WO2022151140A1

WO2022151140A1 - Channel access method and apparatus, and storage medium

Info

Publication number: WO2022151140A1
Application number: PCT/CN2021/071715
Authority: WO
Inventors: 付婷
Original assignee: 北京小米移动软件有限公司
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-07-21
Also published as: CN115088376A

Abstract

Provided are a channel access method and apparatus, and a storage medium. The channel access method comprises: determining a first channel interference value, wherein the first channel interference value is determined by a sending end device according to a channel interference measurement; receiving a second channel interference value sent by a receiving end device, wherein the second channel interference value is determined by the receiving end device according to a channel interference measurement; and according to the first channel interference value and the second channel interference value, determining whether to access a channel. By means of the present disclosure, the aim of a receiving end device assisting a sending end device in accessing a channel is achieved, resource overheads are relatively small, and the channel access difficulty is low.

Description

Channel access method and device, and storage medium

technical field

The present disclosure relates to the field of communications, and in particular, to a channel access method and device, and a storage medium.

Background technique

On NR-U (New Radio on Unlicensed Spectrum), the originating device generally needs to monitor the channel before occupying the channel to send data, that is, CCA (Clear Channel Assessment, idle channel detection). If the originating device determines that the channel is idle after performing CCA, it can occupy the channel to send data, and its MCOT (Maximum Channel Occupy Time, the maximum channel occupation time) can be agreed by the protocol or configured/instructed by the base station, otherwise the channel cannot be occupied. The above process is generally referred to as the channel access mechanism of LBT (Listen Before Talk, listen first and then talk) on the unlicensed frequency band.

Currently, the originating device can evaluate the channel interference to decide whether to access the channel, that is, the originating device executes the LBT mechanism.

SUMMARY OF THE INVENTION

To overcome the problems existing in the related art, the embodiments of the present disclosure provide a channel access method and device, and a storage medium.

According to a first aspect of the embodiments of the present disclosure, a channel access method is provided, and the method is used for an originating device, including:

determining a first channel interference value, where the first channel interference value is determined by the transmitting device according to channel interference measurement;

receiving a second channel interference value sent by the receiving end device, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

Whether to access a channel is determined according to the first channel interference value and the second channel interference value.

Optionally, the determining whether to access the channel according to the first channel interference value and the second channel interference value includes:

When the first channel interference value is less than or equal to a first preset threshold value, and the second channel interference value is less than or equal to a second preset threshold value, determine the access channel.

In the case that the first channel interference value is greater than the first preset threshold value, do not access the channel; or

In the case that the second channel interference value is greater than the second preset threshold value, the channel is not accessed.

In the case of being within the valid time period corresponding to the second channel interference value, whether to access the channel is determined according to the first channel interference value and the second channel interference value.

Optionally, the method further includes:

receiving an indication message, the indication message being used to indicate the validity period; or

Determine the effective duration based on the agreement; or

The valid duration is determined based on a preset period corresponding to the second channel interference value.

Optionally, the method further includes:

Send first indication information, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the transmitting end device.

Optionally, the method further includes:

Sending second indication information, where the second indication information is used to instruct the receiving end device to send the second channel interference value corresponding to at least part of the transmission beams one-to-one to the transmitting end device.

determining a target channel interference value corresponding to a target transmission beam among the second channel interference values corresponding to the at least part of the transmission beams one-to-one;

According to the first channel interference value and the target channel interference value, it is determined whether to access the channel through the target transmission beam.

Optionally, the originating device is a network device, or the originating device is a terminal.

According to a second aspect of the embodiments of the present disclosure, a channel access method is provided, and the method is used for a receiving end device, including:

determining a second channel interference value, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

Send the second channel interference value to the originating device.

Optionally, the sending the second channel interference value to the originating device includes:

According to a preset period, the second channel interference value is sent to the originating device.

Optionally, the method further includes:

Receive first indication information sent by the originating device, where the first indication information is used to instruct the destination device to send the second channel interference value to the originating device.

Optionally, the determining the second channel interference value includes:

A second channel interference value is determined in a one-to-one correspondence with at least some of the transmit beams.

Optionally, the determining of the second channel interference value corresponding to at least part of the transmission beams one-to-one includes:

determining a receive beam that corresponds one-to-one with at least part of the transmit beam;

determining the second channel interference value corresponding to the at least part of the transmission beams one-to-one, and the second channel interference value corresponding to the at least part of the transmission beams one-to-one by using the receiving beams corresponding to the at least part of the transmission beams respectively Determined by performing channel interference measurements.

Optionally, the method further includes:

Receive second indication information sent by the transmitting end device, where the second indication information is used to instruct the receiving end device to send a second channel interference value corresponding to at least part of the transmission beams to the transmitting end device.

Optionally, the method further includes:

According to the agreement, the at least part of the transmission beam is determined.

Optionally, the receiving end device is a terminal, or the receiving end device is a base station.

According to a third aspect of the embodiments of the present disclosure, there is provided an apparatus for channel access, the apparatus being used for an originating device, including:

a first determining module, configured to determine a first channel interference value, where the first channel interference value is determined by the originating device according to channel interference measurement;

a receiving module, configured to receive a second channel interference value sent by a receiving end device, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

The second determining module is configured to determine whether to access the channel according to the first channel interference value and the second channel interference value.

Optionally, the processing module is further configured to, when the first channel interference value is less than or equal to a first preset threshold value, and the second channel interference value is less than or equal to a second preset threshold value Next, determine the access channel.

Optionally, the processing module is further configured to not access the channel when the first channel interference value is greater than a first preset threshold; or

The processing module is further configured to not access the channel when the interference value of the second channel is greater than a second preset threshold value.

Optionally, the processing module is further configured to determine whether to access or not according to the first channel interference value and the second channel interference value in the case of being within the valid duration corresponding to the second channel interference value channel.

Optionally, the receiving module is further configured to receive an indication message, where the indication message is used to indicate the valid duration; or

The processing module is further configured to determine the valid duration based on the agreement; or

The processing module is further configured to determine the effective duration based on a preset period corresponding to the second channel interference value.

Optionally, the device further includes:

A sending module, configured to send first indication information, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the sending end device.

Optionally, the device further includes:

A sending module, configured to send second indication information, where the second indication information is used to instruct the receiving end device to send the second channel interference value corresponding to at least part of the transmit beams one-to-one to the sending end device.

Optionally, the processing module is further configured to determine a target channel interference value corresponding to the target transmission beam among the second channel interference values corresponding to the at least part of the transmission beams one-to-one; according to the first channel The interference value and the target channel interference value determine whether to access the channel through the target transmission beam.

According to a fourth aspect of the embodiments of the present disclosure, there is provided a channel access apparatus, the apparatus is used for a receiving end device, including:

a third determining module configured to determine a second channel interference value, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

A sending module, configured to send the second channel interference value to the originating device.

Optionally, the sending module is further configured to send the second channel interference value to the originating device according to a preset period.

Optionally, the device further includes:

A receiving module, configured to receive first indication information sent by the originating device, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the originating device.

