Processing method, communication device and storage medium

Abstract

The invention provides a processing method, communication equipment and a storage medium, and the processing method comprises the steps: responding to a preset condition, and accessing a channel according to a preset channel access priority class. Through the above mode, different physical channels can use different channel access priority classes, thereby improving the utilization rate of the unlicensed spectrum.

Description

Processing method, communication device and storage medium Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a processing method, communication equipment and storage medium. Background Art

[0002] In a sidelink-unlicense (SL-U) system, to use an unlicensed frequency band for data transmission and reception, the signal transmitter must comply with the unlicensed frequency band usage rules. For an unlicensed frequency band, as shown in Figure 5, the transmitter must monitor whether the frequency band is occupied (or idle) before transmitting a signal. If the frequency band is not occupied (or idle), the transmitter can transmit the signal.

[0003] Currently, in the sidelink-unlicense (SL-U) system, the inventors have found the following problem: for different physical channels, the same channel access priority category is still used, so that different physical channels use the same channel access parameters to access the unlicensed spectrum, resulting in low utilization of the unlicensed spectrum.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art.

[0005] Application Contents

[0006] In response to the above technical problems, the present application provides a processing method, a communication device and a storage medium, which aim to solve the technical problem that in the SL-U system, the same channel access priority category is used for different physical channels, and different physical channels use the same channel access parameters to access the unlicensed spectrum, resulting in low utilization of the unlicensed spectrum.

[0007] To solve the above technical problems, in the first aspect, the present application provides a processing method that can be applied to a terminal device (such as a mobile phone), comprising:

[0008] Step S10: In response to a preset condition being met, accessing a channel category with a preset channel access priority category.

[0009] Optionally, the satisfying of the preset condition includes at least one of the following:

[0010] The physical channels used for transmission are different;

[0011] The types of services included in the sending channels are different;

[0012] There are different recipients;

[0013] There are different senders;

[0014] Channel priorities are different.

[0015] Optionally, the sent physical channel further includes at least one of the following:

[0016] Sending physical side link control channel;

[0017] Send physical side link data channel;

[0018] Sending physical side link feedback channel;

[0019] Send physical side link synchronization information block.

[0020] Optionally, the type of services included in the sending channel further includes at least one of the following:

[0021] The types of services included in the sending channel include broadcast or multicast;

[0022] The types of services included in the sending channel include unicast;

[0023] The types of services included in the transmission channel include unicast, broadcast and multicast.

[0024] Optionally, the method for determining the preset channel access priority category includes at least one of the following:

[0025] Determining the channel access priority category according to the type of service included in the sending channel;

[0026] Determining the channel access priority category according to downlink control information or the type of the transmission channel;

[0027] Determining the channel access priority category according to the logical channel corresponding to the physical side link data channel;

[0028] Determining the channel access priority category according to a receiver identifier of the physical side link data channel;

[0029] Determining the channel access priority category according to a sender identifier of a physical side link data channel;

[0030] Determining the channel access priority category jointly according to a receiver identifier and a sender identifier of a physical side link data channel;

[0031] Determining the channel access priority category according to the number of receivers;

[0032] Determining the channel access priority category based on a per-packet priority PPPP of near field communication;

[0033] Determine the channel access priority category based on the PC5 5G QoS identifier value.

[0034] Optionally, the method further comprises at least one of the following:

[0035] If the type of service included in the sending channel includes broadcast and / or multicast, using the first set of channel access priority categories to determine the channel access priority category;

[0036] If the type of the service included in the sending channel is unicast, the second set of channel access priority categories is used to determine the channel access priority category.

[0037] Optionally, the method further comprises at least one of the following:

[0038] The first set of channel access priority categories and the second set of channel access priority categories belong to different channel access priority category tables;

[0039] The first set channel access priority category and the second set channel access priority category belong to different elements in the same channel access priority category table.

[0040] Optionally, the method further comprises at least one of the following:

[0041] A channel access priority category table is determined according to downlink control information, and the channel access priority category is determined according to the channel access priority category table.

[0042] Optionally, the table indicated by the downlink control information is configured according to RRC signaling; and / or the channel access priority category table determined according to the downlink control information includes at least one of the following:

[0043] Determining the channel access priority category table according to bit information in the downlink control information;

[0044] Determining the channel access priority category table according to the newly added column information in the table indicated by the downlink control information;

[0045] The channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information.

[0046] Optionally, the method further comprises at least one of the following:

[0047] In response to transmitting a physical sidelink data channel, determining the channel access priority category;

[0048] determining the channel access priority class in response to transmitting a physical sidelink control channel;

[0049] In response to sending a physical sidelink feedback channel, determining the channel access priority category;

[0050] The channel access priority class is determined in response to a sidelink synchronization broadcast information block.

[0051] Optionally, the method further comprises at least one of the following:

[0052] Determining a channel access priority category of the physical side link feedback channel according to a channel access priority category to which a corresponding physical side link data channel belongs;

[0053] Determining a fixed preset value as a channel access priority category of the physical side link feedback channel;

[0054] Determining a channel access priority category of the physical sidelink feedback channel according to the priority of the corresponding sidelink physical data channel;

[0055] When at least two physical side link feedback channels are transmitted on the same physical side link feedback channel opportunity or in the same time slot, determining the channel access priority category of the transmitting terminal on the physical side link feedback channel opportunity or in the time slot according to the physical side link feedback channel with a higher channel access priority category;

[0056] If at least two physical side link feedback channels start transmitting at the same time and / or symbol, the channel access priority category of the transmitting terminal at the same time and / or symbol of the physical side link feedback channel is determined according to the physical side link feedback channel with a higher channel access priority category.

[0057] Optionally, the processing method further includes at least one of the following:

[0058] If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the lowest priority;

[0059] If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the highest priority;

[0060] If the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the randomly selected receiver.

[0061] Optionally, the jointly determining the channel access priority category according to a receiver identifier and a sender identifier of the physical side link data channel further includes at least one of the following:

[0062] Determine a minimum channel access priority category based on the receiver identifier and the sender identifier as the channel access priority category;

[0063] A maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.

[0064] Optionally, the processing method further includes at least one of the following:

[0065] Determine the channel access priority category based on the resource type corresponding to the PC5 5G QoS identifier value;

[0066] Determine the channel access priority category based on the default priority corresponding to the PC5 5G QoS identifier value;

[0067] Determine the channel access priority category based on the packet error rate corresponding to the PC5 5G QoS identifier value;

[0068] The channel access priority category is determined based on the packet delay budget corresponding to the PC5 5G QoS identifier value.

[0069] Optionally, the method further includes: determining at least one parameter among a delay period, a contention allowed window size, and a maximum channel occupancy time.

[0070] The present application also provides a processing method, which can be applied to a network device (such as a base station), with reference to FIG6 , including:

[0071] A10: Send downlink control information so that the terminal device uses the downlink control information to determine the channel access priority category and access the channel with the preset channel access priority category.

[0072] Optionally, the table indicated by the downlink control information is configured according to RRC signaling; and / or the step of sending downlink control information so that the terminal device determines the channel access priority category using the downlink control information further includes at least one of the following:

[0073] The terminal device determines the channel access priority category table according to the bit information in the downlink control information;

[0074] The terminal device determines the channel access priority category table according to the newly added column information in the table indicated by the downlink control information;

[0075] The terminal device determines the channel access priority category table based on the newly added index information in the table indicated by the downlink control information.

[0076] Optionally, the table indicated by the downlink control information is configured according to RRC signaling.

[0077] The present application also provides a communication device, comprising: a memory, a processor, and a processing program stored in the memory and executable on the processor, wherein the processing program implements the steps of any of the above processing methods when executed by the processor.

[0078] The communication device in this application can be a terminal device (such as a mobile phone) or a network device (such as a base station). The specific reference needs to be clarified based on the context.

[0079] The present application also provides a storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of the processing method described in any one of the above items are implemented.

[0080] The present application also provides a communication device, wherein the communication device includes:

[0081] The processing module is configured to access a channel with a preset channel access priority category in response to a preset condition being met.

[0082] Optionally, the satisfying of the preset condition includes at least one of the following:

[0083] The physical channels used for transmission are different;

[0084] The types of services included in the sending channels are different;

[0085] There are different recipients;

[0086] There are different senders;

[0087] Optionally, the sent physical channel further includes at least one of the following:

[0088] Sending physical side link control channel;

[0089] Send physical side link data channel;

[0090] Sending physical side link feedback channel;

[0091] Send physical side link synchronization information block.

[0092] Optionally, the type of services included in the sending channel further includes at least one of the following:

[0093] The types of services included in the sending channel include broadcast or multicast;

[0094] The types of services included in the sending channel include unicast;

[0095] The types of services included in the transmission channel include unicast, broadcast and multicast.

[0096] Optionally, the method for determining the channel access priority category includes at least one of the following:

[0097] Determining the channel access priority category according to the type of service included in the sending channel;

[0098] Determine the channel access priority category according to downlink control information or the type of the transmission channel

[0099] Determining the channel access priority category according to the logical channel corresponding to the physical side link data channel;

[0100] Determining the channel access priority category according to a receiver identifier of the physical side link data channel;

[0101] Determining the channel access priority category according to a sender identifier of a physical side link data channel;

[0102] Determining the channel access priority category jointly according to a receiver identifier and a sender identifier of a physical side link data channel;

[0103] Determining the channel access priority category according to the number of receivers;

[0104] Determining the channel access priority category based on a per-packet priority PPPP of near field communication;

[0105] Determine the channel access priority category based on the PC5 5G QoS identifier value.

[0106] Optionally, the processing module is used to implement:

[0107] If the type of service included in the sending channel includes broadcast and / or multicast, using the first set of channel access priority categories to determine the channel access priority category;

[0108] If the type of the service included in the sending channel is unicast, the second set of channel access priority categories is used to determine the channel access priority category.

[0109] Optionally, the processing module is used to implement:

[0110] The first set of channel access priority categories and the second set of channel access priority categories belong to different channel access priority category tables;

[0111] The first set channel access priority category and the second set channel access priority category belong to different elements in the same channel access priority category table.

[0112] Optionally, the processing module is used to implement:

[0113] A channel access priority category table is determined according to downlink control information, and the channel access priority category is determined according to the channel access priority category table.

[0114] Optionally, the table indicated by the downlink control information is configured according to RRC signaling; and / or the processing module is used to implement:

[0115] Determining the channel access priority category table according to bit information in the downlink control information;

[0116] Determining the channel access priority category table according to the newly added column information in the table indicated by the downlink control information;

[0117] The channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information.

[0118] Optionally, the table indicated by the downlink control information is configured according to RRC signaling.

[0119] Optionally, the processing module is used to implement:

[0120] In response to transmitting a physical sidelink data channel, determining the channel access priority category;

[0121] determining the channel access priority class in response to transmitting a physical sidelink control channel;

[0122] In response to sending a physical sidelink feedback channel, determining the channel access priority category;

[0123] The channel access priority class is determined in response to a sidelink synchronization broadcast information block.

[0124] Optionally, the processing module is used to implement:

[0125] Determining a channel access priority category of the physical side link feedback channel according to a channel access priority category to which a corresponding physical side link data channel belongs;

[0126] Determining a fixed preset value as a channel access priority category of the physical side link feedback channel;

[0127] Determining a channel access priority category of the physical sidelink feedback channel according to the priority of the corresponding sidelink physical data channel;

[0128] When at least two physical side link feedback channels are transmitted on the same physical side link feedback channel opportunity or in the same time slot, determining the channel access priority category of the transmitting terminal on the physical side link feedback channel opportunity or in the time slot according to the physical side link feedback channel with a higher channel access priority category;

[0129] If at least two physical side link feedback channels start transmitting at the same time and / or symbol, the channel access priority category of the transmitting terminal at the same time and / or symbol of the physical side link feedback channel is determined according to the physical side link feedback channel with a higher channel access priority category.

