A method and device used in a node for wireless communication

Abstract

The present application discloses a method and apparatus in a node used for wireless communication. The first node receives a first signaling, which is used to indicate a first reference power threshold; receives a second signaling, which is used to indicate a first power offset; performs a first channel measurement to determine whether the first air interface resource can be used for wireless signal transmission; if so, transmits a first wireless signal in the first air interface resource; if not, abandons wireless signal transmission in the first air interface resource; a first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset. The method in the present application can be applied to the scenario of automatic queuing driving, flexibly adjusting the threshold for the use of reserved resources by the fleet member vehicles, thereby achieving effective use of wireless resources.

Description

[0001] This application is a divisional application of the following original application:

[0002] -- Filing date of original application: November 26, 2018

[0003] --Original application number: 201811413640.X

[0004] --Title of the invention of the original application: A method and apparatus for use in a node for wireless communication Technical Field

[0005] The present application relates to a transmission method and apparatus in a wireless communication system, and in particular to a transmission scheme and apparatus related to sidelinks, multiple antennas, and broadband in wireless communications. Background Art

[0006] The application scenarios of future wireless communication systems are becoming increasingly diverse, and different scenarios place varying performance requirements on the systems. To meet these diverse performance demands, the 3GPP (3rd Generation Partner Project) RAN (Radio Access Network) plenary meeting #72 decided to conduct research on New Radio (NR) (or Fifth Generation, 5G). The NR Work Item (WI) was approved at the 3GPP RAN plenary meeting #75, initiating standardization work on NR.

[0007] In response to the rapidly growing vehicle-to-everything (V2X) sector, 3GPP has initiated standardization and research within the NR framework. 3GPP has completed the development of requirements for 5G V2X services, which have been incorporated into the TS22.886 standard. 3GPP has identified and defined four major use case groups for 5G V2X: vehicles platooning, extended sensing, advanced driving, and remote driving. Research on NR-based V2X technologies was initiated at the 3GPP RAN#80 plenary meeting. Summary of the Invention

[0008] To meet new business needs, compared to LTE V2X systems, NR V2X systems have higher throughput, higher reliability, lower latency, longer transmission distance, more accurate positioning, greater variability in packet size and transmission period, and key technical features that enable more effective coexistence with existing 3GPP and non-3GPP technologies. The existing LTE-V2X system's operating mode is limited to broadcast transmission, and its transmission mode and resource allocation methods are mainly targeted at long-term periodic services. As an important area in vertical industries, NR-V2X services must not only support multicast and unicast transmission, but also provide more flexible and bursty business capabilities.

[0009] To address the issue of NR V2X supporting non-periodic burst services, this application discloses a resource allocation solution. After the user device reserves periodic resources according to the traditional sensing method, the usage threshold of the reserved resources can be flexibly adjusted according to the business needs of the target user. In particular, in the scenario of automatic queuing driving, a fleet management vehicle (Group Manager) can reserve resources through long-term sensing and lower the resource usage threshold for the member vehicles (Groupmember) of the fleet, so that the vehicles of the fleet can use the resources reserved by the management vehicle, while excluding the occupation of vehicles outside the fleet, thereby providing a more flexible resource allocation method.

[0010] It should be noted that, in the absence of any conflict, the embodiments and features of the embodiments in the user equipment of this application can be applied to the base station, and vice versa. In the absence of any conflict, the embodiments and features of the embodiments of this application can be combined with each other in any way. Furthermore, although the original intention of this application is for single-carrier communication, this application can also be used for multi-carrier communication. Furthermore, although the original intention of this application is for single-antenna communication, this application can also be used for multi-antenna communication.

[0011] The present application discloses a method in a first node used for wireless communication, characterized by comprising:

[0012] receiving first signaling, where the first signaling is used to indicate a first reference power threshold;

[0013] receiving second signaling, where the second signaling is used to indicate a first power offset;

[0014] Performing a first channel measurement to determine whether the first air interface resource can be used for wireless signal transmission; if yes, transmitting the first wireless signal in the first air interface resource; if no, abandoning wireless signal transmission in the first air interface resource;

[0015] Among them, the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the position of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0016] As an embodiment, the problem to be solved by this application is: in the NR V2X system, the user equipment flexibly adjusts the usage threshold of reserved resources according to different business needs, thereby improving resource utilization efficiency.

[0017] As an embodiment, the characteristic of the above method is that an association is established between the first power offset and the first air interface resource.

[0018] As an embodiment, the characteristic of the above method is that an association is established between the first power threshold and the first power offset.

[0019] As an embodiment, the above method is characterized in that an association is established between the first channel measurement and the first power offset.

[0020] As an embodiment, the characteristic of the above method is that an association is established between the first power offset and the first identifier.

[0021] As an embodiment, the advantage of the above method is that the fleet management vehicle can reserve resources for member vehicles within the fleet and exclude the occupation of vehicles outside the fleet, thereby improving the normal operation of the signal quality automatic queuing driving working mode and realizing the effective use of wireless resources.

[0022] According to one aspect of the present application, the above method is characterized in that it includes:

[0023] receiving third signaling, wherein the third signaling is used to indicate the first power offset from N power offsets;

[0024] The second signaling includes N first-type control information, and the N first-type control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

[0025] According to one aspect of the present application, the above method is characterized in that the N first-type control information correspond one-to-one to N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

[0026] According to one aspect of the present application, the above method is characterized in that the N first-class control information correspond one-to-one to N first-class identifiers, the first identifier is a first-class identifier among the N first-class identifiers, and the first identifier is used to identify the first node.

[0027] According to one aspect of the present application, the above method is characterized in that it includes:

[0028] receiving first configuration information;

[0029] The first configuration information includes a first reference priority, and the first reference priority is used to determine the first reference power threshold.

[0030] According to one aspect of the present application, the above method is characterized in that the first node is a user equipment.

[0031] According to one aspect of the present application, the above method is characterized in that the first node is a relay node.

[0032] The present application discloses a method used in a second node of wireless communication, characterized by comprising:

[0033] Sending first signaling, where the first signaling is used to indicate a first reference power threshold;

[0034] sending second signaling, where the second signaling is used to indicate a first power offset;

[0035] In which, the first channel measurement is used to determine whether the first air interface resource can be used for wireless signal transmission; the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0036] According to one aspect of the present application, the above method is characterized in that it includes:

[0037] sending third signaling, where the third signaling is used to indicate the first power offset from among N power offsets;

[0038] The second signaling includes N first-type control information, and the N first-type control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

[0039] According to one aspect of the present application, the above method is characterized in that the N first-type control information correspond one-to-one to N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

[0040] According to one aspect of the present application, the above method is characterized in that the N first-class control information correspond one-to-one to N first-class identifiers, the first identifier is a first-class identifier among the N first-class identifiers, and the first identifier is used to identify the first node.

[0041] According to one aspect of the present application, the above method is characterized in that it includes:

[0042] The first wireless signal is received in the first air interface resource.

[0043] According to one aspect of the present application, the above method is characterized in that the second node is a user equipment.

[0044] According to one aspect of the present application, the above method is characterized in that the second node is a relay node.

[0045] The present application discloses a first node device used for wireless communication, characterized by comprising:

[0046] A first receiver module: receiving a first signaling, where the first signaling is used to indicate a first reference power threshold;

[0047] The first receiver module receives second signaling, where the second signaling is used to indicate a first power offset;

[0048] The first receiver module performs a first channel measurement to determine whether the first air interface resource can be used for wireless signal transmission; if yes, the first transmitter module transmits the first wireless signal in the first air interface resource; if not, the first transmitter module abandons wireless signal transmission in the first air interface resource;

[0049] Among them, the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the position of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0050] The present application discloses a second node device used for wireless communication, characterized by comprising:

[0051] The second transmitter module sends a first signaling, where the first signaling is used to indicate a first reference power threshold;

[0052] The second transmitter module sends a second signaling, where the second signaling is used to indicate a first power offset;

[0053] In which, the first channel measurement is used to determine whether the first air interface resource can be used for wireless signal transmission; the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0054] As an example, this application has the following advantages:

[0055] -The present application establishes an association between the first power offset and the first air interface resource.

[0056] - The present application establishes an association between a first power threshold and a first power offset.

[0057] - The present application establishes an association between the first channel measurement and a first power offset.

[0058] -This application establishes an association between the first power offset and the first identifier.

[0059] -In this application, the fleet management vehicle can reserve resources for member vehicles within the fleet and exclude the occupation of vehicles outside the fleet, thereby improving the normal operation of the automatic queuing driving working mode of the signal quality and realizing the efficient use of wireless resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0060] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0061] Figure 1 A processing flow chart of a first node according to an embodiment of the present application is shown;

[0062] Figure 2 A schematic diagram showing a network architecture according to an embodiment of the present application is shown;

[0063] Figure 3 A schematic diagram showing a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application is shown;

[0064] Figure 4 A schematic diagram showing a first node and a second node according to an embodiment of the present application is shown;

[0065] Figure 5 shows a wireless signal transmission flow chart according to an embodiment of the present application;

[0066] Figure 6 A schematic diagram of a time-frequency resource unit according to an embodiment of the present application is shown;

[0067] Figure 7 A schematic diagram showing the relationship between the second signaling and N pieces of first-category control information according to an embodiment of the present application;

[0068] Figure 8 A schematic diagram showing the relationship between N first-type control information, N first-type air interface resources, and the first air interface resource according to an embodiment of the present application;

[0069] Figure 9 A schematic diagram showing the relationship between N first-type control information, N first-type identifiers, and the first identifier according to an embodiment of the present application;

[0070] Figure 10 A schematic diagram illustrating the relationship between a first time window, a first channel measurement, a first air interface resource, and a first time-frequency resource set according to an embodiment of the present application is shown;

[0071] Figure 11 A schematic diagram showing the relationship between the first channel measurement and the first air interface resource according to an embodiment of the present application;

[0072] Figure 12 A flowchart of determining whether to send a first wireless signal in a first air interface resource according to an embodiment of the present application is shown;

[0073] Figure 13 A flowchart of performing first channel measurement according to an embodiment of the present application is shown;

[0074] Figure 14 A flowchart of performing first channel measurement according to an embodiment of the present application is shown;

[0075] Figure 15 A structural block diagram of a processing device used in a first node device according to an embodiment of the present application is shown;

[0076] Figure 16 A structural block diagram of a processing device used in a second node device according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0077] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

[0078] The following definitions given in this application can be used for all embodiments and features in this application:

[0079] The first type of channels includes at least one of BCH (Broadcast Channel), PBCH (Physical Broadcast Channel), PDCCH (Physical Downlink Control Channel), PDSCH (Physical Downlink Shared Channel), NPBCH (Narrowband Physical Broadcast Channel), NPDCCH (Narrowband Physical Downlink Control Channel) and NPDSCH (Narrowband Physical Downlink Shared Channel).

[0080] The second type of channels includes at least one of PRACH (Physical Random Access Channel), PUCCH (Physical Uplink Control Channel), PUSCH (Physical Uplink Shared Channel), NPRACH (Narrowband Physical Random Access Channel), NPUSCH (Narrowband Physical Uplink Shared Channel) and SPUCCH (Short Physical Uplink Control Channel).

[0081] The third type of channels includes at least one of SL-BCH (Sidelink Broadcast Channel), PSBCH (Physical Sidelink Broadcast Channel), PSDCH (Physical Sidelink Discovery Channel), PSCCH (Physical Sidelink Control Channel) and PSSCH (Physical Sidelink Shared Channel).

[0082] The first type of signals includes PSS (Primary Synchronization Signal), SSS (Secondary Synchronization Signal), SSB (Synchronization Singal / Physical Broadcast Channel, SS / PBCH block), NPSS (Narrowband Primary Synchronization Signal), NSSS (Narrowband Secondary Synchronization Signal), RS (Reference Signal), CSI-RS (Channel State Information-Reference Signal), DL DMRS (Downlink Demodulation Reference Signal), DS (Discovery Signal), NRS (Narrowband Reference Signal), PRS (Positioning Reference Signal), NPRS (Narrowband Positioning Reference Signal) and PT-RS (Phase-Tracking Reference Signal). Signal, phase tracking-reference signal).

[0083] The second type of signal includes at least one of a Preamble (preamble signal), an Uplink Demodulation Reference Signal (UL DMRS), a Sounding Reference Signal (SRS), and a Tracking Reference Signal (UL TRS).

[0084] The third type of signal includes at least one of SLSS (Sidelink Synchronization Signal), PSSS (Primary Sidelink Synchronization Signal), SSSS (Secondary Sidelink Synchronization Signal), SL DMRS (Sidelink Demodulation Reference Signal) and PSBCH-DMRS (PSBCH Demodulation Reference Signal).

[0085] As an embodiment, the third type of signal includes PSSS and SSSS.

[0086] As an embodiment, the third type of signal includes PSSS, SSSS and PSBCH.

[0087] The first preprocessing includes at least one of primary scrambling, transport block level CRC (Cyclic Redundancy Check) attachment, channel coding, rate matching, secondary scrambling, modulation, layer mapping, transform precoding, precoding, mapping to physical resources, baseband signal generation, modulation and upconversion.

[0088] As an embodiment, the first preprocessing is, in sequence, first-level scrambling, transport block-level CRC attachment, channel coding, rate matching, second-level scrambling, modulation, layer mapping, transform precoding, precoding, mapping to physical resources, baseband signal generation, modulation and up-conversion.

[0089] The second preprocessing includes at least one of transport block level CRC attachment, code block segmentation, code block level CRC attachment, channel coding, rate matching, code block concatenation, scrambling, modulation, layer mapping, antenna port mapping, mapping to virtual resource blocks, mapping from virtual to physical resource blocks, baseband signal generation, modulation and up-conversion.

[0090] As an embodiment, the second preprocessing is, in sequence, transport block level CRC attachment, coding block segmentation, coding block level CRC attachment, channel coding, rate matching, coding block concatenation, scrambling, modulation, layer mapping, antenna port mapping, mapping to virtual resource blocks, mapping from virtual resource blocks to physical resource blocks, baseband signal generation, modulation and up-conversion.

[0091] As an embodiment, the channel coding is based on polar codes.

