WO2024050835A1 - 处理方法、通信设备及存储介质 - Google Patents
处理方法、通信设备及存储介质 Download PDFInfo
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- WO2024050835A1 WO2024050835A1 PCT/CN2022/118209 CN2022118209W WO2024050835A1 WO 2024050835 A1 WO2024050835 A1 WO 2024050835A1 CN 2022118209 W CN2022118209 W CN 2022118209W WO 2024050835 A1 WO2024050835 A1 WO 2024050835A1
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- channel
- channel access
- access priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
- H04W74/0875—Non-scheduled access, e.g. ALOHA using a dedicated channel for access with assigned priorities based access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
Definitions
- This application relates to the field of communication technology, and specifically to a processing method, communication equipment and storage medium.
- SL-U sidelink-unlicense
- the sender of the signal needs to meet the usage rules of the unlicensed frequency band.
- the sender needs to monitor whether the frequency band is occupied (or idle) before sending a signal. If the frequency band is not occupied (or idle), the sender can send the signal.
- SL-U sidelink-unlicense
- this application provides a processing method, communication equipment and storage medium, aiming to solve the problem of using the same channel access priority category for different physical channels in the SL-U system to realize different physical channels Using the same channel access parameters to access unlicensed spectrum results in a technical problem of low utilization of unlicensed spectrum.
- this application provides a processing method, which can be applied to terminal devices (such as mobile phones), including:
- Step S10 In response to satisfying the preset condition, access the channel category with the preset channel access priority category.
- satisfying the preset conditions includes at least one of the following:
- the physical channels sent are different;
- the types of services included in the transmission channel are different;
- the physical channel sent also includes at least one of the following:
- the type of services contained in the transmission channel also includes at least one of the following:
- the types of services contained in the transmission 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.
- the method for determining the preset channel access priority category includes at least one of the following:
- the method further includes at least one of the following:
- the second set of channel access priority categories is used to determine the channel access priority category.
- the method further includes at least one of the following:
- the first set of channel access priority categories and the second set of channel access priority categories respectively belong to different channel access priority category tables
- the first set of channel access priority categories and the second set of channel access priority categories belong to different elements in the same channel access priority category table.
- the method also includes at least one of the following:
- a channel access priority category table is determined based on the downlink control information, and the channel access priority category is determined based on the channel access priority category table.
- the table indicated by the downlink control information is configured according to RRC signaling; and/or the channel access priority category table type determined according to the downlink control information includes at least one of the following:
- the channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information.
- the method also includes at least one of the following:
- the channel access priority category is determined in response to a sidelink synchronization broadcast information block.
- the method also includes at least one of the following:
- the sending terminal is determined based on the physical side link feedback channel with a higher channel access priority category. Physical side link feedback channel timing or channel access priority category on this time slot;
- the sending terminal determines where the physical side link feedback channel is based on the physical side link feedback channel with a higher channel access priority category. Channel access priority categories at the same time and/or symbol.
- processing method also includes at least one of the following:
- the channel access priority category is determined according to the priority of the randomly selected receiver.
- the joint determination of the channel access priority category based on the receiver identification and the sender identification of the physical side link data channel also includes at least one of the following:
- the maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.
- processing method also includes at least one of the following:
- the channel access priority category is determined based on the packet delay budget corresponding to the PC5 5G QoS identifier value.
- the method further includes: determining at least one parameter among a delay period, an allowed contention window size, and a maximum channel occupancy time.
- This application also provides a processing method that can be applied to network equipment (such as base stations). Referring to Figure 6, it includes:
- 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.
- 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 uses the downlink control information to determine the channel access priority category, also Include at least one of the following:
- the terminal equipment determines the channel access priority category table according to the bit information in the downlink control information
- 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;
- 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.
- the table indicated by the downlink control information is configured according to RRC signaling.
- This application also provides a communication device, including: a memory, a processor, and a processing program stored on the memory and executable on the processor.
- a processing program stored on the memory and executable on the processor.
- 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).
- a terminal device such as a mobile phone
- a network device such as a base station
- This application also provides a storage medium, a computer program is stored on the storage medium, and when the computer program is executed by a processor, the steps of the processing method described in any one of the above are implemented.
- This application also provides a communication device, wherein the communication device includes:
- a processing module configured to access the channel in a preset channel access priority category in response to satisfying the preset condition.
- satisfying the preset conditions includes at least one of the following:
- the physical channels sent are different;
- the types of services included in the transmission channel are different;
- the physical channel sent also includes at least one of the following:
- the type of services contained in the transmission channel also includes at least one of the following:
- the types of services contained in the transmission 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.
- the method for determining the channel access priority category includes at least one of the following:
- processing module is used to implement:
- the second set of channel access priority categories is used to determine the channel access priority category.
- processing module is used to implement:
- the first set of channel access priority categories and the second set of channel access priority categories respectively belong to different channel access priority category tables
- the first set of channel access priority categories and the second set of channel access priority categories belong to different elements in the same channel access priority category table.
- processing module is used to implement:
- a channel access priority category table is determined based on the downlink control information, and the channel access priority category is determined based on the channel access priority category table.
- the table indicated by the downlink control information is configured according to RRC signaling; and/or, the processing module is used to implement:
- the channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information.
- the table indicated by the downlink control information is configured according to RRC signaling.
- processing module is used to implement:
- the channel access priority category is determined in response to a sidelink synchronization broadcast information block.
- processing module is used to implement:
- the sending terminal is determined based on the physical side link feedback channel with a higher channel access priority category. Physical side link feedback channel timing or channel access priority category on this time slot;
- the sending terminal determines where the physical side link feedback channel is based on the physical side link feedback channel with a higher channel access priority category. Channel access priority categories at the same time and/or symbol.
- processing module is used to implement:
- the channel access priority category is determined according to the priority of the randomly selected receiver.
- processing module is used to implement:
- the maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.
- processing module is used to implement:
- the channel access priority category is determined based on the packet delay budget corresponding to the PC5 5G QoS identifier value.
- the processing module is configured to determine at least one parameter among a delay period, an allowed contention window size, and a maximum channel occupancy time.
- the processing method of the present application in response to meeting the preset conditions, accesses the channel with the preset channel access priority category. Since this application clarifies the channel access priority categories in the SL-U system, different physical channels can use different channel access priority categories, and different physical channels can use different channel access parameters to access non-standard channels. Licensed spectrum, thereby improving the utilization of unlicensed spectrum.
- Figure 1 is a schematic diagram of the hardware structure of a mobile terminal that implements various embodiments of the present application provided by an embodiment of the present application;
- FIG. 2 is a communication network system architecture diagram provided by an embodiment of the present application.
- Figure 3 is a schematic flow chart of an embodiment of the processing method provided by the embodiment of the present application.
- FIG. 4 is a detailed flowchart of step S10 of an embodiment of the processing method provided by the embodiment of the present application.
- Figure 5 is a schematic diagram of the distribution of N idle channels in a random backoff contention window provided by the embodiment of the present application.
- FIG. 6 is a schematic flowchart of another embodiment of the processing method provided by the embodiment of the present application.
- Figure 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- Figure 8 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
- Figure 9 is a schematic diagram of the hardware structure of a controller 140 provided by an embodiment of the present application.
- Figure 10 is a schematic diagram of the hardware structure of a network node 150 provided by an embodiment of the present application.
- first, second, third, etc. may be used herein to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
- first information may also be called second information, and similarly, the second information may also be called first information.
- word “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
- singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context indicates otherwise.
- 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"; another example is, “ 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". Exceptions to this definition occur only when the combination of elements, functions, steps, or operations is inherently mutually exclusive in some manner.
- each step in the flow chart in the embodiment of the present application is displayed in sequence as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated in this article, the execution of these steps is not strictly limited in order, and they can be executed in other orders. Moreover, at least some of the steps in the figure may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same time, but may be executed at different times, and their execution order is not necessarily sequential. may be performed in turn or alternately with other steps or sub-steps of other steps or at least part of stages.
- the words “if” or “if” as used herein may be interpreted as “when” or “when” or “in response to determination” or “in response to detection.”
- the phrase “if determined” or “if (stated condition or event) is detected” may be interpreted as “when determined” or “in response to determining” or “when (stated condition or event) is detected )” or “in response to detecting (a stated condition or event)”.
