CN115118399A

CN115118399A - Method and apparatus in a node used for wireless communication

Info

Publication number: CN115118399A
Application number: CN202110284290.7A
Authority: CN
Inventors: 刘瑾; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-09-27
Anticipated expiration: 2041-03-17
Also published as: CN115118399B

Abstract

A method and apparatus in a node used for wireless communication is disclosed. A first node monitors a first signaling in a first resource pool; measuring in a first time-frequency resource block and obtaining a first measurement value; sending a target signal on a target time-frequency resource block; the first signaling is detected; the first signaling is used to determine the first and second time-frequency resource blocks; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the second time frequency resource block overlaps with the first alternative time frequency resource block; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used for determining whether the first alternative time-frequency resource block belongs to a target resource pool. The resource waste problem under the power saving mode is effectively solved.

Description

Method and apparatus in a node used for wireless communication

Technical Field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission scheme and apparatus related to a Sidelink (Sidelink) in wireless communication.

Background

Starting from LTE (Long Term Evolution), 3GPP (3rd Generation Partner Project) has developed SL (Sidelink) as a direct communication method between users, and completed the first NR SL (New Radio Sidelink) standard of "5G V2X with NR Sidelink" in Rel-16(Release-16, version 16). In Rel-16, NR SL is designed primarily for V2X (Vehicle-To-Everyzing), but it may also be used for Public Safety (Public Safety).

However, due to time constraints, the NR SL Rel-16 cannot fully support the service requirements and working scenarios identified by 3GPP for 5G V2X. The 3GPP will therefore investigate the enhanced NR SL in Rel-17.

Disclosure of Invention

In general, VRU (Vulnerable road user) and PUE (Pedestrian user equipment) have short battery life and low processing complexity. In the Rel-17 SL system, a resource allocation method with low power consumption and low complexity is specially researched for VRU and PUE. Especially persistent channel sensing consumes a lot of power and brings a complex and high processing flow. Hence Rel-17 SL will introduce a randomly selected or partially aware way of determining the transmission resources or Rel-17 will introduce a power saving mode. But such a low power resource determination may be bursty or temporary. These resources can be eliminated or wasted if a conventional fully-aware user considers them to be a fully-aware resource selection.

In view of the above, the present application discloses a resource sensing method for a power saving mode, thereby effectively utilizing shared SL resources. It should be noted that, without conflict, the embodiments and features in the embodiments in the user equipment of the present application may be applied to the base station, and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict. Further, although the present application was originally intended for SL, the present application can also be used for UL (Uplink). Further, although the present application was originally directed to single carrier communication, the present application can also be applied to multicarrier communication. Further, although the present application was originally directed to single antenna communication, the present application can also be applied to multi-antenna communication. Further, although the original intention of the present application is directed to the V2X scenario, the present application is also applicable to the communication scenarios between the terminal and the base station, between the terminal and the relay, and between the relay and the base station, and achieves the technical effects in the similar V2X scenario. Furthermore, adopting a unified solution for different scenarios (including but not limited to V2X scenario and terminal to base station communication scenario) also helps to reduce hardware complexity and cost.

It should be noted that the term (telematics) in the present application is explained with reference to the definitions in the series TS36, TS37 and TS38, which are the specification protocols of 3GPP, but can also be defined with reference to the specification protocols of IEEE (Institute of Electrical and Electronics Engineers).

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

monitoring a first signaling in a first resource pool;

measuring in a first time-frequency resource block and obtaining a first measurement value;

sending a target signal on a target time-frequency resource block;

wherein the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block overlaps with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

As an embodiment, the problem to be solved by the present application is: the resource determination manner with low power consumption causes a problem that resources are excessively excluded or wasted.

As an example, the method of the present application is: associating a resource selection with the characteristic parameter of a sender of the first signaling.

As an example, the method of the present application is: associating a resource selection with the characteristic parameter of a sender of the first signaling and a measurement for the first block of time-frequency resources.

As an embodiment, the above method has the advantage of solving the problem that resources suddenly occupied by low-power users or in a short time are used for channel sensing, so that the resources are excessively eliminated or wasted.

According to an aspect of the present application, the method is characterized in that the characteristic parameter of the sender of the first signaling includes one of a first characteristic parameter or a second characteristic parameter, the first characteristic parameter is that the sender of the first signaling determines the first time-frequency resource block by using one of random selection or partial perception, the second characteristic parameter is that the sender of the first signaling determines the first time-frequency resource block by using one of full perception or partial perception, and the first characteristic parameter is different from the second characteristic parameter.

According to an aspect of the application, the method is characterized in that the characteristic parameter of the sender of the first signaling includes one of a third characteristic parameter or a fourth characteristic parameter, the third characteristic parameter is that the sender of the first signaling adopts a power saving mode, and the fourth characteristic parameter is that the sender of the first signaling adopts a non-power saving mode.

According to an aspect of the application, the above method is characterized in that, when the characteristic parameter of the sender of the first signaling includes the first characteristic parameter, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

According to an aspect of the application, the above method is characterized in that, when the characteristic parameter of the sender of the first signaling includes the third characteristic parameter, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

According to one aspect of the application, the method described above is characterized by comprising:

monitoring for second signaling in the first resource pool;

measuring in the third time-frequency resource block and obtaining a second measured value;

wherein the second signaling is detected; the second signaling is used to determine the third time-frequency resource block; the first resource pool comprises the third time-frequency resource block; the third time frequency resource block is within the first time window; the second signaling indicates a third priority; the first priority and the third priority are used to determine a second threshold; the second signaling determines a fourth time-frequency resource block; the fourth time frequency resource block overlaps with the first alternative time frequency resource block; the second signaling comprises characteristic parameters of a sender of the second signaling; determining, by the sender of the second signaling, the third time-frequency resource block in one of full sensing or partial sensing, or determining, by the sender of the second signaling, the non-power saving mode by the sender of the second signaling; the characteristic parameter of the sender of the second signaling is different from the characteristic parameter of the sender of the first signaling; the second measurement is not above the second threshold.

performing channel occupancy ratio assessment on a reference time domain resource block;

the reference time domain resource block is earlier than the time domain resource occupied by the target time frequency resource block; the time domain resource occupied by the reference time domain resource block and the target time frequency resource block is separated by a first time domain offset; the first time domain offset comprises a positive integer number of time domain resource units; the channel occupancy ratio estimate is independent of the characteristic parameter of a sender of the first signaling.

According to an aspect of the application, the above method is characterized in that the first node is a user equipment.

According to an aspect of the application, the above method is characterized in that the first node is a relay node.

According to an aspect of the application, the above method is characterized in that the first node is a base station.

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

a first receiver to monitor a first signaling in a first resource pool;

the second receiver is used for measuring in the first time-frequency resource block and obtaining a first measurement value;

the first transmitter is used for transmitting a target signal on a target time-frequency resource block;

wherein the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first block of time-frequency resources is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block overlaps with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

As an embodiment, the present application has the following advantages:

the problem to be solved by the present application is: the resource determination manner with low power consumption causes a problem that resources are excessively excluded or wasted.

-the application associates a resource selection with said characteristic parameter of the sender of said first signalling.

-the application associates resource selection with said characteristic parameter of the sender of said first signalling and measurements for said first block of time-frequency resources.

The method solves the problem that the resource occupied by the low-power user suddenly or for a short time is used for channel sensing, so that the resource is excessively eliminated or wasted.

Drawings

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

FIG. 1 illustrates a process flow diagram for a first node according to one embodiment of the application;

FIG. 2 shows a schematic diagram of a network architecture according to an embodiment of the present application;

figure 3 shows a schematic diagram of a radio protocol architecture of a user plane and a control plane according to an embodiment of the present application;

FIG. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application;

FIG. 5 shows a wireless signal transmission flow diagram according to an embodiment of the present application;

FIG. 6 shows a wireless signal transmission flow diagram according to one embodiment of the present application;

FIG. 7 shows a schematic diagram of a relationship between a first characteristic parameter and a second characteristic parameter according to an embodiment of the present application;

FIG. 8 shows a schematic diagram of a relationship between a third characteristic parameter and a fourth characteristic parameter according to an embodiment of the present application;

fig. 9 shows a block diagram of a processing arrangement for use in a first node according to an embodiment of the present application.

Detailed Description

The technical solutions of the present application will be further described in detail with reference to the accompanying drawings, and it should be noted that the embodiments and features of the embodiments of the present application can be arbitrarily combined with each other without conflict.

Example 1

Embodiment 1 illustrates a processing flow diagram of a first node according to an embodiment of the present application, as shown in fig. 1. In fig. 1, each block represents a step.

In embodiment 1, a first node in the present application first performs step 101, and monitors a first signaling in a first resource pool; then, step 102 is executed, measurement is carried out in the first time-frequency resource block, and a first measurement value is obtained; finally, executing step 103, and sending a target signal on the target time frequency resource block; the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block is overlapped with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

As an embodiment, the first resource pool is used for Sidelink (SL) transmission.

As an embodiment, the first Resource Pool includes all or part of resources of a secondary link Resource Pool (SL Resource Pool).

As an embodiment, the first resource pool includes a PSCCH (Physical Sidelink Control Channel).

As an embodiment, the first resource pool includes a psch (Physical Sidelink Shared Channel).

As an embodiment, the first resource pool includes a PSFCH (Physical Sidelink Feedback Channel).

As an embodiment, the first resource pool is used for transmitting SL RS (Sidelink Reference Signal).

As one embodiment, the SL RS includes a SL CSI-RS (Sidelink Channel State Information Reference Signal).

As one embodiment, the SL RS includes a SL DMRS (Sidelink Demodulation Reference Signal).

As an embodiment, the first Resource pool includes a plurality of REs (Resource Elements).

As an embodiment, any RE of the plurality of REs comprised by the first resource pool occupies one multicarrier Symbol (Symbol) in the time domain and one Subcarrier (Subcarrier) in the frequency domain.

As an embodiment, the first resource pool includes a plurality of time domain resource units in the time domain, and the first resource pool includes a plurality of frequency domain resource units in the frequency domain.

As an embodiment, any of the plurality of time domain resource elements comprised by the first resource pool in the time domain comprises a positive integer number of multi-carrier symbols (s)).

As an embodiment, any time domain resource unit of the plurality of time domain resource units comprised by the first resource pool in the time domain comprises a positive integer number of slots (slot (s)).

As an embodiment, any one of the plurality of frequency domain Resource units comprised in the frequency domain by the first Resource pool comprises a positive integer number of prb(s) (Physical Resource Block (s)).

As one embodiment, any one of the plurality of frequency domain resource elements comprised in the frequency domain by the first resource pool comprises a positive integer number of subchannels (subchannel).

As an embodiment, the first resource pool includes a plurality of time-frequency resource blocks, any one of the plurality of time-frequency resource blocks included in the first resource pool occupies a positive integer number of time-domain resource units in a time domain, and any one of the plurality of time-frequency resource blocks occupies a positive integer number of frequency-domain resource units in a frequency domain.

As an embodiment, the first resource pool is Configured for higher layer signaling (Configured).

For one embodiment, the first time window includes N1 time domain resource units, N1 being a positive integer.

For one embodiment, the first time window spans N1 time domain resource units in the time domain, N1 being a positive integer.

For one embodiment, the N1 time domain resource units in the first time window all belong to the first resource pool.

For one embodiment, the first resource pool includes the N1 time domain resource units in the first time window.

As an embodiment, the first time window comprises a Sidelink sensing window.

As an embodiment, the starting instant of the first time window is configured for higher layer signaling.

As an embodiment, the starting time of the first time window is the earliest time domain resource unit in the N1 time domain resource units included in the first time window.

As an embodiment, the starting instant of the first time window is a difference of the reference time domain resource unit and the first starting time.

