WO2023208213A1 - 同步信号确定方法、资源选择和预留方法、装置、终端及存储介质 - Google Patents

同步信号确定方法、资源选择和预留方法、装置、终端及存储介质 Download PDF

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Publication number
WO2023208213A1
WO2023208213A1 PCT/CN2023/091725 CN2023091725W WO2023208213A1 WO 2023208213 A1 WO2023208213 A1 WO 2023208213A1 CN 2023091725 W CN2023091725 W CN 2023091725W WO 2023208213 A1 WO2023208213 A1 WO 2023208213A1
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Prior art keywords
synchronization signal
resource
information
terminal
resources
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PCT/CN2023/091725
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English (en)
French (fr)
Inventor
杨聿铭
纪子超
刘思綦
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维沃移动通信有限公司
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Publication of WO2023208213A1 publication Critical patent/WO2023208213A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a synchronization signal determination method, resource selection and reservation method, device, terminal and storage medium.
  • LTE Sidelink has a dedicated frequency band. Due to the big difference in the design of LTE Sidelink User Equipment (User Equipment, UE) and New Radio (NR) Sidelink UE, NR Sidelink UE cannot directly access the dedicated frequency band of LTE Sidelink UE for communication. However, the number of NR Sidelink UEs is gradually increasing, and the number of LTE Sidelink UEs is gradually decreasing, resulting in a reduction in the utilization of the dedicated frequency bands of LTE Sidelink UEs. Therefore, how to make NR Sidelink UEs compete with LTE Sidelink UEs on the dedicated frequency bands of LTE Sidelink UEs? Coexistence is a pressing issue.
  • the embodiment of this application provides a synchronization signal determination method that can solve the problem that NR Sidelink UE cannot coexist with LTE Sidelink UE on the dedicated frequency band of LTE Sidelink UE.
  • a synchronization signal determination method is provided, which is applied to a terminal.
  • the method includes: a first terminal receives and/or sends a first synchronization signal, and the first synchronization signal is determined by first information; the first information includes at least the following: One item: there is only one first synchronization signal resource in each cycle, the relationship between the first synchronization signal and the second synchronization signal, there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; where , the first resource is determined by the resource related information of the second synchronization signal.
  • a device for determining a synchronization signal includes: a processing module; the processing module is used to receive and/or send a first synchronization signal, and the first synchronization signal is determined by first information; the first information includes the following At least one item: there is only one first synchronization signal resource in each cycle, the relationship between the first synchronization signal and the second synchronization signal, there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; The first resource is determined by resource related information of the second synchronization signal.
  • a resource selection and reservation method is provided, which is applied to a terminal.
  • the method includes: the first terminal performs resource selection on the first resource pool or the first frequency band; and/or sends second information to perform resource selection. Reserved.
  • a resource selection and reservation device in a fourth aspect, includes: a processing module; the processing module is used to select resources on the first resource pool or the first frequency band; and/or send second information, Make resource reservations.
  • a terminal in a fifth aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in one aspect.
  • a terminal including a processor and a communication interface, wherein the processor is configured to receive and/or send a first synchronization signal, the first synchronization signal is determined by first information; the first information includes at least the following: One item: there is only one first synchronization signal resource in each cycle, the relationship between the first synchronization signal and the second synchronization signal, there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; where , the first resource is determined by the resource related information of the second synchronization signal.
  • a terminal in a seventh aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions When the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in three aspects.
  • a terminal including a processor and a communication interface, wherein the processor is configured to select resources on a first resource pool or a first frequency band; and/or send second information to reserve resources.
  • a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method are implemented as described in the first aspect. The steps of the method described in the third aspect.
  • a chip in a tenth aspect, 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 described in the first aspect. , or implement the method as described in the third 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, or implement the method as described in the third aspect.
  • the first terminal receives and/or sends a first synchronization signal, and the first synchronization signal is determined by first information; the first information includes at least one of the following: the first synchronization signal resource in each cycle is only 1. The relationship between the first synchronization signal and the second synchronization signal, there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; wherein, the first resource is determined by the resource related information of the second synchronization signal. .
  • the first terminal can determine the first synchronization signal according to the first information, where the first information includes the frequency of the first synchronization signal, the relationship between the first synchronization information and the second synchronization signal, the first synchronization signal is located between the second synchronization signal and Therefore, the first terminal determines the corresponding resource pool according to the first synchronization signal and the second synchronization signal. In this way, the first terminal can coexist with other terminals on the dedicated frequency band of the LTE Sidelink UE.
  • Figure 1 is a schematic diagram of data transmission between terminals through Sidelink provided by an embodiment of the present application
  • Figure 2 is a flow chart of a terminal's resource detection and resource selection/reselection process provided by an embodiment of the present application
  • Figure 3 is a schematic diagram of a synchronization signal determination method provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of a synchronization signal configuration method provided by an embodiment of the present application.
  • Figure 5 is a schematic diagram of a resource selection and reservation method provided by an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a synchronization signal determination device provided by an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a resource selection and reservation device provided by an embodiment of the present application.
  • Figure 8 is a schematic diagram of the hardware structure of a communication device provided by an embodiment of the present application.
  • Figure 9 is a schematic diagram of the hardware structure of a terminal provided by an embodiment of the present application.
  • first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced, LTE-A Long Term Evolution
  • LTE-A Long Term Evolution
  • 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
  • NR New Radio
  • the LTE system supports Sidelink (can be translated as side link, secondary link, side link, side link, etc.) transmission, that is, data transmission between terminals can be performed directly on the physical layer.
  • LTE Sidelink communicates based on broadcast. Although it can be used to support basic security communications of vehicle to everything (V2X), it is not suitable for other more advanced V2X services.
  • the 5G NR system will support more advanced Sidelink transmission designs, such as unicast, multicast or multicast, etc., thus supporting more comprehensive service types.
  • Sidelink starting from the 12th release, which is used for direct data transmission between terminals without using network equipment.
  • Figure 1 shows a schematic diagram of data transmission between terminals through Sidelink.
  • NR V2X defines two resource allocation modes, one is mode1, mode1 schedules resources for the base station; the other is mode1, mode1 determines the resources for transmission by the UE itself.
  • the resource information may Broadcast messages or preconfigured information from the base station. If the UE works within the range of the base station and has an RRC connection with the base station, it can use the resource allocation mode of mode1 and/or mode2. If the UE works within the range of the base station but has no RRC connection with the base station, it can only use the resource allocation mode of mode2. . If the UE is outside the range of the base station, it can only use the resource allocation mode of mode2 and perform V2X transmission according to the preconfigured information.
  • the specific working method is as follows: 1. After the resource selection is triggered, the TX UE first determines the resource selection window. The lower boundary of the resource selection window is at the T1 time after the resource selection is triggered. The selected upper boundary is the T2 time after triggering. T2 is a value selected by the UE implementation method within the packet delay budget (PDB) of its TB transmission. T2 is not earlier than T1. 2. Resource allocation in the UE Before selecting, you need to determine the candidate resource set for resource selection, and compare the reference signal receiving power (RSRP) measured on the resources within the resource selection window with the corresponding RSRP threshold (threshold).
  • RSRP reference signal receiving power
  • Figure 2 shows a flow chart of a terminal's resource detection and resource selection/reselection process.
  • the resource pool supports periodic configuration
  • the supported periodic values in the resource pool are 0, [1:99], 100, 200, 300, 400, 500, 600, 700, 800, 900 ,1000ms.
  • RRC can configure up to 16 values from selectable period values, and the configured values include a period configuration of 0ms.
  • the optional cycle values are 20, 50, 100, 200, 300, 400, 500, 600, 700, 800, 900, and 1000ms.
  • T′ max is the number of time slots belonging to the resource pool.
  • LTE Sidelink communication can have its own dedicated frequency band.
  • the current NR Sidelink UE cannot directly access the dedicated frequency band of LTE Sidelink for communication.
  • the utilization rate of the frequency bands allocated to LTE Sidelink UEs decreases. Therefore, it is urgent to design some methods so that NR Sidelink UEs can Coexist with LTE Sidelink UE on some frequency bands.
  • LTE Sidelink and NR Sidelink have different designs for synchronization signals and synchronization processes respectively.
  • the synchronization of LTE Sidelink is based on the primary synchronization signal PSSS and the secondary synchronization signal SSSS, and its signal period is 160ms.
  • the synchronization of NR Sidelink is based on SSB, and SSB can be sent repeatedly within a 160ms period. Because the two signal designs are completely different and configured independently, when determining the resource pool, after excluding the time slot where the synchronization signal is located, the resource pool obtained based on the LTE standard and the NR standard may not be consistent (i.e. Question 1 ).
  • the UE When selecting resources, the UE will determine the reserved resources of other terminals according to the instructions of the control information and the conversion rules of logical time slots and physical time slots.
  • the time slot conversion rules of LTE and NR are different, , if there is no specification, UE may have different understanding of the reserved resources of other UEs and perform wrong resource exclusion, thus affecting transmission reliability.
  • the period reservation information will be carried on the LTE SCI, and the corresponding position of the reservation period will be determined according to the LTE time slot conversion rules.
  • LTE SCI For NR terminals, if LTE SCI is detected, when determining the specific resource location corresponding to the reservation period indicated by LTE SCI, it must be determined according to LTE rules, otherwise the wrong location will be obtained, and resource conflicts cannot be avoided. Resources with better transmission quality may also be excluded.
  • LTE time slot conversion rules are used in a context that is different from the NR time slot conversion rules. It is necessary to solve how to use the LTE time slot conversion rules and the NR time slot conversion rules to indicate different reservation period values so that when the two types of terminals detect the terminal's resource reservation information, they can obtain The only issue is the right to reserve resources.
  • LTE resource conflicts can be resolved by the LTE module.
  • the LTE module is responsible for detecting the LTE SCI and determining the resource location indicated by the LTE SCI. In this way, the NR terminal can obtain the correct resource reservation location.
  • how NR terminals use the reserved resource location information determined by the LTE module during the resource selection process is not standardized. (i.e. question 2)
  • the terminal (UE) provided by the embodiment of the present application 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), or a handheld computer.
  • Computers netbooks, ultra-mobile personal computers (UMPC), mobile Internet devices (MID), augmented reality (AR)/virtual reality (VR) devices, robots, Wearable Device, vehicle-mounted 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 computer, PC), teller machine or self-service machine and other terminal-side devices.
  • Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets) bracelets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the embodiments of this application do not limit the specific type of terminal.
  • the synchronization signal determination method provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through some embodiments and their application scenarios.
  • FIG. 3 shows a flow chart of a synchronization signal determination method provided by an embodiment of the present application.
  • the synchronization signal determination method provided by the embodiment of the present application may include the following step 201.
  • Step 201 The first terminal receives and/or sends a first synchronization signal.
  • the above-mentioned first synchronization signal is determined by first information; the first information includes at least one of the following: there is only one first synchronization signal resource in each cycle, and the relationship between the first synchronization signal and the second synchronization signal. , there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; wherein the first resource is determined by resource related information of the second synchronization signal.
  • the first terminal may be an NR terminal
  • the second terminal may be an LTE terminal, or vice versa.
  • the first terminal and the second terminal may both be NR terminals, or both may be LTE terminals.
  • the first terminal and the second terminal may also be other types of terminals.
  • the embodiment of the present application is explained assuming that the first terminal is an NR terminal and the second terminal is an LTE terminal.
  • the first terminal and the second terminal are terminals of other types, the embodiments of the present application are also provided.
  • the synchronization signal determination method is explained assuming that the first terminal is an NR terminal and the second terminal is an LTE terminal.
  • the above-mentioned first synchronization signal is the synchronization signal of the first terminal (for example, the NR sync signal of the NR terminal: SSB), or the synchronization signal of the NR module of the first terminal (NR sync signal).
  • the above-mentioned second synchronization signal may be the synchronization signal of the second terminal (for example, the LTE sync signal of the LTE terminal: PSSS and SSSS), or the synchronization signal of the LTE module of the first terminal (LTE sync signal).
  • first synchronization signal may be a first synchronization signal or a resource of the first synchronization signal.
  • the first terminal determines the resource of the first synchronization signal according to the first information.
  • the first information includes: there is only one first synchronization signal resource in each cycle, the first synchronization signal and the second synchronization signal.
  • the relationship is that there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; wherein the first resource is determined by the resource related information of the second synchronization signal.
  • the above-mentioned first information may be at least one of the following a to j:
  • the above first information is that there is only one first synchronization signal resource in each cycle.
  • the first synchronization signal when the above-mentioned first information is only one first synchronization signal resource in each cycle, the first synchronization signal may be aligned with the second synchronization signal.
  • the above-mentioned first information is that there is no first synchronization signal resource on the first frequency band.
  • the first terminal when the above-mentioned first information is that there is no first synchronization signal resource on the first frequency band, the first terminal does not transmit on the coexistence frequency band with other terminals (for example, the second terminal).
  • SSB, or the configuration/preconfiguration does not contain SSB resources.
  • the above-mentioned first information includes the relationship between the first synchronization signal and the second synchronization signal; the relationship between the first synchronization signal and the second synchronization signal includes at least one of the following:
  • the resources of the first synchronization signal and the resources of the second synchronization signal are frequency division multiplexed FDM;
  • the offset of the resources of the first synchronization signal relative to the first reference point is the same as the offset of the resources of the second synchronization signal relative to the second reference point, and the first reference point and the second reference point are the same or different;
  • the starting position of the resource of the first synchronization signal is the same as the starting position of the resource of the second synchronization signal;
  • the end position of the resource of the first synchronization signal is the same as the end position of the resource of the second synchronization signal.
  • the above-mentioned first information is the relationship between the first synchronization signal and the second synchronization signal.
  • the position or relative offset of the resource of the first synchronization signal within a synchronization cycle is the same as the position or relative offset of the resource of the second synchronization signal within a synchronization cycle, that is, The starting point alignment or end point alignment of the resource of the synchronization signal.
  • the above-mentioned first information is the relationship between the first synchronization signal and the second synchronization signal.
  • the offset of the resources of the first synchronization signal relative to the first reference point is the same as the offset of the resources of the second synchronization signal relative to the second reference point.
  • the reference point and the second reference point are the same or different.
  • first reference point and/or the second reference point are configured by protocol predefinition/network preconfiguration/network configuration/terminal preconfiguration/terminal configuration.
  • the above-mentioned first information is the relationship between the first synchronization signal and the second synchronization signal.
  • the starting position of the resource of the first synchronization signal is the same as the starting position of the resource of the second synchronization signal.
  • the above-mentioned first information is the relationship between the first synchronization signal and the second synchronization signal.
  • the end position of the resource of the first synchronization signal is the same as the end position of the resource of the second synchronization signal.
  • the above-mentioned first information is the relationship between the first synchronization signal and the second synchronization signal.
  • the first terminal may frequency division multiplex FDM the resources of the first synchronization signal and the resources of the second synchronization signal, that is, configure the resources of the first synchronization signal and the resources of the second synchronization signal.
