Partial sensing methods and devices for direct link resources

Abstract

A method and apparatus for partial sensing of direct-link resources are disclosed. The method includes: a terminal determining at least one set of partial sensing configuration parameters from at least two different sets of partial sensing configuration parameters; the terminal using the at least one set of partial sensing configuration parameters to perform partial sensing. This invention supports configuration parameters for different partial sensing operations, improving the flexibility of partial sensing operations.

Description

Technical Field

[0001] This invention relates to the field of mobile communication technology, and more specifically to a method and device for partially sensing direct link resources. Background Technology

[0002] In the 5G New Radio (NR) intelligent connected vehicle (V2X) system, terminals communicate using a sidelink. The existing standard supports two resource allocation modes for scheduling the time and frequency resources used for data communication. The first is Mode 1, where the base station uniformly schedules the time and frequency resources required for terminal communication. The second is Mode 2, where the terminal autonomously selects the time and frequency resources required for communication without the participation of a base station.

[0003] In the Mode 2 resource allocation mode, since there is no unified scheduling by the base station, the terminal / user equipment (UE) can determine the resource occupancy of other UEs through the resource awareness mechanism and select resources based on the resource awareness results, thereby reducing the probability of collisions and enhancing transmission robustness.

[0004] In the 4G LTE V2X standard, partial sensing mechanisms are supported to address power usage effectiveness (PUE) energy-saving requirements. Terminals can intermittently perform sensing operations to achieve power savings. Currently, partial sensing technology is only used in LTE, where PUE is assessed based on energy-saving requirements. The NR V2X standard does not yet support partial sensing. Furthermore, the current NR standard only supports continuous sensing and lacks a PUE-specific energy-saving sensing mechanism. LTE's partial sensing operations only consider periodic transmissions, lack a re-evaluation mechanism, and only one configuration option exists for a single service transmission, making flexible configuration based on the impact of periodic and non-periodic transmissions impossible. Summary of the Invention

[0005] At least one embodiment of the present invention provides a partial sensing method and device for direct link resources, which can support different configuration parameters for partial sensing operations and improve the flexibility of partial sensing operations.

[0006] According to one aspect of the present invention, at least one embodiment provides a partial awareness method for through-link resources, comprising:

[0007] The terminal determines at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters;

[0008] The terminal uses the at least one set of partial sensing configuration parameters to perform partial sensing.

[0009] Optionally, each set of partial sensing configuration parameters may have different sensing densities.

[0010] Optionally, each set of partial sensing configuration parameters includes the following parameters: minimum number of candidate resources and bit sequence of candidate sensing interval.

[0011] Optionally, after performing partial sensing using the at least one set of partial sensing configuration parameters, the method further includes:

[0012] Based on the perception results obtained from partial perception, the data is initially transmitted and / or retransmitted.

[0013] Optionally, the at least one set of partial perception configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The terminal uses the at least one set of partial perception configuration parameters for partial perception, including:

[0014] When the terminal is in the DRX on duration active state (discontinuous DRX reception), it uses the first set of configuration parameters for partial sensing; and when it is in the DRX inactive duration state (DRX inactive state), it uses the second set of configuration parameters for partial sensing.

[0015] Optionally, when the terminal is in the DRX on duration active state (discontinuous DRX reception), it uses the first set of configuration parameters for partial sensing; and when it is in the DRX inactive duration state (DRX inactive period), it uses the second set of configuration parameters for partial sensing. Specifically:

[0016] During the period from the start of perception to the resource selection time, when the terminal is in DRX onduration, it uses the first set of configuration parameters for partial perception; and when it is in DRX inactiveduration, it uses the second set of configuration parameters for partial perception.

[0017] or,

[0018] During the period from the start of perception to the initial data transmission, when the terminal is in DRX onduration, it uses the first set of configuration parameters for partial perception; and when it is in DRX inactiveduration, it uses the second set of configuration parameters for partial perception.

[0019] or,

[0020] During the period from the start of perception to the last data retransmission, when the terminal is in the DRX on duration, it uses the first set of configuration parameters for partial perception; and when it is in the DRX inactive duration, it uses the second set of configuration parameters for partial perception.

[0021] Optionally, the at least one set of partial perception configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The terminal uses the at least one set of partial perception configuration parameters for partial perception, including:

[0022] During the period from the start of sensing to the initial data transmission, the terminal uses the first set of configuration parameters and the second set of configuration parameters to perform partial sensing.

[0023] Optionally, during the period from the start of sensing to the initial data transmission, the terminal uses the first set of configuration parameters and the second set of configuration parameters for partial sensing, specifically:

[0024] The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the resource selection time, and performs partial sensing using the second set of configuration parameters from the resource selection time to the initial data transmission time.

[0025] or,

[0026] The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the first moment, and performs partial sensing using the second set of configuration parameters from the first moment to the initial data transmission moment, wherein the first moment is before the initial data transmission moment and is spaced apart by a first preset time f1.

[0027] Optionally, the at least one set of partial perception configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The terminal uses the at least one set of partial perception configuration parameters for partial perception, including:

[0028] During the period from the start of sensing to the data retransmission time, the terminal uses the first set of configuration parameters and the second set of configuration parameters to perform partial sensing.

[0029] Optionally, the terminal performs partial sensing using the first set of configuration parameters and the second set of configuration parameters during the period from the start of sensing to the data retransmission time, specifically:

[0030] The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the resource selection time, and performs partial sensing using the second set of configuration parameters from the resource selection time to the data retransmission time.

[0031] or,

[0032] The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the second time, and performs partial sensing using the second set of configuration parameters from the second time to the last data retransmission time, wherein the second time is before the initial data transmission time and is spaced apart from the initial data transmission time by a second preset time interval f2.

[0033] Optionally, the at least one set of partial sensing configuration parameters includes only the first set of configuration parameters or the second set of configuration parameters, and the terminal uses the at least one set of partial sensing configuration parameters for partial sensing, including:

[0034] During the period from the start of sensing to the initial data transmission, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing.

[0035] Optionally, during the period from the start of sensing to the initial data transmission, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing, specifically:

[0036] The terminal performs partial sensing using the first set of configuration parameters during the period from the start of sensing to the resource selection time, and continues to perform partial sensing using the first set of configuration parameters during the period from the resource selection time to the initial data transmission time.

[0037] or,

[0038] The terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continues to use the second set of configuration parameters for partial sensing from the resource selection time to the initial data transmission time.

[0039] or,

[0040] The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the third time, and continues to perform partial sensing using the first set of configuration parameters from the third time to the initial data transmission time. The third time is before the initial data transmission time, and there is a third preset time interval f3 between the third time and the initial data transmission time.

[0041] or,

[0042] The terminal performs partial sensing using the second set of configuration parameters from the start of sensing to the third time, and continues to perform partial sensing using the second set of configuration parameters from the third time to the initial data transmission time. The third time is located before the initial data transmission time, and there is a third preset time interval f3 between the third time and the initial data transmission time.

[0043] Optionally, the at least one set of partial sensing configuration parameters includes only the first set of configuration parameters or the second set of configuration parameters, and the terminal uses the at least one set of partial sensing configuration parameters for partial sensing, including:

[0044] During the period from the start of sensing to the data retransmission time, the terminal uses either the first set of configuration parameters or the second set of configuration parameters to perform partial sensing.

[0045] Optionally, during the period from the start of sensing to the data retransmission time, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing, specifically:

[0046] The terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continues to use the first set of configuration parameters for partial sensing from the resource selection time to the last data retransmission time.

[0047] or,

[0048] The terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continues to use the second set of configuration parameters for partial sensing from the resource selection time to the last data retransmission time.

[0049] or,

[0050] The terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the fourth moment, and continues to use the first set of configuration parameters for partial sensing from the fourth moment to the last data retransmission moment, wherein the fourth moment is before the initial data transmission moment, and the interval between the fourth moment and the initial data transmission moment is a fourth preset time f4.

[0051] or,

[0052] The terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the fourth time, and continues to use the second set of configuration parameters for partial sensing from the fourth time to the last data retransmission time. The fourth time is before the initial data transmission time and is spaced apart from the initial data transmission time by a fourth preset time interval f4.

[0053] Optionally, the perception density of the first set of configuration parameters is lower than that of the second set of configuration parameters.

[0054] According to another aspect of the present invention, at least one embodiment provides a terminal including a memory, a transceiver, and a processor, wherein,

[0055] The memory is used to store computer programs;

[0056] The transceiver is used to send and receive data under the control of the processor;

[0057] The processor is configured to read the computer program in the memory and perform the following operations:

[0058] Determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters;

[0059] Partial sensing is performed using at least one set of partial sensing configuration parameters.

[0060] Optionally, each set of partial sensing configuration parameters may have different sensing densities.

[0061] Optionally, the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, and the processor is configured to read the computer program in the memory and perform the following operations:

[0062] When the terminal is in the DRX on duration active state (discontinuous DRX reception), the first set of configuration parameters is used for partial sensing; and when the terminal is in the DRX inactive duration state (DRX inactive state), the second set of configuration parameters is used for partial sensing.

[0063] Optionally, the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, and the processor is configured to read the computer program in the memory and perform the following operations:

[0064] During the period from the start of perception to the initial data transmission, partial perception is performed using the first set of configuration parameters and the second set of configuration parameters.

