WO2023230787A1 - 无线通信的方法、终端设备和网络设备 - Google Patents
无线通信的方法、终端设备和网络设备 Download PDFInfo
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- WO2023230787A1 WO2023230787A1 PCT/CN2022/096061 CN2022096061W WO2023230787A1 WO 2023230787 A1 WO2023230787 A1 WO 2023230787A1 CN 2022096061 W CN2022096061 W CN 2022096061W WO 2023230787 A1 WO2023230787 A1 WO 2023230787A1
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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
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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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
- H04W72/00—Local resource management
- H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink
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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]
Definitions
- Embodiments of the present application relate to the field of communications, and specifically relate to a wireless communication method, terminal equipment, and network equipment.
- LBT Listen Before Talk
- side-link transmission can also use shared spectrum.
- the terminal device needs to perform LBT before performing side-link transmission, and only performs side-link transmission when it detects that the channel is idle. The transmission efficiency is low. Therefore, how to Improving sidelink transmission performance is an urgent problem that needs to be solved.
- This application provides a wireless communication method, terminal equipment and network equipment, which is beneficial to improving sideline transmission performance.
- the first aspect provides a wireless communication method, including:
- the first terminal receives first indication information, where the first indication information is used to indicate shared authorized resources;
- the authorized resources are allocated to the data to be transmitted on the target logical channel according to the target address information and the priority information of the logical channel, wherein the target logical channel includes at least one logical channel, and the target address information includes the target The destination address to which the logical channel belongs.
- a wireless communication method including:
- the first device sends first indication information to the first terminal, where the first indication information is used to indicate shared authorized resources;
- the first device receives second indication information sent by the first terminal, where the second indication information is used to indicate whether to use shared authorized resources.
- a third aspect provides a terminal device for executing the method in the above first aspect or its respective implementations.
- the terminal device includes a functional module for executing the method in the above-mentioned first aspect or its respective implementations.
- a fourth aspect provides a communication device for performing the method in the above second aspect or its respective implementations.
- the communication device includes a functional module for performing the method in the above second aspect or its respective implementations.
- a terminal device including a processor and a memory.
- the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory to execute the method in the above first aspect or its implementations.
- a communication device including a processor and a memory.
- the memory is used to store computer programs
- the processor is used to call and run the computer programs stored in the memory, and execute the method in the above second aspect or its respective implementations.
- a seventh aspect provides a chip for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
- the chip includes: a processor, configured to call and run a computer program from a memory, so that the device installed with the device executes any one of the above-mentioned first to second aspects or implementations thereof. method.
- An eighth aspect provides a computer-readable storage medium for storing a computer program, the computer program causing the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
- a computer program product including computer program instructions, which cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
- a tenth aspect provides a computer program that, when run on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
- the first terminal can receive first indication information sent by other devices (such as network devices or second terminals).
- the first indication information is used to instruct other devices to share authorized resources with the first terminal.
- the first terminal can allocate the shared authorization resources to the target logical channel in the target address information according to the target address information and the priority of the logical channel.
- the first terminal can perform side transmission based on the shared authorization resources, which is beneficial to Improve sideline transmission performance.
- Figure 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
- FIG. 2 is a schematic diagram of another communication system architecture applied in the embodiment of the present application.
- Figure 3 is a schematic interaction diagram of a wireless communication method provided by an embodiment of the present application.
- Figure 4 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
- Figure 5 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
- Figure 6 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
- Figure 7 is a schematic block diagram of a chip provided according to an embodiment of the present application.
- Figure 8 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA broadband code division multiple access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced long term evolution
- NR New Radio
- NTN Non-Terrestrial Networks
- UMTS Universal Mobile Telecommunication System
- WLAN Wireless Local Area Networks
- WiFi wireless fidelity
- 5G fifth-generation communication
- the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) deployment scenario.
- CA Carrier Aggregation
- DC Dual Connectivity
- SA standalone deployment scenario.
- the communication system in the embodiment of the present application can be applied to the unlicensed spectrum, where the unlicensed spectrum can also be considered as a shared spectrum; or the communication system in the embodiment of the present application can also be applied to the licensed spectrum, where, Licensed spectrum can also be considered as unshared spectrum.
- the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
- the terminal equipment may also be called user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
- User Equipment User Equipment
- the terminal device can be a station (STATION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, or a personal digital assistant.
- PDA Personal Digital Assistant
- handheld devices with wireless communication capabilities computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or in the future Terminal equipment in the evolved Public Land Mobile Network (PLMN) network, etc.
- PLMN Public Land Mobile Network
- the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites). superior).
- the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, or an augmented reality (Augmented Reality, AR) terminal.
- Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home, etc.
- the terminal device may also be a wearable device.
- Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
- wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
- the network device may be a device used to communicate with mobile devices.
- the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA.
- BTS Base Transceiver Station
- it can be a base station (NodeB, NB) in WCDMA, or an evolutionary base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network network equipment or base station (gNB) or network equipment in the future evolved PLMN network or network equipment in the NTN network, etc.
- NodeB base station
- gNB NR network network equipment or base station
- the network device may have mobile characteristics, for example, the network device may be a mobile device.
- the network device can be a satellite or balloon station.
- the satellite can be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geosynchronous orbit (geostationary earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite ) satellite, etc.
- the network device may also be a base station installed on land, water, etc.
- network equipment can provide services for a cell, and terminal equipment communicates with the network equipment through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
- the cell can be a network equipment ( For example, the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
- the small cell here can include: urban cell (Metro cell), micro cell (Micro cell), pico cell ( Pico cell), femto cell (Femto cell), etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-rate data transmission services.
- the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
- a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
- correlate can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed, configuration and being. Configuration and other relationships.
- predefinition or “preconfiguration” can be achieved by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
- devices for example, including terminal devices and network devices.
- predefined can refer to what is defined in the protocol.
- the "protocol” may refer to a standard protocol in the communication field, which may include, for example, LTE protocol, NR protocol, and related protocols applied in future communication systems. This application does not limit this.
- FIG. 1 is a schematic diagram of a communication system applicable to the embodiment of the present application.
- the transmission resources of the vehicle-mounted terminals (vehicle-mounted terminal 121 and vehicle-mounted terminal 122) are allocated by the base station 110, and the vehicle-mounted terminals transmit data on the sidelink according to the resources allocated by the base station 110.
- the base station 110 may allocate resources for a single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
- FIG. 2 is a schematic diagram of another communication system applicable to the embodiment of the present application.
- the vehicle-mounted terminals (vehicle-mounted terminal 131 and vehicle-mounted terminal 132) independently select transmission resources on the resources of the side link for data transmission.
- the vehicle-mounted terminal can select transmission resources randomly or select transmission resources through listening.
- device-to-device communication is a Sidelink (SL) transmission technology based on Device to Device (D2D), which is different from the traditional cellular system in which communication data is received or sent through the base station.
- SL Sidelink
- D2D Device to Device
- the methods are different.
- the Internet of Vehicles system uses end-to-end direct communication, so it has higher spectrum efficiency and lower transmission delay.
- Mode A The transmission resources of the terminal are allocated by the base station, and the terminal transmits data on the sidelink according to the resources allocated by the base station; the base station can allocate resources for a single transmission to the terminal, or can allocate semi-static transmission resources to the terminal. resource.
- Mode B The terminal selects a resource in the resource pool for data transmission.
- Proximity-based Services involve device-to-device communication, mainly targeting public safety services.
- ProSe by configuring the position of the resource pool in the time domain, for example, the resource pool is discontinuous in the time domain, so that the UE can transmit/receive data discontinuously on the sidelink, thereby achieving the effect of power saving.