[0130] Optionally, the processing module is used to implement:

[0131] If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the lowest priority;

[0132] If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the highest priority;

[0133] If the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the randomly selected receiver.

[0134] Optionally, the processing module is used to implement:

[0135] Determine a minimum channel access priority category based on the receiver identifier and the sender identifier as the channel access priority category;

[0136] A maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.

[0137] Optionally, the processing module is used to implement:

[0138] Determine the channel access priority category based on the resource type corresponding to the PC5 5G QoS identifier value;

[0139] Determine the channel access priority category based on the default priority corresponding to the PC5 5G QoS identifier value;

[0140] Determine the channel access priority category based on the packet error rate corresponding to the PC5 5G QoS identifier value;

[0141] The channel access priority category is determined based on the packet delay budget corresponding to the PC5 5G QoS identifier value.

[0142] Optionally, the processing module is configured to implement: determining at least one parameter among a delay period, a contention allowed window size, and a maximum channel occupancy time.

[0143] As described above, the processing method of the present application accesses a channel using a preset channel access priority category in response to a preset condition being met. Because the present application clarifies the channel access priority category in the SL-U system, different physical channels can use different channel access priority categories, enabling different physical channels to access the unlicensed spectrum using different channel access parameters, thereby improving the utilization rate of the unlicensed spectrum. BRIEF DESCRIPTION OF THE DRAWINGS

[0144] The accompanying drawings herein are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0145] FIG1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application, provided by an embodiment of the present application;

[0146] FIG2 is a diagram of a communication network system architecture provided by an embodiment of the present application;

[0147] FIG3 is a flow chart of an embodiment of a processing method provided in an embodiment of the present application;

[0148] FIG4 is a schematic diagram of a detailed flow chart of step S10 of an embodiment of a processing method provided in an embodiment of the present application;

[0149] FIG5 is a schematic diagram of the distribution of N idle channels in a random backoff contention window provided by an embodiment of the present application;

[0150] FIG6 is a flow chart of another embodiment of the processing method provided in an embodiment of the present application;

[0151] FIG7 is a schematic structural diagram of a communication device provided in an embodiment of the present application;

[0152] FIG8 is a schematic structural diagram of another communication device provided in an embodiment of the present application;

[0153] FIG9 is a schematic diagram of the hardware structure of a controller 140 provided in an embodiment of the present application;

[0154] FIG10 is a schematic diagram of the hardware structure of a network node 150 provided in an embodiment of the present application.

[0155] The purpose of this application, its features, and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings. The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and the accompanying text are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of this application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0156] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0157] It should be noted that, in this document, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context of the specific embodiment.

[0158] It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are used solely to distinguish information of the same type from one another. For example, without departing from the scope of this disclosure, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the term "if," as used herein, may be interpreted as "upon," "when," or "in response to a determination." Furthermore, as used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It should be further understood that the terms "comprising" and "including" indicate the presence of the recited features, steps, operations, elements, components, items, types, and / or groups, but do not preclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, types, and / or groups. The terms "or," "and / or," "including at least one of the following," etc., as used herein, may be interpreted as inclusive, meaning any one or any combination. For example, “comprising at least one of the following: A, B, C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”; and for another example, “A, B or C” or “A, B and / or C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some manner.

[0159] It should be understood that, although the various steps in the flowchart in the embodiment of the present application are shown in sequence according to the indication of the arrows, these steps are not necessarily performed in sequence in the order indicated by the arrows. Unless clearly stated herein, the execution of these steps is not strictly limited in order, and they can be performed in other orders. Moreover, at least a portion of the steps in the figure may include multiple sub-steps or multiple stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and their execution order is not necessarily performed in sequence, but can be performed in turn or alternately with at least a portion of other steps or sub-steps or stages of other steps.

[0160] As used herein, the words "if" and "if" may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting," depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to the determination" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)," depending on the context.

[0161] It should be noted that in this article, step codes such as S11 and S12 are used for the purpose of expressing the corresponding content more clearly and concisely, and do not constitute a substantial limitation on the order. When implementing the step, those skilled in the art may execute S12 first and then S11, etc., but these should all be within the scope of protection of this application.

[0162] It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application.

[0163] In the subsequent description, the use of suffixes such as "module", "component" or "unit" to represent elements is only for the purpose of facilitating the description of the present application and has no specific meaning. Therefore, "module", "component" or "unit" can be used interchangeably.

[0164] The terminal device may be implemented in various forms. For example, the terminal device described in this application may include mobile terminals with wireless communication capabilities, such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminals with wireless communication capabilities, such as digital TVs and desktop computers.

[0165] The subsequent description will be made by taking a mobile terminal as an example. It will be understood by those skilled in the art that, in addition to components specifically used for mobile purposes, the configuration according to the embodiments of the present application can also be applied to fixed-type terminals.

[0166] Please refer to FIG1 , which is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application, provided in an embodiment of the present application. The mobile terminal 100 may include components such as an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an A / V (Audio / Video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art will appreciate that the mobile terminal structure shown in FIG1 does not limit the mobile terminal, and the mobile terminal may include more or fewer components than shown, or may combine certain components, or arrange the components differently.

[0167] The following is a detailed introduction to the various components of the mobile terminal in conjunction with Figure 1:

[0168] The RF unit 101 can be used to send and receive information or receive signals during calls. Specifically, it receives downlink information from the base station and transmits it to the processor 110 for processing. It also transmits uplink data to the base station. Typically, the RF unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, and more. Furthermore, the RF unit 101 can communicate with the network and other devices via wireless communication. The above-mentioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution), NR (New Radio, 5G) and 6G (6th generation mobile networks, 6th generation wireless systems, sixth generation mobile communication technology), etc.

[0169] WiFi is a short-range wireless transmission technology. A mobile terminal, through WiFi module 102, enables users to send and receive emails, browse web pages, and access streaming media, providing wireless broadband Internet access. Although FIG1 illustrates WiFi module 102, it is understood that it is not a required component of the mobile terminal and can be omitted as needed without changing the essence of the application.

[0170] The audio output unit 103 can convert audio data received by the RF unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output it as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Furthermore, the audio output unit 103 can also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, or the like.

[0171] The A / V input unit 104 is used to receive audio or video signals. The A / V input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042. The GPU 1041 processes image data of still images or videos captured by an image capture device (e.g., a camera) in video capture mode or image capture mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the GPU 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the RF unit 101 or the WiFi module 102. The microphone 1042 may receive sound (audio data) in operating modes such as a phone call mode, a recording mode, and a voice recognition mode, and may process such sound into audio data. In the phone call mode, the processed audio (voice) data may be converted into a format that can be transmitted to a mobile communication base station via the RF unit 101. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to eliminate (or suppress) noise or interference generated during the reception and transmission of audio signals.

[0172] The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor. Optionally, the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 1061 and / or the backlight when the mobile terminal 100 is moved to the ear. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary. It can be used for applications that recognize the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors that can be configured in the mobile phone, such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., they will not be described here.

[0173] The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

[0174] The user input unit 107 can be used to receive input digital or character information, and generate key signal input related to user settings and function control of the mobile terminal. Optionally, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also known as a touch screen, can collect user touch operations on or near it (such as operations performed by the user using a finger, stylus, or any other suitable object or accessory on or near the touch panel 1071) and drive the corresponding connection device according to a pre-set program. The touch panel 1071 may include two parts: a touch detection device and a touch controller. Optionally, the touch detection device detects the user's touch direction and detects the signal generated by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 110. It can also receive commands sent by the processor 110 and execute them. In addition, the touch panel 1071 can be implemented using various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may further include other input devices 1072. Optionally, the other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, power keys, etc.), a trackball, a mouse, a joystick, etc., and the specifics are not limited here.

[0175] Optionally, the touch panel 1071 may overlay the display panel 1061. When the touch panel 1071 detects a touch operation on or near it, it transmits the information to the processor 110 to determine the type of touch event. The processor 110 then provides a corresponding visual output on the display panel 1061 based on the type of touch event. Although in FIG1 , the touch panel 1071 and the display panel 1061 are shown as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited to this specific embodiment.

[0176] The interface unit 108 serves as an interface through which at least one external device can be connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, etc. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.

[0177] Memory 109 can be used to store software programs and various data. Memory 109 may primarily include a program storage area and a data storage area. Optionally, the program storage area may store an operating system and at least one application required for a function (such as a sound playback function or an image playback function); the data storage area may store data generated based on the use of the mobile phone (such as audio data, a phone book, etc.). Furthermore, memory 109 may include high-speed random access memory and non-volatile memory, such as at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0178] Processor 110 is the control center of the mobile terminal, connecting all components of the mobile terminal using various interfaces and circuits. By running or executing software programs and / or modules stored in memory 109 and accessing data stored in memory 109, it executes various functions of the mobile terminal and processes data, thereby providing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, processor 110 may integrate an application processor and a modem processor. Optionally, the application processor primarily handles the operating system, user interface, and application programs, while the modem processor primarily handles wireless communications. It is understood that the modem processor may not be integrated into processor 110.

[0179] The mobile terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components. Preferably, the power supply 111 may be logically connected to the processor 110 through a power management system, thereby managing functions such as charging, discharging, and power consumption through the power management system.

[0180] Although not shown in FIG. 1 , the mobile terminal 100 may further include a Bluetooth module, etc., which will not be described in detail here.

[0181] To facilitate understanding of the embodiments of the present application, the communication network system on which the mobile terminal of the present application is based is described below.

[0182] Please refer to Figure 2, which is a communication network system architecture diagram provided in an embodiment of the present application. The communication network system is an LTE system of universal mobile communication technology. The LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203 and an operator's IP service 204, which are connected in sequence.

[0183] Optionally, UE201 may be the above-mentioned mobile terminal 100, which will not be described in detail here.

[0184] E-UTRAN 202 includes eNodeB 2021 and other eNodeBs 2022 . Optionally, eNodeB 2021 may be connected to other eNodeBs 2022 via a backhaul (eg, an X2 interface). eNodeB 2021 is connected to EPC 203 , and eNodeB 2021 may provide access from UE 201 to EPC 203 .

[0185] EPC 203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving Gate Way) 2034, a PGW (PDN Gate Way) 2035, and a PCRF (Policy and Charging Rules Function) 2036. Optionally, MME 2031 is a control node that processes signaling between UE 201 and EPC 203, providing bearer and connection management. HSS 2032 provides registers for managing functions such as the Home Location Register (not shown) and stores user-specific information such as service features and data rates. All user data can be sent through SGW2034, PGW2035 can provide IP address allocation and other functions for UE 201, PCRF2036 is the policy and charging control policy decision point for service data flow and IP bearer resources, and it selects and provides available policy and charging control decisions for the policy and charging execution function unit (not shown in the figure).

[0186] The IP service 204 may include the Internet, an intranet, an IMS (IP Multimedia Subsystem), or other IP services.

[0187] Although the above introduction takes the LTE system as an example, those skilled in the art should know that this application is not only applicable to the LTE system, but can also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G and future new network systems (such as 6G), etc., which are not limited here.

[0188] Based on the above-mentioned mobile terminal hardware structure and communication network system, various embodiments of the present application are proposed.