- step codes such as S11 and S12 are used for the purpose of describing the corresponding content more clearly and concisely, and do not constitute a substantial restriction on the sequence. Those skilled in the art may S12 will be executed first and then S11, etc., but these should be within the protection scope of this application.
- Terminal devices can be implemented in various forms.
- the terminal devices described in this application may include mobile phones, tablet computers, notebook computers, PDAs, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, Mobile terminals with wireless communication functions such as wearable devices, smart bracelets, and pedometers, as well as fixed terminals with wireless communication functions such as digital TVs and desktop computers.
- a mobile terminal will be taken as an example.
- the structure according to the embodiments of the present application can also be applied to fixed-type terminals.
- FIG. 1 is a schematic diagram of the hardware structure of a mobile terminal that implements various embodiments of the present application provided by an embodiment of the present application.
- the mobile terminal 100 may include: an RF (Radio Frequency, radio frequency) unit 101, a WiFi module 102, Audio output unit 103, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111 and other components.
- RF Radio Frequency, radio frequency
- the radio frequency unit 101 can be used to receive and send information or signals during a call. Specifically, after receiving the downlink information of the base station, it is processed by the processor 110; in addition, the uplink data is sent to the base station.
- the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
- the radio frequency unit 101 can also communicate with the network and other devices through wireless communication.
- the above wireless communication can use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication, Global Mobile Communications System), GPRS (General Packet Radio Service, General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000 , Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division) Duplexing-Long Term Evolution, Frequency Division Duplex Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution, Time Division Duplex Long Term Evolution), NR (New Radio, 5G) and 6G (6th generation mobile networks, 6th generation wireless systems, sixth generation mobile communication technology), etc.
- GSM Global System of Mobile communication, Global Mobile Communications System
- GPRS General Packet Radio Service, General Packet Radio Service
- CDMA2000 Code Division Multiple Access 2000 , Code Division Multiple
- WiFi is a short-distance wireless transmission technology.
- the mobile terminal can help users send and receive emails, browse web pages, access streaming media, etc. through the WiFi module 102. It provides users with wireless broadband Internet access.
- the WiFi module 102 is shown in Figure 1, it can be understood that it is not a necessary component of the mobile terminal and can be omitted as needed without changing the essence of the application.
- the audio output unit 103 may, when the mobile terminal 100 is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, etc., receive the audio signal received by the radio frequency unit 101 or the WiFi module 102 or store it in the memory 109 The audio data is converted into audio signals and output as sound. Furthermore, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (eg, call signal reception sound, message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, or the like.
- the A/V input unit 104 is used to receive audio or video signals.
- the A/V input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042.
- the graphics processor 1041 can process still pictures or images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Video image data is processed.
- the processed image frames may be displayed on the display unit 106.
- the image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage media) or sent via the radio frequency unit 101 or WiFi module 102.
- the microphone 1042 can receive sounds (audio data) via the microphone 1042 in operating modes such as a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sounds into audio data.
- the processed audio (voice) data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 101 for output in a phone call mode.
- Microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to eliminate (or suppress) noise or interference generated in the process of receiving and transmitting audio signals.
- the mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light.
- the proximity sensor can turn off the display when the mobile terminal 100 moves to the ear. Panel 1061 and/or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three axes). It can detect the magnitude and direction of gravity when stationary.
- It can be used to identify applications of mobile phone posture (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone, it can also be configured with fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, Other sensors such as thermometers and infrared sensors will not be described in detail here.
- 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.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 107 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the mobile terminal.
- 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 the user's touch operations on or near the touch panel 1071 (for example, the user uses a finger, stylus, or any suitable object or accessory on or near the touch panel 1071 operation), and drive the corresponding connection device according to the preset program.
- the touch panel 1071 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the user's touch orientation, detects the signal brought 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 contact point coordinates , and then sent to the processor 110, and can receive the commands sent by the processor 110 and execute them.
- the touch panel 1071 can be implemented using various types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 107 may also include other input devices 1072.
- other input devices 1072 may include but are not limited to one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, etc., which are not specifically discussed here. limited.
- the touch panel 1071 can cover the display panel 1061.
- the touch panel 1071 detects a touch operation on or near it, it is transmitted to the processor 110 to determine the type of the touch event, and then the processor 110 determines the type of the touch event according to the touch event.
- the type provides corresponding visual output on the display panel 1061.
- the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated. The implementation of the input and output functions of the mobile terminal is not limited here.
- the interface unit 108 serves as an interface through which at least one external device can be connected to the mobile terminal 100 .
- external devices may include a wired or wireless headphone port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
- the interface unit 108 may be used to receive input (eg, 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 connect between the mobile terminal 100 and an external device. Transfer data between devices.
- Memory 109 may be used to store software programs as well as various data.
- the memory 109 may mainly include a storage program area and a storage data area.
- the storage program area may store an operating system, an application program required for at least one function (such as a sound playback function, an image playback function, etc.), etc.;
- the storage data area may Store data created based on the use of the mobile phone (such as audio data, phone book, etc.), etc.
- memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
- the processor 110 is the control center of the mobile terminal, using various interfaces and lines to connect various parts of the entire mobile terminal, by running or executing software programs and/or modules stored in the memory 109, and calling data stored in the memory 109 , execute various functions of the mobile terminal and process data, thereby overall monitoring the mobile terminal.
- the processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor.
- the application processor mainly processes the operating system, user interface, application programs, etc., and modulation
- the demodulation processor mainly handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 110 .
- the mobile terminal 100 may also include a power supply 111 (such as a battery) that supplies power to various components.
- a power supply 111 such as a battery
- the power supply 111 may be logically connected to the processor 110 through a power management system, thereby managing charging, discharging, and power consumption management through the power management system. and other functions.
- the mobile terminal 100 may also include a Bluetooth module, etc., which will not be described again here.
- FIG. 2 is an architecture diagram of a communication network system provided by an embodiment of the present application.
- the communication network system is an LTE system of universal mobile communication technology.
- the LTE system includes UEs (User Equipment, User Equipment) connected in sequence. )201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, Evolved UMTS Terrestrial Radio Access Network) 202, EPC (Evolved Packet Core, Evolved Packet Core Network) 203 and the operator's IP business 204.
- UEs User Equipment, User Equipment
- E-UTRAN Evolved UMTS Terrestrial Radio Access Network
- EPC Evolved Packet Core, Evolved Packet Core Network
- UE201 may be the above-mentioned mobile terminal 100, which will not be described again here.
- E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc.
- eNodeB2021 can be connected to other eNodeB2022 through backhaul (for example, X2 interface), eNodeB2021 is connected to EPC203, and eNodeB2021 can provide access from UE201 to EPC203.
- backhaul for example, X2 interface
- EPC 203 may include MME (Mobility Management Entity, mobility management entity) 2031, HSS (Home Subscriber Server, home user server) 2032, other MME 2033, SGW (Serving Gate Way, service gateway) 2034, PGW (PDN Gate Way, packet data Network Gateway) 2035 and PCRF (Policy and Charging Rules Function, policy and charging functional entity) 2036, etc.
- MME2031 is a control node that processes signaling between UE201 and EPC203, and provides bearer and connection management.
- HSS2032 is used to provide some registers to manage functions such as the home location register (not shown in the figure), and to save some user-specific information about service characteristics, data rates, etc. 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 business data flows and IP bearer resources. It is the policy and charging execution function. The unit (not shown) selects and provides available policy and charging control decisions.
- IP services 204 may include the Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) or other IP services.
- IMS IP Multimedia Subsystem, IP Multimedia Subsystem
- Figure 3 is a flow chart of a processing method provided by an embodiment of the present application.
- the method in the embodiment of the present application can be executed by a terminal device.
- the method may include the following steps:
- the processing method is applied to the terminal equipment in the SL-U system, and the terminal equipment responds to meeting the preset conditions and accesses the channel with a preset channel access priority category; this application clarifies that channel access in the SL-U system Priority categories, therefore, enable different physical channels to use different channel access priority categories, allowing different physical channels to use different channel access parameters to access unlicensed spectrum, thereby improving the utilization of unlicensed spectrum.
- terminal equipment and network equipment do not need to communicate through the base station, but communicate directly.
- the terminal device in the SL-U system can be various senders with WIFI modules and Bluetooth modules.
- the sender in the SL-U system can be a vehicle-mounted device such as a vehicle.
- the sender can also be a smart furniture device such as a smart TV, a smart refrigerator, etc. There is no specific limitation.