- the Internet of Vehicles system is mainly studied for vehicle-to-vehicle communication scenarios, which are mainly oriented to relatively high-speed moving vehicle-to-vehicle and vehicle-to-human communication services.
- V2X since the vehicle system has continuous power supply, power efficiency is not the main issue, but the delay of data transmission is the main issue. Therefore, the system design requires the terminal equipment to transmit and receive continuously.
- Wearable device (FeD2D) scenario has been studied on the scenario where wearable devices access the network through mobile phones. It is mainly oriented to low mobile speed and low power access scenarios.
- the base station can configure the Discontinuous Reception (DRX) parameters of the remote terminal through a relay terminal.
- DRX Discontinuous Reception
- a multi-carrier mechanism is introduced, which is mainly reflected in the fact that the UE can support data packet segmentation and transmit data packets through multiple carriers to improve the data transmission rate; data packet replication, copying the same data packet into two copies, through Two carriers are sent to improve transmission reliability; and multi-carrier reception enhancement at the receiving end.
- Sidelink communication supports sidelink packet replication and is executed at the UE's Packet Data Convergence Protocol (PDCP) layer.
- PDCP Packet Data Convergence Protocol
- PDU Packet Data Convergence Protocol
- Duplicate PDCP PDUs of the same PDCP entity are submitted to two different Radio Link Control (RLC) entities and are respectively associated with two different sidelink logical channels. Duplicate PDCP PDUs for the same PDCP entity are only allowed to be transmitted on different sidelink carriers.
- RLC Radio Link Control
- NR-V2X New Radio-Vehicle to Everything
- autonomous driving is supported, which puts forward higher requirements for data interaction between vehicles, such as higher throughput, lower latency, higher reliability, larger coverage, more flexible resource allocation, etc.
- the broadcast transmission method is supported, and in the NR-V2X system, unicast and multicast transmission methods are introduced.
- the NR V2X system can also define the above two resource authorization modes mode A/mode B.
- Resource acquisition is indicated through sidelink authorization, that is, the sidelink authorization indicates the corresponding physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH) resources. Time and frequency position.
- sidelink authorization indicates the corresponding physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH) resources. Time and frequency position.
- PSCCH Physical Sidelink Control Channel
- PSSCH Physical Sidelink Shared Channel
- HARQ Hybrid Automatic Repeat reQuest
- communication equipment may perform LBT before performing transmission on a cell configured with shared spectrum (or unlicensed spectrum, unlicensed spectrum) channel access.
- LBT LBT
- the transmitter of the communication device listens or senses the channel to determine whether the channel is idle or busy, and only performs transmission when it senses that the channel is idle.
- the terminal device When the terminal device detects a persistent uplink LBT failure, appropriate measures are taken. The detection is per Band Width Part (BWP) and based on all upstream transmissions within that BWP.
- BWP Band Width Part
- the terminal device passes the Media Access Control Control Element (MAC CE) on a different serving cell than the SCell where the failure was detected. Report the uplink LBT fault to the corresponding network device. If the terminal device has no resources available for transmitting MAC CE, the terminal device can transmit a Scheduling Request (SR).
- BWP Band Width Part
- MAC CE Media Access Control Element
- the terminal device When a persistent uplink LBT failure is detected on the special cell (SpCell), the terminal device switches to another uplink BWP configured with random access channel (Random Access Channel, RACH) resources on the special cell and initiates RACH , and report the fault through MAC CE.
- RACH Random Access Channel
- the terminal device determines which BWP to select to initiate RACH and report the fault.
- the terminal device For the Primary and Secondary Cells (PSCell), if a persistent uplink LBT failure is detected on all uplink BWPs configured with RACH resources, the terminal device declares a Secondary Cell Group (SCG) radio link failure (Radio Link Failure, RLF) and reports the failure to the master node (Master Node, MN) through SCG failure information (SCGFailureInformation).
- SCG Secondary Cell Group
- MN Master Node
- SCGFailureInformation For the primary cell (PCell), if an uplink LBT failure is detected on all uplink BWPs with configured RACH resources, the terminal device declares RLF.
- sidelink transmission can also use shared spectrum.
- the terminal device needs to perform LBT before performing sidelink transmission, and only performs sidelink transmission when it detects that the channel is idle. Sidelink transmission efficiency is low, so , how to carry out effective side-link transmission to improve side-link transmission efficiency is an urgent problem that needs to be solved.
- Figure 3 is a schematic interaction diagram of a wireless communication method 200 according to an embodiment of the present application. As shown in Figure 3, the method 200 includes at least part of the following content:
- the first terminal receives first indication information, where the first indication information is used to indicate shared authorized resources;
- S220 Allocate authorized resources to the target logical channel according to the target address information and the priority information of the logical channel, where the target logical channel includes at least one logical channel.
- the method 200 further includes:
- the authorized resources are used to transmit the data to be transmitted on the target logical channel.
- allocating authorization resources to the target logical channel may refer to allocating authorization resources to data to be transmitted on the target logical channel, or in other words, allocating authorization resources to data transmission on the target logical channel.
- the data to be transmitted may be sideline data.
- the first terminal may use shared authorized resources to send sideline data.
- SL-U side-link
- LTE-U long term evolution
- NR-U NR-U
- the target address information (or, can be understood as the target address information corresponding to the first indication information) represents the target address information to which the authorized resources can be shared, or in other words, the target address information to which the authorized resources can be shared.
- the logical channel in that is, the authorized resource can be shared for data transmission on the logical channel in which target address information.
- target address information may be used to represent traffic type information. That is, the target address information may indicate which service type of data transmission the authorized resources indicated by the first indication information can be shared for.
- the target address information may be replaced by target address information corresponding to the first indication information.
- target address information may be explicitly indicated or may be indicated implicitly, which is not limited in this application.
- the target address information is determined based on the target address information carried in the first indication information.
- the target address information carried in the first indication information is determined as the target address information.
- the target address information can be any target address information (or, in other words, is not limited to target address information), or it can also be a specific target. Address information.
- the specific target address information may be indicated by the network device, or may be predefined.
- the target address information may be one target address information, or may be multiple target address information, or may be any target address information (or, in other words, is not limited to target address information).
- the target logical channel is determined based on target address information.
- the target address information includes a target address to which the target logical channel belongs.
- the target logical channel is directed to specific target address information, and the target address targeted by the target logical channel is included in the target address information.
- the authorized resources indicated by the first indication information may be shared for data transmission on the logical channel in the target address information.
- the target address information includes target address A
- the target logical channel is a logical channel in target address A.
- the target address information includes target address A and target address B.
- the target logical channel may be the logical channel in target address A, or it may also be the logical channel in target address B.
- the target address information is any target address
- the target logical channel can be a logical channel in any target address
- the first indication information is also called a channel occupancy time (Channel Occupancy Time, COT) sharing indication.
- COT Channel Occupancy Time
- the first indication information may be used to indicate COT sharing information, and the COT sharing information may be used to determine shared grant resources.
- the first indication information is used to indicate at least one of the following:
- the remaining duration information of COT includes available subband information, channel access priority class (CAPC) information, and COT shared identification ID information.
- CAC channel access priority class
- the COT shared ID information includes at least one of the following:
- Target terminal ID terminal group ID, service identification information, sideline SL zone (Zone) ID.
- the target terminal ID may be used to identify terminals that are allowed to share information using COT.
- the terminal group ID is used to indicate a terminal group ID that is allowed to use COT shared information. That is, the terminals in the terminal group identified by the terminal group ID can use the COT shared information.