[0189] Please refer to Figure 3, which is a flow chart of a processing method provided in an embodiment of the present application. The method of the embodiment of the present application can be executed by a terminal device. In the first embodiment of the processing method of the present application, the method may include the following steps:

[0190] S10 , in response to a preset condition being met, accessing a channel with a preset channel access priority category.

[0191] Optionally, the processing method is applied to a terminal device in the SL-U system, and the terminal device accesses the channel with a preset channel access priority category in response to meeting a preset condition; the present application clarifies the channel access priority category in the SL-U system, thereby enabling different physical channels to use different channel access priority categories, and enabling different physical channels to access the unlicensed spectrum using different channel access parameters, thereby improving the utilization rate of the unlicensed spectrum.

[0192] Optionally, in the SL-U system, the terminal device and the network device do not need to communicate through the base station, but can communicate directly.

[0193] Optionally, the terminal device in the SL-U system may be a sender having a WIFI module or a Bluetooth module.

[0194] Optionally, the sender in the SL-U system may be an in-vehicle device such as a vehicle. In addition, the sender may also be a smart home device such as a smart TV, a smart refrigerator, etc., without specific limitation.

[0195] Optionally, the network device in the SL-U system may specifically be a receiver having a WIFI module, a Bluetooth module, etc.

[0196] Optionally, the receiver in the SL-U system can be a vehicle, a mobile phone, a tablet, or other type of receiver, without specific limitation.

[0197] Optionally, some application scenarios may be:

[0198] In a vehicle driving scenario, the first vehicle (sender) and the second vehicle (receiver) communicate directly with each other instead of through a base station. For example, data is transmitted directly between the first vehicle and the second vehicle through a side link. At this time, it is necessary to determine the channel access priority category so that different physical channels use different channel access priority categories, and different physical channels use different channel access parameters to access the unlicensed spectrum, thereby improving the utilization rate of the unlicensed spectrum.

[0199] Optionally, some application scenarios may also be:

[0200] In smart home scenarios, mobile phones communicate with smart refrigerators through side links rather than through base stations. Therefore, it is necessary to determine the channel access priority category so that different physical channels use different channel access priority categories. This ensures that high-priority services have priority access to the unlicensed spectrum, thereby improving the utilization of the unlicensed spectrum.

[0201] Optionally, the network device may communicate with multiple terminal devices simultaneously, and therefore needs to compete for channels. That is, the processing method of the present application is relatively more widely used in the corresponding downlink (compared with the uplink).

[0202] Optionally, when the terminal device that is the execution subject of the processing method of the embodiment of the present application is ready to send at least one of the PSCCH channel (Physical Sidelink Control Channel), PSSCH channel (Physical Sidelink Share Channel), and S-SS / PSBCH (Sidelink-Synchronization Signal / Physical Sidelink Broadcast Channel), the sender needs to perform Type 1 channel access. Before performing Type 1 channel access, it is necessary to preset the channel access priority category or determine the channel access priority category, and then determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters, that is, the above parameters are associated with the channel access priority category (Channel Access Priority Class, CAPC). Therefore, if you want to determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters, you need to determine the channel access priority category (preset channel access priority category).

[0203] Optionally, referring to Tables 1 and 2 below, by introducing a random backoff mechanism, different channel access priority category tables are determined for different physical channels, and then, based on different channel access priority category tables, in response to meeting preset conditions, the channel is accessed with the preset channel access priority category.

[0204] Optionally, the random backoff mechanism defines four different channel access priority categories, based on which parameters such as the delay period, contention window size, and maximum COT (channel occupancy time) are determined.

[0205] Optionally, when the terminal device performs Type 1 channel access, the relevant parameters of the channel access priority category may be as shown in Table 1 and Table 2 below:

[0206] Table 1. Channel Access Priority Class (CAPC)

[0207]

[0208] In Table 1, Channel Access Priority Class (p) is: channel access priority class; m p is: the delay parameter of the channel access priority class p; CW min,p is: the size of the minimum contention window for channel access priority class p; CW max,p is: the size of the maximum contention window for channel access priority category p; T mcot,p Channel access priority category p, the maximum time the frequency band can be occupied after LBT is successful; allowedCW p Sizes: Channel access priority category p, the size of the allowed contention window.

[0209] Table 2. Channel Access Priority Class (CAPC)

[0210]

[0211] In Table 2, Channel Access Priority Class (p) is: channel access priority class; m p is: the delay parameter of the channel access priority category p, CW min,p is: the size of the minimum contention window for channel access priority class p; CW max,p is: the size of the maximum contention window for channel access priority category p; T ulmcot,pChannel access priority category p, the maximum time the frequency band can be occupied after LBT is successful; allowedCW p Sizes is: channel access priority category p, allowed contention window size (CWS, Contention Window Size).

[0212] Optionally, the purpose of defining different channel access priority categories for different physical channels is to enable high-priority services to use smaller contention windows to access the channel faster, while low-priority services use larger contention windows, thereby increasing the possibility of transmitting high-priority data before low-priority data.

[0213] Optionally, each channel access priority category has a separate contention window, and the maximum and minimum values ​​of the contention window are different. Thus, high-priority services can use a smaller contention window to access the channel faster, while low-priority services use a larger contention window, thereby increasing the possibility of transmitting high-priority data before low-priority data.

[0214] Optionally, the category of channel access priority also determines the length of the delay period, that is, the sender needs to perform Type 1 channel access. The sender monitors the channel and waits until a frequency channel is available for at least a period of time called the delay period. This delay period is generally composed of a 16us plus several 9us time slots. The length of the delay period depends on the category of channel access priority.

[0215] Optionally, in response to a preset condition being met, the channel is accessed with a preset channel access priority category.

[0216] Optionally, in response to the transmitted physical channel being different, the channel is accessed with a preset channel access priority category.

[0217] Optionally, in response to different types of services included in the sending channel, the channel is accessed with a preset channel access priority category.

[0218] Optionally, in response to the existence of different receivers, the channel is accessed with a preset channel access priority category.

[0219] Optionally, in response to the existence of different senders, accessing the channel with a preset channel access priority category.

[0220] Optionally, in response to different channel priorities, the channel is accessed with a preset channel access priority category.

[0221] Optionally, in response to the transmitted physical channel being different, accessing the channel with a preset channel access priority category includes at least one of the following:

[0222] The physical channel sent in response includes sending two or more of a physical side link control channel, a physical side link data channel, a physical side link feedback channel, and a physical side link synchronization information block to correspond to different preset channel access priority category access channels.

[0223] The physical channel sent in response includes sending two or more of a physical side link control channel, a physical side link data channel, a physical side link feedback channel, and a physical side link synchronization information block to correspond to different preset channel access priority category access channels.

[0224] Optionally, in response to different types of services included in the transmission channel, accessing the channel according to a preset channel access priority category includes:

[0225] In response to the types of services included in the sending channel including unicast, broadcast and multicast service types, accessing the channel in accordance with different preset channel access priority categories;

[0226] In response to the types of services included in the sending channel including unicast and broadcast service types, accessing the channel in accordance with different preset channel access priority categories;

[0227] In response to the type of service included in the sending channel including unicast and multicast service types, accessing the channel in accordance with different preset channel access priority categories;

[0228] In response to the types of services included in the transmission channel including unicast, broadcast, and broadcast and multicast service types, accessing the channel in accordance with different preset channel access priority categories;

[0229] In response to the types of services included in the transmission channel including four service types: unicast, multicast, broadcast and multicast, accessing the channel in accordance with different preset channel access priority categories;

[0230] In response to the fact that the types of services included in the sending channel include four service types: unicast, multicast, broadcast, broadcast and multicast, the channel is accessed corresponding to different preset channel access priority categories.

[0231] Optionally, in response to the existence of different receivers, accessing the channel with a preset channel access priority category includes:

[0232] In response to the presence of two different receivers, accessing the channel in accordance with different preset channel access priority categories;

[0233] In response to the existence of two or more different receivers, the channel is accessed according to different preset channel access priority categories.

[0234] Optionally, in response to the existence of different senders, accessing the channel corresponding to different preset channel access priority categories includes:

[0235] In response to the presence of two different senders, accessing the channel in corresponding to different preset channel access priority categories;

[0236] In response to the presence of two or more different senders, access the channel corresponding to different preset channel access priority categories.

[0237] Optionally, in response to different channel priorities, accessing the channel with a preset channel access priority category includes:

[0238] Optionally, in response to different priorities of the physical side link control channel, the physical side link data channel, the physical side link feedback channel and the physical side link synchronization information block, access channels are accessed corresponding to different preset channel access priority categories.

[0239] Optionally, after determining that a preset condition is met, accessing the channel with a preset channel access priority category.

[0240] Optionally, it is necessary to preset or determine the channel access priority category first.

[0241] Optionally, as shown in FIG4 , the application processing method includes:

[0242] Step S11 , in response to a preset condition being met, determining a channel access priority category according to a method for determining the channel access priority category, and accessing a channel with the preset channel access priority category.

[0243] Optionally, the method for determining the channel access priority category includes:

[0244] Determining the channel access priority category according to the type of service included in the sending channel;

[0245] Optionally, the service types included in the sending channel include broadcast and / or multicast.

[0246] Optionally, the service type included in the sending channel includes unicast.

[0247] Optionally, the service types included in the sending channel include broadcast and unicast, or multicast and unicast, or broadcast, multicast and unicast.

[0248] Optionally, the method for determining the channel access priority category includes: determining the channel access priority category based on downlink control information, and then accessing the channel with a preset channel access priority category.

[0249] Optionally, the method for determining the channel access priority category includes: determining the channel access priority category according to the type of the sending channel, and then accessing the channel with a preset channel access priority category.

[0250] Optionally, the type of the transmission channel includes at least one of a PSCCH channel, a PSSCH channel, and an S-SS / PSBCH.

[0251] Optionally, referring to FIG4 , the method further includes at least one of the following:

[0252] Step S115: In response to satisfying a preset condition and in response to sending a physical side link data channel, determining the channel access priority category, and accessing the channel with the preset channel access priority category.

[0253] Step S116: In response to the preset condition being met, in response to sending the physical side link control channel, determining the channel access priority category, and accessing the channel with the preset channel access priority category.

[0254] Step S117: In response to the preset condition being met and in response to sending the physical side link feedback channel, the channel access priority category is determined, and the channel is accessed with the preset channel access priority category.

[0255] Step S118: In response to the preset condition being met and in response to the side link synchronization broadcast information block, the channel access priority category is determined, and the channel is accessed with the preset channel access priority category.

[0256] Optionally, a channel access priority category is determined based on the logical channel corresponding to the physical side link data channel, and then, when a preset condition is met, the channel is accessed with the preset channel access priority category.

[0257] Optionally, the logical channel corresponding to the physical side link data channel may be a voice service channel or a data service channel, without specific limitation.

[0258] Optionally, a channel access priority category is determined based on a receiver identifier of a physical side link data channel, and then, after a preset condition is met, the channel is accessed with a preset channel access priority category.

[0259] Optionally, there is a first preset association relationship between the receiver identifier and the channel access priority category.

[0260] Optionally, a channel access priority category is determined based on a sender identifier of a physical side link data channel, thereby enabling access to a channel with a preset channel access priority category.

[0261] Optionally, there is a second preset association relationship between the sender identifier and the channel access priority category.

[0262] Optionally, the channel access priority category is jointly determined based on the receiver identifier and the sender identifier of the physical side link data channel, thereby achieving access to the channel with a preset channel access priority category.