[0092] As an embodiment, the channel coding is based on LDPC (Low-density Parity-Check) code.

[0093] Example 1

[0094] Example 1 illustrates a processing flow chart of the first node of an embodiment of the present application, as shown in the attached Figure 1 As shown. Figure 1 In the embodiment 1, each box represents a step. In the present application, the first node first receives a first signaling, where the first signaling is used to indicate a first reference power threshold; then receives a second signaling, where the second signaling is used to indicate a first power offset; then performs a first channel measurement to determine whether a first air interface resource can be used for wireless signal transmission; a first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; and the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0095] As an embodiment, if the first air interface resource can be used for sending a wireless signal, the first node sends a first wireless signal in the first air interface resource.

[0096] As an embodiment, if the first air interface resource cannot be used for wireless signal transmission, the first node abandons wireless signal transmission in the first air interface resource.

[0097] As an embodiment, the first signaling is transmitted through the third type channel in this application.

[0098] As an embodiment, the first signaling is transmitted through the first type channel in this application.

[0099] As an embodiment, the first signaling is transmitted via PSCCH.

[0100] As an embodiment, the first signaling is transmitted via PSSCH.

[0101] As an embodiment, the first signaling is transmitted via PDCCH.

[0102] As an embodiment, the first signaling is transmitted via PDSCH.

[0103] As an embodiment, the first signaling is broadcast transmitted.

[0104] As an embodiment, the first signaling is multicast transmitted.

[0105] As an embodiment, the first signaling is unicast transmitted.

[0106] As an embodiment, the first signaling is cell-specific.

[0107] As an embodiment, the first signaling is user equipment specific (UE-specific).

[0108] As an embodiment, the first signaling includes all or part of a higher layer (Higher Layer) signaling.

[0109] As an embodiment, the first signaling includes all or part of an RRC (Radio Resource Control) layer signaling.

[0110] As an embodiment, the first signaling includes one or more fields in an RRC IE (Information Element).

[0111] As an embodiment, the first signaling includes one or more fields in a SIB (System Information Block).

[0112] As an embodiment, the first signaling includes all or part of a MAC (Multimedia Access Control) layer signaling.

[0113] As an embodiment, the first signaling includes one or more fields in a MAC CE (Control Element).

[0114] As an embodiment, the first signaling includes one or more fields in a PHY (Physical) layer signaling.

[0115] As an embodiment, the first signaling includes one or more fields in an SCI (Sidelink Control Information).

[0116] As an embodiment, the first signaling includes one or more fields in an SCI format (sidelink control information format).

[0117] As an embodiment, the first signaling includes one or more fields in a UCI (Uplink Control Information, uplink control information).

[0118] As an embodiment, the specific definition of the SCI format refers to Section 5.4.3 in 3GPP TS36.212.

[0119] As an embodiment, the first signaling is semi-statically configured.

[0120] As an embodiment, the first signaling is dynamically configured.

[0121] As an embodiment, the first signaling directly indicates the first reference power threshold.

[0122] As an embodiment, the first signaling indirectly indicates the first reference power threshold.

[0123] As an embodiment, the first signaling includes a positive integer number of first-category power thresholds, and the first reference power threshold is a first-category power threshold among the positive integer number of first-category power thresholds.

[0124] As an embodiment, a positive integer number of first-category power thresholds are predefined, and the first reference power threshold is a first-category power threshold among the positive integer number of first-category power thresholds.

[0125] As an embodiment, the first signaling includes the index of the first reference power threshold among the positive integer first-category power thresholds.

[0126] As an embodiment, the first signaling includes a second reference priority, and the second reference priority is used to determine the first reference power threshold.

[0127] As an embodiment, the first signaling includes a second reference priority, and the second reference priority is used to determine the index of the first reference power threshold among the positive integer first-category power thresholds.

[0128] As an embodiment, the index of the first reference power threshold in the positive integer first-category power thresholds is directly proportional to the second reference priority.

[0129] As an embodiment, the first reference power threshold is used for sensing based UE autonomous resource selection.

[0130] As an embodiment, the unit of the first reference power threshold is dBm (millidecibels).

[0131] As an embodiment, the unit of the first reference power threshold is mW (milliwatt).

[0132] As an embodiment, the unit of any one of the positive integer first-category power thresholds is dBm.

[0133] As an embodiment, the unit of any one of the positive integer first-category power thresholds is mW.

[0134] As an embodiment, the positive integer first-category power thresholds include minus infinity dBm, -128 dBm, -126 dBm, -124 dBm, ..., -2 dBm, 0 dBm and infinity dBm.

[0135] As an embodiment, the relationship between the numerical value of any one of the positive integer first-class power thresholds and the index of the one first-class power threshold in the positive integer first-class power thresholds is: Th(i) = -128+(i-1)×2, where Th(i) is the numerical value of the one first-class power threshold, and i is the index of the one first-class power threshold in the positive integer first-class power thresholds.

[0136] As an embodiment, i is a positive integer from 1 to 65, and Th(i) is an even number from -128 to 0.

[0137] As an embodiment, when i is equal to 0, Th(i) is equal to negative infinity.

[0138] As an embodiment, when i is equal to 66, Th(i) is equal to infinity.

[0139] As an embodiment, the index of the first reference power threshold in the positive integer first-category power thresholds is an integer from 0 to 66.

[0140] As an embodiment, the value of the first reference power threshold is an even number from -128 to 0.

[0141] As an embodiment, the second reference priority indicates one or more priorities of a resource pool used for secondary link communication.

[0142] As an embodiment, the second reference priority indicates one or more priorities of a group of logical channels in the scheduled secondary link communication resources.

[0143] As an embodiment, the second reference priority is a positive integer from 1 to 8.

[0144] As an embodiment, the second signaling is transmitted through the third type channel in this application.

[0145] As an embodiment, the second signaling is transmitted through the first type channel in this application.

[0146] As an embodiment, the second signaling is transmitted via PSCCH.

[0147] As an embodiment, the second signaling is transmitted via PSSCH.

[0148] As an embodiment, the second signaling is transmitted via PDCCH.

[0149] As an embodiment, the second signaling is transmitted via PDSCH.

[0150] As an embodiment, the second signaling is broadcast transmitted.

[0151] As an embodiment, the second signaling is multicast transmitted.

[0152] As an embodiment, the second signaling is unicast transmitted.

[0153] As an embodiment, the second signaling is cell-specific.

[0154] As an embodiment, the second signaling is user equipment specific.

[0155] As an embodiment, the second signaling includes all or part of a higher layer signaling.

[0156] As an embodiment, the second signaling includes all or part of an RRC layer signaling.

[0157] As an embodiment, the second signaling includes one or more fields in an RRC IE.

[0158] As an embodiment, the second signaling includes one or more fields in a SIB.

[0159] As an embodiment, the second signaling includes all or part of a MAC layer signaling.

[0160] As an embodiment, the second signaling includes one or more fields in a MAC CE.

[0161] As an embodiment, the second signaling includes one or more fields in a PHY layer signaling.

[0162] As an embodiment, the second signaling includes one or more fields in an SCI.

[0163] As an embodiment, the second signaling includes one or more fields in an SCI format.

[0164] As an embodiment, the second signaling includes one or more fields in a UCI.

[0165] As an embodiment, the second signaling is semi-statically configured.

[0166] As an embodiment, the second signaling is dynamically configured.

[0167] As an embodiment, the second signaling directly indicates the first power offset.

[0168] As an embodiment, the second signaling indirectly indicates the first power offset.

[0169] As an embodiment, the second signaling includes a positive integer number of first-type power offsets, and the first power offset is a first-type power offset among the positive integer number of first-type power offsets.

[0170] As an embodiment, a positive integer number of first-class power offsets is predefined, the first power offset is a first-class power offset among the positive integer number of first-class power offsets, and the second signaling is used to indicate the index of the first power offset among the positive integer number of first-class power offsets.

[0171] As an embodiment, the second signaling includes a first priority, and the first priority is used to determine the first power offset.

[0172] As an embodiment, a positive integer number of first-class power offsets is predefined, the first power offset is a first-class power offset among the positive integer number of first-class power offsets, and the second signaling includes a first priority, which is used to determine the index of the first power offset among the positive integer number of first-class power offsets.

[0173] As an embodiment, the index of the first power offset in the positive integer first-category power offsets is directly proportional to the first priority.

[0174] As an embodiment, the first power offset is used for user equipment autonomous resource selection based on perception.

[0175] As an embodiment, the unit of the first power offset is dB (decibel).

[0176] As an embodiment, the unit of the first power offset is dBm.

[0177] As an embodiment, the unit of the first power offset is mW.

[0178] As an embodiment, the unit of the first power offset is a multiple.

[0179] As an embodiment, the unit of any one of the positive integer first-type power offsets is dBm.

[0180] As an embodiment, the unit of any one of the positive integer first-type power offsets is dB.

[0181] As an embodiment, the unit of any one of the positive integer first-category power offsets is mW.

[0182] As an embodiment, the positive integer first-type power offsets include -128dBm, -2dBm, 0dBm, 2dBm and 128dBm.

[0183] As an embodiment, the index of the first power offset in the positive integer first-type power offsets is an integer from 0 to 66.

[0184] As an embodiment, the value of the first power offset is an even number from -128 to +128.

[0185] As an embodiment, the first priority indicates one or more priorities of a resource pool used for secondary link communication.

[0186] As an embodiment, the first priority indicates one or more priorities of a group of logical channels in the scheduled secondary link communication resources.

[0187] As an embodiment, the first priority is an integer from -8 to 8.

[0188] As an embodiment, the first signaling and the second signaling belong to the same SCI.

[0189] As an embodiment, the first signaling and the second signaling are two domains included in the same SCI.

[0190] As an embodiment, the first signaling and the second signaling belong to different SCIs respectively.

[0191] As an embodiment, the first power threshold is used for user equipment autonomous resource selection based on perception.

[0192] As an embodiment, the unit of the first power threshold is dBm.

[0193] As an embodiment, the unit of the first power threshold is mW.

[0194] As an embodiment, the first power threshold is a first-category power threshold among the positive integer first-category power thresholds.

[0195] As an embodiment, the first power threshold is related to the first reference power threshold.

[0196] As an embodiment, the first power threshold is equal to the first reference power threshold.

[0197] As an embodiment, the first power threshold is directly proportional to the first reference power threshold.

[0198] As an embodiment, the first power threshold is related to the first power offset.

[0199] As an embodiment, the first power threshold is equal to the first power offset.

[0200] As an embodiment, the first power threshold is directly proportional to the first power offset.

[0201] As an embodiment, the first power threshold is related to the first reference power threshold and the first power offset.

[0202] As an embodiment, the first power threshold is determined by the first reference power threshold and the first power offset.

[0203] As an embodiment, the first power threshold is directly proportional to the first reference power threshold and the first power offset.

[0204] As an embodiment, the first power threshold is equal to the sum of the first reference power threshold and the first power offset.

[0205] As an embodiment, the first power threshold is equal to the difference between the first reference power threshold and the first power offset.

[0206] As an embodiment, the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0207] As an embodiment, the time domain position of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0208] As an embodiment, the frequency domain position of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0209] As an embodiment, the time domain position of the first air interface resource and the frequency domain position of the first air interface resource are jointly used to determine whether the first power threshold is related to the first power offset.

[0210] As an embodiment, the first air interface resource belongs to the third type channel in this application.

[0211] As an embodiment, the first air interface resource includes the third type channel in this application.

[0212] As an embodiment, the first air interface resource belongs to the second type channel in this application.

[0213] As an embodiment, the first air interface resource includes the second type channel in this application.

[0214] As an embodiment, the first air interface resource includes PSSCH.

[0215] As an embodiment, the first air interface resource belongs to PSSCH.

[0216] As an embodiment, the first air interface resource includes PSCCH.

[0217] As an embodiment, the first air interface resource belongs to PSCCH.

[0218] As an embodiment, the first air interface resources include PSCCH and PSSCH.

[0219] As an embodiment, the resource pool for the secondary link communication includes the first air interface resources.

[0220] As an embodiment, the first air interface resource includes X1 time domain units, where X1 is a positive integer.

[0221] As an embodiment, the first air interface resource includes Y1 frequency domain units, where Y1 is a positive integer.

[0222] As an embodiment, the first air interface resource includes Z1 time-frequency resource units, where Z1 is a positive integer.

[0223] As an embodiment, the position of the first air interface resource includes the time domain position of the first air interface resource.

[0224] As an embodiment, the time domain position of the first air interface resource includes a radio frame (Radio Frame) in which the first air interface resource is located.

[0225] As an embodiment, the time domain position of the first air interface resource includes the subframe where the first air interface resource is located.

[0226] As an embodiment, the time domain position of the first air interface resource includes the time slot (Slot) where the first air interface resource is located.

[0227] As an embodiment, the time domain position of the first air interface resource includes a multi-carrier symbol (Symbol) where the first air interface resource is located.

[0228] As an embodiment, the time domain position of the first air interface resource refers to the subframe (Subframe) where the first time domain unit of the X1 time domain units included in the first air interface resource is located.

[0229] As an embodiment, the time domain position of the first air interface resource refers to the time slot (Slot) where the first time domain unit among the X1 time domain units included in the first air interface resource is located.

[0230] As an embodiment, the time domain position of the first air interface resource refers to the multi-carrier symbol (Symbol) where the first time domain unit among the X1 time domain units included in the first air interface resource is located.

[0231] As an embodiment, the position of the first air interface resource includes the frequency domain position of the first air interface resource.

[0232] As an embodiment, the frequency domain position of the first air interface resource includes the carrier where the first air interface resource is located.

[0233] As an embodiment, the frequency domain position of the first air interface resource includes the BWP (Bandwidth Part) where the first air interface resource is located.

[0234] As an embodiment, the frequency domain position of the first air interface resource includes a subchannel where the first air interface resource is located.

[0235] As an embodiment, the frequency domain position of the first air interface resource includes the RB (Resource Block) where the first air interface resource is located.

[0236] As an embodiment, the frequency domain position of the first air interface resource includes a PRB (Physical Resource Block) where the first air interface resource is located.

[0237] As an embodiment, the frequency domain position of the first air interface resource includes the subcarrier where the first air interface resource is located.