- the service identification information is used to indicate services that are allowed to use COT shared information transmission. That is, the service identified by the service identification information can use the COT shared information.
- the SL Zone ID is used to identify a zone where COT shared information can be used.
- the area where COT shared information can be used can be determined through signal quality measurements, such as Reference Signal Receiving Power (RSRP) measurements or Channel Busy Ratio (CBR) measurements.
- RSRP Reference Signal Receiving Power
- CBR Channel Busy Ratio
- the COT shared information can be shared in an implicit public group, wherein the public group can determine whether the COT shared information is valid according to the evaluation result of the receiving terminal of the COT shared information, or whether to use The COT shares information.
- the evaluation criteria for the receiving terminal of COT shared information to evaluate whether the COT shared information is valid may refer to at least one of the following criteria:
- the preset COT sharing range or area which can be determined through SL Zone ID, or RSRP measurement, etc.;
- Channel quality measurement of the receiving terminal such as RSRP measurement, or CBR measurement, etc.
- the SL-U frame structure may support a 16us guard interval (Guard Period, GP).
- Guard Period GP
- the first indication information may be sent by a first device, which may be a network device, or may be another terminal device, such as a second terminal.
- the network device can share the obtained COT with the terminal device, or different terminal devices can share the COT, for example, terminal devices that establish a PC5 Radio Resource Control (RRC) connection can share the COT.
- RRC Radio Resource Control
- the first terminal may use shared authorized resources to send data to the second device, for example, to send uplink data to the network device, or to send sidelink data to the third terminal.
- the third terminal may be the same as the second terminal, or may be different.
- the first indication information can be transmitted through any downlink signaling (or, in other words, signaling on the Uu interface).
- command when the first device is a terminal device, the first indication information can be sent through any sidelink signaling (or, in other words, signaling on the PC5 interface).
- the first indication information is sent through at least one of the following signaling:
- the first indication information when the first indication information is sent by the network device, the first indication information may be sent through a DL MAC CE or RRC message.
- the first indication information when the first indication information is sent by the second terminal, the first indication information may be sent through the SL MAC CE or PC5-RRC message.
- the first indication information may be multiplexed and transmitted with other data or signaling (such as sidelink data or sidelink signaling, or downlink data or downlink signaling), or may be transmitted separately, That is, it cannot be multiplexed and transmitted with other data or signaling.
- data or signaling such as sidelink data or sidelink signaling, or downlink data or downlink signaling
- the first indication information may be multiplexed and transmitted with data or signaling that overlaps with the target address information.
- the target address information includes target address information of transmitted data or signaling multiplexed with the first indication information.
- the first indication information is resource multiplexed and transmitted with the first MAC service data unit (service data unit, SDU) or the first SL MAC CE.
- the first MAC SDU or the first SL MAC CE corresponds to the first target address information, and the target address information carried by the first indication information includes the first target address information.
- the first MAC SDU or the first SL MAC CE is the to-be-transmitted MAC SDU or MAC CE of the sending end device of the first indication information. That is, the first MAC SDU or the first SL MAC CE may be the MAC SDU or MAC CE that the sending device currently needs to transmit.
- the first indication information carries a target address information
- the first target address information is the target address information. That is, the first MAC SDU or the first SL MAC CE may be the MAC SDU or MAC CE corresponding to the first target address information.
- the sending device can multiplex the first indication information and the MAC SDU or SL MAC CE corresponding to the same target address information before transmitting.
- the first instruction information carries multiple target address information
- the first target address information is any target address information among the multiple target address information. That is, the first MAC SDU or the first SL MAC CE may be a MAC SDU or MAC CE corresponding to any one of the plurality of target address information.
- the sending device may multiplex the first indication information and the MAC SDU or SL MAC CE of any target address information among the plurality of target address information corresponding to the first indication information before transmitting.
- the first indication information does not carry target address information
- the target address information of the first MAC SDU or the first SL MAC CE is any target address information
- the first indication information does not carry the target address information, which may indicate that the shared authorization resources can be shared to the logical channel in any target address. Therefore, the first MAC SDU or the first SL MAC CE can be the MAC SDU or MAC CE corresponding to any destination address.
- the sending end device can combine the first indication information and the to-be-transmitted MAC SDU corresponding to any target address information.
- SL MAC CE performs resource multiplexing and then transmits.
- the first indication information may not be resource multiplexed with the MAC SDU or SL MAC CE of any target address information.
- the first indication information may be transmitted separately.
- the first terminal before allocating resources to a logical channel, the first terminal first selects a logical channel, that is, selects a target logical channel to which authorized resources are allocated, that is, selects which logical channels are allocated shared authorized resources.
- the method 200 further includes:
- a target logical channel is selected among the logical channels included in the target address information.
- the first terminal may select a target logical channel among the logical channels included in the target address information based on at least one of whether there is data to be transmitted on the logical channel, HARQ attributes of the logical channel and resource attributes usable by the logical channel.
- the first terminal first determines a candidate logical channel set according to the target address information, where the logical channels in the candidate logical channel set belong to the target address information;
- the target logical channel is selected from the candidate logical channel set according to at least one of whether there is data to be transmitted on the logical channel, HARQ attributes of the logical channel and resource attributes usable by the logical channel.
- the HARQ attributes of the logical channel may include whether HARQ feedback of the logical channel is enabled.
- resource attributes usable by a logical channel may include at least one of the following:
- CG Configured Grant
- a logical channel may be configured with at least one of the following parameters:
- Sidelink CG allowed (sl-configuredgranttypeallowed) is used to configure whether the logical channel is allowed to use CG resources for sidelink transmission;
- the sidelink allowed CG list (sl-allowedCG-list) is used to configure the CG resources for sidelink transmission that are allowed to be used by this logical channel;
- Sidelink HARQ feedback enable (sl-HARQ-FeedbackEnabled) is used to configure whether to enable HARQ feedback for the logical channel.
- the target logical channel is a logical channel that meets at least one of the following conditions:
- Condition 1 There is data to be transmitted on the target logical channel
- Condition 2 When the authorized resources indicated by the first indication information are CG resources, the target logical channel is configured to allow the use of CG resources;
- Condition 3 When the authorized resources indicated by the first indication information are CG resources, the available CG resource configuration corresponding to the target logical channel includes the CG resources indicated by the first indication information;
- Condition 4 The HARQ attribute of the target logical channel is the same as the HARQ attribute corresponding to the highest priority logical channel.
- the target address information includes one target address information, and the target logical channel belongs to the one target address information.
- the target address information includes a plurality of target address information
- the target logical channel belongs to the second target address information in the plurality of target address information.
- the second target address information is the target address information of the logical channel with the highest priority among the plurality of target address information.
- the highest priority logical channel may refer to the highest priority logical channel among the logical channels that satisfy at least one of the above conditions 1 to 3.
- the HARQ attributes of the target logical channel are the same as the HARQ attributes corresponding to the highest priority logical channel, which may include:
- HARQ feedback is enabled on both the target logical channel and the highest priority logical channel;
- HARQ feedback is not enabled on both the target logical channel and the highest priority logical channel.
- the target logical channel is configured to allow the use of CG resources, including:
- the side row CG type corresponding to the target logical channel allows the sl-configuredgranttypeallowed parameter to be set to true.
- the available CG resource configuration corresponding to the target logical channel includes the CG resources indicated by the first indication information, including:
- the sideline allowed CG list sl-allowedCG-list configuration corresponding to the target logical channel includes the CG index (configured grant index) corresponding to the grant resource indicated by the first indication information. That is, the target logical channel is allowed to use the authorized resources indicated by the first indication information.
