Resource determination methods, terminals, communication systems, and storage media

Abstract

This disclosure relates to a resource determination method, a terminal, a communication system, and a storage medium. The method includes: determining that there are other candidate resources besides a first candidate resource in the current time slot; determining a second candidate resource from the other candidate resources; and transmitting a first sidelink positioning reference signal (SL PRS) on the second candidate resource. The first SL PRS is a common sequence configured through a resource pool. The first candidate resource is a candidate resource for transmitting the second SL PRS after transmitting the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries a sequence configured by the first terminal for the second terminal through sidelink higher-layer signaling. This disclosure enables continuous transmission of the sidelink positioning reference signal, ensuring that the channel occupied by the sidelink positioning reference signal on the unlicensed channel is not interrupted.

Description

Technical Field

[0001] This disclosure relates to the field of communication technology, and in particular to resource determination methods, terminals, communication systems and storage media. Background Technology

[0002] Terminal devices can communicate with each other via a sidelink (SL), for example, by transmitting a sidelink positioning reference signal (SL PRS) to perform SL positioning. Summary of the Invention

[0003] This disclosure presents a resource determination method, a terminal, a communication system, and a storage medium.

[0004] On one hand, a resource determination method is proposed according to embodiments of this disclosure, the method comprising:

[0005] Determine if there are other candidate resources besides the first candidate resource in the current time slot; determine the second candidate resource from the other candidate resources;

[0006] Send a first side link positioning reference signal (SL PRS) on the second candidate resource. The first SL PRS is a common sequence configured through the resource pool.

[0007] The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal for the second terminal through the side link higher layer signaling.

[0008] On the other hand, embodiments of this disclosure propose a terminal, the terminal comprising:

[0009] The processing module is used to determine whether there are other candidate resources besides the first candidate resource in the current time slot; and to determine the second candidate resource from the other candidate resources.

[0010] Transmission module: Transmits a first side-link positioning reference signal (SL PRS) on the second candidate resource. The first SL PRS is a common sequence configured through the resource pool.

[0011] The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal for the second terminal through the side link higher layer signaling.

[0012] On the other hand, embodiments of this disclosure propose a terminal, including:

[0013] One or more processors;

[0014] The terminal is used to execute any of the resource determination methods in the embodiments of this disclosure.

[0015] On the other hand, embodiments of this disclosure propose a communication system including a terminal; wherein the terminal is configured to implement the resource determination method of any one of the embodiments of this disclosure.

[0016] On the other hand, embodiments of this disclosure provide a storage medium that, when instructions are executed on a communication device, causes the communication device to perform any of the resource determination methods in embodiments of this disclosure. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings required for the description of the embodiments are introduced below. The following drawings are only some embodiments of this disclosure and do not impose specific limitations on the protection scope of this disclosure.

[0018] Figure 1A This is an exemplary schematic diagram of the architecture of a communication system provided according to embodiments of the present disclosure;

[0019] Figure 1B This is a schematic diagram illustrating time-division multiplexing using comb offsets within different candidate timings in a time slot, according to an embodiment of this disclosure.

[0020] Figure 1C This is a schematic diagram illustrating multi-slot transmission according to embodiments of the present disclosure;

[0021] Figure 1D This is a schematic diagram illustrating a UE transmitting a channel occupancy signal on an empty physical direct feedback channel, according to an embodiment of this disclosure.

[0022] Figure 1E This is a schematic diagram illustrating channel loss caused by the first candidate opportunity within a time slot not being occupied by the UE, according to an embodiment of this disclosure;

[0023] Figure 2 This is one of the interactive schematic diagrams of a resource determination method shown according to an embodiment of the present disclosure;

[0024] Figure 3 A flowchart illustrating a resource determination method according to an embodiment of this disclosure;

[0025] Figure 4 This is a second interactive schematic diagram of a resource determination method shown according to an embodiment of this disclosure;

[0026] Figure 5AThis is a schematic diagram of a common sequence of positioning reference signals transmitted using a comb offset with candidate timing, as proposed in an embodiment of this disclosure.

[0027] Figure 5B This is a schematic diagram of transmitting a common sequence of positioning reference signals on the bandwidth corresponding to the resource pool proposed in the embodiments of this disclosure;

[0028] Figure 5C This is a schematic diagram of the common sequence of positioning reference signals transmitted on the first PRB set proposed in the embodiments of this disclosure;

[0029] Figure 5D This is a schematic diagram of the common sequence of positioning reference signals transmitted on the first RE set according to an embodiment of this disclosure;

[0030] Figure 6A This is a schematic diagram of the structure of the terminal 101 proposed in this embodiment;

[0031] Figure 6B This is a schematic diagram of the structure of the terminal 102 proposed in this embodiment;

[0032] Figure 7A This is a schematic diagram of the structure of the communication device proposed in the embodiments of this disclosure;

[0033] Figure 7B This is a schematic diagram of the chip structure proposed in the embodiments of this disclosure. Detailed Implementation

[0034] This disclosure presents a resource determination method, a terminal, a communication system, and a storage medium.

[0035] In a first aspect, embodiments of this disclosure propose a resource determination method, the method comprising:

[0036] Determine if there are other candidate resources besides the first candidate resource in the current time slot; determine the second candidate resource from the other candidate resources;

[0037] Send a first side link positioning reference signal (SL PRS) on the second candidate resource. The first SL PRS is a common sequence configured through the resource pool.

[0038] The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal for the second terminal through the side link higher layer signaling.

[0039] In the above embodiments, determining a second candidate resource from other candidate resources besides the first candidate resource in the current time slot and sending the first SL PRS from the second candidate resource can avoid the loss of channel occupancy time for other candidate resources in the time slot because no other terminal has sent the second SL PRS.

[0040] In conjunction with some embodiments of the first aspect, in some embodiments, the second candidate resource is any one of the following:

[0041] Other candidate resources that are preceding the first candidate resource; or

[0042] The second candidate resource is any other candidate resource.

[0043] In the above embodiments, the second candidate resource is determined from the candidate resources that precede the first candidate resource among other candidate resources, or the second candidate resource is determined from other candidate resources, so that in both cases where the terminal supports the continuous transmission mechanism and does not support the continuous transmission mechanism, the channel occupancy time of other candidate resources in the time slot is not lost because they are not sent by other terminals to the second SLPRS.

[0044] In conjunction with some embodiments of the first aspect, in some embodiments, the second candidate resource includes at least one of the following:

[0045] The first candidate for resource pool configuration; and

[0046] The first comb offset of the first candidate timing for resource pool configuration.

[0047] In the above embodiments, the candidate timing for sending the first SL PRS and the comb offset of the candidate timing are determined according to the resource pool configuration, thereby reducing the time required to determine the candidate resources for sending the first SL PRS.

[0048] In conjunction with some embodiments of the first aspect, in some embodiments, sending a first SL PRS includes:

[0049] Send the first SL PRS within the bandwidth corresponding to the resource pool; or

[0050] The first SL PRS is transmitted in the first frequency domain resource of the bandwidth;

[0051] The first frequency domain resources are:

[0052] The first PRB set on the bandwidth, the first SL PRS transmitted on the first PRB set has a one-to-one bit correspondence with the first SL PRS transmitted on the bandwidth; or...

