CN113766552B

CN113766552B - A method and device used in a node for wireless communication

Info

Publication number: CN113766552B
Application number: CN202010499976.3A
Authority: CN
Inventors: 武露; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2024-11-12
Anticipated expiration: 2040-06-04
Also published as: CN113766552A

Abstract

A method and apparatus in a node for wireless communication is disclosed. The first node performs a first snoop on the first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy; resetting the first counter to an initial value when the first timer expires; when any one of the Q counters reaches or exceeds a target threshold, a first signal is sent. The first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, and the first index is any index of Q indexes; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

Description

Method and apparatus in a node 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 method and apparatus for wireless signals in a wireless communication system supporting a cellular network.

Background

Both 3GPP (3 rd Generation Partner Project, third generation partnership project) LTE (Long-term Evolution) and 5G NR (New Radio Access Technology ) introduce unlicensed spectrum communication in cellular systems. To ensure compatibility with access technologies on other unlicensed spectrum, in channel listening, LBT (Listen Before Talk ) technology under omni-directional antennas is adopted to avoid interference caused by multiple transmitters simultaneously occupying the same frequency resources.

The SI (Study Item) of NR RELEASE about 52.6GHz-71GHz was passed through by 3gpp ran#86, and a Channel Access Mechanism (Mechanism) is an important point of Study. The multiple antennas form beams pointing to a specific spatial direction through Beamforming (Beamforming) to improve communication quality, and a channel listening technology considering Beamforming is a research hotspot.

Disclosure of Invention

The inventors found through research that Failure (Detection) and Recovery (Recovery) mechanisms of channel listening are a key issue in consideration of beamforming.

In view of the above, the present application discloses a solution. In the above description of the problem, uplink is taken as an example; the application is also applicable to downlink transmission scenarios and companion link (Sidelink) transmission scenarios, achieving technical effects similar to those in companion links. Furthermore, the adoption of unified solutions for different scenarios (including but not limited to uplink, downlink, companion link) also helps to reduce hardware complexity and cost. It should be noted that embodiments of the user equipment and features of embodiments of the present application may be applied to a base station and vice versa without conflict. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.

As an embodiment, the term (Terminology) in the present application is explained with reference to the definition of the 3GPP specification protocol TS36 series.

As an embodiment, the term in the present application is explained with reference to the definition of the 3GPP specification protocol TS38 series.

As an embodiment, the term in the present application is explained with reference to the definition of the 3GPP specification protocol TS37 series.

As one example, the term in the present application is explained with reference to definition of a specification protocol of IEEE (Institute of electrical and electronics engineers) ELECTRICAL AND Electronics Engineers.

The application discloses a method used in a first node of wireless communication, which is characterized by comprising the following steps:

performing a first snoop on the first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy;

Resetting the first counter to an initial value when the first timer expires; when any counter in the Q counters reaches or exceeds a target threshold, a first signal is sent;

Wherein the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, the first index being any one of Q indices; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As an embodiment, the problem to be solved by the present application is: consider a failure monitoring and recovery mechanism for channel listening under beamforming.

As an embodiment, the problem to be solved by the present application is: consider a failure monitoring and recovery mechanism for channel listening under multiple TRP (Transmit-Receive Point).

As an embodiment, the problem to be solved by the present application is: consider a failure monitoring and recovery mechanism for channel listening under multiple antenna panels (ANTENNA PANEL).

As an embodiment, the problem to be solved by the present application is: consider an LBT failure monitoring and recovery mechanism under Directional (Directional) antennas.

As an embodiment, the essence of the method is that Q indexes respectively correspond to Q-class channel listens on the first sub-band, the first listen is a class of channel listens corresponding to the first index, and Q counters are respectively used for failure monitoring of the Q-class channel listens. The method has the advantages that an effective channel monitoring failure monitoring and recovering mechanism is established for multi-class channel monitoring, and the transmission reliability under the unlicensed spectrum is improved.

As an embodiment, the essence of the above method is that Q indexes are respectively aimed at Q TRPs on the first sub band, the first snoop is LBT aimed at the first index, and Q counters are respectively used for LBT failure monitoring of Q TRPs. The method has the advantages that an effective LBT failure monitoring and recovering mechanism is established for a plurality of TRPs, and the transmission reliability under an unlicensed spectrum is improved.

As an embodiment, the essence of the above method is that Q indexes are respectively directed to Q antenna panels on the first sub-band, the first listening is LBT directed to the first index, and Q counters are respectively used for LBT failure monitoring of Q antenna panels. The method has the advantages that an effective LBT failure monitoring and recovering mechanism is established for a plurality of antenna panels, and the transmission reliability under the unlicensed spectrum is improved.

As an embodiment, the essence of the method is that Q indexes correspond to Q LBT beams, respectively, the first beam is an LBT beam corresponding to the first index, the first listening is an LBT performed by using the first beam, the LBTs of the Q beams are all for the first sub-band, and Q counters are used for failure monitoring of the LBTs of the Q beams, respectively. The method has the advantages that an effective LBT failure monitoring and recovering mechanism is established for the LBT under the directional antenna, and the transmission reliability under the unlicensed spectrum is improved.

According to one aspect of the present application, the method is characterized in that the Q indexes are respectively in one-to-one correspondence with Q timers, and the first timer is one timer corresponding to the first index in the Q timers.

As an embodiment, the essence of the method is that Q indexes respectively correspond to Q-class channel listening on the first sub-band, and Q timers are respectively used for failure monitoring of the Q-class channel listening.

As an embodiment, the essence of the above method is that Q indexes are respectively directed to Q TRPs on the first sub band, and Q timers are respectively used for LBT failure monitoring of the Q TRPs.

As an embodiment, the essence of the above method is that Q indexes are respectively directed to Q antenna panels on the first sub-band, and Q timers are respectively used for LBT failure monitoring of the Q antenna panels.

As an embodiment, the essence of the above method is that Q indexes correspond to Q LBT beams, respectively, and Q timers are used for failure monitoring of LBT of Q beams, respectively.

According to one aspect of the present application, the above method is characterized in that each of the Q counters corresponds to the first timer.

As an embodiment, the essence of the method is that Q indexes respectively correspond to Q-class channel listening on the first sub-band, and the first timer is used for failure monitoring for the Q-class channel listening.

As an embodiment, the essence of the above method is that the Q indices are for Q TRPs on the first sub band, respectively, and the first timer is used for LBT failure monitoring for the Q TRPs.

As an embodiment, the essence of the above method is that Q indexes are respectively for Q antenna panels on the first sub-band, and the first timer is respectively used for LBT failure monitoring for the Q antenna panels.

As an embodiment, the essence of the above method is that Q indexes correspond to Q LBT beams, respectively, and a first timer is used for failure monitoring of LBT for Q beams.

According to one aspect of the present application, the above method is characterized in that when the first timer expires, the Q counters are all reset to an initial value.

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

monitoring a first type of signaling on the first sub-band;

wherein the first type of signaling is used to determine the first index; the first listening is performed each time the first type of signaling is detected.

Triggering a monitoring failure indication of the first sub-band when any one of the Q counters reaches or exceeds a target threshold;

Wherein the first signal is generated as a response to the listening failure indication of the first sub-band being triggered.

When all the subbands configured with PRACH in the first service cell have been triggered with the monitoring failure indication, transmitting the monitoring failure indication to a higher layer; switching from a first sub-band to a second sub-band when at least one PRACH configured sub-band in a first serving cell is not triggered by the monitoring failure indication;

wherein the second sub-band is a sub-band of the first serving cell configured with PRACH and not triggered by the listening failure indication.

And sending a wireless connection failure message as a response for transmitting the monitoring failure indication to a higher layer.

Receiving a first signaling;

wherein the first signaling indicates at least one of an expiration value of the first timer, and a target threshold of the Q counters.

transmitting a second signal;

wherein the second signal indicates a second index, the second index being one of the Q indices.

The application discloses a method used in a second node of wireless communication, which is characterized by comprising the following steps:

Receiving a first signal;

Wherein the sender of the first signal maintains Q counters, any one of which reaches or exceeds a target threshold; the sender of the first signal performing a first listening on a first sub-band; when the first listening indication channel is busy, the sender of the first signal determines to discard wireless transmissions on the first channel and starts a first timer and updates a first counter by 1; the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, and the first index is any index of Q indexes; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

According to one aspect of the present application, the above method is characterized in that when the first timer expires, the Q counters are all reset to an initial value by the sender of the first signal.

Transmitting a first type of signaling on the first sub-band;

wherein the first type of signaling is used to determine the first index; the first listening is performed each time the sender of the first signal detects the first type of signaling.

receiving a wireless connection failure message;

Wherein the sender of the first signal passes the snoop failure indication to a higher layer.

Transmitting a first signaling;

receiving a second signal;

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

A first receiver performing a first listening on a first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy;

A first transmitter that resets the first counter to an initial value when the first timer expires; when any counter in the Q counters reaches or exceeds a target threshold, a first signal is sent;

The present application discloses a second node apparatus used for wireless communication, characterized by comprising:

a second receiver that receives the first signal;

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

by the method, an effective channel monitoring failure monitoring and recovering mechanism is established for multi-class channel monitoring, and the transmission reliability under an unlicensed spectrum is improved;

By the method provided by the application, an effective LBT failure monitoring and recovering mechanism is established for LBT under a plurality of TRPs, and the transmission reliability under unlicensed spectrum is improved;

By the method provided by the application, an effective LBT failure monitoring and recovering mechanism is established for LBT under a plurality of antenna panels, and the transmission reliability under unlicensed spectrum is improved;

by the method provided by the application, an effective LBT failure monitoring and recovering mechanism is established for the LBT under the directional antenna, and the transmission reliability under the unlicensed spectrum is improved.

Drawings

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

FIG. 1 shows a flow chart of a first snoop, a first counter, and a first signal according to one embodiment of the application;

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

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

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

Fig. 5 shows a wireless signal transmission flow diagram according to one embodiment of the application;

fig. 6 shows a schematic diagram of a first type of signaling and a first listening according to an embodiment of the present application;

FIG. 7 shows a schematic diagram of a first timer according to one embodiment of the application;

FIG. 8 shows a schematic diagram of a first timer according to one embodiment of the application;

FIG. 9 shows a schematic diagram of a first timer according to one embodiment of the application;

fig. 10 shows a schematic diagram of a first signaling according to an embodiment of the application;

FIG. 11 shows a schematic diagram of a second signal according to an embodiment of the application;

Fig. 12 shows a schematic diagram of whether a first listening indication channel is busy according to one embodiment of the present application;

Fig. 13 is a schematic diagram showing whether a first listening indication channel is busy or not according to another embodiment of the present application;

Fig. 14 shows a block diagram of a processing arrangement in a first node device according to an embodiment of the application;

Fig. 15 shows a block diagram of the processing means in the second node device according to an embodiment of the application.

Detailed Description

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

Example 1

Embodiment 1 illustrates a flow chart of a first snoop, a first counter and a first signal according to one embodiment of the application, as shown in fig. 1. In fig. 1, each block represents a step, and it is emphasized that the order of the blocks in the drawing does not represent temporal relationships between the represented steps.

In embodiment 1, the first node in the present application performs a first listening on a first sub-band in step 101; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy in step 102; resetting the first counter to an initial value when the first timer expires; transmitting a first signal when any one of the Q counters reaches or exceeds a target threshold in step 103; wherein the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, the first index being any one of Q indices; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As an embodiment, the first sub-band is predefined.

As an embodiment, the first sub-band is preconfigured (Pre-configured).

As an embodiment, the first sub-band is configurable.

As an embodiment, the first sub-band comprises a positive integer number of sub-carriers.

As an embodiment, the first sub-band comprises a Carrier (Carrier).

As an embodiment, the first sub-band includes a BWP (Bandwidth Part).

As an embodiment, the first sub-band includes an UL (UpLink) BWP.

As an embodiment, the first sub-band comprises one sub-band (Subband).

As an embodiment, the first sub-band belongs to an unlicensed spectrum.

As an embodiment, the first listening indicates that the channel is busy or idle.

As an embodiment, the first listening is used to determine whether to perform the wireless transmission on the first sub-band.

As one embodiment, the first listening is used to determine whether to perform the wireless transmission on the first channel.

As an embodiment, the first snoop is used to determine whether the first sub-band is Idle or Busy.

As one embodiment, when the first listening indication channel is busy, the first sub-band is busy; when the first listening indication channel is idle, the first sub-band is idle.

As an embodiment, the first listening comprises energy detection.

As one embodiment, the first listening comprises sensing (Sense) energy of a wireless signal over the first sub-band and averaging over time to obtain received energy; when the received energy is less than a first energy threshold, the first monitoring indication channel is idle; otherwise, the first monitoring indicates that the channel is busy.