- the network device in the SL-U system may be a receiver with a WIFI module, Bluetooth module, etc.
- the receiver in the SL-U system can be a vehicle, a mobile phone, a tablet, etc.
- the receiver is not specifically limited.
- some application scenarios can be:
- the first vehicle (sender) and the second vehicle (receiver) communicate directly instead of communicating through the base station.
- the first vehicle and the second vehicle directly transmit data through the side link.
- it is necessary to determine the channel access priority category so that different physical channels use different channel access priority categories and realize that different physical channels use different channel access parameters to access the unlicensed spectrum, thereby improving the unlicensed spectrum. Spectrum utilization.
- some application scenarios can also be:
- the mobile phone terminal communicates with the smart refrigerator through side links instead of communicating through the base station.
- the network device will communicate with multiple terminal devices at the same time, and therefore needs to compete for channels. That is, in the corresponding downlink, the processing method of this application is relatively more applied (compared with the uplink).
- the execution subject terminal device of the processing method in the embodiment of the present application prepares to send the PSCCH channel (Physical Sidelink Control Channel, physical side link control channel), PSSCH channel (Physical Sidelink Share Channel, physical side link data channel),
- PSCCH channel Physical Sidelink Control Channel
- PSSCH channel Physical Sidelink Share Channel, physical side link data channel
- S-SS/PSBCH Segment-Synchronization Signal/Physical Sidelink Broadcast Channel, side link synchronous broadcast information block
- Type 1 channel access Type 1 channel access
- the parameters are associated with the Channel Access Priority Class (CAPC). Therefore, to determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters, it is necessary to determine the channel access priority category (preset channel access priority category).
- CAC Channel Access Priority Class
- Table 1 and Table 2 determine to use different channel access priority category tables for different physical channels through the introduced random backoff mechanism, and then, based on different channel access priority category tables , in response to satisfying the preset condition, accessing the channel with the preset channel access priority category.
- the random backoff mechanism defines four different channel access priority categories. Based on this, the delay period, contention window size, maximum COT (channel occupancy time) and other parameters are determined.
- the relevant parameters of the channel access priority category can be as shown in Table 1 and Table 2 below:
- Channel Access Priority Class(p) is: channel access priority class; m p is: delay parameter of channel access priority class p; CW min,p is: channel access priority class p The size of the minimum contention window; CW max,p is: the size of the maximum contention window for the channel access priority category p; T mcot,p is: the channel access priority category p, the maximum time that the frequency band can be occupied after LBT is successful ;allowedCW p sizes are: channel access priority category p, the size of the allowed contention window.
- Channel Access Priority Class(p) is: channel access priority category; m p is: delay parameter of channel access priority category p, CW min,p is: channel access priority category p The size of the minimum contention window; CW max,p is: the size of the maximum contention window for the channel access priority category p; T ulmcot,p is: the channel access priority category p, the maximum time that the frequency band can be occupied after LBT is successful ; allowedCW p sizes are: channel access priority category p, allowed contention window size (CWS, Contention Window Size).
- high-priority services can use smaller competition windows to access the channel faster, while low-priority services use larger competition windows. , thereby increasing the likelihood that high-priority data is transmitted before low-priority data.
- each channel access priority category has a separate contention window, and the maximum and minimum values of the contention window are different. Therefore, high-priority services can use a smaller contention window to access faster. channel, while low-priority traffic uses a larger contention window, thereby increasing the possibility of transmitting high-priority data before low-priority data.
- 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 (Type 1 channel access).
- the sender listens to the channel and waits until a certain frequency channel is at least called It is available within a period of time in the delay period.
- This delay period generally consists of one 16us plus several 9us time slots. The length of the delay period depends on the category of channel access priority.
- the channel is accessed in a preset channel access priority category.
- the channel is accessed in a preset channel access priority category.
- the channel is accessed in a preset channel access priority category.
- the channel is accessed in a preset channel access priority category.
- the channel is accessed in a preset channel access priority category.
- the channel is accessed in a preset channel access priority category.
- accessing the channel with a preset channel access priority category includes at least one of the following:
- Responding to the sent physical channel includes sending two or more 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 to correspond to different presets Channel access priority class access channel.
- Responding to the sent physical channel includes sending more than two 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 to correspond to different preset channel connections. Enter the priority class access channel.
- accessing the channel with a preset channel access priority category includes:
- the types of services contained in the sending channel include four service types: unicast, multicast, broadcast and multicast, to access the channel corresponding to different preset channel access priority categories;
- the types of services contained in the response channel include four service types: unicast, multicast, broadcast, broadcast and multicast, to access the channel corresponding to different preset channel access priority categories.
- accessing the channel with a preset channel access priority category includes:
- accessing channels corresponding to different preset channel priority categories includes:
- accessing the channel with a preset channel access priority category includes:
- the channel is accessed in a preset channel access priority category.
- the channel access priority category needs to be preset or determined first.
- the processing method of this application includes:
- Step S11 in response to satisfying the preset condition, determine the channel access priority category according to the determination method of the channel access priority category, and access the channel with the preset channel access priority category.
- the method for determining the channel access priority category includes:
- the service type included in the sending channel includes broadcast and/or multicast.
- the service type included in the sending channel includes unicast.
- the service types included in the transmission channel include broadcast and unicast, or multicast and unicast, or broadcast, multicast and unicast.
- the method of determining the channel access priority category includes: determining the channel access priority category based on downlink control information, and further, achieving channel access with a preset channel access priority category.
- the method of determining the channel access priority category includes: determining the channel access priority category according to the type of the transmission channel, and further, achieving channel access with a preset channel access priority category.
- the type of transmission channel includes at least one of PSCCH channel, PSSCH channel, and S-SS/PSBCH.
- the method further includes at least one of the following:
- Step S115 in response to satisfying the preset condition and in response to sending the physical side link data channel, determine the channel access priority category, and access the channel with the preset channel access priority category.
- Step S116 In response to satisfying the preset condition and in response to sending the physical side link control channel, determine the channel access priority category, and access the channel with the preset channel access priority category.
- Step S117 In response to satisfying the preset condition and in response to sending the physical side link feedback channel, determine the channel access priority category, and access the channel with the preset channel access priority category.
- Step S118 in response to satisfying the preset condition and in response to the side link synchronous broadcast information block, determine the channel access priority category, and access the channel with the preset channel access priority category.
- the channel access priority category is determined according to the logical channel corresponding to the physical side link data channel, and then, when the preset conditions are met, the channel is accessed according to the preset channel access priority category.
- the logical channel corresponding to the physical side link data channel may be a voice service channel or a data service channel, and is not specifically limited.
- the channel access priority category is determined according to the receiver identifier of the physical side link data channel, and then, after the preset conditions are met, the channel is accessed according to the preset channel access priority category.
- the channel access priority category is determined according to the sender identifier of the physical side link data channel, and then access to the channel is implemented with a preset channel access priority category.
- the channel access priority category is jointly determined according to 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.
- the channel access priority category is determined according to the number of receivers. Furthermore, channel access with a preset channel access priority category is implemented.
- 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.
- the channel access priority category is determined based on the priority of the receiver with the smallest priority.
- the channel access priority category is determined based on the priority of the receiver with the highest priority.
- the channel access priority category is determined based on the priorities of randomly selected receivers.
- the priority is a PC5 5G QoS Identifier (PC5 5G QoS Identifier, PC5 5QI), thereby achieving access to the channel with a preset channel access priority category.
- PC5 5G QoS Identifier PC5 5QI
- Delay Critical GBR Delay Critical GBR
- GBR corresponds to channel access priority category 2 and/or channel access priority category 3
- non-GBR corresponds to channel access priority category 3 and/or channel access priority category 4, etc.
- the default priority level (Default Priority Level) corresponding to the value of the PC5 5G QoS identifier and the channel access priority category.
- the default priority level 2 corresponds to the channel access priority category 1 and/or Or channel access priority category 2
- default priority 3 corresponds to channel access priority category 2 and/or channel access priority category 3
- default priorities 4, 5, and 6 correspond to channels Access priority category 3 and/or channel access priority category 4, etc.
- the packet error rate (Packet Error Rate) corresponding to the value of the PC5 5G QoS identifier and the channel access priority category.
