WO2023125422A1 - Resource selection method and apparatus, and terminal - Google Patents

Abstract

The present application relates to the technical field of communications, and discloses a resource selection method and apparatus, and a terminal. The resource selection method in the embodiments of the present application comprises: a first terminal determines resource parameters, the resource parameters being determined according to at least one of first parameters and second parameters (S201); and the first terminal excludes resources in a candidate resource set according to the resource parameters to obtain a first resource set, the first resource set being used for the first terminal to select resources (S202), wherein the first parameters are predefined or pre-configured or related to detection resources, and the second parameters are related to a first time window or the candidate resource set.

Description

Resource selection method, device and terminal

Cross References to Related Applications

This application claims priority to Chinese Patent Application No. 202111642730.8 filed in China on December 29, 2021, the entire contents of which are hereby incorporated by reference.

technical field

The present application belongs to the technical field of communications, and in particular relates to a resource selection method, device and terminal.

Background technique

In related protocols, the detection method of Periodic Based Partial Sensing (PBPS) is defined. In order for the user equipment (User Equipment, UE) to detect the resources that may be periodically reserved by other UEs in the resource pool, while reducing the energy consumption of UE detection, it supports only detecting the latest sensing occasion that can be selected before the candidate resource set ; and an additional sensing occasion can be configured, that is, the positions of the two closest sensing occasions before the candidate resource selection set are detected. However, based on the existing resource exclusion scheme, when the detection resource is located before the previous cycle (reception (RX) cycle) of the candidate resource set (for example: a position less than ty0-RX cycle, ty0 is the first in the candidate resource set resource), the resource exclusion scheme based on the detection result cannot be applied to the resource selection window, that is, the detection result cannot be used for resource exclusion, which makes the detection result invalid.

Contents of the invention

Embodiments of the present application provide a resource selection method, device, and terminal, which can solve the problem that the existing resource detection results cannot be applied to the resource selection window, thereby resulting in invalid resource detection results.

In the first aspect, a resource selection method is provided, including:

determining a resource parameter by the first terminal, where the resource parameter is determined according to at least one of the first parameter and the second parameter;

The first terminal excludes resources in the candidate resource set according to the resource parameters to obtain a first resource set, and the first resource set is used for the first terminal to perform resource selection;

Wherein, the first parameter is predefined or preconfigured or related to detection resources;

The second parameter is related to the first time window or the set of candidate resources.

In a second aspect, a resource selection device is provided, including:

A first determining module, configured to determine a resource parameter, where the resource parameter is determined according to at least one of the first parameter and the second parameter;

The second determination module is configured to exclude resources in the candidate resource set according to the resource parameters to obtain a first resource set, and the first resource set is used for resource selection by the first terminal;

Wherein, the first parameter is predefined or preconfigured or related to detection resources;

The second parameter is related to the first time window or the set of candidate resources.

In a third aspect, a terminal is provided, the terminal includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, the following The steps of the method in one aspect.

In a fourth aspect, a terminal is provided, including a processor and a communication interface, wherein the processor is configured to determine a resource parameter, and the resource parameter is determined according to at least one of the first parameter and the second parameter; according to The resource parameter excludes resources in the candidate resource set to obtain a first resource set, and the first resource set is used for resource selection by the first terminal; wherein, the first parameter is predefined or is Preconfigured or related to detection resources; the second parameter is related to the first time window or the set of candidate resources.

According to a fifth aspect, a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.

A sixth aspect 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, and implement the method as described in the first aspect .

In a seventh aspect, a computer program product is provided, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the steps of the resource selection method as described in the first aspect.

In this embodiment of the present application, the resource parameter is determined according to at least one of the first parameter and the second parameter, so that the first resource determined according to the resource parameter has a resource in the candidate resource set, and then based on the first Resources can exclude resources in the candidate resource set, so that the resource detection results based on resource parameters can be applied to the candidate resource set to achieve the purpose of resource exclusion, reduce the collision probability of resources in the candidate resource set, and improve system throughput.

Description of drawings

FIG. 1 shows a structural diagram of a communication system applicable to an embodiment of the present application;

FIG. 2 shows a schematic flowchart of a resource selection method in an embodiment of the present application;

FIG. 3 shows one of the schematic diagrams of locations of detection resources and candidate resource sets in the embodiment of the present application;

Fig. 4 shows the second schematic diagram of the locations of detection resources and candidate resource sets in the embodiment of the present application;

Fig. 5 shows the third schematic diagram of the locations of detection resources and candidate resource sets in the embodiment of the present application;

FIG. 6 shows the fourth schematic diagram of the locations of detection resources and candidate resource sets in the embodiment of the present application;

Fig. 7 shows the fifth schematic diagram of the locations of detection resources and candidate resource sets in the embodiment of the present application;

FIG. 8 shows the sixth schematic diagram of the locations of detection resources and candidate resource sets in the embodiment of the present application;

FIG. 9 shows a schematic module diagram of a resource selection device in an embodiment of the present application;

FIG. 10 shows a structural block diagram of a communication device in an embodiment of the present application;

FIG. 11 shows a structural block diagram of a terminal according to an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and "second" distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the description and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

It is worth noting that the technology described in the embodiment of this application is not limited to the Long Term Evolution (Long Term Evolution, LTE)/LTE-Advanced (LTE-Advanced, LTE-A) system, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency Division Multiple Access (Single-carrier Frequency Division Multiple Access, SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies. The following description describes the New Radio (New Radio, NR) system for example purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6th Generation , 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a network side device 12 . Wherein, the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer, TPC), a laptop computer (Laptop Computer, LC) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, Ultra-Mobile Personal Computer (UMPC), Mobile Internet Device (MID), Augmented Reality (AR)/Virtual Reality (VR) equipment, robots, wearable devices (Wearable Device, WD), vehicle equipment (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), games Terminal-side devices such as computer, personal computer (PC), teller machine or self-service machine. Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings) , smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The network side device 12 may include an access network device or a core network device, wherein the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or Wireless access network unit. The access network equipment may include a base station, a wireless local area network (Wireless Local Area Networks, WLAN) access point or a wireless fidelity (Wireless Fidelity, WiFi) node, etc., and the base station may be called a node B, an evolved node B (eNB), Access point, base transceiver station (Base Transceiver Station, BTS), radio base station, radio transceiver, basic service set (Basic Service Set, BSS), extended service set (Extended Service Set, ESS), home B node, home Evolved Node B, Transmission Reception Point (TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in this In the embodiments of the application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.

The resource selection method provided by the embodiment of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.

As shown in Figure 2, the embodiment of this application provides a resource selection method, including:

Step 201: the first terminal determines a resource parameter, where the resource parameter is determined according to at least one of the first parameter and the second parameter.

The above resource parameters include at least one of Q and q, wherein Q is related to the maximum number of excluded resources or Q is related to the maximum position of excluded resources, and q is related to the position of excluded resources. Q is used to determine the maximum value of q.