[0065] Optionally, the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, and the processor is configured to read the computer program in the memory and perform the following operations:

[0066] During the period from the start of sensing to the data retransmission time, partial sensing is performed using the first set of configuration parameters and the second set of configuration parameters.

[0067] Optionally, the at least one set of partially perceptual configuration parameters may include only the first set of configuration parameters or the second set of configuration parameters, and the processor is configured to read the computer program in the memory and perform the following operations:

[0068] During the period from the start of perception to the initial data transmission, partial perception is performed using either the first set of configuration parameters or the second set of configuration parameters.

[0069] Optionally, the at least one set of partially perceptual configuration parameters may include only the first set of configuration parameters or the second set of configuration parameters, and the processor is configured to read the computer program in the memory and perform the following operations:

[0070] During the period from the start of sensing to the time of data retransmission, partial sensing is performed using either the first set of configuration parameters or the second set of configuration parameters.

[0071] According to another aspect of the present invention, at least one embodiment provides a terminal comprising:

[0072] The determining unit is used to determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters;

[0073] A sensing unit is used to perform partial sensing using the at least one set of partial sensing configuration parameters.

[0074] According to another aspect of the present invention, at least one embodiment provides a processor-readable storage medium storing a computer program for causing the processor to perform the method described above.

[0075] Compared with existing technologies, the partial sensing method and device for direct-link resources provided in this invention can configure multiple sets of partial sensing configuration parameters for a single transmission resource pool. This allows the terminal to use different configuration parameters for partial sensing operations over a subsequent period, depending on the varying impact of periodic and aperiodic transmissions on resource selection reliability. For example, during periods of monitoring periodic transmissions, a first set of partial sensing configuration parameters is used for low-density partial sensing operations to ensure energy efficiency; during periods of monitoring aperiodic transmissions, a second set of partial sensing configuration parameters is used for short-duration, high-density partial sensing operations to ensure the reliability of the sensing results and reduce transmission collisions. Furthermore, when using DRX for power saving, this invention can use two sets of configuration parameters for partial sensing, achieving power saving while also appropriately reducing resource collisions. Attached Figure Description

[0076] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0077] Figure 1 A schematic diagram illustrating partial sensing in existing technology;

[0078] Figure 2 A schematic diagram of the reassessment of resource allocation for existing technologies;

[0079] Figure 3 This is a flowchart illustrating a partial sensing method for through-link resources according to an embodiment of the present invention.

[0080] Figures 4-14 Several example diagrams of partial sensing provided for embodiments of the present invention;

[0081] Figure 15 A schematic diagram of a terminal provided in an embodiment of the present invention;

[0082] Figure 16 This is another structural schematic diagram of the terminal provided in an embodiment of the present invention. Detailed Implementation

[0083] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0084] The terms “first,” “second,” etc., used in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms “comprising” and “having,” and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus. The terms “and / or” in the specification and claims indicate at least one of the connected objects.

[0085] The technologies described in this document are not limited to NR systems and Long Time Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in various wireless communication systems such as 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 (SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably. CDMA systems can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA). UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants. TDMA systems can implement radio technologies such as the Global System for Mobile Communication (GSM). OFDMA systems can implement radio technologies such as Ultra Mobile Broadband (UMB), Evolution-UTRA (E-UTRA), IEEE 802.21 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, and Flash-OFDM. UTRA and E-UTRA are part of the Universal Mobile Telecommunications System (UMTS). LTE and more advanced versions of LTE (such as LTE-A) are newer UMTS versions using E-UTRA. UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization called the 3rd Generation Partnership Project (3GPP). CDMA2000 and UMB are described in documents from an organization called 3rd Generation Partnership Project 2 (3GPP2).The techniques described herein can be used with the systems and radio technologies mentioned above, as well as with other systems and radio technologies. However, the following description describes NR systems for illustrative purposes, and NR terminology is used in most of the following description, although these techniques can also be applied to applications beyond NR systems.

[0086] The following description provides examples and is not intended to limit the scope, applicability, or configuration set forth in the claims. Changes may be made to the function and arrangement of the elements discussed without departing from the spirit and scope of this disclosure. Various procedures or components may be appropriately omitted, substituted, or added to the examples. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Furthermore, features described with reference to certain examples may be combined in other examples.

[0087] To aid in understanding this invention, some concepts that may be involved in this invention are briefly explained below:

[0088] Partial sensing: The basic principle of partial sensing is that the terminal periodically senses a pre-selected set of resources, and finally selects available resources from the set. Specifically, the terminal itself determines a candidate reserved resource set consisting of at least Y subframes, and the physical layer determines the sensing period P. step The higher layer configures a candidate sensing interval sequence for the physical layer, which is a 10-bit sequence consisting of 0s and 1s, with each bit corresponding to a sensing cycle. When the value of the bit in the sequence is 1, the terminal is at a distance k×P from the candidate reservation resource set. step The system senses the current position of the sequence and eliminates unusable resources, ultimately selecting a usable subframe from Y subframes, where k is the index value corresponding to the current bit of the sequence. Figure 1 A schematic diagram of partial sensing is given, in which rectangles filled with small dots indicate the sensing period corresponding to the bit with a value of 1 in the sequence, while dashed rectangles indicate the sensing period corresponding to the bit with a value of 0 in the sequence.

[0089] In sidelink communication, LTE only includes periodic transmission. The resource pool is configured with two variables: the resource reservation interval and the sensing period. The terminal obtains the transmission period by multiplying the two variables and uses the sensing period as a variable for partial sensing. NR includes both periodic and aperiodic transmission. The resource pool is configured with the variable of the resource reservation period. The current standard only supports continuous sensing, so there is no variable for the sensing period. The terminal uses the resource reservation period to periodically send initial retransmissions of services. When the terminal performs aperiodic transmission, it does not use this variable and only performs an initial retransmission operation once.

[0090] In the existing NR standard, the mode 2 resource allocation re-evaluation mechanism is that the terminal, at time m-T3 (m is the initial transmission time of the resource, and T3 is the transmission processing delay), uses the continuous sensing results between time n and time m when the service arrives and the resource is selected to determine whether there are any other terminals transmitting reserved resources that will collide with the resources selected at time n. The collided resources are excluded, and a new resource is selected. Figure 2 A schematic diagram of the re-evaluation is provided.

[0091] The existing Discontinue Reception (DRX) mechanism in NR is mainly designed to reduce the listening time of the Physical Downlink Control Channel (PDCCH) to save power. Its main operation is to receive the PDCCH during the active state (DRX onduration) and not receive it during the inactive state (DRX inactive duration). Sidelink may introduce DRX into its power-saving mechanism in future versions.

[0092] As mentioned above, the existing NR standard only performs a re-evaluation operation before the initial transmission, and does not perform a re-evaluation operation before the retransmission. The re-evaluation part uses the results obtained through continuous sensing. If some sensing operations in the LTE standard are applied to the sensing part of the re-evaluation operation in the NR standard for energy saving purposes, the reliability of sensing for non-periodic transmission may be reduced.

[0093] Currently, the NR V2X standard does not support partial sensing. If a partial sensing mechanism is introduced into an NR V2X system for energy saving purposes, and a similar configuration to LTE is used—that is, a set of partial sensing configuration parameters is configured for each transmission resource pool—the terminal will use the same partial sensing configuration during one or more service transmissions. However, the impact of periodic and aperiodic transmissions on resource selection reliability differs at different times. Before a transmission cycle triggering resource selection, periodic transmissions from other terminals can be effectively sensed, and the sensing density configured for energy saving can be lower. Within a transmission cycle before and after resource selection triggering, before the initial service transmission, resource selection may be affected by aperiodic retransmissions from other terminals. If sensing is performed using the same low-density sensing configuration as before, the number of aperiodic services that can be sensed will be very limited, and the reliability of the selected resources or re-evaluation results will decrease.

[0094] This invention provides a method for partial sensing that supports different configuration parameters for partial sensing operations, thereby improving the flexibility of partial sensing operations. For example, different partial sensing configuration parameters can be used at different times. Specifically, this invention can configure multiple sets of partial sensing configuration parameters according to the sensing density. The terminal decides to use one or more sets of partial sensing configuration parameters based on the implementation or (pre)configuration, thus allowing for the selection of appropriate partial sensing configuration parameters as needed. This is beneficial for terminal energy saving and improves the robustness of partial sensing.

[0095] Please refer to Figure 3 The method for partial awareness of direct link resources provided in this embodiment of the invention is executed by the terminal and specifically includes:

[0096] Step 31: The terminal determines at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters.

[0097] Here, the terminal side pre-obtains at least two sets of partial sensing configuration parameters configured for a transmission resource pool. Each set of partial sensing configuration parameters has different parameters; for example, each set of partial sensing configuration parameters has a different sensing density. Each set of partial sensing configuration parameters typically includes the following parameters: a minimum number of candidate resources and a bit sequence of candidate sensing intervals. The aforementioned bit sequence is usually of a preset length, such as 10 bits, with each bit corresponding to one sensing period. When the value of a bit is 1, it indicates that the distance to the reserved resource set k×P is... step The system detects and eliminates unusable resources at specific times, ultimately selecting usable subframes from Y subframes, where k is the index value corresponding to a bit, and P... step The perception period is Y, which represents the minimum number of candidate resources.

[0098] In addition, embodiments of the present invention may pre-store the at least two sets of partial perception configuration parameters locally on the terminal, or the terminal may obtain the at least two sets of partial perception configuration parameters by receiving configuration information sent by the network.