[0263] There is a third preset association relationship between the receiver identifier and the sender identifier and the channel access priority category.

[0264] Optionally, a channel access priority category is determined based on the number of receivers, thereby enabling access to a channel with a preset channel access priority category.

[0265] Optionally, the number of receivers is inversely proportional to the channel access priority category, that is, the greater the number of receivers, the smaller the channel access priority category.

[0266] Optionally, if the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the receiver with the lowest priority.

[0267] Optionally, if the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the receiver with the highest priority.

[0268] Optionally, if the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the randomly selected receiver.

[0269] Optionally, the priority is a PC5 5G QoS identifier (PC5 5G QoS Identifier, PC5 5QI), thereby enabling access to the channel with a preset channel access priority category.

[0270] Optionally, there is a correspondence between the PC5 5G QoS identifier value and the channel access priority category.

[0271] Optionally, there is a correspondence between the resource type (resource type) corresponding to the PC5 5G QoS identifier value and the channel access priority category, for example, Delay Critical GBR corresponds to channel access priority category 1 and / or channel access priority category 2, and / or, GBR corresponds to channel access priority category 2 and / or channel access priority category 3, and / or, non-GBR corresponds to channel access priority category 3 and / or channel access priority category 4, etc.

[0272] Optionally, there is a correspondence between the default priority (Default Priority Level) corresponding to the PC5 5G QoS identifier value and the channel access priority category, for example, the default priority 2 corresponds to channel access priority category 1 and / or channel access priority category 2, and / or, the default priority 3 corresponds to channel access priority category 2 and / or channel access priority category 3, and / or, the default priorities 4, 5, and 6 correspond to channel access priority category 3 and / or channel access priority category 4, etc.

[0273] Optionally, there is a corresponding relationship between the packet error rate (Packet Error Rate) corresponding to the PC5 5G QoS identifier value and the channel access priority category, for example, the packet error rate 10 -5 Corresponding to channel access priority category 1 and / or channel access priority category 2, and / or packet error rate 10 -4 Corresponding to channel access priority category 2 and / or channel access priority category 3, and / or packet error rate 10 -2 Corresponding to channel access priority category 3 and / or channel access priority category 4, and / or packet error rate 10 -1 Corresponding to channel access priority category 4, etc.

[0274] Optionally, there is a correspondence between the packet delay budget (Packet Delay Budget) corresponding to the PC5 5G QoS identifier value and the channel access priority category, for example, a packet delay budget of 3ms corresponds to channel access priority category 1, and / or a packet delay budget of 10ms corresponds to channel access priority category 1 and / or channel access priority category 2, and / or a packet delay budget of 20ms, 25ms corresponds to channel access priority category 2 and / or channel access priority category 3, and / or a packet delay budget of 50ms, 100ms corresponds to channel access priority category 3 and / or channel access priority category 4, and / or a packet delay budget of 500ms corresponds to channel access priority category 4, etc.

[0275] Optionally, a channel access priority category is determined based on the per-packet priority PPPP of the near field communication, thereby enabling access to the channel with a preset channel access priority category.

[0276] Optionally, the channel access priority category can be determined by any one of the service type contained in the sending channel; downlink control information; the type of sending channel; the logical channel corresponding to the physical side link data channel; the receiver identifier of the physical side link data channel; the sender identifier of the physical side link data channel; the receiver identifier and sender identifier of the physical side link data channel; the number of receivers; and the per-packet priority PPPP of near-field communication, or it can be determined by multiple of the above.

[0277] Optionally, the channel access priority category may be determined by the service type and downlink control information included in the transmission channel. Optionally, the channel access priority category may be determined by the service type, downlink control information and the number of receivers included in the transmission channel.

[0278] Optionally, as shown in FIG4 , step S11 further includes at least one of the following:

[0279] Step S111, in response to meeting the preset conditions, if the type of service contained in the sending channel includes broadcast and / or multicast, use the first set channel access priority category to determine the channel access priority category, and access the channel with the preset channel access priority category.

[0280] Step S112, in response to meeting the preset condition, if the type of service included in the sending channel is unicast, use the second set channel access priority category to determine the channel access priority category, and access the channel with the preset channel access priority category.

[0281] Optionally, if the types of services contained in the sending channel include broadcast and / or multicast, the above-mentioned Table 1 is used to determine the channel access priority category, that is, the first set channel access priority category is Table 1, and then, after the preset conditions are met, the channel is accessed with the preset channel access priority category.

[0282] Optionally, after determining the channel access priority category through the above Table 1, the specific channel access priority category p in the table is determined according to the first judgment rule, and then access to the channel is achieved with the preset channel access priority category, and parameters such as the delay period, contention window size, and maximum COT are further determined.

[0283] Optionally, the first decision rule includes the sender determining a channel access priority category p based on the logical channel corresponding to the sidelink physical data channel (PSSCH), and then, after a preset condition is met, accessing the channel with a preset channel access priority category. For example, for voice services, the channel access priority category p is 1. Optionally, the first decision rule also includes the sender determining the channel access priority category p based on the receiver identifier of the sidelink physical data channel, such as the destination identifier. Optionally, the first decision rule also includes the sender determining the channel access priority category p based on the sender identifier of the sidelink physical data channel, such as the source identifier. Optionally, the first decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identifier and the sender identifier of the sidelink physical data channel. For example, the first decision rule selects the smaller priority category between the receiver identifier and the sender identifier to determine the channel access priority category p. Optionally, the first decision rule includes the sender jointly determining the channel access priority category p based on the receiver identifier and the sender identifier of the sidelink physical data channel. For example, the first decision rule selects the larger priority category between the receiver identifier and the sender identifier to determine the channel access priority category p. Optionally, if the number of receivers is greater than 1, the priority of the receiver with the lowest priority among the receivers is selected to determine the priority category p. Optionally, if the number of receivers is greater than 1, the first decision rule selects the priority of the receiver with the highest priority among the receivers to determine the priority category p. Optionally, if the number of receivers is greater than 1, the first decision rule randomly selects a receiver and determines the priority category p based on the priority of the receiver. Optionally, the priority is the PC5 5G QoS identifier (PQI). Optionally, there is a correspondence between the priority category p and the per-packet priority (PPPP) of the near field communication. Optionally, the priority is the per-packet priority (PPP, ProSe per-packet priority) of the near field communication, and the per-packet priority is provided to the physical layer by the upper layer. After determining the channel access priority category p, the delay period, contention window size, maximum COT and other parameters are determined according to the above Table 1.

[0284] Optionally, the first decision rule includes determining the channel access priority category p according to the downlink control information, and then determining parameters such as the delay period, the contention window size, and the maximum COT. Optionally, the channel access priority category p is determined according to the bit information in the downlink control information, and then determining parameters such as the delay period, the contention window size, and the maximum COT. Optionally, the channel access priority category p is determined according to the newly added column information in the table indicated by the downlink control information, and then determining parameters such as the delay period, the contention window size, and the maximum COT. Optionally, the channel access priority category p is determined according to the newly added index information in the table indicated by the downlink control information, and then determining parameters such as the delay period, the contention window size, and the maximum COT. Optionally, the channel access priority category p indicated by the downlink control information is configured according to RRC (Radio Resource Control) signaling.

[0285] Optionally, if the type of service contained in the sending channel is broadcast and / or multicast, Table 1 is used alone to determine the channel access priority category to ensure that high-priority services have priority access to the unlicensed spectrum, thereby improving the utilization rate of the unlicensed spectrum.

[0286] Optionally, if the type of the service included in the sending channel is unicast, the second set of channel access priority categories is used to determine the channel access priority category.

[0287] If the type of services included in the sending channel includes unicast, the above Table 2 is used to determine the channel access priority category, that is, the second set of channel access priority categories is Table 2.

[0288] Optionally, after determining the channel access priority category through the above Table 2, the specific channel access priority category p in the table is determined according to the second decision rule, and then access to the channel is achieved with the preset channel access priority category, and then the delay period, contention window size, maximum COT and other parameters are determined.

[0289] Optionally, the second decision rule includes the sender determining a channel access priority category p based on a logical channel corresponding to a sidelink physical data channel (PSSCH), thereby accessing the channel with a preset channel access priority category. For example, for voice services, the channel access priority category p is 1. Optionally, the second decision rule also includes the sender determining a channel access priority category p based on a receiver identifier of the sidelink physical data channel, such as a destination identifier. Optionally, the second decision rule also includes the sender determining a channel access priority category p based on a sender identifier of the sidelink physical data channel, such as a source identifier. Optionally, the second decision rule also includes the sender jointly determining a channel access priority category p based on a receiver identifier and a sender identifier of the sidelink physical data channel. For example, the second decision rule selects a smaller priority category between the receiver identifier and the sender identifier to determine the channel access priority category p. Optionally, the second decision rule includes the sender jointly determining a channel access priority category p based on a receiver identifier and a sender identifier of the sidelink physical data channel. For example, the second decision rule selects a larger priority category between the receiver identifier and the sender identifier to determine the channel access priority category p.

[0290] Optionally, if the number of receivers is greater than one, the priority of the receiver with the lowest priority among the receivers is selected to determine the priority category p, and then access to the channel is achieved with a preset channel access priority category.

[0291] Optionally, if the number of receivers is greater than one, the priority of the receiver with the highest priority among the receivers is selected to determine the priority category p, and then access to the channel is achieved with a preset channel access priority category.

[0292] Optionally, if the number of receivers is greater than one, a receiver is randomly selected, and a priority category p is determined according to the priority of the receiver, and then access to the channel is achieved with a preset channel access priority category.

[0293] Optionally, the priority is PC5 5G QoS identifier (PQI).

[0294] Optionally, there is a correspondence between the priority category p and the near-field communication per-packet priority (PPPP). Optionally, the priority is the near-field communication per-packet priority (PPPP, ProSe per-packet priority), and the per-packet priority is provided by a higher layer to the physical layer. After determining the channel access priority category p, access to the channel is performed using the preset channel access priority category according to Table 2, and parameters such as the delay period, contention window size, and maximum COT are determined accordingly.

[0295] Optionally, the second decision rule includes determining a channel access priority category p based on downlink control information, thereby enabling access to the channel using a preset channel access priority category, and thereby determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, the channel access priority category p is determined based on bit information in the downlink control information, thereby enabling access to the channel using a preset channel access priority category, and thereby determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, the channel access priority category p is determined based on newly added column information in a table indicated by the downlink control information, thereby enabling access to the channel using a preset channel access priority category, and thereby determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, the channel access priority category p indicated by the downlink control information is determined based on newly added index information in a table indicated by the downlink control information, thereby enabling access to the channel using a preset channel access priority category, and thereby determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, the channel access priority category p indicated by the downlink control information is configured according to RRC signaling, thereby enabling access to the channel using a preset channel access priority category, and thereby determining parameters such as a delay period, a contention window size, and a maximum COT.

[0296] Optionally, if the type of service contained in the sending channel is unicast, Table 2 is used alone to determine the channel access priority category, and then access the channel with the preset channel access priority category to ensure access to the unlicensed spectrum after low-priority services, thereby improving the utilization rate of the unlicensed spectrum.

[0297] Optionally, at least one of the following is also included:

[0298] The first set of channel access priority categories and the second set of channel access priority categories belong to different channel access priority category tables;

[0299] The first set channel access priority category and the second set channel access priority category belong to different elements in the same channel access priority category table.

[0300] Optionally, if the first set channel access priority category belongs to Table 1 and the second set channel access priority category belongs to Table 2, the two belong to different channel access priority category tables. Since the two belong to different channel access priority category tables, the efficiency of determining the channel access priority category is improved, and the channel is accessed with the preset channel access priority category.