[0238] As an embodiment, the frequency domain position of the first air interface resource refers to the carrier where the first frequency domain unit among the Y1 frequency domain units included in the first air interface resource is located.

[0239] As an embodiment, the frequency domain position of the first air interface resource refers to the BWP (Bandwidth Part) where the first frequency domain unit among the Y1 frequency domain units included in the first air interface resource is located.

[0240] As an embodiment, the frequency domain position of the first air interface resource refers to the subchannel (Subchannel) where the first frequency domain unit among the Y1 frequency domain units included in the first air interface resource is located.

[0241] As an embodiment, the frequency domain position of the first air interface resource refers to the RB (Resource Block) where the first frequency domain unit among the Y1 frequency domain units included in the first air interface resource is located.

[0242] As an embodiment, the frequency domain position of the first air interface resource refers to the PRB (Physical Resource Block) where the first frequency domain unit of the Y1 frequency domain units included in the first air interface resource is located.

[0243] As an embodiment, the frequency domain position of the first air interface resource refers to the subcarrier (Subcarrier) where the first frequency domain unit among the Y1 frequency domain units included in the first air interface resource is located.

[0244] As an embodiment, the position of the first air interface resource includes a time domain position of the first air interface resource and a frequency domain position of the first air interface resource.

[0245] As an embodiment, the location of the first air interface resource includes a multi-access signature of the first air interface resource.

[0246] As an embodiment, the first power threshold is used for the first channel measurement.

[0247] As an embodiment, the first channel measurement is used for user equipment autonomous resource selection based on perception.

[0248] As an embodiment, the result of the first channel measurement is the first channel quality; if the first channel quality is lower than the first power threshold, a first wireless signal is sent in the first air interface resource; if the first channel quality is higher than the first power threshold, wireless transmission is abandoned in the first air interface resource.

[0249] As a sub-embodiment of the above embodiment, if the first channel quality is equal to the first power threshold, a first wireless signal is sent in a first air interface resource.

[0250] As a sub-embodiment of the above embodiment, if the first channel quality is equal to the first power threshold, wireless transmission is abandoned in the first air interface resource.

[0251] As an embodiment, the first channel measurement includes multiple measurements; for each of the multiple measurements, if the measured channel quality is lower than the first power threshold, the wireless channel is considered idle; if the measured channel quality is higher than the first power threshold, the wireless channel is considered busy.

[0252] As a sub-embodiment of the above embodiment, if the measured channel quality is equal to the first power threshold, the wireless channel is considered idle.

[0253] As a sub-embodiment of the above embodiment, if the measured channel quality is equal to the first power threshold, the wireless channel is considered busy.

[0254] As an embodiment, the first wireless signal includes the second type signal in this application.

[0255] As an embodiment, the first wireless signal includes the third type signal in this application.

[0256] As an embodiment, the first wireless signal is transmitted on the second type channel in this application.

[0257] As an embodiment, the first wireless signal is transmitted on the third type channel in this application.

[0258] As an embodiment, the first wireless signal is transmitted on PSSCH.

[0259] As an embodiment, the first wireless signal is transmitted on PSCCH.

[0260] As an embodiment, the first wireless signal is transmitted on PSCCH and PSSCH.

[0261] As an embodiment, the first wireless signal is cell-specific.

[0262] As an embodiment, the first wireless signal is user equipment specific.

[0263] As an embodiment, the first wireless signal is broadcast transmitted.

[0264] As an embodiment, the first wireless signal is multicast transmitted.

[0265] As an embodiment, the first wireless signal is unicast transmitted.

[0266] As an embodiment, the first wireless signal includes all or part of a higher layer signaling.

[0267] As an embodiment, the first wireless signal includes all or part of an RRC layer signaling.

[0268] As an embodiment, the first wireless signal includes one or more fields in an RRC IE.

[0269] As an embodiment, the first wireless signal includes all or part of a MAC layer signaling.

[0270] As an embodiment, the first wireless signal includes one or more fields in a MAC CE.

[0271] As an embodiment, the first wireless signal includes one or more fields in a PHY layer.

[0272] As an embodiment, the first wireless signal includes one or more fields in an SCI.

[0273] As an embodiment, the first wireless signal includes one or more domains in a UCI.

[0274] As an embodiment, the first wireless signal includes one or more fields in a MIB (Master Information Block).

[0275] As an embodiment, the first wireless signal includes one or more fields in MIB-SL (Master Information Block-Secondary Link).

[0276] As an embodiment, the first wireless signal includes one or more fields in MIB-V2X-SL (Master Information Block for Secondary Link Vehicle Networking).

[0277] As an embodiment, the first wireless signal includes one or more fields in a SIB.

[0278] As an embodiment, the first wireless signal includes one or more fields in an SCI format.

[0279] As an embodiment, the first wireless signal includes a first bit block, and the first bit block includes a positive integer number of bits arranged in sequence.

[0280] As an embodiment, the first bit block includes a CB (Code Block).

[0281] As an embodiment, the first bit block includes a CBG (Code Block Group).

[0282] As an embodiment, the first bit block includes a TB (Transport Block).

[0283] As an embodiment, the first bit block is a TB obtained by attaching a transmission block level CRC.

[0284] As an embodiment, the first bit block is a TB that is sequentially subjected to transport block level CRC attachment, coding block segmentation, and coding block level CRC attachment to obtain a CB in the coding block.

[0285] As an embodiment, all or part of the bits of the first bit block are subjected to the first preprocessing in this application to obtain the first wireless signal.

[0286] As an embodiment, all or part of the bits of the first bit block are subjected to the second preprocessing in this application to obtain the first wireless signal.

[0287] As an embodiment, the first wireless signal is the output of all or part of the bits of the first bit block after the first preprocessing in this application.

[0288] As an embodiment, the first wireless signal is the output of all or part of the bits of the first bit block after the second preprocessing in this application.

[0289] As an embodiment, only the first bit block is used to generate the first wireless signal.

[0290] As an embodiment, a coding block other than the first bit block is also used to generate the first wireless signal.

[0291] As an embodiment, the first wireless signal does not include SCI.

[0292] As an embodiment, the first wireless signal does not include UCI.

[0293] As an embodiment, the subcarrier spacing of the subcarriers occupied by the first wireless signal in the frequency domain is one of 15kHz, 30kHz, 60kHz, 120kHz, 240kHz, 480kHz, and 960kHz.

[0294] As an embodiment, the number of multi-carrier symbols included in the first wireless signal in the time domain is one of 1 multi-carrier symbol, 2 multi-carrier symbols, 3 multi-carrier symbols, 4 multi-carrier symbols, 5 multi-carrier symbols, 6 multi-carrier symbols, 7 multi-carrier symbols, 11 multi-carrier symbols, 12 multi-carrier symbols, 13 multi-carrier symbols, and 14 multi-carrier symbols.

[0295] Example 2

[0296] Example 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in the attached Figure 2 shown.

[0297] Figure 2A diagram illustrates a network architecture 200 for 5G NR, LTE (Long-Term Evolution), and LTE-A (Long-Term Evolution Advanced) systems. 5G NR or LTE network architecture 200 may be referred to as an EPS (Evolved Packet System) 200 or some other suitable terminology. EPS 200 may include one or more UEs (User Equipment) 201, an NG-RAN (Next Generation Radio Access Network) 202, an EPC (Evolved Packet Core) / 5G-CN (5G-Core Network) 210, a Home Subscriber Server (HSS) 220, and Internet services 230. The EPS may interconnect with other access networks, but these entities / interfaces are not shown for simplicity. As shown, the EPS provides packet-switched services, but those skilled in the art will readily appreciate that the various concepts presented throughout this disclosure may be extended to networks providing circuit-switched services or other cellular networks. The NG-RAN includes an NR Node B (gNB) 203 and other gNBs 204. The gNB 203 provides user and control plane protocol termination towards the UE 201. The gNB 203 can be connected to other gNBs 204 via an Xn interface (e.g., backhaul). The gNB 203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a basic service set (BSS), an extended service set (ESS), a TRP (transmitter receive node), or some other suitable terminology. The gNB 203 provides an access point to the EPC / 5G-CN 210 for the UE 201. Examples of UE 201 include a cellular phone, a smartphone, a Session Initiation Protocol (SIP) phone, a laptop, a personal digital assistant (PDA), a satellite radio, non-terrestrial base station communications, satellite mobile communications, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., an MP3 player), a camera, a game console, a drone, an aircraft, a narrowband Internet of Things (NB-IoT) device, a machine-type communication device, a land vehicle, an automobile, a wearable device, or any other similarly functional device. Those skilled in the art may also refer to UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable terminology. The gNB 203 is connected to the EPC / 5G-CN 210 via an S1 / NG interface.The EPC / 5G-CN 210 includes the MME (Mobility Management Entity) / AMF (Authentication Management Field) / UPF (User Plane Function) 211, other MME / AMF / UPF 214, the S-GW (Service Gateway) 212, and the P-GW (Packet Data Network Gateway) 213. The MME / AMF / UPF 211 is the control node that handles signaling between the UE 201 and the EPC / 5G-CN 210. Generally, the MME / AMF / UPF 211 provides bearer and connection management. All user IP (Internet Protocol) packets are transmitted through the S-GW 212, which itself is connected to the P-GW 213. The P-GW 213 provides UE IP address allocation and other functions. The P-GW 213 is connected to the Internet service 230. Internet services 230 include operator-specific Internet protocol services, which may include the Internet, intranet, IMS (IP Multimedia Subsystem), and packet-switched streaming services.

[0298] As an embodiment, the first node in the present application includes the UE201.

[0299] As an embodiment, the second node in the present application includes the UE201.

[0300] As an embodiment, the user equipment in this application includes the UE201.

[0301] As an embodiment, the UE 201 supports secondary link transmission.

[0302] As an embodiment, the UE 201 supports the PC5 interface.

[0303] As an embodiment, the UE 201 supports the Uu interface.

[0304] As an embodiment, the UE 201 supports V2X services.

[0305] As an embodiment, the gNB203 supports the Uu interface.

[0306] As an embodiment, the gNB supports V2X services.

[0307] As an embodiment, the recipient of the first signaling in the present application includes the UE201.

[0308] As an embodiment, the recipient of the second signaling in the present application includes the UE201.

[0309] As an embodiment, the recipient of the third signaling in the present application includes the UE201.

[0310] As an embodiment, the sender of the first wireless signal in the present application includes the UE201.

[0311] As an embodiment, the recipient of the first configuration information in the present application includes the UE201.

[0312] As an embodiment, the sender of the first signaling in the present application includes the UE201.

[0313] As an embodiment, the sender of the second signaling in the present application includes the UE201.

[0314] As an embodiment, the sender of the third signaling in the present application includes the UE201.

[0315] As an embodiment, the receiver of the first wireless signal in the present application includes the UE201.

[0316] As an embodiment, the sender of the first configuration information in this application includes the UE201.

[0317] As an embodiment, the sender of the third signaling in the present application includes the UE201.

[0318] As an embodiment, the sender of the first configuration information in this application includes the gNB203.

[0319] As an embodiment, the sender of the third signaling in this application includes the gNB203.

[0320] Example 3

[0321] Example 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in the attached figure. Figure 3 shown.

[0322] Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, Figure 3The radio protocol architecture for user equipment (UE) and base station equipment (gNB or eNB) is presented in three layers: Layer 1, Layer 2, and Layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. Layers above Layer 1 belong to higher layers. The L1 layer will be referred to as PHY 301 in this document. Layer 2 (L2 layer) 305 is above PHY 301 and is responsible for the link between the user equipment and the base station equipment via PHY 301. In the user plane, L2 layer 305 includes the MAC (Medium Access Control) sublayer 302, the RLC (Radio Link Control) sublayer 303, and the PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the base station equipment on the network side. Although not shown, a user equipment (UE) may have several upper layers above the L2 layer 305, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., a remote UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and supports handover of UEs between base stations. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ (Hybrid Automatic Repeat Request). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) within a cell among UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for user equipment and base station equipment is generally the same for the physical layer 301 and layer 2 305, but without the header compression function used in the control plane. The control plane also includes the RRC (Radio Resource Control) sublayer 306 in layer 3 (L3 layer). The RRC sublayer 306 is responsible for obtaining radio resources (i.e., radio bearers) and configuring lower layers using RRC signaling between the base station equipment and user equipment.

[0323] As an example, Figure 3 The wireless protocol architecture in is applicable to the first node in this application.

[0324] As an example, Figure 3The wireless protocol architecture in is applicable to the second node in this application.

[0325] As an embodiment, the first signaling in this application is generated in the PHY301.

[0326] As an embodiment, the second signaling in the present application is generated in the PHY301.

[0327] As an embodiment, the third signaling in the present application is generated in the RRC sublayer 306.

[0328] As an embodiment, the first wireless signal in the present application is generated by the PHY301.

[0329] As an embodiment, the first wireless signal in the present application is generated in the RRC sublayer 306.

[0330] As an embodiment, the first configuration information in this application is generated in the RRC sublayer 306.

[0331] Example 4

[0332] Example 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in the attached figure. Figure 4 shown. Figure 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.

[0333] The first communications device 410 includes a controller / processor 475 , a memory 476 , a receive processor 470 , a transmit processor 416 , a multi-antenna receive processor 472 , a multi-antenna transmit processor 471 , a transmitter / receiver 418 , and an antenna 420 .

[0334] The second communication device 450 includes a controller / processor 459 , a memory 460 , a data source 467 , a transmit processor 468 , a receive processor 456 , a multi-antenna transmit processor 457 , a multi-antenna receive processor 458 , a transmitter / receiver 454 and an antenna 452 .

[0335] During transmission from the first communication device 410 to the second communication device 450, at the first communication device 410, upper layer data packets from the core network are provided to the controller / processor 475. The controller / processor 475 implements L2 layer functionality. During transmission from the first communication device 410 to the first communication device 450, the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and allocation of radio resources to the second communication device 450 based on various priority metrics. The controller / processor 475 is also responsible for retransmission of lost packets and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, as well as mapping of signal constellations based on various modulation schemes (e.g., binary phase-shift keying (BPSK), quadrature phase-shift keying (QPSK), M-phase-shift keying (M-PSK), and M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based and non-codebook-based precoding, and beamforming on the coded and modulated symbols to generate one or more spatial streams. The transmit processor 416 then maps each spatial stream to a subcarrier, multiplexes it with a reference signal (e.g., a pilot) in the time and / or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate a physical channel carrying the time-domain multicarrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding / beamforming operations on the time-domain multicarrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, and then provides it to a different antenna 420.