[0099] Step 32: The terminal uses the at least one set of partial sensing configuration parameters to perform partial sensing.

[0100] Here, the terminal performs partial sensing of the direct link resources based on the partial sensing configuration parameters determined in step 31. The specific sensing method can be found in existing technologies, and will not be elaborated further in this embodiment.

[0101] Through the above steps, this embodiment of the invention provides multiple sets of partial sensing configuration parameters, which can support the terminal to use different configuration parameters for partial sensing operations. For example, different partial sensing configuration parameters can be used at different times, thereby improving the flexibility of partial sensing operations.

[0102] Following step 32 above, the terminal may also perform initial transmission and / or retransmission of data based on the sensing results obtained from partial sensing. The retransmission may include one or more retransmissions, each corresponding to one or more retransmission resources.

[0103] As one implementation, in this embodiment of the invention, at least two sets of partial sensing configuration parameters are configured according to their sensing density. In step 31 above, the at least one set of partial sensing configuration parameters determined by the terminal is two sets of partial sensing configuration parameters, namely a first set of configuration parameters and a second set of configuration parameters, wherein the sensing densities of the first set of configuration parameters and the second set of configuration parameters are different. Here, it is assumed that the sensing density of the first set of configuration parameters is less than that of the second set of configuration parameters, that is, the number of bits with a value of 1 in the bit sequence of the candidate sensing interval of the first set of configuration parameters is less than the number of bits with a value of 1 in the bit sequence of the candidate sensing interval of the second set of configuration parameters. Thus, in step 32 above, the terminal uses the first set of configuration parameters and the second set of configuration parameters for partial sensing. Specifically, it can be:

[0104] 1) When the terminal is in the active state of Discontinuous Reception (DRX) (DRX on duration), it uses the first set of configuration parameters for partial sensing; and when it is in the inactive state of DRX (DRX inactive duration), it uses the second set of configuration parameters for partial sensing. That is, the terminal uses different configuration parameters for partial sensing in different DRX states, and the configuration parameters corresponding to each DRX state are different.

[0105] For example, during the period from the start of perception to the resource selection time, when the terminal is in DRX onduration, it uses the first set of configuration parameters for partial perception; and when it is in DRX inactiveduration, it uses the second set of configuration parameters for partial perception.

[0106] For example, during the period from the start of perception to the initial data transmission, when the terminal is in DRX onduration, it uses the first set of configuration parameters for partial perception; and when it is in DRX inactiveduration, it uses the second set of configuration parameters for partial perception.

[0107] For example, during the period from the start of perception to the last data retransmission, when the terminal is in the DRX on duration, it uses the first set of configuration parameters for partial perception; and when it is in the DRX inactive duration, it uses the second set of configuration parameters for partial perception.

[0108] 2) During the period from the start of sensing to the initial data transmission, the terminal uses the first set of configuration parameters and the second set of configuration parameters to perform partial sensing.

[0109] For example, the terminal uses the first set of configuration parameters for partial sensing during the period from the start of sensing to the resource selection time, and uses the second set of configuration parameters for partial sensing during the period from the resource selection time to the initial data transmission time.

[0110] For example, the terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the first moment, and uses the second set of configuration parameters for partial sensing from the first moment to the initial data transmission moment. The first moment is prior to the initial data transmission moment, and the interval between the first moment and the initial data transmission moment is a first preset time interval f1. Considering the characteristics of current periodic and aperiodic transmission, the first preset time interval f1 can be 31 time slots.

[0111] 3) During the period from the start of sensing to the data retransmission time, the terminal uses the first set of configuration parameters and the second set of configuration parameters to perform partial sensing.

[0112] For example, the terminal uses the first set of configuration parameters for partial sensing during the period from the start of sensing to the resource selection time, and uses the second set of configuration parameters for partial sensing during the period from the resource selection time to the data retransmission time.

[0113] For example, the terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the second time, and uses the second set of configuration parameters for partial sensing from the second time to the last data retransmission time. The second time is prior to the initial data transmission time, and is spaced apart by a second preset duration f2. Considering the characteristics of current periodic and aperiodic transmission, the second preset duration f2 can be 31 time slots.

[0114] As can be seen from the above, this embodiment of the invention configures multiple sets of partial sensing configuration parameters for a single transmission resource pool. At different times, the terminal can use different configuration parameters to perform partial sensing operations for a subsequent period, depending on the different impacts of periodic and aperiodic transmissions on resource selection reliability. For example, during the period of monitoring periodic transmissions, the first set of partial sensing configuration parameters is used for low-density partial sensing operations to ensure energy saving; during the period of monitoring aperiodic transmissions, the second set of partial sensing configuration parameters is used for short-duration, high-density partial sensing operations to ensure the reliability of the sensing results and reduce transmission collisions. Furthermore, when using DRX for power saving, this embodiment of the invention can use two sets of configuration parameters for partial sensing, achieving power saving while also appropriately reducing resource collisions.

[0115] As one implementation, in this embodiment of the invention, at least two sets of partial sensing configuration parameters are configured according to their sensing density. In step 31 above, the at least one set of partial sensing configuration parameters determined by the terminal is a set of partial sensing configuration parameters, specifically either a first set of configuration parameters or a second set of configuration parameters. Thus, in step 32 above, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing. The sensing densities of the first set of configuration parameters and the second set of configuration parameters are different. Here, it is assumed that the sensing density of the first set of configuration parameters is less than that of the second set of configuration parameters. Specifically, using either the first set of configuration parameters or the second set of configuration parameters for partial sensing can be as follows:

[0116] 1) During the period from the start of sensing to the initial data transmission, the terminal uses the first set of configuration parameters or the second set of configuration parameters to perform partial sensing.

[0117] For example, the terminal may use the first set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continue to use the first set of configuration parameters for partial sensing from the resource selection time to the initial data transmission time. Alternatively, the terminal may use the second set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continue to use the second set of configuration parameters for partial sensing from the resource selection time to the initial data transmission time.

[0118] For example, the terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the third time, and continues to use the first set of configuration parameters for partial sensing from the third time to the initial data transmission time, wherein the third time is before the initial data transmission time and is separated from the initial data transmission time by a third preset time interval f3. Alternatively, the terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the third time, and continues to use the second set of configuration parameters for partial sensing from the third time to the initial data transmission time, wherein the third time is before the initial data transmission time and is separated from the initial data transmission time by a third preset time interval f3.

[0119] Considering the characteristics of current periodic and aperiodic transmission, the third preset duration f3 can be 31 time slots.

[0120] 2) During the period from the start of sensing to the data retransmission time, the terminal uses the first set of configuration parameters or the second set of configuration parameters to perform partial sensing.

[0121] For example, the terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the resource selection time, and continues to perform partial sensing using the first set of configuration parameters from the resource selection time to the last data retransmission time. Alternatively, the terminal performs partial sensing using the second set of configuration parameters from the start of sensing to the resource selection time, and continues to perform partial sensing using the second set of configuration parameters from the resource selection time to the last data retransmission time.

[0122] For example, the terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the fourth time, and continues to use the first set of configuration parameters for partial sensing from the fourth time to the last data retransmission time. Alternatively, the terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the fourth time, and continues to use the second set of configuration parameters for partial sensing from the fourth time to the last data retransmission time, wherein the fourth time is before the initial data transmission time, and the interval between the fourth time and the initial data transmission time is a fourth preset time interval f4. Considering the characteristics of current periodic and aperiodic transmission, the fourth preset time interval f4 can be 31 time slots.

[0123] The following examples further illustrate the methods of embodiments of the present invention. These examples include partial sensing using two sets of configuration parameters, specifically:

[0124] A. Use two sets of configuration parameters to perform partial perception under different DRX states;

[0125] B. Use two sets of configuration parameters for partial sensing from the start of sensing to the initial transmission;

[0126] C. Use two sets of configuration parameters for partial sensing from the start of sensing until retransmission;

[0127] The following examples also include partial awareness using a set of configuration parameters, which are further divided into:

[0128] D. Use a set of parameters for partial sensing from the start of perception until the initial transmission;

[0129] E. Use a set of parameters for partial sensing from the start of sensing until retransmission.

[0130] The following examples and Figures 4-14 In this context, each candidate resource can specifically be a subframe or a time slot; n represents the resource selection time; n-T0 represents the start time of partial sensing before resource selection; [n+T1,n+T2] represents the resource selection window; n-Tproc,0 represents the start time of processing sensing results; m represents the start time of initial data transmission; r represents the start time of the last retransmission; y represents the start time of partial sensing after resource selection; p represents the period of partial sensing; t y t represents the time slot corresponding to y; y+k×p The time slot corresponding to y+k×p is represented; f represents the start time of partial sensing before the initial transmission; t f Indicates the time slot corresponding to f; t f+k×p This represents the time slot corresponding to f+k×p.

[0131] In addition, for convenience, the term "partial sensing configuration 1" or "configuration 1" is sometimes used in the following text and the accompanying figures to refer to the first set of configuration parameters, and "partial sensing configuration 2" or "configuration 2" to refer to the second set of configuration parameters.

[0132] A. Example of using two sets of partial perception configuration parameters for DRX

[0133] In the following three examples, the resource pool is configured with two sets of partially aware configuration parameters. Assuming the service transmission period configured for the resource pool is 200ms and 300ms, the two sets of partially aware configuration parameters are configured as follows:

[0134] 1) Partial sensing configuration 1: The minimum number of candidate resources is 4, and the bit sequence of the candidate sensing interval is 1000100010 (lower sensing density);

[0135] 2) Partial sensing configuration 2: The minimum number of candidate resources is 7, and the bit sequence of the candidate sensing interval is 1010101110 (higher sensing density).