As an embodiment, the ending time of the first time window is the latest one of the N1 time domain resource units included in the first time window.

As an embodiment, the expiration of the first time window is one time domain resource unit before the difference between the reference time domain resource unit and the first processing time.

As an embodiment, the reference time domain resource unit is one time domain resource unit in the first resource pool.

As an embodiment, the reference time domain resource unit is one time domain resource unit outside the first time window.

As an embodiment, the target resource pool is triggered to report on the reference time domain resource unit.

As an embodiment, the first node is triggered to report the target resource pool on the reference time domain resource unit.

For one embodiment, the first start time includes T0 time-domain resource units, and T0 is a positive integer.

As an embodiment, the first processing time includes T0proc time-domain resource units, T0proc being a positive integer.

As an example, the T0 time domain resource units are equivalent to 100 milliseconds.

For one embodiment, the T0 time domain resource units are equivalent to 1100 milliseconds.

As an example, the T0proc is equal to 1.

As an example, the T0proc is equal to 2.

As an embodiment, the first resource pool includes M1 time-frequency resource blocks, the first time window spans time-domain resources occupied by the M1 time-frequency resource blocks included in the first resource pool, and M1 is a positive integer.

As an embodiment, the first resource pool includes M1 time-frequency resource blocks, a time-domain resource occupied by any one of the M1 time-frequency resource blocks is within the first time window, and M1 is a positive integer.

As an embodiment, any one of the M1 time frequency resource blocks is one time frequency resource block within the first time window in the first resource pool.

For one embodiment, the second time window includes N2 time domain resource units, N2 being a positive integer.

For one embodiment, the second time window spans N2 time domain resource units in the time domain, N2 being a positive integer.

For one embodiment, the N2 time domain resource units in the second time window all belong to the first resource pool.

For one embodiment, the first resource pool includes the N2 time domain resource units in the second time window.

For one embodiment, the second time window includes a Sidelink selection window (Sidelink selection window).

As an embodiment, the expiration time of the second time window is configured for higher layer signaling.

As an embodiment, the starting time of the second time window is the earliest one of the N2 time domain resource units included in the second time window.

As an embodiment, the starting instant of the second time window is a sum of the reference time domain resource unit and a second processing time.

As an embodiment, the expiration time of the second time window is the latest one of the N2 time domain resource units comprised by the second time window.

As an embodiment, the expiration time of the second time window is a sum of the reference time domain resource unit and a first remaining delay.

For one embodiment, the second processing time includes T1 time-domain resource units, T1 being a positive integer.

For one embodiment, the first remaining delay includes T2 time domain resource units, T2 being a positive integer.

As an embodiment, the first resource pool includes M2 time-frequency resource blocks, the second time window spans time-domain resources occupied by the M2 time-frequency resource blocks included in the first resource pool, and M2 is a positive integer.

As an embodiment, the first resource pool includes M2 time-frequency resource blocks, a time-domain resource occupied by any one of the M2 time-frequency resource blocks is within the second time window, and M2 is a positive integer.

As an embodiment, any one of the M2 time-frequency resource blocks is one time-frequency resource block in the second time window in the first resource pool.

As an embodiment, the start time of the second time window is later than the end time of the first time window.

As an embodiment, the second time window includes an earliest one of the N2 time domain resource units later than a latest one of the N1 time domain resource units included in the first time window.

In one embodiment, the first time window is earlier than the reference time domain resource unit, and the second time window is later than the reference time domain resource unit.

As an embodiment, the ending time of the first time window is one time domain resource unit before the difference between the reference time domain resource unit and the first processing time, and the starting time of the second time window is the sum of the reference time domain resource unit and the second processing time.

As an embodiment, the first time-frequency resource block is one of the plurality of time-frequency resource blocks included in the first resource pool.

As an embodiment, the time domain resource occupied by the first time-frequency resource block includes one time domain resource unit of the multiple time domain resource units included in the first resource pool.

As an embodiment, the frequency domain resource occupied by the first time-frequency resource block includes one of the plurality of frequency domain resource units included in the first resource pool.

As an embodiment, the first time-frequency resource block includes a first time domain resource unit in a time domain, and the first time domain resource unit is one of the plurality of time domain resource units included in the first resource pool.

As an embodiment, the first time-frequency resource block includes a first frequency-domain resource unit in the frequency domain, the first frequency-domain resource unit being one of the plurality of frequency-domain resource units included in the first resource pool.

As an embodiment, the first time-frequency resource block is one time-frequency resource block of the M1 time-frequency resource blocks within the first time window.

As an embodiment, the time domain resource occupied by the first time-frequency resource block is within the first time window.

As an embodiment, the time domain resource occupied by the first time-frequency resource block includes one time domain resource unit of the N1 time domain resource units in the first time window.

For one embodiment, the first time domain resource unit is within the first time window.

In one embodiment, the first time domain resource unit is one time domain resource unit of the N1 time domain resource units included in the first time window.

For one embodiment, the first block of time and frequency resources includes a PSSCH.

As an embodiment, the first time-frequency resource block includes PSCCH and PSCCH.

As an embodiment, the second time frequency resource block is one time frequency resource block of the plurality of time frequency resource blocks included in the first resource pool.

As an embodiment, the time domain resource occupied by the second time-frequency resource block includes one time domain resource unit of the plurality of time domain resource units included in the first resource pool.

As an embodiment, the frequency domain resource occupied by the second time-frequency resource block includes one of the plurality of frequency domain resource units included in the first resource pool.

As an embodiment, the second time-frequency resource block includes, in the time domain, a second time-domain resource unit, and the second time-domain resource unit is one time-domain resource unit of the plurality of time-domain resource units included in the first resource pool.

As an embodiment, the second time-frequency resource block includes a second frequency-domain resource unit in the frequency domain, the second frequency-domain resource unit being one of the plurality of frequency-domain resource units included in the first resource pool.

As an embodiment, the second time frequency resource block is one time frequency resource block of the M2 time frequency resource blocks within the second time window.

As an embodiment, the time domain resource occupied by the second time-frequency resource block is within the second time window.

As an embodiment, the time domain resource occupied by the second time-frequency resource block includes one time domain resource unit of the N2 time domain resource units in the second time window.

For one embodiment, the second time domain resource unit is within the second time window.

In one embodiment, the second time domain resource unit is one time domain resource unit of the N2 time domain resource units included in the second time window.

As an embodiment, the second time-frequency resource block comprises a psch.

As an embodiment, the second time-frequency resource block includes PSCCH and PSCCH.

For one embodiment, the first signaling includes one or more fields in a PHY Layer (Physical Layer) signaling.

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

For one embodiment, the first signaling includes a first level SCI format (1) ^st -stage SCI format).

For one embodiment, the first signaling includes a second level SCI format (2) ^nd -stage SCI format).

For one embodiment, the first signaling includes at least one of a plurality of fields of a first level SCI format and at least one of a plurality of fields of a second level SCI format.

As an example, the SCI definition refers to sections 8.3 and 8.4 of 3GPP TS 38.212.

For one embodiment, the definition of the first level SCI format refers to section 8.3 of 3GPP TS 38.212.

For one embodiment, the definition of the second-level SCI format refers to section 8.4 of 3GPP TS 38.212.

As an embodiment, the first signaling comprises all or part of a higher layer signaling.

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

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

As an embodiment, the channel occupied by the first signaling comprises a PSCCH.

As an embodiment, the channel occupied by the first signaling includes a psch.

As an embodiment, the phrase "monitoring first signaling in a first resource pool" refers to receiving based on blind detection in the plurality of time frequency resource blocks included in the first resource pool, that is, the first node receives signals on the M1 time frequency resource blocks within the first time window and performs a decoding operation, and if it is determined that the decoding is correct according to CRC bits, it is determined that the first signaling is detected; otherwise, the first signaling is judged not to be detected.

As an embodiment, the phrase "monitoring first signaling in a first resource pool" refers to blind detection-based reception in the format of the first signaling in the plurality of time-frequency resource blocks included in the first resource pool, that is, the first node receives signals in the format of the first signaling on the M1 time-frequency resource blocks within the first time window and performs a decoding operation, and if the decoding is determined to be correct according to CRC bits, determines that the first signaling is detected; otherwise, the first signaling is judged not to be detected.

As an embodiment, the phrase "monitoring the first signaling in the first resource pool" refers to receiving based on coherent detection in the plurality of time-frequency resource blocks included in the first resource pool, that is, the first node performs coherent reception on a wireless signal by using an RS sequence corresponding to the DMRS of the first signaling on the M1 time-frequency resource blocks within the first time window, and measures energy of the signal obtained after the coherent reception; if the energy of the signal obtained after the coherent reception is greater than a first given threshold value, judging that the first signaling is detected; otherwise, the first signaling is judged not to be detected.

As an embodiment, the phrase "monitoring first signaling in a first resource pool" refers to reception based on energy detection in the plurality of time-frequency resource blocks comprised by the first resource pool, i.e. the first node perceives (Sense) energy of a wireless signal over the M1 time-frequency resource blocks within the first time window and averages over time to obtain received energy; if the received energy is greater than a second given threshold, determining that the first signaling is detected; otherwise, the first signaling is judged not to be detected.

As an embodiment, the first signaling is detected, that is, the first signaling is received based on blind detection, and then decoding is determined to be correct according to CRC bits.

As an embodiment, the first signaling is used to schedule the PSSCH and the second level SCI.

In one embodiment, the first signaling indicates the first time-frequency resource block.

As an embodiment, the first signaling indicates a frequency domain resource occupied by the first time-frequency resource block.

As an embodiment, the first signaling indicates a time domain resource occupied by the first time-frequency resource block.

As an embodiment, the first signaling is detected on a first time domain resource unit.

As an embodiment, the first signaling indicates a time domain position of the first time-frequency resource block in the first resource pool.

As an embodiment, the first signaling indicates a frequency domain location of the first block of time-frequency resources in the first resource pool.

As an embodiment, the first signaling indicates an index of the first time domain resource unit in the plurality of time domain resource units included in the first resource pool.

As one embodiment, the first signaling indicates an index of the first frequency-domain resource unit in the plurality of frequency-domain resource units included in the first resource pool.

As an embodiment, the first signaling includes a plurality of domains, and the time domain resource occupied by the first time-frequency resource block and the frequency domain resource occupied by the first time-frequency resource block are two domains of the plurality of domains included in the first signaling, respectively.

As an embodiment, the first signaling is used to Reserve (Reserve) the second time-frequency resource block.

As an embodiment, the first signaling is used to reserve frequency domain resources occupied by the second time-frequency resource block.

As an embodiment, the first signaling is used to reserve time domain resources occupied by the second time-frequency resource block.

As an embodiment, the first signaling is used to reserve the second frequency domain resource blocks.

As an embodiment, the first signaling is used to reserve the second time domain resource block.

As an embodiment, the first signaling indicates an index of the second time domain resource unit in the plurality of time domain resource units included in the first resource pool.

As one embodiment, the first signaling indicates an index of the second frequency-domain resource unit in the plurality of frequency-domain resource units included in the first resource pool.

As an embodiment, the first signaling indicates a time domain interval between the second time domain resource unit and the first time domain resource unit.

As an embodiment, the time domain interval between the second time domain resource unit and the first time domain resource unit includes a positive integer number of time domain resource units.

As an embodiment, the first signaling indicates the first time-frequency resource block, the first time-frequency resource block includes a first frequency-domain resource unit in a frequency domain, the second time-frequency resource block includes a second frequency-domain resource unit in a frequency domain, and the second frequency-domain resource unit is the same as the first frequency-domain resource unit.