  • the resources of the first synchronization signal and the resources of the second synchronization signal are configured in at least partially overlapping time units.
  • the first synchronization signal resource and the second synchronization signal resource FDM include at least one of the following:
  • the resources of the first synchronization signal of the first terminal and the resources of the second synchronization signal of the second terminal are located in the same time unit or at least partially overlapping time units;
  • the resources of the first synchronization signal of the NR module of the first terminal and the resources of the second synchronization signal of the LTE module of the first terminal are located in the same time unit or at least partially overlapping time units;
  • the subcarrier position of the first synchronization signal with sequence number 0 is N subcarrier positions higher in the frequency domain than the subcarrier with the highest sequence number of the second synchronization signal (that is, the first synchronization signal is above the resources of the second synchronization signal, thereby achieving frequency division Duplex (Frequency Division Duplexing, FDD) purpose).
  • FDD Frequency Division Duplexing
  • the subcarrier position with the highest serial number of the first synchronization signal is N subcarrier positions lower in the frequency domain than the subcarrier with the highest serial number of the second synchronization signal (that is, the first synchronization signal is below the resources of the second synchronization signal, thereby achieving the FDD Purpose).
  • the frequency domain position can be Configure in any configurable location. Therefore, when the SCS is 15K and 30K, as shown in Figure 4, the LTE sync signal and the NR signal can be configured in the same subframe in the form of FDD, which can ensure that the resource pool is viewed from the LTE perspective and the NR perspective.
  • the logical time slots are the same to avoid different configurations.
  • the synchronization signal time domain of the CC occupied by the NR module and the CC occupied by the LTE module when the first terminal performs CA can be Consistent or inclusive relationship.
  • the first information is that the first synchronization signal is located in the first resource; the first synchronization signal being located in the first resource includes at least one of the following:
  • the first synchronization signal is configured in the downlink Downlink time slot and/or flexible time slot of the LTE time division duplex TDD configuration information; because the resource pool configuration of the secondary link generally only includes the uplink Uplink time slot and the uplink time slot in the TDD configuration information. / or flexible time slot, so when the first synchronization signal is configured in the downlink downlink time slot and / or flexible time slot of LTE time division duplex TDD configuration information, there will be no resource pool determined by LTE.
  • the first synchronization signal overlaps resources, thereby avoiding conflicts between LTE data transmission and NR synchronization signals.
  • the first synchronization signal is configured in the resource whose resource pool configuration information of the target secondary link indicates 0; because the resource pool configuration of the secondary link will indicate which resources are located in the resource pool through the bitmap, only the resources with a bitmap of 1 are located in the resource pool. Resource pool resources, therefore when the first synchronization signal is configured in the resource indicated by the LTE secondary link resource pool configuration information as 0, there will be no resources overlapping the first synchronization signal in the resource pool determined by LTE, so Avoid conflicts between LTE data transmission and NR synchronization signals.
  • the above-mentioned first information is that the first synchronization signal is located in the first resource
  • the first synchronization signal may be configured in time division duplex mode.
  • TDD Time Division Duplexing
  • the above-mentioned first information is that the first synchronization signal is located in the first resource
  • the first synchronization signal may be configured in a resource whose configuration information indication (bitmap) of the target secondary link resource pool (for example, LTE resource pool) is 0.
  • bitmap configuration information indication
  • the above-mentioned first information is that the first synchronization signal is located in the first resource
  • the first terminal may reuse the second synchronization signal (for example, the synchronization signal received and/or sent by the first terminal belongs to the LTE sync signal).
  • the second synchronization signal for example, the synchronization signal received and/or sent by the first terminal belongs to the LTE sync signal.
  • reusing the second synchronization signal includes at least one of the following:
  • the synchronization signal sent is the long-term evolution system LTE synchronization signal
  • the time slot where the second synchronization signal is located is excluded;
  • the first terminal when the first terminal receives and/or sends the first synchronization signal, the first terminal can solve the problem of resource pool configuration inconsistency when the first synchronization signal is determined through the above-mentioned first information.
  • the embodiment of the present application provides a method for determining a synchronization signal.
  • the first terminal receives and/or sends the first synchronization signal, and the first synchronization signal is determined by the first information;
  • the information includes at least one of the following: there is only one first synchronization signal resource in each cycle, the relationship between the first synchronization signal and the second synchronization signal, there is no first synchronization signal resource in the first frequency band, the first synchronization signal is located in the A resource; wherein the first resource is determined by resource related information of the second synchronization signal.
  • the first terminal can determine the first synchronization signal according to the first information, where the first information includes the frequency of the first synchronization signal, the relationship between the first synchronization information and the second synchronization signal, the first synchronization signal is located between the second synchronization signal and resources determined by the resource related information, and since the second synchronization signal can only be configured in the frequency domain center of the partial bandwidth BWP, the first synchronization signal can be configured in any configurable position. Therefore, the second synchronization signal can be configured in an FDD manner. The first synchronization signal and the second synchronization signal are configured in the same subframe. In this way, different configurations can be avoided, and the first terminal can determine the corresponding resource pool according to the first synchronization signal. In this way, the first terminal can communicate with other terminals in the same subframe. LTE Sidelink coexists on the dedicated frequency band of UE.
  • Embodiments of the present application provide a method for determining a synchronization signal.
  • the first terminal receives and/or sends a first synchronization signal.
  • the first synchronization signal is determined by first information; the first information includes at least one of the following: the first synchronization signal in each cycle.
  • the resource related information is determined.
  • the first terminal can determine the first synchronization signal according to the first information, where the first information includes the frequency of the first synchronization signal, the first synchronization information and the second synchronization signal
  • the first synchronization signal is located in the resource determined by the resource related information of the second synchronization signal. Therefore, the first terminal determines the corresponding resource pool according to the first synchronization signal and the second synchronization signal. In this way, the first terminal can Coexist with other terminals on the dedicated frequency band of LTE Sidelink UE.
  • FIG. 5 shows a flow chart of a resource selection and reservation method provided by this embodiment of the present application.
  • the resource selection and reservation method provided by the embodiment of the present application may include the following steps 301 and/or 401.
  • Step 301 The first terminal selects resources on the first resource pool or the first frequency band.
  • the first resource pool is a resource pool where the first terminal and the second terminal coexist
  • the first frequency band is a frequency band where the first terminal and the second terminal coexist.
  • the coexistence resource pool means that the resource pool configured for the first terminal and the resource pool of the second terminal at least partially overlap. Since this part of the overlapping resources can be used by both the first terminal and the second terminal, it is referred to as the third terminal.
  • the coexistence frequency band refers to the frequency band where both the first terminal and the second terminal are deployed.
  • Step 401 The first terminal sends second information to reserve resources.
  • only terminals with the first module are allowed to access the first resource pool or the first frequency band.
  • NR terminals with LTE modules can detect LTE SCI through the LTE module and send LTE SCI to solve the problem of being unable to detect SCI with LTE terminals. Indicates resource reservation issues, thereby resolving resource conflicts between the two access technologies.
  • the network configuration/preconfiguration of the first terminal may refer to the LTE network configuration.
  • the resource pool or frequency band configuration configured for NR terminals can be consistent with the resource pool configuration or frequency band configuration of LTE terminals, thereby solving many problems caused by different configuration parameters in coexistence scenarios. For example, if the NR resource pool also references LTE's SCS configuration of 15KHz, it can be consistent with LTE, and there is no need to solve the problem of LTE terminals being unable to decode SCI and reference signals other than the 15KHz configuration.
  • NR base station provides LTE resource pool or frequency configuration to NR UE, or the pre-configuration of NR UE includes LTE resource pool or frequency configuration for NR Sidelink transmission, which is used for NR Sidelink transmission. .
  • the configuration of the first resource pool or the first frequency band includes at least one of the following:
  • Reservation period set configuration information (SL-RestrictResourceReservationPeriodList/SL-RestrictResourceReservationPeriod); for example, parameters used to indicate the reservation period set of LTE terminals.
  • Subchannel size configuration information (Subchannel size(sizeSubchannel-r14)); for example, parameters used to indicate the subchannel size configuration of the resource pool where the LTE terminal is located.
  • Subchannel number configuration information (Subchannel number(numSubchannel-r14)); for example, parameters used to indicate the configuration of the number of subchannels in the resource pool where the LTE terminal is located.
  • TDD configuration information for example, parameters used to indicate LTE time division duplex subframe or time slot configuration.
  • SL-CommResourcePool Secondary link communication resource pool configuration information (SL-CommResourcePool); for example, parameters used to indicate LTE resource pool configuration.
  • SL-CommConfig Secondary link communication configuration information
  • System InformationBlockType21 System InformationBlockType21
  • SIB21 system information block information
  • SIB21 system information SIB21 under LTE SL.
  • the first resource pool does not include time slots with resources for the first synchronization signal and time slots with resources for the second synchronization signal.
  • the first synchronization signal is the first terminal synchronization signal
  • the second synchronization signal is the first synchronization signal.
  • the synchronization signal is the second terminal synchronization signal. (That is, the time slots belonging to the Sidelink resource pool exclude time slots configured with NR SSB and LTE sync signals.)
  • the time slots in which the first synchronization signal (such as SSB) and the second synchronization signal (such as the LTE sync signal) are located can be excluded by modifying the LTE and NR resource pool configuration rules. Solve the problem of inconsistent resource pool configuration.
  • step 301 can be specifically implemented through the following step 301a.
  • Step 301a The first terminal performs resource processing on the target resource set according to the target information.
  • the above-mentioned target resource set is the secondary link candidate resource set of the first terminal;
  • the target information includes at least one of the following: reserved resources of the second terminal, first information, specific resource set, and second synchronization signal time unit;
  • the second synchronization signal is the synchronization signal of the second terminal;
  • the first information includes at least one of the following: the secondary link control information SCI of the first terminal, the reference signal received power of the resources in the target resource set RSRP, target resource set
  • the first terminal may be an NR terminal
  • the second terminal may be an LTE terminal, or vice versa.
  • the first terminal and the second terminal may both be NR terminals, or both may be LTE terminals.
  • the first terminal and the second terminal may also be other types of terminals.
  • the embodiment of the present application is explained assuming that the first terminal is an NR terminal and the second terminal is an LTE terminal.
  • the first terminal and the second terminal are terminals of other types, the embodiments of the present application are also provided.
  • the synchronization signal determination method is explained assuming that the first terminal is an NR terminal and the second terminal is an LTE terminal.
  • the above-mentioned first synchronization signal is the synchronization signal of the first terminal (for example, the NR sync signal of the NR terminal: SSB), or the synchronization signal of the NR module of the first terminal (NR sync signal).
  • the above-mentioned second synchronization signal may be the synchronization signal of the second terminal (for example, the LTE sync signal of the LTE terminal: PSSS and SSSS), or the synchronization signal of the LTE module of the first terminal (LTE sync signal).
  • the above target information may be at least one of the following a to f:
  • the above target information is the reserved resources of the second terminal.
  • the target information is the reserved resources of the second terminal, and the reserved resources include a reservation period and the number of logical time slots corresponding to the reservation period.
  • the first terminal may determine the logical location or physical location of the resource according to the first rule, where the first rule is:
  • the above step 301a can be specifically implemented through the following steps 301a1 and 301a2.
  • Step 301a1 The first terminal determines the resources in the corresponding target resource set according to the reservation period and the number of logical time slots corresponding to the reservation period;
  • Step 301a2 The first terminal excludes resources from the target resource set according to the resources in the target resource set.
  • the target resource set refers to the candidate resource set in the resource selection process.
  • the candidate resource set will be initialized according to the resource selection window at the beginning of resource selection, and then the resources that meet the exclusion conditions will be excluded, and finally a candidate resource set will be obtained that can be reported to the MAC layer.
  • the MAC layer randomly selects resources from the reported candidate resource set as the terminal's transmission resources.
  • the above target information is the reserved resources of the second terminal.
  • the first terminal receives SCI format 1. If the period reservation indication field in SCI format 1 exists, the period reservation indication field of the SCI format 1 can indicate the reservation period. , the priority indication field indicates the priority.
  • this priority is the priority of the transport resource block (Transport Block, TB) corresponding to the SCI.
  • step 301a when the target information is the first information, the above step 301a can be specifically implemented through the following step 301a3.
  • Step 301a3 The first terminal excludes resources from the target resource set that meet the first target condition based on the first information.
  • the first target condition includes at least one of the following:
  • the period reservation indication field of SCI indicates the reservation period
  • the priority indication field of SCI indicates the priority
  • the RSRP corresponding to the resource is greater than or equal to the first threshold
  • the priority of the resource is greater than or equal to the second threshold
  • the resource overlaps with the reserved resource corresponding to the resource indicated by the SCI.
  • the first terminal receives the first information, which includes the detected reservation period, priority, and measured RSRP of SCI format 1, and uses this information to Some resource selection processes only need to exclude resources that meet the conditions. At this time, it is equivalent to the first terminal processing the reserved resources of the LTE terminal or LTE module according to the process of processing the detected NR reserved resources.
  • the above target information is a specific resource collection
  • the LTE reserved resource information received by the first terminal or the NR module of the first terminal is in the form of a resource set, without other related information such as priority or RSRP. Therefore, this resource set only needs to be processed in a certain step of resource selection. , there is no need to exclude LTE reserved resources by judging priority, RSRP, etc. according to the entire resource selection process.
  • the first terminal may exclude a specific resource set from the candidate resource set.
  • step 301a when the target information is a specific resource set, the above step 301a can be specifically implemented through the following step 301a4.
  • Step 301a4 The first terminal performs resource exclusion on a specific resource set in the target resource set.
  • the specific resource set is determined by the first module; the specific resource set is passed by the first module to the second module.
  • the above-mentioned first module is an LTE module
  • the above-mentioned second module is an NR module.
  • step 301a4 may be specifically implemented through the following step 11 and/or step 12.
  • Step 11 When the first terminal determines that the target resource set satisfies the condition, the first terminal excludes resources that overlap with the specific resource set from the target resource set (that is, the physical layer of the first terminal determines that X*Mtotal is satisfied. After the candidate resource set, resources that overlap with a specific resource set are excluded from the candidate resource set).
  • Step 12 The MAC layer of the first terminal excludes resources that overlap with the specific resource set from the resource set reported by the physical layer.
  • the above target information is a specific resource collection
  • the first terminal may exclude resources that overlap with a specific resource set after the candidate resource set is initialized. That is, after the first terminal initializes the candidate resource set according to the resource selection window, the first terminal Set exclusion.
  • step 301a when the target information is a specific resource set, the above step 301a can be specifically implemented through the following step 301a5.
  • Step 301a5 The first terminal initializes the target resource set, and excludes resources from the initialized target resource set that overlap with the specific resource set.
  • the above target information is the reserved resources of the second terminal.
  • the NR module when the LTE module of the first terminal detects LTE reserved resources, the NR module performs resource exclusion and/or resource reservation based on the resources determined by the LTE module (i.e., information sharing decoded by the LTE module) to the NR module).