As an embodiment, the first listening comprises power detection.

As one embodiment, the first listening comprises sensing (Sense) a power of a wireless signal on the first sub-band to obtain a received power; when the received power is smaller than a first power threshold, the first monitoring indication channel is idle; otherwise, the first monitoring indicates that the channel is busy.

As one embodiment, the first snoop is an LBT (Listen Before Talk, listen before send).

As an embodiment, the first snoop is an upstream LBT.

As one embodiment, the first snoop includes at least one of Type 1LBT, type 2 LBT.

As one embodiment, the first snoop includes at least one of Type 1LBT, type 2A LBT, type 2B LBT.

As an embodiment, the first snoop includes a Type 1LBT and a Type 2LBT.

As one embodiment, the first listening is CCA (CLEAR CHANNEL ASSESSMENT ).

As an embodiment, the first listening comprises coherent detection of a signature sequence.

As one embodiment, the first monitoring includes performing coherent reception on the first sub-band using a signature sequence, and measuring energy of a signal obtained after the coherent reception; when the energy of the signal obtained after the coherent reception is smaller than a second energy threshold, the first monitoring indication channel is idle; otherwise, the first monitoring indicates that the channel is busy.

As one embodiment, the first monitoring includes performing coherent reception on the first sub-band using a signature sequence, and measuring energy of a signal obtained after the coherent reception; when the energy of the signal obtained after the coherent reception is smaller than a second energy threshold, the first monitoring indicates that a channel is busy; otherwise, the first monitoring indication channel is idle.

As an embodiment, the first snoop includes a CRC (Cyclic Redundancy Check ) check.

As one embodiment, the first listening comprises receiving a wireless signal on the first sub-band and performing a decoding operation; when determining that the decoding is correct according to the CRC bits, the first monitoring indication channel is busy; otherwise, the first monitoring indication channel is idle.

As one embodiment, the first listening comprises receiving a wireless signal on the first sub-band and performing a decoding operation; when the decoding is determined to be correct according to the CRC bits, the first monitoring indication channel is idle; otherwise, the first monitoring indicates that the channel is busy.

As an embodiment, the first index is a non-negative integer.

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

As one embodiment, any one of the Q indices is a non-negative integer.

As one embodiment, any one of the Q indices is a positive integer.

As an embodiment, any two indices of the Q indices are different.

As an embodiment, the target gates of the Q counters are all the same.

As an embodiment, the target gates of at least two of the Q counters are different.

As an embodiment, the target gates of the Q counters are respectively configured.

As an embodiment, the target gates of the Q counters are predefined separately.

As an embodiment, the expiration value of the first timer is a positive integer.

As an embodiment, the expiration value of the first timer is configurable.

As an embodiment, the expiration value of the first timer is predefined.

As an embodiment, the initial values of the Q counters are all 0, and the target gates of the Q counters are all positive integers.

As an embodiment, the initial values of the Q counters are all positive integers, and the target gates of the Q counters are all 0.

As an embodiment, the initial values of the Q counters are all positive integers, and the target gates of the Q counters are all 1.

As one embodiment, the first timer expires (Expire) when the first timer reaches an expiration value of the first timer.

As an embodiment, the initial value of the first counter is 0.

As an embodiment, the initial value of the first counter is a positive integer.

As an embodiment, the initial values of the Q counters are all 0.

As an embodiment, the initial values of the Q counters are all positive integers.

As an embodiment, the first listening uses a first multi-antenna related parameter.

As an embodiment, the first multi-antenna related parameter comprises an analog beamforming matrix.

As an embodiment, the first multi-antenna related parameter comprises a digital beamforming matrix.

As an embodiment, the first multi-antenna related parameter comprises coefficients of a spatial filter.

As an embodiment, the first multi-antenna related parameter includes a QCL (Quasi co-location) parameter.

As an embodiment, a first multi-antenna related parameter is associated to the first index.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the TCI (Transmission Configuration Indicator, transport configuration indication) State (State) of the first index indication is used for the first snoop.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the TCI (Transmission Configuration Indicator, transmission configuration indication) State (State) indicated by the first index is used to determine the first multi-antenna related parameter.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource to which the first snoop is associated.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource, and QCL parameters of receiving the first reference signal resource are used for the first listening.

As a sub-embodiment of the foregoing embodiment, the first reference signal resource is a downlink reference signal resource.

As a sub-embodiment of the above embodiment, the first reference signal resource is a sidelink (SideLink) reference signal resource.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine the first multi-antenna related parameter.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource to which the first multi-antenna related parameter is associated.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource, and QCL parameters for receiving the first reference signal resource are used to determine the first multi-antenna related parameters.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource, and QCL parameters for receiving the first reference signal resource are the same as the first multi-antenna related parameters.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource, and QCL parameters of transmitting the first reference signal resource are used for the first listening.

As a sub-embodiment of the foregoing embodiment, the first reference signal resource is an uplink reference signal resource.

As a sub-embodiment of the above embodiment, the first reference signal resource is a sidelink reference signal resource.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource, and QCL parameters for transmitting the first reference signal resource are used to determine the first multi-antenna related parameters.

As one embodiment, the phrase that the first snoop is associated to a first index comprises: the first index is used to determine a first reference signal resource, and the QCL parameter for transmitting the first reference signal resource is the same as the first multi-antenna related parameter.

As an embodiment, the downlink reference signal resource includes SS/PBCH (Synchronization/Physical Broadcast CHannel ) Block (Block).

As an embodiment, the downlink reference signal resource includes a CSI-RS (CHANNEL STATE Information-REFERENCE SIGNAL) resource.

As an embodiment, the downlink reference signal resource includes at least one of CSI-RS resource, SS/PBCH block.

As an embodiment, the uplink reference signal resource includes an SRS (Sounding REFERENCE SIGNAL ) resource.

As an embodiment, the uplink reference signal resource includes an uplink DMRS (DeModulation REFERENCE SIGNALS, demodulation reference signal) resource.

As an embodiment, the uplink reference signal resource includes at least one of an SRS resource and an uplink DMRS resource.

As an embodiment, the sidelink reference signal resource comprises SIDELINK CSI-RS resources.

As an embodiment, the sidelink reference signal resource comprises SIDELINK DMRS resources.

As an embodiment, the sidelink reference signal resource comprises at least one of SIDELINK CSI-RS resource, SIDELINK DMRS resource.

As one embodiment, the QCL parameters include: spatial parameters (SPATIAL PARAMETER).

As one embodiment, the QCL parameters include: spatial reception parameters (Spatial Rx parameter).

As one embodiment, the QCL parameters include: spatial transmission parameters (Spatial Tx parameter).

As one embodiment, the QCL parameters include: a spatial filter (Spatial Domain Filter).

As one embodiment, the QCL parameters include: a spatial domain transmission filter (Spatial Domain TransmissionFilter).

As one embodiment, the QCL parameters include: a beam.

As one embodiment, the QCL parameters include: a beamforming matrix.

As one embodiment, the QCL parameters include: beamforming vector.

As one embodiment, the QCL parameters include: the beamforming matrix is simulated.

As one embodiment, the QCL parameters include: the beamforming vector is modeled.

As one embodiment, the QCL parameters include: angle of arrival (angle).

As one embodiment, the QCL parameters include: angle of departure (angle of departure).

As one embodiment, the QCL parameters include: spatial correlation.

As an embodiment, the type of QCL parameter includes QCL-TypeD.

As one embodiment, the type of the QCL parameter includes at least one of QCL-type a, QCL-type b, and QCL-type c.

As an embodiment, the type of the QCL parameter includes at least one of Doppler shift (Doppler shift), doppler spread (Doppler spread), average delay (AVERAGE DELAY), delay spread (DELAY SPREAD).

As an embodiment, the first node is a UE (User Equipment), and the first channel includes an uplink channel.

As an embodiment, the first node is a base station, and the first channel comprises a downlink channel.

As an embodiment, the first node is a UE (User Equipment), and the first channel includes a sidelink channel.

As an embodiment, the first channel includes PUSCH (Physical Uplink SHARED CHANNEL ).

As an embodiment, the first channel includes a PUCCH (Physical Uplink Control Channel ).

As an embodiment, the first channel includes a PSSCH (PHYSICAL SIDELINK SHARED CHANNEL ).

As an embodiment, the first Channel includes a PSCCH (PHYSICAL SIDELINK Control Channel ).

As an embodiment, the first Channel includes PSFCH (PHYSICAL SIDELINK Feedback Channel ).

As an embodiment, the first channel includes a PDSCH (Physical Downlink SHARED CHANNEL ).

As an embodiment, the first channel includes a PDCCH (Physical Downlink Control Channel ).

As an embodiment, the first channel is reserved for downlink reference signal resources.

As an embodiment, the first channel is reserved for uplink reference signal resources.

As an embodiment, the first channel is reserved for sidelink reference signal resources.

As one embodiment, the phrase relinquishing wireless transmission on the first channel includes: zero transmit power is maintained on the first channel.

As one embodiment, the phrase relinquishing wireless transmission on the first channel includes: and in the time domain resources occupied by the first channel, channel monitoring is performed on the first sub-band.

As one embodiment, the phrase relinquishing wireless transmission on the first channel includes: and in the time domain resource occupied by the first channel, performing LBT on the first sub-band.

As one embodiment, the phrase relinquishing wireless transmission on the first channel includes: the modulation symbols generated for the wireless transmission on the first channel are discarded.

As one embodiment, the phrase relinquishing wireless transmission on the first channel includes: modulation symbols generated for the wireless transmission on the first channel are deferred from being transmitted.

As one embodiment, the phrase relinquishing wireless transmission on the first channel includes: modulation symbols generated for the wireless transmission on the first channel are transmitted on time-frequency resources orthogonal to time-frequency resources occupied by the first channel.

As one embodiment, the phrase starting (start) first timer includes setting the first timer to 0 and incrementing the first timer by 1 every first type of time interval.

As a sub-embodiment of the above embodiment, the above operation is performed regardless of whether the first timer is running.

As a sub-embodiment of the above embodiment, the first timer expires when the first timer reaches an expiration value of the first timer.

As one embodiment, the phrase starting the first timer includes setting the first timer to an expiration value and decrementing the first timer by 1 every first type of time interval.

As a sub-embodiment of the above embodiment, the first timer expires when the first timer reaches 0.

As an embodiment, the one first type of time interval is a Subframe (Subframe).

As an embodiment, the one first type of time interval is a Slot (Slot).

As an embodiment, the one first type of time interval is a TTI (Transport TIME INTERVAL, transmission time interval).

As an embodiment, on the first sub-band, when there is no time-frequency resource reserved for uplink transmission in one sub-frame, the one sub-frame does not belong to the first type of time interval.

As an embodiment, on the first sub-band, when the first node is configured as DTX (Discontinuous Transmission ) in one sub-frame, the one sub-frame does not belong to the first type of time interval.

As one embodiment, the phrase updating 1 the first counter includes: the first counter is incremented by 1; the initial value of the first counter is 0, and the target gate of the first counter is a positive integer greater than the initial value of the first counter.

As a sub-embodiment of the above embodiment, the target gate of the first counter is equal to 1.

As a sub-embodiment of the above embodiment, the target gate of the first counter is a positive integer greater than 1.

As one embodiment, the phrase updating 1 the first counter includes: the first counter is decremented by 1; the initial value of the first counter is a positive integer, and the target gate of the first counter is an integer smaller than the initial value of the first counter.

As a sub-embodiment of the above embodiment, the target gate of the first counter is a non-negative integer smaller than the initial value of the first counter.

As a sub-embodiment of the above embodiment, the target gate of the first counter is 0.

As a sub-embodiment of the above embodiment, the target gate of the first counter is 1.

As an embodiment, when any counter of the phrase Q counters reaches or exceeds the target threshold, it means that: one of the Q counters reaches or exceeds the target gate.

As an embodiment, when any counter of the phrase Q counters reaches or exceeds the target threshold, it means that: at least one counter of the Q counters reaches or exceeds the target gate.

As an embodiment, when any counter of the phrase Q counters reaches or exceeds the target threshold, it means that: the Q counters all reach or exceed the target gate.

As one embodiment, the condition is met when any one of the Q counters reaches or exceeds the target threshold when there is one of the Q counters that reaches or exceeds the target threshold.

As one embodiment, when none of the Q counters reaches the target threshold, the condition is not satisfied when any of the Q counters reaches or exceeds the target threshold.

As one embodiment, when there are multiple ones of the Q counters that reach or exceed the target threshold, the condition is satisfied when any one of the Q counters reaches or exceeds the target threshold.