- the S220 includes:
- the authorized resources indicated by the first indication information are sequentially allocated to the target logical channel in order of priority of the logical channel from high to low. That is, resources are allocated to the selected logical channels (ie, target logical channels) in descending order of logical channel priorities.
- the network device can configure the following parameters for each logical channel through RRC signaling:
- PBR Prioritized Bit Rate
- Bucket size duration (bucketSizeDuration, BSD) this parameter determines the depth of the token bucket corresponding to the logical channel.
- the MAC layer of the first terminal may maintain a variable SBj for each logical channel j, where j is an integer, and SBj is set as follows:
- step 2 If the updated SBj in step 2 is greater than the side token bucket capacity (i.e., PBR*BSD), then set SBj to the side token bucket capacity.
- the side token bucket capacity i.e., PBR*BSD
- allocating the authorized resources to the target logical channel based on the target address information and the priority information of the logical channel includes:
- Step 1 Select logical channel j with SBj greater than 0 in the target logical channel, and allocate resources to each logical channel in order of priority of the logical channel from high to low;
- Step 2 Subtract the size of the MAC SDU allocated to logical channel j from the SBj corresponding to logical channel j to obtain the updated SBj.
- the remaining authorized resources are allocated to each logical channel in order from high to low logical channel priority. Only when the data of the high-priority logical channel has been sent and the authorized resources have not been exhausted, the low-priority logical channel can be served. Logical channels with the same priority should receive equal service.
- the method 200 further includes:
- the first terminal sends second indication information, and the second indication information is used to indicate whether to use shared authorization resources.
- the first terminal may determine whether to use shared authorization resources.
- the first terminal determines not to use the shared authorization resources. For example, if the candidate logical channel set does not include logical channels with data to be transmitted, or the authorized resources indicated by the first indication information are CG resources, but the logical channels in the candidate logical channel set are not allowed to use CG resources, or the use of CG resources is allowed.
- the used CG resource list does not include the CG resources indicated by the first indication information, and the first terminal may determine not to use the shared authorized resources.
- the first terminal may send the second indication information to the first device, and the first device may be a network device or other terminal, such as the second terminal.
- the second indication information is sent in at least one of the following ways:
- the feedback resources corresponding to the first indication information include:
- PFCH Physical Sidelink Feedback Channel
- PUCCH Physical Uplink Control Channel
- the first indication information fed back through the MAC CE may include the first indication information fed back through the newly added MAC CE or the existing MAC CE.
- the second indication information is fed back through the first MAC CE, which is dedicated to feedback whether to use the shared authorization resources. That is, the first MAC CE can be a dedicated MAC CE for COT shared feedback.
- the second indication information is used to indicate at least one of the following states:
- the first indication information is not received correctly.
- the method 200 further includes:
- the MAC layer is triggered to perform resource reselection.
- the first terminal when the first terminal determines to use shared authorized resources, the first terminal can use the authorized resources to transmit the data currently to be transmitted, that is, without using the previously selected resources, and further trigger MAC layer resource reselection to for subsequent data transmission.
- the first terminal that is, the first terminal autonomously selects resources for sidelink transmission in the resource pool
- the first terminal autonomously selects resources for sidelink transmission in the resource pool
- the method 200 further includes:
- the MAC layer After using the authorized resources indicated by the first indication information, the MAC layer is triggered to perform resource reselection.
- the first terminal can trigger MAC layer resource reselection again for subsequent data transmission.
- the design of the shared COT needs to consider information such as the processing time of the COT sharing indication and the minimum listening time specified by regulations.
- the inheritance and forwarding of COT shared information need to meet the following processing time conditions:
- the time length between the end position of the symbol receiving the COT sharing indication and the starting position of the symbol sending the COT sharing indication is greater than or equal to Tproc,SL-U, where Tproc,SL-U is the inheritance and forwarding of COT sharing information that needs to be considered processing time.
- the first terminal when the first terminal receives multiple COT shared information that meets the processing time condition, the first terminal can select the target COT shared information among them for inheritance and forwarding.
- the first terminal may select the target COT shared information according to the remaining COT lengths in the plurality of COT shared information. For example, select the COT shared information with the longest remaining COT length. Wherein, the COT shared information with the longest remaining COT length forwarded by the first terminal is determined relative to the sending time of the first terminal.
- the first terminal selects the target COT shared information based on the CAPC values in the multiple COT shared information. For example, select the COT shared information with the largest CAPC value.
- the first terminal can receive the first indication information sent by other devices (such as network devices or second terminals).
- the first indication information is used to instruct other devices to share the authorization with the first terminal. resources.
- the first terminal can allocate the shared authorization resources to the target logical channel in the target address information according to the target address information and the priority of the logical channel. Further, the first terminal can perform flanking based on the shared authorization resources. Line transmission is helpful to improve side line transmission performance.
- the first indication information may be sent through any downlink message or sidelink message.
- the first indication information may be multiplexed and transmitted with other data or signaling (such as sidelink data or sidelink signaling, or downlink data or downlink signaling), or may be transmitted separately, that is, it may not be transmitted with Other data or signaling multiplex transmission.
- the first terminal may determine the usage mode of the authorized resources indicated by the first indication information. For example, the first terminal may first select the target logical channel according to the target address information, and further select the target logical channel according to the logical priority from high to low. In order, the shared authorization resources are allocated to the target logical channels in turn.
- the first terminal may also send second indication information to the sending terminal of the first indication information, to indicate whether the first terminal uses the shared authorization resources.
- Figure 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
- the terminal device 400 includes:
- Communication unit 410 configured to receive first indication information, where the first indication information is used to indicate shared authorized resources;
- the processing unit 420 is configured to allocate the authorized resources to the data to be transmitted on the target logical channel according to the target address information and the priority information of the logical channel, wherein the target logical channel includes at least one logical channel, and the target The address information includes the target address to which the target logical channel belongs.
- the target address information is the target address information carried in the first indication information
- the target address information is any target address information.
- the first indication information is used to indicate at least one of the following:
- the remaining duration information of the channel occupancy time COT includes available subband information, channel access priority level CAPC information, and COT shared identification ID information.
- the COT shared identification ID information includes at least one of the following:
- Target terminal ID terminal group ID, service identification information, side SL area ID.
- the first indication information is sent through at least one of the following signaling:
- SL media access control control element MAC CE PC5-Radio Resource Control RRC message, downlink MAC CE, RRC message.
- the first indication information is resource multiplexed and transmitted with the first MAC service data unit SDU or the first SL MAC CE, where,
- the first MAC SDU or the first SL MAC CE corresponds to the first target address information, and the target address information carried by the first indication information includes the first target address information, or,
- the first MAC SDU or the first SL MAC CE is the MAC SDU or MAC CE to be transmitted by the sending end device of the first indication information.
- the first indication information carries a target address information, and the first target address information is the target address information;
- the first indication information carries multiple target address information, and the first target address information is any one of the multiple target address information; or
- the first indication information does not carry target address information, and the target address information of the first MAC SDU or the first SL MAC CE is any target address information.
- the processing unit 420 is also used to:
- the target logical channel is selected among the logical channels included in the target address information.
- the target logical channel is a logical channel that meets at least one of the following conditions:
- Data is to be transmitted on the target logical channel
- the target logical channel is configured to allow the use of CG resources
- the available CG resource configuration corresponding to the target logical channel includes the CG resources indicated by the first indication information
- the hybrid automatic retransmission HARQ attribute of the target logical channel is the same as the HARQ attribute corresponding to the highest priority logical channel.