- a packet error rate of 10 -5 corresponds to the channel access priority category 1. and/or channel access priority category 2
- a packet error rate of 10 -4 corresponds to channel access priority category 2 and/or channel access priority category 3
- a packet error rate of 10 -2 corresponds to channel access priority category 3 and/or channel access priority category 4
- a packet error rate of 10 -1 corresponds to channel access priority category 4, etc.
- the packet delay budget (Packet Delay Budget) corresponding to the value of the PC5 5G QoS identifier and the channel access priority category.
- a packet delay budget of 3ms corresponds to the channel access priority category 1
- a packet delay budget of 10ms corresponds to channel access priority category 1 and/or channel access priority category 2
- a packet delay budget of 20ms corresponds to channel access priority category 2 and/or channel access Priority category 3
- a packet delay budget of 500ms corresponding to channel access priority category 4 etc.
- the channel access priority category is determined according to the per-packet priority PPPP of the near field communication, and then access to the channel is implemented with the preset channel access priority category.
- the channel access priority category may include the service type contained in the transmission channel; downlink control information; type of transmission channel; logical channel corresponding to the physical side link data channel; receiver identification of the physical side link data channel; The sender ID of the physical side link data channel; the receiver ID and sender ID of the physical side link data channel; the number of receivers; the priority of each packet of near field communication determined by any of the PPPP, or it can be Determined by the above items.
- the channel access priority category may be determined jointly by the service type contained in the transmission channel and the downlink control information.
- the channel access priority category may be determined by the service type, downlink control information and the number of receivers contained in the transmission channel.
- step S11 also includes at least one of the following:
- Step S111 in response to satisfying the preset conditions, if the type of service contained in the sending channel includes broadcast and/or multicast, use the first set of channel access priority categories to determine the channel access priority category to predetermine Set the channel access priority category to access the channel.
- Step S112 in response to satisfying the preset conditions, if the type of service included in the sending channel is unicast, use the second set of channel access priority categories to determine the channel access priority category, and access the preset channel Priority class access channel.
- the above-mentioned Table 1 is used to determine the channel access priority category, that is, the first set of channel access priority categories is Table 1, Furthermore, after the preset conditions are met, the channel is accessed according to the preset channel access priority category.
- the channel access priority category after determining the channel access priority category through the above Table 1, determine to use the specific channel access priority category p in the table according to the first decision rule, and then implement the preset channel access priority level category access channel, and further determine the delay period, contention window size, maximum COT and other parameters.
- the first decision rule includes the sender determining the channel access priority category p according to the logical channel corresponding to the side link physical data channel (PSSCH), and then, after meeting the preset conditions, using the preset channel to access the Access the channel into a priority category.
- the channel access priority category p is 1.
- the first decision rule further includes the sender determining the channel access priority category p according to the receiver identifier of the side link physical data channel, such as the destination identifier.
- the first decision rule further includes the sender determining the channel access priority category p according to the sender identifier, such as the source identifier, of the side link physical data channel.
- the first decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel.
- the first decision rule is on the receiver side.
- the corresponding smaller priority category is selected from the identifier and the sender identifier to determine the channel access priority category p.
- the first decision rule includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel.
- the first decision rule determines the channel access priority category p based on the receiver identification of the side link physical data channel. and the sender identification, select the corresponding larger priority category to determine the channel access priority category p.
- the priority category p selects the priority of the receiver with the smallest priority among the receivers to determine the priority category p.
- the first decision rule selects the priority of the receiver with the highest priority among the receivers to determine the priority category p.
- the first decision rule randomly selects a receiver, and determines the priority category p according to the priority of the receiver.
- the priority is PC5 5G QoS Identity (PQI).
- QI PC5 5G QoS Identity
- PPPP near field communication per packet priority
- the priority is the near field communication per packet priority (PPPP, ProSe per-packet priority), the priority of each packet is provided to the physical layer by the upper layer.
- PPPP near field communication per packet priority
- the delay period, contention window size, maximum COT and other parameters are determined according to the above Table 1.
- the first decision rule includes determining the channel access priority category p according to the downlink control information, and subsequently determining parameters such as delay period, contention window size, maximum COT, etc.
- the channel access priority category p indicated by the downlink control information is configured according to RRC (Radio Resource Control, Radio Resource Control Protocol) signaling.
- the types of services contained in the transmission channel are broadcast and/or multicast, use Table 1 alone to determine the channel access priority category to ensure that high-priority services have priority to access the unlicensed spectrum and improve the access of the unlicensed spectrum. Utilization.
- the type of service included in the sending channel is unicast, use the second set of channel access priority categories to determine the channel access priority category.
- the above-mentioned Table 2 is used to determine the channel access priority category, that is, the second set of channel access priority categories is Table 2.
- the channel access priority category after determining the channel access priority category through the above Table 2, determine to use the specific channel access priority category p in the table according to the second decision rule, and then implement the preset channel access priority Level category access channel, and then determine the delay period, contention window size, maximum COT and other parameters.
- the second decision rule includes the sender determining the channel access priority category p according to the logical channel corresponding to the side link physical data channel (PSSCH), and then implementing access with the preset channel access priority category Channel, for example, for voice services, its channel access priority category p is 1.
- the second decision rule further includes the sender determining the channel access priority category p according to the receiver identifier of the side link physical data channel, such as the destination identifier.
- the second decision rule further includes the sender determining the channel access priority category p according to the sender identifier, such as the source identifier, of the side link physical data channel.
- the second decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel.
- the second decision rule is on the receiver side.
- the corresponding smaller priority category is selected from the identifier and the sender identifier to determine the channel access priority category p.
- the second decision rule includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel, for example, selecting between the receiver identification and the sender identification.
- the channel access priority category p is determined corresponding to the larger priority category.
- the number of receivers is greater than 1, select the priority of the receiver with the smallest priority among the receivers to determine the priority category p, and then implement access to the channel with the preset channel access priority category.
- the number of receivers is greater than 1, select the priority of the receiver with the highest priority among the receivers to determine the priority category p, and then implement access to the channel with the preset channel access priority category.
- the priority category p is determined based on the priority of the receiver, and then access to the channel is implemented with the preset channel access priority category.
- the priority is PC5 5G QoS Identity (PQI).
- the priority category p is the near field communication per packet priority (PPPP).
- the priority is the near field communication per packet priority (PPPP, ProSe per-packet priority)
- the priority of each packet is provided to the physical layer by the upper layer.
- the second decision rule includes determining the channel access priority category p according to the downlink control information, and then implementing access to the channel with the preset channel access priority category, and subsequently determining the delay period and contention window size, Maximum COT and other parameters.
- determine the channel access priority category p according to the bit information in the downlink control information and then implement access to the channel with the preset channel access priority category, and then determine the delay period, contention window size, and maximum COT. and other parameters.
- the channel access priority category p indicated by the downlink control information is configured according to RRC signaling, and then access the channel with the preset channel access priority category is implemented, and then the delay period and contention window size are determined, Maximum COT and other parameters.
- the type of service contained in the sending channel is unicast, use Table 2 alone to determine the channel access priority category, and then access the channel with the preset channel access priority category to ensure low-priority services Then access unlicensed spectrum to improve the utilization of unlicensed spectrum.
- it also includes at least one of the following:
- the first set of channel access priority categories and the second set of channel access priority categories respectively belong to different channel access priority category tables
- the first set of channel access priority categories and the second set of channel access priority categories belong to different elements in the same channel access priority category table.
- the first set of channel access priority categories belongs to Table 1
- the second set of channel access priority categories belongs to Table 2. They belong to different channel access priority category tables respectively. Since both They respectively belong to different channel access priority class tables, thereby improving the efficiency of determining the channel access priority class, and subsequently accessing the channel with the preset channel access priority class.
- the first set of channel access priority categories and the second set of channel access priority categories belong to different elements of the same channel access priority category table, as shown in the following Table 3.
- the first 4 lines belong to the first set of channel access priority categories, and the last 4 lines belong to the first set of channel access priority categories.
- the table resources of the channel access priority category can be saved, and the channel can be accessed using the preset channel access priority category.
- the method also includes:
- Step S20 Determine at least one parameter among the delay period, allowed contention window size, and maximum channel occupancy time.
- At least one parameter of the delay period, allowed contention window size, and maximum channel occupancy time is determined.
- the channel access priority category table determines the channel access priority category according to the corresponding table, then access the channel with the preset channel access priority category, and then determine the delay period, permission At least one parameter of contention window size and maximum channel occupancy time.