[0136] Example 1: Please refer to Figure 4 From the start of perception until resource selection, partial perception is performed using configuration 1 during the DRX inactive duration and partial perception is performed using configuration 2 during the DRX on duration.

[0137] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n+T1,n+T2].

[0138] (2) The higher layers of the terminal send parameters such as the partial sensing period p and the partial sensing configuration 2 to the physical layer. The higher layers here can be the RRC and / or MAC layers.

[0139] (3) The terminal starts partial sensing at time n-T0 based on parameters such as period p and partial sensing configuration, and reports the sensing results to the higher level.

[0140] (4) When the terminal's DRX state changes, the higher layer sends parameters such as the partial sensing period p and partial sensing configuration 1 to the physical layer. Here, the partial sensing period p is a predefined or configured parameter.

[0141] (5) The terminal performs partial sensing based on parameters such as period p and partial sensing configuration, and reports the sensing results to the higher level.

[0142] (6) At time n, the terminal selects resources based on the previous partial sensing results and obtains the time and frequency positions of the initial transmission and retransmission resources.

[0143] Example 2: Please refer to Figure 5 From the start of perception until the initial data transmission, partial perception is performed using configuration 1 during the DRX inactive duration, and partial perception is performed using configuration 2 during the DRX on duration.

[0144] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n+T1,n+T2].

[0145] (2) The higher layers of the terminal send parameters such as the partial sensing period p and the partial sensing configuration 2 to the physical layer.

[0146] (3) The terminal starts partial sensing at time n - T0 according to parameters such as the period p and partial sensing configuration, and reports the sensing result to the upper layer.

[0147] (4) When the DRX state of the terminal changes, the upper layer sends parameters such as the period p of partial sensing and partial sensing configuration 1 to the physical layer.

[0148] (5) The terminal performs partial sensing according to parameters such as the period p and partial sensing configuration, and reports the sensing result to the upper layer.

[0149] (6) At time n, the terminal selects resources based on the previous partial sensing results to obtain the time-frequency positions of the initial transmission and retransmission resources.

[0150] (7) If the number of time slots between the initial transmission time of the data and the resource selection time n reaches the (pre-)configured threshold, the terminal can choose to use the partial sensing configuration to perform partial sensing between time n and the initial transmission. Here, the (pre-)configured threshold and whether to perform partial sensing are determined by the terminal implementation.

[0151] (8) If the upper layer of the terminal receives an indication to perform partial sensing between time n and the initial transmission, according to the DRX state, it sends parameters such as the partial sensing period p (which can be an updated value), partial sensing configuration 2, etc. to the physical layer.

[0152] (9) The terminal starts partial sensing according to parameters such as the partial sensing period p and partial sensing configuration 2 after receiving and processing the upper layer parameters at the physical layer, ends partial sensing at the initial transmission start time m, and reports the sensing result to the upper layer.

[0153] ■ Method of sensing:

[0154] - If p × c = m - y, starting from time slot t y start, perform sensing in time slot t y+k×p Time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit position with a value of 1 in the bit sequence of the candidate sensing interval, and the terminal ends partial sensing at time m.

[0155] - If p × c > m - y, starting from time slot t y start, perform sensing in time slot t y+k×p Time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit position with a value of 1 in the bit sequence of the candidate sensing interval, and the terminal ends partial sensing at time m.

[0156] - If p × c < m - y, starting from time slot t y start, perform sensing in time slot t y+(k+c×q)×pSensing is performed in time slots, where c is the number of bits in the candidate sensing interval bit sequence, k is the index of the bit with a value of 1 in the candidate sensing interval bit sequence, and q = 0, 1, ..., Q. After traversing the candidate sensing sequence once, the value of q is updated to the current value of q plus 1. After traversing Q times, the terminal ends partial sensing at time m.

[0157] Example 3: Please refer to Figure 6 From the start of perception until retransmission, partial perception is performed using configuration 1 during the DRX inactive duration and partial perception is performed using configuration 2 during the DRX on duration.

[0158] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n+T1,n+T2].

[0159] (2) The higher layers of the terminal send parameters such as the partial sensing period p and the partial sensing configuration 2 to the physical layer.

[0160] (3) The terminal starts partial sensing at time n-T0 based on parameters such as period p and partial sensing configuration, and reports the sensing results to the higher level.

[0161] (4) When the terminal DRX state changes, the higher layer sends parameters such as the partial sensing period p and partial sensing configuration 1 to the physical layer.

[0162] (5) The terminal performs partial sensing based on parameters such as period p and partial sensing configuration, and reports the sensing results to the higher level.

[0163] (6) At time n, the terminal selects resources based on the previous partial sensing results and obtains the time and frequency positions of the initial transmission and retransmission resources.

[0164] (7) If the number of time slots between the last retransmission and the resource selection time n reaches the (pre)configuration threshold, the terminal may choose to use the partial awareness configuration to perform partial awareness between time n and the last retransmission (the (pre)configuration threshold and whether to perform partial awareness are determined by the terminal implementation).

[0165] (8) If the higher layer of the terminal receives an instruction to perform partial sensing between time n and the initial transmission, it sends the partial sensing period p (which can be an updated value), partial sensing configuration 2, and other parameters to the physical layer according to the DRX status.

[0166] (9) The terminal starts partial sensing after receiving and processing the parameters from the higher layer at the physical layer according to the partial sensing period p and the partial sensing configuration 2, and ends partial sensing at the start time r of the last retransmission, and reports the sensing results to the higher layer.

[0167] ■ Sensing method:

[0168] - If p×c = r - y, starting from time slot t y begin, and sense in the t y+k×p time slot. c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time r.

[0169] - If p×c > r - y, starting from time slot t y begin, and sense in the t y+k×p time slot. c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time r.

[0170] - If p×c < r - y, starting from time slot t y begin, and sense in the t y+(k+c×q)×p time slot. c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, q = 0, 1, …, Q. After the candidate sensing sequence traverses once, update the value of q to the current value of q plus 1, traverse Q times, and the terminal ends the partial sensing at time r.

[0171] B. Example of using two sets of partial sensing configuration parameters from the start of sensing to before the initial transmission

[0172] In the following two examples, the resource pool configures two sets of partial sensing configuration parameters. Among them, it is assumed that the service transmission periods configured in the resource pool are 200 ms and 300 ms, and the following two sets of partial sensing configuration parameters are configured:

[0173] 1) Partial sensing configuration 1: The minimum number of candidate resources is 4, and the candidate sensing interval bit sequence is 1000101010 (low sensing density);

[0174] 2) Partial sensing configuration 2: The minimum number of candidate resources is 7, and the candidate sensing interval bit sequence is 1010101110 (high sensing density).

[0175] Example 1: Please refer to Figure 7 , and use configuration 1 for partial sensing from the start of sensing to before resource selection, and use configuration 2 for partial sensing from resource selection to before the initial transmission.

[0176] (1) The terminal selects a group of resources as candidate resources in the resource selection window [n + T1, n + T2].

[0177] (2) The upper layer of the terminal sends parameters such as the period p of partial sensing and partial sensing configuration 1 to the physical layer.

[0178] (3) The terminal starts partial sensing at time n - T0 according to parameters such as the period p and partial sensing configuration, and reports the sensing result to the upper layer.

[0179] (4) The terminal performs resource selection at time n based on the previous partial sensing result to obtain the time-frequency positions of the initial transmission and retransmission resources.

[0180] (5) If the number of time slots between the initial transmission and the resource selection time n reaches the (pre-)configured threshold, the terminal can choose to use the partial sensing configuration to perform partial sensing between time n and the initial transmission ((the (pre-)configured threshold and whether to perform partial sensing are determined by the terminal implementation)).

[0181] (6) If the upper layer of the terminal receives an indication to perform partial sensing between time n and the initial transmission, it sends parameters such as the partial sensing period p (which can be an updated value), partial sensing configuration 2, etc. to the physical layer.

[0182] (7) The terminal starts partial sensing according to parameters such as the partial sensing period p and partial sensing configuration 2 after receiving and processing the upper layer parameters at the physical layer, ends the partial sensing at the initial transmission start time m, and reports the sensing result to the upper layer.

[0183] ■ Sensing method:

[0184] - If p × c = m - y, starting from time slot t y start, perform sensing in time slot t y+k×p Time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time m.

[0185] - If p × c > m - y, starting from time slot t y start, perform sensing in time slot t y+k×p Time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time m.

[0186] - If p × c < m - y, starting from time slot t y start, perform sensing in time slot t y+(k+c×q)×p Time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, q = 0, 1,..., Q, After the candidate sensing sequence traverses once, update the value of q to the current value of q plus 1, traverse Q times, and the terminal ends the partial sensing at time m.

[0187] Example 2: Please refer to Figure 8, partial sensing is performed using Configuration 1 from the start of sensing to time f before initial transmission, and partial sensing is performed using Configuration 2 from time f before initial transmission to before initial transmission.

[0188] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n + T1, n + T2].

[0189] (2) The higher layer of the terminal sends parameters such as the period p of partial sensing and Configuration 1 of partial sensing to the physical layer.

[0190] (3) The terminal starts partial sensing at time n - T0 according to parameters such as the period p and partial sensing configuration, and reports the sensing result to the higher layer.