As one embodiment, the condition is met when any one of the Q counters reaches or exceeds the target threshold when all of the Q counters reach or exceed the target threshold.

As one embodiment, the higher layer (HIGHER LAYER) includes layer 2 (L2 layer).

As one embodiment, the higher layer (HIGHER LAYER) includes layer 3 (L3 layer).

As an embodiment, the higher layer (HIGHER LAYER) comprises an RRC (Radio Resource Control ) layer.

As one embodiment, the higher layers (HIGHER LAYER) include layer 2 (L2 layer) and layer 3 (L3 layer).

As an embodiment, the higher layer (HIGHER LAYER) includes layer 2 (L2 layer) and layers above layer 2.

As an embodiment, the first signal comprises a physical layer signal.

As an embodiment, the first signal comprises a higher layer (HIGHER LAYER) signal.

As an embodiment, the first signal is transmitted on PUSCH.

As an embodiment, the first signal is transmitted on PUCCH.

As one embodiment, the first signal includes a scheduling request (Scheduling Request).

As an embodiment, the first signal comprises a MAC CE (MEDIA ACCESS Control Control Element, medium access control element).

As an embodiment, the first signal comprises a listen before session failure medium access control unit (LBT failure MAC CE).

As an embodiment, the first signal comprises a scheduling request (Scheduling Request) For a (For) pre-session listening failure medium access control unit (LBT failure MAC CE).

As an embodiment, the first signal includes a second index, the second index being one of the Q indices.

As one embodiment, the first signal includes a second index, the second index being one of the Q indices that is different from the first index.

As an embodiment, the Q indices are used to determine Q multiple antenna related parameters, respectively.

As an embodiment, Q multiple antenna related parameters are associated to the Q indices, respectively.

As an embodiment, the first multi-antenna related parameter is one of the Q multi-antenna related parameters determined by the first index.

As an embodiment, any one of the Q multi-antenna related parameters comprises an analog beamforming matrix.

As an embodiment, any one of the Q multi-antenna related parameters comprises a digital beamforming matrix.

As an embodiment, any one of the Q multi-antenna related parameters includes coefficients of a spatial filter.

As an embodiment, any one of the Q multi-antenna related parameters includes a QCL parameter.

As an embodiment, the Q multiple antenna related parameters are TCI (Transmission Configuration Indicator, transmission configuration indication) states (states) indicated by the Q indices, respectively.

As an embodiment, the TCI states indicated by the Q indices are used to determine the Q multiple antenna related parameters, respectively.

As an embodiment, the Q indices are used to determine Q reference signal resources, respectively, to which the Q multiple antenna correlation parameters are associated, respectively.

As an embodiment, the Q indices are used to determine Q reference signal resources, respectively, and the Q reference signal resources are used to determine the Q multiple antenna related parameters, respectively.

As an embodiment, the given index is one index of the Q indexes, the given reference signal resource is one reference signal resource determined by the given index of the Q reference signal resources, and the given multi-antenna correlation parameter is one multi-antenna correlation parameter determined by the given reference signal resource of the Q multi-antenna correlation parameters; the QCL parameters of the given reference signal resource are received for determining the given multi-antenna related parameters.

As a sub-embodiment of the above embodiment, the given reference signal resource is a downlink reference signal resource.

As a sub-embodiment of the above embodiment, the given reference signal resource is a sidelink (SideLink) reference signal resource.

As an embodiment, the given index is one index of the Q indexes, the given reference signal resource is one reference signal resource determined by the given index of the Q reference signal resources, and the given multi-antenna correlation parameter is one multi-antenna correlation parameter determined by the given reference signal resource of the Q multi-antenna correlation parameters; the given multi-antenna related parameter is a QCL parameter for receiving the given reference signal resource.

As an embodiment, the given index is one index of the Q indexes, the given reference signal resource is one reference signal resource determined by the given index of the Q reference signal resources, and the given multi-antenna correlation parameter is one multi-antenna correlation parameter determined by the given reference signal resource of the Q multi-antenna correlation parameters; the QCL parameters of the given reference signal resource are used to determine the given multi-antenna related parameters.

As a sub-embodiment of the above embodiment, the given reference signal resource is an uplink reference signal resource.

As a sub-embodiment of the above embodiment, the given reference signal resource is a sidelink reference signal resource.

As an embodiment, the given index is one index of the Q indexes, the given reference signal resource is one reference signal resource determined by the given index of the Q reference signal resources, and the given multi-antenna correlation parameter is one multi-antenna correlation parameter determined by the given reference signal resource of the Q multi-antenna correlation parameters; the given multi-antenna related parameter is a QCL parameter that transmits the given reference signal resource.

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 a 5g nr, LTE (Long-Term Evolution) and LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) system. The 5G NR or LTE network architecture 200 may be referred to as EPS (Evolved PACKET SYSTEM ) 200, or some other suitable terminology. EPS200 may include one or more UEs (User Equipment) 201, ng-RAN (next generation radio access Network) 202, epc (Evolved Packet Core )/5G-CN (5G Core Network) 210, hss (Home Subscriber Server ) 220, and internet service 230. The EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, EPS provides packet-switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this disclosure may be extended to networks providing circuit-switched services or other cellular networks. The NG-RAN includes NR node bs (gnbs) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gNB203 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 (transmit receive node), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the EPC/5G-CN 210. Examples of UE201 include a cellular telephone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a non-terrestrial base station communication, a satellite mobile communication, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, an drone, an aircraft, a narrowband internet of things device, a machine-type communication device, a land-based vehicle, an automobile, a wearable device, or any other similar functional device. Those of skill in the art may also refer to the 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 EPC/5G-CN 210 through an S1/NG interface. EPC/5G-CN 210 includes MME (Mobility MANAGEMENT ENTITY )/AMF (Authentication management domain)/UPF (User Plane Function ) 211, other MME/AMF/UPF214, S-GW (SERVICE GATEWAY, serving Gateway) 212 and P-GW (PACKET DATE Network Gateway, packet data network gateway) 213. The MME/AMF/UPF211 is a control node that handles signaling between the UE201 and the EPC/5G-CN 210. In general, the MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet Protocal, internet protocol) packets are transported through the S-GW212, which S-GW212 itself is connected to P-GW213. The P-GW213 provides UE IP address assignment as well as other functions. The P-GW213 is connected to the internet service 230. Internet services 230 include operator-corresponding internet protocol services, which may include, in particular, the internet, intranets, IMS (IP Multimedia Subsystem ) and packet-switched streaming services.

As an embodiment, the UE201 corresponds to the first node in the present application.

As an embodiment, the gNB203 corresponds to the first node in the present application.

As an embodiment, the UE241 corresponds to the second node in the present application.

As an embodiment, the gNB203 corresponds to the second node in the present application.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to the application, as shown in fig. 3. Fig. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane 350 and the control plane 300, fig. 3 shows the radio protocol architecture for the control plane 300 for a first communication node device (UE, RSU in gNB or V2X) and a second communication node device (gNB, RSU in UE or V2X), or 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 PHY301. Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first communication node device and the second communication node device and the two UEs through PHY301. The L2 layer 305 includes a MAC (Medium Access Control ) sublayer 302, an RLC (Radio Link Control, radio link layer control protocol) sublayer 303, and a PDCP (PACKET DATA Convergence Protocol ) sublayer 304, which terminate at the second communication node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by ciphering the data packets and handover support for the first communication node device between second communication node devices. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out of order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell among the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control ) sublayer 306 in layer 3 (L3 layer) 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 communication node device and the first communication 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 for the first communication node device and the second communication node device in the user plane 350 is substantially the same for the physical layer 351, PDCP sublayer 354 in the L2 layer 355, RLC sublayer 353 in the L2 layer 355 and 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 data packets to reduce radio transmission overhead. Also included in the L2 layer 355 in the user plane 350 is an SDAP (SERVICE DATA Adaptation Protocol ) sublayer 356, the SDAP sublayer 356 being responsible for mapping between QoS flows and data radio bearers (DRBs, data Radio Bearer) to support diversity of traffic. Although not shown, the first communication node apparatus 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., remote UE, server, etc.).

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

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

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

As an embodiment, the first signaling in the present application is generated in the MAC sublayer 302.

As an embodiment, the first signaling in the present application is generated in the MAC sublayer 352.

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

As an embodiment, the first type signaling in the present application is generated in the MAC sublayer 302.

As an embodiment, the first type signaling in the present application is generated in the MAC sublayer 352.

As an embodiment, the first type signaling in the present application is generated in the PHY301.

As an embodiment, the first type signaling in the present application is generated in the PHY351.

As an embodiment, the first snoop in the present application is generated in the PHY301.

As an embodiment, the first snoop in the present application is generated in the PHY351.

As an embodiment, the first timer in the present application is generated in the MAC sublayer 302.

As an embodiment, the first timer in the present application is generated in the MAC sublayer 352.

As an embodiment, the first counter in the present application is generated in the MAC sublayer 302.

As an embodiment, the first counter in the present application is generated in the MAC sublayer 352.

As an embodiment, the snoop failure indication in the present application is generated in the MAC sublayer 302.

As an embodiment, the snoop failure indication in the present application is generated in the MAC sublayer 352.

As an embodiment, the radio connection failure message in the present application is generated in the MAC sublayer 302.

As an embodiment, the radio connection failure message in the present application is generated in the MAC sublayer 352.

As an embodiment, the radio connection failure message in the present application is generated in the RRC sublayer 306.

As an embodiment, the first signal in the present application is generated in the MAC sublayer 302.

As an embodiment, the first signal in the present application is generated in the MAC sublayer 352.

As an embodiment, the first signal in the present application is generated in the PHY301.

As an embodiment, the first signal in the present application is generated in the PHY351.

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

As an embodiment, the second signal in the present application is generated in the MAC sublayer 302.

As an embodiment, the second signal in the present application is generated in the MAC sublayer 352.

As an embodiment, the second signal in the present application is generated in the PHY301.

As an embodiment, the second signal in the present application is generated in the PHY351.

Example 4

Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the application, as shown in fig. 4. Fig. 4 is a block diagram of a first communication device 410 and a second communication device 450 in communication with each other in an access network.

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

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

In the transmission from the first communication device 410 to the second communication device 450, upper layer data packets from the core network are provided to a controller/processor 475 at the first communication device 410. The controller/processor 475 implements the functionality of the L2 layer. In the transmission from the first communication device 410 to the first communication device 450, a controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the second communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., physical layer). Transmit processor 416 performs coding and interleaving to facilitate Forward Error Correction (FEC) at the second communication device 450, as well as mapping of signal clusters 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 digitally space-precodes the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, to generate one or more spatial streams. A transmit processor 416 then maps each spatial stream to a subcarrier, 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 a physical channel carrying the time domain multicarrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multiple antenna transmit processor 471 to a radio frequency stream and then provides it to a different antenna 420.

In a transmission from the first communication device 410 to the second communication device 450, each receiver 454 receives a signal at the second communication device 450 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 multicarrier symbol stream that is provided to a receive processor 456. The receive processor 456 and the multi-antenna receive processor 458 implement various signal processing functions for the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. The receive processor 456 converts the baseband multicarrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receive processor 456, wherein the reference signal is to be used for channel estimation, and the data signal is subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial stream destined for the second communication device 450. The symbols on each spatial stream are demodulated and recovered in a receive processor 456 and soft decisions are generated. A receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals that were transmitted by the first communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller/processor 459. The controller/processor 459 implements the functions of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In the transmission from the first communication device 410 to the second communication device 450, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the core network. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.

In the transmission from the second communication device 450 to the first communication device 410, a data source 467 is used at the second communication device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit functions at the first communication device 410 described in the transmission from the first communication device 410 to the second communication device 450, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocations, implementing L2 layer functions for the user and control planes. The controller/processor 459 is also responsible for retransmission of lost packets and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming, with the multi-antenna transmit processor 457 performing digital multi-antenna spatial precoding, after which the transmit processor 468 modulates the resulting spatial stream into a multi-carrier/single-carrier symbol stream, which is analog precoded/beamformed in the multi-antenna transmit processor 457 before being provided to the different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides it to an antenna 452.

In the transmission from the second communication device 450 to the first communication device 410, the function at the first communication device 410 is similar to the receiving function 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 radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals to baseband signals, and provides the baseband signals to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement the functions of the L1 layer. The controller/processor 475 implements L2 layer functions. The controller/processor 475 may be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In the transmission from the second communication device 450 to the first communication device 410, a controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the UE 450. Upper layer packets from the controller/processor 475 may be provided to the core network.

As an embodiment, the first node in the present application includes the second communication device 450.

As an embodiment, the first node in the present application comprises the first communication device 410.