Optionally, the processing module is further configured to determine a second channel interference value corresponding to at least part of the transmission beams one-to-one.

Optionally, the processing module is further configured to determine a receiving beam that corresponds to at least some of the transmit beams one-to-one; A corresponding second channel interference value is determined by using the receiving beams one-to-one corresponding to the at least part of the transmitting beams to perform channel interference measurement respectively.

Optionally, the device further includes:

a receiving module, configured to receive second indication information sent by the transmitting end device, where the second indication information is used to instruct the receiving end device to send a second channel interference value corresponding to at least part of the transmit beams one-to-one to the transmitting end equipment.

Optionally, the processing module is further configured to determine the at least part of the transmission beam according to a protocol agreement.

According to a fifth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is configured to execute the channel access method according to any one of the foregoing first aspects.

According to a sixth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is configured to execute the channel access method according to any one of the foregoing second aspects.

According to a seventh aspect of the embodiments of the present disclosure, there is provided a communication device, comprising:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured to execute the channel access method described in any one of the first aspect above.

According to an eighth aspect of the embodiments of the present disclosure, there is provided a communication device, comprising:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured to execute the channel access method according to any one of the second aspect above.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

In this embodiment of the present disclosure, the originating device may determine the first channel interference value and access the second channel interference value sent by the receiving end device, where the first channel interference value is determined by the originating device according to channel interference measurement, and the second channel interference value is determined by the originating device according to channel interference measurement. The interference value is determined by the receiving end device according to the channel interference measurement. The transmitting end device can determine whether to access the channel according to the first channel interference value and the second channel interference value, so that the receiving end device assists the transmitting end device in accessing the channel, and the resource overhead is small and the difficulty of channel access is low.

It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.

FIG. 1 is a schematic flowchart of a channel access method according to an exemplary embodiment.

Fig. 2 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 3 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 4 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 5 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 6 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 7 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 8 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 9 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 10 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 11 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 12 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 13 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 14 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 15 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 16 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 17 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 18 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 19 is a schematic flowchart of another channel access method according to an exemplary embodiment.

Fig. 20 is a block diagram of a channel access apparatus according to an exemplary embodiment.

Fig. 21 is a block diagram of another channel access apparatus according to an exemplary embodiment.

FIG. 22 is a schematic structural diagram of a communication device according to an exemplary embodiment of the present disclosure.

FIG. 23 is a schematic structural diagram of another communication device according to an exemplary embodiment of the present disclosure.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numerals in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with some aspects of the invention as recited in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. Depending on the context, the word "if" as used herein can be interpreted as "at the time of" or "when" or "in response to determining."

In the channel access solution provided by the present disclosure, the involved originating device may be a base station, and correspondingly, the receiving end device may be a terminal. Alternatively, the originating device may be a terminal, and correspondingly, the terminating device may be a base station.

The channel access solution provided by the embodiments of the present disclosure will be introduced first from the side of the originating device. In the following embodiments, the originating device is a base station.

An embodiment of the present disclosure provides a channel access method, which can be used for a base station. Referring to FIG. 1 , FIG. 1 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 101, a first channel interference value is determined.

In this embodiment of the present disclosure, the first channel interference value is determined by the base station serving as the originating device according to channel interference measurement. When there is data to be sent to the terminal, the base station may perform channel interference measurement under NR-U, that is, perform LBT, so as to determine the first channel interference value.

In step 102, the second channel interference value sent by the terminal is received.

In this embodiment of the present disclosure, the second channel interference value is determined by the terminal serving as the receiving end device according to channel interference measurement.

In step 103, it is determined whether to access the channel according to the first channel interference value and the second channel interference value.

In the embodiment of the present disclosure, the base station may jointly determine whether to access the channel according to the first channel interference value determined by itself and the second channel interference value reported by the terminal.

In the above embodiment, the base station, as the transmitting device, can determine whether to access the channel according to the first channel interference value determined by performing the channel interference measurement and the second channel interference value sent by the terminal serving as the receiving device, thereby realizing the receiving device. The purpose of assisting the originating device to access the channel, the resource overhead is small, and the difficulty of channel access is low.

In some optional embodiments, referring to FIG. 2, FIG. 2 is a flow chart of a channel access method according to an embodiment. The method can be used in a base station and includes the following steps:

In step 201, a first channel interference value is determined.

In the embodiment of the present disclosure, when there is data to be sent to the terminal, the base station may perform channel interference measurement under NR-U, that is, perform LBT, so as to determine the first channel interference value.

In step 202, the second channel interference value sent by the terminal is received.

In step 203, when the first channel interference value is less than or equal to a first preset threshold value, and the second channel interference value is less than or equal to a second preset threshold value, determine an access channel .

In this embodiment of the present disclosure, the base station may determine that the channel can be accessed when the interference value of the first channel is small and the interference value of the second channel sent by the terminal is also small. The first preset threshold value and the second preset threshold value may be the same or different, which is not limited in the present disclosure.

In the above embodiment, the base station can access the channel when the interference value of the first channel is small and the interference value of the second channel is also small, thus realizing the purpose of assisting the transmitting end device to access the channel by the receiving end device.

In a possible example of the present disclosure, the base station does not access the channel when the first channel interference value is greater than a first preset threshold value.

In this embodiment of the present disclosure, the base station may not access the channel when the LBT determines that the interference value of the first channel is relatively large.

In another possible example, the base station does not access the channel when the second channel interference value is greater than a second preset threshold value.

In the embodiment of the present disclosure, the base station may not access the channel when the interference value of the second channel reported by the terminal is relatively large.

In the above-mentioned embodiment, the base station may not access the channel when the interference value of the first channel determined by the LBT itself is relatively large, or the interference value of the second channel determined by the LBT by the terminal is relatively large. The purpose of the device assisting the originating device to access the channel.

In some optional embodiments, referring to FIG. 3 , FIG. 3 is a flowchart of a channel access method according to an embodiment. The method can be used in a base station, and includes the following steps:

In step 301, a first channel interference value is determined.

In step 302, the second channel interference value sent by the terminal is received.

In this embodiment of the present disclosure, the second channel interference value is determined by the terminal performing channel interference measurement.

In step 303, in the case of being within the valid time period corresponding to the second channel interference value, it is determined whether to access the channel according to the first channel interference value and the second channel interference value.

In the embodiment of the present disclosure, the base station may determine the first channel interference according to the self-determined first channel interference value when it is within the valid time period corresponding to the second channel interference value sent by the terminal, that is, when the second channel interference value sent by the terminal is valid. value and the second channel interference value reported by the terminal to determine whether to access the channel.

In a possible example, the base station may allow the terminal to send a valid second channel interference value again when it is determined that the second channel interference value is invalid.

In the above embodiment, the base station, as the originating device, can determine whether to access the channel based on the first channel interference value determined by itself and the second channel interference value sent by the terminal when the second channel interference value sent by the terminal is valid, While realizing the purpose of assisting the transmitting end device to access the channel by the receiving end device, the reliability of the channel access is ensured.