Wherein, the first parameter is preconfigured or related to a detection resource, and the detection resource may be a resource for detecting sidelink control information (Sidelink Control Information, SCI).

The detection resource may specifically be a detection resource set corresponding to at least one of a sensing window (sensing window) and a sensing occasion (sensing occasion). For example, the above-mentioned first parameter is related to the configuration of the detection window, and/or, the above-mentioned first parameter is related to the configuration of the detection opportunity; the above-mentioned detection opportunity may be a detection opportunity corresponding to PBPS or a continuous partial sensing (Continuous Partial Sensing, CPS ) corresponding detection opportunities. If it is a detection opportunity corresponding to PBPS, it may correspond to a Partial Sensing Occasion (PSO), for example, the detection opportunity includes an additional sensing occasion, and the additional sensing occasion includes two detection opportunities closest to the resource selection window or candidate resource set, That is, the most recent Partial Sensing Occasion (1 ^st PSO) and the second most recent Partial Sensing Occasion (2 ^nd PSO). Alternatively, the additional sensing occasion includes the two detection opportunities closest to the resource selection window or the set of candidate resources satisfying the processing time.

The second parameter is related to the first time window or the set of candidate resources.

The first time window is associated with at least one of the following:

The time domain range corresponding to the candidate resource set;

resource selection moment;

packet arrival time;

Predefined or preconfigured values.

The above resource parameters are parameters for resource exclusion.

Step 202: The first terminal excludes resources in the candidate resource set according to the resource parameter to obtain a first resource set, and the first resource set is used for resource selection by the first terminal.

Specifically, the first terminal determines the first resource according to the resource parameter, and excludes the first resource from the candidate resource set to obtain the first resource set.

It should be noted that, the first resource determined according to the resource parameter may be completely in the candidate resource set, and it only needs to exclude the first resource in this case. It is also possible that some of the first resources determined according to the resource parameters fall in the candidate resource set and some are outside the candidate resource set, then after excluding the resources falling in the candidate resource set from the candidate resource set, the remaining resources in the candidate resource set is the first resource set. It is also possible that if the target resource determined according to the resource parameters is outside the candidate resource set, the first resource in the candidate resource set after the target resource (that is, the resource closest to the target resource in the candidate resource set), or If the target resource determined according to the resource parameters is outside the resource pool, the first resource in the resource pool after the target resource is excluded (that is, the resource in the resource pool closest to the target resource).

Optionally, the candidate resource set can also be described as a resource selection window (Resource Selection Window, RSW).

In the embodiment of the present application, the resource parameter is determined according to at least one of the first parameter and the second parameter, so that the first resource determined according to the resource parameter has a resource in the candidate resource set, and then based on the first resource The resources in the candidate resource set can be excluded, so that the resource detection result based on resource parameters can be applied to the candidate resource set, the purpose of resource exclusion is realized, the collision probability of resources in the candidate resource set is reduced, and the system throughput is improved.

Optionally, the determining resource parameters by the first terminal includes:

If the first condition is met, the first terminal determines resource parameters;

Wherein, the first condition includes at least one of the following:

The first time interval is less than or equal to n1*T1;

The first time interval is greater than (n1-1)*T1;

The time interval between the resource start position (for example: ty0) corresponding to the candidate resource set and the detection resource is greater than T1, or the time interval between the optional start position (for example: n+T1) of the candidate resource set and the detection resource The time interval is greater than T1; the relevant protocol defines the parameter to determine the maximum value of the optional starting position of the resource, and the above optional starting position can be determined according to the UE implementation and the maximum value of the optional starting position of the resource. The starting position is located after the position determined according to the optional starting position of the resource.

The second period is less than the second time interval (Tscal);

Configure at least two detection resources, such as additional sensing occasion; or configure the parameters corresponding to at least two detection resources, such as configuring the additionalPeriodicSensingOccasion parameter; or configure one detection resource, such as configuring the most second recent sensing occasion;

Wherein, the first time interval is the time interval between the first moment n' and the second moment m, that is, the above-mentioned first condition includes n'-m≤n1*T1, and/or, n'-m>(n1- 1) *T1, the first moment is the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the first resource located in the resource pool after the resource selection time The corresponding time, or the time related to the defined processing time, the second time is the time when the secondary link control information is received or the time corresponding to the first detection resource, n1 is the first parameter, and n1 is greater than or equal to 1 , T1 is a period for determining detection resources;

The second period is a period determined according to the first period or the third period, and the third period is a period determined according to the indication of the SCI. For example, the SCI indicates a physical period parameter, and the third period may be the period determined for the physical period. The logical period after the period parameter is converted, and the third period may also be the period indicated by the SCI;

The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above. The minimum value of the parameter to determine the optional end position of the resource is defined in the relevant agreement. The above optional end position can be determined according to the UE implementation and the minimum value of the optional end position of the resource. before the end position.

That is to say, in this embodiment of the application, the first condition includes at least one of the following:

a) The value of n1 is related to the configuration of the detection window;

In the case of configuring at least two detection resources (such as additional sensing occasion is configured), n1=b+X-1, X represents the identification of the detection resources, b is the configured value or the value determined according to the detection resource parameters, For example: b=1, X=2, X=2 means the nearest second detection window, then n1=2;

In the case of configuring one detection resource, if the most recent sensing occasion is configured, then n1=b, for the most X recent sensing occasion, n1=b+X-1;

In the case where the detection resource is the default detection resource configuration, n1=b;

b) The value of n1 is related to the location of the detection resource;

The n1 value is related to the physical sensing occasion position parameter corresponding to the sensing occasion; for example, if the position of the detection opportunity is Rx, y–b*T1, then n1=b, and Rx, y is the resource in the resource selection window.

Optionally, when the configuration of the UE satisfies the following configuration, the condition that the second period is less than the second time interval is enabled, otherwise it is not enabled;

If the detection resource is the default detection resource configuration, the condition that the above-mentioned second period is less than the second time interval is enabled;

If the detection resources include at least two detection resources (such as additional sensing occasion), or configure the parameters corresponding to at least two detection resources (such as configuring the additionalPeriodicSensingOccasion parameter), or configure one detection resource (such as configuring the most second recent sensing occasion), then disable the condition that the second period is less than the second time interval, that is, the second period is greater than or equal to the second time interval.

It should be noted that the time interval in this embodiment of the present application is a physical time interval or a logical time interval, and the logical time interval represents the number of resources in the resource pool.

As a first optional implementation manner, the determining resource parameters by the first terminal includes:

From the first parameter, the second time interval and the third period, a resource parameter Q is determined, said Q being related to a maximum number of excluded resources or Q being related to a maximum position of excluded resources. For example, Q=2 indicates that the maximum number of excluded resources is 2, and may also indicate that the second resource with the largest resource position is excluded.

Here, the second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set identified with said first moment;

The third period is a period determined according to the indication of the SCI.