- the processing method of the present application in response to meeting the preset conditions, accesses the channel with the preset channel access priority category. Since this application clarifies the channel access priority categories in the SL-U system, different physical channels use different channel access priority categories, and different physical channels use different channel access parameters to access unauthorized access. spectrum, thereby improving the utilization of unlicensed spectrum.
- the method of this application may be:
- Step S113 In response to satisfying the preset condition, determine the channel access priority category according to the downlink control information, and access the channel with the preset channel access priority category.
- PSCCH channel Physical Sidelink Control Channel, physical side link control channel
- PSSCH channel Physical Sidelink Share Channel, physical side link data channel
- S -SS/PSBCH Segment-Synchronization Signal/Physical Sidelink Broadcast Channel, side link synchronous broadcast information block
- Type 1 channel access Type 1 channel access
- CAC channel Access Priority Class
- the sender determines the channel access priority category according to the downlink control information, then accesses the channel with the preset channel access priority category, and then determines the delay period, allowed contention window size, and maximum channel occupancy time. at least one parameter in .
- the downlink control information determines the channel access priority category as shown in Table 4 below (then access the channel with the preset channel access priority category, and then determine the delay period, allowed contention window size, maximum At least one parameter in the channel occupancy time), Table 4 is configured through RRC signaling.
- the channel access priority category is determined directly through downlink control information control, and then the channel is accessed with the preset channel access priority category without requiring multiple determination processes. Therefore, the channel access priority category is improved. Determine efficiency.
- 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 in 37.213 of clause 4.2.1.1 Definition
- Type2A-ULChannelAccess defined in [clause 4.2.1.2.1 in 37.213] is: UL Type 2A channel access is defined in 37.213 of clause 4.2.1.1
- 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 in 37.213 , using different channel access priority classes (Channel Access Priority Class, CACP) for different physical channels.
- the CP extension T_"ext"index defined in Clause 5.3.1 of[4,38.211] is: "ext" new
- 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.
- the corresponding target row that is, the channel access priority category
- the corresponding target row is directly indicated in the fourth 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, and then To access the channel according to the preset channel access priority category.
- the corresponding target row that is, the channel access priority category, is indicated in the fourth column of Table 4 based on the downlink control information and other information.
- the corresponding target row is indicated in the fourth column of Table 4, that is, the channel access priority category, and then the channel is accessed with the preset channel access priority category .
- the corresponding target row is indicated in column 4 of Table 4, that is, the channel access priority category, and then the preset channel access priority is Class access channel.
- the corresponding target row that is, the channel access priority category
- the channel access priority category is directly indicated in column 4 of Table 4 based on other parameters, and then the channel is accessed with the preset channel access priority category.
- the channel is accessed using the preset channel access priority category, and parameters such as delay period, contention window size, and maximum COT are determined.
- the processing method of this application determines the channel access priority category according to the downlink control information in response to satisfying the preset conditions, and then accesses the channel with the preset channel access priority category. Because the technical solution of the present application can access the channel with a 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 to use different channel access parameters to access unlicensed spectrum, thereby improving the utilization of unlicensed spectrum.
- the processing method of this application may be:
- a channel access priority category table is determined based on the downlink control information, the channel access priority category is determined based on the channel access priority category table, and the channel access priority category is connected with the preset channel access priority category. Enter the channel.
- the execution subject terminal device of the processing method in the embodiment of the present application prepares to send the PSCCH channel (Physical Sidelink Control Channel, physical side link control channel), PSSCH channel (Physical Sidelink Share Channel, physical side link data channel),
- PSCCH channel Physical Sidelink Control Channel
- PSSCH channel Physical Sidelink Share Channel, physical side link data channel
- S-SS/PSBCH Segment-Synchronization Signal/Physical Sidelink Broadcast Channel, side link synchronous broadcast information block
- Type 1 channel access Type 1 channel access.
- the above parameters and channel Access Priority Class (CAPC) association Therefore, to determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters, it is necessary to determine the channel access priority category.
- CAC channel Access Priority Class
- the sender 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 then uses the preset channel access priority category Category access channel, then determine the delay period, contention window size, maximum COT and other parameters.
- the table indicated by the downlink control information is configured according to RRC signaling, and/or the table category for determining the channel access priority category according to the downlink control information further includes at least one of the following:
- the channel access priority category table is determined according to the bit information in the downlink control information.
- the channel access priority category table is determined 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.
- an additional 1 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.
- a column is added to the table indicated by the downlink control information. This column is used to indicate the channel access priority category table. For example, tab le in Table 5 is the added fifth column information. If the column information If it is 1, the channel access priority category table is Table 1. If the column information is 2, if the channel access priority category table is Table 2.
- the channel access priority category information corresponding to each row can be determined, that is, which channel access priority category in which table is used, and then Access the channel with the preset channel access priority category.
- the channel access priority category table is determined according to the newly added index information in the table indicated by the downlink control information, and then the channel is accessed with the preset channel access priority category.
- the table indicated by the downlink control information is configured according to RRC signaling.
- the RRC signaling configuration is determined according to the higher layer, and then the channel is accessed in a preset channel access priority category.
- the channel access priority category is determined according to the third decision rule, and then the channel is accessed with the preset channel access priority category.
- the third decision rule includes the sender determining the channel access priority category p according to the logical channel corresponding to the side link physical data channel (PSSCH), and then accessing the channel with the preset channel access priority category .
- the channel access priority category p is 1.
- the third decision rule also includes the sender determining the channel access priority category p according to the receiver identification of the side link physical data channel, such as the destination identification, and then using the preset channel access priority Class access channel.
- the third decision rule also includes the sender determining the channel access priority category p according to the sender identity of the side link physical data channel, such as the source identity, and then using the preset channel access priority category access channel.
- the third decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel.
- the third decision rule is on the receiver side. The corresponding smaller priority category is selected from the identifier and the sender identifier to determine the channel access priority category p, and then the channel is accessed with the preset channel access priority category.
- the third decision rule includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel.
- the third decision rule determines the channel access priority category p based on the receiver identification and the sender identification, select the corresponding larger priority category to determine the channel access priority category p, and then access the channel with the preset channel access priority category.
- the number of receivers is greater than 1
- select the priority of the receiver with the smallest priority among the receivers to determine the priority category p and then access the channel with the preset channel access priority category.
- 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 uses the preset channel access priority category to accept Enter the channel.
- the third decision rule randomly selects a receiver, determines the priority category p according to the priority of the receiver, and then accepts the receiver with the preset channel access priority category. Enter the channel.
- the priority is PC5 5G QoS Identity (PQI), and then the channel is accessed in a preset channel access priority category.
- PQI PC5 5G QoS Identity
- PPPP per-packet priority
- the priority is a per-packet priority (PPPP, ProSe per-packet priority) of near field communication, and the per-packet priority is provided to the physical layer by the upper layer.
- PPPP per-packet priority
- ProSe per-packet priority the per-packet priority is provided to the physical layer by the upper layer.
- the third 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, and maximum COT and other parameters.
- determine the channel access priority category p according to the bit information in the downlink control information then access the channel with the preset channel access priority category, and then determine the delay period, contention window size, maximum COT, etc. parameter.
- the channel access priority category p determines the channel access priority category p according to the newly added index information in the table indicated by the downlink control information, and then access the channel with the preset channel access priority category, and then determine the delay period and contention window. Size, maximum COT and other parameters.
- the channel access priority category p indicated by the downlink control information is configured according to RRC signaling.
- 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 in 37.213
- Different channel access priority classes (Channel Access Priority Class, CACP) are used for different physical channels.
- the CP extension T_"ext"index defined in Clause 5.3.1 of[4,38.211] is:
- the processing method of this application determines the channel access priority category table according to the downlink control information in response to satisfying the preset conditions, and determines the channel access priority category according to the channel access priority category table, Access the channel with the preset channel access priority category. Because the technical solution of the present application can access the channel with a 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 to use different channel access parameters to access unlicensed spectrum, thereby improving the utilization of unlicensed spectrum.
- processing method of this application may also include:
- a channel access priority category table is determined based on the downlink control information, the channel access priority category is determined based on the channel access priority category table, and the channel access priority category is connected with the preset channel access priority category. Enter the channel.