[0301] Optionally, the first aggregate channel access priority category and the second aggregate channel access priority category belong to different elements of the same channel access priority category table, such as Table 3 below. In Table 3, the first 4 rows belong to the first aggregate channel access priority category, and the last 4 rows belong to the first aggregate channel access priority category.

[0302] Since both belong to the same channel access priority category table, the table resources of the channel access priority category can be saved, and the channel can be accessed with the preset channel access priority category.

[0303] Table 3. Channel Access Priority Class (CAPC)

[0304]

[0305] Optionally, the method further includes:

[0306] Step S20: determining at least one parameter of a delay period, a contention allowed window size, and a maximum channel occupancy time.

[0307] Optionally, in response to satisfying a preset condition, after accessing the channel with a preset channel access priority category, at least one parameter among a delay period, an allowed contention window size, and a maximum channel occupancy time is determined.

[0308] Optionally, after determining the channel access priority category table, the channel access priority category is determined according to the corresponding table, and then the channel is accessed with the preset channel access priority category, and then at least one parameter among the delay period, allowed contention window size, and maximum channel occupancy time is determined.

[0309] As described above, the processing method of the present application accesses a channel using a preset channel access priority category in response to a preset condition being met. Since the present application clarifies the channel access priority category in the SL-U system, different physical channels use different channel access priority categories, enabling different physical channels to access the unlicensed spectrum using different channel access parameters, thereby improving the utilization rate of the unlicensed spectrum.

[0310] In one embodiment, referring to FIG. 4 , the method of the present application may be:

[0311] Step S113: In response to the preset condition being met, a channel access priority category is determined according to the downlink control information, and a channel is accessed with the preset channel access priority category.

[0312] Optionally, when the terminal device that is the execution subject of the processing method of the embodiment of the present application is ready to send at least one of the PSCCH channel (Physical Sidelink Control Channel), PSSCH channel (Physical Sidelink Share Channel), S-SS / PSBCH (Sidelink-Synchronization Signal / Physical Sidelink Broadcast Channel), the sender needs to perform Type 1 channel access. Before performing Type 1 channel access, it is necessary to preset the channel access priority category or determine the channel access priority category, and then determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters. The above parameters are associated with the channel access priority category (CAPC). Therefore, if you want to determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters, you need to determine the channel access priority category.

[0313] Optionally, the sender determines the channel access priority category based on the downlink control information, and then accesses the channel with the preset channel access priority category, and then determines at least one parameter among the delay period, the allowed contention window size, and the maximum channel occupancy time.

[0314] Optionally, the downlink control information determines the channel access priority category, which can be the following Table 4 (the channel is accessed with a preset channel access priority category, and at least one parameter among the delay period, allowed contention window size, and maximum channel occupancy time is determined), and Table 4 is configured through RRC signaling.

[0315] Optionally, the channel access priority category is directly determined through downlink control information control, and then the channel is accessed with the preset channel access priority category without the need for multiple determination processes, thereby improving the efficiency of determining the channel access priority category.

[0316] Table 4

[0317]

[0318] In Table 4, Entry index is the entry index, Channel Access Type is the channel access type, Type1-ULChannelAccess defined in [clause 4.2.1.1 in 37.213] is: UL Type 1 channel access is defined in clause 4.2.1.1 in 37.213, Type2A-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL Type 2A channel access is defined in clause 4.2.1.1 in 37.213, Type2B-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL Type 2B channel access is defined in clause 4.2.1.1 in 37.213, Type2C-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL Type 2C channel access is defined in Clause 4.2.1.1 of 37.213, which uses different Channel Access Priority Classes (CACP) for different physical channels. The CP extension T_"ext" index defined in Clause 5.3.1 of [4,38.211] is: The "ext" new index is defined in Clause 5.3.1 of [4,38.211].

[0319] Optionally, as shown in Table 4, UL Type 1 channel access is defined in clause 4.2.1.1 in 37.213, and the specific channel access priority category is determined by column 4 of Table 4.

[0320] Optionally, the corresponding target row is directly indicated in the 4th column of Table 4 according to the bit information in the downlink control information or the newly added index information in the table indicated by the downlink control information, that is, the channel access priority category is indicated, and then the channel is accessed with the preset channel access priority category.

[0321] Optionally, the corresponding target row is indicated in the fourth column of Table 4 according to the combination of the downlink control information and other information, that is, the channel access priority category is indicated.

[0322] Optionally, the corresponding target row is indicated in the fourth column of Table 4 according to the downlink control information and the service type included in the sending channel, i.e., the channel access priority category is indicated, and then the channel is accessed with the preset channel access priority category.

[0323] Optionally, the corresponding target row is indicated in the fourth column of Table 4 according to the downlink control information and the receiver identifier of the physical side link data channel, i.e., the channel access priority category is indicated, and the channel is accessed with the preset channel access priority category.

[0324] Optionally, the corresponding target row is directly indicated in the fourth column of Table 4 according to other parameters, that is, the channel access priority category is indicated, and then the channel is accessed with the preset channel access priority category.

[0325] Optionally, after determining the target row, ie, the channel access priority category, the channel is accessed with a preset channel access priority category, and parameters such as the delay period, contention window size, and maximum COT are determined.

[0326] As described above, the processing method of the present application, in response to meeting the preset conditions, determines the channel access priority category according to the downlink control information, and then accesses the channel with the preset channel access priority category. Since the technical solution of the present application can access the channel with the preset channel access priority category based on the channel access priority category determined by the downlink control information. It is more convenient to implement different physical channels, use different channel access priority categories, and implement different physical channels using different channel access parameters to access the unlicensed spectrum, thereby improving the utilization rate of the unlicensed spectrum.

[0327] In one embodiment, the processing method of this application may be:

[0328] In response to meeting a preset condition, a channel access priority category table is determined according to downlink control information, the channel access priority category is determined according to the channel access priority category table, and the channel is accessed with the preset channel access priority category.

[0329] Optionally, when the terminal device that is the execution subject of the processing method of the embodiment of the present application is ready to send at least one of the PSCCH channel (Physical Sidelink Control Channel), PSSCH channel (Physical Sidelink Share Channel), and S-SS / PSBCH (Sidelink-Synchronization Signal / Physical Sidelink Broadcast Channel), the sender needs to perform Type 1 channel access. Before performing Type 1 channel access, it is necessary to preset the channel access priority category or determine the channel access priority category, and then determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters. The above parameters are associated with the channel access priority category (CAPC). Therefore, if you want to determine parameters such as the delay period, contention window size, maximum COT (channel occupancy time), you need to determine the channel access priority category.

[0330] Optionally, the sender determines a channel access priority category table based on the downlink control information, determines the channel access priority category based on the channel access priority category table, and then accesses the channel with the preset channel access priority category, and then determines parameters such as the delay period, contention window size, and maximum COT.

[0331] Optionally, the table indicated by the downlink control information is configured according to RRC signaling, and / or the table for determining a channel access priority category according to the downlink control information further includes at least one of the following:

[0332] The channel access priority category table is determined according to bit information in the downlink control information.

[0333] The channel access priority category table is determined according to the newly added column information in the table indicated by the downlink control information.

[0334] The channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information.

[0335] Optionally, an additional bit is added to the downlink control information to indicate whether the channel access priority category table is Table 1 or Table 2, as shown in Table 5.

[0336] Optionally, one column is added to the table indicated by the downlink control information, and the column is used to indicate the channel access priority category table. For example, the table le in Table 5 is the added fifth column information. If the column information is 1, the channel access priority category table is Table 1. If the column information is 2, the channel access priority category table is Table 2.

[0337] Optionally, by combining the information in the 4th and 5th columns of Table 5, the channel access priority category information corresponding to each row can be determined, that is, which channel access priority category from which table to use, and then access the channel with the preset channel access priority category.

[0338] Optionally, the channel access priority category table is determined based on the newly added index information in the table indicated by the downlink control information, and the channel is accessed according to the preset channel access priority category. Optionally, the number of rows in the table is increased to distinguish different channel access priority categories (CAPCs). For example, if the first 43 rows indicate the channel access priority category table as Table 1, the last 43 rows indicate the channel access priority category table as Table 2.

[0339] Optionally, the table indicated by the downlink control information is configured according to RRC signaling. Optionally, the RRC signaling configuration is determined according to a higher layer, and then the channel is accessed with a preset channel access priority category.

[0340] Optionally, after determining the channel access priority category table, the channel access priority category is determined according to a third decision rule, and then the channel is accessed with a preset channel access priority category.

[0341] Optionally, the third decision rule includes the sender determining the channel access priority category p according to the logical channel corresponding to the sidelink physical data channel (PSSCH), and then accessing the channel with a preset channel access priority category. For example, for voice services, its channel access priority category p is 1. Optionally, the third decision rule also includes the sender determining the channel access priority category p according to the receiver identifier of the sidelink physical data channel, such as the destination identifier, and then accessing the channel with a preset channel access priority category. Optionally, the third decision rule also includes the sender determining the channel access priority category p according to the sender identifier of the sidelink physical data channel, such as the source identifier, and then accessing the channel with a preset channel access priority category. Optionally, the third decision rule also includes the sender jointly determining the channel access priority category p according to the receiver identifier and the sender identifier of the sidelink physical data channel, for example, the third decision rule selects the corresponding smaller priority category between the receiver identifier and the sender identifier to determine the channel access priority category p, and then accesses the channel with a preset channel access priority category. Optionally, the third decision rule includes the sender jointly determining the channel access priority category p based on the receiver identifier and the sender identifier of the sidelink physical data channel. For example, the third decision rule selects the corresponding larger priority category from the receiver identifier and the sender identifier to determine the channel access priority category p, and then accesses the channel with the preset channel access priority category. Optionally, if the number of receivers is greater than one, the priority of the receiver with the lowest priority among the receivers is selected to determine the priority category p, and then accesses the channel with the preset channel access priority category. Optionally, if the number of receivers is greater than one, the third decision rule selects the priority of the receiver with the highest priority among the receivers to determine the priority category p, and then accesses the channel with the preset channel access priority category. Optionally, if the number of receivers is greater than one, the third decision rule randomly selects a receiver, determines the priority category p based on the receiver's priority, and then accesses the channel with the preset channel access priority category. Optionally, the priority is the PC5 5G QoS identifier (PQI), and then accesses the channel with the preset channel access priority category. Optionally, there is a correspondence between the priority class p and the near-field communication per-packet priority (PPPP), and the channel is accessed using the preset channel access priority class. Optionally, the priority is the near-field communication per-packet priority (PPPP, ProSe per-packet priority), and the per-packet priority is provided by the upper layer to the physical layer. After determining the channel access priority class p, the channel is accessed using the preset channel access priority class, and parameters such as the delay period, contention window size, and maximum COT are determined according to Table 1 above.

[0342] Optionally, the third decision rule includes determining channel access priority category p based on downlink control information, then accessing the channel with a preset channel access priority category, and then determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, determining channel access priority category p based on bit information in the downlink control information, then accessing the channel with a preset channel access priority category, and then determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, determining channel access priority category p based on newly added column information in a table indicated by the downlink control information, then accessing the channel with a preset channel access priority category, and then determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, determining channel access priority category p based on newly added index information in a table indicated by the downlink control information, then accessing the channel with a preset channel access priority category, and then determining parameters such as a delay period, a contention window size, and a maximum COT. Optionally, the channel access priority category p indicated by the downlink control information is configured according to RRC signaling.