Optionally, the Q satisfies the following formula:

Q=ceil(Tscal/T3)+n2-1;

Wherein, Tscal represents the second time interval, T3 represents the third period, ceil represents rounding up, and n2 represents the first parameter.

Among them, n2 satisfies at least one of the following:

A predefined or preconfigured or configured value, for example, n2=2;

The value of n2 is related to the physical sensing occasion position parameter corresponding to the sensing occasion. For example, if the position of the additional sensing occasion is Rx,y–b*T1, then n2=b, and Rx,y is Resources in the resource selection window.

If the detection opportunity is the default sensing occasion, then n2=b

For the most recent sensing occasion, n2=b; for the most second recent sensing occasion, n2=b+1.

In a specific embodiment of this application, if the SCI is received at slot m, it is assumed that the same SCI format is received at slot m+q*T3, and the SCI received at slot m+q*T3 is equal to the resource R _{x , y+j*T3} (the first resource) overlap, then exclude the corresponding resource, j=0,1,...,Cresel-1. Among them, Cresel is a parameter configured by the upper layer. In this embodiment, q=1,2,...,Q; as shown in Figure 3, Figure 4 and Figure 5, Q is determined based on the following mode 1 or mode 2; wherein, T2≥Tscal in Figure 3, or, T1 ≥The length of the candidate resource set, the length of the PSO is the same as the length of the candidate resource set. In Fig. 4, T2<Tscal, or T1<length of the candidate resource set, the length of the ^2nd PSO is the same as the length of the candidate resource set, and the length of the ^1st PSO is smaller than the length of the candidate resource set. T1 and T3 in Fig. 5 are the same.

Mode 1: if n'-m≤n2*T1, then Q=ceil(Tscal/T3)+n2-1, otherwise, Q=n2;

Optionally, when additional sensing occasion is configured, use this method 1;

Method 2: If (n2-1)*T1<n'-m≤n2*T1, then Q=ceil(Tscal/T3)+n2-1, otherwise, Q=n2.

As a second optional implementation manner, the determining resource parameters by the first terminal includes:

From said second parameter and a resource parameter Q, a resource parameter q is determined, said Q being related to the maximum number of excluded resources or Q being related to a maximum position of excluded resources, said q being related to the position of excluded resources.

The resource parameter q satisfies the following formula:

q=A, A+1, ..., A+Q-1;

Wherein, A represents the second parameter, and the time corresponding to at least one of T4 and T5 is located within the first time window or within the time domain range corresponding to the candidate resource set, and Q is a positive integer;

T4 = second moment + A*T3;

T5=second moment+(A+Q-1)*T3.

Optionally, the first time window satisfies at least one of the following:

The first time window is a time domain range corresponding to the set of candidate resources;

The first time window is a time domain range corresponding to the second time interval;

The first time window is [T4, ty1], and T4 represents the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the first resource selection time after the data packet arrival time. The time corresponding to the resource in the resource pool, or the time related to the defined processing time, or the starting position of the candidate resource, or the starting position of the resource selection window, ty1 indicates the resource end position of the candidate resource set or the possible Select the end position;

The end position of the first time window is the end position of the resource corresponding to the candidate resource set;

The end position of the first time window is before the end position of the resource corresponding to the candidate resource set;

The starting position of the first time window is the resource selection time;

The starting position of the first time window is the arrival time of the data packet;

The starting position of the first time window is the starting position of the resource corresponding to the candidate resource set;

The starting position of the first time window is after the starting position of the resource corresponding to the candidate resource set.

In a specific embodiment of this application, if the SCI is received at slot m, it is assumed that the same SCI format is received at slot m+q*T3, and the SCI received at slot m+q*T3 is equal to the resource R _{x , y+j*T3} (the first resource) overlap, then exclude the corresponding resource, j=0,1,...,Cresel-1. In this embodiment, q=A, A+1, ..., A+Q-1, Q is determined by the following method 1 or method 2;

Mode 1: If T2<Tscal, and n’-m≤A*T1, Q=ceil(Tscal/T3), otherwise, Q=1;

Optionally, m+A*T3 is the first resource within the range of the selection window; or, m+q*T3 is the resource within the range of the selection window;

Optionally, A=1 for the most recent sensing occasion;

Optionally, A=2 for the most second recent sensing occasion.

Optionally, A=1 for default sensing occasion;

Optionally, for the additional sensing occasion, A=2, and the additional sensing occasion includes the above-mentioned 1 ^st PSO and 2 ^nd PSO.

Mode 2: if T2<Tscal, and (n2-1)*T1<n ^' -m≤n2*T1, Q=ceil(Tscal/T3), otherwise, Q=1;

Wherein, A=n2.

As a third optional implementation manner, the first terminal determining resource parameters includes:

Based on a third time interval, determining a resource parameter Q related to a maximum number of excluded resources or Q to a maximum location of excluded resources;

Wherein, the third time interval (Tscal') satisfies at least one of the following:

Tscal'=ty1-n'+(n3-1)*T;

Tscal'=ty1-n';

Tscal'=ty1-n'+T;

Tscal'=n3*T;

Among them, ty1 represents the resource end position of the candidate resource set or the optional end position of the candidate resource set, n ^' represents the first moment, the value of T is the same as the first cycle, the second cycle or the third cycle, and n3 represents the first parameter ;

The first moment is the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the time corresponding to the first resource located in the resource pool after the resource selection time, or An instant relative to a defined processing time, or the start of a candidate resource, or the start of a resource selection window.

Specifically, in the case of (n3-1)*T1<n'-m<n3* (sensing occasion corresponding to the first cycle), Tscal'=ty1-n'+(n3-1)*T, where , the sensing occasion corresponding to the first period indicates the position of the detection resource determined according to the first period.

For the nearest detection opportunity, Tscal'=ty1-n';

For the second closest detection opportunity, Tscal'=ty1-n'+T.

In a specific embodiment of this application, if the SCI is received at slot m, it is assumed that the same SCI format is received at slot m+q*T3, and the SCI received at slot m+q*T3 is equal to the resource R _{x , y+j*T3} (the first resource) overlap, then exclude the corresponding resource, j=0,1,...,Cresel-1. In this embodiment, q=1,2,...,Q; as shown in Figure 6, Figure 7 and Figure 8, Q is determined based on the following method; wherein, T2 in Figure 6 is less than the length of the candidate resource set, 2 ^nd PSO The length of PSO is the same as the length of the candidate resource set, and the length of 1 ^st PSO is smaller than the length of the candidate resource set; in Figure 7, the length of the PSO is the same as the length of the candidate resource set. In Fig. 8, T3<T1, Tscal'=2T1.

If (n3-1)*T1<n’-m≤n3*T1, Q=ceil(Tscal’/T3), otherwise, Q=n3;

Wherein, Tscal'=Tscal+(n3-1)*T3, as shown in Figure 4, Tscal is the time interval between the end time of the resource selection window and the resource selection time n', or, Tscal is the size of the resource selection window.