- step S11 also includes at least one of the following:
- Step S114 in response to satisfying the preset conditions, determine the channel access priority category table according to the downlink control information, determine the channel access priority category according to the channel access priority category table, and preset channel access priority. Class access channel.
- the execution subject terminal device of the processing method in the embodiment of the present application prepares to send the PSCCH channel (Physical Sidelink Control Channel, physical side link control channel), PSSCH channel (Physical Sidelink Share Channel, physical side link data channel),
- PSCCH channel Physical Sidelink Control Channel
- PSSCH channel Physical Sidelink Share Channel, physical side link data channel
- S-SS/PSBCH Segment-Synchronization Signal/Physical Sidelink Broadcast Channel, side link synchronous broadcast information block
- Type 1 channel access Type 1 channel access.
- the above parameters and channel Access Priority Class (CAPC) association Therefore, to determine the delay period, contention window size, maximum COT (channel occupancy time) and other parameters, it is necessary to determine the channel access priority category.
- CAC channel Access Priority Class
- the sender dynamically indicates 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 then uses the preset channel access priority category Category access channel, and then determine the delay period, contention window size, maximum COT and other parameters.
- the sender determines according to the dynamic indication of the downlink control information that the currently sent PSCCH channel, PSSCH channel and channel access priority category table used by S-SS/PSBCH corresponds to the following Table 6.
- Table 6 contains 8 priority categories, which can be specifically used to indicate the priority categories of unicast transmission and multicast transmission.
- Table 6 different rows in Table 6 are used for unicast transmission and/or multicast transmission respectively.
- Channel Access Priority Class(p) is: channel access priority category; m p is: the delay parameter corresponding to channel access priority category p; CW min,p is: channel access priority category p The size of the minimum contention window; CW max,p is: the size of the maximum contention window of the channel access priority category p; T mcot,p is: the channel access priority category p, the longest length of the frequency band that can be occupied after LBT is successful Time; allowedCW p sizes are: channel access priority category p, the size of the allowed contention window.
- the sender determines according to the dynamic indication of the downlink control information that the currently sent PSCCH channel, PSSCH channel and channel access priority category table used by S-SS/PSBCH corresponds to the following Table 7.
- Channel Access Priority Class(p) is: channel access priority category; m p is: the delay parameter corresponding to channel access priority category p; CW min,p is: channel access priority category p The size of the minimum contention window; CW max,p is: the size of the maximum contention window of the channel access priority category p; T mcot,p is: the channel access priority category p, the longest length of the frequency band that can be occupied after LBT is successful Time; allowedCW p sizes are: channel access priority category p, the size of the allowed contention window.
- Table 7 contains 7 priority categories, which can be used to indicate the priority categories of unicast transmission and multicast transmission.
- Table 7 different rows in Table 7 are used for unicast transmission and/or multicast transmission respectively.
- the sender determines to adopt the specific channel access priority category p in the table according to the fourth decision rule, and then uses Preset the channel access priority category to access the channel, and then determine the delay period, contention window size, maximum COT and other parameters.
- the sender determines to adopt the specific channel access priority category p in the table according to the fifth decision rule, and then uses the preset channel Access the priority category access channel, and subsequently determine the delay period, contention window size, maximum COT and other parameters.
- 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 side link physical data channel (PSSCH). For example, for voice services, it is prioritized Level category is 1.
- the fourth and/or fifth decision rule further includes the sender determining the channel access priority category p according to the receiver identifier of the side link physical data channel, such as the destination identifier.
- the fourth and/or fifth decision rule further includes the sender determining the channel access priority category p according to the sender identifier of the side link physical data channel, such as the source identifier.
- the fourth and/or fifth decision rule also includes the sender jointly determining the channel access priority category p according to the receiver identification and the sender identification of the side link physical data channel, for example, selecting the corresponding smaller priority category to determine the channel access priority category p.
- the fourth and/or fifth decision rule also includes the sender jointly determining the channel access priority category p according to the receiver identification and the sender identification of the side link physical data channel, for example, selecting the corresponding larger priority category to determine the channel access priority category p.
- the number of receivers is greater than 1, select the priority of the receiver with the smallest priority among the receivers to determine the priority category p.
- the number of receivers is greater than 1, select the priority of the receiver with the highest priority among the receivers to determine the priority category p.
- the priority category p is determined based on the priority of the receiver.
- the priority is PC5 5G QoS Identity (PQI).
- the priority is a per-packet priority (PPPP, ProSe per-packet priority) of near field communication, which is provided to the physical layer by the upper layer.
- PPPP per-packet priority
- ProSe per-packet priority of near field communication
- the processing method of this application determines the channel access priority category table according to the downlink control information in response to satisfying the preset conditions, and determines the channel access priority category according to the channel access priority category table, Access the channel with the preset channel access priority category. Since this application clarifies that the channel is accessed in a preset channel access priority category in the SL-U system (the channel access priority category table is determined based on the downlink control information, and the channel access priority category table is determined based on the channel access priority category table) into the priority category). It is more convenient to implement different physical channels, use different channel access priority categories, and implement different physical channels to use different channel access parameters to access unlicensed spectrum, thereby improving the utilization of unlicensed spectrum.
- processing method of this application may also be at least one of the following:
- 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.
- the feedback channel determines the timing of the sending terminal's feedback channel on the physical side link or the channel access priority category on the time slot.
- the sending terminal In response to meeting the preset conditions, if at least two physical side link feedback channels start transmitting at the same time and/or symbol, the sending terminal is determined based on the physical side link feedback channel with a higher channel access priority category.
- the channel access priority category of the physical sidelink feedback channel at the same time and/or symbol.
- the sender needs to perform Type 1 channel access (Type 1 channel access) .
- Type 1 channel access Before performing Type 1 channel access, you need 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.
- CAC channel access Priority category
- 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.
- the channel access priority category to which the corresponding physical side link data channel belongs is based on the service type contained in the transmission channel; downlink control information; type of transmission channel; logical channel corresponding to the physical side link data channel; physical side
- the channel access priority category to which the corresponding physical side link data channel belongs is based on the service type contained in the transmission channel; downlink control information; type of transmission channel; logical channel corresponding to the physical side link data channel; physical side
- a plurality of determinations are made, and further, a channel access priority category of the physical side link feedback channel is correspondingly determined.
- the channel access priority category to which the corresponding physical side link data channel belongs determines the channel access priority category of the physical side link feedback channel to be 1. If the corresponding physical side link data channel The channel access priority category to which the data channel belongs is 2. It is determined that the channel access priority category of the physical side link feedback channel is 2. If the channel access priority category to which the corresponding physical side link data channel belongs is 3. Determine the channel access priority category of the physical side link feedback channel to be 3. If the channel access priority category to which the corresponding physical side link data channel belongs is 4, determine the physical side link feedback channel The channel access priority category is 4.
- the channel access priority category of the PSFCH is fixed to a fixed value, for example, the fixed value is 1.
- the channel access priority category of the physical side link feedback channel 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 Equivalent to the priority of the corresponding PSSCH channel.
- the priority is PC5 5G QoS Identity (PQI).
- the per-packet priority (PPPP, ProSe per-packet priority) of near field communication is provided to the physical layer by the upper layer.
- the physical side link feedback channel with a higher channel access priority category is determined.
- the sending terminal feeds back the channel opportunity on the physical side link or the channel access priority category on the time slot.
- the sending terminal is determined according to the physical side link feedback channel with a higher channel access priority category on the physical side chain.
- Channel feedback channel access priority category at the same time and/or symbol.
- 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, so as to preset the channel access priority category. Enter the priority category to access the channel, so it is more convenient to implement different physical channels, use different channel access priority categories, implement different physical channels and use different channel access parameters to access the unlicensed spectrum, thereby ensuring high priority Businesses are given priority to access unlicensed spectrum to improve the utilization of unlicensed spectrum.
- the embodiment of this application also provides a processing method, including:
- 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.
- the processing method of this application is applied to network equipment, and the network equipment sends downlink control information, so that the terminal equipment uses the downlink control information to determine the channel access priority category, and accesses with the preset channel access priority category. channel.
- 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 Default channel access priority category access channel.
- 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 accepts the channel access priority category with the preset channel access priority category. Enter the channel.
- the terminal device indicates the channel access priority category according to the downlink control information and other information, and accesses the channel with the preset channel access priority category.
- the terminal device indicates a corresponding channel access priority category according to the downlink control information and the service type included in the transmission channel, and accesses the channel with a preset channel access priority category.