  • the above step 301a can be specifically implemented through the following step 301a6.
  • Step 301a6 When the first terminal detects the reserved resources of the second terminal, the first terminal excludes the reserved resources of the second terminal from the target resource set.
  • the first terminal when the first terminal has both the first module (NR module) and the second module (LTE module), it is allowed to be configured on the same frequency resource pool (that is, resources that are allowed to be accessed by the LTE terminal) Pool, only when the NR terminal has two modules at the same time and can exchange resource detection and other information with each other, the NR terminal can be configured in this resource pool).
  • the same frequency resource pool that is, resources that are allowed to be accessed by the LTE terminal
  • the above target information is the time unit of the second synchronization signal.
  • the MAC layer of the first terminal indicates a reservation period supported by LTE, and determines the actual location of the period reservation according to the LTE conversion rules, so that the LTE module or the LTE SCI to be sent
  • the indication period value is determined according to the period indicated by the MAC layer. If it is also necessary to send NR SCI or the NR module needs to send SCI, the reservation period corresponding to the periodic reserved resource is determined according to the NR time slot conversion rules, which is indicated by SCI. Therefore, in order to prevent the reservation period calculated according to the NR rules from not being configured in the resource pool configuration, it is necessary to configure the reservation period from 1 to 99 ms in the resource pool during configuration.
  • step 301a when the target information is the time unit in which the second synchronization signal is located; the above step 301a can be specifically implemented through the following step 301a7.
  • Step 301a7 The first terminal excludes the time slot in which the second synchronization signal is located in the target resource set.
  • the second synchronization signal is a synchronization signal of the second terminal.
  • step 301a7 may be specifically implemented through the following step 13 and/or step 14.
  • Step 13 The first terminal determines the time slot of the second synchronization signal, and excludes corresponding resources from the target resource set according to the time slot of the second synchronization signal.
  • Step 14 The first terminal obtains the time slot of the second synchronization signal through the high-layer configuration information, and excludes corresponding resources from the target resource set according to the time slot of the second synchronization signal.
  • step 401 can be specifically implemented through the following step 401.
  • Step 401 The first terminal sends the second information according to the third information to reserve resources.
  • the third information includes: the reservation period indicated in the high-layer instruction information and/or the number of logical time slots corresponding to the reservation period.
  • the second information includes: first control information and/or second control information.
  • the reservation period indicated by the first control information is determined according to the instruction information of the higher layer.
  • the reservation period indicated by the second control information is determined based on the reserved resource location indicated by the first control information and/or the number of logical time slots corresponding to the reservation period.
  • the above-mentioned first control information is LTE SCI
  • the above-mentioned second control information is NR SCI.
  • step 401 can be specifically implemented through the following step 401a.
  • Step 401a The first terminal sends the second information according to the fourth information to reserve resources;
  • the fourth information is that the reservation period configured for the resource pool includes a first period set.
  • the first period set is 1-99 ms.
  • step 301 may also be implemented through the following step 301b.
  • Step 301b When the first terminal selects resources, the first terminal selects resources in the target resource set that can indicate the physical secondary link feedback channel PSFCH occasion through the retransmission indication information. Alternatively, the first terminal detects that another first terminal indicates a PSFCH occasion, and the first terminal selects a resource in the target resource set that can indicate the PSFCH occasion through retransmission indication information.
  • step 301 can also be implemented through the following step 301c.
  • Step 301c When the first module of the first terminal triggers resource reporting at time N, the second module of the first terminal uses the information of the first module to select and/or report resources to the MAC layer.
  • the LTE module of the first terminal triggers resource reporting, that is, reports the detected resource reservation information to the higher layer or the second module of the terminal. Then due to the processing delay, the first terminal The second module can only use the information of the first module to select resources and report to higher layers such as the MAC layer only after K time has elapsed.
  • step 301 may also be implemented through the following step 301d.
  • Step 301d The first terminal triggers resource reporting at time n.
  • the second module of the first terminal can use the information of the first module to select resources and/or report the candidate resource set to the MAC layer after time n+K.
  • step 401 may also be implemented through the following step 401b and/or step 401c.
  • Step 401b The first terminal sends the first control information.
  • Step 401c The first terminal sends the PSFCH and/or the first synchronization signal in the resource indicated by the first control information.
  • the first control information is the SCI of the second terminal.
  • the second terminal since the second terminal will avoid resources indicated by other second terminals or LTE modules by detecting the LTE SCI, if the first terminal indicates or reserves the resource location by sending the LTE SCI, it can in the corresponding The PSFCH or synchronization signal is configured or transmitted on the resource. By relying on the LTE terminal to avoid this resource, the purpose of not causing resource conflict with the transmission of the LTE terminal or LTE module is achieved.
  • the DFN offset indicated in the first configuration information of the first frequency band is the same as the DFN offset indicated in the second configuration information.
  • the first terminal when the first terminal selects the Global Navigation Satellite System (GNSS) as the synchronization source, it will consider a timer offset value (timing offset) when determining the DFN.
  • This timing offset is determined by the RRC parameter instruct.
  • the timing offset of DFN is indicated by sl-OffsetDFN. If the timing offset of the LTE terminal and the NR terminal are different, the determined DFN will be inconsistent, thus affecting synchronization. Therefore, in order to keep LTE terminals and NR terminals synchronized on the coexistence frequency band to solve problems such as resource conflicts, the DFN offsets of LTE and NR are pre-configured to be the same or the same offset is configured during network configuration.
  • the embodiment of the present application provides a resource selection and reservation method.
  • the first solution is to convert NR
  • the time slot conversion rules are modified to the same conversion rules as those of LTE. At this time, there is only one conversion rule in the system, and there is no need to solve complex conversion problems.
  • the second solution is to use two rules to calculate the corresponding reservation period values and carry them in the corresponding SCI, so that the receiving end can determine the reserved resources based on the type of the received SCI.
  • the period reservation values defined under the LTE standard and the NR standard have different configurations, and the period reservation value set under the LTE standard is a subset of the period reservation value set under the NR standard, in order to avoid the calculated period Not being in the set makes it impossible to indicate. Therefore, when the terminal receives the reservation period indicated by the MAC, it needs to determine the specific period reserved resource location according to the LTE time slot conversion rules, and then calculate it based on this resource location and the NR time slot conversion rules.
  • NR SCI should indicate the reserved period value to ensure higher indication accuracy.
  • NR SCI in order to ensure that the calculated reservation period value NR SCI can also be indicated, it is necessary to limit the reservation period value indicated by the MAC to be indicated by NR SCI after conversion, or to configure 1 to 99ms in In the set of reservation periods supported by this resource pool.
  • a variety of different methods are provided for the problem of how NR terminals use the information transmitted by the LTE module. For example, the resources determined by the LTE module are excluded when initializing the candidate resource set; or the resources determined by the LTE module are excluded before or after the final reported candidate resource set is determined; or the candidate resources reported by the MAC layer from the physical layer The resources determined by the LTE module are excluded from the set and do not require additional processing by the physical layer.
  • the execution subject may be a synchronization signal determination device.
  • the synchronization signal determination method performed by the synchronization signal determination apparatus is used as an example to illustrate the synchronization signal determination apparatus provided by the embodiment of the present application.
  • Figure 6 shows a possible structural schematic diagram of the synchronization signal determination device involved in the embodiment of the present application.
  • the synchronization signal determining device 60 may include: a processing module 61 .
  • the processing module 61 receives and/or sends the first synchronization signal, and the first synchronization signal is determined by the first information;
  • the first information includes at least one of the following: there is only one first synchronization signal resource in each cycle, the first The relationship between the synchronization signal and the second synchronization signal is that there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; wherein the first resource is determined by the resource related information of the second synchronization signal.
  • the first information includes the relationship between the first synchronization signal and the second synchronization signal; the relationship between the first synchronization signal and the second synchronization signal includes at least one of the following: the resource of the first synchronization signal and the third synchronization signal.
  • the resources of the two synchronization signals are frequency division multiplexed FDM; the offset of the resources of the first synchronization signal relative to the first reference point is the same as the offset of the resources of the second synchronization signal relative to the second reference point, and the first reference point and the second reference point are The two reference points are the same or different; the starting position of the resource of the first synchronization signal is the same as the starting position of the resource of the second synchronization signal; the end position of the resource of the first synchronization signal is the same as the end position of the resource of the second synchronization signal.
  • the resources of the first synchronization signal and the resources of the second synchronization signal FDM include at least one of the following: the resources of the first synchronization signal and the resources of the second synchronization signal are located in the same time unit or at least partially overlap. Time unit; the resources of the first synchronization signal are above the resources of the second synchronization signal; the resources of the first synchronization signal are below the resources of the second synchronization signal.
  • the first information is that the first synchronization signal is located in the first resource; the first synchronization signal being located in the first resource includes at least one of the following: the first synchronization signal is configured in the downlink of the time division duplex TDD configuration information In Downlink time slots and/or flexible time slots; the first synchronization signal is configured in the resource indicated by the target secondary link resource pool configuration information as 0; and the second synchronization signal is reused.
  • reusing the second synchronization signal includes at least one of the following: the synchronization signal sent is a long-term evolution system LTE synchronization signal; reusing the physical layer design rules of the second synchronization signal; in the case of determining the target resource pool Below, the time slot in which the second synchronization signal is located is excluded; there is only one first synchronization signal resource in each cycle.
  • the terminal provided by the embodiment of this application can implement each process implemented in the first method embodiment above and achieve the same technical effect. To avoid duplication, details will not be described here.
  • the synchronization signal determination device in the embodiment of the present application may be a device, a device with an operating system or a UE, or it may be a component, integrated circuit, or chip in the UE.
  • the device or electronic device may be a mobile terminal or a non-mobile terminal.
  • mobile terminals may include but are not limited to the types of terminals 11 listed above.
  • Non-mobile terminals may be servers, network attached storage (Network Attached Storage, NAS), personal computers (personal computers, PC), televisions ( television, TV), teller machines or self-service machines, etc., there are no specific limitations in the embodiments of this application.
  • the execution subject may be a resource selection and reservation device.
  • the resource selection and reservation device performing the resource selection and reservation method is used as an example to illustrate the resource selection and reservation device provided by the embodiment of the present application.
  • Figure 7 shows a possible structural diagram of the resource selection and reservation device involved in the embodiment of this application.
  • the resource selection and reservation device 70 may include: a processing module 71;
  • the processing module 71 is used to select resources on the first resource pool or the first frequency band; and/or send second information to reserve resources.
  • the first resource pool is a resource pool where the first terminal and the second terminal coexist; and/or the first frequency band is a frequency band where the first terminal and the second terminal coexist.
  • the first resource pool or the first frequency band allows only terminals with the first module to access.
  • the configuration of the first resource pool or the first frequency band includes at least one of the following: reservation period set configuration information; sub-channel size configuration information; sub-channel number configuration information; time division duplex TDD configuration information ; Secondary link communication resource pool configuration information; Secondary link communication configuration information; System information block information.
  • the first resource pool does not include time slots of resources with a first synchronization signal and time slots of resources with a second synchronization signal.
  • the first synchronization signal is a first terminal synchronization signal
  • the second synchronization signal The signal is the second terminal synchronization signal.
  • the processing module 71 is specifically configured to perform resource processing on a target resource set according to target information.
  • the target resource set is a secondary link candidate resource set of the first terminal;
  • the target information includes at least one of the following: The reserved resources of the second terminal, the first information, the specific resource set, and the time unit in which the second synchronization signal is located;
  • the second synchronization signal is the synchronization signal of the second terminal;
  • the first information includes at least one of the following: first The secondary link control information SCI of the terminal, the reference signal received power RSRP of the resources in the target resource set, and the priority of the resources in the target resource set;
  • the second synchronization signal is the synchronization signal of the second terminal.
  • the target information is the reserved resources of the second terminal, and the reserved resources include the reservation period and the number of logical time slots corresponding to the reservation period; the processing module 71 is specifically configured to calculate the reservation period and the number of logical time slots corresponding to the reservation period.
  • the number of logical time slots corresponding to the reservation period determines the resources in the corresponding target resource set; the first terminal excludes resources from the target resource set according to the resources in the target resource set.
  • the target information is the first information; the processing module 71 is specifically configured to exclude resources from the target resource set that meet the first target condition according to the first information; wherein the first target condition Including at least one of the following: the periodic reservation indication field of the SCI indicates the reservation period; the priority indication field of the SCI indicates the priority; the RSRP corresponding to the resource is greater than or equal to the first threshold; the priority of the resource is greater than or equal to The second threshold value: the resource overlaps with the reserved resource corresponding to the resource indicated by the SCI.
  • the target information is a specific resource set; the processing module 71 is specifically used for at least one of the following: performing resource exclusion on a specific resource set in the target resource set; wherein the specific resource set is processed by the first module OK; a specific collection of resources is passed from the first module to the second module.
  • the processing module 71 is specifically configured to at least one of the following: when the first terminal determines that the target resource set satisfies the condition, exclude resources that overlap with the specific resource set from the target resource set. ;Exclude resources that overlap with a specific resource set from the resource set reported by the physical layer.
  • the target information is a specific resource set; the processing module 71 is specifically configured to initialize the target resource set, and exclude resources from the initialized target resource set that overlap with the specific resource set.
  • the target information is the reserved resources of the second terminal; the processing module 71 is specifically configured to exclude the first terminal from the target resource set when the first terminal detects the reserved resources of the second terminal. Reserved resources for the second terminal.
  • the target information is the time unit where the second synchronization signal is located; the processing module 71 is specifically used to exclude the time slot where the second synchronization signal is located in the target resource set, and the second synchronization signal is the second terminal sync signal.
  • the processing module 71 is specifically configured to at least one of the following: determine the time slot of the second synchronization signal, and exclude the corresponding resources from the target resource set according to the time slot of the second synchronization signal; The time slot of the second synchronization signal is obtained through the high-layer configuration information, and corresponding resources in the target resource set are excluded based on the time slot in which the second synchronization signal is located.
  • the processing module 71 is specifically configured to send second information to reserve resources according to the third information; wherein the third information includes: the reservation period and/or indicated in the high-level instruction information. Or the number of logical time slots corresponding to the reservation period; the second information includes: first control information, and/or second control information; wherein the reservation period indicated by the first control information is determined according to the instruction information of the higher layer; the second control The reservation period indicated by the information is determined based on the reserved resource location indicated by the first control information and/or the number of logical time slots corresponding to the reservation period.
  • the processing module 71 is specifically configured to send second information to reserve resources according to the fourth information; wherein the fourth information is that the reservation period configured for the resource pool includes the first period set.
  • the processing module 71 is specifically configured to select resources in the target resource set that indicate the physical secondary link feedback channel PSFCH occasion through the retransmission indication information when the first terminal selects resources.
  • the processing module 71 is specifically configured to use the first module through the second module after time n+K when the first module of the first terminal triggers resource reporting at time N.
  • the information is used for resource selection and/or reporting to the MAC layer.
  • the processing module 71 is specifically configured to trigger resource reporting at time n, and use the information of the first module to select resources and/or report the candidate resource set to the MAC layer after time n+K.