In the above three optional implementation modes, at least two detection resources are configured (such as additional sensing occasion is configured), or parameters corresponding to at least two detection resources are configured (such as additionalPeriodicSensingOccasion parameter is configured), or, configured In the case of a detection resource (for example, the most second recent sensing occasion is configured), the first parameter = b+X-1, X represents the identification of the detection resource, b is the configured value or the value determined according to the detection resource parameters , the detection resource parameter is used to determine the detection resource, optionally, the detection resource parameter is used to indicate at least one of the location and quantity of the detection resource; for example, the set corresponding to the value of the detection resource parameter is {1,2}, then b can be 1; here, X indicates which detection opportunity the detection opportunity is, for example, X=2 indicates the second detection opportunity closest to the resource selection window or candidate resource set,

Or, in the case where one detection resource is configured or the detection resource is configured as a default detection resource, the first parameter=b;

Or, the first parameter=(R1-R2)/T1, wherein, R1 represents the time domain position corresponding to the resource in the candidate resource set, and R2 represents the time domain position corresponding to the detection opportunity;

Or, the first parameter=the maximum value of the detection resource parameter; for example, if the set corresponding to the value of the detection resource parameter is {2,3}, then the first parameter is 3;

Alternatively, the value set of the first parameter is the same as the value set of the detection resource parameter, for example, the value set of the detection parameter is {2,3}, then the value set of the first parameter is {2,3};

Alternatively, the first parameter is related to the location parameter of the physical detection opportunity corresponding to the detection opportunity. For example, if the location of the detection opportunity is Rx, y–b*T1, the first parameter is b, and Rx, y is the resource in the resource selection window .

In addition, the above-mentioned values of n1, n2 and n3 may be the same or different.

Optionally, the determining resource parameters by the first terminal includes:

When the second condition is met, the first terminal determines the resource parameter;

Wherein, the second condition includes at least one of the following:

At least two detection resources are configured, for example, additional sensing occasion is configured;

Enable or monitor at least two detection resources;

The partial sensing mechanism is configured;

Enable or execute part of the detection mechanism;

The first time interval is greater than T1, and T1 is a period for determining detection resources.

Optionally, in the embodiment of the present application, in the resource exclusion step 6c) of the TS 38.214 protocol, if Q=1, resource exclusion is performed according to at least one of the following.

(1) The excluded Q resources are within the scope of the second window;

Optionally, the Q resources are determined according to the period/configured Preserve indicated in the SCI. Preserve is the detection resource period configured by the upper layer.

Wherein, the second window satisfies at least one of the following:

It is the physical time range of resource seletcion window;

It is a resource in the resource selection window and located in the resource pool (resource pool);

According to (1), if the resource slot s corresponding to Q is located outside the scope of the resource pool, the first resource located in the resource pool after the slot s is excluded.

The method for determining resource exclusion according to the detection configuration of the UE meets at least one of the following, and the above method can be used:

If the UE is configured with additional sensing occasion, the above method can be used;

If the UE is configured with partial sensing, the above method can be used;

If the UE existence detection window satisfies n'-m>Prsvp_rx, the above method can be used.

In the embodiment of the present application, it is possible to determine Q first, and then determine whether the above second condition is satisfied, and if so, determine q according to the above second optional implementation manner, and perform resource exclusion based on the determined q. For example, if the SCI is received at slot m, it is assumed that the same SCI format is received at slot m+q*T3, and the SCI received at slot m+q*T3 is consistent with resource R _x,y+j*T3 (th - resources) overlap, then exclude the corresponding resources, q=1, 2, . . . , Q, and j=0, 1, . . . , Cresel-1. If T2<Tscal, and n'-m≤T3' or n'-m≤T1', Q=ceil(Tscal/T3), for example, determine Q=1, and then based on the determined Q and the above-mentioned second An optional implementation determines q. Wherein, T3' is a parameter after converting T3 into a logical time slot, and T1' is a parameter after converting T1 into a logical time slot.

Optionally, the first terminal excludes resources in the candidate resource set according to the resource parameters to obtain the first resource set, including:

The first terminal determines a first resource according to the resource parameter;

If the first resource is outside the resource pool, excluding the first resource after the first resource that is in the resource pool, or if the first resource is outside the candidate resource set, excluding the first resource Then the first resource in the set of candidate resources.

Specifically, the location of the first resource is determined according to the above resource parameter q, and resource exclusion is performed based on the location of the first resource.

In addition, in the embodiment of this application, if any of the previous n1 (n2 or n3) cycles does not reserve the resources of this cycle, the resources of this cycle can be re-evaluated (re-evaluation) or pre-empted (pre-emption) ); or, when n1 (n2 or n3) is greater than 1, re-evaluation or pre-emption is not performed on the periodically reserved resources. The cycle here can be the first cycle, the second cycle or the third cycle.

In the embodiment of the present application, the above-mentioned third cycle satisfies at least one of the following:

The third period is a subset of the first period;

The third period is the value in the PeriodicSensingOccasionReservePeriodList;

The third period is the first period value corresponding to the partial sensing occasion.

In the embodiment of the present application, the resource parameter is determined according to at least one of the first parameter and the second parameter, so that the first resource determined according to the resource parameter has a resource in the candidate resource set, and then based on the first resource The resources in the candidate resource set can be excluded, so that the resource detection result based on resource parameters can be applied to the candidate resource set, the purpose of resource exclusion is realized, the collision probability of resources in the candidate resource set is reduced, and the system throughput is improved.

The resource selection method provided in the embodiment of the present application may be executed by a resource selection device. In this embodiment of the present application, the method for resource selection performed by the resource selection device is taken as an example to describe the resource selection device provided in the embodiment of the present application.

As shown in Figure 9, the embodiment of the present application also provides a resource selection device 500, including:

The first determining module 501 is configured to determine a resource parameter, where the resource parameter is determined according to at least one of the first parameter and the second parameter;

The second determination module 502 is configured to exclude resources in the candidate resource set according to the resource parameters to obtain a first resource set, and the first resource set is used for resource selection by the first terminal;

Wherein, the first parameter is predefined or preconfigured or related to detection resources;

The second parameter is related to the first time window or the set of candidate resources.

Optionally, the first determining module is configured to determine resource parameters when the first condition is met;

Wherein, the first condition includes at least one of the following:

The first time interval is less than or equal to n1*T1;

The first time interval is greater than (n1-1)*T1;

The time interval between the starting position of the resource corresponding to the candidate resource set and the detection resource is greater than T1, or the time interval between the optional starting position of the candidate resource set and the detection resource is greater than T1;

the second period is less than the second time interval;

Configure at least two detection resources, or configure parameters corresponding to at least two detection resources, or configure one detection resource;

Wherein, the first time interval is the time interval between the first moment and the second moment, and the first moment is the arrival time of the data packet or the resource selection time, or the resource corresponding to the first resource located in the resource pool after the arrival time of the data packet The second time is the time when the secondary link control information SCI is received or the time corresponding to the first detected resource , n1 is the first parameter, n1 is greater than or equal to 1, and T1 is a period for determining detection resources;

The second period is a period determined according to the first period or a third period, and the third period is a period determined according to an indication of the SCI;

The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above.