In a possible example of the present disclosure, the base station may receive an indication message, where the indication message is used to indicate the valid duration of the second channel interference value sent by the terminal, where the indication message is sent by the terminal to the base station.

In another possible example, the base station may determine, based on a protocol agreement, an effective duration corresponding to the second channel interference value sent by the terminal.

In another possible example, the base station may determine the effective duration corresponding to the second channel interference value based on the preset period corresponding to the second channel interference value. That is, the base station may consider that the second channel interference value sent by the terminal is always valid before the next preset period is reached.

In the foregoing embodiment, the base station may determine the valid duration corresponding to the second channel interference value sent by the terminal in different ways, so as to ensure the reliability of channel access.

In some optional embodiments, referring to FIG. 4 , FIG. 4 is a flowchart of a channel access method according to an embodiment. The method can be used in a base station, and includes the following steps:

In step 401, first indication information is sent.

In this embodiment of the present disclosure, the base station may send first indication information to the terminal, where the first indication information is used to instruct the terminal to send the second channel interference value to the base station.

In a possible example, the base station may send the first indication information to the terminal by using, but not limited to, DCI (Downlink Control Information, downlink control information).

In a possible example, the base station may send the first indication information to the terminal by using, but not limited to, high-layer signaling, and the high-layer signaling includes but is not limited to RRC signaling.

In step 402, the second channel interference value sent by the terminal based on the first indication information is received.

In the embodiment of the present disclosure, after receiving the first indication information, the terminal does not need to perform channel interference measurement immediately, but can perform channel interference measurement at intervals of a specified number of slots, and send the determined second channel interference value to the base station.

In step 403, a first channel interference value is determined.

In this embodiment of the present disclosure, the execution order of (steps 401 to 402 ) and step 403 is not limited. That is, the base station may first determine the first channel interference value, then send the first indication information to the terminal, and wait for the terminal to send the second channel interference value to the base station. Or, the base station first sends the first indication information to the terminal, and after receiving the second channel interference value sent by the terminal, performs channel interference measurement to determine the first channel interference value.

Alternatively, if the second channel interference value sent by the terminal received by the base station is still within the validity period, the base station does not need to send the first indication information to the terminal, and the base station can directly perform channel interference measurement to determine the first channel interference value.

In step 404, it is determined whether to access the channel according to the first channel interference value and the second channel interference value.

In the above embodiment, the base station can instruct the terminal to send the second channel interference value aperiodically through the first indication information, so as to realize the purpose of assisting the transmitting end device to access the channel by the receiving end device, and the resource overhead is small, and the channel access Difficulty is low.

In some optional embodiments, as the originating device, the base station may configure a preset period for the terminal, and the terminal periodically sends the second channel interference value to the base station based on the preset period. The second channel interference value is determined by the terminal according to channel interference measurement.

In one example, the base station may send the preset period configured for the terminal to the terminal through DCI or high-layer signaling, where the high-layer signaling includes but is not limited to RRC signaling.

In the above embodiment, the base station may configure a preset period for the terminal to periodically send the second channel interference measurement value, so as to be based on the second channel interference measurement value periodically sent by the terminal serving as the receiving end device and the first channel interference determined by itself. The measured value is used to jointly determine whether to access the channel, and the availability is high.

In some optional embodiments, referring to FIG. 5 , FIG. 5 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 501, the second indication information is sent to the terminal.

In this embodiment of the present disclosure, the second indication information is used to instruct the terminal to send the second channel interference value corresponding to at least part of the transmission beams to the base station. The transmission beam includes the beam used by the base station to transmit data to the terminal. The base station may send the second indication information to the terminal through but not limited to DCI or higher layer signaling, where the higher layer signaling includes but is not limited to RRC signaling.

In step 502, the second channel interference value sent by the terminal in one-to-one correspondence with the at least part of the transmission beams sent by the terminal according to the second indication information is received.

In this embodiment of the present disclosure, the terminal may determine, according to the second indication information of the base station, receive beams that correspond one-to-one with the transmit beams of the indicated part, and the receive beams include beams used by the terminal to receive data. The terminal may use each receiving beam to measure the channel interference respectively, and use the obtained channel interference value as the second channel interference value corresponding to the corresponding transmitting beam. Further, the terminal sends the second channel interference value corresponding to the at least part of the transmission beams one-to-one to the base station.

In step 503, a target channel interference value corresponding to a target transmission beam is determined among the second channel interference values corresponding to the at least part of the transmission beams one-to-one.

In the embodiment of the present disclosure, the target transmit beam is the transmit beam used by the base station to access the channel for data transmission.

In step 504, a first channel interference value is determined.

In this embodiment of the present disclosure, the base station may perform channel interference measurement to determine the first channel interference value.

The present disclosure does not limit the execution order of (step 501 to step 503 ) and step 504 . The base station may first determine the first channel interference value, then send second indication information to the terminal, and receive the second channel interference value sent by the terminal that corresponds to the at least part of the transmission beams one-to-one, thereby determining the target channel interference value. Alternatively, the base station may first send the second indication information to the terminal, so as to determine the first channel interference value after determining the target channel interference value.

In step 505, according to the first channel interference value and the target channel interference value, it is determined whether to access the channel through the target transmission beam.

In this embodiment of the present disclosure, the base station may use the first channel interference value less than or equal to the first preset threshold value, that is, the first channel interference value is relatively small, and the target channel interference value is less than or equal to the second preset threshold value , that is, when the interference value of the target channel is also small, the channel is accessed through the target transmission beam.

In another possible example, the base station may not access the channel through the target transmission beam when the interference value of the first channel is relatively large.

In another possible example, the base station may not access the channel through the target transmission beam when the interference value of the target channel is relatively large.

In the above-mentioned embodiment, the base station can jointly determine whether to access the channel according to the second channel interference value sent by the terminal that corresponds to at least part of the transmission beams one-to-one, and the first channel interference value determined by the base station, thereby realizing the receiving end device. The purpose of assisting the originating device to access the channel is further improved, and the reliability of channel access is further improved.

The following introduces the channel access solution provided by the embodiments of the present disclosure from the side of the receiving end device. In the following embodiments, the receiving end device is a terminal.

An embodiment of the present disclosure provides a channel access method, which can be used for a terminal. Referring to FIG. 6 , FIG. 6 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 601, a second channel interference value is determined.

In step 602, the second channel interference value is sent to the base station.

In the above-mentioned embodiment, as the receiving end device, the terminal can send the second channel interference value determined by itself to the base station serving as the sending end device, assisting the base station to access the channel, and has high availability.

In some optional embodiments, referring to FIG. 7 , FIG. 7 is a flowchart of a channel access method according to an embodiment. The method can be used in a terminal, and includes the following steps:

In step 701, a second channel interference value is determined.

In this embodiment of the present disclosure, the terminal may periodically perform channel interference measurement at a preset period agreed upon in the protocol or a preset period configured by the base station, so as to determine the second channel interference value.

In step 702, according to a preset period, the second channel interference value is sent to the base station.

In the above embodiment, the terminal can periodically send the second channel interference value to the base station, thereby assisting the base station to access the channel, and realizing the purpose of assisting the transmitting end device to access the channel by the receiving end device.