  • the processing module 71 is specifically configured to at least one of the following: send the first control information; and/or send the PSFCH and/or the first synchronization signal in the resource indicated by the first control information; wherein, The first control information is the SCI of the second terminal.
  • the DFN offset indicated in the first configuration information of the first frequency band is the same as the DFN offset indicated in the second configuration information.
  • the resource selection and reservation device provided by the embodiment of the present application can implement each process implemented in the above-mentioned Embodiment 2 and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • the resource selection and reservation device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a terminal or other devices other than the terminal.
  • terminals may include but are not limited to the types of terminals listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiments of this application.
  • NAS Network Attached Storage
  • this embodiment of the present application also provides a communication device 800, which includes a processor 801 and a memory 802.
  • the memory 802 stores programs or instructions that can be run on the processor 801, for example.
  • the communication device 800 is a terminal
  • the program or instruction is executed by the processor 801, each step of the above-mentioned synchronization signal determination method embodiment is implemented, or when the program or instruction is executed by the processor 801, each step of the above-mentioned resource selection and reservation method embodiment is realized, and can achieve The same technical effects are not repeated here to avoid repetition.
  • Embodiments of the present application also provide a terminal, including a processor and a communication interface.
  • the processor is used by the first terminal to receive and/or send a first synchronization signal.
  • the first synchronization signal is determined by first information; the first information includes at least one of the following: Items: There is only one first synchronization signal resource in each cycle, the relationship between the first synchronization signal and the second synchronization signal, there is no first synchronization signal resource on the first frequency band, and the first synchronization signal is located in the first resource; where, The first resource is determined by resource related information of the second synchronization signal.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 9 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, etc. At least some parts.
  • the terminal 100 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply may be logically connected to the processor 110 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or may combine certain components, or arrange different components, which will not be described again here.
  • the input unit 104 may include a graphics processing unit (Graphics Processing Unit, GPU) 1041 and a microphone 1042.
  • the graphics processor 1041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras).
  • the display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 107 includes a touch panel 1071 and at least one of other input devices 1072 .
  • Touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
  • the radio frequency unit 101 after receiving downlink data from the network side device, the radio frequency unit 101 can transmit it to the processor 110 for processing; in addition, the radio frequency unit 101 can send uplink data to the network side device.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • Memory 109 may be used to store software programs or instructions as well as various data.
  • the memory 109 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 for at least one function (such as a sound playback function, Image playback function, etc.) etc.
  • memory 109 may include volatile memory or nonvolatile memory, or memory 109 may include both volatile and nonvolatile memory.
  • 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), electrically removable 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 link 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
  • synchronous dynamic random access memory Synchronous DRAM, SDRAM
  • Double data rate synchronous dynamic random access memory Double Data Rate SDRAM, DDRSDRAM
  • Enhanced SDRAM, ESDRAM synchronous link dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus random access memory
  • the processor 110 may include one or more processing units; optionally, the processor 110 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 110 .
  • the processor 110 is used to receive and/or send a first synchronization signal, and the first synchronization signal is determined by first information; the first information includes at least one of the following: there is only one first synchronization signal resource in each cycle, The relationship between a synchronization signal and a second synchronization signal is that the first synchronization signal resource does not exist in the first frequency band, and the first synchronization signal is located in the first resource; wherein the first resource is determined by the resource related information of the second synchronization signal.
  • the processor 110 is used to select resources on the first resource pool or the first frequency band; and/or send the second information, Make resource reservations.
  • the processor 110 is specifically configured to perform resource processing on a target resource set according to target information.
  • the target resource set is a secondary link candidate resource set of the first terminal;
  • the target information includes at least one of the following: : the reserved resources of the second terminal, the first information, the specific resource set, and the time unit in which the second synchronization signal is located;
  • the second synchronization signal is the synchronization signal of the second terminal;
  • the first information includes at least one of the following: The secondary link control information SCI of a terminal, the reference signal received power RSRP of the resources in the target resource set, and the priority of the resources in the target resource set;
  • the second synchronization signal is the synchronization signal of the second terminal.
  • the target information is the reserved resources of the second terminal, and the reserved resources include a reservation period and the number of logical time slots corresponding to the reservation period; the processor 110 is specifically configured to perform the processing according to the reservation period.
  • the number of logical time slots corresponding to the reservation period determines the resources in the corresponding target resource set; the first terminal excludes resources from the target resource set according to the resources in the target resource set.
  • the target information is the first information; the processor 110 is specifically configured to exclude resources from the target resource set that meet the first target condition according to the first information; wherein, the first target The conditions include at least one of the following: the periodic reservation indication field of the SCI indicates the reservation period; the priority indication field of the SCI indicates the priority; the RSRP corresponding to the resource is greater than or equal to the first threshold; the priority of the resource is greater than or Equal to the second threshold value; the resource overlaps with the reserved resource corresponding to the resource indicated by the SCI.
  • the target information is a specific resource set; the processor 110 is specifically configured to perform at least one of the following: perform resource exclusion on a specific resource set in the target resource set; wherein the specific resource set is represented by the first Module determination; a specific set of resources is passed from the first module to the second module.
  • the processor 110 is specifically configured to perform at least one of the following: when the first terminal determines that the target resource set satisfies the condition, select resources that overlap with the specific resource set from the target resource set.
  • Exclude Exclude resources that overlap with a specific resource set from the resource set reported by the physical layer.
  • the target information is a specific resource set; the processor 110 is specifically configured to initialize the target resource set, and exclude resources from the initialized target resource set that overlap with the specific resource set.
  • the target information is the reserved resources of the second terminal; the processor 110 is specifically configured to select the reserved resources from the target resource set when the first terminal detects the reserved resources of the second terminal. Exclude the reserved resources of the second terminal.