As an embodiment, the second node in the present application comprises the first communication device 410.

As an embodiment, the second node in the present application includes the second communication device 450.

As an embodiment, the first node in the present application is a user equipment, and the second node is a base station device.

As an embodiment, the first node in the present application is a user equipment, and the second node in the present application is a user equipment.

As an embodiment, the first node in the present application is a user equipment, and the second node is a relay node.

As an embodiment, the first node in the present application is a relay node, and the second node is a user equipment.

As an embodiment, the first node in the present application is a relay node, and the second node is a base station device.

As an embodiment, the first node in the present application is a base station apparatus, and the second node is a base station apparatus.

As an embodiment, the first node in the present application is a base station device, and the second node is a user equipment.

As an embodiment, the first node in the present application is a base station device, and the second node is a relay device.

As an embodiment, the second communication device 450 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As one embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As one embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for error detection using a positive Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocol 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 means at least: performing a first snoop on the first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy; resetting the first counter to an initial value when the first timer expires; when any counter in the Q counters reaches or exceeds a target threshold, a first signal is sent; wherein the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, the first index being any one of Q indices; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As a sub-embodiment of the above embodiment, the second communication device 450 corresponds to the first node in the present application.

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, produce acts comprising: performing a first snoop on the first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy; resetting the first counter to an initial value when the first timer expires; when any counter in the Q counters reaches or exceeds a target threshold, a first signal is sent; wherein the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, the first index being any one of Q indices; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As one 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: receiving a first signal; wherein the sender of the first signal maintains Q counters, any one of which reaches or exceeds a target threshold; the sender of the first signal performing a first listening on a first sub-band; when the first listening indication channel is busy, the sender of the first signal determines to discard wireless transmissions on the first channel and starts a first timer and updates a first counter by 1; the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, and the first index is any index of Q indexes; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As a sub-embodiment of the above embodiment, the first communication device 410 corresponds to the second node in the present application.

As one embodiment, the first communication device 410 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: receiving a first signal; wherein the sender of the first signal maintains Q counters, any one of which reaches or exceeds a target threshold; the sender of the first signal performing a first listening on a first sub-band; when the first listening indication channel is busy, the sender of the first signal determines to discard wireless transmissions on the first channel and starts a first timer and updates a first counter by 1; the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, and the first index is any index of Q indexes; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As an embodiment 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 receiving the first signaling in the present application.

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 for transmitting the first signaling in the present application.

As an 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, the data source 467 is used to transmit the first signaling in the present 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 for receiving the first signaling in the present 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 to monitor the first type of signaling in the present application on the first sub-band in the present application.

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 transmit the first type of signaling in the present application on the first sub-band in the present 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 to monitor the first type of signaling in the present application on the first sub-band in the present application.

As an 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, the data source 467 is used to send the first type of signaling in the application on the first sub-band in the application.

As an embodiment 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 performing the first listening in the present application on the first sub-band in the present application.

As an embodiment 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 to perform the first listening in the present application on the first sub-band in the present application.

As an embodiment at least one of the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data source 467 is used to trigger the listening failure indication of the first sub-band in the present application.

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 trigger the listening failure indication of the first sub-band in the present application.

As an 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, the data source 467 is used to send the radio connection failure message in the present 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 to receive the radio connection failure message in the present 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 to receive the radio connection failure message in the present application.

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 radio connection failure message in the present application.

As an 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, the data source 467 is used for transmitting the first signal in the 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 to receive the first signal in the present 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 for receiving the first signal in the present application.

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 for transmitting the first signal in the present application.

As an 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, the data source 467 is used for transmitting the second signal in the 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 to receive the second signal in the present 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 for receiving the second signal in the present application.

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 for transmitting the second signal in the present application.

Example 5

Embodiment 5 illustrates a wireless signal transmission flow diagram according to one embodiment of the application, as shown in fig. 5. In fig. 5, communication is performed between a first node U01 and a second node N02 via an air interface. In fig. 5, dashed boxes F1, F2, F3, F4 and F5 are optional. In fig. 5, each block represents a step, and it is emphasized that the order of the blocks in the drawing does not represent temporal relationships between the represented steps.

For the first node U01, receiving first signaling in step S10; monitoring a first type of signaling on a first sub-band in step S11; in step S12, performing a first listening on a first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and to update the first counter by 1 when the first listening indication channel is busy in step S13; resetting the first counter to an initial value when the first timer expires; in step S14, when any one of the Q counters reaches or exceeds the target threshold, triggering a listening failure indication of the first sub-band; transmitting a listening failure indication to a higher layer when all the sub-bands configured with PRACH in the first serving cell have been triggered with the listening failure indication in step S15; transmitting a radio connection failure message as a response to the listening failure indication to the upper layer in step S16; switching from the first sub-band to the second sub-band when at least one PRACH configured sub-band is not triggered for listening failure indication in the first serving cell in step S17; transmitting a first signal when any one of the Q counters reaches or exceeds a target threshold in step S18; in step S19 a second signal is transmitted.

For the second node N02, sending a first signaling in step S20; transmitting a first type of signaling on a first sub-band in step S21; receiving a radio connection failure message in step S22; receiving a first signal in step S23; the second signal is received in step S24.

In embodiment 5, the first channel belongs to the first sub-band in the frequency domain, the first listening is associated to a first index, the first index being any one of Q indices; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1. The first type signaling is used by the first node U01 to determine the first index; the first listening is performed each time the first type of signaling is detected. The first signal is generated as a response to the listening failure indication of the first sub-band being triggered. The second sub-band is a sub-band of the first serving cell that is PRACH configured and not triggered by the listening failure indication. The first signaling indicates at least one of an expiration value of the first timer, a target gate of the Q counters. The second signal indicates a second index, the second index being one of the Q indices.

As an embodiment, the first type of signaling is used by the second node N02 to determine the first index.

As one example, when dashed box F2 is absent, neither dashed box F3 nor F4 is present.

As an embodiment, the first sub-band belongs to a serving cell (SERVING CELL).

As an embodiment, the Q counters are all for the first sub-band.

As one embodiment, the Q indexes are respectively for Q CORESET (Control resource set ) sets.

As one embodiment, the Q indices are for Q sets of search spaces (SEARCH SPACE), respectively.

As one embodiment, the Q indexes are respectively for Q CORESET pools (Pool).

As an embodiment, the Q indexes are respectively for Q CORESETPoolIndex.

As one embodiment, any one of the Q indices is CORESETPoolIndex.

As one embodiment, the Q indices are for Q antenna panels (ANTENNA PANEL), respectively.

As one embodiment, the Q indexes are respectively for Q transmitting and receiving nodes (TRP).

As one embodiment, only the first counter of the Q counters is updated by 1 when the first snoop indicates that the channel is busy.

As an embodiment, any counter other than the first counter of the Q counters remains unchanged when the first snoop indicates that the channel is busy.

As one embodiment, only the first counter of the Q counters is reset to an initial value when the first timer expires.

As an embodiment, when the first timer expires, any counter other than the first counter of the Q counters remains unchanged.

As one embodiment, the first timer and the Q counters are maintained by a sender of the first signal.

As an embodiment, the method in the first node comprises:

and when the first monitoring indication channel is idle, performing the wireless transmission on the first channel.

As an embodiment, the method in the first node comprises:

when the first listening indication channel is idle, signaling is sent indicating that the wireless transmission on the first channel is performed.

As an embodiment, the method in the first node comprises:

And when the first monitoring indication channel is idle, sending signaling to indicate one communication node except the first node to perform the wireless transmission on the first channel.

As one embodiment, the first transmitter performs the wireless transmission on the first channel when the first listening indication channel is idle.

As one embodiment, the first transmitter transmits a signaling indicating that the wireless transmission on the first channel is performed when the first listening indication channel is idle.

As one embodiment, when the first listening indication channel is idle, the first transmitter transmits signaling indicating that a communication node other than the first node performs the wireless transmission on the first channel.

As one embodiment, when the first listening indication channel is idle, a communication node other than the first node performs the wireless transmission on the first channel.

As an embodiment, the monitoring (Monitor) refers to blind detection, i.e. receiving a signal and performing a decoding operation, and determining that a given signal is detected when it is determined that the decoding is correct based on CRC (Cyclic Redundancy Check) bits; otherwise, it is determined that the given signal is not detected.

As an embodiment, the monitoring refers to coherent detection, that is, coherent reception is performed by using an RS sequence of the DMRS, and energy of a signal obtained after the coherent reception is measured; when the energy of the signal obtained after the coherent reception is smaller than a first given threshold value, determining that the given signal is not detected; otherwise, it is determined that the given signal is detected.

As an embodiment, the monitoring refers to coherent detection, that is, coherent reception is performed by using a feature sequence, and energy of a signal obtained after the coherent reception is measured; when the energy of the signal obtained after the coherent reception is smaller than a second given threshold value, determining that the given signal is not detected; otherwise, it is determined that the given signal is detected.

As an embodiment, the monitoring refers to energy detection, i.e. sensing (Sense) the energy of the wireless signal and averaging over time to obtain the received energy; determining that a given signal is not detected when the received energy is less than a third given threshold; otherwise, it is determined that the given signal is detected.

As an embodiment, the monitoring refers to power detection, i.e. sensing (Sense) the power of the wireless signal to obtain the received power; determining that a given signal is not detected when the received power is less than a fourth given threshold; otherwise, it is determined that the given signal is detected.

As one embodiment, the snoop failure indication is a continuous (existence) LBT failure.

As an embodiment, the first serving cell is a SpCell (SPEICIAL CELL, special cell).

As an embodiment, the first serving cell is a PCell (PRIMARY CELL ).

As an embodiment, the first serving cell is a PSCell (Primary Secondary Cell Group Cell, primary second cell group cell).

As an embodiment, the first sub-band is one sub-band in the first serving cell.

As an embodiment, the first sub-band is any sub-band in the first serving cell.

As an embodiment, the first sub-band is any sub-band in any serving cell of the first node.

As an embodiment, the sub-band in which PRACH (Physical random-ACCESS CHANNEL) is configured is preconfigured (Pre-configured).

As an embodiment, the sub-band in which the PRACH is configured is configurable.

As an embodiment, the sub-band in which PRACH is configured includes a positive integer number of sub-carriers.

As an embodiment, the sub-band in which the PRACH is configured includes one Carrier (Carrier).

As an embodiment, the sub-band in which PRACH is configured includes one BWP (Bandwidth Part).

As an embodiment, the sub-band in which PRACH is configured includes one UL (UpLink) BWP.

As an embodiment, the Subband in which the PRACH is configured comprises one Subband (Subband).

As an embodiment, the sub-band in which PRACH is configured belongs to an unlicensed spectrum.

As an embodiment, the second sub-band is different from the first sub-band.

As an embodiment, the second sub-band is predefined.

As an embodiment, the second sub-band is preconfigured (Pre-configured).

As an embodiment, the second sub-band is configurable.

As an embodiment, the second sub-band comprises a positive integer number of sub-carriers.

As an embodiment, the second sub-band comprises a Carrier (Carrier).

As an embodiment, the second sub-band includes a BWP (Bandwidth Part).

As an embodiment, the second sub-band includes an UL (UpLink) BWP.

As an embodiment, the second sub-band comprises a sub-band (Subband).

As an embodiment, the second sub-band belongs to an unlicensed spectrum.

As an embodiment, the upper layer is above the MAC layer.

As an embodiment, the upper layer includes an RLC (Radio Link Control) layer.

As an embodiment, the upper layer includes a PDCP layer.

As an embodiment, the upper layer includes an RLC layer and a PDCP layer.

As an embodiment, the upper layer includes an RLC layer and layers above the RLC layer.

As an embodiment, the upper layer includes an RRC (Radio Resource Control ) layer.

As an embodiment, the upper layer includes layer 3 (L3 layer).

As an embodiment, the upper layer includes layer 3 (L3 layer) and layers above layer 3.

As an embodiment, the upper layer includes a NAS (Non-Access-Stratum).

As an embodiment, said passing said snoop failure indication to a higher layer comprises: the snoop failure indication is passed to the RLC (Radio Link Control ) layer.

As an embodiment, said passing said snoop failure indication to a higher layer comprises: the listening failure indication is passed to the RRC (Radio Resource Control ) layer.

As an embodiment, said passing said snoop failure indication to a higher layer comprises: and transmitting the monitoring failure indication to a NAS (Non-Access-Stratum).

As one embodiment, the passing the snoop Failure indication to a higher layer triggers RLC Failure (Failure).

As one embodiment, the passing the snoop failure indication to a higher layer trigger RLF (Radio Link Failure ).

As an embodiment, said passing said snoop failure indication to a higher layer is passed inside said first node.