As an embodiment, the first signaling indicates the first time-frequency resource block, the first time-frequency resource block includes a first frequency-domain resource unit in a frequency domain, the second time-frequency resource block includes a second frequency-domain resource unit in a frequency domain, and a frequency-domain interval between the second frequency-domain resource unit and the first frequency-domain resource unit is configured for higher layer signaling.

As one embodiment, the frequency-domain interval between the second frequency-domain resource unit and the first frequency-domain resource unit includes a positive integer number of frequency-domain resource units.

As an embodiment, the first signaling includes a plurality of domains, and the time domain resource occupied by the second time-frequency resource block and the frequency domain resource occupied by the second time-frequency resource block are two domains of the plurality of domains included in the first signaling, respectively.

For one embodiment, the target signal comprises a baseband signal.

For one embodiment, the target signal comprises a radio frequency signal.

As one embodiment, the target signal includes a wireless signal.

In one embodiment, the target signal is transmitted on the SL-SCH.

As an embodiment, the target signal is transmitted on the PSCCH.

As an embodiment, the target signal is transmitted on the psch.

As an embodiment, the target signal comprises all or part of a higher layer signaling.

As an embodiment, the target signal includes all or part of an RRC layer signaling.

As an embodiment, the target signal includes all or part of a MAC layer signaling.

For one embodiment, the target signal includes one or more fields in a PHY layer signaling.

As an example, the target signal includes an SCI.

For one embodiment, the target signal includes a first target signaling.

As an embodiment, the first target signaling comprises a positive integer number of bits.

As an embodiment, the first target signaling includes a positive integer number of fields.

As an embodiment, the target signal comprises a second target signaling.

As one embodiment, the target signal includes a first target block of bits, the first target block of bits including a positive integer number of bits.

As an embodiment, the target signal includes the first target signaling and the first target block of bits.

As an embodiment, the target signal includes the first target signaling, the second target signaling and the first target bit block.

For one embodiment, the first target signaling includes a first level SCI.

As an embodiment, the first target signaling includes SCI format 1-a.

For one embodiment, the first target signaling includes SCI format 1-B.

For one embodiment, the second target signaling includes a second level SCI.

As an embodiment, the second target signaling includes SCI format 2-a.

As an embodiment, the second target signaling includes SCI format 2-B.

As an embodiment, the first target signaling is transmitted on the PSCCH.

As an embodiment, the first target block of bits is transmitted on a psch.

As an embodiment, the second target signaling and the first target bit block are transmitted on a psch.

As an embodiment, a first block of target bits is used for generating the target signal, the first block of target bits comprising a positive integer number of bits.

As an embodiment, the first target bit block includes a positive integer number of bits, and all or a part of the positive integer number of bits included in the first target bit block is used to generate the target signal.

As an embodiment, the first target bit block includes 1 CW (Codeword).

As one embodiment, the first target bit Block includes 1 CB (Code Block).

As an embodiment, the first target bit Block includes 1 CBG (Code Block Group).

For one embodiment, the first target bit Block includes 1 TB (Transport Block).

As an embodiment, all or part of the bits of the first target bit Block sequentially pass through a transport Block level CRC (Cyclic Redundancy Check) Attachment (Attachment), a Code Block Segmentation (Code Block Segmentation), a Code Block level CRC Attachment, a Channel Coding (Channel Coding), a Rate Matching (Rate Matching), a Code Block Concatenation (Code Block Mapping), a scrambling (scrambling), a Modulation (Modulation), a Layer Mapping (Layer Mapping), an Antenna Port Mapping (Antenna Port Mapping), a Mapping to Physical Resource Blocks (Mapping to Physical resources), a Baseband Signal Generation (Baseband Signal Generation), a Modulation and Upconversion (Modulation and Upconversion), and then the target Signal is obtained.

As an embodiment, the target signal is an output of the first target bit block after sequentially passing through a Modulation Mapper (Modulation Mapper), a Layer Mapper (Layer Mapper), a Precoding (Precoding), a Resource Element Mapper (Resource Element Mapper), and a multi-carrier symbol Generation (Generation).

As an embodiment, the channel coding is based on a polar (polar) code.

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

As an embodiment, the first priority is a positive integer.

As an embodiment, the first priority is one of P positive integers, and P is a positive integer.

As an embodiment, the first priority is a positive integer from 1 to P.

As an example, P is equal to 8.

As an example, said P is equal to 9.

As one embodiment, the first priority is a layer 1(L1) priority.

As an embodiment, the target signal is associated to the first priority.

As one embodiment, the first priority is used for transmission of the target signal.

As an embodiment, the first priority is configured for higher layer signaling.

As an embodiment, the first priority is a priority of the first target block of bits.

As an embodiment, the second priority is a positive integer.

As an embodiment, the second priority is configured for higher layer signaling.

As an embodiment, the second priority is one of P positive integers, where P is a positive integer.

As an embodiment, the second priority is a positive integer from 1 to P.

As an embodiment, the first priority is a positive integer from 1 to P, and the second priority is also a positive integer from 1 to P.

As one embodiment, the second priority is a layer 1(L1) priority.

As an embodiment, the second priority is used for full perception.

As an embodiment, the second priority is used for partial perception.

As an embodiment, the first signaling indicates the second priority.

As an embodiment, the first signaling indicates an index of the second priority in a priority list, the priority list comprising a positive integer number of priorities, the second priority being one of the positive integer number of priorities comprised by the priority list.

As an embodiment, the target signal is associated to the first priority, the first signaling indicates the second priority, the first priority and the second priority are two non-negative integers not larger than 12, respectively.

As an example, the first threshold value has a unit of dBm (decibels).

As one embodiment, the unit of the first threshold is dB (decibel).

As one embodiment, the unit of the first threshold is mW (milliwatt).

As one embodiment, the unit of the first threshold is W (watts).

For one embodiment, the first threshold pool includes a positive integer number of first class thresholds, and the first threshold is one of the positive integer number of first class thresholds included in the first threshold pool.

For one embodiment, the first pool of thresholds includes 64 first class thresholds.

As an embodiment, any first type threshold in the first threshold pool is a non-positive integer.

As one embodiment, any one of the first type thresholds in the first threshold pool is (-128+ (n-1). times.2) dBm, n being a positive integer no greater than 65.

For one embodiment, any one of the first class thresholds in the first pool of thresholds is one of negative infinity (dBm), (-128+ (n-1) × 2) dBm, or positive infinity (dBm), n being a positive integer no greater than 65.

As one embodiment, the first threshold pool includes [ -infinity dBm, -128dBm, -126dBm,.., 0dBm, infinity dBm ].

As an embodiment, any two adjacent first class thresholds of the first threshold pool except the first class threshold and the last first class threshold differ by 2 dB.

As an embodiment, the first threshold pool includes a positive integer number of first class threshold lists, the first threshold list includes a positive integer number of first class thresholds, and the first threshold is one of the positive integer number of first class thresholds included in the first threshold list.

For one embodiment, the first priority and the second priority are used to determine the first threshold from the first threshold pool.

For one embodiment, the first priority and the second priority are used to determine an index of the first threshold value among the positive integer number of first class threshold values included in the first threshold pool.

As an embodiment, the first priority is used to determine the first threshold list from the positive integer number of first class threshold lists comprised by the first threshold pool, and the second priority is used to determine the first threshold from the positive integer number of first class thresholds comprised by the first threshold list.

As an embodiment, the first priority is an index of the first threshold list in the positive integer number of first class threshold lists included in the first threshold pool, and the second priority is an index of the first threshold in the positive integer number of first class thresholds included in the first threshold list.

As an embodiment, the first alternative time frequency resource block is one of the plurality of time frequency resource blocks comprised by the first resource pool.

As an embodiment, the time domain resource occupied by the first alternative time frequency resource block is one time domain resource unit of the multiple time domain resource units included in the first resource pool.

As an embodiment, the frequency domain resource occupied by the first alternative time-frequency resource block is one of the plurality of frequency domain resource units included in the first resource pool.

As an embodiment, the first alternative time-frequency resource block includes, in the time domain, a first alternative time-frequency resource unit, and the first alternative time-frequency resource unit is one time-frequency resource unit of the plurality of time-frequency resource units included in the first resource pool.

As an embodiment, the first alternative time-frequency resource block includes, in the frequency domain, a first alternative frequency-domain resource unit, and the first alternative frequency-domain resource unit is one of the plurality of frequency-domain resource units included in the first resource pool.

As an embodiment, the time domain resource occupied by the first alternative time frequency resource block is within the second time window.

As an embodiment, the time domain resource occupied by the first alternative time frequency resource block includes one time domain resource unit of the N2 time domain resource units in the second time window.

For an embodiment, the first alternative time-frequency resource block is within the second time window.

As an embodiment, the first alternative time domain resource block includes one time domain resource unit of the N2 time domain resource units included in the second time window.

For one embodiment, the first alternative time domain resource unit is within the second time window.

As an embodiment, the first candidate time domain resource unit is one time domain resource unit of the N2 time domain resource units included in the second time window.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the time-domain resource occupied by the second time-frequency resource block is the same as the time-domain resource occupied by the first alternative time-frequency resource block, and the frequency-domain resource occupied by the second time-frequency resource block is different from the frequency-domain resource occupied by the first alternative time-frequency resource block.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the time-domain resource occupied by the second time-frequency resource block is the same as the time-domain resource occupied by the first alternative time-frequency resource block, and the frequency-domain resource occupied by the second time-frequency resource block is partially the same as the frequency-domain resource occupied by the first alternative time-frequency resource block.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the time-domain resource occupied by the second time-frequency resource block is different from the time-domain resource occupied by the first alternative time-frequency resource block, and the frequency-domain resource occupied by the second time-frequency resource block is the same as the frequency-domain resource occupied by the first alternative time-frequency resource block.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the time-domain resource occupied by the second time-frequency resource block is partially the same as the time-domain resource occupied by the first alternative time-frequency resource block, and the frequency-domain resource occupied by the second time-frequency resource block is different from the frequency-domain resource occupied by the first alternative time-frequency resource block.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the time-domain resource occupied by the second time-frequency resource block is partially the same as the time-domain resource occupied by the first alternative time-frequency resource block, and the frequency-domain resource occupied by the second time-frequency resource block is partially the same as the frequency-domain resource occupied by the first alternative time-frequency resource block.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the second time-frequency resource unit is the same as the first alternative time-frequency resource unit, and the second frequency-frequency resource unit is different from the first alternative frequency-frequency resource unit.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the second time-frequency resource unit is the same as the first alternative time-frequency resource unit, and the second frequency-frequency resource unit is partially the same as the first alternative frequency-frequency resource unit.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that the second time-frequency resource unit is the same as the first alternative time-frequency resource unit, and the first alternative frequency-frequency resource unit includes the second frequency-frequency resource unit.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first candidate time-frequency resource block means that the second time-frequency resource unit is the same as the first candidate time-frequency resource unit, and the second frequency-frequency resource unit includes the first candidate frequency-frequency resource unit.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first candidate time-frequency resource block means that a positive integer number of time-domain resource units included in the time domain of the second time-frequency resource block are respectively the same as a positive integer number of time-domain resource units included in the time domain of the first candidate time-frequency resource block, and a positive integer number of frequency-domain resource units included in the frequency domain of the second time-frequency resource block is different from a positive integer number of frequency-domain resource units included in the frequency domain of the first candidate time-frequency resource block.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first alternative time-frequency resource block means that a positive integer number of time-domain resource units included in the time domain of the second time-frequency resource block are respectively the same as a positive integer number of time-domain resource units included in the time domain of the first alternative time-frequency resource block, the second time-frequency resource block includes a first sub-frequency-domain resource unit and a second sub-frequency-domain resource unit in the frequency domain, the first alternative time-frequency resource block includes a positive integer number of frequency domain resource units in the frequency domain, the first sub-frequency domain resource unit is different from any one of the positive integer number of frequency domain resource units included in the frequency domain by the first alternative time-frequency resource block, the second sub-frequency-domain resource unit is the same as one of the positive integer number of frequency-domain resource units included in the first alternative time-frequency resource block in the frequency domain.