In some optional embodiments, referring to FIG. 8 , FIG. 8 is a flowchart of a channel access method according to an embodiment. The method can be used in a terminal, and includes the following steps:

In step 801, the first indication information sent by the base station is received.

In this embodiment of the present disclosure, the base station may send the first indication information to the terminal through DCI, and instruct the terminal to send the second channel interference value to the base station. Alternatively, the base station may send the first indication information to the terminal through high-layer signaling, and the high-layer signaling may include, but is not limited to, RRC signaling.

In step 802, a second channel interference value is determined based on the first indication information.

In the embodiment of the present disclosure, the terminal does not need to perform channel interference measurement immediately after receiving the first indication information, and can perform channel interference measurement at intervals of a specified number of slots, thereby determining the geothermal channel interference value.

In step 803, the second channel interference value is sent to the base station.

In the foregoing embodiment, the terminal may aperiodically send the second channel interference value to the base station after determining the second channel interference value based on the first indication information sent by the base station. While realizing the purpose of assisting the transmitting end device to access the channel, the difficulty of assisting the transmitting end device to access the channel is reduced, and the resource overhead is small.

In some optional embodiments, as a receiving end device, the terminal may determine a second channel interference value that corresponds to at least part of the transmission beams one-to-one. Referring to FIG. 9, FIG. 9 is a flow chart of a channel access method according to an embodiment. The method can be used by a terminal to determine and send a second channel interference value corresponding to at least part of the transmission beams one-to-one. The following steps can be included:

In step 901, a one-to-one correspondence to at least part of the transmit beams is determined for receive beams.

In this embodiment of the present disclosure, a receiving beam may refer to a beam used by a terminal when receiving data sent by a base station, and each receiving beam may correspond to a sending beam of the base station.

In step 902, a second channel interference value corresponding to the at least part of the transmit beams one-to-one is determined.

In the embodiment of the present disclosure, the terminal may use different receiving beams to perform channel interference measurement respectively, and use the determined channel interference value as the second channel interference value corresponding to the corresponding transmitting beam.

For example, at least some of the transmit beams include transmit beam 1 and transmit beam 2, transmit beam 1 corresponds to receive beam 1, transmit beam 2 corresponds to receive beam 2, the terminal uses receive beam 1 to perform channel interference measurement, and determines the second beam corresponding to transmit beam 1. For the channel interference value, the terminal then uses the receiving beam 2 to measure the channel interference to determine the second channel interference value corresponding to the transmitting beam 2 .

In step 903, a second channel interference value corresponding to the at least part of the transmission beams one-to-one is sent to the base station.

In the above embodiment, the terminal can determine the second channel interference value corresponding to at least part of the transmission beams one-to-one, and send it to the base station, so as to assist the base station to better perform channel access and improve the reliability of channel access.

In some optional embodiments, referring to FIG. 10, FIG. 10 is a flow chart of a channel access method according to an embodiment. The method can be used for a terminal, and includes the following steps:

In step 1001, the second indication information sent by the base station is received.

In this embodiment of the present disclosure, the second indication information is used to instruct the terminal to send the second channel interference value that corresponds to at least part of the transmission beams to the base station.

In step 1002, a one-to-one correspondence to at least a portion of the transmit beams is determined for receive beams.

In this embodiment of the present disclosure, the terminal may first determine receive beams that correspond to at least some of the transmit beams one-to-one, where receive beams refer to beams used by the terminal to receive data sent by the base station, and each receive beam may correspond to one transmit beam of the base station. beam.

In step 1003, a second channel interference value corresponding to the at least part of the transmit beams one-to-one is determined.

After determining the receiving beam, the terminal may use different receiving beams to measure the channel interference respectively, and use the determined channel interference value as the second channel interference value corresponding to the corresponding transmitting beam.

In step 1004, a second channel interference value corresponding to the at least part of the transmission beams one-to-one is sent to the base station.

In the foregoing embodiment, the terminal may determine at least part of the transmit beams according to the second indication information sent by the base station, and then determine the corresponding receive beams. Therefore, the second channel interference value corresponding to the at least part of the transmission beams one-to-one can be sent to the base station, which assists the base station to better perform channel access and improves the reliability of channel access.

In some optional embodiments, referring to FIG. 11 , FIG. 11 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 1101, the at least part of the transmission beam is determined according to a protocol agreement.

In step 1102, a one-to-one correspondence to at least some of the transmit beams is determined for receive beams.

In step 1103, a second channel interference value corresponding to the at least part of the transmit beams one-to-one is determined.

In step 1104, a second channel interference value corresponding to the at least part of the transmission beams one-to-one is sent to the base station.

In the foregoing embodiment, the terminal may determine at least part of the transmit beams according to the agreement, and then determine the receive beams that correspond one-to-one with at least some of the transmit beams. Therefore, the second channel interference value corresponding to the at least part of the transmission beams one-to-one can be sent to the base station, which assists the base station to better perform channel access and improves the reliability of channel access.

In some optional embodiments, referring to FIG. 12, FIG. 12 is a flow chart of a channel access method according to an embodiment. The method provides a connection between a base station serving as a sending device and a terminal serving as a receiving device. The interactive process includes the following steps:

In step 1201, the base station determines a first channel interference value.

In the embodiment of the present disclosure, the base station may perform LBT to determine the first channel interference value when there is data to be sent to the terminal.

In step 1202, the base station sends first indication information to the terminal.

In this embodiment of the present disclosure, the base station may send the first indication information to the terminal through DCI, where the first indication information is used to instruct the terminal to send the second channel interference value to the base station.

In step 1203, the terminal determines a second channel interference value based on the first indication information.

In this embodiment of the present disclosure, after receiving the first indication information, the terminal may perform channel interference measurement at intervals of a specified number of slots, thereby determining the second channel interference value.

In step 1204, the terminal sends the second channel interference value to the base station.

In step 1205, the base station determines whether to access the channel according to the first channel interference value and the second channel interference value.

In a possible example, the base station determines the access when the first channel interference value is less than or equal to the first preset threshold value, and the second channel interference value is less than or equal to the second preset threshold value channel.

In a possible example, the base station does not access the channel when the first channel interference value is greater than the first preset threshold.

In another possible example, the base station does not access the channel when the second channel interference value is greater than the second preset threshold.

In the above embodiment, the base station acts as the originating device and the terminal acts as the receiving end device, and the base station can jointly determine whether to access the channel based on the first channel interference value determined by itself and the second channel interference value sent by the terminal. The purpose of assisting the transmitting end device to access the channel is realized, the resource overhead is small, and the difficulty of channel access is low.

Next, the channel access solution provided by the embodiments of the present disclosure will be introduced from the side of the originating device. In the following embodiments, the originating device is a terminal.

An embodiment of the present disclosure provides a channel access method, which can be used for a terminal. Referring to FIG. 13 , FIG. 13 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 1301, a first channel interference value is determined.