[0336] During transmission from the first communications device 410 to the second communications device 450, each receiver 454 at the second communications device 450 receives a signal via its corresponding antenna 452. Each receiver 454 recovers the information modulated onto the RF carrier and converts the RF stream into a baseband multi-carrier symbol stream, which is provided to the receive processor 456. The receive processor 456 and the multi-antenna receive processor 458 implement various L1 signal processing functions. The multi-antenna receive processor 458 performs receive analog precoding / beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. The receive processor 456 converts the baseband multi-carrier symbol stream, after the receive analog precoding / beamforming operations, from the time domain to the frequency domain using a fast Fourier transform (FFT). In the frequency domain, the receive processor 456 demultiplexes the physical layer data signal and reference signal, where the reference signal is used for channel estimation. The data signal undergoes multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the second communications device 450. The symbols on each spatial stream are demodulated and recovered in the receive processor 456, and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the first communications device 410 on the physical channel. The upper layer data and control signals are then provided to the controller / processor 459. The controller / processor 459 implements the functions of the L2 layer. The controller / processor 459 may be associated with a memory 460 that stores program code and data. The memory 460 may be referred to as a computer-readable medium. During transmission from the first communications device 410 to the second communications device 450, the controller / processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover upper layer data packets from the core network. The upper layer data packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to the L3 layer for L3 processing.

[0337] During transmission from the second communication device 450 to the first communication device 410, a data source 467 is used at the second communication device 450 to provide upper layer data packets to the controller / processor 459. The data source 467 represents all protocol layers above the L2 layer. Similar to the transmission functionality at the first communication device 410 described in the transmission from the first communication device 410 to the second communication device 450, the controller / processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, implementing L2 layer functions for the user plane and control plane. The controller / processor 459 is also responsible for retransmission of lost packets and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping and channel coding, while the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based and non-codebook-based precoding, and beamforming. The transmit processor 468 then modulates the resulting spatial stream into a multi-carrier / single-carrier symbol stream. After analog precoding and beamforming operations in the multi-antenna transmit processor 457, the stream is provided to different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a RF symbol stream before providing it to the antenna 452.

[0338] During transmission from the second communication device 450 to the first communication device 410, the functionality at the first communication device 410 is similar to the reception functionality at the second communication device 450 described for transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives RF signals via its corresponding antenna 420, converts the received RF signals into baseband signals, and provides the baseband signals to the multi-antenna receive processor 472 and the receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement L1 layer functionality. The controller / processor 475 implements L2 layer functionality. The controller / processor 475 may be associated with a memory 476 storing program codes and data. The memory 476 may be referred to as a computer-readable medium. During transmission from the second communication device 450 to the first communication device 410, the controller / processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover upper layer data packets from the UE 450. Upper layer packets from controller / processor 475 may be provided to the core network.

[0339] As an embodiment, the first node in the present application includes the second communication device 450 , and the second node in the present application includes the first communication device 410 .

[0340] As a sub-embodiment of the above embodiment, the first node is a user equipment, and the second node is a user equipment.

[0341] As a sub-embodiment of the above embodiment, the first node is a user equipment, and the second node is a relay node.

[0342] As a sub-embodiment of the above embodiment, the first node is a relay node, and the second node is user equipment.

[0343] As a sub-embodiment of the above embodiment, the second communication device 450 includes: at least one controller / processor; the at least one controller / processor is responsible for HARQ operation.

[0344] As a sub-embodiment of the above embodiment, the first communication device 410 includes: at least one controller / processor; the at least one controller / processor is responsible for using an acknowledgment (ACK) and / or negative acknowledgment (NACK) protocol for error detection to support HARQ operations.

[0345] As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor. The second communication device 450 device at least: receives first signaling, the first signaling is used to indicate a first reference power threshold; receives second signaling, the second signaling is used to indicate a first power offset; performs a first channel measurement to determine whether a first air interface resource can be used for wireless signal transmission; if so, transmits a first wireless signal in the first air interface resource; if not, abandons wireless signal transmission in the first air interface resource; wherein a first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; and the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0346] As an embodiment, the second communication device 450 includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates actions when executed by at least one processor, the actions including: receiving a first signaling, wherein the first signaling is used to indicate a first reference power threshold; receiving a second signaling, wherein the second signaling is used to indicate a first power offset; performing a first channel measurement to determine whether the first air interface resource can be used for wireless signal transmission; if yes, transmitting a first wireless signal in the first air interface resource; if not, abandoning wireless signal transmission in the first air interface resource; wherein the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0347] As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor. The first communication device 410 device at least: sends first signaling, the first signaling being used to indicate a first reference power threshold; sends second signaling, the second signaling being used to indicate a first power offset; wherein a first channel measurement is used to determine whether a first air interface resource can be used for wireless signal transmission; a first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; and the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0348] As an embodiment, the first communication device 410 includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates an action when executed by at least one processor, the action including: sending a first signaling, wherein the first signaling is used to indicate a first reference power threshold; sending a second signaling, wherein the second signaling is used to indicate a first power offset; wherein a first channel measurement is used to determine whether a first air interface resource can be used for wireless signal transmission; a first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; and the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0349] As an embodiment, at least one of {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller / processor 459, the memory 460, the data source 467} is used to receive the first signaling in this application.

[0350] As an embodiment, at least one of {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller / processor 459, the memory 460, the data source 467} is used to receive the second signaling in this application.

[0351] As an embodiment, at least one of {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller / processor 459, the memory 460, the data source 467} is used in the present application to perform the first channel measurement to determine whether the first air interface resource can be used for wireless signal transmission.

[0352] As an embodiment, at least one of {the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller / processor 459, the memory 460, the data source 467} is used in this application to send the first wireless signal in the first air interface resource.

[0353] As an embodiment, at least one of {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller / processor 459, the memory 460, the data source 467} is used to receive the third signaling in this application.

[0354] As an embodiment, at least one of {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller / processor 459, the memory 460, the data source 467} is used to receive the first configuration information in this application.

[0355] As an embodiment, at least one of {the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller / processor 475, the memory 476} is used to send the first signaling in this application.

[0356] As an embodiment, at least one of {the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller / processor 475, the memory 476} is used to send the second signaling in this application.

[0357] As an embodiment, at least one of {the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller / processor 475, the memory 476} is used in this application to receive the first wireless signal in the first air interface resource.

[0358] As an embodiment, at least one of {the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller / processor 475, the memory 476} is used to send the third signaling in this application.

[0359] As an embodiment, at least one of {the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller / processor 475, the memory 476} is used to send the first configuration information in this application.

[0360] Example 5

[0361] Example 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in the attached figure. Figure 5 As shown in the attached Figure 5 In the example, the first node U1 and the second node U2 are communication nodes transmitted via the secondary link. Figure 5 , the steps in the dotted box F0 are optional.

[0362] for The first node U1 , receiving first configuration information in step S11; receiving first signaling in step S12; receiving second signaling in step S13; receiving third signaling in step S14; performing first channel measurement in step S15 to determine whether the first air interface resource can be used for wireless signal transmission; and sending a first wireless signal in the first air interface resource in step S16.

[0363] for The second node U2 , sending a first signaling in step S21; sending a second signaling in step S22; sending a third signaling in step S23; and receiving a first wireless signal in the first air interface resource in step S24.

[0364] In embodiment 5, the first configuration information includes a first reference priority, which is used to determine a first reference power threshold; the first signaling is used to indicate a first reference power threshold; the second signaling is used to indicate a first power offset; the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset; the third signaling is used to indicate the first power offset from N power offsets; the second signaling includes N first-class control information, and the N first-class control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

[0365] As an embodiment, the first air interface resource cannot be used for wireless signal transmission, and the first node U1 gives up wireless signal transmission in the first air interface resource.

[0366] As an embodiment, the N first-type control information correspond one-to-one to N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

[0367] As an embodiment, the N first-type control information correspond one-to-one to N first-type identifiers, the first identifier is one of the N first-type identifiers, and the first identifier is used to identify the first node U1.

[0368] As an example, Figure 5 The steps in box F0 exist.

[0369] As an example, Figure 5 The step in box F0 does not exist.

[0370] As an embodiment, if the first node U1 determines that the first air interface resource cannot be used for wireless signal transmission, Figure 5 The step in box F0 does not exist.

[0371] As an embodiment, if the first node U1 determines that the first air interface resource can be used for wireless signal transmission, Figure 5 exists in box F0 in .

[0372] As an embodiment, the first node U1 determines the first air interface resource by itself.

[0373] As an embodiment, the first node U1 determines the first air interface resource based on signal perception.

[0374] As an embodiment, the first node U1 is configured with the first air interface resources.

[0375] As an embodiment, the first air interface resource is scheduled to the first node U1.

[0376] As an embodiment, the first time-frequency resource set includes a positive integer number of time-frequency resource units, and the first time-frequency resource set includes the first air interface resource.

[0377] As an embodiment, the first air interface resource includes a time-frequency resource unit with the smallest first channel quality in the first time-frequency resource set.

[0378] As an embodiment, the first air interface resource includes a time-frequency resource unit corresponding to the minimum index in the first time-frequency resource set.

[0379] As an embodiment, the signal sensing refers to coherently receiving the wireless signal using an RS sequence corresponding to the DMRS of the wireless signal, and measuring the energy of the signal obtained after the coherent reception.

[0380] As an embodiment, the signal sensing refers to receiving the energy of the wireless signal and averaging it over time to obtain the received energy.

[0381] As an embodiment, the signal sensing refers to determining whether the decoding is correct based on the CRC bits after the wireless signal is received based on blind detection.

[0382] As an embodiment, the first configuration information is transmitted via a wireless signal.

[0383] As an embodiment, the first configuration information is transmitted through the Uu interface.

[0384] As an embodiment, the first configuration information is transmitted by the cell network where the first node U1 is located.

[0385] As an embodiment, the first configuration information is pre-configured.

[0386] As an embodiment, the first configuration information is transferred from a higher layer of the first node U1 to the physical layer of the first node U1.

[0387] As an embodiment, the first configuration information is transmitted within the first node U1.

[0388] As an embodiment, the first configuration information is transmitted through the first type channel in this application.

[0389] As an embodiment, the first configuration information is transmitted by broadcast.

[0390] As an embodiment, the first configuration information is multicast transmitted.

[0391] As an embodiment, the first configuration information is unicast transmitted.

[0392] As an embodiment, the first configuration information is cell-specific.

[0393] As an embodiment, the first configuration information is user equipment specific.

[0394] As an embodiment, the first configuration information includes all or part of a higher layer signaling.

[0395] As an embodiment, the first configuration information includes all or part of an RRC layer signaling.

[0396] As an embodiment, the first configuration information includes one or more fields in an RRC IE.

[0397] As an embodiment, the first configuration information includes one or more fields in a DCI (Downlink Control Information).

[0398] As an embodiment, the first configuration information is semi-statically configured.

[0399] As an embodiment, the first configuration information is dynamically configured.

[0400] As an embodiment, the first configuration information includes a first reference priority, and the first reference priority is used to determine the first reference power threshold.

[0401] As an embodiment, the first signaling includes a first reference priority, and the first reference priority is used to determine the index of the first reference power threshold among the positive integer first-category power thresholds.

[0402] As an embodiment, the first configuration information includes a first reference priority, and the first reference priority is used to determine the first power threshold.

[0403] As an embodiment, the index of the first reference power threshold in the positive integer first-category power thresholds is directly proportional to the first reference priority.

[0404] As an embodiment, the first reference priority and the second reference priority are used together to determine the first reference power threshold.

[0405] As an embodiment, the index of the first reference power threshold in the positive integer first-category power thresholds is in direct proportion to the first reference priority and the second reference priority.

[0406] As an embodiment, the first reference threshold is the index of the positive integer first-class power thresholds, and the first reference priority and the second reference priority satisfy the proportional relationship: i=a×8+b+1, where i is the index of the first reference threshold in the positive integer first-class power thresholds, a is the second reference priority, and b is the first reference priority.

[0407] As an embodiment, the first reference priority indicates one or more priorities of a resource pool used for secondary link communication.

[0408] As an embodiment, the first reference priority indicates one or more priorities of a group of logical channels in the scheduled secondary link communication resources.

[0409] As an embodiment, the first reference priority is a positive integer from 1 to 8.

[0410] As an embodiment, the first reference priority, the second reference priority and the first power offset are used together to determine the first power threshold.

[0411] As an embodiment, the first reference priority and the first priority are used together to determine the index of the first power threshold among the positive integer first-category power thresholds.

[0412] As an embodiment, the first reference priority, the second reference priority and the first priority are used together to determine the index of the first power threshold among the positive integer first-category power thresholds.

[0413] Example 6

[0414] Example 6 illustrates a schematic diagram of a time-frequency resource unit according to an embodiment of the present application, as shown in the attached figure. Figure 6 As shown in the attached Figure 6 In the figure, the dashed square represents RE (Resource Element, resource particle), and the bold square represents a time-frequency resource unit. Figure 6 In the example, a time-frequency resource unit occupies K subcarriers in the frequency domain and L multicarrier symbols in the time domain, where K and L are positive integers. Figure 7 In the equation, t1, t2, …, t LRepresents the L symbols, f1, f2, ..., f K Represents the K subcarriers.

[0415] In embodiment 6, one time-frequency resource unit occupies K subcarriers (Subcarrier) in the frequency domain and occupies L multicarrier symbols (Symbol) in the time domain, where K and L are positive integers.

[0416] As an embodiment, K is equal to 12.

[0417] As an embodiment, K is equal to 72.

[0418] As an embodiment, K is equal to 127.

[0419] As an embodiment, K is equal to 240.

[0420] As an embodiment, L is equal to 1.

[0421] As an embodiment, L is equal to 2.

[0422] As an embodiment, L is not greater than 14.