  • the target information is the time unit in which the second synchronization signal is located; the processor 110 is specifically configured to exclude the time slot in which the second synchronization signal is located in the target resource set, and the second synchronization signal is the second synchronization signal. Terminal synchronization signal.
  • the processor 110 is specifically configured to at least one of the following: determine the time slot of the second synchronization signal, and exclude corresponding resources from the target resource set according to the time slot of the second synchronization signal. ; Obtain the time slot of the second synchronization signal through the high-layer configuration information, and exclude corresponding resources from the target resource set according to the time slot where the second synchronization signal is located.
  • the processor 110 is specifically configured to send second information to reserve resources according to the third information; wherein the third information includes: the reservation period indicated in the high-level instruction information and /or the number of logical time slots corresponding to the reservation period; the second information includes: first control information, and/or second control information; wherein the reservation period indicated by the first control information is determined according to the instruction information of the higher layer; second The reservation period indicated by the control information is determined based on the reserved resource location indicated by the first control information and/or the number of logical time slots corresponding to the reservation period.
  • the third information includes: the reservation period indicated in the high-level instruction information and /or the number of logical time slots corresponding to the reservation period
  • the second information includes: first control information, and/or second control information; wherein the reservation period indicated by the first control information is determined according to the instruction information of the higher layer; second The reservation period indicated by the control information is determined based on the reserved resource location indicated by the first control information and/or the number of logical time slots corresponding to the reservation period.
  • the processor 110 is specifically configured to send the second information to reserve resources according to the fourth information; wherein the fourth information is that the reservation period configured for the resource pool includes the first period set. .
  • the processor 110 is specifically configured to select resources in the target resource set that indicate the physical secondary link feedback channel PSFCH occasion through the retransmission indication information when the first terminal selects resources.
  • the processor 110 is specifically configured to use the first module through the second module after time n+K when the first module of the first terminal triggers resource reporting at time N.
  • the module information is used for resource selection and/or reporting to the MAC layer.
  • the processor 110 is specifically configured to trigger resource reporting at time n, and use the information of the first module to select resources and/or report the candidate resource set to the MAC layer after time n+K. .
  • the processor 110 is specifically configured to at least one of the following: send the first control information; and/or send the PSFCH and/or the first synchronization signal in the resource indicated by the first control information; wherein , the first control information is the SCI of the second terminal.
  • Embodiments of the present application also provide a readable storage medium, with programs or instructions stored on the readable storage medium.
  • the program or instructions are executed by a processor, each process of the synchronization signal determination method embodiment is implemented, or the above-mentioned steps are implemented.
  • Each process of the resource selection and reservation method embodiment can achieve the same technical effect, and will not be described again here to avoid duplication.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
  • An 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.
  • the processor is used to run programs or instructions to implement the above embodiment of the synchronization signal determination method.
  • Each process, or each process that implements the above resource selection and reservation method embodiment, can achieve the same technical effect. To avoid duplication, it will not be described again here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the above synchronization signal determination method.
  • Each process of the example, or each process of implementing the above resource selection and reservation method embodiment can achieve the same technical effect. To avoid duplication, it will not be described again here.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented 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 a computer software product that is essentially or contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

Abstract

本申请公开了一种同步信号确定方法、资源选择和预留方法、装置、终端及存储介质，属于通信领域，本申请实施例的同步信号确定方法包括：第一终端接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。

Description

同步信号确定方法、资源选择和预留方法、装置、终端及存储介质
相关申请的交叉引用
本申请主张在2022年04月29日在中国提交的中国专利申请号202210475113.1的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种同步信号确定方法、资源选择和预留方法、装置、终端及存储介质。
背景技术
目前，长期演进(Long Term Evolution，LTE)副链路(Sidelink)具备专用频段。由于LTE Sidelink用户设备(User Equipment，UE)与新空口(New Radio，NR)Sidelink UE的设计存在较大区别，从而导致NR Sidelink UE无法直接接入LTE Sidelink UE的专用频段进行通信。然而，NR Sidelink UE的数量逐渐增多，LTE Sidelink UE的数量逐渐降低，从而导致LTE Sidelink UE的专用频段的利用率降低，因此，如何使得NR Sidelink UE在LTE Sidelink UE的专用频段上与LTE Sidelink UE共存是亟待解决的问题。
发明内容
本申请实施例提供一种同步信号确定方法，能够解决NR Sidelink UE无法在LTE Sidelink UE的专用频段上与LTE Sidelink UE共存的问题。
第一方面，提供了一种同步信号确定方法，应用于终端，该方法包括：第一终端接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
第二方面，提供了一种同步信号确定装置，该装置包括：处理模块；该处理模块用于接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
第三方面，提供了一种资源选择和预留方法，应用于终端，该方法包括：第一终端在第一资源池上或第一频段上进行资源选择；和/或发送第二信息，进行资源预留。
第四方面，提供了一种资源选择和预留装置，该装置包括：处理模块；该处理模块，用于在第一资源池上或第一频段上进行资源选择；和/或发送第二信息，进行资源预留。
第五方面，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。
第六方面，提供了一种终端，包括处理器及通信接口，其中，所述处理器用于接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
第七方面，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三方面所述的方法的步骤。
第八方面，提供了一种终端，包括处理器及通信接口，其中，所述处理器用于第一资源池上或第一频段上进行资源选择；和/或发送第二信息，进行资源预留。
第九方面，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。
第十方面，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，或实现如第三方面所述的方法。
第十一方面，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一方面所述的方法的步骤，或实现如第三方面所述的方法。
在本申请实施例中，第一终端接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。由于第一终端可以根据第一信息确定第一同步信号，其中，第一信息包括第一同步信号的频率、第一同步信息与第二同步信号的关系、第一同步信号位于由第二同步信号的资源相关信息确定的资源中，因此，第一终端在根据第一同步信号和第二同步信号确定对应的资源池，如此，第一终端可以与其他终端在LTE Sidelink UE的专用频段上共存。
附图说明
图1是本申请实施例提供的一种终端之间通过Sidelink进行数据传输的示意图；
图2是本申请实施例提供的一种终端进行资源检测及资源选择/重选流程的流程图；
图3是本申请实施例提供的一种同步信号确定方法的示意图；
图4是本申请实施例提供的一种同步信号配置方法的示意图；
图5是本申请实施例提供的一种资源选择和预留方法的示意图；
图6是本申请实施例提供的一种同步信号确定装置的结构示意图；
图7是本申请实施例提供的一种资源选择和预留装置的结构示意图；
图8是本申请实施例提供的一种通信设备的硬件结构示意图；
图9是本申请实施例提供的一种终端的硬件结构示意图。
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(6th Generation，6G)通信系统。
下面对本申请实施例提供的同步信号确定方法、资源选择和预留方法、装置、终端及存储介质中涉及的一些概念和/或术语做一下解释说明。
1、车联网V2X
LTE系统支持Sidelink(可以译为旁链路，副链路，侧链路，边链路等)传输，即终端之间可以直接在物理层上进行数据传输。LTE Sidelink是基于广播进行通讯的，虽然可用于支持车联网(vehicle to everything，V2X)的基本安全类通信，但不适用于其他更高级的V2X业务。而5G NR系统将支持更加先进的Sidelink传输设计，例如，单播，多播或组播等，从而可以支持更全面的业务类型。目前，LTE系统从第12个发布版本开始支持Sidelink，，用于终端之间不通过网络设备进行直接数据传输。
图1示出了一张终端之间通过Sidelink进行数据传输的示意图。
2、NR Sidelink资源分配
目前，NR V2X定义了两种资源分配模式，一种是mode1，mode1为基站调度资源；另一种是mode1，mode1为UE自行确定用于进行传输的资源，在这种情况下，资源信息可能来自基站的广播消息或者预配置的信息。若UE工作在基站范围内并且与基站有RRC连接，则可以使用mode1和/或mode2的资源分配模式，若UE工作在基站范围内但与基站没有RRC连接，则只能使用mode2的资源分配模式。若UE在基站范围外，则只能使用mode2的资源分配模式，根并据预配置的信息来进行V2X传输。
对于上述提到的mode 2，其具体的工作方式如下：1、TX UE在资源选择被触发后，首先确定资源选择窗口，其中，资源选择窗口的下边界在资源选择触发后的T1时间，资源选择的上边界在触发后的T2时间，T2为UE实现的方式在其TB传输的分组时延预算(packet delay budget，PDB)内选择的值，T2不早于T1。2、在UE进行资源选择之前，需要确定资源选择的备选资源集合(candidate resource set)，根据资源选择窗口内的资源上测量的参考信号接收功率(Reference Signal Receiving Power，RSRP)与相应的RSRP阈值(threshold)做对比，如果RSRP低于RSRP threhold，那么该资源可以纳入备选资源集合。3、资源集合确定后，UE随机在备选资源集合中选择传输资源。另外，UE在本次传输可以为接下来的传输预留传输资源。图2示出了一种终端进行资源检测及资源选择/重选流程的流程图。
3、周期配置
NR V2X中，若资源池支持周期配置，则在该资源池中，可支持配置的周期值为0，[1：99]，100，200，300，400，500，600，700，800，900，1000ms。RRC可从可选择的周期值中最多配置16个值，配置的值中包括为0ms的周期配置。
LTE V2X中，可选的周期值为20，50，100，200，300，400，500，600，700，800，900，1000ms。
3、LTE时隙转换
LTE的时隙转换规则为P'rsvp_TX＝Pstep×Prsvp_TX/100，其中Prsvp_TX是高层指示的预留周期值，Pstep是中间值，如表1所示，P'rsvp_TX是预留周期对应的逻辑时隙数。
表1：副链路传输模式3和传输模式4的Pstep的确定方式
4、NR时隙转换
其中，T′max是属于资源池的时隙数。