- the first indication information carries one target address information, and the target logical channel belongs to the one target address information.
- the first indication information carries multiple target address information
- the target logical channel belongs to the second target address information among the multiple target address information, wherein the second target address information It is the target address information of the logical channel with the highest priority among the plurality of target address information.
- the target logical channel is configured to allow the use of CG resources, including:
- the side row CG type corresponding to the target logical channel allows the sl-configuredgranttypeallowed parameter to be set to true.
- the available CG resource configuration corresponding to the target logical channel includes the CG resources indicated by the first indication information, including:
- the side-link allowed CG list sl-allowedCG-list configuration corresponding to the target logical channel includes the CG index corresponding to the authorized resource indicated by the first indication information.
- the processing unit 420 is also used to:
- the authorized resources are sequentially allocated to the target logical channels in order of priority of the logical channels from high to low.
- the processing unit 420 is also used to:
- the priority bit rate PBR of the logical channel j when the priority bit rate PBR of the logical channel j is set to infinity, and resources are allocated to all data to be transmitted on the logical channel j, the low-priority Allocate resources to the logical channel of logical channel j.
- the terminal device when establishing logical channel j, the terminal device initializes SBj to 0; and/or
- the terminal device increases SBj by PBR*T before each logical channel priority LCP processing, where T is the time interval from the last time SBj was increased to the current time;
- SBj is set to the capacity of the side token bucket.
- the communication unit 410 is also used for:
- Send second indication information where the second indication information is used to indicate whether to use shared authorization resources.
- the second indication information is sent in at least one of the following ways:
- the feedback resources corresponding to the first indication information include:
- Feedback is provided through the physical sidelink feedback channel PSFCH or the physical uplink control channel PUCCH.
- the second indication information fed back through MAC CE includes:
- the second indication information is fed back through the first MAC CE, and the first MAC CE is dedicated to feedback whether to use the shared authorization resources.
- the second indication information is used to indicate at least one of the following states:
- the first indication information is not received correctly.
- the processing unit 420 is also used to:
- the MAC layer is triggered to perform resource reselection.
- the processing unit 420 is also used to:
- the MAC layer After using the authorized resources indicated by the first indication information, the MAC layer is triggered to perform resource reselection.
- the first indication information is sent by a network device or sent by the second terminal.
- the communication unit 410 is also used to:
- the authorized resources are used to transmit the data to be transmitted on the target logical channel.
- the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
- the above-mentioned processing unit may be one or more processors.
- terminal device 400 may correspond to the first terminal in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the terminal device 400 are respectively intended to implement what is shown in Figure 3
- the corresponding process of the first terminal in method 200 will not be described again for the sake of simplicity.
- FIG. 5 is a schematic block diagram of a communication device according to an embodiment of the present application.
- the communication device 500 of Figure 8 includes:
- the communication unit 510 is configured to send first indication information to the first terminal, where the first indication information is used to indicate shared authorized resources; and receive second indication information sent by the first terminal, where the second indication information Indicates whether to use shared authorization resources.
- the first device is a network device or a second terminal.
- the first indication information is used to indicate at least one of the following:
- the remaining duration information of the channel occupancy time COT includes available subband information, channel access priority level CAPC information, and COT shared identification ID information.
- the COT shared identification ID information includes at least one of the following:
- Target terminal ID terminal group ID, service identification information, side SL area ID.
- the first indication information is sent through at least one of the following signaling:
- SL media access control control element MAC CE PC5-Radio Resource Control RRC message, downlink MAC CE, RRC message.
- the first indication information is resource multiplexed and transmitted with the first MAC service data unit SDU or the first SL MAC CE, wherein,
- the first MAC SDU or the first SL MAC CE corresponds to the first target address information, and the target address information carried by the first indication information includes the first target address information, or,
- the first MAC SDU or the first SL MAC CE is the MAC SDU or MAC CE to be transmitted by the sending end device of the first indication information.
- the first indication information carries a target address information, and the first target address information is the target address information;
- the first indication information carries multiple target address information, and the first target address information is any one of the multiple target address information; or
- the first indication information does not carry target address information, and the target address information of the first MAC SDU or the first SL MAC CE is any target address information.
- the second indication information is sent in at least one of the following ways:
- the feedback resources corresponding to the first indication information include:
- Feedback is provided through the physical sidelink feedback channel PSFCH or the physical uplink control channel PUCCH.
- the second indication information fed back through MAC CE includes:
- Feedback is provided through the first MAC CE, which is dedicated to feedback whether the shared authorization resources are used.
- the second indication information is used to indicate at least one of the following states:
- the first indication information is not received correctly.
- the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
- the above-mentioned processing unit may be one or more processors.
- the communication device 500 may correspond to the first device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the communication device 500 are respectively intended to implement what is shown in Figure 3
- the corresponding process of the first device in method 200 will not be described again for the sake of simplicity.
- Figure 6 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
- the communication device 600 shown in Figure 6 includes a processor 610.
- the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the communication device 600 may further include a memory 620.
- the processor 610 can call and run the computer program from the memory 620 to implement the method in the embodiment of the present application.
- the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
- the communication device 600 may also include a transceiver 630.
- the processor 610 may control the transceiver 630 to communicate with other devices.
- the communication device 600 may send information or data to other devices, or receive other devices. Information or data sent by the device.
- the transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
- the communication device 600 may specifically be the first device in the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the first device in the various methods of the embodiment of the present application. For the sake of brevity, no details are provided here. Again.
- the communication device 600 can be specifically the first terminal in the embodiment of the present application, and the communication device 600 can implement the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application. For the sake of brevity, they are not mentioned here. Again.
- Figure 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in Figure 7 includes a processor 710.
- the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the chip 700 may also include a memory 720 .
- the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
- the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
- the chip 700 may also include an input interface 730.
- the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
- the chip 700 may also include an output interface 740.
- the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
- the chip can be applied to the first device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the first device in the various methods of the embodiment of the present application.
- the details will not be described again.
- the chip can be applied to the first terminal in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
- the chip can implement the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
- chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
- Figure 8 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 8 , the communication system 900 includes a terminal device 910 and a first device 920 .
- the terminal device 910 can be used to implement the corresponding functions implemented by the first terminal in the above method
- the first device 920 can be used to implement the corresponding functions implemented by the first device in the above method. For simplicity, in This will not be described again.
- the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
- each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
- the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available processors.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
- the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
- RAM Random Access Memory
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- enhanced SDRAM ESDRAM
- Synchlink DRAM SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiment of the present application can also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
- Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium can be applied to the first device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the first device in the various methods of the embodiment of the present application.
- I won’t go into details here.
- the computer-readable storage medium can be applied to the first terminal in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
- I won’t go into details here.
- An embodiment of the present application also provides a computer program product, including computer program instructions.
- the computer program product can be applied to the first device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the first device in the various methods of the embodiment of the present application. For simplicity, in This will not be described again.
- the computer program product can be applied to the first terminal in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application. For simplicity, in This will not be described again.
- An embodiment of the present application also provides a computer program.
- the computer program can be applied to the first device in the embodiment of the present application.
- the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the first device in each method of the embodiment of the present application.
- the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the first device in each method of the embodiment of the present application.
- the computer program can be applied to the first terminal in the embodiment of the present application.
- the computer program executes the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
- the computer program executes the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
- the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .
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Abstract
Description
Claims (80)
- 一种无线通信的方法,其特征在于,包括:第一终端接收第一指示信息,所述第一指示信息用于指示共享的授权资源;根据目标地址信息和逻辑信道的优先级信息,将所述授权资源分配给目标逻辑信道上的待传输数据,其中,所述目标逻辑信道包括至少一个逻辑信道,所述目标地址信息包括所述目标逻辑信道所属的目标地址。
- 根据权利要求1所述的方法,其特征在于,所述第一指示信息用于指示以下中的至少一项:信道占用时间COT的剩余时长信息,可用子带信息,信道接入优先级等级CAPC信息,COT共享标识ID信息。
- 根据权利要求2所述的方法,其特征在于,所述COT共享标识ID信息包括以下中的至少之一:目标终端ID、终端组ID、业务标识信息、侧行SL区域ID。
- 根据权利要求1-3中任一项所述的方法,其特征在于,所述第一指示信息是通过以下信令中的至少之一发送的:SL媒体接入控制控制元素MAC CE,PC5-无线资源控制RRC消息,下行MAC CE,RRC消息。
- 根据权利要求1-4中任一项所述的方法,其特征在于,所述第一指示信息与第一MAC服务数据单元SDU或第一SL MAC CE进行资源复用传输,其中,所述第一MAC SDU或所述第一SL MAC CE对应第一目标地址信息,所述第一指示信息携带的目标地址信息包括所述第一目标地址信息,或者,所述第一MAC SDU或所述第一SL MAC CE是所述第一指示信息的发送端设备的待传输MAC SDU或MAC CE。
- 根据权利要求5所述的方法,其特征在于,所述第一指示信息携带一个目标地址信息,所述第一目标地址信息为所述一个目标地址信息;或者所述第一指示信息携带多个目标地址信息,所述第一目标地址信息为所述多个目标地址信息中的任一目标地址信息;或者所述第一指示信息未携带目标地址信息,所述第一MAC SDU或所述第一SL MAC CE的目标地址信息为任一目标地址信息。
- 根据权利要求1-6中任一项所述的方法,其特征在于,所述方法还包括:根据逻辑信道上是否有待传输数据,逻辑信道的混合自动请求重传HARQ属性和逻辑信道可使用的资源属性中的至少之一,在所述目标地址信息具有的逻辑信道中选择所述目标逻辑信道。
- 根据权利要求7所述的方法,其特征在于,所述目标逻辑信道为满足以下条件中的至少之一的逻辑信道:所述目标逻辑信道上有待传输数据;在所述第一指示信息指示的授权资源为配置授权CG资源的情况下,所述目标逻辑信道被配置为允许使用CG资源;在所述第一指示信息指示的授权资源为CG资源的情况下,所述目标逻辑信道对应的可用CG资源配置包括所述第一指示信息所指示的CG资源;所述目标逻辑信道的混合自动请求重传HARQ属性和最高优先级的逻辑信道对应的HARQ属性相同。
- 根据权利要求8所述的方法,其特征在于,所述第一指示信息中携带一个目标地址信息,所述目标逻辑信道属于所述一个目标地址信息。
- 根据权利要求8所述的方法,其特征在于,所述第一指示信息中携带多个目标地址信息,所述目标逻辑信道属于所述多个目标地址信息中的第二目标地址信息,其中,所述第二目标地址信息为所述多个目标地址信息中具有最高优先级的逻辑信道的目标地址信息。
- 根据权利要求8-10中任一项所述的方法,其特征在于,所述目标逻辑信道被配置为允许使用CG资源,包括:所述目标逻辑信道对应的侧行CG类型允许sl-configuredgranttypeallowed参数设置为真。
- 根据权利要求8-11中任一项所述的方法,其特征在于,所述目标逻辑信道对应的可用CG资源配置包括所述第一指示信息所指示的CG资源,包括:目标逻辑信道对应的侧行允许的CG列表sl-allowedCG-list配置中包含所述第一指示信息所指示的授权资源对应的CG索引。
- 根据权利要求1-12中任一项所述的方法,其特征在于,所述根据目标地址信息和逻辑信道的优先级信息,将所述授权资源分配给目标逻辑信道上的待传输数据,包括:按照逻辑信道的优先级由高到低的顺序,依次将所述授权资源分配给所述目标逻辑信道。
- 根据权利要求1-13中任一项所述的方法,其特征在于,所述根据目标地址信息和逻辑信道的优先级信息,将所述授权资源分配给目标逻辑信道上的待传输数据,包括:在所述目标逻辑信道中选择SBj大于0的逻辑信道j,并按照逻辑信道的优先级由高到低的顺序,依次给每个逻辑信道分配资源,其中j为整数,SBj是为逻辑信道j维护的变量;将所述逻辑信道j对应的SBj减去给所述逻辑信道j分配的MAC SDU的尺寸,得到更新的SBj。
- 根据权利要求14所述的方法,其特征在于,在所述逻辑信道j的优先比特速率PBR被设置为无穷大的情况下,在为所述逻辑信道j上的所有待传输数据均分配资源的情况下,再给优先级低于所述逻辑信道j的逻辑信道分配资源。
- 根据权利要求14或15所述的方法,其特征在于,所述第一终端在建立逻辑信道j时,将SBj初始化为0;和/或所述第一终端在每次进行逻辑信道优先级LCP处理过程之前,将SBj增加PBR*T,其中T为上次增加SBj的时刻到当前时刻的时间间隔;和/或在更新后的SBj大于侧行令牌桶容量的情况下,将SBj设置为侧行令牌桶容量。
- 根据权利要求1-16中任一项所述的方法,其特征在于,所述方法还包括:所述第一终端发送第二指示信息,所述第二指示信息用于指示是否使用共享的授权资源。
- 根据权利要求17所述的方法,其特征在于,所述第二指示信息通过以下方式中的至少之一发送:通过所述第一指示信息对应的反馈资源反馈;通过MAC CE反馈;通过PC5-RRC消息反馈;通过RRC消息反馈。
- 根据权利要求18所述的方法,其特征在于,所述通过所述第一指示信息对应的反馈资源反馈,包括:通过物理侧行反馈信道PSFCH或物理上行控制信道PUCCH反馈。
- 根据权利要求17-19中任一项所述的方法,其特征在于,所述第二指示信息通过MAC CE反馈包括:所述第二指示信息通过第一MAC CE反馈,所述第一MAC CE专用于反馈是否使用共享的授权资源。
- 根据权利要求17-20中任一项所述的方法,其特征在于,所述第二指示信息用于指示以下状态中的至少之一:正确接收所述第一指示信息但不使用所述第一指示信息所指示的授权资源;正确接收所述第一指示信息并且使用所述第一指示信息所指示的授权资源;未正确接收所述第一指示信息。
- 根据权利要求1-21中任一项所述的方法,其特征在于,所述方法还包括:在确定使用所述第一指示信息所指示的授权资源的情况下,触发MAC层进行资源重选。
- 根据权利要求1-22中任一项所述的方法,其特征在于,所述方法还包括:在使用所述第一指示信息所指示的授权资源之后,触发MAC层进行资源重选。
- 根据权利要求1-23中任一项所述的方法,其特征在于,所述第一指示信息是网络设备发送的,或者第二终端发送的。
- 根据权利要求1-24中任一项所述的方法,其特征在于,所述方法还包括:使用所述授权资源传输所述目标逻辑信道上的待传输数据。
- 根据权利要求1-25中任一项所述的方法,其特征在于,若所述第一指示信息中携带目标地址信息,所述目标地址信息为所述第一指示信息中携带的目标地址信息;或者若所述第一指示信息中不携带目标地址信息,所述目标地址信息为任意目标地址信息。
- 一种无线通信的方法,其特征在于,包括:第一设备向第一终端发送第一指示信息,所述第一指示信息用于指示共享的授权资源;所述第一设备接收所述第一终端发送的第二指示信息,所述第二指示信息用于指示是否使用共享的授权资源。
- 根据权利要求27所述的方法,其特征在于,所述第一设备为网络设备或第二终端。
- 根据权利要求27或28所述的方法,其特征在于,所述第一指示信息用于指示以下中的至少一项:信道占用时间COT的剩余时长信息,可用子带信息,信道接入优先级等级CAPC信息,COT共享标识ID信息。
- 根据权利要求29所述的方法,其特征在于,所述COT共享标识ID信息包括以下中的至少之一:目标终端ID、终端组ID、业务标识信息、侧行SL区域ID。