In the embodiment of the present disclosure, when the terminal has data to send to the base station, the base station may first perform channel interference measurement, that is, the base station performs LBT, and when the base station determines that the channel interference is small, the base station sends a data transmission instruction to The terminal, the data transmission instruction is used to instruct the terminal to send data after one or more slots.

Before sending data, the terminal also needs to perform channel interference measurement, that is, LBT, to determine the first channel interference value.

In another possible example, the terminal may directly perform channel interference measurement, that is, LBT, in a specified scenario without waiting for an instruction from the base station, and send data based on the LBT result when there is data to be sent. The specified scene includes but is not limited to a WIFI (Wireless Fidelity, wireless fidelity) scene.

In this embodiment of the present disclosure, the first channel interference value is determined by a terminal serving as a sending device according to channel interference measurement.

In step 1302, the second channel interference value sent by the base station is received.

In the embodiment of the present disclosure, the second channel interference value is determined by the base station serving as the receiving end device according to the channel interference measurement.

In step 1303, it is determined whether to access the channel according to the first channel interference value and the second channel interference value.

In the embodiment of the present disclosure, the terminal may jointly decide whether to access the channel according to the first channel interference value determined by itself and the second channel interference value sent by the base station.

In the above-mentioned embodiment, the terminal as the transmitting end device can determine whether to access the channel according to the first channel interference value determined by performing the channel interference measurement and the second channel interference value sent by the base station as the receiving end device. The purpose of assisting the originating device to access the channel, the resource overhead is small, and the difficulty of channel access is low.

In a possible example of the present disclosure, the terminal may be in the case that the first channel interference value is less than or equal to the first preset threshold value, and the second channel interference value sent by the base station is less than or equal to the second preset threshold value to determine the access channel.

In a possible example of the present disclosure, the terminal may not access the channel when the first channel interference value is greater than the first preset threshold value.

In a possible example of the present disclosure, the terminal does not access the channel when the interference value of the second channel is greater than a second preset threshold value.

In the above embodiment, the purpose of the base station serving as the receiving end device assisting the terminal serving as the sending end device to access the channel is achieved.

In some optional embodiments, referring to FIG. 14, FIG. 14 is a flowchart of a channel access method according to an embodiment. The method can be used in a terminal, and includes the following steps:

In step 1401, a first channel interference value is determined.

The first channel interference value is determined by the terminal serving as the originating device according to channel interference measurement.

In step 1402, the second channel interference value sent by the base station is received.

The second channel interference value is determined by the base station serving as the receiving end device according to the channel interference measurement.

In step 1403, an indication message sent by the base station is received.

In this embodiment of the present disclosure, the indication message may be used to indicate the valid duration corresponding to the interference value of the second channel. The base station may send the indication message to the terminal through high-level signaling, and the high-level signaling includes but is not limited to RRC (Radio Resource Control, radio resource control) signaling.

In step 1404, in the case of being within the valid time period corresponding to the second channel interference value, it is determined whether to access the channel according to the first channel interference value and the second channel interference value.

In the embodiment of the present disclosure, the terminal may determine the first channel interference according to the first channel interference value determined by itself when the terminal is within the valid time period corresponding to the second channel interference value sent by the base station, that is, when the second channel interference value sent by the base station is valid. value and the second channel interference value sent by the base station to determine whether to access the channel.

In a possible example, the terminal may ask the base station to send a valid second channel interference value again when it is determined that the second channel interference value is invalid.

In the above embodiment, the terminal, as the originating device, can determine whether to access the channel based on the first channel interference value determined by itself and the second channel interference value sent by the base station when the second channel interference value sent by the base station is valid, While realizing the purpose of assisting the transmitting end device to access the channel by the receiving end device, the reliability of the channel access is ensured.

In some optional embodiments, the terminal may determine the valid duration corresponding to the second channel interference value according to the agreement, or may determine the valid duration according to the configuration of the base station. And within the effective time period corresponding to the second channel interference value, it is determined whether to access the channel according to the first channel interference value determined by itself and the second channel interference value sent by the base station. Wherein, the base station may send the valid duration to the terminal through but not limited to DCI or high-layer signaling, and high-layer signaling includes but is not limited to RRC signaling.

In some optional embodiments, the terminal may determine the effective duration according to the preset period corresponding to the second channel interference value. That is, the terminal may consider that the second channel interference value sent by the base station is always valid before the next preset period is reached.

In the foregoing embodiment, the terminal may determine the valid duration corresponding to the second channel interference value sent by the base station in different ways, so as to ensure the reliability of channel access.

In some optional embodiments, referring to FIG. 15 , FIG. 15 is a flowchart of a channel access method according to an embodiment. The method can be used for a terminal, and includes the following steps:

In step 1501, first indication information is sent.

In this embodiment of the present disclosure, the terminal may send first indication information to the base station, where the first indication information is used to instruct the base station to send the second channel interference value to the terminal. In a possible example, the first indication information includes, but is not limited to, an uplink physical layer control instruction.

In step 1502, the second channel interference value sent by the base station based on the first indication information is received.

In step 1503, a first channel interference value is determined.

In this embodiment of the present disclosure, the execution order of (steps 1501 to 1502) and step 1503 is not limited. The first channel interference value is determined by the terminal according to channel interference measurement.

In step 1504, it is determined whether to access the channel according to the first channel interference value and the second channel interference value.

In the above embodiment, the terminal instructs the base station to send the second channel interference value aperiodically through the first indication information, so as to realize the purpose of assisting the transmitting end device to access the channel by the receiving end device, and the resource overhead is small and the channel access is difficult. lower.

In some optional embodiments, the base station may determine a preset period for sending the second channel interference value according to a protocol agreement, or the preset period is directly determined by the base station, and after the base station determines, it may be sent to the base station through, but not limited to, DCI or high-level signaling terminal, so that the base station periodically sends the second channel interference value to the terminal, and the terminal receives it according to a preset period.

In the above embodiment, in the case where the terminal is used as the originating device and the base station is used as the receiving end device, the base station may periodically send the second channel interference value to the terminal, so that the terminal can subsequently send the second channel interference value periodically according to the first channel interference value and the second channel interference value periodically sent by the base station. The channel interference value is used to jointly determine whether to access the channel, and the availability is high.

In some optional embodiments, referring to FIG. 16, FIG. 16 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 1601, second indication information is sent.

In this embodiment of the present disclosure, the second indication information is used to instruct the base station to send the second channel interference value corresponding to at least part of the transmission beams to the terminal. Wherein, the transmission beam includes the beam used by the terminal to transmit data to the base station.

In step 1602, the second channel interference value sent by the base station according to the second indication information and corresponding to the at least part of the transmission beams one-to-one is received.

In this embodiment of the present disclosure, the base station may determine, according to the second indication information, receive beams that correspond one-to-one with the indicated portion of the transmit beams, and the receive beams include beams used by the base station to receive data. The base station may use each receiving beam to measure the channel interference respectively, and use the obtained channel interference value as the second channel interference value corresponding to the corresponding transmitting beam. Further, the second channel interference value corresponding to the at least part of the transmission beams one-to-one is sent to the terminal.