[0053] The first RE set on the bandwidth, the first SL PRS transmitted on the first RE set has a one-to-one correspondence of bits with the first SL PRS transmitted on the bandwidth.

[0054] In the above embodiments, the first SL PRS is sent on the first PRB set or the first RE set. The first PRB set or the first RE set is a subset of the bandwidth corresponding to the resource pool, thereby reducing the bandwidth resource occupation of sending the first SL PRS.

[0055] In conjunction with some embodiments of the first aspect, in some embodiments, the first SL PRS is generated based on the first SL PRS sequence number;

[0056] The first SL PRS sequence number is determined in any of the following ways:

[0057] Resource pools are pre-configured;

[0058] Determined based on the preset Cyclic Redundancy Check (CRC) code;

[0059] The first CRC is determined based on the preset bits of the first CRC, which is the CRC corresponding to the preset PSCCH payload.

[0060] In the above embodiments, multiple methods are provided to determine the sequence number of the first SLPRS, so that there are multiple options for generating the first SLPRS.

[0061] In conjunction with some embodiments of the first aspect, in some embodiments, the resource pool includes a set of time-domain resources and frequency-domain resources determined by the first terminal.

[0062] In the above embodiments, the resource pool includes time-domain resources and frequency-domain resources determined by the first terminal, used to determine the second candidate resources corresponding to the first SL PRS, and to determine the frequency-domain resources corresponding to the first SL PRS.

[0063] In conjunction with some embodiments of the first aspect, some embodiments further include:

[0064] If the interval between the first transmission time and the transmission time corresponding to the second candidate resource is greater than the duration threshold, the CPE corresponding to the first SL PRS is transmitted between the first transmission time and the transmission time corresponding to the second candidate resource.

[0065] In the first transmission time, a first signal or a first channel is transmitted. The first signal is either a first SL PRS or a second SL PRS, and the first channel is PSCCH.

[0066] In the above embodiment, when the transmission interval between the first SL PRS and the adjacent first SL PRS, second SL PRS or PSCCH is greater than the duration threshold, the CPE corresponding to the first SL PRS is transmitted so that the channel occupancy is not interrupted by other services.

[0067] In conjunction with some embodiments of the first aspect, in some embodiments, the CPE corresponding to the first SL PRS includes: a CPE transmitted within the current time slot before the transmission time corresponding to the second candidate resource.

[0068] In the above embodiment, the CPE sent before the transmission time corresponding to the second candidate resource in the current time slot is used for channel occupation, so that the channel occupation of the first terminal is not interrupted by other services.

[0069] In conjunction with some embodiments of the first aspect, some embodiments further include:

[0070] When the interval between the second transmission time and the transmission time corresponding to the first candidate resource is greater than the duration threshold, the CPE corresponding to the second SL PRS is transmitted between the second transmission time and the transmission time corresponding to the first candidate resource.

[0071] In this process, a second signal or a first channel is transmitted at the second transmission time. The second signal is the first SL PRS, and the first channel is the PSCCH.

[0072] In the above embodiment, when the transmission interval between the second SL PRS and the adjacent first SL PRS or PSCCH is greater than the duration threshold, the CPE corresponding to the second SL PRS is transmitted so that the channel occupancy is not interrupted by other services.

[0073] In conjunction with some embodiments of the first aspect, in some embodiments, the CPE corresponding to the second SL PRS includes: a CPE transmitted within the current time slot before the transmission time corresponding to the first candidate resource.

[0074] In the above embodiment, the CPE sent before the transmission time corresponding to the first candidate resource in the current time slot is used for channel occupation, so that the channel occupation of the first terminal is not interrupted by other services.

[0075] In conjunction with some embodiments of the first aspect, in some embodiments, transmitting the first SL PRS includes: transmitting the first SL PRS according to a first transmission power;

[0076] The first transmission power is determined according to any of the following methods:

[0077] The first quantity is determined based on the first quantity and the power obtained during the power control process of the first SL PRS. The first quantity is the number of second comb offsets reserved by the first terminal in the first candidate timing, and the second comb offset is the comb offset as the candidate resource corresponding to the first SL PRS.

[0078] The power is determined based on the magnitude of the first comb-shaped offset and the power obtained during the power control process of the first SL PRS.

[0079] In the above embodiment, when it is detected that other terminals have reserved the second comb offset as the transmission resource for the first SL PRS in the first candidate timing, the transmission power of the first SL PRS is reduced, thereby reducing the power of transmitting the first SL PRS in the first candidate timing.

[0080] Secondly, embodiments of this disclosure provide a terminal, the terminal comprising:

[0081] The processing module is used to determine whether there are other candidate resources besides the first candidate resource in the current time slot; and to determine the second candidate resource from the other candidate resources.

[0082] Transmission module: Transmits a first side-link positioning reference signal (SL PRS) on the second candidate resource. The first SL PRS is a common sequence configured through the resource pool.

[0083] The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal for the second terminal through the side link higher layer signaling.

[0084] Thirdly, embodiments of this disclosure provide a terminal, including:

[0085] One or more processors;

[0086] The terminal is used to execute the resource determination method of any one of the first aspects.

[0087] Fourthly, embodiments of this disclosure provide a communication system including a terminal; wherein the terminal is configured to implement the resource determination method of any of the first aspects.

[0088] Fifthly, embodiments of this disclosure provide a storage medium that, when instructions are executed on a communication device, causes the communication device to perform a resource determination method as described in any of the first aspects.

[0089] In a sixth aspect, embodiments of this disclosure provide a program product that, when executed by a communication device, causes the communication device to perform the method described in the optional implementation of the first aspect.

[0090] In a seventh aspect, embodiments of this disclosure provide a computer program that, when run on a computer, causes the computer to perform the method as described in an alternative implementation of the first aspect.

[0091] Eighthly, embodiments of this disclosure provide a chip or chip system. The chip or chip system includes processing circuitry configured to perform the method described in the optional implementation of the first aspect above.

[0092] It is understood that the aforementioned terminals, communication systems, storage media, program products, computer programs, chips, or chip systems are all used to execute the methods proposed in the embodiments of this disclosure. Therefore, the beneficial effects they can achieve can be referred to the beneficial effects in the corresponding methods, and will not be repeated here.

[0093] This disclosure provides a resource determination method, a terminal, a communication system, and a storage medium. In some embodiments, the terms "resource determination method" and "signal transmission method," "wireless frame transmission method," etc., can be used interchangeably, as can the terms "information processing system," "communication system," etc.

[0094] This disclosure is not exhaustive, but merely illustrative of some embodiments, and is not intended to limit the scope of protection of this disclosure. Unless otherwise specified, each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged. Furthermore, the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0095] In each of the disclosed embodiments, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the embodiments are consistent and can be referenced by each other. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.

[0096] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure.

[0097] In the embodiments disclosed herein, "multiple" refers to two or more.