- 根据权利要求27-30中任一项所述的方法,其特征在于,所述第一指示信息是通过以下信令中的至少之一发送的:SL媒体接入控制控制元素MAC CE,PC5-无线资源控制RRC消息,下行MAC CE,RRC消息。
- 根据权利要求27-31中任一项所述的方法,其特征在于,所述第一指示信息与第一MAC服务数据单元SDU或第一SL MAC CE进行资源复用传输,其中,所述第一MAC SDU或所述第一SL MAC CE对应第一目标地址信息,所述第一指示信息携带的目标地址信息包括所述第一目标地址信息,或者,所述第一MAC SDU或所述第一SL MAC CE是所述第一指示信息的发送端设备的待传输MAC SDU或MAC CE。
- 根据权利要求32所述的方法,其特征在于,所述第一指示信息携带一个目标地址信息,所述第一目标地址信息为所述一个目标地址信息;或者所述第一指示信息携带多个目标地址信息,所述第一目标地址信息为所述多个目标地址信息中的任一目标地址信息;或者所述第一指示信息未携带目标地址信息,所述第一MAC SDU或所述第一SL MAC CE的目标地址信息为任一目标地址信息。
- 根据权利要求27-33中任一项所述的方法,其特征在于,所述第二指示信息通过以下方式中的至少之一发送:通过所述第一指示信息对应的反馈资源反馈;通过MAC CE反馈;通过PC5-RRC消息反馈;通过RRC消息反馈。
- 根据权利要求34所述的方法,其特征在于,所述通过所述第一指示信息对应的反馈资源反馈,包括:通过物理侧行反馈信道PSFCH或物理上行控制信道PUCCH反馈。
- 根据权利要求34或35所述的方法,其特征在于,所述通过MAC CE反馈包括:通过第一MAC CE反馈,所述第一MAC CE专用于反馈是否使用共享的授权资源。
- 根据权利要求27-36中任一项所述的方法,其特征在于,所述第二指示信息用于指示以下状态中的至少之一:正确接收所述第一指示信息但不使用所述第一指示信息所指示的授权资源;正确接收所述第一指示信息并且使用所述第一指示信息所指示的授权资源;未正确接收所述第一指示信息。
- 一种终端设备,其特征在于,包括:通信单元,用于接收第一指示信息,所述第一指示信息用于指示共享的授权资源;处理单元,用于根据目标地址信息和逻辑信道的优先级信息,将所述授权资源分配给目标逻辑信道上的待传输数据,其中,所述目标逻辑信道包括至少一个逻辑信道,所述目标地址信息包括所述目标逻辑信道所属的目标地址信息。
- 根据权利要求38所述的终端设备,其特征在于,所述第一指示信息用于指示以下中的至少一项:信道占用时间COT的剩余时长信息,可用子带信息,信道接入优先级等级CAPC信息,COT共享标识ID信息。
- 根据权利要求39所述的终端设备,其特征在于,所述COT共享标识ID信息包括以下中的至少之一:目标终端ID、终端组ID、业务标识信息、侧行SL区域ID。
- 根据权利要求38-40中任一项所述的终端设备,其特征在于,所述第一指示信息是通过以下信令中的至少之一发送的:SL媒体接入控制控制元素MAC CE,PC5-无线资源控制RRC消息,下行MAC CE,RRC消息。
- 根据权利要求38-41中任一项所述的终端设备,其特征在于,所述第一指示信息与第一MAC服务数据单元SDU或第一SL MAC CE进行资源复用传输,其中,所述第一MAC SDU或所述第一SL MAC CE对应第一目标地址信息,所述第一指示信息携带的目标地址信息包括所述第一目标地址信息,或者,所述第一MAC SDU或所述第一SL MAC CE是所述第一指示信息的发送端设备的待传输MAC SDU或MAC CE。
- 根据权利要求42所述的终端设备,其特征在于,所述第一指示信息携带一个目标地址信息,所述第一目标地址信息为所述一个目标地址信息;或者所述第一指示信息携带多个目标地址信息,所述第一目标地址信息为所述多个目标地址信息中的任一目标地址信息;或者所述第一指示信息未携带目标地址信息,所述第一MAC SDU或所述第一SL MAC CE的目标地址信息为任一目标地址信息。
- 根据权利要求38-43中任一项所述的终端设备,其特征在于,所述处理单元还用于:根据逻辑信道上是否有待传输数据,逻辑信道的混合自动请求重传HARQ属性和逻辑信道可使用的资源属性中的至少之一,在所述目标地址信息具有的逻辑信道中选择所述目标逻辑信道。
- 根据权利要求44所述的终端设备,其特征在于,所述目标逻辑信道为满足以下条件中的至少之一的逻辑信道:所述目标逻辑信道上有待传输数据;在所述第一指示信息指示的授权资源为配置授权CG资源的情况下,所述目标逻辑信道被配置为允许使用CG资源;在所述第一指示信息指示的授权资源为CG资源的情况下,所述目标逻辑信道对应的可用CG资源配置包括所述第一指示信息所指示的CG资源;所述目标逻辑信道的混合自动请求重传HARQ属性和最高优先级的逻辑信道对应的HARQ属性相同。
- 根据权利要求45所述的终端设备,其特征在于,所述第一指示信息中携带一个目标地址信息,所述目标逻辑信道属于所述一个目标地址信息。
- 根据权利要求45所述的终端设备,其特征在于,所述第一指示信息中携带多个目标地址信息,所述目标逻辑信道属于所述多个目标地址信息中的第二目标地址信息,其中,所述第二目标地址信息为所述多个目标地址信息中具有最高优先级的逻辑信道的目标地址信息。
- 根据权利要求45-47中任一项所述的终端设备,其特征在于,所述目标逻辑信道被配置为允许使用CG资源,包括:所述目标逻辑信道对应的侧行CG类型允许sl-configuredgranttypeallowed参数设置为真。
- 根据权利要求45-48中任一项所述的终端设备,其特征在于,所述目标逻辑信道对应的可用CG资源配置包括所述第一指示信息所指示的CG资源,包括:目标逻辑信道对应的侧行允许的CG列表sl-allowedCG-list配置中包含所述第一指示信息所指示的授权资源对应的CG索引。
- 根据权利要求38-49中任一项所述的终端设备,其特征在于,所述处理单元还用于:按照逻辑信道的优先级由高到低的顺序,依次将所述授权资源分配给所述目标逻辑信道。
- 根据权利要求38-50中任一项所述的终端设备,其特征在于,所述处理单元还用于:在所述目标逻辑信道中选择SBj大于0的逻辑信道j,并按照逻辑信道的优先级由高到低的顺序,依次给每个逻辑信道分配资源,其中j为整数,SBj是为逻辑信道j维护的变量;将所述逻辑信道j对应的SBj减去给所述逻辑信道j分配的MAC SDU的尺寸,得到更新的SBj。
- 根据权利要求51所述的终端设备,其特征在于,在所述逻辑信道j的优先比特速率PBR被设置为无穷大的情况下,在为所述逻辑信道j上的所有待传输数据均分配资源的情况下,再给优先级低于所述逻辑信道j的逻辑信道分配资源。
- 根据权利要求51或52所述的终端设备,其特征在于,所述终端设备在建立逻辑信道j时,将SBj初始化为0;和/或所述终端设备在每次进行逻辑信道优先级LCP处理过程之前,将SBj增加PBR*T,其中T为上次增加SBj的时刻到当前时刻的时间间隔;和/或在更新后的SBj大于侧行令牌桶容量的情况下,将SBj设置为侧行令牌桶容量。
- 根据权利要求38-53中任一项所述的终端设备,其特征在于,所述通信单元还用于:发送第二指示信息,所述第二指示信息用于指示是否使用共享的授权资源。
- 根据权利要求54所述的终端设备,其特征在于,所述第二指示信息通过以下方式中的至少之一发送:通过所述第一指示信息对应的反馈资源反馈;通过MAC CE反馈;通过PC5-RRC消息反馈;通过RRC消息反馈。
- 根据权利要求55所述的终端设备,其特征在于,所述通过所述第一指示信息对应的反馈资源反馈,包括:通过物理侧行反馈信道PSFCH或物理上行控制信道PUCCH反馈。
- 根据权利要求54-56中任一项所述的终端设备,其特征在于,所述第二指示信息通过MAC CE反馈包括:所述第二指示信息通过第一MAC CE反馈,所述第一MAC CE专用于反馈是否使用共享的授权资源。