- 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, and accesses the channel with the preset channel access priority category.
- it also includes at least one of the following:
- 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;
- 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;
- 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;
- the table indicated by the downlink control information is configured according to RRC signaling, and the channel is accessed in a preset channel access priority category.
- an additional 1 bit is added to the downlink control information to indicate the channel access priority category table, and the channel is accessed in a preset channel access priority category.
- 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.
- CAC channel access priority category table
- the table indicated by the downlink control information is configured according to RRC signaling, and optionally, the RRC signaling configuration is determined according to higher layers.
- the terminal device determines the channel access priority category according to the sixth decision rule.
- the sixth decision rule includes the sender determining the channel access priority category p according to the logical channel corresponding to the side link physical data channel (PSSCH). For example, for voice services, its channel access priority category p is 1.
- the sixth decision rule further includes the sender determining the channel access priority category p according to the receiver identifier of the side link physical data channel, such as the destination identifier.
- the sixth decision rule further includes the sender determining the channel access priority category p according to the sender identifier, such as the source identifier, of the side link physical data channel.
- the sixth decision rule also includes the sender jointly determining the channel access priority category p based on the receiver identification and the sender identification of the side link physical data channel.
- the sixth decision rule is: The corresponding smaller priority category is selected from the identifier and the sender identifier to determine the channel access priority category p.
- the sixth decision rule includes the sender jointly determining the channel access priority category p according to the receiver identification and the sender identification of the side link physical data channel.
- the sixth decision rule determines the channel access priority category p based on the receiver identification and the sender identification, select the corresponding larger priority category to determine the channel access priority category p.
- the number of receivers is greater than 1, select the priority of the receiver with the smallest priority among the receivers to determine the priority category p.
- the sixth decision rule selects the priority of the receiver with the highest priority among the receivers to determine the priority category p.
- the sixth decision rule randomly selects a receiver, and determines the priority category p according to the priority of the receiver.
- the priority is PC5 5G QoS identification.
- the priority is the near field communication per packet priority (PPPP, ProSe per-packet priority), the priority of each packet is provided to the physical layer by the upper layer.
- 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 subsequently determining the delay period according to the above Table 1, Competition window size, maximum COT and other parameters
- the terminal device determines the channel access priority category p based on the bit information in the downlink control information, and then determines the delay period, contention window size, maximum COT and other parameters.
- 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 subsequently determines parameters such as delay period, contention window size, and maximum COT.
- the terminal device determines the channel access priority category p according to the newly added index information in the table indicated by the downlink control information, and then determines parameters such as delay period, contention window size, and maximum COT.
- the channel access priority category p indicated by the downlink control information is configured according to RRC signaling.
- 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 determines the channel access priority category table, and then Default channel access priority category access channel. Since the technical solution of this 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 preset channel access priority category. Enter the channel. Thereby improving the utilization rate of unlicensed spectrum.
- Figure 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- the device can be mounted 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 in the method embodiments described in Figures 3, 4 and 6 above. Among them, the detailed description of each unit is as follows:
- the processing unit 1102 is configured to access the channel in a preset channel access priority category in response to satisfying the preset condition.
- satisfying the preset conditions includes at least one of the following:
- the physical channels sent are different;
- the types of services included in the transmission channel are different;
- the physical channel sent also includes at least one of the following:
- the type of services contained in the transmission channel also includes at least one of the following:
- the types of services contained in the transmission 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.
- processing unit 1102 is used to implement:
- the processing unit 1102 is used to implement:
- the second set of channel access priority categories is used to determine the channel access priority category.
- processing unit 1102 is used to implement:
- the first set of channel access priority categories and the second set of channel access priority categories respectively belong to different channel access priority category tables
- the first set of channel access priority categories and the second set of channel access priority categories belong to different elements in the same channel access priority category table.
- processing unit 1102 is used to implement:
- a channel access priority category table is determined based on the downlink control information, and the channel access priority category is determined based on the channel access priority category table.
- processing unit 1102 is used to implement:
- the table indicated by the downlink control information is configured according to RRC signaling.
- processing unit 1102 is used to implement:
- the channel access priority category is determined in response to a sidelink synchronization broadcast information block.
- processing unit 1102 is used to implement:
- the sending terminal is determined based on the physical side link feedback channel with a higher channel access priority category. Physical side link feedback channel timing or channel access priority category on this time slot;
- the sending terminal determines where the physical side link feedback channel is based on the physical side link feedback channel with a higher channel access priority category. Channel access priority categories at the same time and/or symbol.
- processing module is used to implement:
- the channel access priority category is determined according to the priority of the randomly selected receiver.
- processing unit 1102 is used to implement:
- the maximum channel access priority category is jointly determined based on the receiver identifier and the sender identifier as the channel access priority category.
- processing unit 1102 is used to implement:
- some steps involved in the image processing methods shown in Figures 3, 4 and 6 can be performed by various modules in the image communication device shown in Figure 7.
- Each unit in the image communication device shown in Figure 7 can be separately or entirely combined into one or several additional modules to form, or one (some) of the modules can be further divided into multiple functionally smaller modules. It is composed of units, which can achieve the same operation without affecting the realization of the technical effects of the embodiments of the present application.
- the above units are divided based on logical functions.
- the function of one module can also be implemented by multiple modules, or the functions of multiple modules can be implemented by one module.
- the image communication device may also include other modules. In practical applications, these functions may also be implemented with the assistance of other modules, and may be implemented by multiple modules in cooperation.
- FIG. 8 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
- This application also provides a communication terminal.
- 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. When the processing program is executed by the processor, any of the above embodiments can be implemented. steps of the processing method.
- An embodiment of the present application also provides a communication device, including: a memory, a processor, and a processing program stored in the memory and executable on the processor.
- a processing program stored in the memory and executable on the processor.
- 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).
- a terminal device such as a mobile phone
- a network device such as a base station
- Embodiments of the present application also provide a storage medium.
- a computer program is stored on the storage medium.
- the computer program is executed by a processor, the steps of the processing method in any of the above embodiments are implemented.
- the embodiments of mobile terminals and storage media provided by this application include all technical features of the above-mentioned processing method embodiments.
- the expansion and explanation content of the description are basically the same as those of the above-mentioned call note method embodiments, and will not be described again here. Repeat.
- Embodiments of the present application also provide a computer program product.
- the computer program product includes computer program code.
- the computer program code When the computer program code is run on a computer, it causes the computer to execute the methods in the above various possible implementations.
- Embodiments of the present application also provide a chip, which includes a memory and a processor.
- the memory is used to store a computer program.
- the processor is used to call and run the computer program from the memory, so that the device equipped with the chip executes the above various possible implementations. Methods.
- An embodiment of the present application also provides a computer device for executing the methods in the above various possible implementations.
- a computing device generally includes a processor and a memory.
- the memory is used to store instructions.
- the computing device executes each step or each program module of the present invention.
- FIG 9 is a schematic diagram of the hardware structure of a controller 140 provided by this application.
- the controller 140 includes: a memory 1401 and a processor 1402.
- the memory 1401 is used to store program instructions.
- 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. Its implementation principle and The beneficial effects are similar and will not be described again here.
- the above-mentioned controller also includes a communication interface 1403, which can be connected to the processor 1402 through a bus 1404.
- the processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.
- FIG 10 is a schematic diagram of the hardware structure of a network node 150 provided by this application.
- the network node 150 includes: a memory 1501 and a processor 1502.
- the memory 1501 is used to store program instructions.
- 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. Its implementation principle and The beneficial effects are similar and will not be described again here.
- the above-mentioned network node also includes a communication interface 1503, which can be connected to the processor 1502 through a bus 1504.
- the processor 1502 can control the communication interface 1503 to implement the receiving and transmitting functions of the network node 150 .
- the above integrated modules implemented in the form of software function modules can be stored in a computer-readable storage medium.
- the above-mentioned software function modules are stored in a storage medium and include a number of instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to execute the methods of various embodiments of the present application. Some steps.
- a computer program product includes one or more computer instructions.
- the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
- Computer instructions may be stored in or transmitted from one storage medium to another, e.g., computer instructions may be transmitted from a website, computer, server, or data center over wires (e.g., coaxial cable, optical fiber, digital subscriber line) (DSL)) or wirelessly (such as infrared, wireless, microwave, etc.) to another website, computer, server or data center.