As an embodiment, the switching from the first sub-band to the second sub-band comprises: stopping the ongoing random access procedure at said first serving cell.

As an embodiment, the switching from the first sub-band to the second sub-band comprises: a new random access procedure is initiated.

As an embodiment, the switching from the first sub-band to the second sub-band comprises: and transmitting PRACH on the second sub-band for the first service cell.

As an embodiment, the switching from the first sub-band to the second sub-band comprises: LBT is performed on the second sub-band (Listen Before Talk, listen-before-talk).

As an embodiment, the switching from the first sub-band to the second sub-band comprises: and transmitting a wireless signal on a physical layer data channel on the second sub-band.

As an embodiment, the first node is a UE (User Equipment), and the Physical layer data channel is a PUSCH (Physical Uplink SHARED CHANNEL).

As an embodiment, the first node is a base station, and the physical layer data channel is PDSCH (Physical Downlink SHARED CHANNEL ).

As an embodiment, the switching from the first sub-band to the second sub-band comprises: and receiving DCI (Downlink Control Information ) for UpLink Grant (UpLink Grant), wherein the DCI for UpLink Grant indicates frequency domain resources occupied by a physical layer data channel from the second sub-band.

As an embodiment, the radio connection failure message is carried by higher layer signaling.

As an embodiment, the radio connection failure message is carried by RRC signaling.

As an embodiment, the radio connection failure message is carried by MAC CE signaling.

As an embodiment, the radio connection failure message comprises an RLF report.

As an embodiment, the radio connection failure message includes MCGfailureInformation.

As an embodiment, the radio connection failure message includes RRCReestablishmentRequest.

As an embodiment, the radio connection failure message includes RRCConnectionReestablishmentRequest.

As one embodiment, the first node resets the first counter to an initial value when a first condition is satisfied.

As one embodiment, the first node resets the Q counters to an initial value when a first condition is satisfied.

As an embodiment, the first condition includes: the first timer expires.

As an embodiment, the first condition includes: the Q is reconfigured (Reconfigured).

As an embodiment, the first condition includes: the Q indices are reconfigured (Reconfigured).

As an embodiment, the first condition includes: the Q multiple antenna related parameters are reconfigured (Reconfigured).

As an embodiment, the first condition includes: the TCI state indicated by the Q indices is reconfigured.

As an embodiment, the first condition includes: the Q reference signal resources are reconfigured.

As an embodiment, the first condition includes: the first mapping table is reconfigured.

As an embodiment, the first condition includes: the first domain in the first type of signaling is reconfigured.

As an embodiment, the first condition includes: the expiration value of the first timer is reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration values of the Q timers are reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration value of any one of the Q timers is reassorted (Reconfigured).

As an embodiment, the first condition includes: the expiration value of one of the Q timers is reassorted (Reconfigured).

As an embodiment, the first condition includes: the expiration value of at least one of the Q timers is reassorted (Reconfigured).

As an embodiment, the first condition includes: expiration values in the Q timers are all reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration value of the first counter is reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration values of the Q counters are reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration value of any one of the Q counters is reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration value of one of the Q counters is reassigned (Reconfigured).

As an embodiment, the first condition includes: the expiration value of at least one of the Q counters is reconfigured (Reconfigured).

As an embodiment, the first condition includes: the expiration values in the Q counters are all reconfigured (Reconfigured).

As an embodiment, the first condition includes: the listening failure indication of the first sub-band that is triggered is Cancelled (enhanced).

As an embodiment, the first condition includes: all triggered snoop failure indications in the first sub-band are Cancelled (enhanced).

As an embodiment, the first condition includes: in the serving cell to which the first sub-band belongs, all triggered listening failure indications are Cancelled (enhanced).

As an embodiment, the first condition includes: lbt-FailureRecoveryConfig are reconfigured.

As an embodiment, the first node cancels (Cancel) the listening failure indication of the triggered first sub-band in response to the first signal being sent.

As an embodiment, the first node cancels (Cancel) all triggered listening failure indications in the first sub-band in response to the first signal being sent.

As an embodiment, in response to the first signal being sent, the first node cancels (Cancel) all triggered listening failure indications in the serving cell to which the first sub-band belongs.

As an embodiment, in response to the first signal being sent, the first node cancels (Cancel) all triggered listening failure indications in a target set of serving cells, the first signal indicating the target set of serving cells.

As a sub-embodiment of the above embodiment, the target set of serving cells includes a positive integer number of serving cells.

As a sub-embodiment of the above embodiment, the target set of serving cells includes a serving cell to which the first sub-band belongs.

As a sub-embodiment of the above embodiment, any serving cell in the target set of serving cells is triggered by the listening failure indication.

Example 6

Embodiment 6 illustrates a schematic diagram of a first type of signaling and a first snoop, as shown in fig. 6.

In embodiment 6, the first type of signaling is used to determine the first index in the present application; the first listening is performed each time the first type of signaling is detected.

As an embodiment, the first type of signaling is dynamically configured.

As an embodiment, the first type of signaling is higher layer signaling.

As an embodiment, the first type of signaling is RRC signaling.

As an embodiment, the first type of signaling is MAC CE signaling.

As an embodiment, the first type of signaling is physical layer signaling.

As an embodiment, the first type of signaling is transmitted on the downlink.

As an embodiment, the first type of signaling is transmitted on a sidelink.

As an embodiment, the first type of signaling is DCI (Downlink Control Information ) signaling.

As an embodiment, the first type of signaling is transmitted on PDCCH (Physical Downlink Control CHannel ).

As an embodiment, the first type of signaling is SCI (Sidelink Control Information ) signaling.

As an embodiment, the TCI state indicated by the first index is used for receiving the first type of signaling.

As an embodiment, the TCI state indicated by the first index is used to determine a multi-antenna related parameter for receiving the first type of signaling.

As an embodiment, the first index is used to determine a first reference signal resource to which multiple antenna related parameters receiving the first type of signaling are associated.

As one embodiment, the first index is used to determine a first reference signal resource whose QCL parameters are used to receive the first type of signaling.

As an embodiment, the first index is used to determine a first reference signal resource, and QCL parameters for receiving the first reference signal resource are used to determine multiple antenna related parameters for receiving the first type of signaling.

As one embodiment, the first index is used to determine a first reference signal resource and QCL parameters for receiving the first reference signal resource are used to receive the first type of signaling.

As an embodiment, the first index is used to determine a first reference signal resource, and QCL parameters for transmitting the first reference signal resource are used to receive the first type of signaling.

As one embodiment, the multi-antenna related parameters receiving the first type of signaling include an analog beamforming matrix.

As one embodiment, the multi-antenna related parameters receiving the first type of signaling include a digital beamforming matrix.

As an embodiment, the multi-antenna related parameters receiving the first type of signaling comprise coefficients of a spatial filter.

As an embodiment, the multi-antenna related parameters receiving the first type of signaling include QCL parameters.

As an embodiment, a signaling format of the first type of signaling is used to determine the first index.

As an embodiment, the first type of signaling carries a first identification, which is used to determine the first index.

As an embodiment, the first identification is a non-negative integer.

As an embodiment, the first identity is an RNTI (Radio Network Temporary Identifier, radio network temporary identity).

As an embodiment, the signaling format of the first type of signaling belongs to a first format set, and the first format set corresponds to the first index; the first set of formats includes a positive integer number of signaling formats (formats).

As an embodiment, Q format sets are respectively in one-to-one correspondence with the Q indexes, and a first format set is one format set of the Q format sets including signaling formats of the first type of signaling, and the first index is one index corresponding to the first format set in the Q indexes; any one of the Q Format sets includes a positive integer number of signaling formats (formats).

As an embodiment, a first type of signaling is used to indicate the first index.

As an embodiment, the first type of signaling explicitly indicates the first index.

As an embodiment, the first type of signaling implicitly indicates the first index.

As an embodiment, the first type of signaling includes a first field, the first field in the first type of signaling being used to determine the first index.

As an embodiment, the first type of signaling includes a first field, and the first field in the first type of signaling is used to indicate the first index.

As a sub-embodiment of the above embodiment, the first field in the first type of signaling explicitly indicates the first index.

As a sub-embodiment of the above embodiment, the first field in the first type of signaling implicitly indicates the first index.

As an embodiment, the first index is equal to a value of the first field in the first type of signaling.

As an embodiment, the first index is a value of a mapping of the first domain in the first type of signaling in a first mapping table.

As an embodiment, the positive integer number of candidate values of the first field in the first type of signaling all correspond to the first index.

As an embodiment, only one candidate value of the first field in the first type of signaling corresponds to the first index.

As an embodiment, the plurality of candidate values of the first domain in the first type of signaling correspond to the first index.

As an embodiment, the first domain is a TCI (Transmission configuration indication, transport configuration indication) domain.

As an embodiment, the first domain SRS Resource (Resource) indicates a (Indicator) domain.

As an embodiment, the first field in the first type of signaling indicates one RS resource.

As an embodiment, the first field in the first type of signaling indicates a first multi-antenna related parameter, and the first listening uses the first multi-antenna related parameter.

As an embodiment, the first field in the first type of signaling is used to indicate a multi-antenna related parameter of the wireless transmission on the first channel.

As an embodiment, the multi-antenna related parameter of the wireless transmission on the first channel is the same as the first listening using the first multi-antenna related parameter.

As an embodiment, the multi-antenna related parameter of the wireless transmission on the first channel is different from the first listening using the first multi-antenna related parameter.

As one embodiment, the multi-antenna related parameters of the wireless transmission on the first channel comprise an analog beamforming matrix.

As one embodiment, the multi-antenna related parameters of the wireless transmission on the first channel comprise a digital beamforming matrix.

As one embodiment, the multi-antenna related parameters of the wireless transmission on the first channel comprise coefficients of a spatial filter.

As one embodiment, the multi-antenna related parameters of the wireless transmission on the first channel include QCL parameters.

As an embodiment, the first mapping table is configured by higher layer signaling.

As an embodiment, the first mapping table is configured by RRC signaling.

As an embodiment, the first mapping table is configured by MAC CE signaling.

As an embodiment, the first mapping table is preconfigured (Preconfigured).

As an embodiment, the first mapping table is predefined.

As an embodiment, the first mapping table is fixed.

As an embodiment, the first mapping table is a TCI table.

As an embodiment, the first mapping table is an SRS resource table.

As an embodiment, in the first mapping table, only one mapping value is a candidate value of the first domain in the first type of signaling.

As an embodiment, in the first mapping table, at least two candidate values of the first domain in the first type of signaling are mapped to the same mapping value.

As an embodiment, the first type of signaling includes a second field, the second field in the first type of signaling being used to indicate a multi-antenna related parameter of the wireless transmission on the first channel; the first domain and the second domain are two different domains.

As an embodiment, the second domain is a TCI (Transmission configuration indication, transport configuration indication) domain.

As an embodiment, the second domain SRS Resource (Resource) indicates the (Indicator) domain.

As one embodiment, the second field in the first type of signaling indicates a multi-antenna related parameter of the wireless transmission on the first channel.

As an embodiment, when K first class signaling is detected, K first snoops are performed, K being a positive integer.

As an embodiment, the first type of signaling is one of Q types of signaling, the Q types of signaling are used to determine the Q indices, and the first index is one index determined by the first type of signaling in the Q indices.

As an embodiment, the first receiver monitors the Q-1 class signaling other than the first class signaling in the Q class signaling on the first sub-band.

Example 7

Embodiment 7 illustrates a schematic diagram of a first timer, as shown in fig. 7.

In embodiment 7, the Q indexes in the present application correspond to Q timers one by one, and the first timer is one of the Q timers corresponding to the first index in the present application.

As an embodiment, the expiration values of the Q timers are all positive integers.

As an embodiment, the expiration values of the Q timers are all the same.

As an embodiment, expiration values of at least two timers of the Q timers are different.

As an embodiment, expiration values of the Q timers are respectively configured.

As an embodiment, expiration values of the Q timers are predefined respectively.

As one embodiment, the Q timers and the Q counters are maintained by a sender of the first signal.

As an embodiment, the Q timers are all for the first sub-band.

As one embodiment, the meaning of the Q indexes of the sentence corresponding to the Q timers one by one includes: the Q timers are respectively in one-to-one correspondence with the Q counters. As one embodiment, the meaning of the Q indexes of the sentence corresponding to the Q timers one by one includes: the Q timers are associated with the Q indices, respectively.

As one embodiment, the meaning of the Q indexes of the sentence corresponding to the Q timers one by one includes: the Q timers are used to determine the Q counters, respectively.

As one embodiment, the meaning of the Q indexes of the sentence corresponding to the Q timers one by one includes: the Q counters are associated with the Q timers, respectively.