[0423] As an embodiment, any one of the L multi-carrier symbols is at least one of an FDMA (Frequency Division Multiple Access) symbol, an OFDM (Orthogonal Frequency Division Multiplexing) symbol, an SC-FDMA (Single-Carrier Frequency Division Multiple Access), a DFTS-OFDM (Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing), a FBMC (Filter Bank Multi-Carrier) symbol, and an IFDMA (Interleaved Frequency Division Multiple Access) symbol.

[0424] As an embodiment, one time domain unit among the X1 time domain units includes a positive integer number of radio frames.

[0425] As an embodiment, one time domain unit among the X1 time domain units is a radio frame.

[0426] As an embodiment, one time domain unit among the X1 time domain units includes a positive integer number of subframes.

[0427] As an embodiment, one time domain unit among the X1 time domain units is a subframe.

[0428] As an embodiment, one time domain unit among the X1 time domain units includes a positive integer number of time slots.

[0429] As an embodiment, one time domain unit among the X1 time domain units is a time slot.

[0430] As an embodiment, one time domain unit among the X1 time domain units includes a positive integer number of multi-carrier symbols (Symbol).

[0431] As an embodiment, one time domain unit among the X1 time domain units is a multi-carrier symbol.

[0432] As an embodiment, one frequency domain unit among the Y1 frequency domain units includes a positive integer number of carriers.

[0433] As an embodiment, one frequency domain unit among the Y1 frequency domain units is a carrier.

[0434] As an embodiment, one frequency domain unit among the Y1 frequency domain units includes a positive integer number of BWPs (Bandwidth Parts).

[0435] As an embodiment, one frequency domain unit among the Y1 frequency domain units is a BWP.

[0436] As an embodiment, one frequency domain unit among the Y1 frequency domain units includes a positive integer number of subchannels.

[0437] As an embodiment, one frequency domain unit among the Y1 frequency domain units is a sub-channel.

[0438] As an embodiment, one sub-channel includes a positive integer number of RBs (Resource Blocks).

[0439] As an embodiment, the number of RBs included in one sub-channel is variable.

[0440] As an embodiment, the RB includes a positive integer number of subcarriers in the frequency domain.

[0441] As an embodiment, the RB includes 12 subcarriers in the frequency domain.

[0442] As an embodiment, the sub-channel includes a positive integer number of PRBs (Physical Resource Blocks).

[0443] As an embodiment, the number of PRBs included in one sub-channel is variable.

[0444] As an embodiment, the PRB includes a positive integer number of subcarriers in the frequency domain.

[0445] As an embodiment, the PRB includes 12 subcarriers in the frequency domain.

[0446] As an embodiment, one frequency domain unit among the Y1 frequency domain units includes a positive integer number of RBs.

[0447] As an embodiment, one frequency domain unit among the Y1 frequency domain units is an RB.

[0448] As an embodiment, one frequency domain unit among the Y1 frequency domain units includes a positive integer number of PRBs.

[0449] As an embodiment, one frequency domain unit among the Y1 frequency domain units is a PRB.

[0450] As an embodiment, one frequency domain unit among the Y1 frequency domain units includes a positive integer number of subcarriers.

[0451] As an embodiment, one frequency domain unit among the Y1 frequency domain units is a subcarrier.

[0452] As an embodiment, the time-frequency resource unit includes R REs, where R is a positive integer.

[0453] As an embodiment, the time-frequency resource unit is composed of R REs, where R is a positive integer.

[0454] As an embodiment, any one of the R REs occupies one multi-carrier symbol in the time domain and one subcarrier in the frequency domain.

[0455] As an embodiment, the unit of the subcarrier spacing of the RE is Hz (Hertz).

[0456] As an embodiment, the unit of the subcarrier spacing of the RE is kHz (Kilohertz).

[0457] As an embodiment, the unit of the subcarrier spacing of the RE is MHz (Megahertz).

[0458] As an embodiment, the unit of the symbol length of the multi-carrier symbol of the RE is a sampling point.

[0459] As an embodiment, the unit of the symbol length of the multi-carrier symbol of the RE is microseconds (us).

[0460] As an embodiment, the unit of the symbol length of the multi-carrier symbol of the RE is millisecond (ms).

[0461] As an embodiment, the subcarrier spacing of the RE is at least one of 1.25kHz, 2.5kHz, 5kHz, 15kHz, 30kHz, 60kHz, 120kHz and 240kHz.

[0462] As an embodiment, the product of K and L of the time-frequency resource unit is not less than R.

[0463] As an embodiment, the time-frequency resource unit does not include RE allocated to GP (Guard Period).

[0464] As an embodiment, the time-frequency resource unit does not include RE allocated to RS (Reference Signal).

[0465] As an embodiment, the time-frequency resource unit does not include REs allocated to the first type of signal in this application.

[0466] As an embodiment, the time-frequency resource unit does not include REs allocated to the first type of channel in this application.

[0467] As an embodiment, the time-frequency resource unit does not include RE allocated to the second type signal in this application.

[0468] As an embodiment, the time-frequency resource unit does not include REs allocated to the second type channel in this application.

[0469] As an embodiment, the time-frequency resource unit includes a positive integer number of RBs.

[0470] As an embodiment, the time-frequency resource unit belongs to one RB.

[0471] As an embodiment, the time-frequency resource unit is equal to one RB in the frequency domain.

[0472] As an embodiment, the time-frequency resource unit includes 6 RBs in the frequency domain.

[0473] As an embodiment, the time-frequency resource unit includes 20 RBs in the frequency domain.

[0474] As an embodiment, the time-frequency resource unit includes a positive integer number of PRBs.

[0475] As an embodiment, the time-frequency resource unit belongs to a PRB.

[0476] As an embodiment, the time-frequency resource unit is equal to one PRB in the frequency domain.

[0477] As an embodiment, the time-frequency resource unit includes a positive integer number of VRBs (Virtual Resource Blocks).

[0478] As an embodiment, the time-frequency resource unit belongs to a VRB.

[0479] As an embodiment, the time-frequency resource unit is equal to a VRB in the frequency domain.

[0480] As an embodiment, the time-frequency resource unit includes a positive integer number of PRB pairs (Physical Resource Block pairs).

[0481] As an embodiment, the time-frequency resource unit belongs to a PRB pair.

[0482] As an embodiment, the time-frequency resource unit is equal to a PRB pair in the frequency domain.

[0483] As an embodiment, the time-frequency resource unit includes a positive integer number of radio frames.

[0484] As an embodiment, the time-frequency resource unit belongs to a radio frame.

[0485] As an embodiment, the time-frequency resource unit is equal to a radio frame in the time domain.

[0486] As an embodiment, the time-frequency resource unit includes a positive integer number of subframes.

[0487] As an embodiment, the time-frequency resource unit belongs to a subframe.

[0488] As an embodiment, the time-frequency resource unit is equal to a subframe in the time domain.

[0489] As an embodiment, the time-frequency resource unit includes a positive integer number of time slots.

[0490] As an embodiment, the time-frequency resource unit belongs to a time slot.

[0491] As an embodiment, the time-frequency resource unit is equal to a time slot in the time domain.

[0492] As an embodiment, the time-frequency resource unit includes a positive integer number of Symbols.

[0493] As an embodiment, the time-frequency resource unit belongs to a Symbol.

[0494] As an embodiment, the time-frequency resource unit is equal to a Symbol in the time domain.

[0495] As an embodiment, the time-frequency resource unit belongs to the third type of signal in this application.

[0496] As an embodiment, the time-frequency resource unit belongs to the third type of channel in this application.

[0497] As an embodiment, the duration of the time domain unit in the present application is equal to the duration of the time domain resources occupied by the time-frequency resource unit in the present application.

[0498] Example 7

[0499] Example 7 illustrates a schematic diagram of the relationship between the second signaling and N first-type control information according to an embodiment of the present application, as shown in the attached figure. Figure 7 As shown in the attached Figure 7 In the figure, the large solid line box represents the second signaling in this application; the dotted line box represents any one of the N first-type control information in this application.

[0500] In embodiment 7, the second signaling includes the N first-type control information, and the N first-type control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one power offset among the N power offsets.

[0501] As an embodiment, the N first-category control information belong to a positive integer number of fields included in the second signaling.

[0502] As an embodiment, the N first-type control information are respectively N different fields in the second signaling.

[0503] As an embodiment, the N first-type control information are N different IEs in the same RRC signaling.

[0504] As an embodiment, the N first-type control information are respectively N different fields in the same IE in the same RRC signaling.

[0505] As an embodiment, the N first-type control information are N different CEs in the same MAC signaling.

[0506] As an embodiment, the N first-type control information are respectively N different fields in the same CE in the same MAC signaling.

[0507] As an embodiment, the N first-category control information are respectively N different fields in the same SCI.

[0508] As an embodiment, at least one of the N first-type control information is semi-statically configured.

[0509] As an embodiment, any one of the N first-type control information is semi-statically configured.

[0510] As an embodiment, at least one of the N first-type control information is dynamically configured.

[0511] As an embodiment, any one of the N first-category control information is dynamically configured.

[0512] As an embodiment, the N first-type control information are respectively used to directly indicate the N power offsets.

[0513] As an embodiment, the N first-type control information are respectively used to indirectly indicate the N power offsets.

[0514] As an embodiment, the unit of any power offset among the N power offsets is dB.

[0515] As an embodiment, the unit of any power offset among the N power offsets is dBm.

[0516] As an embodiment, the unit of any power offset among the N power offsets is mW.

[0517] As an embodiment, the unit of any power offset among the N power offsets is a multiple.

[0518] As an embodiment, any one of the N power offsets is a first-category power offset among the positive integer first-category power offsets.

[0519] As an embodiment, any one of the N first-type control information includes a power offset among the N power offsets.

[0520] As an embodiment, any one of the N first-type control information includes an index of one of the N power offsets in the positive integer first-type power offsets.

[0521] As an embodiment, the second signaling includes the N first-type control information, the N first-type control information are respectively used to indicate N first-type priorities, and the N first-type priorities are respectively used to determine the N power offsets.

[0522] As an embodiment, any one of the N first-class priorities is a positive integer from 1 to 8.

[0523] As an embodiment, the first priority is a first-class priority among the N first-class priorities.

[0524] As an embodiment, any one of the N first-class priorities is used to determine the index of one of the N power offsets in the positive integer first-class power offsets.

[0525] As an embodiment, any one of the N first-class priorities is in direct proportion to the index of one of the N power offsets in the positive integer first-class power offsets.

[0526] As an embodiment, the second signaling includes the N first-type control information, and the N first-type control information are respectively used to indicate N first-type priority differences, and the N first-type priority differences are respectively used to determine the N power offsets.

[0527] As an embodiment, the first priority difference is a first-category priority difference among the N first-category priority differences.

[0528] As an embodiment, any one of the N first-class priority difference values ​​is used to determine the index of one of the N power offsets in the positive integer first-class power offsets.

[0529] As an embodiment, the third signaling is transmitted via PSCCH.

[0530] As an embodiment, the third signaling is transmitted via PSSCH.

[0531] As an embodiment, the third signaling is transmitted via PDCCH.

[0532] As an embodiment, the third signaling is transmitted via PDSCH.

[0533] As an embodiment, the third signaling is multicast transmitted.

[0534] As an embodiment, the third signaling is unicast transmitted.

[0535] As an embodiment, the third signaling is user equipment specific.

[0536] As an embodiment, the third signaling includes all or part of a higher layer signaling.

[0537] As an embodiment, the third signaling includes all or part of an RRC layer signaling.

[0538] As an embodiment, the third signaling includes one or more fields in an RRC IE.

[0539] As an embodiment, the third signaling is semi-statically configured.

[0540] As an embodiment, the third signaling is dynamically configured.

[0541] As an embodiment, the third signaling is used to indicate the first power offset directly from the N power offsets.

[0542] As an embodiment, the third signaling is used to indirectly indicate the first power offset from the N power offsets.

[0543] As an embodiment, the third signaling includes the location of the first air interface resource.

[0544] As an embodiment, the third signaling includes the time domain position of the first air interface resource.

[0545] As an embodiment, the third signaling includes the frequency domain position of the first air interface resource.

[0546] As an embodiment, the third signaling includes the time domain position of the first air interface resource and the frequency domain position of the first air interface resource.

[0547] As an embodiment, the third signaling includes the first power offset.

[0548] As an embodiment, the third signaling includes the index of the first power offset among the N power offsets.

[0549] As an embodiment, the third signaling is used to indicate a first priority from the N first-category priorities, and the first priority is used to determine the first power offset.

[0550] As an embodiment, the first priority is directly proportional to the first power offset.

[0551] As an embodiment, the third signaling includes the index of the first priority among the N first-category priorities.

[0552] As an embodiment, the third signaling is used to indicate a first priority difference value from the N first-category priority difference values, and the first priority difference value is used to determine the first power offset.

[0553] As an embodiment, the third signaling includes the index of the first priority difference value among the N first-category priority differences.

[0554] As an embodiment, the third signaling includes a bitmap, the bitmap includes a positive integer number of bits, and the positive integer number of bits included in the bitmap corresponds one-to-one to the N power offsets respectively.

[0555] As a sub-embodiment of the above embodiment, if a bit in the bit map is "1", it means that a power offset corresponding to the bit in the N power offsets is positive; if a bit in the bit map is "0", it means that a power offset corresponding to the bit in the N power offsets is negative.

[0556] Example 8

[0557] Embodiment 8 illustrates a schematic diagram of the relationship between N first-type control information, N first-type air interface resources, and the first air interface resource according to an embodiment of the present application, as shown in the attached figure. Figure 8 As shown in the attached Figure 8 In the figure, the large dotted box represents the first time-frequency resource set in this application; the solid box represents any one of the N first-class air interface resources in this application; the solid box filled with diagonal stripes represents the first air interface resource in this application.

[0558] In Example 8, the N first-type control information in this application correspond one-to-one to N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

[0559] As an embodiment, the first time-frequency resource set includes the third type channel in this application.

[0560] As an embodiment, the first time-frequency resource set includes PSCCH.

[0561] As an embodiment, the first time-frequency resource set includes PSSCH.

[0562] As an embodiment, the first time-frequency resource set includes PSDCH.

