法,其中,所述确定用于旁链路的资源单元的时域位置包括:
    确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙。
  3. 根据权利要求2所述的方法,其中,在确定第一时隙集合后,所述确定用于旁链路的资源单元的时域位置还包括:
    从所述第一时隙集合中排除第一时隙和/或第二时隙,得到第二时隙集合;
    其中,所述第一时隙为配置用于系统信息传输的时隙;
    所述第二时隙为满足第一条件的时隙;
    所述第一条件为所述时隙包括配置为非上行符号的第一符号。
  4. 根据权利要求3所述的方法,其中,在得到第二时隙集合后,所述确定用于旁链路的资源单元的时域位置还包括:
    基于比特映射的方式从所述第二时隙集合中筛选出满足第二条件的时隙,得到第三时隙集合;
    所述第二条件为,根据比特映射的比特长度,确定的所述第二时隙集合中与各时隙对应的比特位,且所述比特位的值为1的时隙。
  5. 根据权利要求4所述的方法,其中,在得到第三时隙集合后,所述确定用于旁链路的资源单元的时域位置还包括:
    根据所述第三时隙集合的时隙数量和N,从所述第三时隙集合中划分出每组包括至少N个时隙的分组作为用于旁链路的资源单元。
  6. 根据权利要求2所述的方法,其中,在确定第一时隙集合后,所述确定用于旁链路的资源单元的时域位置还包括:
    根据所述第一时隙集合的时隙数量和N,从所述第一时隙集合中划分出每组包括至少N个时隙的分组作为候选的资源单元。
  7. 根据权利要求6所述的方法,其中,在从所述第一时隙集合中确定候选的资源单元之后,所述确定用于旁链路的资源单元的时域位置还包括:
    从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元;
    其中,所述第一时隙为配置用于系统信息传输的时隙;
    所述第二时隙为满足第一条件的时隙;
    所述第一条件为所述时隙包括配置为非上行符号的第一符号。
  8. 根据权利要求7所述的方法,其中,在从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元之后,所述确定用于旁链路的资源单元的时域位置还包括:
    基于比特映射的方式从候选的资源单元中筛选出满足第三条件的资源单元作为用于旁链路的资源单元;
    所述第三条件为,根据比特映射的比特长度,确定的所述候选的资源单元中与各资源单元对应的比特位,且所述比特位的值为1的资源单元。
  9. 根据权利要求1-8任一所述的方法,其中,所述用于旁链路的资源单元满足以下至少一项:
    所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
    所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值。
  10. 根据权利要求9所述的方法,其中,所述时隙的索引值为基于所述时隙所在的时隙集合中的排序确定的;
    其中,所述时隙所在的时隙集合为以下之一:
    第一时隙集合;
    从所述第一时隙集合中排除第一时隙后得到的时隙集合;
    从所述第一时隙集合中排除第一时隙和/或第二时隙后得到的第二时隙集合;
    基于比特映射的方式从所述第二时隙集合中筛选得到的第三时隙集合。
  11. 根据权利要求1所述的方法,其中,所述时隙为基于以下一种子载波间隔确定的:
    第一资源池所在带宽部分的第一子载波间隔;其中,所述第一资源池为配置用于所述终端进行旁链路传输的资源池;
    参考的第二子载波间隔;其中,所述第一子载波间隔为第二子载波间隔的整数倍。
  12. 根据权利要求1所述的方法,其中,所述确定所述资源单元中各物理信道的时域位置,包括:
    确定所述资源单元中以下至少一项的时域位置:
    物理旁链路控制信道;
    物理旁链路共享信道;
    物理旁链路反馈信道;
    保护符号;
    自动增益控制。
  13. 根据权利要求12所述的方法,其中,所述物理旁链路控制信道的时域位置为在所述资源单元的第一指定时隙中;其中,所述第一指定时隙由协议规定或网络侧高层配置。
  14. 根据权利要求13所述的方法,其中,所述物理旁链路控制信道的符号位置为所述第一指定时隙中的第N1个第一符号开始;其中,所述N1及所述物理旁链路控制信道的符号长度由协议规定或网络侧高层配置。
  15. 根据权利要求12所述的方法,其中,所述物理旁链路共享信道的时域位置由以下至少一项确定:
    所述资源单元的第二指定时隙;其中,所述第二指定时隙由协议规定或网络侧高层配置;
    网络侧高层配置的第一参数和第二参数;其中,所述第一参数用于指示 所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量。
  16. 根据权利要求15所述的方法,其中,所述物理旁链路共享信道的符号位置由以下至少一项确定:
    从所述资源单元的每个时隙中的第N2个第一符号开始;
    在所述第二指定时隙为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第N2个第一符号开始;
    在所述第二指定时隙不为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第一个第一符号开始。
  17. 根据权利要求12所述的方法,其中,所述物理旁链路反馈信道的时域位置为根据N和第一周期确定用于传输物理旁链路反馈信道的时隙;其中,所述第一周期为由网络侧高层配置的用于传输物理旁链路反馈信道的周期。
  18. 根据权利要求17所述的方法,其中,所述物理旁链路反馈信道的符号位置为用于传输物理旁链路反馈信道的时隙的第一符号中倒数第N3个第一符号;其中,所述N3由协议规定或网络侧高层配置。
  19. 根据权利要求12所述的方法,其中,所述保护符号的时域位置由以下至少一项确定:
    所述物理旁链路共享信道的最后一个符号的后面连续N4个第一符号;
    所述物理旁链路反馈信道的最后一个符号的后面连续N4个第一符号;
    其中,所述N4由协议规定或网络侧高层配置。
  20. 根据权利要求12所述的方法,其中,所述自动增益控制的时域位置由以下至少一项确定:
    所述物理旁链路控制信道的第一个符号的前面连续N5个第一符号;
    所述物理旁链路共享信道的第一个符号的前面连续N5个第一符号;
    所述物理旁链路反馈信道的第一个符号的前面连续N5个第一符号;
    所述资源单元的第三指定时隙;
    其中,所述N5由协议规定或网络侧高层配置;
    所述第三指定时隙由协议规定或网络侧高层配置。
  21. 根据权利要求3、7、14-16和18-20任一所述的方法,其中,所述第一符号为所述时隙中配置用于旁链路的符号,所述第一符号由以下至少一项确定:
    协议规定;
    第一参数和第二参数;
    其中,所述协议规定包括规定所述时隙中第一符号的数量;
    所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量。
  22. 一种通信资源的确定装置,包括:
    确定模块,用于确定用于旁链路的资源单元的时域位置,所述资源单元中各物理信道的时域位置;其中,所述资源单元包括N个时隙,所述N大于1;
    传输模块,用于基于所述资源单元传输旁链路的数据。
  23. 根据权利要求22所述的装置,其中,所述确定模块用于确定第一时隙集合,所述第一时隙集合包括第一时间内的所有时隙。
  24. 根据权利要求23所述的装置,其中,在确定第一时隙集合后,所述确定模块还用于从所述第一时隙集合中排除第一时隙和/或第二时隙,得到第二时隙集合;
    其中,所述第一时隙为配置用于系统信息传输的时隙;
    所述第二时隙为满足第一条件的时隙;
    所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为所述时隙中配置用于旁链路的符号。
  25. 根据权利要求24所述的装置,其中,在得到第二时隙集合后,所述确定模块还用于基于比特映射的方式从所述第二时隙集合中筛选出满足第二 条件的时隙,得到第三时隙集合;
    所述第二条件为,根据比特映射的比特长度,确定的所述第二时隙集合中与各时隙对应的比特位,且所述比特位的值为1的时隙。
  26. 根据权利要求25所述的装置,其中,在得到第三时隙集合后,所述确定模块还用于根据所述第三时隙集合的时隙数量和N,从所述第三时隙集合中划分出每组包括至少N个时隙的分组作为用于旁链路的资源单元。
  27. 根据权利要求23所述的装置,其中,在确定第一时隙集合后,所述确定模块还用于根据所述第一时隙集合的时隙数量和N,从所述第一时隙集合中划分出每组包括至少N个时隙的分组作为候选的资源单元。
  28. 根据权利要求27所述的装置,其中,在从所述第一时隙集合中确定候选的资源单元之后,所述确定模块还用于从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元;
    其中,所述第一时隙为配置用于系统信息传输的时隙;
    所述第二时隙为满足第一条件的时隙;
    所述第一条件为所述时隙包括配置为非上行符号的第一符号,所述第一符号为时隙中配置用于旁链路的符号。
  29. 根据权利要求28所述的装置,其中,在从候选的资源单元中排除包含第一时隙和/或第二时隙的资源单元之后,所述确定模块还用于基于比特映射的方式从候选的资源单元中筛选出满足第三条件的资源单元作为用于旁链路的资源单元;
    所述第三条件为,根据比特映射的比特长度,确定的所述候选的资源单元中与各资源单元对应的比特位,且所述比特位的值为1的资源单元。
  30. 根据权利要求22-29任一所述的装置,其中,所述用于旁链路的资源单元满足以下至少一项:
    所述资源单元中的连续2个时隙的索引值间隔大于第一阈值;
    所述资源单元中的所有时隙的索引值间隔的最大值大于第二阈值。
  31. 根据权利要求30所述的装置,其中,所述时隙的索引值为基于所述时隙所在的时隙集合中的排序确定的;
    其中,所述时隙所在的时隙集合为以下之一:
    第一时隙集合;
    从所述第一时隙集合中排除第一时隙后得到的时隙集合;
    从所述第一时隙集合中排除第一时隙和/或第二时隙后得到的第二时隙集合;
    基于比特映射的方式从所述第二时隙集合中筛选得到的第三时隙集合。
  32. 根据权利要求22所述的装置,其中,所述时隙为基于以下一种子载波间隔确定的:
    第一资源池所在带宽部分的第一子载波间隔;其中,所述第一资源池为配置用于进行旁链路传输的资源池;
    参考的第二子载波间隔;其中,所述第一子载波间隔为第二子载波间隔的整数倍。
  33. 根据权利要求22所述的装置,其中,所述确定模块用于确定所述资源单元中以下至少一项的时域位置:
    物理旁链路控制信道;
    物理旁链路共享信道;
    物理旁链路反馈信道;
    保护符号;
    自动增益控制。
  34. 根据权利要求33所述的装置,其中,所述物理旁链路控制信道的时域位置为在所述资源单元的第一指定时隙中;其中,所述第一指定时隙由协议规定或网络侧高层配置。
  35. 根据权利要求34所述的装置,其中,所述物理旁链路控制信道的符号位置为所述第一指定时隙中的第N1个第一符号开始;其中,所述第一符 号为所述时隙中配置用于旁链路的符号,所述N1及所述物理旁链路控制信道的符号长度由协议规定或网络侧高层配置。
  36. 根据权利要求33所述的装置,其中,所述物理旁链路共享信道的时域位置由以下至少一项确定:
    所述资源单元的第二指定时隙;其中,所述第二指定时隙由协议规定或网络侧高层配置;
    网络侧高层配置的第一参数和第二参数;其中,所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量,所述第一符号为时隙中配置用于旁链路的符号。
  37. 根据权利要求36所述的装置,其中,所述物理旁链路共享信道的符号位置由以下至少一项确定:
    从所述资源单元的每个时隙中的第N2个第一符号开始;
    在所述第二指定时隙为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第N2个第一符号开始;
    在所述第二指定时隙不为所述资源单元的第一个时隙的情况下,从所述第二指定时隙的第一个第一符号开始。
  38. 根据权利要求33所述的装置,其中,所述物理旁链路反馈信道的时域位置为根据N和第一周期确定用于传输物理旁链路反馈信道的时隙;其中,所述第一周期为由网络侧高层配置的用于传输物理旁链路反馈信道的周期。
  39. 根据权利要求38所述的装置,其中,所述物理旁链路反馈信道的符号位置为用于传输物理旁链路反馈信道的时隙的第一符号中倒数第N3个第一符号;其中,所述N3由协议规定或网络侧高层配置。
  40. 根据权利要求33所述的装置,其中,所述保护符号的时域位置由以下至少一项确定:
    所述物理旁链路共享信道的最后一个符号的后面连续N4个第一符号;
    所述物理旁链路反馈信道的最后一个符号的后面连续N4个第一符号;
    其中,所述N4由协议规定或网络侧高层配置。
  41. 根据权利要求33所述的装置,其中,所述自动增益控制的时域位置由以下至少一项确定:
    所述物理旁链路控制信道的第一个符号的前面连续N5个第一符号;
    所述物理旁链路共享信道的第一个符号的前面连续N5个第一符号;
    所述物理旁链路反馈信道的第一个符号的前面连续N5个第一符号;
    所述资源单元的第三指定时隙;
    其中,所述N5由协议规定或网络侧高层配置;
    所述第三指定时隙由协议规定或网络侧高层配置。
  42. 根据权利要求24、28、35-37和39-41任一所述的装置,其中,所述第一符号为所述时隙中配置用于旁链路的符号,所述第一符号由以下至少一项确定:
    协议规定;
    第一参数和第二参数;
    其中,所述协议规定包括规定所述时隙中第一符号的数量;
    所述第一参数用于指示所述时隙中第一个第一符号对应的索引值,所述第二参数用于指示所述时隙中连续的第一符号的数量。
  43. 一种终端,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至21任一项所述的通信资源的确定方法的步骤。
  44. 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1-21任一项所述的通信资源的确定方法。
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