As one embodiment, the meaning of the Q indexes of the sentence corresponding to the Q timers one by one includes: when the first timer expires, only the first counter of the Q counters is reset to an initial value.

As one embodiment, the meaning of the Q indexes of the sentence corresponding to the Q timers one by one includes: when the first timer expires, any one of the Q counters other than the first counter remains unchanged.

Example 8

Example 8 illustrates a schematic diagram of another first timer, as shown in fig. 8.

In embodiment 8, the Q counters in the present application each correspond to the first timer.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: the Q indices each correspond to the first timer.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: the first timer is independent of which of the Q indices the first index is.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: the first timer is used to determine any one of the Q counters.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: the first timer is used to determine each of the Q counters.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: the Q counters are each associated with the first timer.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: when the first timer expires, the Q counters are all reset to an initial value.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: when the first timer expires, only the first counter of the Q counters is reset to an initial value.

As an embodiment, the meaning of each of the Q counters of the sentence corresponding to the first timer includes: when the first timer expires, any one of the Q counters other than the first counter remains unchanged.

Example 9

Embodiment 9 illustrates a schematic diagram of another first timer, as shown in fig. 9.

In embodiment 9, each of the Q counters corresponds to the first timer; when the first timer expires, the Q counters in the present application are all reset to initial values.

As one embodiment, the first transmitter resets the Q counters to an initial value when the first timer expires.

As an embodiment, when the first timer expires, the first transmitter further resets all of the Q-1 counters other than the first counter to an initial value.

Example 10

Embodiment 10 illustrates a schematic diagram of a first signaling, as shown in fig. 10.

In embodiment 10, the first signaling indicates at least one of an expiration value of the first timer in the present application, and a target gate of the Q counters in the present application.

As an embodiment, the first signaling comprises higher layer signaling.

As an embodiment, the first signaling comprises RRC signaling.

As an embodiment, the first signaling includes MAC CE signaling.

As an embodiment, the first signaling includes an IE (Information Element ) in RRC signaling.

As an embodiment, the first signaling includes a plurality of IEs in RRC signaling.

As an embodiment, the first signaling includes LBT-FailureRecoveryConfig IE in RRC signaling.

As an embodiment, the first signaling indicates at least one of an expiration value of the Q timers, and a target threshold of the Q counters.

As an embodiment, the first signaling indicates expiration values of the Q timers and target gates of the Q counters.

As one embodiment, the first signaling indicates expiration values of the Q timers.

As an embodiment, the first signaling indicates a target gate of the Q counters.

As an embodiment, the first signaling indicates at least one of an expiration value of each of the Q timers, a target threshold of each of the Q counters.

As an embodiment, the first signaling indicates an expiration value of each of the Q timers and a target gate of each of the Q counters.

As one embodiment, the first signaling indicates an expiration value for each of the Q timers.

As an embodiment, the first signaling indicates a target gate for each of the Q counters.

As an embodiment, the expiration values of the Q timers are all the same, and the first signaling indicates the expiration values of the Q timers.

As an embodiment, the target gates of the Q counters are all the same, and the first signaling indicates the target gates of the Q counters.

As an embodiment, the first signaling comprises LBT-FailureRecoveryConfig IE.

As one embodiment, the expiration values of the Q timers are indicated by lbt-FailureDetectionTimer.

As an embodiment, the first signaling indicates an expiration value of the first timer and a target threshold of the Q counters.

As an embodiment, the first signaling indicates an expiration value of the first timer.

As an embodiment, the first signaling indicates at least one of an expiration value of the first timer, a target threshold of each of the Q counters.

As an embodiment, the first signaling indicates an expiration value of the first timer and a target threshold for each of the Q counters.

As an embodiment, the first signaling comprises LBT-FailureRecoveryConfig IE.

As one embodiment, the expiration value of the first timer is indicated by lbt-FailureDetectionTimer.

As an embodiment, the target gates of the Q counters are indicated by lbt-FailureInstanceMaxCount.

As an embodiment, the first signaling includes Q sub-signaling, the Q sub-signaling respectively corresponds to the Q timers one by one, the Q sub-signaling respectively corresponds to the Q counters one by one, and each of the Q sub-signaling indicates at least one of the expiration value of the corresponding timer and the target threshold of the corresponding counter.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the expiration value of a corresponding timer.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the target gate of the corresponding counter.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the expiration value of the corresponding timer and the target gate of the corresponding counter.

As an embodiment, the first signaling includes Q sub-signaling, the Q sub-signaling and the Q indices being in one-to-one correspondence, each of the Q sub-signaling indicating at least one of the expiration value of the timer associated to the corresponding index, the target gate associated to the counter of the corresponding index.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the expiration value of a timer associated to a corresponding index and the target gate associated to a counter of a corresponding index.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the expiration value of a timer associated to a corresponding index.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the target gate associated to the counter of the corresponding index.

As an embodiment, each of the Q sub-signaling includes LBT-FailureRecoveryConfig IE.

As an embodiment, the first signaling includes Q sub-signaling, the Q sub-signaling and the Q index being in one-to-one correspondence, each of the Q sub-signaling indicating at least one of the expiration value of the first timer, the target gate associated to the counter of the corresponding index.

As a sub-embodiment of the above embodiment, each of the Q sub-signalings indicates the expiration value of the first timer and the target gate associated to the counter of the corresponding index.

As a sub-embodiment of the above embodiment, each of the Q sub-signaling indicates the expiration value of the first timer.

Example 11

Example 11 illustrates a schematic diagram of a second signal, as shown in fig. 11.

In embodiment 11, the second signal indicates a second index, which is one of the Q indexes in the present application.

As an embodiment, the second signal comprises a physical layer signal.

As an embodiment, the second signal comprises a higher layer signal.

As an embodiment, the second signal comprises a MAC CE.

As an embodiment, the first node is a UE and the transmission of the second signal is grant-free (GRANT FREE).

As an embodiment, the first node is a UE, and the transmission of the second signal is a configuration Grant (Configured Grant).

As an embodiment, the first node recommends channel listening associated to the second index.

As an embodiment, the second signal is triggered in response to the first set of conditions being met.

As an embodiment, the first condition set includes: the first snoop indicates that the channel is busy.

As an embodiment, the first condition set includes: the Q indices are used to determine Q multiple antenna related parameters, respectively; the first multi-antenna related parameter is adopted by the first listening, and at least one multi-antenna related parameter existing outside the first multi-antenna related parameter in the Q multi-antenna related parameters is more suitable for being used for channel listening than the first multi-antenna related parameter.

As an embodiment, the first condition set includes: q multiple antenna related parameters are associated to the Q indices, respectively; a first multi-antenna related parameter of the Q multi-antenna related parameters, which is associated to the first index, is employed by the first listening, and at least one multi-antenna related parameter of the Q multi-antenna related parameters, which is present outside the first multi-antenna related parameter, is more suitable for being used for channel listening than the first multi-antenna related parameter.

As an embodiment, the second index is used to determine the second multi-antenna related parameter, which is more suitable for channel listening than the first multi-antenna related parameter.

As an embodiment, the multiple antenna related parameters associated to the second index are most suitable among Q multiple antenna related parameters to be used for performing channel listening, the Q multiple antenna related parameters being associated to the Q indices, respectively.

As an embodiment, the second signal is transmitted on the uplink.

As an embodiment, the second signal is transmitted over a sidelink.

As an embodiment, the physical layer channel occupied by the second signal comprises PRACH.

As an embodiment, the physical layer channel occupied by the second signal includes PUSCH.

As an embodiment, the physical layer channel occupied by the second signal includes PUCCH.

As an embodiment, the transmission channel occupied by the second signal includes UL-SCH (UpLink SHARED CHANNEL ).

As an embodiment, the physical layer channel occupied by the second signal includes a PSSCH.

As an embodiment, the transport channel occupied by the second signal includes a SL-SCH (SIDELINK SHARED CHANNEL ).

Example 12

Embodiment 12 illustrates a schematic diagram of a first snoop indication whether the channel is busy; as shown in fig. 12.

In embodiment 12, the first monitoring includes performing X times of energy detection in X time sub-pools on the first sub-band in the present application, to obtain X detection values; when all X1 detection values in the X detection values are lower than a first reference threshold value, the first monitoring indication channel is idle; otherwise, the first monitoring indication channel is busy; x is a positive integer, and X1 is a positive integer not greater than X. The process of the first snoop may be described by the flow chart of fig. 12.

In fig. 12, the first node in the present application is in an idle state in step S1001, and determines in step S1002 whether transmission is required; performing energy detection in step 1003 for a delay period (transfer duration); in step S1004, it is judged whether or not all slot periods within this delay period are idle, and if so, it proceeds to step S1005 to set the target counter equal to the X1; otherwise, returning to the step S1004; judging in step S1006 whether the target counter is 0, if so, proceeding to step S1007 to indicate that the channel is idle; otherwise proceeding to step S1008 before the first time to perform energy detection during an additional slot period (additional slot duration); in step S1009, it is judged whether this additional slot period is idle, and if so, it proceeds to step S1010 to decrement the target counter by 1, and then returns to step 1006; otherwise proceeding to step S1011 to perform energy detection during an additional delay period (additional defer duration); in step S1012, it is judged whether or not all slot periods within this additional delay period are idle, and if so, the process proceeds to step S1010; otherwise, the process returns to step S1011.

In embodiment 9, the target counter in fig. 12 is cleared before the first time, the first listening indication channel is idle, and wireless transmission may be performed on the first sub-band; otherwise, the process proceeds to step S1014 to indicate that the channel is busy and to discard the radio transmission performed on the first sub-band. The condition for clearing the target counter is that the X1 detection values in the X detection values are all lower than the first reference threshold, and the start time of the X1 time sub-pools corresponding to the X1 detection values in the X time sub-pools is after step S1005 in fig. 12.

As an embodiment, said X1 is equal to said X.

As one embodiment, the X1 is smaller than the X.

As an embodiment, the end time of the X time sub-pools is no later than the first time.

As an embodiment, the first time instant is a starting time instant of the wireless transmission on the first sub-band.

As an embodiment, the first time instant is no later than a start time instant of the wireless transmission on the first sub-band.

As an embodiment, the first time is a start time of the wireless transmission on the first channel in the present application.

As an embodiment, the first time is no later than the start time of the wireless transmission on the first channel in the present application.

As an example, the X time sub-pools include all of the delay periods of fig. 12.

As an embodiment, the X time sub-pools include a portion of the delay period of fig. 12.

As an embodiment, the X time sub-pools include all delay periods and all additional slot periods in fig. 12.

As an embodiment, the X time sub-pools include all delay periods and part of the additional slot periods in fig. 12.

As an embodiment, the X time sub-pools include all delay periods, all additional slot periods, and all additional delay periods in fig. 12.

As an embodiment, the X time sub-pools include all delay periods, part of the additional slot periods, and all additional delay periods in fig. 12.

As an embodiment, the X time sub-pools include all delay periods, a portion of the additional time slot periods, and a portion of the additional delay periods in fig. 12.

As one embodiment, the duration of any one of the X time sub-pools is one of {16 microseconds, 9 microseconds }.

As an embodiment, any one slot period (slot duration) within a given time period is one of the X time sub-pools; the given time period is any one of { all delay periods, all additional slot periods, all additional delay periods } included in fig. 12.

As one embodiment, performing energy detection within a given time period refers to: performing energy detection during all slot periods (slot duration) within the given time period; the given time period is any one of { all delay periods, all additional slot periods, all additional delay periods } included in fig. 12.

As one embodiment, the determination that it is idle by energy detection for a given time period means that: all slot periods included in the given period are judged to be idle by energy detection; the given time period is any one of { all delay periods, all additional slot periods, all additional delay periods } included in fig. 12.

As one embodiment, a given slot period being determined to be idle by energy detection means that: the first node perceives (Sense) the power of all wireless signals on the first sub-band in a given time unit and averages over time, the obtained received power being below the first reference threshold; the given time unit is one of the duration periods of the given time slot.

As a sub-embodiment of the above embodiment, the duration of the given time unit is not shorter than 4 microseconds.

As one embodiment, a given slot period being determined to be idle by energy detection means that: the first node perceives (Sense) the energy of all wireless signals on the first sub-band in a given time unit and averages over time, the obtained received energy being below the first reference threshold; the given time unit is one of the duration periods of the given time slot.

As one embodiment, performing energy detection within a given time period refers to: performing energy detection within all time sub-pools within the given time period; the given time period is any one period of { all delay periods, all additional slot periods, all additional delay periods } included in fig. 12, and the all time sub-pools belong to the X time sub-pools.