[0191] (4) The terminal performs resource selection at time n based on the previous partial sensing result, and obtains the time-frequency positions of the initial transmission and retransmission resources.

[0192] (5) If the number of time slots between the initial transmission and the resource selection time n reaches the (pre)-configured threshold, the terminal can choose to perform partial sensing between time n and the initial transmission using the partial sensing configuration ((the (pre)-configured threshold and whether to perform partial sensing are determined by the terminal implementation)).

[0193] (6) If the higher layer of the terminal receives an indication to perform partial sensing between time n and the initial transmission, it sends parameters such as the partial sensing period p (which can be an updated value) and Configuration 2 of partial sensing to the physical layer.

[0194] (7) The terminal starts partial sensing at the 31st time slot before the initial transmission time m according to parameters such as the partial sensing period p and Configuration 2 of partial sensing, ends partial sensing at the initial transmission start time m, and reports the sensing result to the higher layer.

[0195] ■ Method of sensing:

[0196] - If p × c = m - f, starting from time slot t f start, perform sensing in time slot t f+k×p time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time m.

[0197] - If p × c > m - f, starting from time slot t f start, perform sensing in time slot t f+k×p time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time m.

[0198] - If p × c < m - f, starting from time slot t f start, perform sensing in time slot t f+(k+c×q)×pSensing is performed in time slots, where c is the number of bits in the candidate sensing interval bit sequence, k is the index of the bit that is 1 in the candidate sensing interval bit sequence, and q = 0, 1, ..., Q. After traversing the candidate sensing sequence once, the value of q is updated to the current value of q plus 1. After traversing Q times, the terminal ends partial sensing at time m.

[0199] C. An example of using two sets of partial sensing configurations from the start of sensing until retransmission.

[0200] In the following two examples, the resource pool is configured with two sets of partially aware configuration parameters. Assuming the service transmission period configured for the resource pool is 200ms and 300ms, the two sets of partially aware configuration parameters are configured as follows:

[0201] 1) Partial sensing configuration 1: The minimum number of candidate resources is 4, and the bit sequence of the candidate sensing interval is 1000101010 (lower sensing density);

[0202] 2) Partial sensing configuration 2: The minimum number of candidate resources is 7, and the bit sequence of the candidate sensing interval is 1010101110 (higher sensing density).

[0203] Example 1: Please refer to Figure 9 Configuration 1 is used for partial sensing from the start of sensing to before resource selection, and configuration 2 is used for partial sensing from the start of resource selection to before retransmission.

[0204] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n+T1,n+T2].

[0205] (2) The higher layers of the terminal send parameters such as the partial sensing period p and partial sensing configuration 1 to the physical layer.

[0206] (3) The terminal starts partial sensing at time n-T0 based on parameters such as period p and partial sensing configuration, and reports the sensing results to the higher level.

[0207] (4) At time n, the terminal selects resources based on the previous partial sensing results and obtains the time and frequency positions of the primary and retransmission resources.

[0208] (5) If the number of time slots between the last retransmission and the resource selection time n reaches the (pre)configuration threshold, the terminal may choose to use the partial awareness configuration to perform partial awareness between time n and the last retransmission (the (pre)configuration threshold and whether to perform partial awareness are determined by the terminal implementation).

[0209] (6) If the higher layer of the terminal receives an instruction to perform partial sensing between time n and the last retransmission, it sends the partial sensing period p (which can be an updated value), partial sensing configuration 2, and other parameters to the physical layer.

[0210] (7) After the terminal receives the high - layer parameters at the physical layer and finishes processing them, it starts partial sensing according to parameters such as the partial sensing period p and the partial sensing configuration 2, ends the partial sensing at the start time r of the last re - transmission, and reports the sensing result to the high - layer.

[0211] ■ Sensing method:

[0212] - If p×c = r - y, starting from time slot t y to start, perform sensing in the t y+k×p time slot. c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time r.

[0213] - If p×c > r - y, starting from time slot t y to start, perform sensing in the t y+k×p time slot. c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time r.

[0214] - If p×c < r - y, starting from time slot t y to start, perform sensing in the t y+(k+c×q)×p time slot. c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, q = 0, 1, …, Q, After traversing the candidate sensing sequence once, update the value of q to the current value of q plus 1, traverse Q times, and the terminal ends the partial sensing at time r.

[0215] Example 2: Please refer to Figure 10 , perform partial sensing using Configuration 1 from the start of sensing to time f before the initial transmission, and perform partial sensing using Configuration 2 from time f before the initial transmission to before the last re - transmission.

[0216] (1) The terminal selects a group of resources as candidate resources in the resource selection window [n + T1, n + T2].

[0217] (2) The high - layer of the terminal sends parameters such as the partial sensing period p and the partial sensing configuration 1 to the physical layer.

[0218] (3) The terminal starts partial sensing at time n - T0 according to parameters such as the period p and the partial sensing configuration, and reports the sensing result to the high - layer.

[0219] (4) The terminal selects resources at time n according to the previous partial sensing result, and obtains the time - frequency positions of the initial transmission and re - transmission resources.

[0220] (5) If the number of time slots between the last retransmission and the resource selection moment n reaches the (pre-)configured threshold, the terminal can choose to use a partially sensed configuration to perform partial sensing between the moment n and the last retransmission ((the (pre-)configured threshold and whether to perform partial sensing are determined by the terminal implementation)).

[0221] (6) If the upper layer of the terminal receives an indication to perform partial sensing between the moment n and the last retransmission, it sends parameters such as the partial sensing period p (which can be an updated value) and the partial sensing configuration 2 to the physical layer.

[0222] (7) The terminal starts partial sensing at the 31st time slot before the initial transmission moment m according to parameters such as the partial sensing period p and the partial sensing configuration 2, ends partial sensing at the start moment r of the last retransmission, and reports the sensing result to the upper layer.

[0223] ■ Sensing method:

[0224] - If p×c = r - f, start sensing from time slot t f and perform sensing in time slot t f+k×p . Here, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at moment r.

[0225] - If p×c > r - f, start sensing from time slot t f and perform sensing in time slot t f+k×p . Here, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at moment r.

[0226] - If p×c < r - f, start sensing from time slot t f and perform sensing in time slot t f+(k+c×q)×p . Here, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, q = 0, 1,..., Q, after the candidate sensing sequence traverses once, update the value of q to the current value of q plus 1, traverse Q times, and the terminal ends partial sensing at moment r.

[0227] D. Example of using a set of partial sensing configurations from the start of sensing to before the initial transmission

[0228] In the following two examples, the resource pool configures two sets of partial sensing configuration parameters. Among them, it is assumed that the configured service transmission periods of the resource pool are 200 ms and 300 ms, and the following two sets of partial sensing configuration parameters are configured:

[0229] 1) Partial sensing configuration 1: The minimum number of candidate resources is 5, and the candidate sensing interval bit sequence is 1000101010 (low sensing density);

[0230] 2) Partial sensing configuration 2: The minimum number of candidate resources is 5, and the bit sequence of the candidate sensing interval is 1010101110 (higher sensing density).

[0231] Example 1: Please refer to Figure 11 From the start of perception to before resource selection, partial perception is performed using configuration 1. From resource selection to before initial transmission, partial perception is performed using configuration 1.

[0232] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n+T1,n+T2].

[0233] (2) The higher layers of the terminal send parameters such as the partial sensing period p and partial sensing configuration 1 to the physical layer.

[0234] (3) The terminal starts partial sensing at time n-T0 based on parameters such as period p and partial sensing configuration, and reports the sensing results to the higher level.

[0235] (4) At time n, the terminal selects resources based on the previous partial sensing results and obtains the time and frequency positions of the primary and retransmission resources.

[0236] (5) If the number of time slots between the initial transmission and the resource selection time n reaches the (pre)configuration threshold, the terminal may choose to use the partial sensing configuration to perform partial sensing between time n and the initial transmission (the (pre)configuration threshold and whether to perform partial sensing are determined by the terminal implementation).

[0237] (6) If the higher layer of the terminal receives an instruction to perform partial sensing between time n and the initial transmission, it sends the partial sensing period p (which can be an updated value), partial sensing configuration 1, and other parameters to the physical layer.

[0238] (7) The terminal starts partial sensing after receiving and processing the parameters from the higher layer at the physical layer according to the partial sensing period p and the partial sensing configuration 1, ends partial sensing at the start time m of the initial transmission, and reports the sensing results to the higher layer.

[0239] ■Methods of perception:

[0240] -If p×c=my, from time slot t y Beginning, at t y+k×p Sensing is performed in time slots, where c is the number of bits in the candidate sensing interval bit sequence, and k is the index of the bit that is 1 in the candidate sensing interval bit sequence. The terminal ends partial sensing at time m.

[0241] -If p×c>my, from time slot t y Beginning, at t y+k×pPerform sensing on time slots, c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time m.

[0242] - If p×c < m - y, starting from time slot t y Start, and perform sensing in time slot t y+(k+c×q)×p Perform sensing on time slots, c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, q = 0, 1, …, Q, After traversing the candidate sensing sequence once, update the value of q to the current value of q plus 1, and traverse Q times. The terminal ends partial sensing at time m.

[0243] Example 2: Please refer to Figure 12 , and perform partial sensing using Configuration 1 from the start of sensing to time f before the initial transmission, and perform partial sensing using Configuration 1 from time f before the initial transmission to before the initial transmission.