[0343] Table 5

[0344]

[0345] In Table 5, Entry index is the entry index, Channel Access Type is the channel access type, Type1-ULChannelAccess defined in [clause 4.2.1.1 in 37.213] is: UL type 1 channel access is defined in clause 4.2.1.1 in 37.213, Type2A-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL type 2A channel access is defined in clause 4.2.1.1 in 37.213, Type2B-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL type 2B channel access is defined in clause 4.2.1.1 in 37.213, Type2C-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL Type 2C channel access is defined in Clause 4.2.1.1 of 37.213, with different Channel Access Priority Classes (CACP) for different physical channels. The CP extension T_"ext" index defined in Clause 5.3.1 of [4,38.211] is: "ext" is a new index defined in Clause 5.3.1 of [4,38.211], and table is the Channel Access Priority Class table.

[0346] As described above, the processing method of the present application, in response to meeting a preset condition, determines a channel access priority category table according to downlink control information, determines the channel access priority category according to the channel access priority category table, and accesses the channel with the preset channel access priority category. Since the technical solution of the present application can access the channel with the preset channel access priority category based on the channel access priority category determined by the downlink control information. It is more convenient to implement different physical channels, use different channel access priority categories, and implement different physical channels using different channel access parameters to access the unlicensed spectrum, thereby improving the utilization rate of the unlicensed spectrum.

[0347] In one embodiment, the application processing method may further include:

[0348] In response to meeting a preset condition, a channel access priority category table is determined according to downlink control information, the channel access priority category is determined according to the channel access priority category table, and the channel is accessed with the preset channel access priority category.

[0349] That is, referring to FIG. 4 , step S11 further includes at least one of the following:

[0350] Step S114, in response to meeting the preset condition, determining a channel access priority category table according to the downlink control information, determining the channel access priority category according to the channel access priority category table, and accessing the channel with the preset channel access priority category.

[0351] Optionally, when the terminal device that is the execution subject of the processing method of the embodiment of the present application is ready to send at least one of the PSCCH channel (Physical Sidelink Control Channel), PSSCH channel (Physical Sidelink Share Channel), and S-SS / PSBCH (Sidelink-Synchronization Signal / Physical Sidelink Broadcast Channel), the sender needs to perform Type 1 channel access. Before performing Type 1 channel access, it is necessary to preset the channel access priority category or determine the channel access priority category, and then determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters. The above parameters are associated with the channel access priority category (CAPC). Therefore, if you want to determine parameters such as the delay period, contention window size, maximum COT (channel occupancy time), you need to determine the channel access priority category.

[0352] Optionally, the sender dynamically indicates a channel access priority category table based on the downlink control information, determines the channel access priority category based on the channel access priority category table, then accesses the channel with the preset channel access priority category, and then determines parameters such as the delay period, contention window size, and maximum COT.

[0353] Optionally, the transmitter determines, according to the downlink control information dynamic indication, that the channel access priority category table used by the currently transmitted PSCCH channel, PSSCH channel, and S-SS / PSBCH corresponds to the following Table 6.

[0354] Optionally, Table 6 includes 8 priority categories, which can be used to indicate the priority categories of unicast transmission and multicast transmission.

[0355] Optionally, different rows in Table 6 are used for unicast transmission and / or multicast transmission, respectively.

[0356] Table 6

[0357]

[0358] In Table 6, Channel Access Priority Class (p) is: channel access priority class; m p is: the delay parameter corresponding to the channel access priority category p; CW min,p is: the size of the minimum contention window for channel access priority class p; CW max,p is: the size of the maximum contention window for channel access priority category p; T mcot,p Channel access priority category p, the maximum time the frequency band can be occupied after LBT is successful; allowedCW p Sizes: Channel access priority category p, the size of the allowed contention window.

[0359] Optionally, the sender determines, according to the downlink control information dynamic indication, that the channel access priority category table used by the currently transmitted PSCCH channel, PSSCH channel, and S-SS / PSBCH corresponds to the following Table 7.

[0360] Table 7

[0361]

[0362]

[0363] In Table 7, Channel Access Priority Class (p) is: channel access priority class; m p is: the delay parameter corresponding to the channel access priority category p; CW min,p is: the size of the minimum contention window for channel access priority class p; CW max,p is: the size of the maximum contention window for channel access priority category p; T mcot,p Channel access priority category p, the maximum time the frequency band can be occupied after LBT is successful; allowedCW p Sizes: Channel access priority category p, the size of the allowed contention window.

[0364] Optionally, Table 7 contains 7 priority categories, which can be used to indicate the priority categories of unicast transmission and multicast transmission.

[0365] Optionally, different rows in Table 7 are used for unicast transmission and / or multicast transmission, respectively.

[0366] Optionally, if the services sent by the sender within the expected COT include multicast and / or broadcast services, the sender determines to adopt the specific channel access priority category p in the table according to the fourth decision rule, and then accesses the channel with the preset channel access priority category, and then determines the delay period, contention window size, maximum COT and other parameters.

[0367] If the services sent by the sender within the expected COT do not include multicast and / or broadcast services, the sender determines to adopt the specific channel access priority category p in the table according to the fifth decision rule, and then accesses the channel with the preset channel access priority category, and then determines the delay period, contention window size, maximum COT and other parameters.

[0368] Optionally, the fourth and / or fifth decision rule also includes the sender determining the channel access priority category p according to the logical channel corresponding to the sidelink physical data channel (PSSCH), for example, for voice services, its priority category is 1.

[0369] Optionally, the fourth and / or fifth decision rule further includes the sender determining the channel access priority category p according to a receiver identifier, such as a destination identifier, of the sidelink physical data channel.

[0370] Optionally, the fourth and / or fifth decision rule further includes the sender determining the channel access priority category p according to a sender identifier of the sidelink physical data channel, such as a source identifier.

[0371] Optionally, the fourth and / or fifth decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identifier and sender identifier of the side link physical data channel, for example, selecting the corresponding smaller priority category to determine the channel access priority category p.

[0372] Optionally, the fourth and / or fifth decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identifier and sender identifier of the side link physical data channel, for example, selecting the corresponding larger priority category to determine the channel access priority category p.

[0373] Optionally, if the number of receivers is greater than one, the priority of the receiver with the lowest priority among the receivers is selected to determine the priority category p.

[0374] Optionally, if the number of receivers is greater than one, the priority of the receiver with the highest priority among the receivers is selected to determine the priority category p.

[0375] Optionally, if the number of receivers is greater than one, a receiver is randomly selected and the priority category p is determined according to the priority of the receiver.

[0376] Optionally, the priority is PC5 5G QoS identifier (PQI).

[0377] Optionally, the priority is a near field communication per-packet priority (PPPP, ProSe per-packet priority), which is provided by a higher layer to a physical layer.

[0378] Optionally, there is a corresponding relationship between the priority category p and the per-packet priority (PPPP) of the near field communication.

[0379] As described above, the processing method of the present application, in response to meeting the preset conditions, determines the channel access priority category table according to the downlink control information, determines the channel access priority category according to the channel access priority category table, and accesses the channel with the preset channel access priority category. Since the present application clarifies accessing the channel with the preset channel access priority category in the SL-U system (determining the channel access priority category table according to the downlink control information, and determining the channel access priority category according to the channel access priority category table), it is more convenient to implement different physical channels, use different channel access priority categories, and implement different physical channels using different channel access parameters to access the unlicensed spectrum, thereby improving the utilization rate of the unlicensed spectrum.

[0380] In one embodiment, the processing method of the present application may also be at least one of the following:

[0381] In response to meeting the preset conditions, the channel access priority category of the physical side link feedback channel is determined according to the channel access priority category to which the corresponding physical side link data channel belongs, and the channel is accessed with the preset channel access priority category.

[0382] In response to a preset condition being met, a fixed preset value is determined as the channel access priority category of the physical side link feedback channel, and the channel is accessed with the preset channel access priority category.

[0383] In response to a preset condition being met, determining a channel access priority category of the physical sidelink feedback channel according to the priority of the corresponding sidelink physical data channel, and accessing the channel with the preset channel access priority category;

[0384] In response to meeting a preset condition, when at least two physical side link feedback channels are sent at the same physical side link feedback channel opportunity or at the same time slot, the channel access priority category of the transmitting terminal at the physical side link feedback channel opportunity or at the time slot is determined according to the physical side link feedback channel with a higher channel access priority category.

[0385] In response to meeting a preset condition, if at least two physical side link feedback channels start transmitting at the same time and / or symbol, the channel access priority category of the transmitting terminal at the same time and / or symbol of the physical side link feedback channel is determined based on the physical side link feedback channel with a higher channel access priority category.

[0386] Optionally, when the terminal device that is the execution subject of the processing method of the embodiment of the present application is ready to send a PSFCH channel (Physical Sidelink Feadback Channel), the sender needs to perform Type 1 channel access. Before performing Type 1 channel access, it is necessary to preset or determine the channel access priority category to access the channel, and then determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters. The above parameters are associated with the channel access priority category (CAPC). Therefore, if you want to determine parameters such as the delay period, contention window size, maximum COT (channel occupancy time), you need to determine the channel access priority category.

[0387] Optionally, the channel access priority category of the physical side link feedback channel is determined according to the channel access priority category to which the corresponding physical side link data channel belongs.

[0388] Optionally, the channel access priority category to which the corresponding physical side link data channel belongs is determined based on one of the service type contained in the sending channel; downlink control information; the type of sending channel; the logical channel corresponding to the physical side link data channel; the receiver identifier of the physical side link data channel; the sender identifier of the physical side link data channel; the receiver identifier and sender identifier of the physical side link data channel; the number of receivers; and the per-packet priority PPPP of near-field communication, and then, the channel access priority category of the physical side link feedback channel is determined accordingly.

[0389] Optionally, the channel access priority category to which the corresponding physical side link data channel belongs is determined based on multiple items including the service type contained in the sending channel; downlink control information; the type of sending channel; the logical channel corresponding to the physical side link data channel; the receiver identifier of the physical side link data channel; the sender identifier of the physical side link data channel; the receiver identifier and sender identifier of the physical side link data channel; the number of receivers; and the per-packet priority PPPP of near-field communication, and then, the channel access priority category of the physical side link feedback channel is determined accordingly.

[0390] Optionally, if the channel access priority category of the corresponding physical side link data channel is 1, the channel access priority category of the physical side link feedback channel is determined to be 1; if the channel access priority category of the corresponding physical side link data channel is 2, the channel access priority category of the physical side link feedback channel is determined to be 2; if the channel access priority category of the corresponding physical side link data channel is 3, the channel access priority category of the physical side link feedback channel is determined to be 3; if the channel access priority category of the corresponding physical side link data channel is 4, the channel access priority category of the physical side link feedback channel is determined to be 4.

[0391] Optionally, determining a fixed preset value as a channel access priority category of the physical side link feedback channel;

[0392] Optionally, the channel access priority category of the PSFCH is fixed to a fixed value, for example, a fixed value of 1.

[0393] Optionally, the channel access priority category of the physical side link feedback channel is determined according to the priority of the corresponding side link physical data channel, that is, the channel access priority category of the physical side link feedback channel is equivalent to the priority of the corresponding PSSCH channel.

[0394] Optionally, the priority is PC5 5G QoS identifier (PQI).

[0395] Optionally, there is a corresponding relationship between the channel access priority category of the PSSCH channel and the per-packet priority (PPPP) of the near field communication.