In step 1603, among the second channel interference values corresponding to the at least part of the transmit beams one-to-one, a target channel interference value corresponding to the target transmit beam is determined.

In the embodiment of the present disclosure, the target transmit beam is the transmit beam used by the terminal when the terminal accesses the channel for data transmission.

In step 1604, a first channel interference value is determined.

The terminal may perform channel interference measurement to determine the first channel interference value.

In step 1605, according to the first channel interference value and the target channel interference value, it is determined whether to access the channel through the target transmission beam.

In the embodiment of the present disclosure, the terminal may access the channel through the target transmission beam when the interference value of the first channel is small and the interference value of the target channel is also small.

In another possible example, the terminal may not access the channel through the target transmission beam when the interference value of the first channel is relatively large.

In another possible example, the terminal may not access the channel through the target transmission beam when the interference value of the target channel is relatively large.

In the above embodiment, the terminal can jointly determine whether to access the channel according to the second channel interference value sent by the base station that corresponds to at least part of the transmission beams one-to-one, and the first channel interference value determined by the terminal, thereby realizing the receiving end device. The purpose of assisting the originating device to access the channel is further improved, and the reliability of channel access is further improved.

Next, the channel access solution provided by the embodiments of the present disclosure will be introduced from the side of the receiving end device. In the following embodiments, the receiving end device is a base station.

An embodiment of the present disclosure provides a channel access method, which can be used in a base station. Referring to FIG. 17 , FIG. 17 is a flowchart of a channel access method according to an embodiment, and the method may include the following steps:

In step 1701, a second channel interference value is determined.

In this embodiment of the present disclosure, the base station may perform channel interference measurement to determine the second channel interference value.

In step 1702, the second channel interference value is sent to the terminal.

In the above embodiment, the base station, as the receiving end device, can send the second channel interference value determined by itself to the terminal serving as the sending end device, so as to assist the terminal to access the channel, and the availability is high.

In some optional embodiments, the base station may periodically measure the channel interference according to a preset period agreed upon in the protocol, and send the determined second channel interference value to the terminal, so as to periodically send the second channel interference value to the terminal. the purpose of the terminal.

In some optional embodiments, the base station may perform channel interference measurement after a specified number of slots according to the first indication information sent by the terminal, determine the second channel interference value, and further send the second channel interference value to the terminal.

In the above embodiment, the base station can aperiodically send the second channel interference value to the terminal based on the first indication information to assist the terminal to access the channel, which is easy to implement and has high usability.

In some optional embodiments, as a receiving end device, the base station may determine a second channel interference value that corresponds to at least part of the transmission beams one-to-one. Referring to FIG. 18 , FIG. 18 shows a channel connection according to an embodiment. The flow chart of the method is shown in the figure. The process of determining and transmitting the second channel interference value corresponding to at least part of the transmission beams one-to-one by the base station includes the following steps:

In step 1801, a one-to-one correspondence to at least part of the transmit beams is determined for receive beams.

In the embodiment of the present disclosure, the base station may first determine the receive beams that correspond to at least some of the transmit beams one-to-one, where the receive beam refers to the beam used by the base station as the receiving end device to receive data, and each receive beam may correspond to the terminal sending data one transmit beam to use.

In step 1802, a second channel interference value corresponding to the at least part of the transmit beams one-to-one is determined.

After determining the receiving beam, the base station may use different receiving beams to measure the channel interference respectively, and use the determined channel interference value as the second channel interference value corresponding to the corresponding transmitting beam.

In step 1803, a second channel interference value corresponding to the at least part of the transmission beams one-to-one is sent to the terminal.

In the above embodiment, the base station can determine the second channel interference value corresponding to at least part of the transmission beams one-to-one, and send it to the terminal to assist the terminal serving as the originating device to better perform channel access and improve the reliability of channel access. .

In some optional embodiments, the base station may determine at least part of the transmit beams according to the second indication information sent by the terminal, so as to determine the receive beams corresponding to the indicated part of the transmit beams one-to-one, and may use different receive beams to perform channel interference measurement respectively, The determined channel interference value is used as the second channel interference value corresponding to the corresponding transmit beam. Then, it is sent to the terminal to assist the terminal to access the channel.

In some optional embodiments, the base station can determine at least part of the transmit beams according to the agreement, so as to determine the receive beams corresponding to the indicated part of the transmit beams one-to-one, and can use different receive beams to perform channel interference measurement respectively, and the determined channel interference value as the second channel interference value corresponding to the corresponding transmit beam. Then, it is sent to the terminal to assist the terminal to access the channel.

In some optional embodiments, referring to FIG. 19 , FIG. 19 is a flowchart of a channel access method according to an embodiment. The method provides a connection between a terminal serving as a sending device and a base station serving as a receiving device. The interactive process includes the following steps:

In step 1901, the terminal determines a first channel interference value.

In this embodiment of the present disclosure, the terminal may perform channel interference detection before data transmission based on an instruction sent by the base station, or the terminal may directly perform channel interference detection in a specified scenario, thereby determining the first channel interference value.

In step 1902, the terminal sends first indication information to the base station.

In this embodiment of the present disclosure, the terminal may send the first indication information to the terminal through an uplink physical layer instruction, where the first indication information is used to instruct the base station to send the second channel interference value to the terminal.

In step 1903, the base station determines a second channel interference value based on the first indication information.

In step 1904, the base station sends the second channel interference value to the terminal.

In step 1905, the terminal determines whether to access the channel according to the first channel interference value and the second channel interference value.

In the above embodiment, the terminal acts as the originating device and the base station acts as the receiving device, and the terminal can jointly determine whether to access the channel based on the first channel interference value determined by itself and the second channel interference value sent by the base station. The purpose of assisting the transmitting end device to access the channel is realized, the resource overhead is small, and the difficulty of channel access is low.

Corresponding to the foregoing application function implementation method embodiments, the present disclosure further provides an application function implementation device embodiment.

Referring to FIG. 20, FIG. 20 is a block diagram of a channel access apparatus according to an exemplary embodiment. The apparatus is used for a sending device, including:

A processing module 2001, configured to determine a first channel interference value, where the first channel interference value is determined by the originating device according to channel interference measurement;

A receiving module 2002, configured to receive a second channel interference value sent by a receiving end device, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

The processing module 2001 is further configured to determine whether to access the channel according to the first channel interference value and the second channel interference value.

Optionally, the processing module 2001 is further configured to: when the first channel interference value is less than or equal to the first preset threshold value, and the second channel interference value is less than or equal to the second preset threshold value. In this case, determine the access channel.

Optionally, the processing module 2001 is further configured to not access the channel when the first channel interference value is greater than a first preset threshold; or

The processing module 2001 is further configured to not access the channel when the interference value of the second channel is greater than a second preset threshold value.

Optionally, the processing module 2001 is further configured to determine, according to the first channel interference value and the second channel interference value, whether to connect or not in the case of being within the valid duration corresponding to the second channel interference value. into the channel.