[0563] As an embodiment, the first time-frequency resource set includes PSCCH and PSSCH.

[0564] As an embodiment, the first time-frequency resource set includes X2 time domain units, where X2 is a positive integer.

[0565] As an embodiment, the first time-frequency resource set includes Y2 frequency domain units, where Y2 is a positive integer.

[0566] As an embodiment, the first time-frequency resource set includes Z2 time-frequency resource units, where Z2 is a positive integer.

[0567] As an embodiment, the first time-frequency resource set includes the first air interface resource.

[0568] As an embodiment, the first time-frequency resource set includes the N first-category air interface resources, and the first air interface resource is a first-category air interface resource among the N first-category air interface resources.

[0569] As an embodiment, the first time-frequency resource set is configured by higher-layer signaling of the first node.

[0570] As an embodiment, the first time-frequency resource set is pre-configured.

[0571] As an embodiment, the first time-frequency resource set is configured by the cell network to which the first node belongs.

[0572] As an embodiment, any first-type air interface resource among the N first-type air interface resources includes PSCCH.

[0573] As an embodiment, any first-type air interface resource among the N first-type air interface resources includes PSSCH.

[0574] As an embodiment, any first-category air interface resource among the N first-category air interface resources includes PSDCH.

[0575] As an embodiment, any first-type air interface resource among the N first-type air interface resources includes PSCCH and PSSCH.

[0576] As an embodiment, the N first-type air interface resources are configured by higher-layer signaling of the first node.

[0577] As an embodiment, the N first-category air interface resources are pre-configured.

[0578] As an embodiment, the N first-category air interface resources are obtained through measurement of the first channel.

[0579] As an embodiment, the N first-category air interface resources are configured by the cell network to which the first node belongs.

[0580] As an embodiment, the N first-category air interface resources are acquired based on autonomous resource selection of the user equipment based on perception.

[0581] As an embodiment, the N power offsets correspond one-to-one to the N first-type air interface resources respectively.

[0582] As an embodiment, the first time-frequency resource set includes the N first-type air interface resources.

[0583] As an embodiment, the first time-frequency resource set belongs to the resource pool of the secondary link communication.

[0584] As an embodiment, any one of the N first-type air interface resources includes a positive integer number of time-frequency resource units.

[0585] As an embodiment, the N first-type air interface resources include at least two first-type air interface resources, and the numbers of time-frequency resource units included in the two first-type air interface resources are different.

[0586] As an embodiment, the number of time-frequency resource units included in all the first-type air interface resources in the N first-type air interface resources is equal.

[0587] As an embodiment, at least two first-type air interface resources included in the N first-type air interface resources are orthogonal in the time domain.

[0588] As an embodiment, at least two first-type air interface resources included in the N first-type air interface resources overlap in the time domain.

[0589] As an embodiment, at least two first-type air interface resources included in the N first-type air interface resources are orthogonal in the frequency domain.

[0590] As an embodiment, at least two first-type air interface resources included in the N first-type air interface resources overlap in the frequency domain.

[0591] As an embodiment, the first air interface resource is a first-category air interface resource among the N first-category air interface resources.

[0592] As an embodiment, any one of the N first-type control information includes one first-type air interface resource among the N first-type air interface resources.

[0593] As an embodiment, any one of the N first-type control information includes a time domain resource of a first-type air interface resource among the N first-type air interface resources.

[0594] As an embodiment, any one of the N first-type control information includes the time slot number of the first time domain unit in one of the N first-type air interface resources.

[0595] As an embodiment, any one of the N first-type control information includes a frequency domain resource of a first-type air interface resource among the N first-type air interface resources.

[0596] As an embodiment, any one of the N first-type control information includes a subchannel number in one of the N first-type air interface resources.

[0597] As an embodiment, any one of the N first-type control information includes a time-frequency resource unit of a first-type air interface resource among the N first-type air interface resources.

[0598] As an embodiment, any one of the N first-type control information includes an index of one of the N first-type air interface resources in the N first-type air interface resources.

[0599] As an embodiment, any one of the N first-type control information includes an index of a first-type air interface resource among the N first-type air interface resources in the first time-frequency resource set.

[0600] Example 9

[0601] Example 9 illustrates a schematic diagram of the relationship between N first-type control information, N first-type identifiers, and the first identifier according to an embodiment of the present application, as shown in the attached figure. Figure 9 As shown in the attached Figure 9 In the embodiment, each of the N first-category identifiers is used to identify a user equipment.

[0602] In Example 9, the N first-category control information in this application corresponds one-to-one to N first-category identifiers, and the first identifier is one of the N first-category identifiers.

[0603] As an embodiment, the N first-category identifiers are used to identify N nodes respectively.

[0604] As an embodiment, any one of the N first-category identifiers is a RNTI (Radio Network Temporary Identifier).

[0605] As an embodiment, any one of the N first-category identifiers is a C-RNTI (CellRNTI, Cell Radio Network Temporary Identifier).

[0606] As an embodiment, any one of the N first-category identifiers is a TC-RNTI (Temporal C-RNTI, temporary cell radio network temporary identifier).

[0607] As an embodiment, any one of the N first-category identifiers is a RA-RNTI (Radio Access RNTI, random access radio network temporary identifier).

[0608] As an embodiment, any one of the N first-category identifiers is an IMSI (International Mobile Subscriber Identifier).

[0609] As an embodiment, any one of the N first-category identifiers is an IMEI (International Mobile Equipment Identifier).

[0610] As an embodiment, any one of the N first-category identifiers is a TMSI (Temporary Mobile Station Identifier).

[0611] As an embodiment, any one of the N first-category identifiers is an S-TMSI (System Architecture Evolution-TMSI, System Architecture Evolution-Temporary Mobile Station Identity).

[0612] As an embodiment, any one of the N first-category identifiers is a LMSI (Local Mobile Station Identifier).

[0613] As an embodiment, any one of the N first-category identifiers is a GUTI (Globally Unique Temporary User Equipment Identifier).

[0614] As an embodiment, any one of the N first-category identifiers is a non-negative integer.

[0615] As an embodiment, any one of the N first-category identifiers includes a positive integer number of binary bits.

[0616] As an embodiment, any one of the N first-category identifiers is specific to the user equipment.

[0617] As an embodiment, any one of the N first-category identifiers is specific to a user equipment group, and the user equipment group includes a positive integer number of user equipments.

[0618] As an embodiment, any one of the N first-type control information includes a first-type identifier among the N first-type identifiers.

[0619] As an embodiment, any one of the N first-type control information includes an index of one of the N first-type identifiers in the N first-type identifiers.

[0620] As an embodiment, the first identifier is used to identify the first node.

[0621] As an embodiment, the first identifier is used to identify a positive integer number of nodes, and the first node is one of the positive integer number of nodes.

[0622] As an embodiment, the first identifier is used to identify the sender of the first wireless signal.

[0623] As an embodiment, the first identifier is used to identify a sequence of wireless signals.

[0624] As an embodiment, the first identifier is used to generate a scrambling sequence for scrambling a wireless signal.

[0625] As an embodiment, the first identifier is configured by a higher layer signaling.

[0626] As an embodiment, the first identifier is configured by a physical layer signaling.

[0627] As an embodiment, the first identifier is configured by RRC layer signaling.

[0628] As an embodiment, the first identifier is configured by MAC layer signaling.

[0629] As an embodiment, the first identifier is configured by DCI signaling.

[0630] As an embodiment, the first identifier is semi-statically configured.

[0631] As an embodiment, the first identifier is dynamically configured.

[0632] As an embodiment, the first identifier is RNTI.

[0633] As an embodiment, the first identifier is C-RNTI.

[0634] As an embodiment, the first identifier is TC-RNTI.

[0635] As an embodiment, the first identifier is RA-RNTI.

[0636] As an embodiment, the first identifier is an IMSI.

[0637] As an embodiment, the first identifier is IMEI.

[0638] As an embodiment, the first identifier is TMSI.

[0639] As an embodiment, the first identifier is S-TMSI.

[0640] As an embodiment, the first identifier is LMSI.

[0641] As an embodiment, the first identifier is GUTI.

[0642] As an embodiment, the first identifier is not less than 0 and not greater than 2 30 An integer.

[0643] As an embodiment, the first identifier is a 16-bit binary non-negative integer.

[0644] As an embodiment, the number of bits included in the first identifier is less than 9.

[0645] As an embodiment, the number of bits included in the first identifier is less than 16.

[0646] As an embodiment, the number of bits included in the first identifier is configurable.

[0647] As an embodiment, the number of bits included in the first identifier is fixed.

[0648] As an embodiment, the first identifier is specific to the user equipment.

[0649] As an embodiment, the first identifier is specific to a user equipment group, and the user equipment group includes a positive integer number of user equipment

[0650] As an embodiment, the third signaling directly includes the first identifier.

[0651] As an embodiment, the third signaling indirectly includes the first identifier.

[0652] As an embodiment, the third signaling includes the index of the first identifier among the N first-category identifiers.

[0653] As an embodiment, the first identifier is used to scramble the third signaling.

[0654] As an embodiment, the first identifier is used to identify the sequence of the third signaling.

[0655] As an embodiment, the first identifier is used to generate a DMRS for the third signaling.

[0656] Example 10

[0657] Example 10 illustrates a schematic diagram of the relationship between the first time window, the first channel measurement, the first air interface resource and the first time-frequency resource set according to an embodiment of the present application, as shown in the attached figure. Figure 10 As shown in the attached Figure 10 In the figure, the large solid box with thick lines represents the first time-frequency resource set in this application; each small solid box represents a time-frequency resource unit; the small solid box with diagonal filling represents the time-frequency resource unit within the first time window in this application; the small solid box with diagonal square filling represents the first air interface resource in this application; the arc arrow line indicates that the time-frequency resource unit in the first time-frequency resource set corresponds to the time-frequency resource unit within the first time window; the continuous straight arrow indicates that the first channel measurement is performed.

[0658] In embodiment 10, Q first-class signals are detected on Q first-class time-frequency resource units within a first time window, where Q is a positive integer; the detection results of the Q first-class signals are used to determine whether the first air interface resource can be used for wireless signal transmission, the Q first-class time-frequency resource units within the first time window correspond to the first air interface resource, and the first time-frequency resource set includes the first air interface resource in this application; the end time of the first time window is no later than the start time of the first air interface resource.

[0659] As an embodiment, the Q first-type signals are respectively transmitted on the Q first-type time-frequency resource units, the Q first-type time-frequency resource units are within the first time window, and Q is a positive integer.

[0660] As an embodiment, the duration of any first-category time-frequency resource unit among the Q first-category time-frequency resource units in the time domain is the same.

[0661] As an embodiment, the Q first-type time-frequency resource units are continuous in the time domain.

[0662] As an embodiment, at least two first-category time-frequency resource units among the Q first-category time-frequency resource units are discontinuous in time.

[0663] As an embodiment, the duration of the first time window is 1000 milliseconds.

[0664] As an embodiment, the Q first-type time-frequency resource units include T time domain units in the time domain, and T is a positive integer not greater than the Q.

[0665] As an embodiment, the Q first-type time-frequency resource units include W frequency domain units in the frequency domain, and W is a positive integer not greater than Q.

[0666] As an embodiment, the first time window is orthogonal to the N first-type air interface resources in the time domain.

[0667] As an embodiment, the first time window overlaps with the N first-type air interface resources in the time domain.

[0668] As an embodiment, the first time window does not include the N first-type air interface resources.

[0669] As an embodiment, the first time window and the first time-frequency resource set are orthogonal in the time domain.

[0670] As an embodiment, the Q first-type time-frequency resource units are orthogonal to the N first-type air interface resources.

[0671] As an embodiment, the Q first-type time-frequency resource units overlap with the N first-type air interface resources.

[0672] As an embodiment, the Q first-category time-frequency resource units do not include any first-category air interface resource among the N first-category air interface resources.

[0673] As an embodiment, the Q first-category time-frequency resource units corresponding to the first air interface resource means that the Q first-category time-frequency resource units and the first air interface resource occupy the same frequency domain unit.

[0674] As an embodiment, the Q first-category time-frequency resource units correspond to the first air interface resource, which means that the Q first-category time-frequency resource units overlap with the first air interface resource in the frequency domain.

[0675] As an embodiment, the correspondence between the Q first-class time-frequency resource units and the first air interface resource means that: the time domain units occupied by the Q first-class time-frequency resource units, and the time domain unit occupied by the last first-class time-frequency resource unit among the Q first-class time-frequency resource units and the time domain unit occupied by the first air interface resource are all separated by a given time domain deviation.

[0676] As an embodiment, the given time domain offset includes a positive integer number of time domain units.

[0677] As an embodiment, the correspondence between the Q first-class time-frequency resource units and the first air interface resource means that: the frequency domain units occupied by the Q first-class time-frequency resource units, and the frequency domain unit occupied by the last first-class time-frequency resource unit in the Q first-class time-frequency resource units and the frequency domain unit occupied by the second time-frequency resource unit are all separated by a given frequency domain deviation.

[0678] As an embodiment, the given frequency domain offset includes a positive integer number of frequency domain units.

[0679] As an embodiment, the correspondence between the Q first-class time-frequency resource units and the first air interface resource means that: the Q first-class time-frequency resource units and the first air interface resource occupy the same frequency domain unit; the time domain units occupied by the Q first-class time-frequency resource units, and the time domain unit occupied by the last first-class time-frequency resource unit in the Q first-class time-frequency resource units and the time domain unit occupied by the first air interface resource are separated by a given time domain deviation.

[0680] As an embodiment, the correspondence between the Q first-class time-frequency resource units and the first air interface resource means that: the Q first-class time-frequency resource units overlap with the first air interface resource in the frequency domain; the time domain units occupied by the Q first-class time-frequency resource units, and the time domain unit occupied by the last first-class time-frequency resource unit in the Q first-class time-frequency resource units and the time domain unit occupied by the first air interface resource are separated by a given time domain deviation.

[0681] As an embodiment, any one of the Q first-category signals includes SCI.

[0682] As an embodiment, any one of the Q first-category signals includes a bit block.

[0683] As an embodiment, any one of the Q first-category signals includes an SCI and a bit block.