[0396] Optionally, a per-packet priority (PPP, ProSe per-packet priority) of near field communication is provided by a higher layer to the physical layer.

[0397] Optionally, when at least two physical side link feedback channels are sent at the same physical side link feedback channel opportunity or at the same time slot, the channel access priority category of the transmitting terminal at the physical side link feedback channel opportunity or at the time slot is determined based on the physical side link feedback channel with a higher channel access priority category.

[0398] Optionally, if at least two physical side link feedback channels start transmitting at the same time and / or symbol, the channel access priority category of the transmitting terminal at the same time and / or symbol of the physical side link feedback channel is determined based on the physical side link feedback channel with a higher channel access priority category.

[0399] As described above, since the technical solution of the present application can determine the channel access priority category of the physical side link feedback channel according to the channel access priority category to which the corresponding physical side link data channel belongs, and access the channel with the preset channel access priority category, it is more convenient to implement different physical channels, use different channel access priority categories, and implement different physical channels using different channel access parameters to access the unlicensed spectrum, thereby ensuring that high-priority services have priority access to the unlicensed spectrum and improving the utilization rate of the unlicensed spectrum.

[0400] The present application also provides a processing method, including:

[0401] A10: Send downlink control information so that the terminal device uses the downlink control information to determine the channel access priority category and access the channel with the preset channel access priority category.

[0402] Optionally, the processing method of the present application is applied to a network device, which sends downlink control information so that the terminal device uses the downlink control information to determine the channel access priority category and access the channel with a preset channel access priority category.

[0403] And / or, the network device sends downlink control information so that the terminal device uses the downlink control information to determine the channel access priority category table, and then determines the channel access priority category based on the channel access priority category table, and accesses the channel with the preset channel access priority category.

[0404] Optionally, the terminal device directly indicates the channel access priority category according to the bit information in the downlink control information or the newly added index information in the table indicated by the downlink control information, and accesses the channel with the preset channel access priority category.

[0405] Optionally, the terminal device indicates the channel access priority category based on the downlink control information and other information, and accesses the channel with a preset channel access priority category.

[0406] Optionally, the terminal device indicates a corresponding channel access priority category based on the downlink control information and the service type included in the sending channel, and accesses the channel with a preset channel access priority category.

[0407] Optionally, the terminal device indicates a channel access priority category based on the downlink control information and the receiver identifier of the physical side link data channel, and accesses the channel with a preset channel access priority category.

[0408] Optionally, at least one of the following is also included:

[0409] The terminal device determines the channel access priority category table according to the bit information in the downlink control information, and accesses the channel with the preset channel access priority category;

[0410] The terminal device determines the channel access priority category table according to the newly added column information in the table indicated by the downlink control information, and accesses the channel with the preset channel access priority category;

[0411] The terminal device determines the channel access priority category table according to the newly added index information in the table indicated by the downlink control information, and accesses the channel with the preset channel access priority category;

[0412] The table indicated by the downlink control information is configured according to RRC signaling, and accesses the channel with a preset channel access priority category.

[0413] Optionally, an extra 1 bit is added to the downlink control information to indicate a channel access priority category table, and the channel is accessed with a preset channel access priority category.

[0414] Optionally, a column is added to the table indicated by the downlink control information, where the column is used to indicate a channel access priority category table, and the channel is accessed with a preset channel access priority category.

[0415] Optionally, the terminal device determines the channel access priority category table according to the newly added index information in the table indicated by the downlink control information, and accesses the channel with the preset channel access priority category.

[0416] Optionally, the number of rows in the table is increased to distinguish different channel access priority categories (CAPCs). For example, if the first 43 rows indicate that the channel access priority category table is Table 1, the last 43 rows indicate that the channel access priority category table is Table 2.

[0417] Optionally, the table indicated by the downlink control information is configured according to RRC signaling. Optionally, the RRC signaling configuration is determined according to a higher layer.

[0418] Optionally, after the terminal device determines the channel access priority category table, it determines the channel access priority category according to the sixth decision rule.

[0419] Optionally, the sixth decision rule includes the sender determining the channel access priority category p based on the logical channel corresponding to the sidelink physical data channel (PSSCH). For example, for voice services, the channel access priority category p is 1. Optionally, the sixth decision rule also includes the sender determining the channel access priority category p based on the receiver identifier of the sidelink physical data channel, such as the destination identifier. Optionally, the sixth decision rule also includes the sender determining the channel access priority category p based on the sender identifier of the sidelink physical data channel, such as the source identifier. Optionally, the sixth decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identifier and the sender identifier of the sidelink physical data channel. For example, the sixth decision rule selects the smaller priority category between the receiver identifier and the sender identifier to determine the channel access priority category p. Optionally, the sixth decision rule includes the sender jointly determining the channel access priority category p based on the receiver identifier and the sender identifier of the sidelink physical data channel. For example, the sixth decision rule selects the larger priority category between the receiver identifier and the sender identifier to determine the channel access priority category p. Optionally, if the number of receivers is greater than 1, the priority of the receiver with the lowest priority among the receivers is selected to determine the priority category p. Optionally, if the number of receivers is greater than 1, the sixth decision rule selects the priority of the receiver with the highest priority among the receivers to determine the priority category p. Optionally, if the number of receivers is greater than 1, the sixth decision rule randomly selects a receiver and determines the priority category p based on the priority of the receiver. Optionally, the priority is a PC5 5G QoS identifier. Optionally, there is a correspondence between the priority category p and the per-packet priority (PPPP) of the near field communication. Optionally, the priority is the per-packet priority (PPP, ProSe per-packet priority) of the near field communication, and the per-packet priority is provided to the physical layer by the upper layer. After determining the channel access priority category p, the channel is accessed with the preset channel access priority category, and the parameters such as the delay period, contention window size, and maximum COT are determined according to the above Table 1.

[0420] Optionally, the sixth decision rule includes determining the channel access priority category p according to the downlink control information, then accessing the channel with the preset channel access priority category, and then determining the delay period, contention window size, maximum COT and other parameters according to the above Table 1.

[0421] Optionally, the terminal device determines the channel access priority category p based on the bit information in the downlink control information, and then determines parameters such as the delay period, contention window size, and maximum COT. Optionally, the terminal device determines the channel access priority category p based on the newly added column information in the table indicated by the downlink control information, and then determines parameters such as the delay period, contention window size, and maximum COT. Optionally, the terminal device determines the channel access priority category p based on the newly added index information in the table indicated by the downlink control information, and then determines parameters such as the delay period, contention window size, and maximum COT. Optionally, the channel access priority category p indicated by the downlink control information is configured according to RRC signaling.

[0422] As described above, in the processing method of the present application, the network device sends downlink control information so that the terminal device uses the downlink control information to determine the channel access priority category and / or determine the channel access priority category table, and then access the channel with the preset channel access priority category. Since the technical solution of the present application can determine the channel access priority category based on the downlink control information, it is more convenient to implement different physical channels, use different channel access priority categories, and then access the channel with the preset channel access priority category. This improves the utilization rate of the unlicensed spectrum.

[0423] Please refer to Figure 7, which is a schematic diagram of the structure of a communication device provided in an embodiment of the present application. The device can be installed on the sender in the above method embodiment, and the sender can specifically be a mobile terminal. The communication device shown in Figure 7 can be used to perform some or all of the functions of the method embodiments described in Figures 3, 4, and 6 above. The detailed description of each unit is as follows:

[0424] An acquisition unit 1101 is configured to determine a preset condition;

[0425] The processing unit 1102 is configured to access a channel with a preset channel access priority category in response to a preset condition being met.

[0426] Optionally, the satisfying of the preset condition includes at least one of the following:

[0427] The physical channels used for transmission are different;

[0428] The types of services included in the sending channels are different;

[0429] There are different recipients;

[0430] There are different senders;

[0431] Channel priorities are different.

[0432] Optionally, the sent physical channel further includes at least one of the following:

[0433] Sending physical side link control channel;

[0434] Send physical side link data channel;

[0435] Sending physical side link feedback channel;

[0436] Send physical side link synchronization information block.

[0437] Optionally, the type of services included in the sending channel further includes at least one of the following:

[0438] The types of services included in the sending channel include broadcast or multicast;

[0439] The types of services included in the sending channel include unicast;

[0440] The types of services included in the transmission channel include unicast, broadcast and multicast.

[0441] Optionally, the processing unit 1102 is configured to implement:

[0442] Determining the channel access priority category according to the type of service included in the sending channel;

[0443] Determining the channel access priority category according to downlink control information or the type of the transmission channel;

[0444] Determining the channel access priority category according to the logical channel corresponding to the physical side link data channel;

[0445] Determining the channel access priority category according to a receiver identifier of the physical side link data channel;

[0446] Determining the channel access priority category according to a sender identifier of a physical side link data channel;

[0447] Determining the channel access priority category jointly according to a receiver identifier and a sender identifier of a physical side link data channel;

[0448] Determining the channel access priority category according to the number of receivers;

[0449] Determining the channel access priority category based on a per-packet priority PPPP of near field communication;

[0450] Determine the channel access priority category based on the PC5 5G QoS identifier value.

[0451] The processing unit 1102 is configured to implement:

[0452] If the type of service included in the sending channel includes broadcast and / or multicast, using the first set of channel access priority categories to determine the channel access priority category; and / or,

[0453] If the type of the service included in the sending channel is unicast, the second set of channel access priority categories is used to determine the channel access priority category.

[0454] Optionally, the processing unit 1102 is configured to implement:

[0455] The first set of channel access priority categories and the second set of channel access priority categories belong to different channel access priority category tables;

[0456] The first set channel access priority category and the second set channel access priority category belong to different elements in the same channel access priority category table.

[0457] Optionally, the processing unit 1102 is configured to implement:

[0458] A channel access priority category table is determined according to downlink control information, and the channel access priority category is determined according to the channel access priority category table.

[0459] Optionally, the processing unit 1102 is configured to implement:

[0460] Determining the channel access priority category table according to bit information in the downlink control information;

[0461] Determining the channel access priority category table according to the newly added column information in the table indicated by the downlink control information;

[0462] Determining the channel access priority category table according to the newly added index information in the table indicated by the downlink control information;

[0463] The table indicated by the downlink control information is configured according to RRC signaling.

[0464] Optionally, the processing unit 1102 is configured to implement:

[0465] In response to transmitting a physical sidelink data channel, determining the channel access priority category;

[0466] determining the channel access priority class in response to transmitting a physical sidelink control channel;

[0467] In response to sending a physical sidelink feedback channel, determining the channel access priority category;

[0468] The channel access priority class is determined in response to a sidelink synchronization broadcast information block.

[0469] Optionally, the processing unit 1102 is configured to implement:

[0470] Determining a channel access priority category of the physical side link feedback channel according to a channel access priority category to which a corresponding physical side link data channel belongs;

[0471] Determining a fixed preset value as a channel access priority category of the physical side link feedback channel;

[0472] Determining a channel access priority category of the physical sidelink feedback channel according to the priority of the corresponding sidelink physical data channel;

[0473] When at least two physical side link feedback channels are transmitted on the same physical side link feedback channel opportunity or in the same time slot, determining the channel access priority category of the transmitting terminal on the physical side link feedback channel opportunity or in the time slot according to the physical side link feedback channel with a higher channel access priority category;

[0474] If at least two physical side link feedback channels start transmitting at the same time and / or symbol, the channel access priority category of the transmitting terminal at the same time and / or symbol of the physical side link feedback channel is determined according to the physical side link feedback channel with a higher channel access priority category.