Optionally, the first determining module is configured to determine a resource parameter Q according to the first parameter, the second time interval and the third period, and the Q is related to the maximum number of excluded resources or Q is related to the maximum number of excluded resources. location dependent;

The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above;

The third period is a period determined according to the indication of the SCI.

Optionally, the Q satisfies the following formula:

Q=ceil(Tscal/T3)+n2-1;

Wherein, Tscal represents the second time interval, T3 represents the third period, ceil represents rounding up, and n2 represents the first parameter.

Optionally, the first determination module is configured to determine a resource parameter q according to the second parameter and a resource parameter Q, where the Q is related to the maximum number of excluded resources or Q is related to the maximum position of the excluded resources, The q is relative to the location of the excluded resource.

Optionally, the resource parameter q satisfies the following formula:

q=A, A+1, ..., A+Q-1;

Wherein, A represents the second parameter, and the time corresponding to at least one of T4 and T5 is located within the first time window or within the time domain range corresponding to the candidate resource set;

T4 = second moment + A*T3;

T5=second moment+(A+Q-1)*T3.

Optionally, the first time window satisfies at least one of the following:

The first time window is a time domain range corresponding to the set of candidate resources;

The first time window is a time domain range corresponding to the second time interval;

The first time window is [T4, ty1], and T4 represents the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the first resource selection time after the data packet arrival time. The time corresponding to the resource in the resource pool, or the time related to the defined processing time, or the starting position of the candidate resource, or the starting position of the resource selection window, ty1 indicates the resource end position of the candidate resource set or the possible Select the end position;

The end position of the first time window is the end position of the resource corresponding to the candidate resource set;

The end position of the first time window is before the end position of the resource corresponding to the candidate resource set;

The starting position of the first time window is the resource selection time;

The starting position of the first time window is the arrival time of the data packet;

The starting position of the first time window is the starting position of the resource corresponding to the candidate resource set;

The starting position of the first time window is after the starting position of the resource corresponding to the candidate resource set.

Optionally, the first determining module is configured to determine a resource parameter Q according to a third time interval, where Q is related to the maximum number of excluded resources or Q is related to the maximum position of excluded resources;

Wherein, the third time interval Tscal satisfies at least one of the following:

Tscal=ty1-n'+(n3-1)*T;

Tscal = ty1-n';

Tscal=ty1-n'+T;

Tscal=n3*T;

Tscal=ty0-n'+n3*T;

Tscal=ty0-n'+T; wherein, ty1 represents the resource end position of the candidate resource set or the optional end position of the candidate resource set, n' represents the first moment, and ty0 represents the resource start position of the candidate resource set or the candidate resource The optional starting position of the collection, the value of T is the same as the first period, the second period or the third period, and n3 represents the first parameter;

The first moment is the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the time corresponding to the first resource located in the resource pool after the resource selection time, or An instant relative to a defined processing time, or the start of a candidate resource, or the start of a resource selection window.

Optionally, in the case of configuring at least two detection resources, the first parameter=b+X-1, X represents the identification of the detection resource, b is a configured value or a value determined according to the detection resource parameters, and the The detection resource parameter is used to determine the detection resource;

Or, in the case where one detection resource is configured or the detection resource is configured as a default detection resource, the first parameter=b;

Or, the first parameter=(R1-R2)/T1, wherein, R1 represents the time domain position corresponding to the resource in the candidate resource set, and R2 represents the time domain position corresponding to the detection opportunity;

Or, the first parameter=the maximum value of the detection resource parameter;

Alternatively, the value set of the first parameter is the same as the value set of the detection resource parameter.

Optionally, the first determining module is configured to determine the resource parameter when a second condition is met;

Wherein, the second condition includes at least one of the following:

Configured at least two detection resources;

Enable or monitor at least two detection resources;

The partial sensing mechanism is configured;

Enable or execute part of the detection mechanism;

The first time interval is greater than T1, and T1 is a period for determining detection resources.

Optionally, the second determination module includes:

a determining submodule, configured for the first terminal to determine a first resource according to the resource parameter;

The exclusion submodule is configured to exclude the first resource in the resource pool after the first resource if the first resource is outside the resource pool, or, if the first resource is outside the candidate resource set, then Excluding the first resource in the candidate resource set after the first resource.

The device in the embodiment of the present application determines the resource parameter according to at least one of the first parameter and the second parameter, so that the first resource determined according to the resource parameter has a resource in the candidate resource set, and then based on the first Resources can exclude resources in the candidate resource set, so that the resource detection results based on resource parameters can be applied to the candidate resource set to achieve the purpose of resource exclusion, reduce the collision probability of resources in the candidate resource set, and improve system throughput.

The resource selection apparatus in this embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in the electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal, or other devices other than the terminal. Exemplarily, the terminal may include, but not limited to, the types of terminal 11 listed above, and other devices may be servers, Network Attached Storage (NAS), etc., which are not specifically limited in this embodiment of the present application.

The resource selection device provided by the embodiment of the present application can realize each process realized by the method embodiments in FIG. 2 to FIG. 8 and achieve the same technical effect. To avoid repetition, details are not repeated here.

Optionally, as shown in FIG. 10 , this embodiment of the present application also provides a communication device 600, including a processor 601 and a memory 602, and the memory 602 stores programs or instructions that can run on the processor 601, such as , when the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, each step of the above resource selection method embodiment can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.

The embodiment of the present application also provides a terminal, including a processor and a communication interface, the processor is used to determine a resource parameter, and the resource parameter is determined according to at least one of the first parameter and the second parameter; according to the The resource parameter excludes resources in the candidate resource set to obtain a first resource set, and the first resource set is used for resource selection by the first terminal;

Wherein, the first parameter is predefined or preconfigured or related to detection resources;

The second parameter is related to the first time window or the set of candidate resources.

This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 11 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.

The terminal 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710. At least some parts.

Those skilled in the art can understand that the terminal 700 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 710 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions. The terminal structure shown in FIG. 11 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.

It should be understood that, in this embodiment of the present application, the input unit 704 may include a graphics processing unit (Graphics Processing Unit, GPU) 7041 and a microphone 7042, and the graphics processor 7041 is used by the image capture device ( Such as the image data of the still picture or video obtained by the camera) for processing. The display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes at least one of a touch panel 7071 and other input devices 7072 . The touch panel 7071 is also called a touch screen. The touch panel 7071 may include two parts, a touch detection device and a touch controller. Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be described in detail here.

In the embodiment of the present application, the radio frequency unit 701 may transmit the downlink data from the network side device to the processor 710 for processing after receiving the downlink data; in addition, the radio frequency unit 701 may send uplink data to the network side device. Generally, the radio frequency unit 701 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 709 can be used to store software programs or instructions as well as various data. The memory 709 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playing function, image playback function, etc.), etc. Furthermore, memory 709 may include volatile memory or nonvolatile memory, or, memory 709 may include both volatile and nonvolatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM). The memory 709 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

The processor 710 may include one or more processing units; optionally, the processor 710 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to the operating system, user interface, and application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 710 .