[0098] In some embodiments, the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.

[0099] In some embodiments, the notation "at least one of A and B", "A and / or B", "A in one case, B in another", "in response to one case A, in response to another case B", etc., may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.

[0100] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.

[0101] The prefixes "first," "second," etc., used in the embodiments of this disclosure are merely for distinguishing different descriptive objects and do not impose restrictions on the position, order, priority, quantity, or content of the descriptive objects. The description of the descriptive objects is found in the claims or the context of the embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the descriptive object is a "field," the ordinal numbers preceding "field" in "first field" and "second field" do not restrict the position or order of the "fields." "First" and "second" do not restrict whether the "fields" they modify are in the same message, nor do they restrict the order of "first field" and "second field." Similarly, if the descriptive object is a "level," the ordinal numbers preceding "level" in "first level" and "second level" do not restrict the priority between "levels." Furthermore, the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is "device", then "first device" and "second device" can be the same device or different devices, and their types can be the same or different. Similarly, if the object being described is "information", then "first information" and "second information" can be the same information or different information, and their content can be the same or different.

[0102] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0103] In some embodiments, the terms “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “if…”, “if…”, etc., can be used interchangeably.

[0104] In some embodiments, the terms “greater than,” “less than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.

[0105] In some embodiments, the apparatus and device may be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they may also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "body", etc.

[0106] In some embodiments, the terms "access network device (AN device)," "radio access network device (RAN device)," "base station (BS)," "radio base station," "fixed station," "node," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "antenna panel," "antenna array," "cell," "macro cell," "small cell," "femto cell," "pico cell," "sector," "cell group," "carrier," "component carrier," and "bandwidth part (BWP)" can be used interchangeably.

[0107] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriberstation, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, and client can be used interchangeably.

[0108] In some embodiments, access network devices, core network devices, or network devices can be replaced by terminals. For example, embodiments of this disclosure can also be applied to structures that replace communication between access network devices, core network devices, or network devices and terminals with communication between multiple terminals (e.g., also referred to as device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, the structure can also be configured such that the terminal has all or part of the functions of the access network device. Furthermore, terms such as "uplink" and "downlink" can be replaced with terms corresponding to communication between terminals (e.g., "sidelink"). For example, uplink channel, downlink channel, etc., can be replaced with sidelink channel, uplink link, downlink link, etc., can be replaced with sidelink link.

[0109] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, core network device, or network device may also be configured to have all or some of the functions of the terminal.

[0110] In some embodiments, the terms "uplink", "uplink", and "physical uplink" can be used interchangeably, as can the terms "downlink", "downlink", and "physical downlink", as well as the terms "sidelink", "sidelink", "sidelink communication", "sidelink communication", "direct connection", "direct link", "direct communication", and "direct link communication".

[0111] In some embodiments, the terms “downlink control information (DCI),” “downlink (DL) assignment,” “DL DCI,” “uplink (UL) grant,” and “UL DCI” can be used interchangeably.

[0112] In some embodiments, terms such as "physical downlink shared channel (PDSCH)" and "DL data" can be used interchangeably, as can terms such as "physical uplink shared channel (PUSCH)" and "UL data".

[0113] In some embodiments, “get,” “obtain,” “get,” “receive,” “transmit,” “bidirectional transmission,” and “send and / or receive” can be used interchangeably and can be interpreted as receiving from other entities, obtaining from protocols, processing and obtaining on their own, or autonomously implementing, among other meanings.

[0114] In some embodiments, terms such as “send,” “transmit,” “report,” “distribute,” “transfer,” “bidirectional transmission,” “send and / or receive” can be used interchangeably.

[0115] In some embodiments, "pre-defined" or "pre-set" can be interpreted as pre-specified in an agreement or the like, or as a device or the like performing a pre-set action.

[0116] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.

[0117] In some embodiments, data, information, etc., may be obtained with the user's consent.

[0118] Furthermore, each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.

[0119] Figure 1A This is one of the schematic diagrams illustrating a resource determination method according to an embodiment of this disclosure. For example... Figure 1A As shown, the communication system 100 includes a terminal 101 and a terminal 102.

[0120] In some embodiments, terminal 101 includes, for example, at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet computer, computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal device in industrial control, wireless terminal device in self-driving, wireless terminal device in remote medical surgery, wireless terminal device in smart grid, wireless terminal device in transportation safety, wireless terminal device in smart city, and wireless terminal device in smart home, but is not limited thereto. It is understood that the communication system described in this disclosure is for the purpose of more clearly illustrating the technical solutions of the embodiments of this disclosure and does not constitute a limitation on the technical solutions proposed in the embodiments of this disclosure. Those skilled in the art will recognize that with the evolution of system architecture...

[0121] With the emergence of new business scenarios, the technical solutions proposed in this disclosure are also applicable to similar technical problems. The following embodiments of this disclosure can be applied to... Figure 1A The communication system 100 shown, or a part thereof, but not limited to it. Figure 1A The entities shown are illustrative; a communication system may include... Figure 1A All or part of the main body, or may include Figure 1A Other entities besides the main body, the number and form of each entity are arbitrary, the connection relationship between the entities is illustrative, the entities may not be connected or may be connected, and the connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.

[0122] The embodiments disclosed herein can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Futuregeneration radio access (FX), Global System for Mobile communications (GSM), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), and IEEE 802.20, Ultra-Wideband (UWB), Bluetooth (a registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X) systems, systems utilizing other resource determination methods, and next-generation systems extended from them, etc. Furthermore, multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G).

[0123] The embodiments disclosed herein can be applied to the continuous transmission of Sidelink Positioning Reference Signal (SL PRS). In R18 SL positioning, for a dedicated resource pool, multiple UEs can be comb-multiplexed within a single candidate timing. At the same time, multiple candidate timings are supported within a slot, and different UEs can also use comb offsets within different candidate timings to transmit TDM.

[0124] Figure 1B This is a schematic diagram illustrating time-division multiplexing using comb offsets within different candidate timings in a single time slot, according to an embodiment of this disclosure. Figure 1B As shown, a time slot includes two candidate times for transmitting SL RPS, namely SL-PRS#0 and SL-PRS#1. Each candidate time slot corresponds to two available comb offsets for SL PRS transmission, namely comb offset #0 and comb offset #1. Comb offset #0 and comb offset #1 can be multiplexed by different UEs to transmit SL PRS.

[0125] In some embodiments, the sequence carried by the SL PRS can be generated based on the sequence number of the SL RPS. The sequence number can be obtained by the transmitting UE configuring the sequence number to the receiving UE via the LTE Positioning Protocol (LPP) or the Sidelink Positioning Protocol (SLPP), and the transmitting UE generating the SL PRS sequence based on the sequence number; or, if the transmitting UE does not configure the sequence number to the receiving UE, the sequence is generated based on the lower 12 bits of the Cyclic Redundancy Check (CRC) of the Physical Sidelink Control Channel (PSCCH).