目前，LTE Sidelink的通信可以具备其专用频段，然而，由于LTE Sidelink UE和NR Sidelink UE的设计存在着较大的区别，因而导致当前的NR Sidelink UE无法直接接入LTE Sidelink的专用频段进行通信。在NR Sidelink UE变的越来越多，LTE Sidelink UE数量变的越来越少的情况下，给LTE Sidelink UE划分的频段利用率降低，因此亟需设计一些方法使得NR Sidelink UE可以在这 些频段上与LTE Sidelink UE共存。
LTE Sidelink和NR Sidelink分别对同步信号和同步流程做出了不同的设计。LTE Sidelink的同步基于主同步信号PSSS和辅同步信号SSSS，其信号周期为160ms。而NR Sidelink的同步基于SSB进行，SSB可以在160ms的周期内重复发送。因为两种信号设计完全不同，且是独立配置的，因此，在确定资源池时，当排除同步信号所在的时隙之后，基于LTE标准和NR标准得到的资源池可能无法保持一致(即问题1)。
UE在进行资源选择时会根据控制信息的指示，依照逻辑时隙与物理时隙的转换规则确定其他终端的预留资源，在LTE的时隙转换规则与NR的时隙转换规则不同的背景下，如果不做规范，UE可能会对其他UE的预留资源有不同的理解而进行错误的资源排除，从而影响传输可靠性。例如，对于LTE终端来说，只会将周期预留信息携带在LTE SCI上，且会按照LTE的时隙转换规则确定预留周期的对应位置。对于NR终端来说，若检测到LTE SCI，则在确定LTE SCI指示的预留周期对应的具体资源位置时，就必须按照LTE规则确定，不然就会得到错误的位置，不仅无法避免资源冲突，还可能会排除掉传输质量较好的资源。
除此之外，对于同时发送LTE SCI和NR SCI的终端或者同时具有LTE模块和NR模块的终端，为了同时让其他LTE终端和NR终端得到自身的资源预留信息，在利用LTE时隙转换规则和NR时隙转换规则不同的背景下，需要解决如何利用LTE时隙转换规则和NR时隙转换规则指示不同的预留周期值使得两类终端在检测到终端的资源预留信息时，可以得到唯一的正确的预留资源的问题。
同时，对于拥有LTE模块的NR终端来说，可以将LTE的资源冲突交给LTE模块解决。例如，由LTE模块负责检测LTE SCI，以及确定LTE SCI指示的资源位置，如此，NR终端就可以得到正确的资源预留位置。但是，NR终端在资源选择过程中如何利用LTE模块确定的预留资源位置信息没有被规范。(即问题2)
其中，本申请实施例提供的终端(UE)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的同步信号确定方法进行详细地说明。
实施例一
本申请实施例提供一种同步信号确定方法，图3示出了本申请实施例提供的一种同步信号确定方法的流程图。如图3所示，本申请实施例提供的同步信号确定方法可以包括下述的步骤201。
步骤201、第一终端接收和/或发送第一同步信号。
本申请实施例中，上述第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
可选地，本申请实例中，上述第一终端可以为NR终端，上述第二终端可以为LTE终端，或者相反。第一终端和第二终端也可以均为NR终端，或均为LTE终端。当然，上述第一终端和第二终端也可以为其他类型的终端。
需要说明的是，本申请实施例以第一终端为NR终端，第二终端为LTE终端进行说明，在第一终端和第二终端为其他类型的终端的情况下，也在本申请实施例提供的同步信号确定方法的保护范围内。
可选地，本申请实施例中，上述第一同步信号为第一终端的同步信号(例如NR终端的NR sync信号：SSB)，或者为第一终端的NR模块的同步信号(NR sync信号)；上述第二同步信号可以为第二终端的同步信号(例如LTE终端的LTE sync信号：PSSS和SSSS)，或者为第一终端的LTE模块的同步信号(LTE sync信号)。
需要说明的是，上述第一同步信号可以为第一同步信号，或者为第一同步信号的资源。
本申请实施例中，第一终端根据第一信息确定第一同步信号的资源，所述第一信息包括：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
可选地，本申请实施例中，上述第一信息可以为以下a至j中至少一项：
a、上述第一信息为每个周期内的第一同步信号资源只有一个
可选地，本申请实施例中，在上述第一信息为每个周期内的第一同步信号资源只有一个的情况下，该第一同步信号可以与第二同步信号对齐。
b、上述第一信息为第一频段上不存在第一同步信号资源
可选地，本申请实施例中，在上述第一信息为第一频段上不存在第一同步信号资源的情况下，第一终端在与其他终端(例如第二终端)的共存频段上不发送SSB，或者配置/预配置中不包含SSB资源。
可选地，本申请实施例中，上述第一信息包括第一同步信号与第二同步信号的关系；第一同步信号与第二同步信号的关系包括以下至少一项：
第一同步信号的资源与第二同步信号的资源频分复用FDM；
第一同步信号的资源相对第一参考点的偏移量与第二同步信号的资源相对第二参考点的偏移量相同，第一参考点和第二参考点相同或不同；
第一同步信号的资源的起始位置与第二同步信号的资源的起始位置相同；
第一同步信号的资源的结束位置与第二同步信号的资源的结束位置相同。
c、上述第一信息为第一同步信号与第二同步信号的关系
可选地，本申请实施例中，第一同步信号的资源在一个同步周期内的位置或者相对偏移量与第二同步信号的资源在一个同步周期内的位置或者相对偏移量相同，即同步信号的资源的起点对齐或终点对齐。
d、上述第一信息为第一同步信号与第二同步信号的关系
可选地，本申请实施例中，第一同步信号的第一同步信号的资源相对第一参考点的偏移量与第二同步信号的资源相对第二参考点的偏移量相同，第一参考点和第二参考点相同或不同。
需要说明的是，第一参考点和/或第二参考点由协议预定义/网络预配置/网络配置/终端预配置/终端配置。
e、上述第一信息为第一同步信号与第二同步信号的关系
可选地，本申请实施例中，第一同步信号的资源的起始位置与第二同步信号的资源的起始位置相同。
f、上述第一信息为第一同步信号与第二同步信号的关系
可选地，本申请实施例中，第一同步信号的资源的结束位置与第二同步信号的资源的结束位置相同。
g、上述第一信息为第一同步信号与第二同步信号的关系
可选地，本申请实施例中，上述第一终端可以将第一同步信号的资源与第二同步信号的资源频分复用FDM，即将第一同步信号的资源与第二同步信号的资源配置在相同的时间单位，或者将第一同步信号的资源与第二同步信号的资源配置在至少部分重叠的时间单位。
可选地，本申请实施例中，第一同步信号的资源与第二同步信号资源FDM包括以下至少一项：
第一终端的第一同步信号的资源与第二终端的第二同步信号的资源位于同一时间单位或者至少部分重叠的时间单位；
第一终端的NR模块的第一同步信号的资源与第一终端的LTE模块的第二同步信号的资源位于同一时间单位或者至少部分重叠的时间单位；
第一同步信号的序号0的子载波位置为比第二同步信号序号最高的子载波频域更高的N个子载波位置(即第一同步信号在第二同步信号的资源上方，从而达到频分双工(Frequency Division Duplexing，FDD)的目的)。
第一同步信号的序号最高的子载波位置为比第二同步信号序号最高的子载波频域更低的N个子载波位置(即第一同步信号在第二同步信号的资源下方，从而达到FDD的目的)。
需要说明的是，由于LTE的sync的频域宽度为6个RB，且只能配置在部分带宽BWP的频域中心，而NR的sync信号的频域宽度为11个RB，频域位置可以被配置在任意可以配置的位置。 因此，考虑在SCS为15K以及30K时，如图4所示，可以以FDD的形式将LTE的sync信号以及NR的信号配置在同一个子帧内，这样可以保证从LTE角度和NR角度看资源池中逻辑时隙是相同的，避免不同的配置。
本申请实施例中，在将第一同步信号的资源与第二同步信号的资源FDM的情况下，可以使得第一终端做CA时NR模块占用的CC与LTE模块占用的CC的同步信号时域一致或者成包含关系。
可选地，本申请实施例中，第一信息为第一同步信号位于第一资源；第一同步信号位于第一资源包括以下至少一项：
第一同步信号配置在LTE的时分双工TDD配置信息的下行Downlink时隙和/或灵活flexible时隙中；因为副链路的资源池配置一般只会包含TDD配置信息中为上行Uplink时隙和/或灵活flexible时隙中，所以当第一同步信号配置在LTE的时分双工TDD配置信息的下行Downlink时隙和/或灵活flexible时隙中时，LTE确定的资源池中就不会有与第一同步信号重叠的资源，从而避免LTE数据发送和NR的同步信号的冲突。
第一同步信号配置在目标副链路资源池配置信息指示为0的资源中；因为副链路的资源池配置会通过bitmap指示哪些资源位于资源池中，只有bitmap中为1的资源才是位于资源池的资源，因此当第一同步信号配置在LTE的副链路资源池配置信息指示为0的资源中时，LTE确定的资源池中就不会有与第一同步信号重叠的资源，从而避免LTE数据发送和NR的同步信号的冲突。
重用第二同步信号。当NR终端放弃发送NR的同步信号，而改发LTE的同步信号时，由于LTE资源池和NR资源池排除的资源一样，自然就避免了LTE数据发送和NR的同步信号的冲突，以及NR数据发送和LTE的同步信号的冲突。
h、上述第一信息为第一同步信号位于第一资源
可选地，本申请实施例中，第一同步信号可以配置在时分双工
(Time Division Duplexing，TDD)配置信息的下行Downlink时隙和/或灵活flexible时隙中。
i、上述第一信息为第一同步信号位于第一资源
可选地，本申请实施例中，第一同步信号可以配置在目标副链路资源池(例如LTE resource pool)配置信息指示(bitmap)为0的资源中。
j、上述第一信息为第一同步信号位于第一资源
可选地，本申请实施例中，第一终端可以重用第二同步信号(例如第一终端接收和/或发送的同步信号属于LTE sync信号)。
可选地，本申请实施例中，重用第二同步信号包括以下至少一项：
发送的同步信号为长期演进系统LTE同步信号；
重用第二同步信号的物理层设计规则；
在确定目标资源池(例如NR resource pool)的情况下，排除第二同步信号所在的时隙；
每个周期内的第一同步信号资源只有一个。
需要说明的是，在第一终端接收和/或发送第一同步信号时，在通过上述第一信息确定了第一同步信号的情况下，第一终端可以解决资源池配置不一致的问题。
因此，本申请实施例中，针对上述问题1，本申请实施例提供一种同步信号确定方法，第一终端接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。由于第一终端可以根据第一信息确定第一同步信号，其中，第一信息包括第一同步信号的频率、第一同步信息与第二同步信号的关系、第一同步信号位于由第二同步信号的资源相关信息确定的资源中，并且，由于第二同步信号只能配置在部分带宽BWP的频域中心，第一同步信号可以配置在任意可以配置的位置，因此，可以以FDD的方式将第一同步信号和第二同步信号配置在同一个子帧内，如此，可以避免不同的配置，并且，第一终端根据第一同步信号可以确定对应的资源池，如此，第一终端可以与其他终端在LTE Sidelink UE的专用频段上共存。
本申请实施例提供一种同步信号确定方法，第一终端接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。由于第一终端可以根据第一信息确定第一同步信号，其中，第一信息包括第一同步信号的频率、第一同步信息与第二同步信号 的关系、第一同步信号位于由第二同步信号的资源相关信息确定的资源中，因此，第一终端在根据第一同步信号和第二同步信号确定对应的资源池，如此，第一终端可以与其他终端在LTE Sidelink UE的专用频段上共存。
实施例二
本申请实施例提供一种资源选择和预留方法，图5示出了本申请实施例提供的一种资源选择和预留方法的流程图。如图5所示，本申请实施例提供的资源选择和预留方法可以包括下述的步骤301和/或401。
步骤301、第一终端在第一资源池上或第一频段上进行资源选择。
可选地，本申请实施例中，第一资源池为第一终端和第二终端共存的资源池，第一频段为第一终端和第二终端共存的频段。需要说明的是，共存资源池指的是配置给第一终端的资源池和第二终端的资源池至少部分重合，由于这部分重合资源第一终端和第二终端都可以使用，所以简称为第一终端和第二终端共存的资源池。而共存的频段指的是该频段上即部署了第一终端，又部署了第二终端。
步骤401、第一终端发送第二信息，进行资源预留。
可选地，本申请实施例中，第一资源池或第一频段只允许具有第一模块的终端接入。在这种情况下，共存资源池内只存在拥有LTE模块的NR终端以及LTE终端，而具有LTE模块的NR终端可以通过LTE模块检测LTE SCI以及发送LTE SCI等方法，解决与LTE终端无法互相检测SCI指示的预留资源的问题，从而解决两个接入技术之间的资源冲突。
可选地，本申请实施例中，上述第一终端的网络配置/预配置(例如第一资源池的配置，第一频段的配置、频率frequency配置等))可以引用LTE的网络配置。在这种情况下，配置给NR终端的资源池或频段内的配置就可以与LTE终端的资源池配置或频段配置保持一致，从而使得共存场景下的诸多因为配置参数不同导致的问题得到解决。例如，如果NR资源池也引用LTE的SCS配置为15KHz的情况下，就可以与LTE保持一致，从而不需要解决LTE终端无法解码采用15KHz配置以外的SCI以及参考信号的问题。
需要说明的是，上述引用是指：NR基站提供LTE的资源池或者frequency配置给NR UE，或者用于NR Sidelink传输NR UE的预配置中包含LTE的资源池或者frequency配置，用于NR Sidelink传输。
可选地，本申请实施例中，第一资源池或第一频段的配置包括以下至少之一：
预留周期集合配置信息(SL-RestrictResourceReservationPeriodList/SL-RestrictResourceReservationPeriod)；例如，用于指示LTE终端的预留周期集合的参数。
子信道尺寸配置信息(Subchannel size(sizeSubchannel-r14))；例如，用于指示LTE终端所在资源池的子信道大小配置的参数。
子信道数量配置信息(Subchannel number(numSubchannel-r14))；例如，用于指示LTE终端所在资源池的子信道数目配置的参数。
TDD配置信息(Tdd-config)；例如，用于指示LTE时分双工子帧或者时隙配置的参数。
副链路通信资源池配置信息(SL-CommResourcePool)；例如，用于指示LTE资源池配置的参数。
副链路通信配置信息(SL-CommConfig)；例如，用于指示LTE通信配置的参数。
系统信息块信息(SystemInformationBlockType21)，例如，LTE SL下的系统信息SIB21。
可选地，本申请实施例中，第一资源池不包括具有第一同步信号的资源的时隙和第二同步信号的资源的时隙，第一同步信号为第一终端同步信号，第二同步信号为第二终端同步信号。(即属于Sidelink资源池的时隙排除配置有NR SSB和LTE sync信号的时隙。)
可选地，本申请实施例中，可以通过修改LTE和NR资源池配置规则的方式，同时排除第一同步信号(例如SSB)和第二同步信号(例如LTE sync信号)所在的时隙，从而解决资源池配置不一致的问题。
可选地，本申请实施例中，上述步骤301具体可以通过下述的步骤301a实现。
步骤301a、第一终端根据目标信息对目标资源集合进行资源处理。
本申请实施例中，上述目标资源集合为第一终端的副链路候选资源集合；目标信息包括以下至少一项：第二终端的预留资源、第一信息、特定资源集合、第二同步信号所在的时间单位；第二同步信号为第二终端的同步信号；其中，第一信息包括以下至少一项：第一终端的副链路控制信息SCI、目标资源集合中的资源的参考信号接收功率RSRP、目标资源集
可选地，本申请实例中，上述第一终端可以为NR终端，上述第二终端可以为LTE终端，或者相反。第一终端和第二终端也可以均为NR终端，或均为LTE终端。当然，上述第一终端和第二终端也可以为其他类型的终端。
需要说明的是，本申请实施例以第一终端为NR终端，第二终端为LTE终端进行说明，在第一终端和第二终端为其他类型的终端的情况下，也在本申请实施例提供的同步信号确定方法的保护范围内。
可选地，本申请实施例中，上述第一同步信号为第一终端的同步信号(例如NR终端的NR sync信号：SSB)，或者为第一终端的NR模块的同步信号(NR sync信号)；上述第二同步信号可以为第二终端的同步信号(例如LTE终端的LTE sync信号：PSSS和SSSS)，或者为第一终端的LTE模块的同步信号(LTE sync信号)。
可选地，本申请实施例中，上述目标信息可以为以下a至f中至少一项：
a、上述目标信息为第二终端的预留资源
可选地，本申请实施例中，目标信息为第二终端的预留资源，预留资源包括预留周期和预留周期对应的逻辑时隙数。
可选地，本申请实施例中，第一终端可以根据第一规则确定资源的逻辑位置或物理位置，其中，第一规则为：
P′rsvp_TX＝Pstep×Prsvp_TX/100(即重用LTE的时隙转换规则，与LTE终端保持一致)。
可选地，本申请实施例中，在目标信息为第二终端的预留资源的情况下，上述步骤301a具体可以通过下述的步骤301a1和步骤301a2实现。
步骤301a1、第一终端根据预留周期和预留周期对应的逻辑时隙数，确定对应的目标资源集合中的资源；
步骤301a2、第一终端根据目标资源集合中的资源，对目标资源集合进行资源排除。
需要说明的是，目标资源集合指的是资源选择过程中的候选资源集合。该候选资源集合会在资源选择开始时根据资源选择窗进行初始化，然后对满足排除条件的资源进行排除，最终得到一个可以上报给MAC层的候选资源集合。MAC层从上报的候选资源集合中随机选择资源作为终端的发送资源。
b、上述目标信息为第二终端的预留资源
可选地，本申请实施例中，第一终端接收到SCI format 1，在SCI format 1中的周期预留指示域存在的情况下，该SCI format 1的周期预留指示域可以指示预留周期，优先级指示域指示了优先级。
需要说明的是，该优先级为SCI对应的传输资源块(Transport Block，TB)的优先级。
可选地，本申请实施例中，在目标信息为第一信息的情况下，上述步骤301a具体可以通过下述的步骤301a3实现。
步骤301a3、第一终端根据第一信息，对目标资源集合中满足第一目标条件的资源进行资源排除。
其中，第一目标条件包括以下至少一项：
SCI的周期预留指示域指示了预留周期；
SCI的优先级指示域指示了优先级；
资源对应的RSRP大于或等于第一门限值；
资源的优先级大于或等于第二门限值；
资源与SCI指示的资源对应的预留资源重叠。
可选地，本申请实施例中，第一终端接收到第一信息，第一信息包括检测到的SCI format 1的预留周期，优先级，以及测量得到的RSRP等信息，利用这些信息按照已有的资源选择流程排除满足条件的资源即可。此时，相当于第一终端按照处理检测到的NR预留资源的流程处理LTE终端或LTE模块的预留资源。
c、上述目标信息为特定资源集合
第一终端或第一终端的NR模块接收到的LTE预留资源信息的形式是资源集合，而没有其他优先级或RSRP等相关信息，因此，只需要在资源选择的某个步骤处理此资源集合，而不需要再按照资源选择的整个流程通过判断优先级，RSRP等来排除LTE的预留资源。
可选地，本申请实施例中，第一终端可以从候选资源集合中排除特定资源集合。
可选地，本申请实施例中，在目标信息为特定资源集合的情况下，上述步骤301a具体可以通过下述的步骤301a4实现。
步骤301a4、第一终端对目标资源集合中的特定资源集合进行资源排除。
其中，特定资源集合由第一模块确定；特定资源集合由第一模块传递给第二模块。
需要说明的是，上述第一模块为LTE模块，上述第二模块为NR模块。
可选地，本申请实施例中，上述步骤301a4具体可以通过下述的步骤11和/或步骤12实现。
步骤11、在第一终端确定目标资源集合满足条件的情况下，第一终端从目标资源集合中将与特定资源集合重合的资源进行排除(即第一终端的物理层在确定满足X*Mtotal的候选资源集后，从候选资源集中排除与特定资源集重合的资源)。
步骤12、第一终端的MAC层从物理层上报的资源集合中，排除与特定资源集合重合的资源。
d、上述目标信息为特定资源集合
可选地，本申请实施例中，第一终端可以在候选资源集初始化后排除与特定资源集合重合的资源，即，第一终端在根据资源选择窗初始化候选资源集之后，就将第一资源集排除。
可选地，本申请实施例中，在目标信息为特定资源集合的情况下，上述步骤301a具体可以通过下述的步骤301a5实现。
步骤301a5、第一终端对目标资源集合进行初始化，并将初始化后的目标资源集合中与特定资源集合重合的资源排除。
e、上述目标信息为第二终端的预留资源