- 根据权利要求54-57中任一项所述的终端设备,其特征在于,所述第二指示信息用于指示以下状态中的至少之一:正确接收所述第一指示信息但不使用所述第一指示信息所指示的授权资源;正确接收所述第一指示信息并且使用所述第一指示信息所指示的授权资源;未正确接收所述第一指示信息。
- 根据权利要求38-58中任一项所述的终端设备,其特征在于,所述处理单元还用于:在确定使用所述第一指示信息所指示的授权资源的情况下,触发MAC层进行资源重选。
- 根据权利要求38-59中任一项所述的终端设备,其特征在于,所述处理单元还用于:在使用所述第一指示信息所指示的授权资源之后,触发MAC层进行资源重选。
- 根据权利要求38-60中任一项所述的终端设备,其特征在于,所述第一指示信息是网络设备发送的,或者第二终端发送的。
- 根据权利要求38-61中任一项所述的终端设备,其特征在于,所述通信单元还用于:使用所述授权资源传输所述目标逻辑信道上的待传输数据。
- 根据权利要求38-62中任一项所述的终端设备,其特征在于,若所述第一指示信息中携带目标地址信息,所述目标地址信息为所述第一指示信息中携带的目标地址信息;或者若所述第一指示信息中不携带目标地址信息,所述目标地址信息为任意目标地址信息。
- 一种通信设备,其特征在于,包括:通信单元,用于向第一终端发送第一指示信息,所述第一指示信息用于指示共享的授权资源;接收所述第一终端发送的第二指示信息,所述第二指示信息用于指示是否使用共享的授权资源。
- 根据权利要求64所述的通信设备,其特征在于,所述通信设备为网络设备或第二终端。
- 根据权利要求64或65所述的通信设备,其特征在于,所述第一指示信息用于指示以下中的至少一项:信道占用时间COT的剩余时长信息,可用子带信息,信道接入优先级等级CAPC信息,COT共享标识ID信息。
- 根据权利要求65所述的通信设备,其特征在于,所述COT共享标识ID信息包括以下中的至少之一:目标终端ID、终端组ID、业务标识信息、侧行SL区域ID。
- 根据权利要求64-67中任一项所述的通信设备,其特征在于,所述第一指示信息是通过以下信令中的至少之一发送的:SL媒体接入控制控制元素MAC CE,PC5-无线资源控制RRC消息,下行MAC CE,RRC消息。
- 根据权利要求64-68中任一项所述的通信设备,其特征在于,所述第一指示信息与第一MAC服务数据单元SDU或第一SL MAC CE进行资源复用传输,其中,所述第一MAC SDU或所述第一SL MAC CE对应第一目标地址信息,所述第一指示信息携带的目标地址信息包括所述第一目标地址信息,或者,所述第一MAC SDU或所述第一SL MAC CE是所述第一指示信息的发送端设备的待传输MAC SDU或MAC CE。
- 根据权利要求69所述的通信设备,其特征在于,所述第一指示信息携带一个目标地址信息,所述第一目标地址信息为所述一个目标地址信息;或者所述第一指示信息携带多个目标地址信息,所述第一目标地址信息为所述多个目标地址信息中的 任一目标地址信息;或者所述第一指示信息未携带目标地址信息,所述第一MAC SDU或所述第一SL MAC CE的目标地址信息为任一目标地址信息。
- 根据权利要求64-70中任一项所述的通信设备,其特征在于,所述第二指示信息通过以下方式中的至少之一发送:通过所述第一指示信息对应的反馈资源反馈;通过MAC CE反馈;通过PC5-RRC消息反馈;通过RRC消息反馈。
- 根据权利要求71所述的通信设备,其特征在于,所述通过所述第一指示信息对应的反馈资源反馈,包括:通过物理侧行反馈信道PSFCH或物理上行控制信道PUCCH反馈。
- 根据权利要求71或72所述的通信设备,其特征在于,所述通过MAC CE反馈包括:通过第一MAC CE反馈,所述第一MAC CE专用于反馈是否使用共享的授权资源。
- 根据权利要求64-73中任一项所述的通信设备,其特征在于,所述第二指示信息用于指示以下状态中的至少之一:正确接收所述第一指示信息但不使用所述第一指示信息所指示的授权资源;正确接收所述第一指示信息并且使用所述第一指示信息所指示的授权资源;未正确接收所述第一指示信息。
- 一种终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至26中任一项所述的方法。
- 一种通信设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求27至37中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至26中任一项所述的方法,或如权利要求27至37中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至26中任一项所述的方法,或如权利要求27至37中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至26中任一项所述的方法,或如权利要求27至37中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至26中任一项所述的方法,或如权利要求27至37中任一项所述的方法。
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US20200351669A1 (en) * | 2018-05-10 | 2020-11-05 | Sony Corporation | Electronic apparatus, wireless communication method and computer-readable medium |
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WO2022061754A1 (en) * | 2020-09-25 | 2022-03-31 | Nokia Shanghai Bell Co., Ltd. | Channel occupancy time for sidelink communication in unlicensed band |
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US20170048903A1 (en) * | 2015-08-12 | 2017-02-16 | Lg Electronics Inc. | Method for performing a logical channel prioritization in a d2d communication system and device therefor |
US20190053251A1 (en) * | 2016-02-10 | 2019-02-14 | Panasonic Intellectual Property Corporation Of America | Priority-optimized sidelink data transfer in the case of autonomous resource allocation in lte prose communication |
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WO2021217438A1 (zh) * | 2020-04-28 | 2021-11-04 | Oppo广东移动通信有限公司 | 资源预留方法、装置、设备及存储介质 |
WO2022061754A1 (en) * | 2020-09-25 | 2022-03-31 | Nokia Shanghai Bell Co., Ltd. | Channel occupancy time for sidelink communication in unlicensed band |
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