[0126] This disclosed embodiment can be applied in NR SL-U, where the UE can perform multi-consecutive-slot (MCSt) transmission through resource selection. At the same time, by making the gap between two adjacent slots less than or equal to 16μs, other UEs cannot successfully access the channel through Listen Before Talk (LBT), thereby enabling the current UE to achieve continuous transmission and continuously occupy the channel obtained after successful channel access.

[0127] Figure 1C This is a schematic diagram illustrating multi-slot transmission according to embodiments of the present disclosure. For example... Figure 1C As shown, when a UE performs multi-consecutive-slot transmission, it needs to initiate a Channel Occupancy Time (COT), which includes four consecutive time slots. Each small rectangle in the figure represents a time slot. The UE can transmit SL PRS signals on these four consecutive time slots.

[0128] Figure 1D This is a schematic diagram illustrating a UE transmitting a channel occupancy signal on an empty physical direct feedback channel, according to an embodiment of this disclosure. Figure 1D As shown, for an initiated COT, which includes four consecutive time slots, RAN1 also needs to send some corresponding channels or signals to ensure channel occupancy for the timing of the earlier physical direct feedback channel in the COT. As shown in the figure, UE1 and UE2 send channel occupancy signals on the earlier physical direct feedback channels in different time slots.

[0129] Figure 1E This is a schematic diagram illustrating a channel loss caused by the first candidate opportunity within a time slot not being occupied by the UE, according to an embodiment of this disclosure. Figure 1E As shown, no other UE sends SL PRS at the earlier candidate time in the slot, which allows the UE to successfully access the channel before the PSCCH is sent. However, there is a gap between the PSCCH sending time and the SL PRS sending time, resulting in channel loss.

[0130] In related technologies, if no other UE sends SL PRS at the earlier candidate time slot within the time slot, even if the UE successfully accesses the channel before the PSCCH is sent, due to the gap between the PSCCH transmission time and the SL PRS transmission time, when the gap is greater than the duration threshold, other UEs can successfully access the channel through LBT (Listen Before Talk), resulting in the loss of COT.

[0131] Figure 2 This is one of the interactive schematic diagrams illustrating a resource determination method according to embodiments of this disclosure. For example... Figure 2 As shown, this disclosure relates to a resource determination method for a communication system 100, the method comprising:

[0132] In step S2101, terminal 101 determines the first candidate resource.

[0133] In some embodiments, terminal 101 sends an SL PRS to terminal 102 via a first candidate resource. The SL PRS carries, for example, a dedicated sequence configured by terminal 101 for terminal 102. Terminal 102 may be a terminal different from terminal 101, such as a terminal that communicates directly with terminal 101.

[0134] In some embodiments, terminal 101 determines candidate resources in the current time slot for transmitting the second SL PRS as first candidate resources. Specifically, the terminal can determine the first candidate resources according to the resource pool configuration for transmitting the second SL PRS, wherein the second SL PRS can carry a dedicated sequence configured by the first terminal for the second terminal, that is, the first terminal can continuously transmit the second SL PRS to the second terminal.

[0135] In some embodiments, the first candidate resource includes at least one candidate timing in the current time slot and the comb offset corresponding to the candidate timing.

[0136] In some embodiments, the second SL PRS carries a dedicated sequence configured by the first terminal for the second terminal. In some embodiments, the dedicated sequence may be configured by the first terminal via sidelink higher-layer signaling.

[0137] In some embodiments, the second SL PRS is used by terminal 101 for positioning.

[0138] In step S2102, terminal 101 determines the second candidate resource.

[0139] In some embodiments, terminal 101 sends an SL PRS to terminal 102 through a second candidate resource. The SL PRS may be, for example, a common SL PRS sequence configured through a resource pool, which is used by terminal 101 to occupy the channel.

[0140] In some embodiments, terminal 101 determines that there are multiple candidate resources in the resource pool of the current time slot, that is, there is a first candidate resource and other candidate resources besides the first candidate resource, wherein the first candidate resource is one or more candidate timings in the current time slot and the comb offset corresponding to one or more candidate timings.

[0141] In some embodiments, when terminal 101 is not configured to continuously transmit the second SL PRS, it determines the candidate timing before the candidate timing corresponding to the second SL PRS in the current time slot, and determines the candidate resource from the candidate timing before the candidate timing corresponding to the second SL PRS as the second candidate resource.

[0142] In some embodiments, when the terminal 101 is configured to continuously transmit the second SL PRS, it determines a candidate timing other than the candidate timing corresponding to the second SL PRS in the current time slot, and determines a candidate resource from the candidate timing other than the candidate timing corresponding to the second SL PRS as the second candidate resource.

[0143] In some embodiments, the second candidate resource includes a first candidate timing of the resource pool configuration and a first comb offset of the first candidate timing.

[0144] In some embodiments, the first comb offset may be the first comb offset in the first candidate timing by default, or it may be determined by the resource pool configuration.

[0145] In some embodiments, the resource pool includes a set of time-domain resources and frequency-domain resources determined by the terminal 101.

[0146] In some embodiments, if the priority of the second SL PRS is less than or equal to the first threshold or the terminal 101 configures the first parameter to the terminal 102, then the common sequence of the first SL PRS and the second candidate resource corresponding to the first SL PRS are not selected to send the dedicated sequence corresponding to the first parameter.

[0147] For example, when terminal 101 is not configured to continuously send the second SL PRS, there are 3 candidate opportunities in the current time slot. The candidate opportunity corresponding to the second SL PRS is the second candidate opportunity in the current time slot. The first candidate opportunity in the current time slot is not occupied by other terminals. In this case, the first candidate opportunity configured in the resource pool and the second comb offset of the first candidate opportunity are used as candidate resources for sending the first SL PRS, which is also the second candidate resource.

[0148] For example, when terminal 101 is configured to continuously send the second SL PRS, there are 3 candidate opportunities in the current time slot. The candidate opportunity corresponding to the second SL PRS is the second candidate opportunity in the current time slot. The first and third candidate opportunities in the current time slot are not occupied by other terminals. In this case, the first comb offset of the first candidate opportunity configured in the resource pool and the first comb offset of the third candidate opportunity are used as candidate resources for sending the first SL PRS, which is also the second candidate resource.

[0149] In step S2103, terminal 101 generates the first SL PRS.

[0150] In some embodiments, the sequence carried by the first SL PRS is generated according to the first parameter, wherein the first parameter is... It is the sequence number of the first SL PRS.

[0151] In some embodiments, the first parameter is determined by any of the following methods: pre-configuration of the resource pool; a preset CRC; or determination based on a preset bit of the first CRC, wherein the first CRC is the CRC corresponding to the preset PSCCH payload.

[0152] Optionally, the preset CRC can be a fixed 12-bit CRC; the first CRC can be a fixed PSCCH payload, such as an all-zero PSCCH payload, and the preset bits of the first CRC can be the lowest 12 bits. L = 12, p i It is the (i-1)th bit in a set of 12 bits, which is either 0 or 1; if fixed, it is a sequence of 12 0s.

[0153] In some embodiments, the first SL PRS is a common SL PRS sequence configured through a resource pool, which is used by terminal 101 to occupy the channel.