可选地，本申请实施例中，第一终端的LTE模块检测到LTE的预留资源时，NR模块根据LTE模块确定的资源进行资源排除和/或资源预留(即LTE模块解码的信息共享给NR模块)。
可选地，本申请实施例中，在上述目标信息为第二终端的预留资源的情况下；上述步骤301a具体可以通过下述的步骤301a6实现。
步骤301a6、在第一终端检测到第二终端的预留资源的情况下，第一终端从目标资源集合中排除第二终端的预留资源。
可选地，本申请实施例中，在第一终端同时具有第一模块(NR module)和第二模块(LTE module)时，允许配置在同频资源池上(即：允许LTE终端接入的资源池，只有当NR终端同时具有两个模块，且可以互相交换资源检测等信息时，NR终端才可以配置在此资源池)。
f、上述目标信息为第二同步信号所在的时间单位
可选地，本申请实施例中，第一终端的MAC层指示一个LTE支持的预留周期，并按照LTE的转换规则确定周期预留的实际位置，从而，LTE模块或者要发送的LTE SCI中按照MAC层指示的周期确定指示周期值。若还需求发送NR SCI或者NR模块需求发送SCI，则根据NR的时隙转换规则确定周期预留资源对应的预留周期，由SCI指示。因此，为了防止根据NR的规则计算出的预留周期不在资源池配置中导致无法配置，则需要在配置时将1～99ms的预留周期均在资源池中进行配置。
可选地，本申请实施例中，在上述目标信息为第二同步信号所在的时间单位的情况下；上述步骤301a具体可以通过下述的步骤301a7实现。
步骤301a7、第一终端排除目标资源集合中第二同步信号所在的时隙。
其中，第二同步信号为第二终端的同步信号。
可选地，本申请实施例中，上述步骤301a7具体可以通过下述的步骤13和/或步骤14实现。
步骤13、第一终端确定第二同步信号的时隙，并根据第二同步信号所在的时隙，排除目标资源集合中对应的资源。
步骤14、第一终端通过高层的配置信息获取第二同步信号的时隙，并根据第二同步信号所在的时隙，排除目标资源集合中对应的资源。
可选地，本申请实施例中，上述步骤401具体可以通过下述的步骤401实现。
步骤401、第一终端根据第三信息，发送第二信息，进行资源预留。
其中，第三信息包括：高层的指示信息中指示的预留周期和/或预留周期对应的逻辑时隙数。第二信息包括：第一控制信息，和/或第二控制信息。第一控制信息指示的预留周期根据高层的指示信息确定。第二控制信息指示的预留周期根据第一控制信息指示的预留资源位置和/或预留周期对应的逻辑时隙数确定。
需要说明的是，上述第一控制信息为LTE SCI，上述第二控制信息为NR SCI。
可选地，本申请实施例中，上述步骤401具体可以通过下述的步骤401a实现。
步骤401a、第一终端根据第四信息，发送第二信息，进行资源预留；
其中，第四信息为资源池配置的预留周期包括第一周期集。
可选地，本申请实施例中，上述第一周期集为1-99ms。
可选地，本申请实施例中，上述步骤301具体还可以通过下述的步骤301b实现。
步骤301b、在第一终端进行选择资源的情况下，第一终端选择目标资源集合中可以通过重传指示信息指示物理副链路反馈信道PSFCH occasion的资源。或者，第一终端检测到其他第一终端指示了PSFCH occasion,第一终端选择目标资源集合中可以通过重传指示信息指示该PSFCH occasion的资源。
可选地，本申请实施例中，上述步骤301具体还可以通过下述的步骤301c实现。
步骤301c、在第一终端的第一模块在时刻N时触发了资源上报的情况下，第一终端的第二模块在时刻n+K之后利用第一模块的信息进行资源选择和/或上报给MAC层。
可选地，本申请实施例中，第一终端的LTE模块触发了资源上报，即将检测到的资源预留信息上报给高层或者终端的第二模块，则由于处理时延的原因，第一终端的第二模块只能在经过K时间之后才可以利用第一模块的信息进行资源选择和或上报给MAC层等高层。
可选地，本申请实施例中，上述步骤301具体还可以通过下述的步骤301d实现。
步骤301d、第一终端在时刻n触发了资源上报，第一终端的第二模块可以在时刻n+K之后利用第一模块的信息进行资源选择和/或上报候选资源集合给MAC层。
可选地，本申请实施例中，上述步骤401具体还可以通过下述的步骤401b和/或步骤401c实现。
步骤401b、第一终端发送第一控制信息。
步骤401c、第一终端在第一控制信息指示的资源发送PSFCH和/或第一同步信号。
其中，第一控制信息为第二终端的SCI。
需要说明的是，由于第二终端会通过检测LTE SCI避开其他第二终端或LTE模块指示的资源，因此如果第一终端通过发送LTE SCI来指示或者预留资源位置时，就可以在对应的资源上面配置或者发送PSFCH或同步信号，通过依靠LTE终端避开此资源，实现与LTE终端或LTE模块的发送不产生资源冲突的目的。
可选地，本申请实施例中，第一频段的第一配置信息中指示的DFN offset与第二配置信息中指示的DFN offset相同。
需要说明的是，第一终端在选择全球导航卫星系统(Global Navigation Satellite System，GNSS)作为同步源时，确定DFN的时候会考虑一个定时器偏移值(timing offset)，这个timing offset由RRC参数指示。例如，在NR协议中，由sl-OffsetDFN指示DFN的timing offset。若LTE终端和NR终端的timing offset不同，则确定的DFN就会不一致，从而影响同步。因此，为了在共存频段上让LTE终端与NR终端保持同步以解决资源冲突等问题，LTE和NR的DFN offset的预配置相同或者网络配置时配置相同的offset。
因此，本申请实施例中，针对上述问题2，本申请实施例提供一种资源选择和预留方法，针对时隙转换规则不同的问题，有两个解决方法，第一个解决方法是将NR的时隙转换规则修改为与LTE的规则相同的转换规则，此时系统中只有一种转换规则，就不需要解决复杂的转换问题。第二个解决方法是利用两种规则分别计算出对应的预留周期值，携带在对应的SCI中，这样接收端根据接收到的SCI的类型就可以确定预留资源。但是，由于LTE标准和NR标准定义下的周期预留值有不同的配置，且LTE标准下的周期预留值集合是NR标准下的周期预留值集合的子集，为了避免计算出来的周期不在集合中导致无法指示，因此终端在接收到MAC指示的预留周期时，需要根据LTE的时隙转换规则确定具体的周期预留资源位置，然后再根据此资源位置和NR时隙转换规则计算NR SCI应该指示的预留周期值，保证更高的指示正确性。除此之外，为了保证计算出来的预留周期值NR SCI也可以指示，需要限制MAC指示的预留周期值可以是经过转换之后可以由NR SCI指示的，或者是将1～99ms均配置在此资源池支持的预留周期集合中。而针对NR终端如何利用LTE模块传递的信息的问题，提供了多种不同的方法。例如，在初始化候选资源集合的时候就将LTE模块确定的资源排除；或者在确定最终上报的候选资源集合之前或之后将LTE模块确定的资源排除；还可以由MAC层从物理层上报的候选资源集合中将LTE模块确定的资源排除，不需要物理层做额外的处理。
本申请实施例提供的同步信号确定方法，执行主体可以为同步信号确定装置。本申请实施例中以同步信号确定装置执行同步信号确定方法为例，说明本申请实施例提供的同步信号确定装置。
图6示出了本申请实施例中涉及的同步信号确定装置的一种可能的结构示意图。如图6所示，该同步信号确定装置60可以包括：处理模块61。
其中，处理处理模块61接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
在一种可能实现的方式中，第一信息包括第一同步信号与第二同步信号的关系；第一同步信号与第二同步信号的关系包括以下至少一项：第一同步信号的资源与第二同步信号的资源频分复用FDM；第一同步信号的资源相对第一参考点的偏移量与第二同步信号的资源相对第二参考点的偏移量相同，第一参考点和第二参考点相同或不同；第一同步信号的资源的起始位置与第二同步信号的资源的起始位置相同；第一同步信号的资源的结束位置与第二同步信号的资源的结束位置相同。
在一种可能实现的方式中，第一同步信号的资源与第二同步信号资源FDM包括以下至少一项：第一同步信号的资源与第二同步信号的资源位于同一时间单位或者至少部分重叠的时间单位；第一同步信号的资源在第二同步信号的资源上方；第一同步信号的资源在第二同步信号的资源下方。
在一种可能实现的方式中，第一信息为第一同步信号位于第一资源；第一同步信号位于第一资源包括以下至少一项：第一同步信号配置在时分双工TDD配置信息的下行Downlink时隙和/或灵活flexible时隙中；第一同步信号配置在目标副链路资源池配置信息指示为0的资源中；重用第二同步信号。
在一种可能实现的方式中，重用第二同步信号包括以下至少一项：发送的同步信号为长期演进系统LTE同步信号；重用第二同步信号的物理层设计规则；在确定目标资源池的情况下，排除第二同步信号所在的时隙；每个周期内的第一同步信号资源只有一个。
本申请实施例提供的终端能够实现上述方法实施例一实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例中的同步信号确定装置可以是装置，具有操作系统的装置或UE，也可以是UE中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例提供的资源选择和预留方法，执行主体可以为资源选择和预留装置。本申请实施例中以资源选择和预留装置执行资源选择和预留方法为例，说明本申请实施例提供的资源选择和预留装置。
图7示出了本申请实施例中涉及的资源选择和预留装置的一种可能的结构示意图。如图7所示，该资源选择和预留装置70可以包括：处理模块71；
其中，处理模块71，用于在第一资源池上或第一频段上进行资源选择；和/或发送第二信息，进行资源预留。
在一种可能实现的方式中，第一资源池为第一终端和第二终端共存的资源池；和/或第一频段为第一终端和第二终端共存的频段。
在一种可能实现的方式中，第一资源池或第一频段只允许具有第一模块的终端接入。
在一种可能实现的方式中，第一资源池或第一频段的配置包括以下至少之一：预留周期集合配置信息；子信道尺寸配置信息；子信道数量配置信息；时分双工TDD配置信息；副链路通信资源池配置信息；副链路通信配置信息；系统信息块信息。
在一种可能实现的方式中，第一资源池不包括具有第一同步信号的资源的时隙和第二同步信号的资源的时隙，第一同步信号为第一终端同步信号，第二同步信号为第二终端同步信号。
在一种可能实现的方式中，处理模块71，具体用于根据目标信息对目标资源集合进行资源处理，目标资源集合为第一终端的副链路候选资源集合；目标信息包括以下至少一项：第二终端的预留资源、第一信息、特定资源集合、第二同步信号所在的时间单位；第二同步信号为第二终端的同步信号；其中，第一信息包括以下至少一项：第一终端的副链路控制信息SCI、目标资源集合中的资源的参考信号接收功率RSRP、目标资源集合中的资源的优先级；第二同步信号为第二终端的同步信号。
在一种可能实现的方式中，目标信息为第二终端的预留资源，预留资源包括预留周期和预留周期对应的逻辑时隙数；处理模块71，具体用于根据预留周期和预留周期对应的逻辑时隙数，确定对应的目标资源集合中的资源；第一终端根据目标资源集合中的资源，对目标资源集合进行资源排除。
在一种可能实现的方式中，目标信息为第一信息；处理模块71，具体用于根据第一信息，对目标资源集合中满足第一目标条件的资源进行资源排除；其中，第一目标条件包括以下至少一项：SCI的周期预留指示域指示了预留周期；SCI的优先级指示域指示了优先级；资源对应的RSRP大于或等于第一门限值；资源的优先级大于或等于第二门限值；资源与SCI指示的资源对应的预留资源重叠。
在一种可能实现的方式中，目标信息为特定资源集合；处理模块71，具体用于以下至少一项：对目标资源集合中的特定资源集合进行资源排除；其中，特定资源集合由第一模块确定；特定资源集合由第一模块传递给第二模块。
在一种可能实现的方式中，处理模块71，具体用于以下至少一项：在第一终端确定目标资源集合满足条件的情况下，从目标资源集合中将与特定资源集合重合的资源进行排除；从物理层上报的资源集合中，排除与特定资源集合重合的资源。
在一种可能实现的方式中，目标信息为特定资源集合；处理模块71，具体用于对目标资源集合进行初始化，并将初始化后的目标资源集合中与特定资源集合重合的资源排除。
在一种可能实现的方式中，目标信息为第二终端的预留资源；处理模块71，具体用于在第一终端检测到第二终端的预留资源的情况下，从目标资源集合中排除第二终端的预留资源。
在一种可能实现的方式中，目标信息为第二同步信号所在的时间单位；处理模块71，具体用于排除目标资源集合中第二同步信号所在的时隙，第二同步信号为第二终端的同步信号。
在一种可能实现的方式中，处理模块71，具体用于以下至少一项：确定第二同步信号的时隙，并根据第二同步信号所在的时隙，排除目标资源集合中对应的资源；通过高层的配置信息获取第二同步信号的时隙，并根据第二同步信号所在的时隙，排除目标资源集合中对应的资源。
在一种可能实现的方式中，处理模块71，具体用于根据第三信息，发送第二信息，进行资源预留；其中，第三信息包括：高层的指示信息中指示的预留周期和/或预留周期对应的逻辑时隙数；第二信息包括：第一控制信息，和/或第二控制信息；其中，第一控制信息指示的预留周期根据高层的指示信息确定；第二控制信息指示的预留周期根据第一控制信息指示的预留资源位置和/或预留周期对应的逻辑时隙数确定。
在一种可能实现的方式中，处理模块71，具体用于根据第四信息，发送第二信息，进行资源预留；其中，第四信息为资源池配置的预留周期包括第一周期集。
在一种可能实现的方式中，处理模块71，具体用于在第一终端进行选择资源的情况下，选择目标资源集合中通过重传指示信息指示物理副链路反馈信道PSFCH occasion的资源。
在一种可能实现的方式中，处理模块71，具体用于在第一终端的第一模块在时刻N时触发了资源上报的情况下，通过第二模块在时刻n+K之后利用第一模块的信息进行资源选择和/或上报给MAC层。
在一种可能实现的方式中，处理模块71，具体用于在时刻n触发了资源上报，在时刻n+K之后利用第一模块的信息进行资源选择和/或上报候选资源集合给MAC层。
在一种可能实现的方式中，处理模块71，具体用于以下至少一项：发送第一控制信息；和/或在第一控制信息指示的资源发送PSFCH和/或第一同步信号；其中，第一控制信息为第二终端的SCI。
在一种可能实现的方式中，第一频段的第一配置信息中指示的DFN offset与第二配置信息中指示的DFN offset相同。
本申请实施例提供的资源选择和预留装置能够实现上述实施例二实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例中的资源选择和预留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。
可选的，如图8所示，本申请实施例还提供一种通信设备800，包括处理器801和存储器802，存储器802上存储有可在所述处理器801上运行的程序或指令，例如，该通信设备800为终端时， 该程序或指令被处理器801执行时实现上述同步信号确定方法实施例的各个步骤，或者该程序或指令被处理器801执行时实现上述资源选择和预留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，处理器用于第一终端接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。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9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100包括但不限于：射频单元101、网络模块102、音频输出单元103、输入单元104、传感器105、显示单元106、用户输入单元107、接口单元108、存储器109以及处理器110等中的至少部分部件。
本领域技术人员可以理解，终端100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110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9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104可以包括图形处理单元(Graphics Processing Unit，GPU)1041和麦克风1042，图形处理器1041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106可包括显示面板1061，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1061。用户输入单元107包括触控面板1071以及其他输入设备1072中的至少一种。触控面板1071，也称为触摸屏。触控面板1071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1072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101接收来自网络侧设备的下行数据后，可以传输给处理器110进行处理；另外，射频单元101可以向网络侧设备发送上行数据。通常，射频单元101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109可用于存储软件程序或指令以及各种数据。存储器109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109可以包括易失性存储器或非易失性存储器，或者，存储器109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x09包括但不限于这些和任意其它适合类型的存储器。
处理器110可包括一个或多个处理单元；可选的，处理器110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110中。
在终端100为实施例一中所述的终端的情况下，
其中，处理器110用于接收和/或发送第一同步信号，第一同步信号由第一信息确定；第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；其中，第一资源由第二同步信号的资源相关信息确定。
在终端100为实施例二中所述的终端的情况下，
其中，处理器110，用于在第一资源池上或第一频段上进行资源选择；和/或发送第二信息， 进行资源预留。
可选地，本申请实施例中，处理器110，具体用于根据目标信息对目标资源集合进行资源处理，目标资源集合为第一终端的副链路候选资源集合；目标信息包括以下至少一项：第二终端的预留资源、第一信息、特定资源集合、第二同步信号所在的时间单位；第二同步信号为第二终端的同步信号；其中，第一信息包括以下至少一项：第一终端的副链路控制信息SCI、目标资源集合中的资源的参考信号接收功率RSRP、目标资源集合中的资源的优先级；第二同步信号为第二终端的同步信号。
可选地，本申请实施例中，目标信息为第二终端的预留资源，预留资源包括预留周期和预留周期对应的逻辑时隙数；处理器110，具体用于根据预留周期和预留周期对应的逻辑时隙数，确定对应的目标资源集合中的资源；第一终端根据目标资源集合中的资源，对目标资源集合进行资源排除。
可选地，本申请实施例中，目标信息为第一信息；处理器110，具体用于根据第一信息，对目标资源集合中满足第一目标条件的资源进行资源排除；其中，第一目标条件包括以下至少一项：SCI的周期预留指示域指示了预留周期；SCI的优先级指示域指示了优先级；资源对应的RSRP大于或等于第一门限值；资源的优先级大于或等于第二门限值；资源与SCI指示的资源对应的预留资源重叠。
可选地，本申请实施例中，目标信息为特定资源集合；处理器110，具体用于以下至少一项：对目标资源集合中的特定资源集合进行资源排除；其中，特定资源集合由第一模块确定；特定资源集合由第一模块传递给第二模块。
可选地，本申请实施例中，处理器110，具体用于以下至少一项：在第一终端确定目标资源集合满足条件的情况下，从目标资源集合中将与特定资源集合重合的资源进行排除；从物理层上报的资源集合中，排除与特定资源集合重合的资源。
可选地，本申请实施例中，目标信息为特定资源集合；处理器110，具体用于对目标资源集合进行初始化，并将初始化后的目标资源集合中与特定资源集合重合的资源排除。
可选地，本申请实施例中，目标信息为第二终端的预留资源；处理器110，具体用于在第一终端检测到第二终端的预留资源的情况下，从目标资源集合中排除第二终端的预留资源。
可选地，本申请实施例中，目标信息为第二同步信号所在的时间单位；处理器110，具体用于排除目标资源集合中第二同步信号所在的时隙，第二同步信号为第二终端的同步信号。