Optionally, the processor 710 is configured to determine resource parameters, the resource parameters are determined according to at least one of the first parameter and the second parameter; Excluding, obtaining a first resource set, the first resource set is used for resource selection by the first terminal;

Wherein, the first parameter is predefined or preconfigured or related to detection resources;

The second parameter is related to the first time window or the set of candidate resources.

Optionally, the processor 710 is configured to, if the first condition is met, the first terminal determine a resource parameter;

Wherein, the first condition includes at least one of the following:

The first time interval is less than or equal to n1*T1;

The first time interval is greater than (n1-1)*T1;

The time interval between the starting position of the resource corresponding to the candidate resource set and the detection resource is greater than T1, or the time interval between the optional starting position of the candidate resource set and the detection resource is greater than T1;

the second period is less than the second time interval;

Configure at least two detection resources, or configure parameters corresponding to at least two detection resources, or configure one detection resource;

Wherein, the first time interval is the time interval between the first moment and the second moment, and the first moment is the arrival time of the data packet or the resource selection time, or the resource corresponding to the first resource located in the resource pool after the arrival time of the data packet The second time is the time when the secondary link control information SCI is received or the time corresponding to the first detected resource , n1 is the first parameter, n1 is greater than or equal to 1, and T1 is a period for determining detection resources;

The second period is a period determined according to the first period or a third period, and the third period is a period determined according to an indication of the SCI;

The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above.

Optionally, the first period (corresponding to T1 in the embodiment of the present application) is a partial detection period parameter (for example: periodicSensingOccasionReservePeriodList) configured by a high-level layer or a resource optional period parameter (for example: sl-ResourceReservePeriodList) configured by a high-level layer Sure. It can be the configured value, or the logical period value corresponding to the configured period value.

Optionally, the second period (corresponding to T2 in the embodiment of the present application) is a partial detection period parameter (for example: periodicSensingOccasionReservePeriodList) configured by a high-level layer or a resource optional period parameter (for example: sl-ResourceReservePeriodList) configured by a high-level layer Sure. It can be the configured value, or the logical period value corresponding to the configured period value.

Optionally, the third period (corresponding to T3 in the embodiment of the present application) is a partial detection period parameter (for example: periodicSensingOccasionReservePeriodList) configured by a high-level layer or a resource optional period parameter (for example: sl-ResourceReservePeriodList) configured by a high-level layer Sure. It can be the configured value, or the logical period value corresponding to the configured period value.

Optionally, the processor 710 is configured to determine a resource parameter Q according to the first parameter, the second time interval and the third period, where the Q is related to the maximum number of excluded resources or Q is related to the maximum number of excluded resources. location dependent;

The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above;

The third period is a period determined according to the indication of the SCI.

Optionally, the Q satisfies the following formula:

Q=ceil(Tscal/T3)+n2-1;

Wherein, Tscal represents the second time interval, T3 represents the third period, ceil represents rounding up, and n2 represents the first parameter.

Optionally, the processor 710 is configured to determine a resource parameter q according to the second parameter and a resource parameter Q, where the Q is related to the maximum number of excluded resources or Q is related to the maximum position of the excluded resources, The q is relative to the location of the excluded resource.

Optionally, the resource parameter q satisfies the following formula:

q=A, A+1, ..., A+Q-1;

Wherein, A represents the second parameter, and the time corresponding to at least one of T4 and T5 is located within the first time window or within the time domain range corresponding to the candidate resource set;

T4 = second moment + A*T3;

T5=second moment+(A+Q-1)*T3.

Optionally, the first time window satisfies at least one of the following:

The first time window is a time domain range corresponding to the set of candidate resources;

The first time window is a time domain range corresponding to the second time interval;

The first time window is [T4, ty1], and T4 represents the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the first resource selection time after the data packet arrival time. The time corresponding to the resource in the resource pool, or the time related to the defined processing time, or the starting position of the candidate resource, or the starting position of the resource selection window, ty1 indicates the resource end position of the candidate resource set or the possible Select the end position;

The end position of the first time window is the end position of the resource corresponding to the candidate resource set;

The end position of the first time window is before the end position of the resource corresponding to the candidate resource set;

The starting position of the first time window is the resource selection time;

The starting position of the first time window is the arrival time of the data packet;

The starting position of the first time window is the starting position of the resource corresponding to the candidate resource set;

The starting position of the first time window is after the starting position of the resource corresponding to the candidate resource set.

Optionally, the processor 710 is configured to determine a resource parameter Q according to a third time interval, where the Q is related to the maximum number of excluded resources or Q is related to the maximum position of the excluded resources;

Wherein, the third time interval Tscal satisfies at least one of the following:

Tscal=ty1-n'+(n3-1)*T;

Tscal = ty1-n';

Tscal=ty1-n'+T;

Tscal=n3*T;

Tscal=ty0-n'+n3*T;

Tscal=ty0-n'+T; wherein, ty1 represents the resource end position of the candidate resource set or the optional end position of the candidate resource set, n' represents the first moment, and ty0 represents the resource start position of the candidate resource set or the candidate resource The optional starting position of the collection, the value of T is the same as the first period, the second period or the third period, and n3 represents the first parameter;

The first moment is the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the time corresponding to the first resource located in the resource pool after the resource selection time, or An instant relative to a defined processing time, or the start of a candidate resource, or the start of a resource selection window.

Optionally, in the case of configuring at least two detection resources, the first parameter=b+X-1, X represents the identification of the detection resource, b is a configured value or a value determined according to the detection resource parameters, and the The detection resource parameter is used to determine the detection resource;

Or, in the case where one detection resource is configured or the detection resource is configured as a default detection resource, the first parameter=b;

Or, the first parameter=(R1-R2)/T1, wherein, R1 represents the time domain position corresponding to the resource in the candidate resource set, and R2 represents the time domain position corresponding to the detection opportunity;

Or, the first parameter=the maximum value of the detection resource parameter;

Alternatively, the value set of the first parameter is the same as the value set of the detection resource parameter.

Optionally, the processor 710 is configured to determine the resource parameter when the second condition is met;

Wherein, the second condition includes at least one of the following:

Configured at least two detection resources;

Enable or monitor at least two detection resources;

The partial sensing mechanism is configured;

Enable or execute part of the detection mechanism;

The first time interval is greater than T1, and T1 is a period for determining detection resources.

Optionally, the processor 710 is configured for the first terminal to determine a first resource according to the resource parameter; if the first resource is outside the resource pool, excluding the first resource after the first resource resources in the resource pool, or, if the first resource is outside the candidate resource set, excluding the first resource after the first resource that is in the candidate resource set.