[0475] Optionally, the processing module is used to implement:

[0476] If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the lowest priority;

[0477] If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the highest priority;

[0478] If the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the randomly selected receiver.

[0479] Optionally, the processing unit 1102 is configured to implement:

[0480] Determine a minimum channel access priority category based on the receiver identifier and the sender identifier as the channel access priority category;

[0481] A maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.

[0482] Optionally, the processing unit 1102 is configured to implement:

[0483] At least one parameter among a delay period, a contention allowed window size, and a maximum channel occupancy time is determined.

[0484] According to one embodiment of the present application, some of the steps involved in the image processing method shown in Figures 3, 4 and 6 can be performed by the various modules in the image communication device shown in Figure 7. The various units in the image communication device shown in Figure 7 can be individually or completely merged into one or several other modules to form a structure, or one (or some) of the modules can be further divided into multiple functionally smaller units to form a structure, which can achieve the same operation without affecting the realization of the technical effects of the embodiments of the present application. The above-mentioned units are divided based on logical functions. In actual applications, the functions of one module can also be implemented by multiple modules, or the functions of multiple modules can be implemented by one module. In other embodiments of the present application, the image communication device may also include other modules. In actual applications, these functions can also be implemented with the assistance of other modules, and can be implemented by the collaboration of multiple modules.

[0485] Please refer to Figure 8, which is a schematic diagram of the structure of another communication device provided in an embodiment of the present application. The present application also provides a communication terminal, wherein the mobile terminal includes a memory 1201, a processor 1202, and a processing program stored in the memory 1201 and executable on the processor 1202, wherein the processing program, when executed by the processor, implements the steps of the processing method in any of the above embodiments.

[0486] An embodiment of the present application also provides a communication device, comprising: a memory, a processor, and a processing program stored in the memory and executable on the processor, wherein the processing program implements the steps of any of the above processing methods when executed by the processor.

[0487] The communication device in this application can be a terminal device (such as a mobile phone) or a network device (such as a base station). The specific reference needs to be clarified based on the context.

[0488] An embodiment of the present application further provides a storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the processing method in any of the above embodiments are implemented.

[0489] In the embodiments of the mobile terminal and storage medium provided in this application, all technical features of the embodiments of the above-mentioned processing method are included. The expansion and explanation content of the specification are basically the same as those of the embodiments of the above-mentioned call note method, and will not be repeated here.

[0490] An embodiment of the present application further provides a computer program product, which includes computer program code. When the computer program code runs on a computer, the computer executes the methods in the various possible implementation modes described above.

[0491] An embodiment of the present application also provides a chip, including a memory and a processor, wherein the memory is used to store computer programs, and the processor is used to call and run the computer programs from the memory, so that a device equipped with the chip executes the methods in the various possible implementation modes as described above.

[0492] The embodiments of the present application also provide a computer device for executing the methods in the various possible implementations described above.

[0493] A computing device generally includes a processor and a memory. The memory is used to store instructions. When the instructions are executed by the processor, the computing device executes the steps or program modules of the present invention.

[0494] FIG9 is a schematic diagram of the hardware structure of a controller 140 provided in this application. The controller 140 includes a memory 1401 and a processor 1402. The memory 1401 is used to store program instructions, and the processor 1402 is used to call the program instructions in the memory 1401 to execute the steps performed by the controller in the above method embodiment. The implementation principles and beneficial effects are similar and will not be repeated here.

[0495] Optionally, the controller further includes a communication interface 1403, which can be connected to the processor 1402 via a bus 1404. The processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.

[0496] Figure 10 is a schematic diagram of the hardware structure of a network node 150 provided in this application. The network node 150 includes a memory 1501 and a processor 1502. The memory 1501 is used to store program instructions, and the processor 1502 is used to call the program instructions in the memory 1501 to execute the steps performed by the first node in the above method embodiment. The implementation principles and beneficial effects are similar and will not be repeated here.

[0497] Optionally, the network node further includes a communication interface 1503, which can be connected to the processor 1502 via a bus 1504. The processor 1502 can control the communication interface 1503 to implement the receiving and sending functions of the network node 150.

[0498] The integrated modules implemented in the form of software function modules can be stored in a computer-readable storage medium. The software function modules stored in a storage medium include a number of instructions for causing a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute some of the steps of the methods of various embodiments of the present application.

[0499] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When software is used for implementation, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function according to the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a storage medium or transmitted from one storage medium to another storage medium. For example, the computer instructions can be transmitted from a website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrations. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state drive solid state disk, SSD), etc.

[0500] The serial numbers of the above embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0501] In this application, the same or similar terminology, technical solutions and / or application scenario descriptions are generally only described in detail the first time they appear. When they appear again later, they are generally not repeated for the sake of brevity. When understanding the technical solutions and other contents of this application, for the same or similar terminology, technical solutions and / or application scenario descriptions that are not described in detail later, you can refer to the previous relevant detailed descriptions.

[0502] In this application, the description of each embodiment has its own focus. For parts that are not described or recorded in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0503] The various technical features of the technical solution of this application can be combined arbitrarily. In order to make the description concise, not all possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this application.

[0504] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus the necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as mentioned above, and includes a number of instructions for enabling a terminal device (which can be a mobile phone, computer, server, controlled terminal, or network device, etc.) to execute the method of each embodiment of the present application.

[0505] The above are only preferred embodiments of the present application and do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A processing method, wherein: include: In response to a preset condition being met, accessing a channel with a preset channel access priority category.

2. The method according to claim 1, wherein The predetermined condition includes at least one of the following: The physical channels used for transmission are different; The types of services included in the sending channels are different; There are different recipients; There are different senders; Channel priorities are different.

3. The method according to claim 2, wherein: The physical channel for transmission further includes at least one of the following: Sending physical side link control channel; Send physical side link data channel; Sending physical side link feedback channel; Send physical side link synchronization information block.

4. The method according to claim 2, wherein: The types of services included in the sending channel also include at least one of the following: The types of services included in the sending channel include broadcast or multicast; The types of services included in the sending channel include unicast; The types of services included in the transmission channel include unicast, broadcast and multicast.

5. The method according to claim 1, wherein The method for determining the preset channel access priority category includes at least one of the following: Determining the channel access priority category according to the type of service included in the sending channel; Determining the channel access priority category according to downlink control information or the type of the transmission channel; Determining the channel access priority category according to the logical channel corresponding to the physical side link data channel; Determining the channel access priority category according to a receiver identifier of the physical side link data channel; Determining the channel access priority category according to a sender identifier of a physical side link data channel; Determining the channel access priority category jointly according to a receiver identifier and a sender identifier of a physical side link data channel; Determining the channel access priority category according to the number of receivers; Determining the channel access priority category based on a per-packet priority PPPP of near field communication; Determine the channel access priority category based on the PC5 5G QoS identifier value.

6. The method according to claim 5, wherein: Also include at least one of the following: If the type of service included in the sending channel includes broadcast and / or multicast, using the first set of channel access priority categories to determine the channel access priority category; If the type of the service included in the sending channel is unicast, the second set of channel access priority categories is used to determine the channel access priority category.

7. The method according to claim 6, wherein: Also include at least one of the following: The first set of channel access priority categories and the second set of channel access priority categories belong to different channel access priority category tables; The first set channel access priority category and the second set channel access priority category belong to different elements in the same channel access priority category table.

8. The method of claim 5, wherein: Also include at least one of the following: A channel access priority category table is determined according to downlink control information, and the channel access priority category is determined according to the channel access priority category table.

9. The method of claim 8, wherein: The table indicated by the downlink control information is configured according to RRC signaling; and / or the table of channel access priority categories determined according to the downlink control information further includes at least one of the following: Determining the channel access priority category table according to bit information in the downlink control information; Determining the channel access priority category table according to the newly added column information in the table indicated by the downlink control information; The channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information.

10. The method of claim 5, wherein: Also include at least one of the following: In response to transmitting a physical sidelink data channel, determining the channel access priority category; determining the channel access priority class in response to transmitting a physical sidelink control channel; In response to sending a physical sidelink feedback channel, determining the channel access priority category; The channel access priority class is determined in response to sending a physical sidelink synchronization information block.

11. The method according to claim 10, wherein: Also include at least one of the following: Determining a channel access priority category of the physical side link feedback channel according to a channel access priority category to which a corresponding physical side link data channel belongs; Determining a fixed preset value as a channel access priority category of the physical side link feedback channel; Determining a channel access priority category of the physical sidelink feedback channel according to the priority of the corresponding sidelink physical data channel; When at least two physical side link feedback channels are transmitted on the same physical side link feedback channel opportunity or in the same time slot, determining the channel access priority category of the transmitting terminal on the physical side link feedback channel opportunity or in the time slot according to the physical side link feedback channel with a higher channel access priority category; If at least two physical side link feedback channels start transmitting at the same time and / or symbol, the channel access priority category of the transmitting terminal at the same time and / or symbol of the physical side link feedback channel is determined according to the physical side link feedback channel with a higher channel access priority category.

12. The processing method according to claim 5, wherein: Also include at least one of the following: If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the lowest priority; If the number of receivers is greater than 1, determining the channel access priority category according to the priority of the receiver with the highest priority; If the number of receivers is greater than 1, the channel access priority category is determined according to the priority of the randomly selected receiver.

13. The method of claim 5, wherein: The jointly determining the channel access priority category according to the receiver identifier and the sender identifier of the physical side link data channel further includes at least one of the following: Determine a minimum channel access priority category based on the receiver identifier and the sender identifier as the channel access priority category; A maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.

14. The method of claim 5, wherein: Also include at least one of the following: Determine the channel access priority category based on the resource type corresponding to the PC5 5G QoS identifier value; Determine the channel access priority category based on the default priority corresponding to the PC5 5G QoS identifier value; Determine the channel access priority category based on the packet error rate corresponding to the PC5 5G QoS identifier value; The channel access priority category is determined based on the packet delay budget corresponding to the PC5 5G QoS identifier value.

15. The method of claim 1, wherein: The method further comprises: At least one parameter among a delay period, a contention allowed window size, and a maximum channel occupancy time is determined.

16. A processing method, wherein: include: Downlink control information is sent so that the terminal device uses the downlink control information to determine the channel access priority category and access the channel with the preset channel access priority category.

17. The method of claim 16, wherein: The table indicated by the downlink control information is configured according to RRC signaling; and / or the step of sending the downlink control information so that the terminal device determines the channel access priority category using the downlink control information includes at least one of the following: The terminal device directly indicates the channel access priority category according to the bit information in the downlink control information or the newly added index information in the table indicated by the downlink control information; The terminal device indicates the channel access priority category based on the downlink control information and other information; The terminal device indicates the corresponding channel access priority category based on the downlink control information and the service type included in the sending channel; The terminal device indicates the channel access priority category based on the downlink control information and the receiver identifier of the physical side link data channel; The terminal device determines the channel access priority category table according to the bit information in the downlink control information, and determines the channel access priority category according to the sixth decision rule; The terminal device determines the channel access priority category table according to the newly added column information in the table indicated by the downlink control information, and determines the channel access priority category according to the sixth decision rule; The terminal device determines the channel access priority category table according to the newly added index information in the table indicated by the downlink control information, and determines the channel access priority category according to the sixth decision rule.

18. A communication device, wherein: include: A memory and a processor, wherein a computer program is stored on the memory, and when the computer program is executed by the processor, the steps of the processing method according to claim 1 or 16 are implemented.

19. A storage medium, wherein: The storage medium stores a computer program, which, when executed by a processor, implements the steps of the processing method according to claim 1 or 16.

Images