As one embodiment, the determination that it is idle by energy detection for a given time period means that: the detection values obtained by energy detection of all the time sub-pools included in the given period are lower than the first reference threshold value; the given time period is any one period of { all delay periods, all additional slot periods, all additional delay periods } included in fig. 12, the all time sub-pools belong to the X time sub-pools, and the detection values belong to the X detection values.

As an example, the duration of one delay period (delay duration) is 16 microseconds plus Y1 to 9 microseconds, said Y1 being a positive integer.

As a sub-embodiment of the above embodiment, one delay period includes y1+1 time sub-pools of the X time sub-pools.

As a reference embodiment of the above sub-embodiment, the duration of the first time sub-pool of the y1+1 time sub-pools is 16 microseconds, and the duration of the other Y1 time sub-pools is 9 microseconds.

As a sub-embodiment of the above embodiment, the given priority level is used to determine the Y1.

As a reference embodiment of the above sub-embodiment, the given Priority level is a channel access Priority level (CHANNEL ACCESS Priority Class).

As a sub-embodiment of the above embodiment, Y1 belongs to {1,2,3,7}.

For an embodiment, the definition of the channel access priority class is described in section 15 of 3gpp ts 36.213.

For an embodiment, the definition of the channel access priority class is described in section 4 of 3gpp ts 37.213.

As one embodiment, one delay period (delay duration) includes a plurality of slot periods (slot duration).

As a sub-embodiment of the above embodiment, the first slot period and the second slot period of the plurality of slot periods are discontinuous.

As a sub-embodiment of the above embodiment, the time interval between the first slot period and the second slot period of the plurality of slot periods is 7 milliseconds.

As an embodiment, the duration of one additional delay period (additional defer duration) is 16 microseconds plus Y2 9 microseconds, said Y2 being a positive integer.

As a sub-embodiment of the above embodiment, an additional delay period includes y2+1 time sub-pools of the X time sub-pools.

As a reference embodiment of the above sub-embodiment, the duration of the first time sub-pool of the y2+1 time sub-pools is 16 microseconds, and the duration of the other Y2 time sub-pools is 9 microseconds.

As a sub-embodiment of the above embodiment, the given priority level is used to determine the Y2.

As a sub-embodiment of the above embodiment, Y2 belongs to {1,2,3,7}.

As an embodiment, the duration of one delay period is equal to the duration of one additional delay period.

As an embodiment, said Y1 is equal to said Y2.

As one embodiment, one additional delay period (additional defer duration) includes a plurality of slot periods (slot duration).

As one example, the duration of one slot period (slot duration) is 9 microseconds.

As an embodiment, one slot period is 1 time sub-pool of the X time sub-pools.

As one embodiment, the duration of one additional slot period (additional slot duration) is 9 microseconds.

As an embodiment, one additional slot period comprises 1 time sub-pool of the X time sub-pools.

As one embodiment, the X energy detections are used to determine if the first sub-band is Idle.

As one embodiment, the X times energy detection is used to determine whether the first sub-band can be used by the first node to transmit wireless signals.

As an example, the X detection value units are dBm (millidecibel).

As one example, the X detection values are all in milliwatts (mW).

As an example, the X detection values are all in joules.

As one embodiment, the X1 is smaller than the X.

As an embodiment, the X is greater than 1.

As an embodiment, the first reference threshold is configurable.

As an embodiment, the first reference threshold is predefined.

As an embodiment, the first reference threshold is configured by higher layer signaling.

As an embodiment, the first reference threshold is configured by RRC signaling.

As one embodiment, the first reference threshold is in dBm (millidecibel).

As one embodiment, the first reference threshold is in milliwatts (mW).

As one embodiment, the first reference threshold is in joules.

As an embodiment, the first reference threshold is equal to or less than-72 dBm.

As an embodiment, the first reference threshold is any value equal to or smaller than a first given value.

As a sub-embodiment of the above embodiment, the first given value is predefined.

As a sub-embodiment of the above embodiment, the first given value is configured by higher layer signaling.

As an embodiment, the first reference threshold is freely selected by the first node under a condition equal to or smaller than a first given value.

As one embodiment, the X energy detections are energy detections during LBT (Listen Before Talk ) of Cat 4, the X1 is CWp during LBT of Cat 4, and the CWp is the size of a contention window (contention window).

For a specific definition of CWp, see section 15 in 3gpp ts36.213, as an embodiment.

For a specific definition of CWp, see section 4 in 3gpp ts37.213, as an embodiment.

As an embodiment, at least one of the detection values not belonging to the X1 detection values is lower than the first reference threshold.

As an embodiment, at least one of the detection values not belonging to the X1 detection values is not lower than the first reference threshold.

As an embodiment, the duration of any two time sub-pools of the X1 time sub-pools is equal.

As an embodiment, there are at least two time sub-pools of the X1 time sub-pools of unequal duration.

As an embodiment, the X1 time sub-pools include the latest time sub-pool of the X time sub-pools.

As an embodiment, the X1 time sub-pools only include slot periods in eCCA.

As one embodiment, the X time sub-pools include the X1 time sub-pools and X2 time sub-pools, any one of the X2 time sub-pools not belonging to the X1 time sub-pools; the X2 is a positive integer not greater than the X minus the X1.

As a sub-embodiment of the above embodiment, the X2 time sub-pools include slot periods in an initial CCA.

As a sub-embodiment of the above embodiment, the positions of the X2 time sub-pools in the X time sub-pools are consecutive.

As a sub-embodiment of the foregoing embodiment, at least one time sub-pool of the X2 time sub-pools corresponds to a detection value lower than the first reference threshold.

As a sub-embodiment of the foregoing embodiment, at least one time sub-pool of the X2 time sub-pools corresponds to a detection value not lower than the first reference threshold.

As a sub-embodiment of the above embodiment, the X2 time sub-pools include all slot periods within all delay periods.

As a sub-embodiment of the above embodiment, the X2 time sub-pools comprise all slot periods within at least one additional delay period.

As a sub-embodiment of the above embodiment, the X2 time sub-pools comprise at least one additional slot period.

As a sub-embodiment of the above embodiment, the X2 time sub-pools include all the additional time slot periods and all the time slot periods within all the additional delay periods in fig. 12 that are determined to be non-idle by energy detection.

As one embodiment, the X1 time sub-pools belong to X1 sub-pool sets respectively, and any one of the X1 sub-pool sets includes a positive integer number of the X time sub-pools; and the detection value corresponding to any time sub-pool in the X1 sub-pool set is lower than the first reference threshold value.

As a sub-embodiment of the foregoing embodiment, the number of time sub-pools included in at least one sub-pool set among the X1 sub-pool sets is equal to 1.

As a sub-embodiment of the foregoing embodiment, the number of time sub-pools included in at least one sub-pool set in the X1 sub-pool sets is greater than 1.

As a sub-embodiment of the above embodiment, the number of time sub-pools included in at least two sub-pool sets in the X1 sub-pool sets is not equal.

As a sub-embodiment of the above embodiment, there is no time sub-pool of the X time sub-pools belonging to two sub-pool sets of the X1 sub-pool sets at the same time.

As a sub-embodiment of the above embodiment, all time sub-pools in any one of the X1 sub-pool sets belong to the same additional delay period or additional slot period determined to be idle by energy detection.

As a sub-embodiment of the foregoing embodiment, at least one detection value corresponding to a time sub-pool that does not belong to the X1 sub-pool set among the X time sub-pools is lower than the first reference threshold.

As a sub-embodiment of the foregoing embodiment, at least one detection value corresponding to a time sub-pool that does not belong to the X1 sub-pool set in the X time sub-pools is not lower than the first reference threshold.

Example 13

Embodiment 13 illustrates another schematic diagram of a first snoop indication channel being busy; as shown in fig. 13.

In embodiment 13, the first listening includes performing X times of energy detection in X time sub-pools on the first sub-band in the present application, respectively, to obtain X detection values; when all X1 detection values in the X detection values are lower than a first reference threshold value, the first monitoring indication channel is idle; otherwise, the first monitoring indication channel is busy; x is a positive integer, and X1 is a positive integer not greater than X. The process of the first listening may be described by the flow chart in fig. 13.

In embodiment 13, the first node in the present application is in an idle state in step S2201, and determines in step S2202 whether transmission is required; performing energy detection in step 2203 for a sensing time (SENSING INTERVAL); determining in step S2204 whether all slot periods within this perceived time are Idle (Idle), if so, proceeding to step S2205 to indicate that the channel is Idle, wireless transmission may be performed on the first sub-band; otherwise, the process returns to step S2203 before the first time. When it is determined in step S2206 that the first time is reached, the process proceeds to step S2207 to indicate that the channel is busy, and the radio transmission on the first sub-band is abandoned.

For a specific definition of the sensing time, see section 15.2 in 3gpp ts36.213, as an embodiment.

For a specific definition of the perceived time, see section 4 in 3gpp ts37.213, as an embodiment.

As an embodiment, said X1 is equal to 1.

As an embodiment, said X1 is equal to 2.

As an embodiment, said X1 is equal to said X.

As an example, the duration of one sensing time (SENSING INTERVAL) is 25 microseconds.

As an example, the duration of one sensing time (SENSING INTERVAL) is 16 microseconds.

As one embodiment, one sensing time includes 2 slot periods, which are discontinuous in the time domain.

As a sub-embodiment of the above embodiment, the time interval in the 2 slot periods is 7 microseconds.

As one embodiment, the X time sub-pools include snoop times in Category 2 LBT.

As an embodiment, the X time sub-pools include time slots in a perceived time interval (SENSING INTERVAL) in Type 2UL channel access procedure (second Type of uplink channel access procedure).

For a specific definition of the sensing time interval, see section 15.2 in 3gpp ts36.213, as an embodiment.

For a specific definition of the sensing time interval, see section 4 in 3gpp ts37.213, as an embodiment.

As an embodiment, the duration of the sensing time interval is 25 microseconds.

As an embodiment, the duration of the sensing time interval is 16 microseconds.

As an embodiment, the X time sub-pools include Tf in a perceived time interval (SENSING INTERVAL) in Type 2UL channel access procedure (second Type of uplink channel access procedure).

As an embodiment, the X time sub-pools include Tf and Tsl in a sensing time interval (SENSING INTERVAL) in Type 2UL channel access procedure (second Type of uplink channel access procedure).

For a specific definition of said Tf and said Tsl, see section 15.2 in 3gpp ts36.213, as an example.

For a specific definition of said Tf and said Tsl, see section 4 in 3gpp ts37.213, as an example.

As one example, the duration of Tf is 16 microseconds.

As an example, the duration of Tsl is 9 microseconds.

As an embodiment, the X1 is equal to 1 and the duration of the X1 time sub-pools is 16 microseconds.

As an embodiment, the X1 is equal to 2, the first of the X1 time sub-pools has a duration of 16 microseconds and the second of the X1 time sub-pools has a duration of 9 microseconds.

As an embodiment, the duration of the X1 time sub-pools is 9 microseconds; the time interval between the first time sub-pool and the second time sub-pool of the X1 time sub-pools is 7 microseconds, and X1 is equal to 2.

Example 14

Embodiment 14 illustrates a block diagram of the processing means in a first node device, as shown in fig. 14. In fig. 14, a first node device processing apparatus 1200 includes a first receiver 1201 and a first transmitter 1202.

As an embodiment, the first node device 1200 is a user device.

As an embodiment, the first node device 1200 is a relay node.

As an embodiment, the first node device 1200 is a base station device.

As an embodiment, the first node device 1200 is an in-vehicle communication device.

As an embodiment, the first node device 1200 is a user device supporting V2X communication.

As an embodiment, the first node device 1200 is a relay node supporting V2X communication.

As an example, the first receiver 1201 includes 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 of fig. 4 of the present application.

As an example, the first receiver 1201 includes at least two 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 of fig. 4 of the present application.

As an example, the first receiver 1201 includes at least one of the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

As an example, the first receiver 1201 includes at least two of the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

As one example, the first transmitter 1202 includes at least one of the antenna 452, the transmitter 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.

As one example, the first transmitter 1202 includes at least a first of the antenna 452, the transmitter 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.

As an example, the first transmitter 1202 includes at least one of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

As one example, the first transmitter 1202 includes at least the first two of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

A first receiver 1201 performing a first listening on a first sub-band; determining to discard wireless transmissions on the first channel and to start a first timer and update the first counter by 1 when the first listening indication channel is busy;

A first transmitter 1202 that resets the first counter to an initial value when the first timer expires; when any counter in the Q counters reaches or exceeds a target threshold, a first signal is sent;

In embodiment 14, the first channel belongs to the first sub-band in the frequency domain, the first listening is associated to a first index, the first index being any one of Q indices; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As one embodiment, the Q indexes are respectively in one-to-one correspondence with Q timers, and the first timer is one timer corresponding to the first index in the Q timers.