[0154] In step S2104, terminal 101 sends the first SL PRS and the second SL PRS.

[0155] In some embodiments, terminal 101 ensures that the interval between the first SL PRS and the previously transmitted signal / channel does not exceed a duration threshold; or, the interval between the second SL PRS and the previously transmitted signal / channel does not exceed a duration threshold. This disclosure embodiment may transmit a Cyclic Prefix Extended (CPE) corresponding to the first SL PRS between the first SL PRS and the previously transmitted signal / channel, or transmit a CPE corresponding to the second SL PRS between the second SL PRS and the previously transmitted signal / channel, for example:

[0156] When the interval between the first transmission time and the transmission time corresponding to the second candidate resource is greater than the duration threshold, the CPE corresponding to the first SL PRS is transmitted between the first transmission time and the transmission time corresponding to the second candidate resource; wherein, the first transmission time transmits the first signal or the first channel, the first signal being the first SL PRS or the second SL PRS, and the first channel being the PSCCH.

[0157] When the interval between the second transmission time and the transmission time corresponding to the first candidate resource is greater than the duration threshold, the CPE corresponding to the second SL PRS is transmitted between the second transmission time and the transmission time corresponding to the first candidate resource; wherein, the second transmission time transmits the second signal or the first channel, the second signal is the first SL PRS, and the first channel is the PSCCH.

[0158] In some embodiments, the duration threshold can be 16 microseconds, and this disclosure does not limit the specific value of the duration threshold.

[0159] In some embodiments, terminal 101 transmits a first SL PRS according to a first transmission power, wherein the first transmission power is determined according to any of the following methods:

[0160] The first quantity is determined based on the first quantity and the power obtained during the power control process of the first SL PRS. The first quantity is the number of second comb offsets reserved by the first terminal in the first candidate timing, and the second comb offset is the comb offset that serves as the resource corresponding to the first SL PRS; or

[0161] The power is determined based on the magnitude of the first comb-shaped offset and the power obtained during the power control process of the first SL PRS.

[0162] For example, in the first candidate timing, there are two comb offsets, namely comb offset #1 and comb offset #2. Comb offset #1 is reserved by terminal 102 as the comb offset for the resource corresponding to the first SL PRS, and comb offset #2 is reserved by terminal 103 as the comb offset for the resource corresponding to the first SL PRS. Therefore, whenever a reserved comb offset is detected as the comb offset for the candidate resource corresponding to the first SL PRS in the first candidate timing, the first SL PRS will receive a power reduction of a preset decibel during the power control process. For example, whenever a reserved comb offset is detected as the comb offset for the resource corresponding to the first SL PRS, the power received by the first SL PRS during the power control process will be reduced by 3 dB. It should be noted that the comb offsets reserved by different terminals in the first candidate timing can be the same comb offset or different comb offsets. This disclosure only limits the reserved comb offsets to belong to the same candidate timing, and does not limit whether the reserved comb offsets are the same.

[0163] For example: If the size of the comb offset #1 corresponding to the first SL PRS is N, and the power obtained by the first SL PRS during power control is P, then the number of comb offsets reserved in the first candidate timing as candidate resources corresponding to the first SL PRS is not detected. Instead, the power obtained by the first SL PRS during power control is directly reduced. For example, the power reduction can be performed using the following formula:

[0164] P seq =P-10log 10 N.

[0165] Among them, P seq It is the transmission power of the common sequence corresponding to the first SL PRS.

[0166] In some embodiments, terminal 101 sends a second SL PRS to terminal 102 through a first candidate resource and sends a first SL PRS through a second candidate resource.

[0167] The resource determination method involved in the embodiments of this disclosure may include at least one of steps S2101 to S2104. For example, step S2101 may be implemented as an independent embodiment, step S2102 may be implemented as an independent embodiment, and step S2104 may be implemented as an independent embodiment.

[0168] In some embodiments, steps 2101 to 2103 are optional, and one or more of these steps may be omitted or substituted in different embodiments.

[0169] In some embodiments, see Figure 2 Other optional implementation methods described before or after the corresponding instruction manual.

[0170] Figure 3 This is a flowchart illustrating a resource determination method according to embodiments of this disclosure. Figure 3 As shown, the embodiments of this disclosure relate to a resource determination method, which includes:

[0171] In step S3101, terminal 101 determines that there are other candidate resources besides the first candidate resource in the current time slot.

[0172] For optional implementations of step S3101, please refer to [link / reference]. Figure 2 Optional implementation methods of step S2101, and Figure 2 Other related parts in the embodiments involved will not be described in detail here.

[0173] In some embodiments, candidate resources for transmitting the second SL PRS in the current time slot are determined as first candidate resources. The first candidate resource includes at least one candidate timing in the current time slot and the comb offset corresponding to that candidate timing.

[0174] In some embodiments, the first candidate resource is the candidate resource for transmitting the second SLPRS after transmitting the PSCCH signal in the current time slot. The second SLPRS carries the sequence configured by the first terminal for the second terminal through sidelink higher-layer signaling.

[0175] In step S3102, terminal 101 determines a second candidate resource from other candidate resources.

[0176] Optional implementations of step S3102 can be found in [reference]. Figure 2 Optional implementation methods of step S2102, and Figure 2 Other related parts in the embodiments involved will not be described in detail here.

[0177] In some embodiments, when terminal 101 is not configured to continuously transmit the second SL PRS, it determines the candidate timing before the candidate timing corresponding to the second SL PRS in the current time slot, and determines the candidate resource from the candidate timing before the candidate timing corresponding to the second SL PRS as the second candidate resource.

[0178] In some embodiments, when the terminal 101 is configured to continuously transmit the second SL PRS, determine a candidate timing other than the candidate timing corresponding to the second SL PRS in the current time slot, and determine a candidate resource from the candidate timing other than the candidate timing corresponding to the second SL PRS as the second candidate resource.

[0179] In some embodiments, the second candidate resource includes a first candidate timing of the resource pool configuration and a first comb offset of the first candidate timing.

[0180] Optionally, the first comb offset can be the first comb offset in the first candidate timing by default; or it can be determined by the resource pool configuration instead of the default first comb offset.

[0181] In some embodiments, if the priority of the second SL PRS is less than or equal to the first threshold or the terminal 101 configures the first parameter to the terminal 102, then the common sequence of the first SL PRS and the second candidate resource corresponding to the first SL PRS are not selected to send the dedicated sequence carried by the second SL PRS.

[0182] In step S3103, terminal 101 sends a first SL PRS to the second candidate resource. The first SL PRS is a common sequence configured through the resource pool.

[0183] For optional implementations of step S3103, please refer to [link / reference]. Figure 2 Optional implementation methods of steps S2103 and S2104, and Figure 2 Other related parts in the embodiments involved will not be described in detail here.

[0184] In some embodiments, a sequence carried by a first SL PRS is generated according to a first parameter, wherein the first parameter is determined by any of the following methods: pre-configuration of a resource pool; a preset CRC; or determination based on a preset bit of a first CRC, wherein the first CRC is the CRC corresponding to a preset PSCCH payload.