In the embodiment of the present application, the resource parameter is determined according to at least one of the first parameter and the second parameter, so that the first resource determined according to the resource parameter has a resource in the candidate resource set, and then based on the first resource The resources in the candidate resource set can be excluded, so that the resource detection result based on resource parameters can be applied to the candidate resource set, the purpose of resource exclusion is realized, the collision probability of resources in the candidate resource set is reduced, and the system throughput is improved.

The embodiment of the present application also provides a readable storage medium. The readable storage medium stores programs or instructions. When the program or instructions are executed by the processor, the various processes in the above resource selection method embodiments can be realized, and the same To avoid repetition, the technical effects will not be repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiments. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.

The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above resource selection method embodiment Each process can achieve the same technical effect, so in order to avoid repetition, it will not be repeated here.

It should be understood that the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.

The embodiment of the present application further provides a computer program product, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the processes in the resource selection method embodiment above, and can To achieve the same technical effect, in order to avoid repetition, no more details are given here.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims (24)

1. A resource selection method comprising:

   determining a resource parameter by the first terminal, where the resource parameter is determined according to at least one of the first parameter and the second parameter;

   The first terminal excludes resources in the candidate resource set according to the resource parameter to obtain a first resource set, and the first resource set is used for resource selection by the first terminal;

   Wherein, the first parameter is predefined or preconfigured or related to detection resources;

   The second parameter is related to the first time window or the set of candidate resources.
2. The method according to claim 1, wherein the determining resource parameters by the first terminal comprises:

   If the first condition is met, the first terminal determines resource parameters;

   Wherein, the first condition includes at least one of the following:

   The first time interval is less than or equal to n1*T1;

   The first time interval is greater than (n1-1)*T1;

   The time interval between the starting position of the resource corresponding to the candidate resource set and the detection resource is greater than T1, or the time interval between the optional starting position of the candidate resource set and the detection resource is greater than T1;

   the second period is less than the second time interval;

   Configure at least two detection resources, or configure parameters corresponding to at least two detection resources, or configure one detection resource;

   Wherein, the first time interval is the time interval between the first moment and the second moment, and the first moment is the arrival time of the data packet or the resource selection time, or the resource corresponding to the first resource located in the resource pool after the arrival time of the data packet The second time is the time when the secondary link control information SCI is received or the time corresponding to the first detected resource , n1 is the first parameter, n1 is greater than or equal to 1, and T1 is a period for determining detection resources;

   The second period is a period determined according to the first period or the third period, and the third period is a period determined according to the indication of the SCI;

   The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above.
3. The method according to claim 1, wherein the determining resource parameters by the first terminal comprises:

   Based on the first parameter, the second time interval and the third period, determining a resource parameter Q, the Q being related to the maximum number of excluded resources or Q being related to the maximum position of the excluded resources;

   The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above;

   The third period is a period determined according to the indication of the SCI.
4. The method according to claim 3, wherein said Q satisfies the following formula:

   Q=ceil(Tscal/T3)+n2-1;

   Wherein, Tscal represents the second time interval, T3 represents the third period, ceil represents rounding up, and n2 represents the first parameter.
5. The method according to claim 1, wherein the determining resource parameters by the first terminal comprises:

   From said second parameter and a resource parameter Q, a resource parameter q is determined, said Q being related to the maximum number of excluded resources or Q being related to a maximum position of excluded resources, said q being related to the position of excluded resources.
6. The method according to claim 5, wherein the resource parameter q satisfies the following formula:

   q=A, A+1, ..., A+Q-1;

   Wherein, A represents the second parameter, and the time corresponding to at least one of T4 and T5 is located within the first time window or within the time domain range corresponding to the candidate resource set;

   T4 = second moment + A*T3;

   T5=second moment+(A+Q-1)*T3.
7. The method according to claim 6, wherein the first time window satisfies at least one of the following:

   The first time window is a time domain range corresponding to the candidate resource set;

   The first time window is a time domain range corresponding to the second time interval;

   The first time window is [T4, ty1], and T4 represents the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the first resource selection time after the data packet arrival time. The time corresponding to the resource in the resource pool, or the time related to the defined processing time, or the starting position of the candidate resource, or the starting position of the resource selection window, ty1 indicates the resource end position of the candidate resource set or the possible Select the end position;

   The end position of the first time window is the end position of the resource corresponding to the candidate resource set;

   The end position of the first time window is before the end position of the resource corresponding to the candidate resource set;

   The starting position of the first time window is the resource selection time;

   The starting position of the first time window is the arrival time of the data packet;

   The starting position of the first time window is the starting position of the resource corresponding to the candidate resource set;

   The starting position of the first time window is after the starting position of the resource corresponding to the candidate resource set.
8. The method according to claim 1, wherein the determining resource parameters by the first terminal comprises:

   Based on a third time interval, determining a resource parameter Q related to a maximum number of excluded resources or Q to a maximum location of excluded resources;

   Wherein, the third time interval Tscal satisfies at least one of the following:

   Tscal=ty1-n'+(n3-1)*T;

   Tscal = ty1-n';

   Tscal=ty1-n'+T;

   Tscal=n3*T;

   Tscal=ty0-n'+n3*T;

   Tscal=ty0-n'+T;

   Among them, ty1 represents the resource end position of the candidate resource set or the optional end position of the candidate resource set, n' represents the first moment, ty0 represents the resource start position of the candidate resource set or the optional start position of the candidate resource set, T The value of is the same as the first period, the second period or the third period, and n3 represents the first parameter;

   The first moment is the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the time corresponding to the first resource located in the resource pool after the resource selection time, or An instant relative to a defined processing time, or the start of a candidate resource, or the start of a resource selection window.
9. The method according to claim 2, 3 or 8, wherein, in the case of configuring at least two detection resources, the first parameter = b+X-1, X represents the identification of the detection resources, and b is the configured value Or according to the value determined by the detection resource parameter, the detection resource parameter is used to determine the detection resource;

   Or, in the case where one detection resource is configured or the detection resource is configured as a default detection resource, the first parameter=b;

   Or, the first parameter=(R1-R2)/T1, wherein, R1 represents the time domain position corresponding to the resource in the candidate resource set, and R2 represents the time domain position corresponding to the detection opportunity;

   Or, the first parameter=the maximum value of the detection resource parameter;

   Alternatively, the value set of the first parameter is the same as the value set of the detection resource parameter.
10. The method according to claim 1, wherein the determining resource parameters by the first terminal comprises:

    When the second condition is met, the first terminal determines the resource parameter;

    Wherein, the second condition includes at least one of the following:

    Configured at least two detection resources;

    Enable or monitor at least two detection resources;

    The partial sensing mechanism is configured;

    Enable or execute part of the detection mechanism;

    The first time interval is greater than T1, and T1 is a period for determining detection resources.
11. The method according to claim 1, wherein the first terminal excludes resources in the candidate resource set according to the resource parameters to obtain the first resource set, comprising:

    The first terminal determines a first resource according to the resource parameter;