[0244] (1) The terminal selects a group of resources as candidate resources in the resource selection window [n + T1, n + T2].

[0245] (2) The upper layer of the terminal sends parameters such as the period p of partial sensing and Partial Sensing Configuration 1 to the physical layer.

[0246] (3) The terminal starts partial sensing at time n - T0 according to parameters such as the period p and partial sensing configuration, and reports the sensing result to the upper layer.

[0247] (4) The terminal performs resource selection at time n based on the previous partial sensing result to obtain the time-frequency positions of the initial transmission and retransmission resources.

[0248] (5) If the number of time slots between the initial transmission and the resource selection time n reaches the (pre)-configured threshold, the terminal can choose to perform partial sensing between time n and the initial transmission using the partial sensing configuration ((the (pre)-configured threshold and whether to perform partial sensing are determined by the terminal implementation)).

[0249] (6) If the upper layer of the terminal receives an indication to perform partial sensing between time n and the initial transmission, it sends parameters such as the partial sensing period p (which can be an updated value), Partial Sensing Configuration 1, etc. to the physical layer.

[0250] (7) The terminal starts partial sensing at the 31st time slot before the initial transmission time m according to parameters such as the partial sensing period p and Partial Sensing Configuration 1, ends partial sensing at the initial transmission start time m, and reports the sensing result to the upper layer.

[0251] ■ Method of sensing:

[0252] - If p×c = m - f, starting from time slot t fStart, at time slot t f+k×p Perform sensing. c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time m.

[0253] - If p×c > m - f, start from time slot t f Start, at time slot t f+k×p Perform sensing. c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time m.

[0254] - If p×c < m - f, start from time slot t f Start, at time slot t f+(k+c×q)×p Perform sensing. c is the number of bits in the candidate sensing interval bit sequence, k is the index value of the bits that are 1 in the candidate sensing interval bit sequence, q = 0, 1, …, Q. After traversing the candidate sensing sequence once, update the value of q to the current value of q plus 1, traverse Q times, and the terminal ends partial sensing at time m.

[0255] E. Example of using a set of partial sensing configurations from the start of sensing to before retransmission

[0256] In the following two examples, the resource pool configures two sets of partial sensing configuration parameters. Among them, it is assumed that the service transmission periods configured by the resource pool are 200 ms and 300 ms, and the following two sets of partial sensing configuration parameters are configured:

[0257] 1) Partial sensing configuration 1: The minimum number of candidate resources is 5, and the candidate sensing interval bit sequence is 1000101010 (low sensing density);

[0258] 2) Partial sensing configuration 2: The minimum number of candidate resources is 5, and the candidate sensing interval bit sequence is 1010101110 (high sensing density).

[0259] Example 1: Please refer to Figure 13 , and perform partial sensing using Configuration 1 from the start of sensing to the resource selection moment, and perform partial sensing using Configuration 1 from the resource selection moment to before the last retransmission.

[0260] (1) The terminal selects a group of resources as candidate resources in the resource selection window [n + T1, n + T2].

[0261] (2) The upper layer of the terminal sends parameters such as the period p of partial sensing and partial sensing configuration 2 to the physical layer.

[0262] (3) The terminal starts partial sensing at time n - T0 according to parameters such as the period p and partial sensing configuration, and reports the sensing result to the upper layer.

[0263] (4) At time n, the terminal selects resources based on previous partial sensing results to obtain the time-frequency positions of the initial transmission and retransmission resources.

[0264] (5) If the number of time slots between the last retransmission and the resource selection time n reaches the (pre-)configured threshold, the terminal can choose to perform partial sensing between time n and the last retransmission using the partially sensed configuration (the (pre-)configured threshold and whether to perform partial sensing are determined by the terminal implementation).

[0265] (6) If the upper layer of the terminal receives an indication to perform partial sensing between time n and the last retransmission, it sends parameters such as the partial sensing period p (which can be an updated value), the partial sensing configuration 2, etc. to the physical layer.

[0266] (7) The terminal starts partial sensing according to parameters such as the partial sensing period p and the partial sensing configuration 2 after receiving and processing the upper layer parameters at the physical layer, ends the partial sensing at the start time r of the last retransmission, and reports the sensing results to the upper layer.

[0267] ■ Sensing method:

[0268] - If p×c = r - y, starting from time slot t y start, sense in time slot t y+k×p time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time r.

[0269] - If p×c > r - y, starting from time slot t y start, sense in time slot t y+k×p time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends the partial sensing at time r.

[0270] - If p×c < r - y, starting from time slot t y start, sense in time slot t y+(k+c×q)×p time slot, c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, q = 0, 1,..., Q, after traversing the candidate sensing sequence once, update the value of q to the current value of q plus 1, traverse Q times, and the terminal ends the partial sensing at time r.

[0271] Example 2: Please refer to Figure 14 , the terminal uses Configuration 1 for partial sensing from the start of sensing to time f before the initial transmission, and uses Configuration 1 for partial sensing from time f before the initial transmission to before the retransmission.

[0272] (1) The terminal selects a set of resources as candidate resources in the resource selection window [n+T1, n+T2].

[0273] (2) The higher layer of the terminal sends parameters such as the partially sensed period p and the partial sensing configuration 1 to the physical layer.

[0274] (3) The terminal starts partial sensing at time n-T0 according to parameters such as the period p and the partial sensing configuration, and reports the sensing result to the higher layer.

[0275] (4) The terminal performs resource selection at time n based on the previous partial sensing result, and obtains the time-frequency positions of the initial transmission and retransmission resources.

[0276] (5) If the number of time slots between the last retransmission and the resource selection time n reaches the (pre)-configured threshold, the terminal can choose to use the partial sensing configuration to perform partial sensing between time n and the last retransmission ((the (pre)-configured threshold and whether to perform partial sensing are determined by the terminal implementation)).

[0277] (6) If the higher layer of the terminal receives an indication to perform partial sensing between time n and the last retransmission, it sends parameters such as the partial sensing period p (which can be an updated value), the partial sensing configuration 1, etc. to the physical layer.

[0278] (7) The terminal starts partial sensing at the 31st time slot before the initial transmission time m according to parameters such as the partial sensing period p and the partial sensing configuration 1, ends partial sensing at the start time r of the last retransmission, and reports the sensing result to the higher layer.

[0279] ■ Sensing method:

[0280] - If p×c = r-f, starting from time slot t f perform sensing in time slot t f+k×p c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time r.

[0281] - If p×c > r-f, starting from time slot t f perform sensing in time slot t f+k×p c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, and the terminal ends partial sensing at time r.

[0282] - If p×c < r-f, starting from time slot t f perform sensing in time slot t f+(k+c×q)×p c is the number of bits of the candidate sensing interval bit sequence, k is the index value of the bit that is 1 in the candidate sensing interval bit sequence, q = 0, 1,..., Q, After traversing the candidate sensing sequence once, the value of q is updated to the current value of q plus 1. After traversing Q times, the terminal ends partial sensing at time r.

[0283] The various methods of the embodiments of the present invention have been described above. Apparatus for implementing the above methods will now be provided.

[0284] Please refer to Figure 15 This invention provides a terminal, comprising:

[0285] The determining unit 151 is used to determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters;

[0286] The sensing unit 152 is used to perform partial sensing using the at least one set of partial sensing configuration parameters.

[0287] Optionally, each set of partial sensing configuration parameters may have different sensing densities.

[0288] Optionally, each set of partial sensing configuration parameters includes the following parameters: minimum number of candidate resources and bit sequence of candidate sensing interval.

[0289] Optionally, the terminal further includes:

[0290] The transmission unit is used to perform initial transmission and / or retransmission of data based on the perception results obtained from partial perception after performing partial perception using the at least one set of partial perception configuration parameters.

[0291] Optionally, the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The sensing unit is further configured to use the first set of configuration parameters for partial sensing when it is in the DRX on duration active state of discontinuous DRX reception, and to use the second set of configuration parameters for partial sensing when it is in the DRX inactive duration in the DRX inactive state.

[0292] Optionally, the sensing unit is further configured to:

[0293] During the period from the start of perception to the resource selection time, when DRX is in DRX on duration, partial perception is performed using the first set of configuration parameters, and when DRX is in DRX inactive duration, partial perception is performed using the second set of configuration parameters.

[0294] or,

[0295] During the period from the start of perception to the initial data transmission, when the DRX is in DRX on duration, partial perception is performed using the first set of configuration parameters; and when the DRX is in DRX inactive duration, partial perception is performed using the second set of configuration parameters.

[0296] or,

[0297] During the period from the start of perception to the last data retransmission, when in DRX onduration, partial perception is performed using the first set of configuration parameters, and when in DRX inactiveduration, partial perception is performed using the second set of configuration parameters.

[0298] Optionally, the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The sensing unit is further configured to: use the first set of configuration parameters and the second set of configuration parameters to perform partial sensing during the period from the start of sensing to the initial data transmission time.

[0299] Optionally, the sensing unit is further configured to:

[0300] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters, and during the period from the resource selection time to the initial data transmission time, partial perception is performed using the second set of configuration parameters.

[0301] or,

[0302] During the period from the start of perception to the first moment, partial perception is performed using the first set of configuration parameters, and during the period from the first moment to the initial data transmission moment, partial perception is performed using the second set of configuration parameters, wherein the first moment is before the initial data transmission moment and is spaced apart by a first preset time f1 from the initial data transmission moment.