As an embodiment, the Q counters each correspond to the first timer.

As one embodiment, when the first timer expires, the Q counters are all reset to an initial value by the first transmitter 1202.

As an embodiment, the first receiver 1201 monitors the first sub-band for a first type of signaling; wherein the first type of signaling is used to determine the first index; the first listening is performed each time the first type of signaling is detected.

As one embodiment, the first transmitter 1202 triggers a listening failure indication for the first sub-band when any one of the Q counters reaches or exceeds a target threshold; wherein the first signal is generated as a response to the listening failure indication of the first sub-band being triggered.

As an embodiment, the first transmitter 1202 passes the listening failure indication to a higher layer when all PRACH configured subbands in the first serving cell have been triggered by the listening failure indication; when at least one PRACH configured sub-band in a first serving cell is not triggered by the listening failure indication, the first transmitter 1202 switches from the first sub-band to a second sub-band; wherein the second sub-band is a sub-band of the first serving cell configured with PRACH and not triggered by the listening failure indication.

As an embodiment, the first transmitter 1202 sends a radio connection failure message in response to the passing of the listening failure indication to a higher layer.

As an embodiment, the first receiver 1201 receives a first signaling; wherein the first signaling indicates at least one of an expiration value of the first timer, and a target threshold of the Q counters.

For one embodiment, the first transmitter 1202 transmits a second signal; wherein the second signal indicates a second index, the second index being one of the Q indices.

Example 15

Embodiment 15 illustrates a block diagram of the processing means in a second node device, as shown in fig. 15. In fig. 15, the second node device processing apparatus 1300 includes a second receiver 1302 and a second transmitter 1301, wherein the second transmitter 1301 is optional.

As an embodiment, the second node device 1300 is a user device.

As an embodiment, the second node device 1300 is a base station.

As an embodiment, the second node device 1300 is a relay node.

As one embodiment, the second node apparatus 1300 is an in-vehicle communication apparatus.

As an embodiment, the second node device 1300 is a user device supporting V2X communication.

As an embodiment, the second node apparatus 1300 is a relay node supporting V2X communication.

As an example, the second receiver 1302 includes 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 of fig. 4 of the present application.

As one example, the second receiver 1302 includes at least the first two 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 of fig. 4 of the present application.

As an example, the second receiver 1302 includes at least one of the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

As one example, the second receiver 1302 includes at least the first two of the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

As one example, the second transmitter 1301 includes at least one of the antenna 452, the transmitter 454, the multi-antenna transmitter processor 457, the transmission processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 4 of the present application.

As one example, the second transmitter 1301 includes at least two of the antenna 452, the transmitter 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.

As an example, the second transmitter 1301 includes at least one of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

As one example, the second transmitter 1301 includes at least the first two of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

A second receiver 1302 that receives the first signal;

In embodiment 15, the sender of the first signal maintains Q counters, any one of which reaches or exceeds a target threshold; the sender of the first signal performing a first listening on a first sub-band; when the first listening indication channel is busy, the sender of the first signal determines to discard wireless transmissions on the first channel and starts a first timer and updates a first counter by 1; the first channel belongs to the first sub-band in a frequency domain, the first listening is associated to a first index, and the first index is any index of Q indexes; the Q indexes are respectively in one-to-one correspondence with the Q counters, and the first counter is one counter corresponding to the first index in the Q counters; q is a positive integer greater than 1.

As an embodiment, the Q counters each correspond to the first timer.

As one embodiment, when the first timer expires, the Q counters are all reset to an initial value by the sender of the first signal.

As an embodiment, the second node device includes:

A second transmitter 1301 transmitting a first type of signaling on the first sub-band;

For one embodiment, the second receiver 1302 receives a radio connection failure message; wherein the sender of the first signal passes the snoop failure indication to a higher layer.

As an embodiment, the second node device includes:

a second transmitter 1301 transmitting the first signaling;

For one embodiment, the second receiver 1302 receives a second signal; wherein the second signal indicates a second index, the second index being one of the Q indices.

Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described methods may be implemented by a program that instructs associated hardware, and the program may be stored on 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 using one or more integrated circuits. Accordingly, each module unit in the above embodiment may be implemented in a hardware form or may be implemented in a software functional module form, and the present application is not limited to any specific combination of software and hardware. The first node device in the application comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, an internet card, a low-power consumption device, an eMTC device, an NB-IoT device, a vehicle-mounted communication device, an aircraft, an airplane, an unmanned plane, a remote control airplane and other wireless communication devices. The second node device in the application comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, an internet card, a low-power consumption device, an eMTC device, an NB-IoT device, a vehicle-mounted communication device, an aircraft, an airplane, an unmanned plane, a remote control airplane and other wireless communication devices. The user equipment or the UE or the terminal in the application comprises, but is not limited to, mobile phones, tablet computers, notebooks, network cards, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle-mounted communication equipment, aircrafts, planes, unmanned planes, remote control planes and other wireless communication equipment. The base station device or the base station or the network side device in the present application includes, but is not limited to, wireless communication devices such as macro cell base stations, micro cell base stations, home base stations, relay base stations, enbs, gnbs, transmission receiving nodes TRP, GNSS, relay satellites, satellite base stations, air base stations, and the like.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

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

A first receiver, performing a first monitoring on a first sub-frequency band; when the first monitoring indicates that the channel is busy, determining to abandon the wireless transmission on the first channel and starting a first timer and updating the first counter by 1;

A first transmitter, when the first timer expires, resets the first counter to an initial value; when any counter among the Q counters reaches or exceeds a target threshold, sends a first signal;

Among them, the first channel belongs to the first sub-band in the frequency domain, the first monitoring is associated with a first index, and the first index is any index among Q indexes; the Q indexes correspond one-to-one to the Q counters respectively, and the first counter is a counter among the Q counters corresponding to the first index; Q is a positive integer greater than 1.

2. The first node device according to claim 1 is characterized in that the Q indexes correspond one-to-one to Q timers respectively, and the first timer is a timer among the Q timers corresponding to the first index.

3 . The first node device according to claim 1 , wherein the Q counters all correspond to the first timer.

4 . The first node device according to claim 3 , wherein when the first timer expires, the Q counters are reset to initial values by the first transmitter.

5. The first node device according to any one of claims 1 to 4 is characterized in that the first receiver monitors the first type of signaling on the first sub-frequency band; wherein the first type of signaling is used to determine the first index; and the first monitoring is performed each time the first type of signaling is detected.

6. The first node device according to any one of claims 1 to 4 is characterized in that when any of the Q counters reaches or exceeds the target threshold, the first transmitter triggers the monitoring failure indication of the first sub-band; wherein, as a response to the monitoring failure indication of the first sub-band being triggered, the first signal is generated.

7. The first node device according to claim 6 is characterized in that, when all sub-bands configured with PRACH in the first service cell have been triggered by the monitoring failure indication, the first transmitter passes the monitoring failure indication to a higher layer; when there is at least one sub-band configured with PRACH in the first service cell that has not been triggered by the monitoring failure indication, the first transmitter switches from the first sub-band to a second sub-band; wherein the second sub-band is a sub-band of the first service cell that is configured with PRACH and has not been triggered by the monitoring failure indication.

8. The first node device according to claim 7, characterized in that, as a response to passing the monitoring failure indication to the upper layer, the first transmitter sends a wireless connection failure message.

9. The first node device according to any one of claims 1 to 4 is characterized in that the first receiver receives a first signaling; wherein the first signaling indicates at least one of an expiration value of the first timer and a target threshold of the Q counters.

10. The first node device according to any one of claims 1 to 4, characterized in that the first transmitter sends a second signal; wherein the second signal indicates a second index, and the second index is one of the Q indexes.

11. A second node device used for wireless communication, comprising:

A second receiver receives the first signal;

Among them, the sender of the first signal maintains Q counters, and any counter of the Q counters reaches or exceeds the target threshold; the sender of the first signal performs a first monitoring on a first sub-band; when the first monitoring indicates that the channel is busy, the sender of the first signal determines to abandon the wireless transmission on the first channel and starts a first timer and updates the first counter by 1; the first channel belongs to the first sub-band in the frequency domain, and the first monitoring is associated with a first index, which is any index of the Q indexes; the Q indexes correspond one-to-one to the Q counters respectively, and the first counter is a counter of the Q counters corresponding to the first index; Q is a positive integer greater than 1.

12. The second node device according to claim 11 is characterized in that the Q indexes correspond one-to-one to Q timers respectively, and the first timer is a timer among the Q timers corresponding to the first index.

13. The second node device according to claim 11, characterized in that the Q counters all correspond to the first timer.

14 . The second node device according to claim 13 , wherein when the first timer expires, the Q counters are reset to initial values by the sender of the first signal.

15. The second node device according to any one of claims 11 to 14, characterized in that it comprises:

A second transmitter, sending a first type of signaling on the first sub-frequency band;

The first type of signaling is used to determine the first index; and the first monitoring is performed each time the sender of the first signal detects the first type of signaling.

16. The second node device according to any one of claims 11 to 14 is characterized in that the second receiver receives a wireless connection failure message; wherein the sender of the first signal passes the monitoring failure indication to a higher layer.

17. The second node device according to any one of claims 11 to 14, characterized in that it comprises:

A second transmitter sends a first signaling;

The first signaling indicates at least one of an expiration value of the first timer and target thresholds of the Q counters.

18. The second node device according to any one of claims 11 to 14, characterized in that the second receiver receives a second signal; wherein the second signal indicates a second index, and the second index is one of the Q indexes.

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

Performing a first monitoring on a first sub-frequency band; when the first monitoring indicates that the channel is busy, determining to abandon the wireless transmission on the first channel and starting a first timer and updating the first counter by 1;

When the first timer expires, resetting the first counter to an initial value; when any of the Q counters reaches or exceeds a target threshold, sending a first signal;

20. The method in the first node according to claim 19, characterized in that the Q indexes correspond one-to-one to Q timers respectively, and the first timer is a timer corresponding to the first index among the Q timers.

21. The method in the first node according to claim 19, characterized in that the Q counters all correspond to the first timer.

22. The method in the first node according to claim 21, characterized in that when the first timer expires, the Q counters are reset to initial values.

23. The method in the first node according to any one of claims 19 to 22, characterized by comprising:

monitoring a first type of signaling on the first sub-frequency band;

The first type of signaling is used to determine the first index; and the first monitoring is performed each time the first type of signaling is detected.

24. The method in the first node according to any one of claims 19 to 22, characterized by comprising:

When any counter among the Q counters reaches or exceeds a target threshold, triggering a monitoring failure indication of the first sub-frequency band;

The first signal is generated as a response to the monitoring failure indication of the first sub-frequency band being triggered.

25. The method in the first node according to claim 24, characterized by comprising:

When all the sub-frequency bands configured with PRACH in the first serving cell have been triggered by the monitoring failure indication, passing the monitoring failure indication to a higher layer; when there is at least one sub-frequency band configured with PRACH in the first serving cell that has not been triggered by the monitoring failure indication, switching from the first sub-frequency band to the second sub-frequency band;

The second sub-frequency band is a sub-frequency band of the first serving cell that is configured with PRACH and in which the monitoring failure indication is not triggered.

26. The method in the first node according to claim 25, characterized by comprising:

In response to passing the monitoring failure indication to the upper layer, a radio connection failure message is sent.

27. The method in the first node according to any one of claims 19 to 22, characterized by comprising:

receiving a first signaling;

28. The method in the first node according to any one of claims 19 to 22, characterized by comprising:

sending a second signal;

The second signal indicates a second index, and the second index is one of the Q indexes.

29. A method used in a second node of wireless communication, comprising:

receiving a first signal;

30. The method in the second node according to claim 29, characterized in that the Q indexes correspond one-to-one to Q timers respectively, and the first timer is a timer corresponding to the first index among the Q timers.

31. The method in the second node according to claim 29, characterized in that the Q counters all correspond to the first timer.

32. The method in the second node according to claim 31, characterized in that when the first timer expires, the Q counters are reset to initial values by the sender of the first signal.

33. The method in the second node according to any one of claims 29 to 32, characterized by comprising:

Sending a first type of signaling on the first sub-frequency band;

34. The method in the second node according to any one of claims 29 to 32, comprising:

Receive wireless connection failure message;

The sender of the first signal transmits a monitoring failure indication to an upper layer.

35. The method in the second node according to any one of claims 29 to 32, characterized by comprising:

Sending a first signaling;

36. The method in the second node according to any one of claims 29 to 32, comprising:

receiving a second signal;