    If the first resource is outside the resource pool, excluding the first resource after the first resource that is in the resource pool, or if the first resource is outside the candidate resource set, excluding the first resource Then the first resource in the set of candidate resources.
12. A resource selection device, comprising:

    A first determining module, configured to determine a resource parameter, where the resource parameter is determined according to at least one of the first parameter and the second parameter;

    The second determining module is configured to exclude resources in the candidate resource set according to the resource parameters to obtain a first resource set, and the first resource set is used for resource selection by the first terminal;

    Wherein, the first parameter is predefined or preconfigured or related to detection resources;

    The second parameter is related to the first time window or the set of candidate resources.
13. The device according to claim 12, wherein the first determining module is configured to determine resource parameters when a first condition is met;

    Wherein, the first condition includes at least one of the following:

    The first time interval is less than or equal to n1*T1;

    The first time interval is greater than (n1-1)*T1;

    The time interval between the starting position of the resource corresponding to the candidate resource set and the detection resource is greater than T1, or the time interval between the optional starting position of the candidate resource set and the detection resource is greater than T1;

    the second period is less than the second time interval;

    Configure at least two detection resources, or configure parameters corresponding to at least two detection resources, or configure one detection resource;

    Wherein, the first time interval is the time interval between the first moment and the second moment, and the first moment is the arrival time of the data packet or the resource selection time, or the resource corresponding to the first resource located in the resource pool after the arrival time of the data packet The second time is the time when the secondary link control information SCI is received or the time corresponding to the first detected resource , n1 is the first parameter, n1 is greater than or equal to 1, and T1 is a period for determining detection resources;

    The second period is a period determined according to the first period or a third period, and the third period is a period determined according to an indication of the SCI;

    The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the determined at the first moment mentioned above.
14. The apparatus according to claim 12, wherein the first determination module is configured to determine a resource parameter Q according to the first parameter, the second time interval and the third cycle, the Q being related to the maximum number of excluded resources or Q is related to the maximum position of excluded resources;

    The second time interval is a value predefined or configured by the protocol, or determined according to the resource end position corresponding to the candidate resource set and the first moment, or according to the optional end position of the candidate resource set and the specified time interval. determined at the first moment mentioned above;

    The third period is a period determined according to the indication of the SCI.
15. The device according to claim 14, wherein the Q satisfies the following formula:

    Q=ceil(Tscal/T3)+n2-1;

    Wherein, Tscal represents the second time interval, T3 represents the third period, ceil represents rounding up, and n2 represents the first parameter.
16. The apparatus according to claim 12, wherein the first determination module is configured to determine a resource parameter q according to the second parameter and a resource parameter Q, the Q is related to the maximum number of excluded resources or Q is related to the excluded resources The maximum position of the resource of q is related to the position of the excluded resource.
17. The device according to claim 16, wherein the resource parameter q satisfies the following formula:

    q=A, A+1, ..., A+Q-1;

    Wherein, A represents the second parameter, and the time corresponding to at least one of T4 and T5 is located within the first time window or within the time domain range corresponding to the candidate resource set;

    T4 = second moment + A*T3;

    T5=second moment+(A+Q-1)*T3.
18. The device according to claim 17, wherein the first time window satisfies at least one of the following:

    The first time window is a time domain range corresponding to the set of candidate resources;

    The first time window is a time domain range corresponding to the second time interval;

    The first time window is [T4, ty1], and T4 represents the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the data packet arrival time or the first resource selection time after the data packet arrival time. The time corresponding to the resource in the resource pool, or the time related to the defined processing time, or the starting position of the candidate resource, or the starting position of the resource selection window, ty1 indicates the resource end position of the candidate resource set or the possible Select the end position;

    The end position of the first time window is the end position of the resource corresponding to the candidate resource set;

    The end position of the first time window is before the end position of the resource corresponding to the candidate resource set;

    The starting position of the first time window is the resource selection time;

    The starting position of the first time window is the arrival time of the data packet;

    The starting position of the first time window is the starting position of the resource corresponding to the candidate resource set;

    The starting position of the first time window is after the starting position of the resource corresponding to the candidate resource set.
19. The apparatus according to claim 12, wherein the first determination module is configured to determine a resource parameter Q according to a third time interval, the Q is related to the maximum number of excluded resources or Q is related to the maximum position of the excluded resources ;

    Wherein, the third time interval Tscal satisfies at least one of the following:

    Tscal=ty1-n'+(n3-1)*T;

    Tscal = ty1-n';

    Tscal=ty1-n'+T;

    Tscal=n3*T;

    Tscal=ty0-n'+n3*T;

    Tscal=ty0-n'+T; wherein, ty1 represents the resource end position of the candidate resource set or the optional end position of the candidate resource set, n' represents the first moment, and ty0 represents the resource start position of the candidate resource set or the candidate resource The optional starting position of the collection, the value of T is the same as the first period, the second period or the third period, and n3 represents the first parameter;

    The first moment is the arrival time of the data packet or the resource selection time, or the time corresponding to the first resource located in the resource pool after the arrival time of the data packet or the time corresponding to the first resource located in the resource pool after the resource selection time, or An instant relative to a defined processing time, or the start of a candidate resource, or the start of a resource selection window.
20. The device according to claim 13, 14 or 19, wherein, in the case of configuring at least two detection resources, the first parameter = b+X-1, X represents the identification of the detection resources, and b is the configured value Or according to the value determined by the detection resource parameter, the detection resource parameter is used to determine the detection resource;

    Or, in the case where one detection resource is configured or the detection resource is configured as a default detection resource, the first parameter=b;

    Or, the first parameter=(R1-R2)/T1, wherein, R1 represents the time domain position corresponding to the resource in the candidate resource set, and R2 represents the time domain position corresponding to the detection opportunity;

    Or, the first parameter=the maximum value of the detection resource parameter;

    Alternatively, the value set of the first parameter is the same as the value set of the detection resource parameter.
21. The apparatus according to claim 12, wherein the first determining module is configured to determine the resource parameter when a second condition is satisfied;

    Wherein, the second condition includes at least one of the following:

    Configured at least two detection resources;

    Enable or monitor at least two detection resources;

    The partial sensing mechanism is configured;

    Enable or execute part of the detection mechanism;

    The first time interval is greater than T1, and T1 is a period for determining detection resources.
22. The device according to claim 12, wherein the second determining module comprises:

    a determining submodule, configured for the first terminal to determine a first resource according to the resource parameter;

    The exclusion submodule is configured to exclude the first resource in the resource pool after the first resource if the first resource is outside the resource pool, or, if the first resource is outside the candidate resource set, then Excluding the first resource in the candidate resource set after the first resource.
23. A terminal, comprising a processor and a memory, wherein the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, any one of claims 1 to 11 is implemented. The steps of the resource selection method described in the item.
24. A readable storage medium, storing programs or instructions on the readable storage medium, wherein the steps of the resource selection method according to any one of claims 1 to 11 are implemented when the programs or instructions are executed by a processor.

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