[0303] Optionally, the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The sensing unit is further configured to: perform partial sensing using the first set of configuration parameters and the second set of configuration parameters during the period from the start of sensing to the data retransmission time.

[0304] Optionally, the sensing unit is further configured to:

[0305] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters, and during the period from the resource selection time to the data retransmission time, partial perception is performed using the second set of configuration parameters.

[0306] or,

[0307] During the period from the start of perception to the second time, partial perception is performed using the first set of configuration parameters, and during the period from the second time to the last data retransmission time, partial perception is performed using the second set of configuration parameters, wherein the second time is before the initial data transmission time and is spaced apart from the initial data transmission time by a second preset time interval f2.

[0308] Optionally, the at least one set of partial sensing configuration parameters may include only the first set of configuration parameters or the second set of configuration parameters. The sensing unit is further configured to: use the first set of configuration parameters or the second set of configuration parameters for partial sensing during the period from the start of sensing to the initial data transmission time.

[0309] Optionally, the sensing unit is further configured to:

[0310] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters; and during the period from the resource selection time to the initial data transmission time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters.

[0311] or,

[0312] During the period from the start of perception to the third time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters. During the period from the third time to the initial data transmission time, partial perception is performed again using the first set of configuration parameters or the second set of configuration parameters. The third time is located before the initial data transmission time and is spaced apart from the initial data transmission time by a third preset time interval f3.

[0313] Optionally, the at least one set of partial sensing configuration parameters may include only the first set of configuration parameters or the second set of configuration parameters. The sensing unit is further configured to: perform partial sensing using the first set of configuration parameters or the second set of configuration parameters during the period from the start of sensing to the data retransmission time.

[0314] Optionally, the sensing unit is further configured to:

[0315] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters; and during the period from the resource selection time to the last data retransmission time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters.

[0316] or,

[0317] During the period from the start of perception to the fourth time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters. During the period from the fourth time to the last data retransmission time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters. The fourth time is located before the initial data transmission time and is spaced apart from the initial data transmission time by a fourth preset time interval f4.

[0318] Optionally, the perception density of the first set of configuration parameters is lower than that of the second set of configuration parameters.

[0319] It should be noted that the device in this embodiment is the same as the one described above. Figure 3 The devices corresponding to the methods shown are all applicable to the embodiments of the above-described devices, and can achieve the same technical effects. The devices provided by the embodiments of the present invention can implement all the method steps implemented in the above-described method embodiments and can achieve the same technical effects. Therefore, the parts that are the same as those in the method embodiments and the beneficial effects will not be described in detail here.

[0320] Please refer to Figure 16 The present invention provides a schematic diagram of the structure of a terminal, which includes: a processor 1601, a transceiver 1602, a memory 1603, a user interface 1604, and a bus interface.

[0321] In this embodiment of the invention, the terminal further includes a program stored on memory 1603 and executable on processor 1601.

[0322] The transceiver 1602 is used to send and receive data under the control of the processor;

[0323] The processor 1601 is configured to read the computer program in the memory and perform the following operations:

[0324] Determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters;

[0325] Partial sensing is performed using at least one set of partial sensing configuration parameters.

[0326] Optionally, each set of partial sensing configuration parameters may have different sensing densities.

[0327] Optionally, each set of partial sensing configuration parameters includes the following parameters: minimum number of candidate resources and bit sequence of candidate sensing interval.

[0328] Optionally, the processor is further configured to read the computer program in the memory and perform the following operations: after performing partial sensing using the at least one set of partial sensing configuration parameters, perform initial transmission and / or retransmission of data based on the sensing results obtained from the partial sensing.

[0329] Optionally, the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. Optionally, the processor is further configured to read the computer program in the memory and perform the following operations: when in the DRX on duration active state of discontinuous DRX reception, perform partial sensing using the first set of configuration parameters; and when in the DRX inactive duration state of DRX inactive state, perform partial sensing using the second set of configuration parameters.

[0330] Optionally, the processor is further configured to read the computer program in the memory and perform the following operations:

[0331] During the period from the start of perception to the resource selection time, when DRX is in DRX on duration, partial perception is performed using the first set of configuration parameters, and when DRX is in DRX inactive duration, partial perception is performed using the second set of configuration parameters.

[0332] or,

[0333] During the period from the start of perception to the initial data transmission, when the DRX is in DRX on duration, partial perception is performed using the first set of configuration parameters; and when the DRX is in DRX inactive duration, partial perception is performed using the second set of configuration parameters.

[0334] or,

[0335] During the period from the start of perception to the last data retransmission, when in DRX onduration, partial perception is performed using the first set of configuration parameters, and when in DRX inactiveduration, partial perception is performed using the second set of configuration parameters.

[0336] Optionally, the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters. The processor is further configured to read the computer program in the memory and perform the following operations: during the period from the start of sensing to the initial data transmission time, perform partial sensing using the first set of configuration parameters and the second set of configuration parameters.

[0337] Optionally, the processor is further configured to read the computer program in the memory and perform the following operations:

[0338] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters, and during the period from the resource selection time to the initial data transmission time, partial perception is performed using the second set of configuration parameters.

[0339] or,

[0340] During the period from the start of perception to the first moment, partial perception is performed using the first set of configuration parameters, and during the period from the first moment to the initial data transmission moment, partial perception is performed using the second set of configuration parameters, wherein the first moment is before the initial data transmission moment and is spaced apart by a first preset time f1 from the initial data transmission moment.

[0341] Optionally, the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, and the processor is further configured to read the computer program in the memory and perform the following operations:

[0342] During the period from the start of sensing to the data retransmission time, partial sensing is performed using the first set of configuration parameters and the second set of configuration parameters.

[0343] Optionally, the processor is further configured to read the computer program in the memory and perform the following operations:

[0344] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters, and during the period from the resource selection time to the data retransmission time, partial perception is performed using the second set of configuration parameters.

[0345] or,

[0346] During the period from the start of perception to the second time, partial perception is performed using the first set of configuration parameters, and during the period from the second time to the last data retransmission time, partial perception is performed using the second set of configuration parameters, wherein the second time is before the initial data transmission time and is spaced apart from the initial data transmission time by a second preset time interval f2.

[0347] Optional,

[0348] The at least one set of partial sensing configuration parameters includes only the first set of configuration parameters or the second set of configuration parameters. The processor is also used to read the computer program in the memory and perform the following operations:

[0349] During the period from the start of sensing to the initial data transmission, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing.

[0350] Optionally, the processor is further configured to read the computer program in the memory and perform the following operations:

[0351] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters; and during the period from the resource selection time to the initial data transmission time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters.

[0352] or,

[0353] During the period from the start of perception to the third time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters. During the period from the third time to the initial data transmission time, partial perception is performed again using the first set of configuration parameters or the second set of configuration parameters. The third time is located before the initial data transmission time and is spaced apart from the initial data transmission time by a third preset time interval f3.

[0354] Optionally, the at least one set of partially perceptual configuration parameters includes only the first set of configuration parameters, and the processor is further configured to read the computer program in the memory and perform the following operations:

[0355] During the period from the start of sensing to the data retransmission time, the terminal uses either the first set of configuration parameters or the second set of configuration parameters to perform partial sensing.

[0356] Optionally, the processor is further configured to read the computer program in the memory and perform the following operations:

[0357] During the period from the start of perception to the resource selection time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters; and during the period from the resource selection time to the last data retransmission time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters.

[0358] or,

[0359] During the period from the start of perception to the fourth time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters. During the period from the fourth time to the last data retransmission time, partial perception is performed using the first set of configuration parameters or the second set of configuration parameters. The fourth time is located before the initial data transmission time and is spaced apart from the initial data transmission time by a fourth preset time interval f4.

[0360] Optionally, the perception density of the first set of configuration parameters is lower than that of the second set of configuration parameters.

[0361] Understandably, in this embodiment of the invention, the computer program executed by the processor 1601 can achieve the above-mentioned functions. Figure 3 The various processes of the method embodiments shown can achieve the same technical effect, and will not be described again here to avoid repetition.

[0362] exist Figure 16 In this context, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits together, such as one or more processors represented by processor 1601 and memory represented by memory 1603. The bus architecture can also link together various other circuits, such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. The bus interface provides an interface. The transceiver 1602 can be multiple elements, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium. For different user equipment, the user interface 1604 can also be an interface capable of connecting external or internal devices, including but not limited to keypads, displays, speakers, microphones, joysticks, etc.

[0363] The processor 1601 is responsible for managing the bus architecture and general processing, while the memory 1603 can store the data used by the processor 1601 when performing operations.

[0364] It should be noted that the device in this embodiment is the same as the one described above. Figure 3 The device corresponding to the method shown above is applicable to the embodiments of this device and can achieve the same technical effect. In this device, the transceiver 1602 and the memory 1603, as well as the transceiver 1602 and the processor 1601, can be connected via a bus interface. The functions of the processor 1601 can also be implemented by the transceiver 1602, and vice versa. It should be noted that the device provided in this embodiment can implement all the method steps of the above method embodiments and achieve the same technical effect. Therefore, the parts and beneficial effects that are the same as those in the method embodiments will not be described in detail here.

[0365] In some embodiments of the present invention, a computer-readable storage medium is also provided, on which a program is stored, which, when executed by a processor, performs the following steps:

[0366] Determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters;

[0367] Partial sensing is performed using at least one set of partial sensing configuration parameters.