As an embodiment, the phrase that the second time-frequency resource block overlaps with the first candidate time-frequency resource block means that positive integers of time-domain resource units included in the time domain of the second time-frequency resource block are respectively the same as positive integers of time-domain resource units included in the time domain of the first candidate time-frequency resource block, and positive integers of frequency-domain resource units included in the frequency domain of the second time-frequency resource block are respectively the same as positive integers of frequency-domain resource units included in the frequency domain of the first candidate time-frequency resource block.

For one embodiment, the target resource pool includes a plurality of REs.

For one embodiment, the target resource pool includes a plurality of time-frequency resource blocks.

For one embodiment, the target resource pool includes a plurality of time domain resource units in the time domain.

For one embodiment, the target resource pool includes a plurality of frequency domain resource units in the frequency domain.

For one embodiment, the target resource pool includes a plurality of time domain resource units in the time domain, and the target resource pool includes a plurality of frequency domain resource units in the frequency domain.

For one embodiment, the first resource pool comprises the target resource pool.

For one embodiment, the target resource pool belongs to the first resource pool.

As an embodiment, any time-frequency resource block of the plurality of time-frequency resource blocks included in the target resource pool belongs to the first resource pool.

As an embodiment, any one of the plurality of time-frequency resource blocks included in the target resource pool is one of the plurality of time-frequency resource blocks included in the first resource pool.

As an embodiment, the plurality of time domain resource units comprised by the target resource pool in the time domain belong to the first resource pool.

As an embodiment, the plurality of frequency domain resource units comprised by the target resource pool in the frequency domain belong to the first resource pool.

As an embodiment, any time domain resource unit of the plurality of time domain resource units comprised by the target resource pool in the time domain is one time domain resource unit of the plurality of time domain resource units comprised by the first resource pool in the time domain.

As an embodiment, any one of the plurality of frequency domain resource units comprised in the frequency domain by the target resource pool is one of the plurality of frequency domain resource units comprised in the frequency domain by the first resource pool.

As an embodiment, the target resource pool is reported to higher layers of the first node.

For one embodiment, the target resource pool is used for autonomous resource selection.

For an embodiment, the target resource pool includes the target time-frequency resource block.

As an embodiment, the target time frequency resource block is one time frequency resource block of the plurality of time frequency resource blocks included in the target resource pool.

As an embodiment, the time domain resource occupied by the target time frequency resource block includes one time domain resource unit of the plurality of time domain resource units included in the target resource pool.

As an embodiment, the frequency domain resource occupied by the target time-frequency resource block includes one of the frequency domain resource units included in the target resource pool.

As an embodiment, the target time-frequency resource block includes a target time-domain resource unit in a time domain, and the target time-domain resource unit is one of the plurality of time-domain resource units included in the target resource pool.

As an embodiment, the target time-frequency resource block includes a target frequency-domain resource unit in the frequency domain, the target frequency-domain resource unit being one of the plurality of frequency-domain resource units included in the target resource pool.

As an embodiment, the target time frequency resource block is one time frequency resource block of the M2 time frequency resource blocks in the second time window.

As an embodiment, the time domain resource occupied by the target time frequency resource block is within the second time window.

As an embodiment, the time domain resource occupied by the target time frequency resource block includes one time domain resource unit of the N2 time domain resource units in the second time window.

For one embodiment, the target time domain resource unit is within the second time window.

In one embodiment, the target time domain resource unit is one time domain resource unit of the N2 time domain resource units included in the second time window.

In one embodiment, the target signal is transmitted on the target time-frequency resource block.

In one embodiment, the target signal comprises the first target signaling transmitted on the target time-frequency resource block.

As an embodiment, the target signal comprises the first target signaling and the first target block of bits transmitted on the target block of time-frequency resources.

As an embodiment, the target signal includes the first target signaling, and the second target signaling and the first target bit block are transmitted on the target time-frequency resource block.

As an embodiment, the target time-frequency resource block comprises a PSCCH.

As an embodiment, the target time-frequency resource block comprises a psch.

As an embodiment, the target time-frequency resource block includes PSCCH and pscsch.

As an embodiment, the first measurement value is a result of measurement performed on the first time-frequency resource block.

For one embodiment, the first measurement value includes RSRP (Reference Signal Receiving Power).

As one embodiment, the first measurement value comprises a SL RSRP.

As an embodiment, the first measurement value includes L1-RSRP (Layer 1-RSRP, Layer 1-reference signal received power).

As an embodiment, the first measurement value comprises L3-RSRP (Layer 3-RSRP, Layer 3-reference signal received power).

As an embodiment, the first measurement value comprises RSSI (Received Signal Strength Indication).

As an embodiment, the first measurement value comprises a SL RSSI.

For one embodiment, the first measurement value comprises RSRQ (Reference Signal Receiving Quality).

As an embodiment, the first measurement is in dBm.

As an example, the unit of the first measurement value is dB.

As an embodiment, the unit of the first measurement value is mW.

As an embodiment, the unit of the first measurement value is W.

As an embodiment, a first reference signal is transmitted in the first time-frequency resource block.

For one embodiment, the first reference signal includes a SL RS.

As one embodiment, the first reference signal includes a SL DMRS.

For one embodiment, the first reference signal includes PSCCH DMRS.

For one embodiment, the first reference signal includes PSSCH DMRS.

As one embodiment, the first reference signal includes a first sequence.

As an embodiment, a first sequence is used to generate the first reference signal.

As an example, the first Sequence is a Pseudo-Random Sequence (Pseudo-Random Sequence).

As one example, the first Sequence is a Low Peak to Average Power Ratio (Low-PAPR Sequence, Low-Peak to Average Power Ratio).

As an embodiment, the first sequence is a Gold sequence.

As one embodiment, the first sequence is an M-sequence.

As an embodiment, the first sequence is a ZC (zadoff-Chu) sequence.

As an embodiment, the first Sequence is sequentially subjected to Sequence Generation (Sequence Generation), Discrete Fourier Transform (DFT), Modulation (Modulation), Resource Element Mapping (Resource Element Mapping), and wideband symbol Generation (Generation) to obtain the first reference signal.

As an embodiment, the first sequence is sequentially subjected to sequence generation, resource element mapping, and wideband symbol generation to obtain the first reference signal.

As an embodiment, the first sequence is mapped onto a positive integer number of res(s) comprised by the first block of time and frequency resources.

As an embodiment, the measuring in the first time-frequency resource block refers to measuring the first reference signal on the first time-frequency resource block.

As an embodiment, the measurement in the first time-frequency resource block refers to performing coherent detection-based reception on the first reference signal on the first time-frequency resource block, that is, the first node performs coherent reception on a signal on a time-frequency resource occupied by the first reference signal by using the first sequence, and measures that signal energy obtained after the coherent reception is the first measurement value.

As an embodiment, the measurement in the first time-frequency resource block refers to performing coherent detection-based reception on the first reference signal in the first time-frequency resource block, that is, the first node performs coherent reception on the signal on the time-frequency resource occupied by the first reference signal by using the first sequence, and then performs linear averaging on the signal power received on the REs included in the time-frequency resource occupied by the first reference signal, so as to obtain that the received power is the first measurement value.

As an embodiment, the measurement in the first time-frequency resource block refers to performing coherent detection-based reception on the first reference signal on the first time-frequency resource block, that is, the first node performs coherent reception on a signal on a time-frequency resource occupied by the first reference signal by using the first sequence, and averages received signal energy in a time domain and a frequency domain to obtain that the received power is the first measurement value.

As an embodiment, the measurement in the first time-frequency resource block refers to performing energy detection-based reception on the first reference signal on the first time-frequency resource block, that is, the first node respectively senses energy of a wireless signal on the multiple REs included in the time-frequency resource occupied by the first reference signal, and averages the energy over the multiple REs included in the time-frequency resource occupied by the first reference signal to obtain that the received power is the first measurement value.

As an embodiment, the measuring in the first time-frequency resource block refers to performing energy detection-based reception on the first time-frequency resource block, that is, the first node receives power of a wireless signal on the first time-frequency resource block, and linearly averages the received signal power to obtain that a signal strength indication is the first measurement value.

As an embodiment, measuring in the first time-frequency resource block refers to performing energy detection based reception on the first time-frequency resource block, i.e. the first node senses the energy of the wireless signal on the first time-frequency resource block and averages over time to obtain that the signal strength indication is the first measurement value.

As an embodiment, the measurement in the first time-frequency resource block refers to receiving based on blind detection on the first time-frequency resource block, that is, the first node receives a signal on the first time-frequency resource block and performs a decoding operation, and determines whether the decoding is correct according to CRC bits, so as to obtain that the channel quality of the first reference signal on the time-frequency resources occupied by the first reference signal is the first measurement value.

As an embodiment, the sender of the first signaling comprises a communication node.

As an embodiment, the sender of the first signaling comprises a second node in the present application.

As an embodiment, the sender of the first signaling comprises a user equipment.

As an embodiment, the sender of the first signaling comprises a relay node.

As an embodiment, the sender of the first signaling comprises a base station.

As an embodiment, the characteristic parameter of the sender of the first signaling includes that the sender of the first signaling determines the first time-frequency resource block by one of random selection, partial perception, or complete perception.

As an embodiment, the characteristic parameter of the sender of the first signaling includes that the sender of the first signaling determines the first time-frequency resource block in a randomly selected manner.

As an embodiment, the characteristic parameter of the sender of the first signaling includes that the sender of the first signaling determines the first time-frequency resource block in a partially perceptual manner.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises that the sender of the first signaling determines the first time-frequency resource block in a fully perceptual manner.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises one of the sender of the first signaling employing a power saving mode or the sender of the first signaling employing a non-power saving mode.

As one embodiment, the characteristic parameter of the sender of the first signaling comprises that the sender of the first signaling adopts a power saving mode.

As one embodiment, the characteristic parameter of the sender of the first signaling comprises that the sender of the first signaling adopts a non-power saving mode.

As an embodiment, at least the former of the first measurement value or the characteristic parameter of the sender of the first signaling is used for determining whether the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, a characteristic parameter of a sender of the first signaling is used to determine that the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, a characteristic parameter of a sender of the first signaling is used to determine that the first alternative time-frequency resource block does not belong to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling and the first measurement value are used to determine whether the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling and the first measurement value are used to determine that the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling and the first measurement value are used to determine that the first alternative time-frequency resource block does not belong to the target resource pool.

As an embodiment, that the first candidate time-frequency resource block belongs to the target resource pool means that the target resource pool includes the first candidate time-frequency resource block.

As an embodiment, that the first alternative time-frequency resource block does not belong to the target resource pool means that the target resource pool does not include the first alternative time-frequency resource block.

As an embodiment, that the first alternative time frequency resource block belongs to the target resource pool means that the first alternative time frequency resource block is one time frequency resource block in the multiple time frequency resource blocks included in the target resource pool.

As an embodiment, that the first candidate time-frequency resource block does not belong to the target resource pool means that the first candidate time-frequency resource block is different from any time-frequency resource block of the multiple time-frequency resource blocks included in the target resource pool.

As an embodiment, the multicarrier symbol in this application is an SC-FDMA (Single-Carrier Frequency Division Multiple Access) symbol.

As an embodiment, the multi-carrier symbol in this application is a DFT-S-OFDM (Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, the multicarrier symbol in this application is an FDMA (Frequency Division Multiple Access) symbol.