可选地，本申请实施例中，处理器110，具体用于以下至少一项：确定第二同步信号的时隙，并根据第二同步信号所在的时隙，排除目标资源集合中对应的资源；通过高层的配置信息获取第二同步信号的时隙，并根据第二同步信号所在的时隙，排除目标资源集合中对应的资源。
可选地，本申请实施例中，处理器110，具体用于根据第三信息，发送第二信息，进行资源预留；其中，第三信息包括：高层的指示信息中指示的预留周期和/或预留周期对应的逻辑时隙数；第二信息包括：第一控制信息，和/或第二控制信息；其中，第一控制信息指示的预留周期根据高层的指示信息确定；第二控制信息指示的预留周期根据第一控制信息指示的预留资源位置和/或预留周期对应的逻辑时隙数确定。
可选地，本申请实施例中，处理器110，具体用于根据第四信息，发送第二信息，进行资源预留；其中，第四信息为资源池配置的预留周期包括第一周期集。
可选地，本申请实施例中，处理器110，具体用于在第一终端进行选择资源的情况下，选择目标资源集合中通过重传指示信息指示物理副链路反馈信道PSFCH occasion的资源。
可选地，本申请实施例中，处理器110，具体用于在第一终端的第一模块在时刻N时触发了资源上报的情况下，通过第二模块在时刻n+K之后利用第一模块的信息进行资源选择和/或上报给MAC层。
可选地，本申请实施例中，处理器110，具体用于在时刻n触发了资源上报，在时刻n+K之后利用第一模块的信息进行资源选择和/或上报候选资源集合给MAC层。
可选地，本申请实施例中，处理器110，具体用于以下至少一项：发送第一控制信息；和/或在第一控制信息指示的资源发送PSFCH和/或第一同步信号；其中，第一控制信息为第二终端的SCI。
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同步信号确定方法实施例的各个过程，或者实现上述资源选择和预留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，实现上述同步信号确定方法实施例的各个过程，或者实现上述资源选择和预留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同步信号确定方法实施例的各个过程，或者实现上述资源选择和预留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。
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 (55)

  1. 一种同步信号确定方法，包括：
    第一终端接收和/或发送第一同步信号，所述第一同步信号由第一信息确定；所述第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；
    其中，所述第一资源由第二同步信号的资源相关信息确定。
  2. 根据权利要求1所述的方法，其中，所述第一信息包括所述第一同步信号与第二同步信号的关系；所述第一同步信号与第二同步信号的关系包括以下至少一项：
    所述第一同步信号的资源与所述第二同步信号的资源频分复用FDM；
    所述第一同步信号的资源相对第一参考点的偏移量与所述第二同步信号的资源相对第二参考点的偏移量相同，所述第一参考点和所述第二参考点相同或不同；
    所述第一同步信号的资源的起始位置与所述第二同步信号的资源的起始位置相同；
    所述第一同步信号的资源的结束位置与所述第二同步信号的资源的结束位置相同。
  3. 根据权利要求2所述的方法，其中，所述第一同步信号的资源与所述第二同步信号资源FDM包括以下至少一项：
    所述第一同步信号的资源与所述第二同步信号的资源位于同一时间单位或者至少部分重叠的时间单位；
    所述第一同步信号的资源在所述第二同步信号的资源上方；
    所述第一同步信号的资源在所述第二同步信号的资源下方。
  4. 根据权利要求1所述的方法，其中，所述第一信息为所述第一同步信号位于第一资源；第一同步信号位于第一资源包括以下至少一项：
    所述第一同步信号配置在时分双工TDD配置信息的下行Downlink时隙和/或灵活flexible时隙中；
    所述第一同步信号配置在目标副链路资源池配置信息指示为0的资源中；
    重用所述第二同步信号。
  5. 根据权利要求4所述的方法，其中，所述重用所述第二同步信号包括以下至少一项：
    发送的同步信号为长期演进系统LTE同步信号；
    重用第二同步信号的物理层设计规则；
    在确定所述目标资源池的情况下，排除所述第二同步信号所在的时隙；
    每个周期内的所述第一同步信号资源只有一个。
  6. 一种资源选择和预留方法，包括：
    第一终端在第一资源池上或第一频段上进行资源选择；
    和/或
    发送第二信息，进行资源预留。
  7. 根据权利要求6所述的方法，其中，所述第一资源池为所述第一终端和第二终端共存的资源池；
    和/或
    所述第一频段为所述第一终端和第二终端共存的频段。
  8. 根据权利要求6所述的方法，其中，所述第一资源池或所述第一频段只允许具有第一模块的终端接入。
  9. 根据权利要求6所述的方法，其中，所述第一资源池或所述第一频段的配置包括以下至少之一：
    预留周期集合配置信息；
    子信道尺寸配置信息；
    子信道数量配置信息；
    时分双工TDD配置信息；
    副链路通信资源池配置信息；
    副链路通信配置信息；
    系统信息块信息。
  10. 根据权利要求6所述的方法，其中，所述第一资源池不包括具有第一同步信号的资源的时隙和第二同步信号的资源的时隙，所述第一同步信号为所述第一终端同步信号，所述第二同步信号为第二终端同步信号。
  11. 根据权利要求6的方法，所述第一终端在第一资源池上或第一频段上进行资源选择，包括：
    所述第一终端根据目标信息对目标资源集合进行资源处理，所述目标资源集合为所述第一终端的副链路候选资源集合；
    所述目标信息包括以下至少一项：第二终端的预留资源、第一信息、特定资源集合、第二同步信号所在的时间单位；所述第二同步信号为第二终端的同步信号；
    其中，所述第一信息包括以下至少一项：所述第一终端的副链路控制信息SCI、所述目标资源集合中的资源的参考信号接收功率RSRP、所述目标资源集合中的资源的优先级；所述第二同步信号为第二终端的同步信号。
  12. 根据权利要求11所述的方法，其中，所述目标信息为所述第二终端的预留资源，所述预留资源包括预留周期和所述预留周期对应的逻辑时隙数；
    所述第一终端根据目标信息，对目标资源集合进行资源处理，包括：
    所述第一终端根据所述预留周期和所述预留周期对应的逻辑时隙数，确定对应的所述目标资源集合中的资源；
    所述第一终端根据所述目标资源集合中的资源，对所述目标资源集合进行资源排除。
  13. 根据权利要求11所述的方法，其中，所述目标信息为所述第一信息；
    所述第一终端根据目标信息，对目标资源集合进行资源处理，包括：
    所述第一终端根据所述第一信息，对所述目标资源集合中满足第一目标条件的资源进行资源排除；
    其中，所述第一目标条件包括以下至少一项：
    所述SCI的周期预留指示域指示了预留周期；
    所述SCI的优先级指示域指示了优先级；
    资源对应的RSRP大于或等于第一门限值；
    资源的优先级大于或等于第二门限值；
    资源与所述SCI指示的资源对应的预留资源重叠。
  14. 根据权利要求11所述的方法，其中，所述目标信息为所述特定资源集合；所述第一终端根据目标信息，对目标资源集合进行资源处理，包括以下至少一项：
    所述第一终端对所述目标资源集合中的所述特定资源集合进行资源排除；
    其中，所述特定资源集合由第一模块确定；所述特定资源集合由第一模块传递给第二模块。
  15. 根据权利要求14所述的方法，其中，所述第一终端对所述目标资源集合中的所述特定资源集合进行资源排除，包括以下至少一项：
    在所述第一终端确定所述目标资源集合满足条件的情况下，所述第一终端从所述目标资源集合中将与所述特定资源集合重合的资源进行排除；
    所述第一终端的MAC层从物理层上报的资源集合中，排除与所述特定资源集合重合的资源。
  16. 根据权利要求11或14所述的方法，其中，所述目标信息为特定资源集合；
    所述第一终端根据目标信息，对目标资源集合进行资源处理，包括：
    所述第一终端对所述目标资源集合进行初始化，并将初始化后的所述目标资源集合中与所述特定资源集合重合的资源排除。
  17. 根据权利要求11所述的方法，其中，所述目标信息为所述第二终端的预留资源；所述第一终端根据目标信息，对目标资源集合进行资源处理，包括：
    在所述第一终端检测到所述第二终端的预留资源的情况下，所述第一终端从目标资源集合中排除所述第二终端的预留资源。
  18. 根据权利要求11所述的方法，其中，所述目标信息为所述第二同步信号所在的时间单位；
    所述第一终端根据目标信息对目标资源集合进行资源处理，包括：
    所述第一终端排除所述目标资源集合中第二同步信号所在的时隙，所述第二同步信号为第二终端的同步信号。
  19. 根据权利要求18所述的方法，其中，所述第一终端排除目标资源集合中第二同步信号所在的时隙，包括以下至少一项：
    所述第一终端确定所述第二同步信号的时隙，并根据所述第二同步信号所在的时隙，排除所述目标资源集合中对应的资源；
    所述第一终端通过高层的配置信息获取所述第二同步信号的时隙，并根据所述第二同步信号所在的时隙，排除所述目标资源集合中对应的资源。
  20. 根据权利要求6所述的方法，其中，
    所述发送第二信息，进行资源预留，包括：
    所述第一终端根据第三信息，发送所述第二信息，进行资源预留；
    其中，所述第三信息包括：
    高层的指示信息中指示的预留周期和/或所述预留周期对应的逻辑时隙数；
    所述第二信息包括：第一控制信息，和/或第二控制信息；
    其中，所述第一控制信息指示的预留周期根据高层的指示信息确定；
    所述第二控制信息指示的预留周期根据第一控制信息指示的预留资源位置和/或预留周期对应的逻辑时隙数确定。
  21. 根据权利要求6所述的方法，其中，
    所述发送第二信息，进行资源预留，包括：
    所述第一终端根据第四信息，发送所述第二信息，进行资源预留；
    其中，所述第四信息为资源池配置的预留周期包括第一周期集。
  22. 根据权利要求6所述的方法，其中，所述第一终端在第一资源池上或第一频段上进行资源选择，包括：
    在所述第一终端进行选择资源的情况下，所述第一终端选择目标资源集合中通过重传指示信息指示物理副链路反馈信道PSFCH occasion的资源。
  23. 根据权利要求6所述的方法，其中，所述第一终端在第一资源池上或第一频段上进行资源选择，包括：
    在所述第一终端的第一模块在时刻N时触发了资源上报的情况下，所述第一终端的第二模块在时刻n+K之后利用所述第一模块的信息进行资源选择和/或上报给MAC层。
  24. 根据权利要求6所述的方法，其中，第一终端在第一资源池上或第一频段上进行资源选择，包括：
    所述第一终端在时刻n触发了资源上报，所述第一终端的第二模块在时刻n+K之后利用第一模块的信息进行资源选择和/或上报候选资源集合给MAC层。
  25. 根据权利要求6所述的方法，其中，所述发送第二信息，进行资源预留，包括以下至少一项：
    发送第一控制信息；
    和/或
    在第一控制信息指示的资源发送PSFCH和/或第一同步信号；
    其中，所述第一控制信息为第二终端的SCI。
  26. 根据权利要求7所述的方法，其中，所述第一频段的第一配置信息中指示的DFN offset与第二配置信息中指示的DFN offset相同。
  27. 一种同步信号确定装置，所述装置包括：处理模块；所述处理模块用于接收和/或发送第一同步信号，所述第一同步信号由第一信息确定；所述第一信息包括以下至少一项：每个周期内的第一同步信号资源只有一个、第一同步信号与第二同步信号的关系、第一频段上不存在第一同步信号资源、第一同步信号位于第一资源；
    其中，所述第一资源由第二同步信号的资源相关信息确定。
  28. 根据权利要求27所述的装置，其中，所述第一信息包括所述第一同步信号与第二同步信号的关系；所述第一同步信号与第二同步信号的关系包括以下至少一项：
    所述第一同步信号的资源与所述第二同步信号的资源频分复用FDM；
    所述第一同步信号的资源相对第一参考点的偏移量与所述第二同步信号的资源相对第二参考点的偏移量相同，所述第一参考点和所述第二参考点相同或不同；
    所述第一同步信号的资源的起始位置与所述第二同步信号的资源的起始位置相同；
    所述第一同步信号的资源的结束位置与所述第二同步信号的资源的结束位置相同。
  29. 根据权利要求28所述的装置，其中，所述第一同步信号的资源与所述第二同步信号资源FDM包括以下至少一项：
    所述第一同步信号的资源与所述第二同步信号的资源位于同一时间单位或者至少部分重叠的时间单位；
    所述第一同步信号的资源在所述第二同步信号的资源上方；
    所述第一同步信号的资源在所述第二同步信号的资源下方。
  30. 根据权利要求27所述的装置，其中，所述第一信息为所述第一同步信号位于第一资源；第一同步信号位于第一资源包括以下至少一项：
    所述第一同步信号配置在时分双工TDD配置信息的下行Downlink时隙和/或灵活flexible时隙中；
    所述第一同步信号配置在目标副链路资源池配置信息指示为0的资源中；
    重用所述第二同步信号。
  31. 根据权利要求30所述的装置，其中，所述重用所述第二同步信号包括以下至少一项：
    发送的同步信号为长期演进系统LTE同步信号；
    重用第二同步信号的物理层设计规则；
    在确定所述目标资源池的情况下，排除所述第二同步信号所在的时隙；
    每个周期内的所述第一同步信号资源只有一个。
  32. 一种资源选择和预留装置，所述装置包括：处理模块；所述处理模块，用于在第一资源池上或第一频段上进行资源选择；
    和/或
    发送第二信息，进行资源预留。
  33. 根据权利要求32所述的装置，其中，所述第一资源池为所述第一终端和第二终端共存的资源池；
    和/或
    所述第一频段为所述第一终端和第二终端共存的频段。
  34. 根据权利要求32所述的装置，其中，所述第一资源池或所述第一频段只允许具有第一模 块的终端接入。
  35. 根据权利要求32所述的装置，其中，所述第一资源池或所述第一频段的配置包括以下至少之一：
    预留周期集合配置信息；
    子信道尺寸配置信息；
    子信道数量配置信息；
    时分双工TDD配置信息；
    副链路通信资源池配置信息；
    副链路通信配置信息；
    系统信息块信息。
  36. 根据权利要求32所述的装置，其中，所述第一资源池不包括具有第一同步信号的资源的时隙和第二同步信号的资源的时隙，所述第一同步信号为所述第一终端同步信号，所述第二同步信号为第二终端同步信号。
  37. 根据权利要求32的装置，所述处理模块，具体用于根据目标信息对目标资源集合进行资源处理，所述目标资源集合为所述第一终端的副链路候选资源集合；
    所述目标信息包括以下至少一项：第二终端的预留资源、第一信息、特定资源集合、第二同步信号所在的时间单位；所述第二同步信号为第二终端的同步信号；
    其中，所述第一信息包括以下至少一项：所述第一终端的副链路控制信息SCI、所述目标资源集合中的资源的参考信号接收功率RSRP、所述目标资源集合中的资源的优先级；所述第二同步信号为第二终端的同步信号。
  38. 根据权利要求37所述的装置，其中，所述目标信息为所述第二终端的预留资源，所述预留资源包括预留周期和所述预留周期对应的逻辑时隙数；
    所述处理模块，具体用于根据所述预留周期和所述预留周期对应的逻辑时隙数，确定对应的所述目标资源集合中的资源；
    所述第一终端根据所述目标资源集合中的资源，对所述目标资源集合进行资源排除。
  39. 根据权利要求37所述的装置，其中，所述目标信息为所述第一信息；
    所述处理模块，具体用于根据所述第一信息，对所述目标资源集合中满足第一目标条件的资源进行资源排除；
    其中，所述第一目标条件包括以下至少一项：
    所述SCI的周期预留指示域指示了预留周期；
    所述SCI的优先级指示域指示了优先级；
    资源对应的RSRP大于或等于第一门限值；
    资源的优先级大于或等于第二门限值；
    资源与所述SCI指示的资源对应的预留资源重叠。
  40. 根据权利要求37所述的装置，其中，所述目标信息为所述特定资源集合；所述处理模块，具体用于对所述目标资源集合中的所述特定资源集合进行资源排除；
    其中，所述特定资源集合由第一模块确定；所述特定资源集合由第一模块传递给第二模块。
  41. 根据权利要求40所述的装置，其中，所述处理模块，具体用于以下至少一项：
    在所述第一终端确定所述目标资源集合满足条件的情况下，从所述目标资源集合中将与所述特定资源集合重合的资源进行排除；
    从物理层上报的资源集合中，排除与所述特定资源集合重合的资源。
  42. 根据权利要求37或40所述的装置，其中，所述目标信息为特定资源集合；
    所述处理模块，具体用于对所述目标资源集合进行初始化，并将初始化后的所述目标资源集合中与所述特定资源集合重合的资源排除。
  43. 根据权利要求37所述的装置，其中，所述目标信息为所述第二终端的预留资源；所述处理模块，具体用于在所述第一终端检测到所述第二终端的预留资源的情况下，从目标资源集合中 排除所述第二终端的预留资源。
  44. 根据权利要求37所述的装置，其中，所述目标信息为所述第二同步信号所在的时间单位；
    所述处理模块，具体用于排除所述目标资源集合中第二同步信号所在的时隙，所述第二同步信号为第二终端的同步信号。
  45. 根据权利要求44所述的装置，其中，所述处理模块，具体用于以下至少一项：
    确定所述第二同步信号的时隙，并根据所述第二同步信号所在的时隙，排除所述目标资源集合中对应的资源；
    通过高层的配置信息获取所述第二同步信号的时隙，并根据所述第二同步信号所在的时隙，排除所述目标资源集合中对应的资源。
  46. 根据权利要求32所述的装置，其中，
    所述处理模块，具体用于根据第三信息，发送所述第二信息，进行资源预留；
    其中，所述第三信息包括：
    高层的指示信息中指示的预留周期和/或所述预留周期对应的逻辑时隙数；
    所述第二信息包括：第一控制信息，和/或第二控制信息；
    其中，所述第一控制信息指示的预留周期根据高层的指示信息确定；
    所述第二控制信息指示的预留周期根据第一控制信息指示的预留资源位置和/或预留周期对应的逻辑时隙数确定。
  47. 根据权利要求32所述的装置，其中，
    所述处理模块，具体用于根据第四信息，发送所述第二信息，进行资源预留；
    其中，所述第四信息为资源池配置的预留周期包括第一周期集。
  48. 根据权利要求32所述的装置，其中，所述处理模块，具体用于在所述第一终端进行选择资源的情况下，选择目标资源集合中通过重传指示信息指示物理副链路反馈信道PSFCH occasion的资源。
  49. 根据权利要求32所述的装置，其中，所述处理模块，具体用于在所述第一终端的第一模块在时刻N时触发了资源上报的情况下，并在时刻n+K之后利用所述第一模块的信息进行资源选择和/或上报给MAC层。
  50. 根据权利要求32所述的装置，其中，所述处理模块，具体用于在时刻n触发了资源上报，并在时刻n+K之后利用第一模块的信息进行资源选择和/或上报候选资源集合给MAC层。
  51. 根据权利要求32所述的装置，其中，所述处理模块，具体用于以下至少一项：
    发送第一控制信息；
    和/或
    在第一控制信息指示的资源发送PSFCH和/或第一同步信号；
    其中，所述第一控制信息为第二终端的SCI。
  52. 据权利要求33所述的装置，其中，所述第一频段的第一配置信息中指示的DFN offset与第二配置信息中指示的DFN offset相同。
  53. 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5中任一项所述的同步信号确定方法的步骤。
  54. 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6至26中任一项所述的资源选择和预留方法的步骤。
  55. 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至5中任一项所述的同步信号确定方法，或者实现如权利要求6至26任一项所述的资源选择和预留方法的步骤。
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