[0185] Optionally, the preset CRC can be a fixed 12-bit CRC; the first CRC can be a fixed PSCCH payload, such as a PSCCH payload of all zeros, and the preset bits of the first CRC can be the lowest 12 bits.

[0186] In some embodiments, the first SL PRS is a public sequence configured through a resource pool, used by terminal 101 for channel occupation.

[0187] In some embodiments, the interval between the first transmission time and the transmission time corresponding to the second candidate resource is greater than a duration threshold, and the CPE corresponding to the first SL PRS is transmitted between the first transmission time and the transmission time corresponding to the second candidate resource; wherein, the first transmission time transmits a first signal or a first channel, the first signal being the first SL PRS or the second SL PRS, and the first channel being PSCCH.

[0188] In some embodiments, the interval between the second transmission time and the transmission time corresponding to the first candidate resource is greater than a duration threshold, and the CPE corresponding to the second SL PRS is transmitted between the second transmission time and the transmission time corresponding to the first candidate resource; wherein, the second transmission time transmits a second signal or a first channel, the second signal being the first SL PRS, and the first channel being the PSCCH.

[0189] For example, the duration threshold can be 16 microseconds, but this disclosure does not limit the specific value of the duration threshold.

[0190] In some embodiments, terminal 101 transmits a first SL PRS according to a first transmit power, wherein the first transmit power is determined according to any of the following methods: determined according to a first quantity and the power obtained during the power control process of the first SL PRS, wherein the first quantity is the number of second comb offsets reserved by the first terminal in the first candidate timing, and the second comb offset is a comb offset as a resource corresponding to the first SL PRS; or determined according to the magnitude of the first comb offset and the power obtained during the power control process of the first SL PRS.

[0191] In some embodiments, terminal 101 sends a second SL PRS to terminal 102 through a first candidate resource and sends a first SL PRS through a second candidate resource.

[0192] Figure 4 This is a second interactive schematic diagram illustrating a resource determination method according to an embodiment of this disclosure. For example... Figure 4 As shown, the embodiments of this disclosure relate to a resource determination method, which includes:

[0193] In step S4101, terminal 101 determines the first candidate resource for sending the second SL PRS.

[0194] For optional implementations of step S4101, please refer to [link / reference]. Figure 2 The optional implementation methods of steps S2101 and S3101, and Figure 2 , Figure 3Other related parts in the embodiments involved will not be described in detail here.

[0195] In some embodiments, terminal 101 generates a second SL PRS, which carries a sequence configured by the first terminal to the second terminal via sidelink higher-layer signaling.

[0196] In some embodiments, terminal 101 determines the candidate timing in the current time slot and the comb offset corresponding to the candidate timing as the candidate resource corresponding to the second SL PRS.

[0197] Optionally, multiple candidate times are supported within the current time slot. Different terminals can use different comb offsets within the candidate times for comb multiplexing. This can be understood as different terminals being able to send a second SL PRS using different comb offsets within the candidate times.

[0198] In some embodiments, the second SL PRS is used for the terminal's positioning function.

[0199] In step S4102, terminal 101 determines the second candidate resource.

[0200] For optional implementations of step S4102, please refer to [link / reference]. Figure 2 Optional implementation methods of steps S2102 and S3102, and Figure 2 , Figure 3 Other related parts in the embodiments involved will not be described in detail here.

[0201] In some embodiments, if the terminal 101 is not configured to continuously transmit the second SL PRS, it determines the candidate timing before the candidate timing corresponding to the second SL PRS in the current time slot, and determines the candidate resource from the candidate timing before the candidate timing corresponding to the second SL PRS as the second candidate resource.

[0202] In some embodiments, the terminal 101 is configured to continuously transmit the second SL PRS, determine a candidate timing other than the candidate timing corresponding to the second SL PRS in the current time slot, and determine a candidate resource from the candidate timing other than the candidate timing corresponding to the second SL PRS as the second candidate resource;

[0203] In some embodiments, the second candidate resource includes a first candidate timing of the resource pool configuration and a first comb offset of the first candidate timing.

[0204] Optionally, the first comb offset can be the first comb offset in the first candidate timing by default; or it can be determined by the resource pool configuration instead of the default first comb offset.

[0205] In step S4103, terminal 101 generates the first SL PRS.

[0206] For optional implementations of step S4103, please refer to [link / reference]. Figure 2 The optional implementation methods of steps S2103 and S3103, and Figure 2 , Figure 3 Other related parts in the embodiments involved will not be described in detail here.

[0207] In some embodiments, a sequence carried by a first SL PRS is generated according to a first parameter, wherein the first parameter is determined by any of the following methods: pre-configuration of a resource pool; a preset CRC; or determination based on a preset bit of a first CRC, wherein the first CRC is the CRC corresponding to a preset PSCCH payload.

[0208] Optionally, the preset CRC can be a fixed 12-bit CRC; the first CRC can be a fixed PSCCH payload, such as a PSCCH payload of all zeros, and the preset bits of the first CRC can be the lowest 12 bits.

[0209] In some embodiments, the first SL PRS is a public sequence configured through a resource pool, used by terminal 101 for channel occupation.

[0210] In step S4104, terminal 101 determines the CPE corresponding to the first SL PRS.

[0211] For optional implementations of step S4104, please refer to [link / reference]. Figure 2 Optional implementation methods for steps S2104 and S3103, and Figure 2 , Figure 3 Other related parts in the embodiments involved will not be described in detail here.

[0212] In some embodiments, the interval between the first transmission time and the transmission time corresponding to the second candidate resource is greater than a duration threshold, and the CPE corresponding to the first SL PRS is transmitted between the first transmission time and the transmission time corresponding to the second candidate resource; wherein, the first transmission time transmits a first signal or a first channel, the first signal being the first SL PRS or the second SL PRS, and the first channel being PSCCH.

[0213] For example, the duration threshold can be 16 microseconds, but this disclosure does not limit the specific value of the duration threshold.

[0214] In step S4105, terminal 101 determines the CPE corresponding to the second SL PRS.

[0215] For optional implementations of step S4105, please refer to [link / reference]. Figure 2 Optional implementation methods for steps S2104 and S3103, and Figure 2 , Figure 3 Other related parts in the embodiments involved will not be described in detail here.

[0216] In some embodiments, the interval between the second transmission time and the transmission time corresponding to the first candidate resource is greater than a duration threshold, and the CPE corresponding to the second SL PRS is transmitted between the second transmission time and the transmission time corresponding to the first candidate resource; wherein, the second transmission time transmits a second signal or a first channel, the second signal being the first SL PRS, and the first channel being the PSCCH.

[0217] For example, the duration threshold can be 16 microseconds, but this disclosure does not limit the specific value of the duration threshold.

[0218] In step S4106, terminal 101 determines the transmission power of the first SL PRS.

[0219] For optional implementations of step S4106, please refer to [link / reference]. Figure 2 Optional implementation methods for steps S2104 and S3103, and Figure 2 , Figure 3 Other related parts in the embodiments involved will not be described in detail here.