[0684] As a sub-embodiment of the above embodiment, the bit block includes a CB.

[0685] As a sub-embodiment of the above embodiment, the bit block includes a CBG.

[0686] As a sub-embodiment of the above embodiment, the bit block includes a TB.

[0687] As an embodiment, the first channel measurement refers to detecting the Q first-type signals respectively on the Q first-type time-frequency resource units within the first time window, and the result of the first channel measurement is the detection result of the Q first-type signals.

[0688] As an embodiment, the first target signal is any one of the Q first-class signals, and the first target signal includes a first target control signaling and a second bit block. Performing the detection on the first target signal means: receiving the first target control signaling and performing a decoding operation, and then detecting the RSRP (Reference Signal Receiving Power) of the second bit block from the time-frequency resources specified by the first target control signaling.

[0689] As an embodiment, the first target signal is any one of the Q first-class signals, and the first target signal includes a first target control signaling and a second bit block. Performing the detection on the first target signal means: receiving the first target control signaling and performing a decoding operation, and then detecting the energy of the second bit block from the time-frequency resources specified by the first target control signaling.

[0690] As an embodiment, the detection refers to reception based on blind detection, that is, the first node receives the signal within the first time window and performs a decoding operation.

[0691] As an embodiment, the detection refers to reception based on coherent detection, that is, the first node coherently receives the wireless signal using the RS sequence corresponding to the DMRS of the Q first-class signals within the first time window, and measures the energy of the signal obtained after the coherent reception.

[0692] As an embodiment, the detection refers to reception based on energy detection, that is, the first node senses (Senses) the energy of the wireless signal within the first time window and averages it over time to obtain received energy.

[0693] As an embodiment, the detection includes measuring RSSI (Received Signal Strength Indicator) of the Q first-category signals.

[0694] As an embodiment, the detection includes blind detection of a mathematical structure (Numerology) adopted by the Q first-category signals.

[0695] As an embodiment, the detection includes blind detection of the subcarrier spacing of the subcarriers occupied by the Q first-category signals.

[0696] As an embodiment, the detection includes blind detection of the number of multi-carrier symbols occupied by the Q first-category signals.

[0697] As an embodiment, the detection includes blind detection of the length of a cyclic prefix (CP) of the multi-carrier symbols occupied by the Q first-type signals.

[0698] As an embodiment, the detection refers to reception based on coherent detection, that is, the first node coherently receives the wireless signal using the RS sequence corresponding to the DMRS of the Q first-class signals within the first time window, and measures the energy of the signal obtained after the coherent reception.

[0699] As an embodiment, the detection result of any one first-category signal among the Q first-category signals includes the channel quality of the one first-category signal.

[0700] As an embodiment, the detection result of any one first-category signal among the Q first-category signals includes the RSRP of the one first-category signal.

[0701] As an embodiment, the detection result of any one of the Q first-category signals includes energy detection of a DMRS of the one first-category signal.

[0702] As an embodiment, the detection result of any one of the Q first-category signals includes a result of a CRC check after decoding the one first-category signal.

[0703] As an embodiment, the detection result of any one of the Q first-category signals includes an SNR (Signal-to-Noise Ratio) of the one first-category signal.

[0704] As an embodiment, the detection result of any one of the Q first-category signals includes an SINR (Signal-to-Interference-Noise Ratio) of the one first-category signal.

[0705] As an embodiment, the detection results of the Q first-category signals include linear filtering of the detection results of all first-category signals in the Q first-category signals.

[0706] As an embodiment, the detection results of the Q first-category signals include a linear average of the detection results of all first-category signals in the Q first-category signals.

[0707] As an embodiment, the detection result of the Q first-category signals includes a linear average of RSRP values ​​of all first-category signals in the Q first-category signals.

[0708] As an embodiment, the detection result of the Q first-category signals includes linear filtering of RSRPs of all first-category signals in the Q first-category signals.

[0709] As an embodiment, the detection results of the Q first-category signals include a linear average of the RSRP value of each first-category signal in the Q first-category signals.

[0710] As an embodiment, the detection result of the Q first-category signals includes linear filtering of the RSRP of each of the Q first-category signals.

[0711] As an embodiment, the detection results of the Q first-category signals are lower than the first power threshold, and the first time-frequency resource set includes the first air interface resource.

[0712] As an embodiment, the detection results of the Q first-category signals are higher than the first power threshold, and the first time-frequency resource set does not include the first air interface resource.

[0713] As an embodiment, the detection results of the Q first-category signals are equal to the first power threshold, and the first time-frequency resource set includes the first air interface resource.

[0714] As an embodiment, the detection results of the Q first-category signals are equal to the first power threshold, and the first time-frequency resource set does not include the first air interface resource.

[0715] As an embodiment, the detection results of the Q first-category signals are lower than the first power threshold, and the first wireless signal is sent in the first air interface resource.

[0716] As an embodiment, the detection results of the Q first-category signals are higher than the first power threshold, and sending of wireless signals in the first air interface resource is abandoned.

[0717] As an embodiment, the detection results of the Q first-category signals are equal to the first power threshold, and the first wireless signal is sent in the first air interface resource.

[0718] As an embodiment, the detection results of the Q first-category signals are equal to the first power threshold, and sending of wireless signals in the first air interface resource is abandoned.

[0719] Example 11

[0720] Example 11 illustrates a schematic diagram of the relationship between the first channel measurement and the first air interface resource according to an embodiment of the present application, as shown in the attached figure. Figure 11 shown.

[0721] In embodiment 11, a first signal is detected in a first air interface resource in the present application, and a detection result of the first signal is used to determine whether the first air interface resource can be used for wireless signal transmission.

[0722] As an embodiment, the first signal is a first type signal among the Q first type signals, and the first signal is transmitted on the first air interface resource.

[0723] As an embodiment, the first signal occupies part of the time-frequency resources in the first air interface resources.

[0724] As an embodiment, the time-frequency resources occupied by the first signal in the first air interface resources are earlier than other time-frequency resources in the first air interface resources.

[0725] As an embodiment, the time domain units occupied by the first signal in the first air interface resource are all earlier than other time domain units in the first air interface resource.

[0726] As an embodiment, the detection result of the first signal is lower than the first power threshold, and the first wireless signal is sent in the first air interface resource.

[0727] As an embodiment, the detection result of the first signal is higher than the first power threshold, and sending the wireless signal in the first air interface resource is abandoned.

[0728] As an embodiment, the detection result of the first signal is equal to the first power threshold, and the first wireless signal is sent in the first air interface resource.

[0729] As an embodiment, the detection result of the first signal is equal to the first power threshold, and sending the wireless signal in the first air interface resource is abandoned.

[0730] As an embodiment, the detection result of the first signal includes the channel quality of the first signal.

[0731] As an embodiment, the detection result of the first signal includes the RSRP of the first signal.

[0732] As an embodiment, the detection result of the first signal includes energy detection of the DMRS of the first signal.

[0733] As an embodiment, the detection result of the first signal includes a result of CRC check after decoding the first signal.

[0734] As an embodiment, the detection result of the first signal includes an SNR (Signal-to-Noise Ratio) of the first signal.

[0735] As an embodiment, the detection result of the first signal includes a SINR (Signal-to-Interference-Noise Ratio) of the first signal.

[0736] Example 12

[0737] Example 12 illustrates a flowchart of determining whether to send a first wireless signal in a first air interface resource according to an embodiment of the present application, as shown in the attached figure. Figure 12 As shown in the attached Figure 10In step S1201, a first reference power value is determined; in step S1202, N power offsets are determined, where N is a positive integer greater than 1; in step S1203, a first power offset is determined; in step S1204, a first air interface resource is determined; in step S1205, a first power threshold is determined; in step S1206, a first channel measurement is performed; in step S1207, it is determined whether the first air interface resource can be used for wireless signal transmission; if so, a first wireless signal is transmitted in the first air interface resource in step S1208; if not, wireless signal transmission in the first air interface resource is abandoned in step S1209.

[0738] In Example 12, the first signaling in this application is used to indicate the first reference power value; the second signaling in this application includes N first-type control information, and the N first-type control information are used to indicate the N power offsets; the third signaling in this application is used to indicate the first power offset from the N power offsets; the first power offset and the first reference power threshold are used to jointly determine the first power threshold; the result of the first channel measurement is used to determine whether the first air interface resource can be used for wireless signal transmission.

[0739] As an embodiment, the first power threshold is a linear function of the first reference power threshold and the first power offset.

[0740] As an embodiment, the first power threshold is the sum of the first reference power threshold and the first power offset.

[0741] As an embodiment, the first power threshold is the difference between the first reference power threshold and the first power offset.

[0742] As an embodiment, the first power threshold is the product of the first reference power threshold and the first power offset.

[0743] As an embodiment, the first power offset is a multiple of the first power threshold relative to the first reference power threshold.

[0744] As an embodiment, the first power offset is the quotient of the first power threshold and the first reference power threshold.

[0745] As an embodiment, the first power offset is the logarithm of the quotient of the first power threshold and the first reference power threshold.

[0746] Example 13

[0747] Example 13 illustrates a flowchart of performing the first channel measurement according to an embodiment of the present application, as shown in the attached figure. Figure 13 As shown in the attached Figure 13 In step S1301, the first node determines a first time window and a first air interface resource, and detects Q first type signals on Q first type time-frequency resource units within the first time window respectively; in step S1302, a first power threshold is determined; in step S1303, a first time-frequency resource set is determined, and the first time-frequency resource set includes a first air interface resource; in step S1304, for the first air interface resource in the first time-frequency resource set, it is determined whether to move out of the first time-frequency resource set; in step S1305, it is determined whether the number of time domain units included in the updated first time-frequency resource set (that is, the first time-frequency resource set after the execution of step S1304 is completed) is greater than M1; if not, the first power threshold is updated in step S1306, and then the process jumps to step S1303; if yes, the second time-frequency resource set is determined from the latest first time-frequency resource set in step S1307.

[0748] In embodiment 13, in step S1304, the latest first power threshold is used to determine whether the first air interface resource in the first time-frequency resource set is removed from the first time-frequency resource set.

[0749] As an embodiment, the first channel measurement in the present application is performed to determine whether the second time-frequency resource set can be used for wireless signal transmission, and the second time-frequency resource set includes the first air interface resource.

[0750] As an embodiment, the determination of whether the first air interface resource can be used for wireless signal transmission in the present application includes determining whether the second time-frequency resource set can be used for wireless signal transmission, and the first air interface resource belongs to the second time-frequency resource set.

[0751] As an embodiment, the first channel measurement in the present application is performed to determine whether the second time-frequency resource set can be used for wireless signal transmission, and the second time-frequency resource set does not include the first air interface resource.

[0752] As an embodiment, the determination of whether the first air interface resource can be used for wireless signal transmission in the present application includes determining whether the second time-frequency resource set can be used for wireless signal transmission, the second time-frequency resource set includes the first air interface resource, and determining whether the first air interface resource can be used for wireless signal transmission from the second time-frequency resource set.

[0753] As a sub-embodiment of the above embodiment, the first node independently selects the first air interface resource from the second time-frequency resource set.

[0754] As a sub-embodiment of the above embodiment, the first node is instructed to select the first air interface resource from the second time-frequency resource set.

[0755] As an embodiment, the second time-frequency resource set includes the third type channel in this application.

[0756] As an embodiment, the second time-frequency resource set includes PSCCH.

[0757] As an embodiment, the second time-frequency resource set includes PSSCH.

[0758] As an embodiment, the second time-frequency resource set includes PSDCH.

[0759] As an embodiment, the second time-frequency resource set includes PSCCH and PSSCH.

[0760] As an embodiment, the second time-frequency resource set includes X3 time domain units, where X3 is a positive integer not greater than X2.

[0761] As an embodiment, the second time-frequency resource set includes Y3 frequency domain units, and Y3 is a positive integer that is not greater than Y2.

[0762] As an embodiment, the second time-frequency resource set includes Z3 time-frequency resource units, and Z3 is not greater than Z2 and is a positive integer.

[0763] As an embodiment, the first time-frequency resource set includes the second time-frequency resource set.

[0764] As an embodiment, the second time-frequency resource set includes the first air interface resource.

[0765] As an embodiment, the second time-frequency resource set does not include the first air interface resource.

[0766] As an embodiment, the first time-frequency resource set includes the second time-frequency resource set and the first air interface resource, and the second time-frequency resource set does not include the first air interface resource.

[0767] As an embodiment, the first time-frequency resource set includes the second time-frequency resource set, and the second time-frequency resource set includes the first air interface resource.

[0768] As an embodiment, the number of second-type time-frequency resource sub-pools included in any two time-domain units in the first time-frequency resource set is the same.

[0769] As an embodiment, any two second-category time-frequency resource sub-pools in the first time-frequency resource set that are located in the same time domain unit are orthogonal in the frequency domain (ie, have no overlap).

[0770] As an embodiment, in step S1306, the updated first power threshold is increased by 3 dB (decibel) compared to the first power threshold before updating.

[0771] As an embodiment, in step S1306, the updated first power threshold is increased by 6 dB (decibel) compared to the first power threshold before updating.

[0772] As an embodiment, in step S1306, the updated first power threshold is increased by WdB (decibel) compared to the first power threshold before updating, where W is configurable.

[0773] As an embodiment, in step S1304, for the time domain unit occupied by the first air interface resource, if the first node fails to perform the first channel measurement in the Q first-class time-frequency resource units within the first time window, the Q first-class time-frequency resource units correspond to the first air interface resource, and the time domain unit occupied by the first air interface resource in the first time-frequency resource set is removed from the first time-frequency resource set.

[0774] As an embodiment, in step S1304, the first time-frequency resource set includes a positive integer number of second-class time domain units. For any second-class time domain unit in the first time-frequency resource set, if the first node fails to perform the first channel measurement in the corresponding positive integer number of first-class time domain units within the first time window, the corresponding positive integer number of first-class time domain units within the first time window corresponds to any second-class time domain unit in the first time-frequency resource set, and the any second-class time domain unit in the first time-frequency resource set is removed from the first time-frequency resource set.

[0775] As an embodiment, the corresponding positive integer number of first-type time domain units precedes any second-type time domain unit in the first time-frequency resource set.