As an example, the multicarrier symbol in the present application is an FBMC (Filter Bank Multi-Carrier) symbol.

As an embodiment, the multicarrier symbol in this application is an IFDMA (Interleaved Frequency Division Multiple Access) symbol.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in fig. 2. Fig. 2 illustrates a diagram of a network architecture 200 of 5G NR, LTE (Long-Term Evolution) and LTE-a (Long-Term Evolution Advanced) systems. The 5G NR or LTE network architecture 200 may be referred to as a 5GS (5G System)/EPS (Evolved Packet System) 200 or some other suitable terminology. The 5GS/EPS 200 may include one or more UEs (User Equipment) 201, one UE241 in Sidelink (Sidelink) communication with the UE201, NG-RAN (next generation radio access Network) 202, 5GC (5G Core Network )/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server), Home Subscriber Server)/UDM (Unified Data Management) 220, and internet service 230. The 5GS/EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the 5GS/EPS provides packet switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit switched services or other cellular networks. The NG-RAN includes NR node b (gNB)203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gnbs 203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 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 (transmitting receiving node), or some other suitable terminology. In an NTN network, examples of the gNB203 include a satellite, an aircraft, or a ground base station relayed through a satellite. The gNB203 provides the UE201 with an access point to the 5GC/EPC 210. Examples of the UE201 include a cellular phone, a smart phone, 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., MP3 player), a camera, a game console, a drone, an aircraft, a narrowband internet of things device, a machine type communication device, a terrestrial vehicle, an automobile, a wearable device, or any other similar functioning device. Those skilled in the art may also refer to UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 is connected to the 5GC/EPC210 through an S1/NG interface. The 5GC/EPC210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/SMF (Session Management Function) 211, other MME/AMF/SMF214, S-GW (serving Gateway)/UPF (User Plane Function) 212, and P-GW (Packet data Network Gateway)/UPF 213. The MME/AMF/SMF211 is a control node that handles signaling between the UE201 and the 5GC/EPC 210. In general, the MME/AMF/SMF211 provides bearer and connection management. All user IP (Internet protocol) packets are transported through the S-GW/UPF212, which S-GW/UPF212 itself is connected to the P-GW/UPF 213. The P-GW provides UE IP address allocation as well as other functions. The P-GW/UPF213 is connected to the internet service 230. The internet service 230 includes an operator-corresponding internet protocol service, and may specifically include the internet, an intranet, an IMS (IP Multimedia Subsystem), and a packet-switched streaming service.

As an embodiment, the first node in this application includes the UE 201.

As an embodiment, the second node in this application includes the UE 241.

As an embodiment, the third node in this application includes the UE 241.

As an embodiment, the UE201 is included in the user equipment in the present application.

As an embodiment, the UE241 is a user equipment in this application.

As an embodiment, the base station apparatus in this application includes the gNB 203.

As an embodiment, the sender of the first signaling in this application includes the UE 241.

As an embodiment, the receiver of the first signaling in the present application includes the UE 201.

As an embodiment, the sender of the second signaling in this application includes the UE 241.

As an embodiment, the receiver of the second signaling in this application includes the UE 201.

As an embodiment, the sender of the target signal in the present application includes the UE 201.

As an embodiment, the receiver of the target signal in this application includes the UE 241.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to the present application, as shown in fig. 3. Fig. 3 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane 350 and the control plane 300, fig. 3 showing the radio protocol architecture for the first node device (RSU in UE or V2X, car mounted device or car mounted communication module) and the second node device (gNB, RSU in UE or V2X, car mounted device or car mounted communication module) or the control plane 300 between two UEs 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. The L1 layer will be referred to herein as PHY 301. Layer 2(L2 layer) 305 is above PHY301, and is responsible for the link between the first and second node devices and the two UEs through PHY 301. The L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the second node device. The PDCP sublayer 304 provides data ciphering and integrity protection, and the PDCP sublayer 304 also provides handoff support for a first node device to a second node device. The RLC sublayer 303 provides segmentation and reassembly of packets, retransmission of missing packets by ARQ, and the RLC sublayer 303 also provides duplicate packet detection and protocol error detection. The MAC sublayer 302 provides mapping between logical and transport channels and multiplexing of logical channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between the first node devices. The MAC sublayer 302 is also responsible for HARQ operations. A RRC (Radio Resource Control) sublayer 306 in layer 3 (layer L3) in the Control plane 300 is responsible for obtaining Radio resources (i.e., Radio bearers) and configuring the lower layers using RRC signaling between the second node device and the first node device. The radio protocol architecture of the user plane 350 includes layer 1(L1 layer) and layer 2(L2 layer), the radio protocol architecture in the user plane 350 for the first node device and the second node device is substantially the same for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides header compression for upper layer packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 further includes an SDAP (Service Data Adaptation Protocol) sublayer 356, and the SDAP sublayer 356 is responsible for mapping between QoS streams and Data Radio Bearers (DRBs) to support diversity of services. Although not shown, the first node device may have several upper layers above the L2 layer 355, 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., far end UE, server, etc.).

As an example, the wireless protocol architecture in fig. 3 is applicable to the first node in this application.

The radio protocol architecture of fig. 3 applies to the second node in this application as an example.

As an example, the radio protocol architecture in fig. 3 is applicable to the third node in the present application.

As an embodiment, the first signaling in this application is generated in the PHY 301.

As an embodiment, the first signaling in this application is generated in the RRC sublayer 306.

As an embodiment, the first signaling in this application is transmitted to the PHY301 via the MAC sublayer 302.

As an embodiment, the second signaling in this application is generated in the PHY 301.

As an embodiment, the second signaling in this application is generated in the RRC sublayer 306.

As an embodiment, the second signaling in this application is transmitted to the PHY301 via the MAC sublayer 302.

As an embodiment, the target signal in the present application is generated in the RRC sublayer 306.

As an embodiment, the target signal in the present application is transmitted to the PHY301 via the MAC sublayer 302.

Example 4

Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in fig. 4. Fig. 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.

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

The second communications 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.

In 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 a controller/processor 475. The controller/processor 475 implements the functionality of layer L2. In transmissions from the first communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the second communications 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 and mapping of signal constellation based on various modulation schemes (e.g., Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based precoding and non-codebook based precoding, and beamforming processing on the coded and modulated symbols to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with reference signals (e.g., pilots) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to generate the physical channels that carry the time-domain multicarrier symbol streams. The multi-antenna transmit processor 471 then performs analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream that is then provided to a different antenna 420.

In a transmission from the first communications device 410 to the second communications device 450, at the second communications device 450, each receiver 454 receives a signal through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456. Receive processor 456 and multi-antenna receive processor 458 implement the various signal processing functions of the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol streams from receiver 454. Receive processor 456 converts the received analog precoded/beamformed baseband multicarrier symbol stream from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signals and the reference signals to be used for channel estimation are demultiplexed by the receive processor 456, and the data signals are subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the second communication device 450. The symbols on each spatial stream are demodulated and recovered at a 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 a controller/processor 459. The controller/processor 459 implements the functionality of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In transmissions 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, deciphering, header decompression, control signal processing to recover upper layer packets from the core network. The upper layer packet is then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.

In a transmission from the second communications device 450 to the first communications device 410, a data source 467 is used at the second communications device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the send function at the first communications apparatus 410 described in the transmission from the first communications apparatus 410 to the second communications apparatus 450, the controller/processor 459 performs header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, performing 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 said first communications device 410. A transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding by a multi-antenna transmit processor 457 including codebook-based precoding and non-codebook based precoding, and beamforming, and the transmit processor 468 then modulates the resulting spatial streams into multi-carrier/single-carrier symbol streams, which are provided to different antennas 452 via a transmitter 454 after analog precoding/beamforming in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides the radio frequency symbol stream to the antenna 452.

In a 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 receiving functionality at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives an rf signal through its respective antenna 420, converts the received rf signal to a baseband signal, and provides the baseband signal to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multiple antenna receive processor 472 collectively implement the functionality of the L1 layer. The controller/processor 475 implements the L2 layer functions. The controller/processor 475 can be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In transmissions from the second communications device 450 to the first communications device 410, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer packets from the UE 450. Upper layer data packets from the controller/processor 475 may be provided to a core network.

As an embodiment, the first node in this application includes the second communication device 450, and the second node in this application includes the first communication device 410.

As an embodiment, the first node in this application includes the second communication device 450, and the third node in this application includes the first communication device 410.

As an embodiment, the first node in this application includes the second communication device 450, the second node in this application includes the first communication device 410, and the third node in this application includes the first communication device 410.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a user equipment.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a relay node.

As a sub-embodiment of the foregoing embodiment, the first node is a relay node, and the second node is a user equipment.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a base station.

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

As a sub-embodiment of the above-described embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As a sub-embodiment of the above-described embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for error detection using positive Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocols to support HARQ operations.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The second communication device 450 apparatus at least: monitoring a first signaling in a first resource pool; measuring in a first time-frequency resource block and obtaining a first measurement value; sending a target signal on a target time-frequency resource block; the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block overlaps with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

As an embodiment, the second communication device 450 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: monitoring a first signaling in a first resource pool; measuring in a first time-frequency resource block and obtaining a first measured value; sending a target signal on a target time-frequency resource block; the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block overlaps with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The first communication device 410 means at least: transmitting a first signaling in a first resource pool; receiving a target signal on a target time frequency resource block; the first signaling is used to determine a first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the target signal is associated to a first priority; the first signaling is used to indicate a second priority; the first priority and the second priority are used by a recipient of the first signaling to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the starting time of the second time frequency resource block is later than the ending time of the first time frequency resource block; characteristic parameters of the second node, or at least the former of the first threshold and the second time-frequency resource block are used by a receiver of the first signaling to determine the target time-frequency resource block; the first resource pool comprises the target time frequency resource block.

As an embodiment, the first communication device 410 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: transmitting a first signaling in a first resource pool; receiving a target signal on a target time frequency resource block; the first signaling is used to determine a first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the target signal is associated to a first priority; the first signaling is used to indicate a second priority; the first priority and the second priority are used by a recipient of the first signaling to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the starting time of the second time frequency resource block is later than the ending time of the first time frequency resource block; characteristic parameters of the second node, or at least the former of the first threshold and the second time-frequency resource block are used by a receiver of the first signaling to determine the target time-frequency resource block; the first resource pool comprises the target time frequency resource block.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The first communication device 410 means at least: transmitting a second signaling in the first resource pool; receiving a target signal on a target time frequency resource block; the second signaling is used to determine a third time-frequency resource block; the first resource pool comprises the third time-frequency resource block; the target signal is associated to a first priority; the second signaling is used to indicate a third priority; the first priority and the third priority are used by a recipient of the second signaling to determine a second threshold; the second signaling is used to determine a fourth time-frequency resource block; the starting time of the fourth time frequency resource block is later than the ending time of the third time frequency resource block; the second signaling comprises characteristic parameters of a third node; the characteristic parameter of the third node is that the third node determines the third time-frequency resource block by adopting one of full sensing or partial sensing, or the characteristic parameter of the third node is that the third node adopts a non-power saving mode; a characteristic parameter of the third node, or at least the former of the second threshold is used by a receiver of the second signaling to determine the target time-frequency resource block; the first resource pool comprises the target time frequency resource block.