[0220] In some embodiments, terminal 101 transmits a first SL PRS according to a first transmit power, wherein the first transmit power is determined according to any of the following methods: determined according to a first quantity and the power obtained during the power control process of the first SL PRS, wherein the first quantity is the number of second comb offsets reserved by the first terminal in the first candidate timing, and the second comb offset is a comb offset as a resource corresponding to the first SL PRS; or determined according to the magnitude of the first comb offset and the power obtained during the power control process of the first SL PRS.

[0221] In step S4107, terminal 101 sends the first SL PRS and the second SL PRS.

[0222] For optional implementations of step S4107, please refer to [link / reference]. Figure 2 Optional implementation methods for steps S2104 and S3103, and Figure 2 , Figure 3 Other related parts in the embodiments involved will not be described in detail here.

[0223] In some embodiments, terminal 101 sends a second SL PRS to terminal 102 through a first candidate resource and sends a first SL PRS through a second candidate resource.

[0224] In step S4108, terminal 102 receives the first SL PRS and the second SL PRS.

[0225] In some embodiments, terminal 102 receives a second SL PRS sent by terminal 101 through a first candidate resource and a first SL PRS sent through a second candidate resource.

[0226] This disclosure also proposes an apparatus for implementing any of the above methods. For example, an apparatus is proposed that includes units or modules for implementing the steps performed by terminal 101 in any of the above methods. Furthermore, another apparatus is proposed that includes units or modules for implementing the steps performed by network devices (e.g., access network devices, core network functional nodes, core network devices, etc.) in any of the above methods.

[0227] It should be understood that the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device. The processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits. The functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.

[0228] In this embodiment, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable. For example, the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. Furthermore, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a Neural Network Processing Unit (NPU), a Tensor Processing Unit (TPU), or a Deep Learning Processing Unit (DPU).

[0229] Figure 5A This is a schematic diagram of transmitting the Common Positioning Reference Signal Sequence (SLPS) using a comb offset with candidate timings, as proposed in an embodiment of this disclosure. As shown in the figure, the current time slot includes two candidate timings, namely candidate timing #1 and candidate timing #2. Candidate timing #1 is used to transmit the Common Positioning Reference Signal Sequence, which is the first SLPS mentioned above in this disclosure. As can be seen from the figure, candidate timing #1 includes two comb offsets, wherein the shaded comb offset is used to transmit the first SLPS.

[0230] Figure 5B This is a schematic diagram illustrating the transmission of a common sequence of positioning reference signals on the bandwidth corresponding to the resource pool according to an embodiment of this disclosure. As shown in the figure, the bandwidth corresponding to the resource pool includes several resource blocks (RBs), and the small squares marked with shaded areas to the right of the arrows in the figure correspond to... Figure 5A The comb resource transmits a common sequence of positioning reference signals, where the common sequence of positioning reference signals is the first SL PRS mentioned above in this disclosure. This can be understood as... Figure 5BThe image shows the first SL PRS sent on the bandwidth corresponding to the entire resource pool.

[0231] Figure 5C This is a schematic diagram of transmitting a common sequence of positioning reference signals on the first PRB set according to an embodiment of this disclosure. As shown in the figure, the bandwidth corresponding to the resource pool includes several resource blocks (RBs). The left side of the arrow in the figure schematically selects two resource blocks as the first PRB set, and the small squares marked with shade on the right side of the arrow correspond to... Figure 5A The first SL PRS is a comb resource that transmits a common sequence of positioning reference signals (PRS) in the first PRB set. It should be noted that the first SL PRS transmitted on the first PRB set has a one-to-one bit correspondence with the first SL PRS transmitted on the bandwidth corresponding to the resource pool.

[0232] Figure 5D This is a schematic diagram of transmitting a common positioning reference signal sequence on the first RE set according to an embodiment of this disclosure. As shown in the figure, the bandwidth corresponding to the resource pool includes several resource blocks (RBs). Two resource blocks are schematically selected as the first PRB set on the left side of the arrow. The small shaded squares on the right side of the arrow represent several resource elements (REs) selected from the first PRB set as the first RE set. The first RE set includes a comb offset for transmitting the common positioning reference signal sequence, where the common positioning reference signal sequence is the first SL PRS mentioned above in this disclosure. It should be noted that the first SL PRS transmitted on the first RE set has a one-to-one bit correspondence with the first SL PRS transmitted on the bandwidth corresponding to the resource pool.

[0233] Figure 6A This is a schematic diagram of the structure of the terminal 101 proposed in an embodiment of this disclosure. Figure 6A As shown, terminal 101 may include a processing module 6101 and a sending module 6102.

[0234] In some embodiments, the processing module described above is configured to determine that there are other candidate resources besides the first candidate resource in the current time slot; and to determine a second candidate resource from the other candidate resources.

[0235] In some embodiments, the above-described sending module is configured to send a first-side link positioning reference signal (SL PRS) to the second candidate resource, wherein the first SL PRS is a common sequence configured through the resource pool.

[0236] The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal for the second terminal through the side link higher layer signaling.

[0237] Optionally, the above processing module is used to execute the communication steps such as sending and / or receiving performed by the terminal 101 in any of the above methods, such as steps S2101 to S2103, which will not be described in detail here.

[0238] Optionally, the above-mentioned sending module is used to perform other steps executed by terminal 101 in any of the above methods, such as step S2104, which will not be described in detail here.

[0239] Figure 6B This is a schematic diagram of the structure of the terminal 102 proposed in an embodiment of this disclosure. Figure 6B As shown, terminal 102 may include: receiving module 6201.

[0240] In some embodiments, the receiving module is used to receive the first SL PRS and the second SL PRS sent by the terminal 101.

[0241] Optionally, the above processing module is used to execute the communication steps such as sending and / or receiving performed by the terminal 102 in any of the above methods, such as step S4108, which will not be described in detail here.

[0242] Figure 7A This is a schematic diagram of the structure of the communication device 8100 proposed in this embodiment. The communication device 8100 can be a network device (e.g., access network device, core network device, etc.), an Internet of Things (IoT) device, a first device, a chip, chip system, or processor that supports network devices in implementing any of the above methods, or a chip, chip system, or processor that supports IoT devices in implementing any of the above methods. The communication device 8100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.

[0243] like Figure 7A As shown, the communication device 8100 includes one or more processors 8101. The processor 8101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data. Optionally, the communication device 8100 can be used to execute any of the above methods. Optionally, one or more processors 8101 can be used to invoke instructions to cause the communication device 8100 to execute any of the above methods.

[0244] In some embodiments, the communication device 8100 further includes one or more transceivers 8102. When the communication device 8100 includes one or more transceivers 8102, the transceiver 8102 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2104, but not limited thereto), and the processor 8101 performs at least one of other steps (e.g., steps S2101, S2102, and S2103, but not limited thereto). In optional embodiments, the transceiver may include a receiver and / or a transmitter, which may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, interface, etc., can be used interchangeably; the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc., can be used interchangeably; and the terms receiver, receiving unit, receiver, receiving circuit, etc., can be used interchangeably.