[0368] When executed by the processor, this program can implement all the methods of the above-mentioned partial perception method for direct link resources applied to the terminal side, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0369] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0370] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0371] In the embodiments provided in this application, it should be understood that the disclosed apparatus and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0372] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of the embodiments of the present invention, depending on actual needs.

[0373] In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0374] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, essentially, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps described in the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, ROM, RAM, magnetic disks, or optical disks.

[0375] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A method for partially sensing resources in a direct-access link, characterized in that, include: The terminal determines at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters; The terminal uses the at least one set of partial sensing configuration parameters to perform partial sensing; Wherein, when the at least one set of partial perception configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, the terminal uses the at least one set of partial perception configuration parameters to perform partial perception, including: When the terminal is in the DRX on duration active state (discontinuous DRX reception), it uses the first set of configuration parameters for partial sensing; and when it is in the DRX inactive duration state (DRX inactive state), it uses the second set of configuration parameters for partial sensing.

2. The method as described in claim 1, characterized in that, Each set of partial sensing configuration parameters has a different sensing density.

3. The method as described in claim 2, characterized in that, Each set of partial sensing configuration parameters includes the following parameters: minimum number of candidate resources and bit sequence of candidate sensing interval.

4. The method as described in claim 2, characterized in that, After performing partial sensing using the at least one set of partial sensing configuration parameters, the method further includes: Based on the perception results obtained from partial perception, the data is initially transmitted and / or retransmitted.

5. The method as described in claim 1, characterized in that, When the terminal is in the DRX on duration active state (discontinuous DRX reception), it uses the first set of configuration parameters for partial sensing; and when it is in the DRX inactive duration state (DRX inactive state), it uses the second set of configuration parameters for partial sensing. Specifically: During the period from the start of perception to the resource selection time, when the terminal is in the DRX on duration, it uses the first set of configuration parameters for partial perception; and when it is in the DRX inactive duration, it uses the second set of configuration parameters for partial perception. or, During the period from the start of perception to the initial data transmission, when the terminal is in the DRX on duration state, it uses the first set of configuration parameters for partial perception; and when it is in the DRX inactive duration state, it uses the second set of configuration parameters for partial perception. or, During the period from the start of perception to the last data retransmission, when the terminal is in DRX onduration, it uses the first set of configuration parameters for partial perception; and when it is in DRX inactiveduration, it uses the second set of configuration parameters for partial perception.

6. The method as described in claim 1, characterized in that, When the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, and the terminal uses the at least one set of partial sensing configuration parameters for partial sensing, the method further includes: During the period from the start of sensing to the initial data transmission, the terminal uses the first set of configuration parameters and the second set of configuration parameters to perform partial sensing.

7. The method as described in claim 6, characterized in that, During the period from the start of sensing to the initial data transmission, the terminal performs partial sensing using the first set of configuration parameters and the second set of configuration parameters, specifically: The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the resource selection time, and performs partial sensing using the second set of configuration parameters from the resource selection time to the initial data transmission time. or, The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the first moment, and performs partial sensing using the second set of configuration parameters from the first moment to the initial data transmission moment, wherein the first moment is before the initial data transmission moment and is spaced apart by a first preset time f1.

8. The method as described in claim 1, characterized in that, When the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, and the terminal uses the at least one set of partial sensing configuration parameters for partial sensing, the method further includes: During the period from the start of sensing to the data retransmission time, the terminal uses the first set of configuration parameters and the second set of configuration parameters to perform partial sensing.

9. The method as described in claim 8, characterized in that, During the period from the start of sensing to the data retransmission time, the terminal performs partial sensing using the first set of configuration parameters and the second set of configuration parameters, specifically: The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the resource selection time, and performs partial sensing using the second set of configuration parameters from the resource selection time to the data retransmission time. or, The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the second time, and performs partial sensing using the second set of configuration parameters from the second time to the last data retransmission time, wherein the second time is before the initial data transmission time and is spaced apart from the initial data transmission time by a second preset time interval f2.

10. The method as described in claim 1, characterized in that, When the at least one set of partial sensing configuration parameters only includes the first set of configuration parameters or the second set of configuration parameters, the terminal uses the at least one set of partial sensing configuration parameters to perform partial sensing, including: During the period from the start of sensing to the initial data transmission, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing.

11. The method as described in claim 10, characterized in that, During the period from the start of sensing to the initial data transmission, the terminal uses either the first set of configuration parameters or the second set of configuration parameters for partial sensing, specifically: The terminal performs partial sensing using the first set of configuration parameters during the period from the start of sensing to the resource selection time, and continues to perform partial sensing using the first set of configuration parameters during the period from the resource selection time to the initial data transmission time. or, The terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continues to use the second set of configuration parameters for partial sensing from the resource selection time to the initial data transmission time. or, The terminal performs partial sensing using the first set of configuration parameters from the start of sensing to the third time, and continues to perform partial sensing using the first set of configuration parameters from the third time to the initial data transmission time. The third time is before the initial data transmission time, and there is a third preset time interval f3 between the third time and the initial data transmission time. or, The terminal performs partial sensing using the second set of configuration parameters from the start of sensing to the third time, and continues to perform partial sensing using the second set of configuration parameters from the third time to the initial data transmission time. The third time is located before the initial data transmission time, and there is a third preset time interval f3 between the third time and the initial data transmission time.

12. The method as described in claim 1, characterized in that, When the at least one set of partial sensing configuration parameters only includes the first set of configuration parameters or the second set of configuration parameters, the terminal uses the at least one set of partial sensing configuration parameters to perform partial sensing, including: During the period from the start of sensing to the data retransmission time, the terminal uses either the first set of configuration parameters or the second set of configuration parameters to perform partial sensing.

13. The method as described in claim 12, characterized in that, During the period from the start of sensing to the data retransmission time, the terminal uses either the first set of configuration parameters or the second set of configuration parameters to perform partial sensing, specifically: The terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continues to use the first set of configuration parameters for partial sensing from the resource selection time to the last data retransmission time. or, The terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the resource selection time, and continues to use the second set of configuration parameters for partial sensing from the resource selection time to the last data retransmission time. or, The terminal uses the first set of configuration parameters for partial sensing from the start of sensing to the fourth moment, and continues to use the first set of configuration parameters for partial sensing from the fourth moment to the last data retransmission moment, wherein the fourth moment is before the initial data transmission moment, and the interval between the fourth moment and the initial data transmission moment is a fourth preset time f4. or, The terminal uses the second set of configuration parameters for partial sensing from the start of sensing to the fourth time, and continues to use the second set of configuration parameters for partial sensing from the fourth time to the last data retransmission time. The fourth time is before the initial data transmission time and is spaced apart from the initial data transmission time by a fourth preset time interval f4.

14. The method according to any one of claims 1 to 13, characterized in that, The perception density of the first set of configuration parameters is lower than that of the second set of configuration parameters.

15. A terminal, characterized in that, Includes memory, transceiver, and processor, among which, The memory is used to store computer programs; The transceiver is used to send and receive data under the control of the processor; The processor is configured to read the computer program in the memory and perform the following operations: Determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters; Partial sensing is performed using at least one set of partial sensing configuration parameters; When the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, the processor is configured to read the computer program in the memory and perform the following operations: When the terminal is in the DRX on duration active state (discontinuous DRX reception), the first set of configuration parameters is used for partial sensing; and when the terminal is in the DRX inactive duration state (DRX inactive state), the second set of configuration parameters is used for partial sensing.

16. The terminal as described in claim 15, characterized in that, Each set of partial sensing configuration parameters has a different sensing density.

17. The terminal as described in claim 15, characterized in that, When the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, the processor is configured to read the computer program in the memory and perform the following operations: During the period from the start of perception to the initial data transmission, partial perception is performed using the first set of configuration parameters and the second set of configuration parameters.

18. The terminal as described in claim 15, characterized in that, When the at least one set of partially perceptual configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, the processor is configured to read the computer program in the memory and perform the following operations: During the period from the start of sensing to the data retransmission time, partial sensing is performed using the first set of configuration parameters and the second set of configuration parameters.

19. The terminal as described in claim 15, characterized in that, When the at least one set of partially perceptual configuration parameters includes only the first set of configuration parameters or the second set of configuration parameters, the processor is configured to read the computer program in the memory and perform the following operations: During the period from the start of perception to the initial data transmission, partial perception is performed using either the first set of configuration parameters or the second set of configuration parameters.

20. The terminal as described in claim 15, characterized in that, When the at least one set of partially perceptual configuration parameters includes only the first set of configuration parameters or the second set of configuration parameters, the processor is configured to read the computer program in the memory and perform the following operations: During the period from the start of sensing to the time of data retransmission, partial sensing is performed using either the first set of configuration parameters or the second set of configuration parameters.

21. A terminal, characterized in that, include: The determining unit is used to determine at least one set of partial perception configuration parameters from at least two different sets of partial perception configuration parameters; A sensing unit, used to perform partial sensing using the at least one set of partial sensing configuration parameters; When the at least one set of partial sensing configuration parameters includes a first set of configuration parameters and a second set of configuration parameters, the sensing unit is further configured to use the first set of configuration parameters for partial sensing when in the DRX on duration active state of discontinuous DRX reception, and to use the second set of configuration parameters for partial sensing when in the DRX inactive duration state of DRX inactivity.

22. A processor-readable storage medium, characterized in that, The processor-readable storage medium stores a computer program for causing the processor to perform the method according to any one of claims 1 to 14.

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