As an embodiment, the first communication device 410 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: transmitting a second signaling in the first resource pool; receiving a target signal on a target time frequency resource block; the second signaling is used to determine a third time-frequency resource block; the first resource pool comprises the third time-frequency resource block; the target signal is associated to a first priority; the second signaling is used to indicate a third priority; the first priority and the third priority are used by a recipient of the second signaling to determine a second threshold; the second signaling is used to determine a fourth time-frequency resource block; the starting time of the fourth time frequency resource block is later than the ending time of the third time frequency resource block; the second signaling comprises characteristic parameters of the third node; the characteristic parameter of the third node is that the third node determines the third time-frequency resource block by adopting one of full sensing or partial sensing, or the characteristic parameter of the third node is that the third node adopts a non-power saving mode; a characteristic parameter of the third node, or at least the former of the second threshold is used by a receiver of the second signaling to determine the target time-frequency resource block; the first resource pool comprises the target time frequency resource block.

As an example, at least one of { the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467} is used for monitoring for first signaling in the first resource pool in this application.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 may be used to make measurements in a first block of time and frequency resources and obtain a first measurement in this application.

As an example, at least one of { the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467} is used in this application to monitor for second signaling in the first resource pool.

As an example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 may be used to make measurements in the third time-frequency resource block and obtain a second measurement in this application.

As one example, 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, and the data source 467 may be utilized to transmit a target signal on a target time-frequency resource block as described herein.

As an example, 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.

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

As an example, at least one of { the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, the controller/processor 475, the memory 476} is used in this application to receive a target signal on a target time-frequency resource block.

Example 5

Embodiment 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in fig. 5. In fig. 5, communication between the first node U1, the second node U2, and the third node U3 is over an air interface, and the steps in block F0, the steps in block F1, and the steps in block F2 of fig. 5 are optional, respectively.

ForFirst node U1Monitoring for first signaling in a first resource pool in step S11; measuring in a first time-frequency resource block and obtaining a first measurement value in step S12; monitoring the first resource pool for second signaling in step S13; measuring in a third time-frequency resource block and obtaining a second measurement value in step S14; in step S15, the target signal is transmitted on the target time-frequency resource block.

For theSecond node U2Transmitting a first signaling in step S21; in step S22, a target signal is received on a target time-frequency resource block.

For theThird node U3Transmitting a second signaling in step S31; in step S32, a target signal is received on a target time-frequency resource block.

In embodiment 5, the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block is overlapped with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool; the second signaling is detected; the second signaling is used to determine the third time-frequency resource block; the first resource pool comprises the third time-frequency resource block; the third time frequency resource block is within the first time window; the second signaling indicates a third priority; the first priority and the third priority are used to determine a second threshold; the second signaling determines a fourth time-frequency resource block; the fourth time frequency resource block overlaps with the first alternative time frequency resource block; the second signaling comprises characteristic parameters of a sender of the second signaling; determining, by the sender of the second signaling, the third time-frequency resource block in one of full sensing or partial sensing, or determining, by the sender of the second signaling, a non-power saving mode; the characteristic parameter of the sender of the second signaling is different from the characteristic parameter of the sender of the first signaling; the second measurement is not above the second threshold.

As an embodiment, the characteristic parameter of the sender of the first signaling includes one of a first characteristic parameter or a second characteristic parameter, the first characteristic parameter is that the sender of the first signaling determines the first time-frequency resource block by using one of random selection or partial perception, the second characteristic parameter is that the sender of the first signaling determines the first time-frequency resource block by using one of full perception or partial perception, and the first characteristic parameter is different from the second characteristic parameter.

As an embodiment, the characteristic parameter of the sender of the first signaling includes one of a third characteristic parameter or a fourth characteristic parameter, the third characteristic parameter indicates that the sender of the first signaling adopts a power saving mode, and the fourth characteristic parameter indicates that the sender of the first signaling adopts a non-power saving mode.

As an embodiment, when the characteristic parameter of the sender of the first signaling includes the first characteristic parameter, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

As an embodiment, when the characteristic parameter of the sender of the first signaling includes the third characteristic parameter, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

As an embodiment, the target time-frequency resource block is indicated from the target resource pool.

As an embodiment, the target time-frequency resource block is randomly selected from the plurality of time-frequency resource blocks included in the target resource pool.

As an embodiment, the target time frequency resource block is autonomously selected by the first node U1 from the plurality of time frequency resource blocks comprised by the target resource pool.

For one embodiment, the first node U1 and the second node U2 communicate with each other through a PC5 interface.

For one embodiment, the first node U1 and the third node U3 communicate with each other through a PC5 interface.

As one embodiment, the sender of the first signaling is co-located with the sender of the second signaling.

As an embodiment, the sender of the first signaling and the sender of the second signaling are the same communication node.

As an embodiment, the sender of the first signaling and the sender of the second signaling are the same user equipment.

As an embodiment, a Backhaul Link (Backhaul Link) between the sender of the first signaling and the sender of the second signaling is ideal (i.e. the delay can be neglected).

As one embodiment, the sender of the first signaling and the sender of the second signaling share a same set of BaseBand (BaseBand) devices.

As one embodiment, the sender of the first signaling is non-co-located with the sender of the second signaling.

As an embodiment, the sender of the first signaling is the second node U2 in this application.

As an embodiment, the sender of the second signaling is the third node U3 in this application.

As an embodiment, the sender of the first signaling and the sender of the second signaling are two different communication nodes, respectively.

As an embodiment, the sender of the first signaling and the sender of the second signaling are two different user equipments, respectively.

As an embodiment, the backhaul link between the sender of the first signaling and the sender of the second signaling is non-ideal (i.e. the delay may not be negligible).

As one embodiment, the sender of the first signaling and the sender of the second signaling do not share the same set of baseband devices.

As one example, the step in block F0 in fig. 5 exists.

As one example, the step in block F0 in fig. 5 is not present.

As one example, the step in block F1 in fig. 5 exists.

As one example, the step in block F1 in fig. 5 is not present.

As one example, the step in block F2 in fig. 5 exists.

As one example, the step in block F2 in fig. 5 is not present.

As an embodiment, the characteristic parameter of the sender of the first signaling is that the sender of the first signaling determines the first block of time and frequency resources in a randomly selected manner, and the step in block F0 in fig. 5 exists.

As an embodiment, the characteristic parameter of the sender of the first signaling is that the sender of the first signaling determines the first block of time and frequency resources in a partially perceptual manner, and the step in block F0 in fig. 5 exists.

As an embodiment, the characteristic parameter of the sender of the first signaling is that the sender of the first signaling determines the first block of time and frequency resources in a partially perceptual manner, and the step in block F0 in fig. 5 does not exist.

As an embodiment, the characteristic parameter of the sender of the first signaling is that the sender of the first signaling determines the first block of time and frequency resources in a fully perceptual manner, and the step in block F0 in fig. 5 is absent.

As an embodiment, the third time-frequency resource block is one time-frequency resource block of the plurality of time-frequency resource blocks comprised by the first resource pool.

As an embodiment, the time domain resource occupied by the third time-frequency resource block includes one time domain resource unit of the plurality of time domain resource units included in the first resource pool.

As an embodiment, the frequency domain resource occupied by the third time-frequency resource block includes one of the plurality of frequency domain resource units included in the first resource pool.

As an embodiment, the third time frequency resource block is one time frequency resource block of the M1 time frequency resource blocks within the first time window.

As an embodiment, the time domain resource occupied by the third time-frequency resource block is within the first time window.

As an embodiment, the fourth time frequency resource block is one of the plurality of time frequency resource blocks included in the first resource pool.

As an embodiment, the time domain resource occupied by the fourth time frequency resource block includes one time domain resource unit of the plurality of time domain resource units included in the first resource pool.

As an embodiment, the frequency domain resource occupied by the fourth time-frequency resource block includes one of the plurality of frequency domain resource units included in the first resource pool.

As an embodiment, the fourth time-frequency resource block is one time-frequency resource block of the M2 time-frequency resource blocks in the second time window.

As an embodiment, the time domain resource occupied by the fourth time frequency resource block is within the second time window.

As an embodiment, the phrase that the fourth time frequency resource block overlaps with the first alternative time frequency resource block means that the time domain resource occupied by the fourth time frequency resource block is the same as the time domain resource occupied by the first alternative time frequency resource block, and the frequency domain resource occupied by the fourth time frequency resource block is different from the frequency domain resource occupied by the first alternative time frequency resource block.

As an embodiment, the phrase that the fourth time frequency resource block overlaps with the first alternative time frequency resource block means that the time domain resource occupied by the fourth time frequency resource block is the same as the time domain resource occupied by the first alternative time frequency resource block, and the frequency domain resource occupied by the second time frequency resource block is partially the same as the frequency domain resource occupied by the first alternative time frequency resource block.

For one embodiment, the second signaling comprises one or more fields in a PHY layer signaling.

As an embodiment, the second signaling comprises one or more fields in one SCI.

As an embodiment, the second signaling comprises all or part of a higher layer signaling.

As an embodiment, the channel occupied by the second signaling comprises a PSCCH.

As an embodiment, the channel occupied by the second signaling comprises a PSSCH.

As an embodiment, the phrase "monitoring second signaling in the first resource pool" refers to blind detection based reception of the second signaling in the format of the plurality of time-frequency resource blocks included in the first resource pool, that is, the first node U1 receives signals in the format of the second signaling on the M1 time-frequency resource blocks within the first time window and performs a decoding operation, and if it is determined from CRC bits that the decoding is correct, the second signaling is determined to be detected; otherwise, the second signaling is judged not to be detected.

As an embodiment, the phrase "monitoring the second signaling in the first resource pool" refers to receiving based on coherent detection in the plurality of time frequency resource blocks included in the first resource pool, that is, the first node U1 performs coherent reception on a wireless signal by using an RS sequence corresponding to the DMRS of the second signaling on the M1 time frequency resource blocks within the first time window, and measures energy of the signal obtained after the coherent reception; if the energy of the signal obtained after the coherent reception is greater than a third given threshold value, judging that the second signaling is detected; otherwise, the second signaling is judged not to be detected.

As an embodiment, the phrase "monitoring second signaling in the first resource pool" refers to reception based on energy detection in the plurality of time-frequency resource blocks comprised by the first resource pool, i.e. the first node U1 senses the energy of the wireless signal over the M1 time-frequency resource blocks within the first time window and averages over time to obtain the received energy; if the received energy is greater than a fourth given threshold, determining that the second signaling is detected; otherwise, the second signaling is judged not to be detected.

As an embodiment, the second signaling is detected, that is, the second signaling is received based on blind detection, and then decoding is determined to be correct according to CRC bits.

As an embodiment, the second signaling is used to schedule the PSSCH and the second level SCI.

As an embodiment, the second signaling indicates the third time-frequency resource block.

As an embodiment, the second signaling indicates a frequency domain resource occupied by the third time-frequency resource block.

As an embodiment, the second signaling indicates a time domain resource occupied by the third time-frequency resource block.

As an embodiment, the second signaling is used to reserve the fourth time-frequency resource block.

As an embodiment, the second signaling is used to reserve frequency domain resources occupied by the fourth time frequency resource block.

As an embodiment, the second signaling is used to reserve the time domain resource occupied by the fourth time frequency resource block.

As an embodiment, the second signaling indicates a time domain interval between a time domain resource occupied by the fourth time frequency resource block and a time domain resource occupied by the third time frequency resource block.

As an embodiment, the second signaling indicates a frequency domain resource occupied by the third time-frequency resource block, and the frequency domain resource occupied by the fourth time-frequency resource block is the same as the frequency domain resource occupied by the third time-frequency resource block.

As an embodiment, the third priority is a positive integer.

As an embodiment, the third priority is configured for higher layer signaling.

As an embodiment, the third priority is one of P positive integers, where P is a positive integer.

As an embodiment, the third priority is a positive integer from 1 to P.

As one embodiment, the third priority is a layer 1(L1) priority.

As an embodiment, the second signaling indicates the third priority.

As an embodiment, the second signaling indicates an index of the third priority in a priority list, the priority list comprising a positive integer number of priorities, the third priority being one of the positive integer number of priorities comprised by the priority list.