- the storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated. Available media may be magnetic media (eg, floppy disk, hard disk, tape), optical media (eg, DVD), or semiconductor media (eg, solid state disk, SSD), etc.
- the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
- the technical solution of the present application can be embodied in the form of a software product in essence or that contributes to the existing technology.
- the computer software product is stored in one of the above storage media (such as ROM/RAM, magnetic disk, optical disk), including several instructions to cause a terminal device (which can be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to execute the method of each embodiment of the present application.
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Abstract
Description
Claims (19)
- 一种处理方法,其中,包括:响应于满足预设条件,以预设信道接入优先级类别接入信道。
- 如权利要求1所述的方法,其中,所述满足预设条件包括以下至少一项:发送的物理信道不同;发送信道包含的业务的类型不同;存在不同接收方;存在不同发送方;信道优先级不同。
- 如权利要求2所述的方法,其中,所述发送的物理信道还包括以下至少一项:发送物理侧链路控制信道;发送物理侧链路数据信道;发送物理侧链路反馈信道;发送物理侧链路同步信息块。
- 如权利要求2所述的方法,其中,所述发送信道包含的业务的类型还包括以下至少一项:发送信道包含的业务的类型包括广播或组播;发送信道包含的业务的类型包括单播;发送信道包含的业务的类型包括单播、广播和组播。
- 如权利要求1所述的方法,其中,所述预设信道接入优先级类别的确定方式,包括以下至少一项:根据发送信道包含的业务的类型,确定所述信道接入优先级类别;根据下行控制信息或发送信道的类型确定所述信道接入优先级类别;根据物理侧链路数据信道对应的逻辑信道确定所述信道接入优先级类别;根据物理侧链路数据信道的接收方标识确定所述信道接入优先级类别;根据物理侧链路数据信道的发送方标识确定所述信道接入优先级类别;根据物理侧链路数据信道的接收方标识和发送方标识联合确定所述信道接入优先级类别;根据接收方的数目确定所述信道接入优先级类别;基于近场通信的每包优先级PPPP,确定所述信道接入优先级类别;根据PC5 5G QoS标识取值,确定所述信道接入优先级类别。
- 如权利要求5所述的方法,其中,还包括以下至少一项:若发送信道包含的业务的类型包括广播和/或组播,则使用第一集合信道接入优先级类别,确定所述信道接入优先级类别;若发送信道包含的业务的类型为单播,则使用第二集合信道接入优先级类别,确定所述信道接入优先级类别。
- 如权利要求6所述的方法,其中,还包括以下至少一项:所述第一集合信道接入优先级类别与所述第二集合信道接入优先级类别分别属于不同的信道接入优先级类别表格;所述第一集合信道接入优先级类别与所述第二集合信道接入优先级类别属于同一信道接入优先级类别表格中的不同元素。
- 如权利要求5所述的方法,其中,还包括以下至少一项:根据下行控制信息确定信道接入优先级类别表格,根据所述信道接入优先级类别表格确定所述信道接入优先级类别。
- 如权利要求8所述的方法,其中,所述下行控制信息所指示表格根据RRC信令配置;和/或,所述根据下行控制信息确定信道接入优先级类别表格别还包括以下至少一项:根据下行控制信息中的比特信息,确定所述信道接入优先级类别表格;根据下行控制信息所指示表格中新增的列信息,确定所述信道接入优先级类别表格;根据下行控制信息所指示表格中新增的索引信息,确定所述信道接入优先级类别表格。
- 如权利要求5所述的方法,其中,还包括以下至少一项:响应于发送物理侧链路数据信道,确定所述信道接入优先级类别;响应于发送物理侧链路控制信道,确定所述信道接入优先级类别;响应于发送物理侧链路反馈信道,确定所述信道接入优先级类别;响应于发送物理侧链路同步信息块,确定所述信道接入优先级类别。
- 如权利要求10所述的方法,其中,还包括以下至少一项:根据对应的物理侧链路数据信道所属的信道接入优先级类别,确定所述物理侧链路反馈信道的信道接入优先级类别;确定一个固定的预设数值为所述物理侧链路反馈信道的信道接入优先级类别;根据对应的侧链路物理数据信道的优先级,确定所述物理侧链路反馈信道的信道接入优先级类别;在同一个物理侧链路反馈信道时机或者在同一个时隙上发送至少两个物理侧链路反馈信道时,根据信道接入优先级类别更高的物理侧链路反馈信道确定发送终端在该物理侧链路反馈信道时机或者在该时隙上的信道接入优先级类别;如果至少两个物理侧链路反馈信道在同一时刻和/或符号上开始发送时,根据信道接入优先级类别更高的物理侧链路反馈信道确定发送终端在该物理侧链路反馈信道在同一时刻和/或符号上的信道接入优先级类别。
- 如权利要求5所述的处理方法,其中,还包括以下至少一项:如果接收方的数目大于1时,根据优先级最小的接收方的优先级,确定所述信道接入优先级类别;如果接收方的数目大于1时,根据优先级最大的接收方的优先级,确定所述信道接入优先级类别;如果接收方的数目大于1时,根据随机选择的接收方的优先级确定所述信道接入优先级类别。
- 如权利要求5所述的方法,其中,所述根据物理侧链路数据信道的接收方标识和发送方标识联合确定所述信道接入优先级类别,还包括以下至少一项:基于所述接收方标识和发送方标识联合确定最小信道接入优先级类别作为所述信道接入优先级类别;基于所述接收方标识和发送方标识联合确定最大信道接入优先级类别作为所述信道接入优先级类别。
- 如权利要求5所述的方法,其中,还包括以下至少一项:基于所述PC5 5G QoS标识取值对应的资源类型确定信道接入优先级类别;基于所述PC5 5G QoS标识取值对应的默认优先级确定信道接入优先级类别;基于所述PC5 5G QoS标识取值对应的分组错误率确定信道接入优先级类别;基于所述PC5 5G QoS标识取值对应的分组延迟预算确定信道接入优先级类别。
- 如权利要求1所述的方法,其中,所述方法还包括:确定延迟周期、允许竞争窗口大小、最大信道占据时间中的至少一个参数。
- 一种处理方法,其中,包括:发送下行控制信息,以使终端设备利用所述下行控制信息确定信道接入优先级类别,并以预设信道接入优先级类别接入信道。
- 如权利要求16所述的方法,其中,所述下行控制信息所指示表格根据RRC信令配置;和/或,所述发送下行控制信息,以使终端设备利用所述下行控制信息确定信道接入优先级类别的步骤,包括以下至少一项:终端设备直接通过根据下行控制信息中的比特信息、或者下行控制信息所指示表格中新增的索引信息直接指示信道接入优先级类别;终端设备根据下行控制信息和其他信息结合指示信道接入优先级类别;终端设备根据下行控制信息和发送信道包含的业务类型结合指示对应的信道接入优先级类别;终端设备根据下行控制信息和物理侧链路数据信道的接收方标识结合指示信道接入优先级类别;终端设备根据下行控制信息中的比特信息确定所述信道接入优先级类别表格,根据第六判决规则确定信道接入优先级类别;终端设备根据下行控制信息所指示表格中新增的列信息确定所述信道接入优先级类别表格,根据第六判决规则确定信道接入优先级类别;终端设备根据下行控制信息所指示表格中新增的索引信息确定所述信道接入优先级类别表格,根据第六判决规则确定信道接入优先级类别。
- 一种通信设备,其中,包括:存储器和处理器,其中,所述存储器上存储有计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1或16所述的处理方法的步骤。
- 一种存储介质,其中,所述存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1或16所述的处理方法的步骤。
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| PCT/CN2022/118209 WO2024050835A1 (zh) | 2022-09-09 | 2022-09-09 | 处理方法、通信设备及存储介质 |
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| CN109155720A (zh) * | 2016-03-25 | 2019-01-04 | 韦勒斯标准与技术协会公司 | 在无线通信系统中对非授权带的上行链路信道接入的方法及其装置 |
| WO2021145747A1 (ko) * | 2020-01-17 | 2021-07-22 | 주식회사 윌러스표준기술연구소 | 무선 통신 시스템에 있어서 하향링크 채널의 전송을 위한 채널 액세스를 수행하는 방법 및 이를 위한 장치 |
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2022
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- 2022-09-09 CN CN202280095783.9A patent/CN119422355A/zh active Pending
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