Optionally, the receiving module 2002 is further configured to receive an indication message, where the indication message is used to indicate the valid duration; or

The processing module 2001 is further configured to determine the effective duration based on the agreement; or

The processing module 2001 is further configured to determine the effective duration based on a preset period corresponding to the second channel interference value.

Optionally, the apparatus further includes (not shown in FIG. 20 ):

The sending module 2003 is configured to send first indication information, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the sending end device.

Optionally, the apparatus further includes (not shown in FIG. 20 ):

The sending module 2003 is configured to send second indication information, where the second indication information is used to instruct the receiving end device to send the second channel interference value corresponding to at least part of the transmission beams one-to-one to the sending end device.

Optionally, the processing module 2001 is further configured to determine a target channel interference value corresponding to the target transmission beam among the second channel interference values corresponding to the at least part of the transmission beams one-to-one; The channel interference value and the target channel interference value determine whether to access the channel through the target transmission beam.

Referring to FIG. 21, FIG. 21 is a block diagram of a channel access apparatus according to an exemplary embodiment. The apparatus is used for a receiving end device, including:

A processing module 2101, configured to determine a second channel interference value, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

The sending module 2102 is configured to send the second channel interference value to the originating device.

Optionally, the sending module 2102 is further configured to send the second channel interference value to the originating device according to a preset period.

Optionally, the apparatus further includes (not shown in FIG. 21 ):

The receiving module 2103 is configured to receive first indication information sent by the originating device, where the first indication information is used to instruct the receiving device to send the second channel interference value to the originating device.

Optionally, the processing module 2101 is further configured to determine a second channel interference value corresponding to at least part of the transmission beams one-to-one.

Optionally, the processing module 2101 is further configured to determine a receiving beam that corresponds to at least some of the transmit beams one-to-one; The one-to-one correspondence to the second channel interference value is determined by using the receive beams corresponding to the at least part of the transmit beams to perform channel interference measurements respectively.

For the apparatus embodiments, since they basically correspond to the method embodiments, reference may be made to the partial descriptions of the method embodiments for related parts. The device embodiments described above are only schematic, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in a local, or it can be distributed over multiple network elements. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of the present disclosure. Those of ordinary skill in the art can understand and implement it without creative effort.

Correspondingly, the present disclosure also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to execute any one of the channel access methods described above for the originating device side.

Correspondingly, the present disclosure also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to execute any one of the channel access methods described above for the receiving end device side.

Correspondingly, the present disclosure also provides a channel access device, including:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured to execute any one of the channel access methods described above on the originating device side.

As shown in FIG. 22, FIG. 22 is a schematic structural diagram of a communication apparatus 2200 according to an exemplary embodiment. The apparatus 2200 may be provided as an originating device, which may be a base station. 22, apparatus 2200 includes a processing component 2222, a wireless transmit/receive component 2224, an antenna component 2226, and a signal processing portion specific to a wireless interface, which may further include one or more processors.

One of the processors in the processing component 2222 may be configured to execute any one of the channel access methods described above on the originating device side.

Of course, the originating device may also be a terminal, which is not limited in the present disclosure.

Correspondingly, the present disclosure also provides a communication device, comprising:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured to execute any one of the channel access methods described above at the receiving end device side.

FIG. 23 is a block diagram of an electronic device 2300 according to an exemplary embodiment. The electronic device may be a terminal serving as a receiving device, for example, the electronic device 2300 may be a mobile phone, tablet computer, e-book reader, multimedia playback device, wearable device, vehicle terminal, ipad, smart TV and other terminals.

23, an electronic device 2300 may include one or more of the following components: a processing component 2302, a memory 2304, a power supply component 2306, a multimedia component 2308, an audio component 2310, an input/output (I/O) interface 2312, a sensor component 2316, and channel access component 2318.

The processing component 2302 generally controls the overall operation of the electronic device 2300, such as operations associated with display, phone calls, data channel access, camera operations, and recording operations. The processing component 2302 may include one or more processors 2320 to execute instructions to perform all or part of the steps of the channel access method described above. Additionally, processing component 2302 may include one or more modules that facilitate interaction between processing component 2302 and other components. For example, processing component 2302 may include a multimedia module to facilitate interaction between multimedia component 2308 and processing component 2302. For another example, the processing component 2302 may read executable instructions from the memory to implement the steps of a channel access method provided by the foregoing embodiments.

Memory 2304 is configured to store various types of data to support operation at electronic device 2300 . Examples of such data include instructions for any application or method operating on the electronic device 2300, contact data, phonebook data, messages, pictures, videos, and the like. Memory 2304 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

Power supply component 2306 provides power to various components of electronic device 2300. Power supply components 2306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to electronic device 2300.

Multimedia component 2308 includes a display screen that provides an output interface between the electronic device 2300 and the user. In some embodiments, the multimedia component 2308 includes a front-facing camera and/or a rear-facing camera. When the electronic device 2300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.

Audio component 2310 is configured to output and/or input audio signals. For example, audio component 2310 includes a microphone (MIC) that is configured to receive external audio signals when electronic device 2300 is in operating modes, such as calling mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 2304 or transmitted via channel access component 2318. In some embodiments, audio component 2310 also includes a speaker for outputting audio signals.

The I/O interface 2312 provides an interface between the processing component 2302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.

Sensor assembly 2316 includes one or more sensors for providing status assessments of various aspects of electronic device 2300. For example, the sensor assembly 2316 can detect the open/closed state of the electronic device 2300, the relative positioning of the components, such as the display and keypad of the electronic device 2300, the sensor assembly 2316 can also detect the electronic device 2300 or one of the electronic device 2300 Changes in the position of components, presence or absence of user contact with the electronic device 2300 , orientation or acceleration/deceleration of the electronic device 2300 and changes in the temperature of the electronic device 2300 . Sensor assembly 2316 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 2316 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 2316 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

Channel access component 2318 is configured to facilitate wired or wireless channel access between electronic device 2300 and other devices. The electronic device 2300 may access a wireless network based on a channel access standard, such as Wi-Fi, 2G, 3G, 4G, 5G or 6G, or a combination thereof. In one exemplary embodiment, the channel access component 2318 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the channel access component 2318 also includes a near field channel access (NFC) module to facilitate short range channel access. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, electronic device 2300 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A programmed gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to implement the channel access method described above.

In an exemplary embodiment, a non-transitory machine-readable storage medium including instructions, such as a memory 2304 including instructions, is also provided, and the instructions are executable by the processor 2320 of the electronic device 2300 to complete the wireless charging method described above. For example, the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Of course, the receiving end device may also be a base station, which is not limited in the present disclosure.