As one embodiment, the unit of the second threshold is dBm.

As an embodiment, the unit of the second threshold is dB.

As an embodiment, the unit of the second threshold is mW.

As one embodiment, the unit of the second threshold is W.

For one embodiment, the second threshold is one of the positive integer number of first class thresholds included in the first threshold pool.

As an embodiment, the first threshold pool includes a positive integer number of first class threshold lists, the first threshold list includes a positive integer number of first class thresholds, and the second threshold is one of the positive integer number of first class thresholds included in the first threshold list.

For one embodiment, the first priority and the third priority are used to determine the second threshold from the first threshold pool.

As an embodiment, the first priority is used to determine the first threshold list from the positive integer number of first class threshold lists comprised by the first threshold pool, and the third priority is used to determine the second threshold from the positive integer number of first class thresholds comprised by the first threshold list.

As an embodiment, the second measurement value is a result of measurement on the first time-frequency resource block.

As one embodiment, the second measurement value includes SLRSRP.

As an embodiment, the second measurement value includes L1-RSRP (Layer 1-RSRP, Layer 1-reference signal received power).

As an embodiment, the second measurement value includes L3-RSRP (Layer 3-RSRP, Layer 3-reference signal received power).

For one embodiment, the second measurement value comprises a SL RSSI.

As one embodiment, the second measurement value comprises RSRQ.

As an embodiment, a second reference signal is transmitted in the third time-frequency resource block.

For one embodiment, the second reference signal includes a SL RS.

For one embodiment, the second reference signal includes PSCCH DMRS.

For one embodiment, the second reference signal includes PSSCH DMRS.

As one embodiment, the second reference signal includes a second sequence.

As an embodiment, a second sequence is used to generate the second reference signal.

As an embodiment, the second sequence is a pseudo-random sequence.

As one example, the second sequence is a low peak-to-average ratio sequence.

As an embodiment, the second sequence is a ZC sequence.

As an embodiment, the measuring in the third time frequency resource block refers to measuring the second reference signal on the third time frequency resource block.

As an embodiment, the measurement in the third time-frequency resource block refers to performing coherent detection-based reception on the second reference signal on the third time-frequency resource block, that is, the first node U1 performs coherent reception on the signal on the time-frequency resource occupied by the second reference signal by using the second sequence, and measures the signal energy obtained after the coherent reception to be the second measurement value.

As an embodiment, the measurement in the third time-frequency resource block refers to performing coherent detection-based reception on the second reference signal on the third time-frequency resource block, that is, the first node U1 performs coherent reception on the signals on the time-frequency resources occupied by the second reference signal by using the second sequence, and then performs linear average on the signal powers received on the plurality of REs included in the time-frequency resources occupied by the second reference signal, so as to obtain that the received power is the second measured value.

As an embodiment, the measurement in the third time-frequency resource block refers to performing energy detection-based reception on the second reference signal on the third time-frequency resource block, that is, the first node U1 respectively senses the energy of the wireless signal on the plurality of REs included in the time-frequency resource occupied by the second reference signal, and averages the energy on the plurality of REs included in the time-frequency resource occupied by the second reference signal, so as to obtain that the received power is the second measurement value.

As an embodiment, the second measurement value is not higher than the second threshold value.

As an embodiment, the second measurement value is lower than the second threshold value.

As an embodiment, the second measurement is equal to the second threshold.

As an embodiment, the sender of the second signaling comprises a communication node.

As an embodiment, the sender of the second signaling comprises a third node U3 in this application.

As an embodiment, the characteristic parameter of the sender of the second signaling includes that the sender of the second signaling determines the third time-frequency resource block by one of partial perception or complete perception.

As one embodiment, the characteristic parameter of the sender of the second signaling comprises that the sender of the second signaling adopts a non-power saving mode.

As an embodiment, the second signaling comprises the characteristic parameter of a sender of the second signaling.

As an embodiment, the second signaling directly indicates the characteristic parameter of a sender of the second signaling.

As an embodiment, the second signaling indirectly indicates the characteristic parameter of a sender of the second signaling.

As an embodiment, the second signaling comprises a second identity, which is used to determine the characteristic parameter of the sender of the second signaling.

As an embodiment, the second identification is used to identify a sender of the second signaling.

As an example, the second identification is used to identify the third node U3 in this application.

As an embodiment, the second flag includes a positive integer number of bits.

As an embodiment, the second identity includes an RNTI (Radio Network Temporary Identifier).

As one embodiment, the first set of values includes Q1 integers, the second set of values includes Q2 integers, and Q1 and Q2 are both positive integers.

As an embodiment, the second signaling includes the second identifier that is a non-negative integer; when the second identifier is one of the Q1 integers included in the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling determines the third time-frequency resource block in a randomly selected manner; when the second identity is one of the Q2 integers comprised by the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling determines the third time-frequency resource block in a fully perceptual manner.

As an embodiment, the second signaling includes the second identifier being a non-negative integer; when the second identifier is one of the Q1 integers included in the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling determines the third time-frequency resource block in a randomly selected manner; when the second identifier is one of the Q2 integers included in the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling determines the third time-frequency resource block in a partially perceptual manner.

As an embodiment, the second signaling includes the second identifier being a non-negative integer; when the second identifier is one of the Q1 integers included in the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling determines the third time-frequency resource block in a partially perceptual manner; when the second identity is one of the Q2 integers comprised by the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling determines the third time-frequency resource block in a fully perceptual manner.

As an embodiment, the second signaling includes the second identifier being a non-negative integer; when the second identity is one of the Q1 integers comprised in the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling adopts a power saving mode; when the second identity is one of the Q2 integers included in the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the second signaling adopts a non-power saving mode.

As an embodiment, the second signaling comprises a plurality of domains, and the characteristic parameter of the sender of the second signaling is one of the plurality of domains comprised by the second signaling.

Example 6

Embodiment 6 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in fig. 6. In fig. 6, the first node U4 communicates with other communication nodes over an air interface.

For theFirst node U4Monitoring the first signaling in the first resource pool in step S41; in step S42, channel occupancy ratio estimation is performed on the reference time-frequency resource block.

ForSecond node U5In step S51, the first signaling is sent.

In embodiment 6, the first signaling includes a characteristic parameter of a sender of the first signaling; the reference time domain resource block is earlier than the time domain resource occupied by the target time frequency resource block; the time domain resource interval occupied by the reference time domain resource block and the target time frequency resource block is offset by a first time domain; the first time domain offset comprises a positive integer number of time domain resource units; the channel occupancy ratio estimate is independent of the characteristic parameter of a sender of the first signaling.

As an embodiment, the first signaling comprises the characteristic parameter of a sender of the first signaling.

As an embodiment, the first signaling directly indicates the characteristic parameter of a sender of the first signaling.

As an embodiment, the first signaling indirectly indicates the characteristic parameter of a sender of the first signaling.

As an embodiment, the first signaling comprises a first identity, which is used to determine the characteristic parameter of the sender of the first signaling.

As an embodiment, the first identification is used to identify a sender of the first signaling.

As an example, the first identifier is used to identify the second node U5 in this application.

As one embodiment, the first flag includes a positive integer number of bits.

As an embodiment, the first identity comprises an RNTI.

As an embodiment, the first signaling includes the first identifier being a non-negative integer; when the first identifier is one of the Q1 integers included in the first set of values, the characteristic parameter of the sender of the first signaling is that the sender of the first signaling determines the first time-frequency resource block in a randomly selected manner; when the second identity is one of the Q2 integers comprised by the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling determines the first block of time-frequency resources in a fully perceptual manner.

As an embodiment, the second signaling includes the second identifier being a non-negative integer; when the second identifier is one of the Q1 integers included in the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling determines the first time-frequency resource block in a randomly selected manner; when the second identity is one of the Q2 integers comprised by the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling determines the first block of time-frequency resources in a partially perceptual manner.

As an embodiment, the second signaling includes the second identifier being a non-negative integer; when the second identifier is one of the Q1 integers included in the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling determines the first block of time-frequency resources in a partially perceptual manner; when the second identity is one of the Q2 integers comprised by the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling determines the first block of time-frequency resources in a fully perceptual manner.

As an embodiment, the second signaling includes the second identifier that is a non-negative integer; when the second identity is one of the Q1 integers comprised by the first set of values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling adopts a power saving mode; when the second identity is one of the Q2 integers comprised by the second set of numerical values, the characteristic parameter of the sender of the second signaling is that the sender of the first signaling adopts a non-power saving mode.

As an embodiment, the reference time domain resource block includes one of the plurality of time domain resource units included in the first resource pool.

As an embodiment, the reference time domain resource block is one time-frequency resource unit of the plurality of time domain resource units comprised by the first resource pool.

As an embodiment, a starting time of the reference time-domain resource block is earlier than a starting time of the target time-frequency resource block in a time domain.

As an embodiment, an end time of the reference time-domain resource block is earlier than an end time of the target time-frequency resource block in a time domain.

As an embodiment, an ending time of the reference time-domain resource block is earlier than a starting time of the target time-frequency resource block in a time domain.

As an embodiment, the time domain resource interval occupied by the reference time domain resource block and the target time frequency resource block is the first time domain offset, and the first time domain offset includes a positive integer number of time domain resource units.

As an embodiment, the reference time-domain resource block is a time-domain resource unit that is backward shifted by the first time-domain shift from a time-domain resource unit included in the target time-frequency resource block in the time domain.

As one embodiment, performing the channel occupancy ratio estimation is used to transmit the target signal.

As an embodiment, the channel occupancy ratio is related to the first priority.

As an embodiment, the Channel Occupancy Ratio includes a SL CR (Sidelink Channel Occupancy Ratio).

As an embodiment, the Channel occupancy Ratio includes SL CBR (Sidelink Channel Busy Ratio).

As an embodiment, X1 time-frequency resource blocks within a first evaluation window are used for transmission by the first node U4, the X1 time-frequency resource blocks belong to the first resource pool, the first evaluation window is earlier than the reference time-frequency resource block.

As an embodiment, the first evaluation window includes a positive integer number of time domain resource units, and the time domain resources occupied by the X1 time frequency resource blocks are the same as the positive integer number of time domain resource units included in the first evaluation window.

As an embodiment, X2 time-frequency resource blocks within a second evaluation window are granted to the first node U4 for transmission, the X2 time-frequency resource blocks belong to the first resource pool, the second evaluation window is no earlier than the reference time-frequency resource block.

As an embodiment, the second evaluation window includes a positive integer number of time domain resource units, and the time domain resources occupied by the X2 time frequency resource blocks are the same as the positive integer number of time domain resource units included in the second evaluation window.

As an embodiment, the phrase "performing a channel occupancy assessment on a reference time domain resource block" refers to a quotient of a sum of the X1 time frequency resource blocks and the X2 time frequency resource blocks divided by a number of all time frequency resource blocks in the first resource pool configured within the first and second assessment windows.

As an embodiment, the phrase "the channel occupancy ratio estimation is independent of the characteristic parameter of the sender of the first signaling" means that the X1 time-frequency resource blocks within the first estimation window include the first time-frequency resource block, and the characteristic parameter of the sender of the first signaling is that the sender of the first signaling determines the first time-frequency resource block by any one of random selection, partial perception, or complete perception.

As an embodiment, the phrase "the channel occupancy ratio assessment is independent of the characteristic parameter of the sender of the first signaling" means that the X1 time-frequency resource blocks within the first assessment window include the first time-frequency resource block, the characteristic parameter of the sender of the first signaling is either that the sender of the first signaling employs a power saving mode or that the sender of the first signaling employs a non-power saving mode.