[0245] In some embodiments, the communication device 8100 further includes one or more memories 8103 for storing data. Optionally, all or part of the memories 8103 may be located outside the communication device 8100. In an optional embodiment, the communication device 8100 may include one or more interface circuits 8104. Optionally, the interface circuits 8104 are connected to the memories 8102, and the interface circuits 8104 can be used to receive data from the memories 8102 or other devices, and can be used to send data to the memories 8102 or other devices. For example, the interface circuits 8104 can read data stored in the memories 8102 and send the data to the processor 8101.

[0246] The communication device 8100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 8100 described in this disclosure is not limited thereto, and the structure of the communication device 8100 may vary. Figure 7A The limitations. Communication equipment can be a standalone device or part of a larger device. For example, communication equipment can be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally including storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.

[0247] Figure 7B This is a schematic diagram of the structure of chip 8200 according to an embodiment of this disclosure. For cases where the communication device 8100 can be a chip or a chip system, please refer to... Figure 7B The diagram shown is a schematic representation of the structure of chip 8200, but it is not limited to this.

[0248] Chip 8200 includes one or more processors 8201. Chip 8200 is used to perform any of the methods described above.

[0249] In some embodiments, chip 8200 further includes one or more interface circuits 8202. Optionally, terms such as interface circuit, interface, and transceiver pin can be used interchangeably. In some embodiments, chip 8200 further includes one or more memories 8203 for storing data. Optionally, all or part of the memories 8203 may be located outside of chip 8200. Optionally, interface circuit 8202 is connected to memory 8203, and interface circuit 8202 can be used to receive data from memory 8203 or other devices, and interface circuit 8202 can be used to send data to memory 8203 or other devices. For example, interface circuit 8202 can read data stored in memory 8203 and send the data to processor 8201.

[0250] In some embodiments, the interface circuit 8202 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2104, but not limited thereto). The interface circuit 8202 performing the communication steps such as sending and / or receiving in the above method refers, for example, to the interface circuit 8202 performing data interaction between the processor 8201, the chip 8200, the memory 8203, or the transceiver device. In some embodiments, the processor 8201 performs at least one of other steps (e.g., steps S2101, S2102, and S2103, but not limited thereto).

[0251] This disclosure also proposes a storage medium storing instructions that, when executed on a communication device 8100, cause the communication device 8100 to perform any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.

[0252] This disclosure also provides a program product that, when executed by the communication device 8100, causes the communication device 8100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0253] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.

Claims

1. A method for determining resources, characterized in that, Applied to a first terminal, the method includes: Determine if there are other candidate resources besides the first candidate resource in the current time slot; determine the second candidate resource from the other candidate resources; On the second candidate resource, a first side link positioning reference signal SL PRS is sent to the second terminal, wherein the first SL PRS is a common sequence configured through the resource pool; The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal to the second terminal through the side link higher layer signaling.

2. The method according to claim 1, characterized in that, The second candidate resource is any one of the following: The other candidate resources are those that precede the first candidate resource; or The second candidate resource is one of the other candidate resources.

3. The method according to claim 1 or 2, characterized in that, The second candidate resource includes at least one of the following: The first candidate for resource pool configuration; and The first comb offset of the first candidate timing in the resource pool configuration.

4. The method according to any one of claims 1-3, characterized in that, The transmission of the first SL PRS includes: Send the first SL PRS on the bandwidth corresponding to the resource pool; or The first SL PRS is transmitted in the first frequency domain resource of the bandwidth; The first frequency domain resource is: The first PRB set on the bandwidth, wherein the first SL PRS transmitted on the first PRB set has a one-to-one bit correspondence with the first SL PRS transmitted on the bandwidth; or... The first RE set on the bandwidth, wherein the first SL PRS transmitted on the first RE set has a one-to-one correspondence with the first SL PRS transmitted on the bandwidth.

5. The method according to any one of claims 1-4, characterized in that, The first SL PRS is generated based on the first SLPRS sequence number; The first SL PRS sequence number is determined in any of the following ways: Resource pools are pre-configured; Determined based on the preset Cyclic Redundancy Check (CRC) code; The first CRC is determined based on the preset bits of the first CRC, which is the CRC corresponding to the preset PSCCH payload.

6. The method according to claim 5, characterized in that, The resource pool includes the set of time-domain resources and frequency-domain resources determined by the first terminal.

7. The method according to any one of claims 1-5, characterized in that, Also includes: If the interval between the first transmission time and the transmission time corresponding to the second candidate resource is greater than the duration threshold, the cyclic prefix extension (CPE) corresponding to the first SL PRS is transmitted between the first transmission time and the transmission time corresponding to the second candidate resource. Wherein, the first transmission time is the time when the first signal or the first channel is transmitted, the first signal is the first SLPRS or the second SLPRS, and the first channel is the PSCCH.

8. The method according to claim 7, characterized in that, The CPE corresponding to the first SL PRS includes: the CPE transmitted within the current time slot before the transmission time corresponding to the second candidate resource.

9. The method according to any one of claims 1-5, characterized in that, Also includes: If the interval between the second transmission time and the transmission time corresponding to the first candidate resource is greater than the duration threshold, the CPE corresponding to the second SL PRS is transmitted between the second transmission time and the transmission time corresponding to the first candidate resource. Wherein, the second transmission time is the time when the second signal or the first channel is transmitted, the second signal is the first SLPRS, and the first channel is the PSCCH.

10. The method according to claim 9, characterized in that, The CPE corresponding to the second SL PRS includes: the CPE transmitted within the current time slot before the transmission time corresponding to the first candidate resource.

11. The method according to claim 3, characterized in that, The transmission of the first SL PRS includes: transmitting the first SL PRS according to the first transmission power; Wherein, the first transmission power is determined according to any of the following methods: The first quantity is determined based on the first quantity and the power obtained during the power control process of the first SL PRS. The first quantity is the number of second comb offsets reserved by the first terminal in the first candidate timing. The second comb offset is the comb offset of the candidate resource corresponding to the first SL PRS. The power is determined based on the magnitude of the first comb offset and the power obtained during the power control process of the first SL PRS.

12. A terminal, characterized in that, The terminal includes: The processing module is used to determine whether there are other candidate resources besides the first candidate resource in the current time slot; and to determine a second candidate resource from the other candidate resources. Transmission module: Transmits a first side-link positioning reference signal (SL PRS) on the second candidate resource, wherein the first SL PRS is a common sequence configured through the resource pool; The first candidate resource is the candidate resource for sending the second SL PRS after sending the Physical Direct Control Channel (PSCCH) signal in the current time slot. The second SL PRS carries the sequence configured by the first terminal to the second terminal through the side link higher layer signaling.

13. A terminal, characterized in that, include: One or more processors; The terminal is used to execute the resource determination method according to any one of claims 1 to 11.

14. A communication system, characterized in that, Includes a terminal; wherein the terminal is configured to implement the resource determination method according to any one of claims 1 to 11.

15. A storage medium storing instructions, characterized in that, When the instruction is executed on the communication device, the communication device performs the resource determination method as described in any one of claims 1 to 11.

Images