Other embodiments of the present disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common general knowledge or techniques in the technical field not disclosed by this disclosure . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

A channel access method, characterized in that the method is used for an originating device, comprising:

determining a first channel interference value, where the first channel interference value is determined by the transmitting device according to channel interference measurement;

receiving a second channel interference value sent by the receiving end device, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

Whether to access the channel is determined according to the first channel interference value and the second channel interference value.
The method according to claim 1, wherein the determining whether to access the channel according to the first channel interference value and the second channel interference value comprises:

When the first channel interference value is less than or equal to a first preset threshold value, and the second channel interference value is less than or equal to a second preset threshold value, determine the access channel.
The method according to claim 1, wherein the determining whether to access the channel according to the first channel interference value and the second channel interference value comprises:

In the case that the first channel interference value is greater than the first preset threshold value, do not access the channel; or

In the case that the second channel interference value is greater than the second preset threshold value, the channel is not accessed.
The method according to claim 1, wherein the determining whether to access the channel according to the first channel interference value and the second channel interference value comprises:

In the case of being within the valid time period corresponding to the second channel interference value, whether to access the channel is determined according to the first channel interference value and the second channel interference value.
The method according to claim 4, wherein the method further comprises:

receiving an indication message, the indication message being used to indicate the validity period; or

Determine the effective duration based on the agreement; or

The valid duration is determined based on a preset period corresponding to the second channel interference value.
The method according to claim 1, wherein the method further comprises:

Send first indication information, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the transmitting end device.
The method according to claim 1, wherein the method further comprises:

Sending second indication information, where the second indication information is used to instruct the receiving end device to send the second channel interference value corresponding to at least part of the transmission beams one-to-one to the transmitting end device.
The method according to claim 7, wherein the determining whether to access the channel according to the first channel interference value and the second channel interference value comprises:

Among the second channel interference values corresponding to the at least part of the transmission beams one-to-one, determining a target channel interference value corresponding to the target transmission beam;

According to the first channel interference value and the target channel interference value, it is determined whether to access the channel through the target transmission beam.
The method according to any one of claims 1-8, wherein the originating device is a network device, or the originating device is a terminal.
A channel access method, characterized in that the method is used for a receiving end device, comprising:

determining a second channel interference value, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

Send the second channel interference value to the originating device.
The method according to claim 10, wherein the sending the second channel interference value to the originating device comprises:

According to a preset period, the second channel interference value is sent to the originating device.
The method of claim 10, wherein the method further comprises:

Receive first indication information sent by the originating device, where the first indication information is used to instruct the destination device to send the second channel interference value to the originating device.
The method according to claim 10, wherein the determining the second channel interference value comprises:

A second channel interference value is determined in a one-to-one correspondence with at least some of the transmit beams.
The method according to claim 13, wherein the determining the second channel interference value corresponding to at least part of the transmission beams one-to-one comprises:

determining a receive beam that corresponds one-to-one with at least part of the transmit beam;

Determining the second channel interference value corresponding to the at least part of the transmission beams one-to-one, the second channel interference value corresponding to the at least part of the transmission beams one-to-one is obtained by using the receiving beams corresponding to the at least part of the transmission beams respectively Determined by performing channel interference measurements.
The method of claim 13, wherein the method further comprises:

Receive second indication information sent by the transmitting end device, where the second indication information is used to instruct the receiving end device to send a second channel interference value corresponding to at least part of the transmission beams to the transmitting end device.
The method of claim 13, wherein the method further comprises:

According to the agreement, the at least part of the transmission beam is determined.
The method according to any one of claims 10-16, wherein the receiving end device is a terminal, or the receiving end device is a base station.
A channel access device, characterized in that the device is used for an originating device, comprising:

a processing module, configured to determine a first channel interference value, where the first channel interference value is determined by the originating device according to channel interference measurement;

a receiving module, configured to receive a second channel interference value sent by the receiving end device, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

The processing module is further configured to determine whether to access the channel according to the first channel interference value and the second channel interference value.
The device according to claim 18, wherein the processing module is further configured to: when the first channel interference value is less than or equal to a first preset threshold, and the second channel interference value is less than or equal to In the case of the second preset threshold value, the access channel is determined.
The apparatus according to claim 18, wherein the processing module is further configured to not access the channel when the first channel interference value is greater than a first preset threshold value; or

The processing module is further configured to not access the channel when the interference value of the second channel is greater than a second preset threshold value.
The device according to claim 18, wherein the processing module is further configured to, in the case of being within a valid time period corresponding to the second channel interference value, according to the first channel interference value and the first channel interference value The second channel interference value determines whether to access the channel.
The apparatus according to claim 21, wherein the receiving module is further configured to receive an indication message, wherein the indication message is used to indicate the valid duration; or

The processing module is further configured to determine the valid duration based on the agreement; or

The processing module is further configured to determine the effective duration based on a preset period corresponding to the second channel interference value.
The apparatus of claim 18, wherein the apparatus further comprises:

A sending module, configured to send first indication information, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the sending end device.
The apparatus of claim 18, wherein the apparatus further comprises:

A sending module, configured to send second indication information, where the second indication information is used to instruct the receiving end device to send the second channel interference value corresponding to at least part of the transmit beams one-to-one to the sending end device.
The apparatus according to claim 24, wherein the processing module is further configured to determine the target channel corresponding to the target transmission beam in the second channel interference value corresponding to the at least part of the transmission beams one-to-one interference value; according to the first channel interference value and the target channel interference value, determine whether to access the channel through the target transmission beam.
The apparatus according to any one of claims 18-25, wherein the originating device is a network device, or the originating device is a terminal.
A channel access device, characterized in that the device is used for receiving end equipment, comprising:

a processing module, configured to determine a second channel interference value, where the second channel interference value is determined by the receiving end device according to channel interference measurement;

A sending module, configured to send the second channel interference value to the originating device.
The apparatus according to claim 27, wherein the sending module is further configured to send the second channel interference value to the originating device according to a preset period.
The apparatus of claim 27, wherein the apparatus further comprises:

A receiving module, configured to receive first indication information sent by the originating device, where the first indication information is used to instruct the receiving end device to send the second channel interference value to the originating device.
The apparatus according to claim 27, wherein the processing module is further configured to determine a second channel interference value corresponding to at least part of the transmission beams one-to-one.
The apparatus according to claim 30, wherein the processing module is further configured to determine a receive beam that corresponds to at least some of the transmit beams one-to-one; , the second channel interference value corresponding to the at least part of the transmission beams one-to-one is determined by using the reception beams corresponding to the at least part of the transmission beams to perform channel interference measurement respectively.
The apparatus of claim 30, wherein the apparatus further comprises:

a receiving module, configured to receive second indication information sent by the transmitting end device, where the second indication information is used to instruct the receiving end device to send a second channel interference value corresponding to at least part of the transmit beams one-to-one to the transmitting end equipment.
The apparatus according to claim 27, wherein the processing module is further configured to determine the at least part of the transmission beam according to a protocol agreement.
The apparatus according to any one of claims 27-33, wherein the receiving end device is a terminal, or the receiving end device is a base station.
A computer-readable storage medium, characterized in that, the storage medium stores a computer program, and the computer program is used to execute the channel access method according to any one of the preceding claims 1-9.
A computer-readable storage medium, characterized in that, the storage medium stores a computer program, and the computer program is used to execute the channel access method according to any one of the preceding claims 10-17.
A communication device, comprising:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured to execute the channel access method according to any one of the preceding claims 1-9.
A communication device, comprising:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured to execute the channel access method according to any one of the preceding claims 10-17.