Example 7

Embodiment 7 illustrates a schematic diagram of a relationship between a first characteristic parameter and a second characteristic parameter according to an embodiment of the present application, as shown in fig. 7. In fig. 7, the left frame represents a first characteristic parameter in the present application, and the right frame represents a second characteristic parameter in the present application.

In embodiment 7, the characteristic parameter of the sender of the first signaling includes one of a first characteristic parameter or a second characteristic parameter; when the characteristic parameter of the sender of the first signaling comprises the first characteristic parameter, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

As an embodiment, the first characteristic parameter refers to that the sender of the first signaling determines the first time-frequency resource block in a randomly selected manner, and the second characteristic parameter refers to that the sender of the first signaling determines the first time-frequency resource block in a fully perceived manner.

As an embodiment, the first characteristic parameter refers to that the sender of the first signaling determines the first time-frequency resource block in a randomly selected manner, and the second characteristic parameter refers to that the sender of the first signaling determines the first time-frequency resource block in a partially perceived manner.

As an embodiment, the first characteristic parameter refers to that the sender of the first signaling determines the first time-frequency resource block in a partially perceptual manner, and the second characteristic parameter refers to that the sender of the first signaling determines the first time-frequency resource block in a fully perceptual manner.

As an embodiment, the first characteristic parameter is different from the second characteristic parameter.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises the first characteristic parameter, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises the first characteristic parameter, the first measurement value is higher than the first threshold value, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter, the first measurement value is not higher than the first threshold value, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter, the first measurement value is higher than the first threshold value, and the first alternative time-frequency resource block belongs to the target resource pool.

Example 8

Embodiment 8 illustrates a schematic diagram of a relationship between a third characteristic parameter and a fourth characteristic parameter according to an embodiment of the present application, as shown in fig. 8. In fig. 8, the left frame represents the third characteristic parameter in the present application, and the right frame represents the fourth characteristic parameter in the present application.

In embodiment 8, the characteristic parameter of the sender of the first signaling comprises one of a third characteristic parameter or a fourth characteristic parameter; when the characteristic parameter of the sender of the first signaling comprises the third characteristic parameter, the first alternative time frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

As an embodiment, the third characteristic parameter is that the sender of the first signaling adopts a power saving mode, and the second characteristic parameter is that the sender of the first signaling adopts a non-power saving mode.

As an embodiment, the characteristic parameter of the sender of the first signaling includes the third characteristic parameter, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises the third characteristic parameter, the first measurement value is higher than the first threshold value, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling includes the fourth characteristic parameter, the first measurement value is not higher than the first threshold, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter, the first measurement value is higher than the first threshold value, and the first alternative time-frequency resource block belongs to the target resource pool.

As an embodiment, the sender of the first signaling using the power saving mode comprises the sender of the first signaling using a random selection (random selection) to determine the first block of time and frequency resources.

As an embodiment, the transmitter of the first signaling employing the power saving mode includes the transmitter of the first signaling employing a partial sensing (partial sensing) approach to determine the first block of time and frequency resources.

As one embodiment, the non-power saving mode employed by the sender of the first signaling includes the sender of the first signaling employing full sensing (full sensing) to determine the first block of time and frequency resources.

As an embodiment, the non-power saving mode employed by the sender of the first signaling includes the sender of the first signaling employing partial sensing (partial sensing) to determine the first block of time and frequency resources.

As one embodiment, the transmitter of the first signaling employing the power save mode includes the transmitter of the first signaling not receiving any of sidelink signals or sidelink channels.

As an embodiment, the employing of the power saving mode by the transmitter of the first signaling comprises the transmitter of the first signaling receiving PSFCH and SLSS/PSBCH blocks, the transmitter of the first signaling not receiving PSSCH and PSCCH.

As one embodiment, employing the non-power saving mode by the transmitter of the first signaling comprises the transmitter of the first signaling receiving at least one of a PSCCH and a PSCCH.

As an embodiment, the non-power saving mode employed by the transmitter of the first signaling comprises the transmitter of the first signaling receiving at least one of a PSFCH, a PSCCH, a psch and an SLSS/PSBCH block.

As an embodiment, the transmitter of the first signaling adopts the power saving mode including a DRX mode (Discontinuous Reception mode).

As an embodiment, the transmitter of the first signaling in the non-power saving mode comprises a non-DRX mode (non-Discontinuous Reception mode).

Example 9

Embodiment 9 is a block diagram illustrating a processing apparatus used in a first node, as shown in fig. 9. In embodiment 9, the first node device processing apparatus 900 is mainly composed of a first receiver 901, a second receiver 902, and a first transmitter 903.

For one embodiment, the first receiver 901 includes at least one of the antenna 452, the transmitter/receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 shown in fig. 4.

For one embodiment, the second receiver 902 includes at least one of the antenna 452, the transmitter/receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 4.

The first transmitter 903 includes, for one embodiment, at least one of the antenna 452, the transmitter/receiver 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 4 of the present application.

In embodiment 9, the first receiver 901 monitors a first signaling in a first resource pool; the second receiver 902 measures in a first time-frequency resource block and obtains a first measurement value; the first transmitter 903 transmits a target signal on a target time frequency resource block; the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block overlaps with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used to determine whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

For an embodiment, the first receiver 901 monitors the first resource pool for a second signaling; the second receiver 902 measures in the third time-frequency resource block and obtains a second measurement value; the second signaling is detected; the second signaling is used to determine the third time-frequency resource block; the first resource pool comprises the third time-frequency resource block; the third time frequency resource block is within the first time window; the second signaling indicates a third priority; the first priority and the third priority are used to determine a second threshold; the second signaling determines a fourth time-frequency resource block; the fourth time frequency resource block overlaps with the first alternative time frequency resource block; the second signaling comprises characteristic parameters of a sender of the second signaling; determining, by the sender of the second signaling, the third time-frequency resource block in one of full sensing or partial sensing, or determining, by the sender of the second signaling, a non-power saving mode; the characteristic parameter of the sender of the second signaling is different from the characteristic parameter of the sender of the first signaling; the second measurement is not above the second threshold.

For one embodiment, the second receiver 902 performs channel occupancy ratio estimation on reference time domain resource blocks; the reference time domain resource block is earlier than the time domain resource occupied by the target time frequency resource block; the time domain resource interval occupied by the reference time domain resource block and the target time frequency resource block is offset by a first time domain; the first time domain offset comprises a positive integer number of time domain resource units; the channel occupancy ratio estimate is independent of the characteristic parameter of a sender of the first signaling.

For one embodiment, the first node apparatus 900 is a user equipment.

As an embodiment, the first node apparatus 900 is a relay node.

For one embodiment, the first node apparatus 900 is a base station apparatus.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. The first node device in the application includes but is not limited to wireless communication devices such as cell-phones, tablet computers, notebooks, network access cards, low power consumption devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircrafts, airplanes, unmanned aerial vehicles, and remote control airplanes. The second node device in the application includes but is not limited to wireless communication devices such as cell-phones, tablet computers, notebooks, network access cards, low power consumption devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircrafts, airplanes, unmanned aerial vehicles, and remote control airplanes. User equipment or UE or terminal in this application include but not limited to cell-phone, panel computer, notebook, network card, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle communication equipment, aircraft, unmanned aerial vehicle, wireless communication equipment such as remote control aircraft. The base station device, the base station or the network side device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, an eNB, a gNB, a transmission and reception node TRP, a GNSS, a relay satellite, a satellite base station, an air base station, and other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A first node device for wireless communication, comprising:

a first receiver to monitor a first signaling in a first resource pool;

wherein the first signaling is detected; the first signaling is used to determine the first block of time-frequency resources; the first resource pool comprises the first time-frequency resource block; the first time frequency resource block is within a first time window; the target signal is associated to a first priority, the first signaling indicating a second priority; the first priority and the second priority are used to determine a first threshold; the first signaling is used for determining a second time-frequency resource block; the second time frequency resource block is overlapped with the first alternative time frequency resource block; the first alternative time frequency resource block is in a second time window, and the starting time of the second time window is later than the ending time of the first time window; at least the former of the first measurement value or a characteristic parameter of a sender of the first signaling is used for determining whether the first alternative time-frequency resource block belongs to a target resource pool; the target resource pool comprises the target time frequency resource block; the first resource pool comprises the target resource pool.

2. The first node device of claim 1, wherein the characteristic parameter of the sender of the first signaling comprises one of a first characteristic parameter or a second characteristic parameter, the first characteristic parameter is that the sender of the first signaling determines the first block of time and frequency resources in one of random selection or partial perception, the second characteristic parameter is that the sender of the first signaling determines the first block of time and frequency resources in one of full perception or partial perception, and the first characteristic parameter is different from the second characteristic parameter.

3. The first node apparatus of claim 1, wherein the characteristic parameter of the sender of the first signaling comprises one of a third characteristic parameter or a fourth characteristic parameter, wherein the third characteristic parameter indicates that the sender of the first signaling adopts a power saving mode, and wherein the fourth characteristic parameter indicates that the sender of the first signaling adopts a non-power saving mode.

4. The first node device of claim 2, wherein the first alternative time-frequency resource block belongs to the target resource pool when the characteristic parameter of the sender of the first signaling comprises the first characteristic parameter; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the second characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

5. The first node device of claim 3, wherein the first alternative time-frequency resource block belongs to the target resource pool when the characteristic parameter of the sender of the first signaling comprises the third characteristic parameter; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is not higher than the first threshold value, the first alternative time-frequency resource block belongs to the target resource pool; when the characteristic parameter of the sender of the first signaling comprises the fourth characteristic parameter and the first measurement value is higher than the first threshold value, the first alternative time-frequency resource block does not belong to the target resource pool.

6. The first node device of any one of claims 1 to 5, comprising:

the first receiver monitoring for second signaling in the first resource pool;

the second receiver measures in a third time-frequency resource block and obtains a second measurement value;

wherein the second signaling is detected; the second signaling is used to determine the third time-frequency resource block; the first resource pool comprises the third time-frequency resource block; the third time frequency resource block is within the first time window; the second signaling indicates a third priority; the first priority and the third priority are used to determine a second threshold; the second signaling determines a fourth time-frequency resource block; the fourth time frequency resource block overlaps with the first alternative time frequency resource block; the second signaling comprises characteristic parameters of a sender of the second signaling; determining, by the sender of the second signaling, the third time-frequency resource block in one of full sensing or partial sensing, or determining, by the sender of the second signaling, that the sender of the second signaling adopts a non-power saving mode; the characteristic parameter of the sender of the second signaling is different from the characteristic parameter of the sender of the first signaling; the second measurement is not above the second threshold.

7. The first node device of any one of claims 1 to 6, comprising:

the first receiver, performing channel occupancy ratio estimation on a reference time domain resource block;

8. A method in a first node used for wireless communication, comprising:

monitoring a first signaling in a first resource pool;

measuring in a first time-frequency resource block and obtaining a first measured value;

sending a target signal on a target time-frequency resource block;

9. The method of claim 8, wherein the characteristic parameter of the sender of the first signaling comprises one of a first characteristic parameter or a second characteristic parameter, the first characteristic parameter is that the sender of the first signaling determines the first block of time and frequency resources in a manner of one of random selection or partial perception, the second characteristic parameter is that the sender of the first signaling determines the first block of time and frequency resources in a manner of one of full perception or partial perception, and the first characteristic parameter is different from the second characteristic parameter.

10. The method of claim 8, wherein the characteristic parameter of the sender of the first signaling comprises one of a third characteristic parameter or a fourth characteristic parameter, the third characteristic parameter being that the sender of the first signaling adopts a power saving mode, and the fourth characteristic parameter being that the sender of the first signaling adopts a non-power saving mode.