[0776] As an embodiment, any second-type time domain unit in the first time-frequency resource set is associated with multiple first-type time domain units within the first time window, and the corresponding positive integer number of first-type time domain units belongs to multiple first-type time domain units of the first time window.

[0777] As an embodiment, the first air interface resource in the first time-frequency resource set can be indicated by the first target control signaling included in the first target signal within the first time window.

[0778] As an embodiment, the first air interface resource in the first time-frequency resource set can be reserved by the first target control signaling included in the first target signal within the first time window.

[0779] As an embodiment, any of the second-type time domain units in the first time-frequency resource set can be indicated by the target control signaling sent in the corresponding positive integer number of first-type time domain units.

[0780] As an embodiment, any of the second-type time domain units in the first time-frequency resource set can be reserved by the target control signaling sent in the corresponding positive integer number of first-type time domain units.

[0781] As an embodiment, in step S1304, for the first air interface resource in the first time-frequency resource set, if the channel quality measured by the first node therein is not lower than the latest first power threshold, and the first node detects the first target control signaling in the first time window, and the first target control signaling indicates the first air interface resource in the first time-frequency resource set, any first air interface resource in the first time-frequency resource set is removed from the first time-frequency resource set; wherein, the first target control signaling is used to indicate the latest first power threshold.

[0782] As an embodiment, the channel quality includes RSRP.

[0783] As an embodiment, the channel quality includes the RSRP of the PSSCH channel.

[0784] As an embodiment, the second time-frequency resource set includes M1 second-type time domain units with the smallest channel interference in the first time-frequency resource set.

[0785] As an embodiment, M1 is a positive integer.

[0786] As an embodiment, the M1 is configurable.

[0787] As an embodiment, the M1 is the smallest integer that is not less than the product of 0.2 and M, and the M is the number of all second-type time domain units included in the first time-frequency resource set.

[0788] As an embodiment, M1 is the smallest integer that is not less than the product of 0.2 and M, and M is the number of all second-category time-frequency resource subpools included in the first time-frequency resource set; any second-category time-frequency resource subpool among the positive integer number of second-category time-frequency resource subpools included in the first time-frequency resource set occupies one time domain unit in the time domain and occupies C consecutive subchannels in the frequency domain.

[0789] As an embodiment, C is a constant.

[0790] As an embodiment, C is configurable.

[0791] As an embodiment, the channel interference in a second-type time domain unit is a linear average value of the RSSI in the second-type time domain unit.

[0792] As an embodiment, the channel interference in a second-type time domain unit is a linear average value of S (Sidelink)-RSSI in the second-type time domain unit.

[0793] As an embodiment, the channel interference in a second-type time domain unit is a linear average value of S (Sidelink)-RSSI of all sub-channels in the second-type time domain unit.

[0794] As an embodiment, the first target control signaling is SCI.

[0795] As an embodiment, the first target control signaling is sent on PSCCH.

[0796] Example 14

[0797] Example 14 illustrates a flowchart of performing first channel measurement according to another embodiment of the present application, as shown in the attached figure. Figure 14 shown.

[0798] In step S1402, the first node performs energy detection within a delay period (defer duration) of the first air interface resource; in step S1403, it is determined whether all time domain units within the delay period are idle, and if so, the process proceeds to step S1404 in which the channel is considered idle; if not, the process proceeds to step S1405 in which energy detection is performed within a delay period of the target sub-band; in step S1406, it is determined whether all time domain units within the delay period are idle, and if so, the process proceeds to step S1407 in which the first counter is set to be equal to R1; otherwise, the process returns to step S1405; in step S1408, it is determined whether the first counter is 0, and if so, the process proceeds to step S1409. Step S1404; if not, proceed to step S1409 to perform energy detection in an additional time domain unit of the target sub-band; in step S1410, determine whether the additional time domain unit is idle, if so, proceed to step S1411 to reduce the first counter by 1, and then return to step S1408; if not, proceed to step S1412 to perform energy detection in an additional delay period of the target sub-band; in step S1413, determine whether all time domain units in the additional delay period are idle, if so, proceed to step S1411, if not, return to step S1412.

[0799] As an embodiment, the duration of the delay period is 25 microseconds.

[0800] As an embodiment, the duration of the delay period does not exceed 25 microseconds.

[0801] As an embodiment, the duration of the delay period is not less than 16 microseconds.

[0802] As an embodiment, the duration of the delay period is fixed.

[0803] As an embodiment, each of the time domain units in the delay period is 9 microseconds.

[0804] As an embodiment, each of the time domain units in the delay period does not exceed 9 microseconds.

[0805] As an embodiment, each of the time domain units in the delay period is not less than 4 microseconds.

[0806] As an embodiment, the durations of all the time domain units in the delay period are the same.

[0807] As an embodiment, the delay period is divided into a positive integer number of the time domain units and a time slice from front to back, and the duration of the time slice is less than the duration of the time domain unit.

[0808] As an embodiment, the first wireless signal in the present application is transmitted on the first air interface resource.

[0809] As an embodiment, the first air interface resource includes a BWP.

[0810] As an embodiment, the first air interface resource includes a carrier.

[0811] As an embodiment, for any time domain unit within the delay period, if the received power is greater than a specific threshold, the channel in any time domain unit is considered not idle; if the received power is not greater than a specific threshold, the channel in any time domain unit is considered idle.

[0812] As an embodiment, for any time domain unit within the delay period, if the received power is not less than a specific threshold, the channel in any time domain unit is considered not idle; if the received power is less than a specific threshold, the channel in any time domain unit is considered idle.

[0813] As an embodiment, the specific threshold is -72dBm (millidecibels).

[0814] As an embodiment, the specific threshold is configurable.

[0815] Example 15

[0816] Example 15 illustrates a structural block diagram of a processing device used in a first node device, as shown in the attached figure. Figure 15 In embodiment 15, the first node device processing apparatus 1500 is mainly composed of a first receiver module 1501 and a first transmitter module 1502 .

[0817] As an embodiment, the first receiver module 1501 includes the attached Figure 4 At least one of the antenna 452, transmitter / receiver 454, multi-antenna receive processor 458, receive processor 456, controller / processor 459, memory 460 and data source 467.

[0818] As an embodiment, the first transmitter module 1502 includes the attached Figure 4 At least one of the antenna 452, transmitter / receiver 454, multi-antenna transmitter processor 457, transmit processor 468, controller / processor 459, memory 460 and data source 467.

[0819] In embodiment 15, the first receiver module 1501 receives a first signaling, which is used to indicate a first reference power threshold; the first receiver module 1501 receives a second signaling, which is used to indicate a first power offset; the first receiver module 1501 performs a first channel measurement to determine whether the first air interface resource can be used for wireless signal transmission; if yes, the first transmitter module 1502 sends a first wireless signal in the first air interface resource; if not, the first transmitter module 1502 abandons wireless signal transmission in the first air interface resource; a first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0820] As an embodiment, the first receiver module 1501 receives a third signaling, and the third signaling is used to indicate the first power offset from N power offsets; the second signaling includes N first-class control information, and the N first-class control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

[0821] As an embodiment, the N first-type control information correspond one-to-one to N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

[0822] As an embodiment, the N first-type control information correspond one-to-one to N first-type identifiers, the first identifier is one of the N first-type identifiers, and the first identifier is used to identify the first node.

[0823] As an embodiment, the first receiver module 1501 receives first configuration information; the first configuration information includes a first reference priority, and the first reference priority is used to determine the first reference power threshold.

[0824] As an embodiment, the first node device 1500 is a user equipment.

[0825] As an embodiment, the first node device 1500 is a relay node.

[0826] Example 16

[0827] Example 16 illustrates a structural block diagram of a processing device used in a second node device, as shown in the attached figure. Figure 16 As shown in the attached Figure 16In the embodiment, the second node device processing device 1600 is mainly composed of a second receiver module 1601 and a second transmitter module 1602.

[0828] As an embodiment, the second receiver module 1601 includes the attached Figure 4 At least one of the antenna 420, transmitter / receiver 418, multi-antenna receive processor 472, receive processor 470, controller / processor 475 and memory 476.

[0829] As an embodiment, the second transmitter module 1602 includes the attached Figure 4 At least one of the antenna 420, transmitter / receiver 418, multi-antenna transmit processor 471, transmit processor 416, controller / processor 475 and memory 476.

[0830] In Example 16, the second transmitter module 1602 sends a first signaling, which is used to indicate a first reference power threshold; the second transmitter module 1602 sends a second signaling, which is used to indicate a first power offset; the first channel measurement is used to determine whether the first air interface resource can be used for wireless signal transmission; the first power threshold is used for the first channel measurement; the first power threshold is related to the first reference power threshold; the location of the first air interface resource is used to determine whether the first power threshold is related to the first power offset.

[0831] As an embodiment, the second transmitter module 1602 sends a third signaling, and the third signaling is used to indicate the first power offset from N power offsets; the second signaling includes N first-class control information, and the N first-class control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

[0832] As an embodiment, the N first-type control information correspond one-to-one to N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

[0833] As an embodiment, the N first-type control information correspond one-to-one to N first-type identifiers, the first identifier is one of the N first-type identifiers, and the first identifier is used to identify the first node.

[0834] As an embodiment, the second receiver module 1601 receives the first wireless signal in the first air interface resource.

[0835] As an embodiment, the second node device 1600 is a user equipment.

[0836] As an embodiment, the second node device 1600 is a relay node.

[0837] Those skilled in the art will appreciate that all or part of the steps in the above method can be performed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk, or an optical disk. Optionally, all or part of the steps in the above embodiment can also be implemented using one or more integrated circuits. Accordingly, the various module units in the above embodiment can be implemented in hardware or in the form of software functional modules. This application is not limited to any specific combination of software and hardware. The first node device in this application includes but is not limited to mobile phones, tablet computers, laptops, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircraft, airplanes, drones, remote-controlled aircraft, and other wireless communication devices. The second node device in this application includes but is not limited to mobile phones, tablet computers, laptops, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircraft, airplanes, drones, remote-controlled aircraft, and other wireless communication devices. The user equipment, UE, or terminal in this application includes but is not limited to mobile phones, tablet computers, laptops, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircraft, airplanes, drones, remote-controlled aircraft, and other wireless communication devices. The base station equipment or base station or network side equipment in this application includes but is not limited to macro cell base stations, micro cell base stations, home base stations, relay base stations, eNB, gNB, transmission receiving nodes TRP, GNSS, relay satellites, satellite base stations, aerial base stations and other wireless communication equipment.

[0838] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of protection of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A first node for wireless communication, comprising: A first receiver, wherein the first receiver is configured to: receiving first signaling, the first signaling comprising one or more fields in a radio resource control (RRC) information element (IE), the first signaling indicating a plurality of first-class power thresholds, each first-class power threshold being expressed in dBm and comprising a first reference power threshold, receiving first configuration information, the first configuration information including a first reference priority, wherein the first reference priority is used to dynamically determine the first reference power threshold from the plurality of first-category power thresholds, receiving second signaling, the second signaling including one or more fields in secondary link control information (SCI), the second signaling indicating a first power offset, A first channel measurement is performed using a first power threshold to determine whether the first air interface resource is suitable for wireless signal transmission, wherein the first power threshold is: When the location of the first air interface resource meets the first condition, the first power threshold is equal to the first reference power threshold, or When the position satisfies a second condition, the first power threshold is equal to the sum of the first reference power threshold and the first power offset; as well as A first transmitter, wherein the first transmitter is configured to: If the first channel measurement indication is suitable, sending a first wireless signal in the first air interface resource; Otherwise, wireless signal transmission is abandoned in the first air interface resource.

2. The first node according to claim 1, wherein: The first reference priority level and the second reference priority level are used together to determine the first reference power threshold value.

3. The first node according to claim 1 or 2, wherein: The second signaling includes N first-type control information, where the N first-type control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

4. The first node according to claim 3, wherein: The N first-type control information correspond one-to-one to the N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

5. The first node according to claim 3, wherein: The N first-type control information correspond one-to-one to N first-type identifiers, the first identifier is one of the N first-type identifiers, and the first identifier is used to identify the first node.

6. The first node according to claim 1, wherein: The first receiver is configured to receive third signaling, where the third signaling includes a location of the first air interface resource and indicates the first power offset from among N power offsets.

7. A method in a first node for wireless communication, comprising: receiving first signaling, the first signaling comprising one or more fields in a radio resource control (RRC) information element (IE), the first signaling indicating a plurality of first-class power thresholds, each first-class power threshold being expressed in dBm and comprising a first reference power threshold; receiving first configuration information, the first configuration information including a first reference priority, wherein the first reference priority is used to dynamically determine the first reference power threshold from the plurality of first-category power thresholds; receiving second signaling, the second signaling including one or more fields in secondary link control information (SCI), the second signaling indicating a first power offset; A first channel measurement is performed using a first power threshold to determine whether the first air interface resource is suitable for wireless signal transmission, wherein the first power threshold is: When the location of the first air interface resource meets the first condition, the first power threshold is equal to the first reference power threshold, or When the position of the first air interface resource meets a second condition, the first power threshold is equal to the sum of the first reference power threshold and the first power offset; as well as If the first channel measurement indication is suitable, sending a first wireless signal in the first air interface resource; Otherwise, wireless signal transmission is abandoned in the first air interface resource.

8. The method in the first node according to claim 7, wherein: The first reference priority level and the second reference priority level are used together to determine the first reference power threshold value.

9. The method in the first node according to claim 7 or 8, wherein: The second signaling includes N first-type control information, where the N first-type control information are respectively used to indicate the N power offsets, where N is a positive integer greater than 1, and the first power offset is one of the N power offsets.

10. The method in the first node according to claim 9, wherein: The N first-type control information correspond one-to-one to the N first-type air interface resources, and the first air interface resource is a first-type air interface resource among the N first-type air interface resources.

11. The method in the first node according to claim 9, wherein: The N first-type control information correspond one-to-one to N first-type identifiers, the first identifier is one of the N first-type identifiers, and the first identifier is used to identify the first node.

12. The method in the first node according to claim 7, further comprising: A third signaling is received, where the third signaling includes a location of the first air interface resource, wherein the third signaling is used to indicate the first power offset from N power offsets.

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