WO2026000194A1 - Procédé de communication, terminal, dispositif de réseau, système de communication, et support de stockage - Google Patents

Procédé de communication, terminal, dispositif de réseau, système de communication, et support de stockage

Info

Publication number
WO2026000194A1
WO2026000194A1 PCT/CN2024/101409 CN2024101409W WO2026000194A1 WO 2026000194 A1 WO2026000194 A1 WO 2026000194A1 CN 2024101409 W CN2024101409 W CN 2024101409W WO 2026000194 A1 WO2026000194 A1 WO 2026000194A1
Authority
WO
WIPO (PCT)
Prior art keywords
logical channel
priority
information
terminal
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/101409
Other languages
English (en)
Chinese (zh)
Inventor
李艳华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202480001417.1A priority Critical patent/CN118923189A/zh
Priority to PCT/CN2024/101409 priority patent/WO2026000194A1/fr
Publication of WO2026000194A1 publication Critical patent/WO2026000194A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

Definitions

  • This disclosure relates to the field of communication technology, and in particular to communication methods, terminals, network devices, communication systems and storage media.
  • XR Extended Reality
  • a communication method is provided, the method being executed by a terminal, the method comprising:
  • the first logical channel is used to transmit a first type of data
  • the priority is the priority of data transmission based on the first logical channel.
  • a communication method is provided, the method being performed by a network device, the method comprising:
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating the priority corresponding to the first logical channel to the first priority;
  • the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • a communication method comprising:
  • the network device sends a second message to the terminal
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating the priority corresponding to the first logical channel to the first priority;
  • the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • a terminal comprising:
  • the processing module is configured as follows:
  • the first logical channel is used to transmit a first type of data
  • the priority is the priority of data transmission based on the first logical channel.
  • a network device comprising:
  • the transceiver module is configured as follows:
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating the priority corresponding to the first logical channel to the first priority;
  • the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • a communication system including a terminal and a network device; the terminal is configured to implement the communication method of the first aspect, and the network device is configured to implement the communication method of the second aspect.
  • a terminal comprising:
  • One or more processors are One or more processors;
  • the terminal is used to execute the communication method described in the first aspect.
  • a network device wherein the network device includes:
  • One or more processors are One or more processors;
  • the network device is used to perform the communication method described in the second aspect.
  • a storage medium stores instructions that, when executed on a communication device, cause the communication device to perform the communication method provided in the first aspect and/or the second aspect.
  • the communication mechanism of the technical solution provided in this disclosure can be adapted to XR services.
  • Figure 1a is a schematic diagram of the architecture of a communication system according to an exemplary embodiment
  • Figure 2a is a flowchart illustrating a communication method according to an exemplary embodiment
  • Figure 3a is a flowchart illustrating a communication method according to an exemplary embodiment
  • Figure 3b is a flowchart illustrating a communication method according to an exemplary embodiment
  • Figure 4a is a flowchart illustrating a communication method according to an exemplary embodiment
  • Figure 5a is a flowchart illustrating a communication method according to an exemplary embodiment
  • Figure 6a is a schematic diagram of the structure of a terminal according to an exemplary embodiment
  • Figure 6b is a schematic diagram of the structure of a network device according to an exemplary embodiment
  • Figure 7a is a schematic diagram of the structure of a UE according to an exemplary embodiment
  • Figure 7b is a schematic diagram of the structure of a communication device according to an exemplary embodiment.
  • This disclosure provides a communication method, a terminal, a network device, a communication system, and a storage medium.
  • embodiments of this disclosure provide a communication method, the method being executed by a terminal, the method comprising:
  • the first logical channel is used to transmit a first type of data
  • the priority is the priority of data transmission based on the first logical channel.
  • the priority corresponding to the first logical channel can be updated, thereby adapting to different services, meeting the latency requirements of the services, and bringing a better user experience.
  • updating the priority corresponding to the first logical channel includes:
  • the priority corresponding to the first logical channel can be updated in a timely manner.
  • the first condition includes at least one of the following:
  • the terminal detected the first type of data
  • DSR Delayed Status Report
  • the first type of data needs to be transmitted.
  • the setting of the first condition is more flexible.
  • determining that the first condition is met and updating the priority corresponding to the first logical channel includes:
  • the priority corresponding to the first logical channel is updated.
  • the priority corresponding to the first logical channel can be updated in a timely manner.
  • the first type of data is data that requires urgent scheduling.
  • the first type of data is data to be transmitted in a logical channel group or in a logical channel of a logical channel group.
  • updating the priority corresponding to the first logical channel includes:
  • the priority corresponding to the first logical channel can be the first priority among at least two priorities.
  • the method further includes:
  • the first information is used to indicate at least one of the following:
  • the urgency level of the data to be transmitted corresponds to the first type of data.
  • the first priority among the at least two priorities can be determined based on different situations, making the determination method more flexible.
  • the method further includes:
  • the second information is used to indicate the priority of the first logical channel and/or to indicate the priority of the first logical channel to be the first priority.
  • second information for indicating the update of the priority corresponding to the first logical channel and/or the first priority can be obtained from the network device.
  • the second information sent by the receiving network device includes one of the following:
  • RRC Radio Resource Control
  • MAC CE Media Access Control element
  • the network device receives downlink control information (DCI) sent by the network device, the DCI containing the second information.
  • DCI downlink control information
  • the second information can be obtained through different signaling methods, which is more flexible.
  • the second information is configured for each logical channel, or the second information is configured for each logical channel group, or the second information is configured for all logical channel groups of each terminal, or the second information is configured for logical channels in all logical channel groups of each terminal.
  • the second information can be configured for different objects, thus making the configuration method more flexible and applicable to more scenarios.
  • the second information includes information on the identifier of a logical channel group and/or the identifier of a logical channel.
  • updating the priority corresponding to the first logical channel includes:
  • the priority of the first logical channel is updated based on the first protocol rule information.
  • the priority corresponding to the first logical channel can be updated based on the first protocol rule information.
  • updating the priority corresponding to the first logical channel based on the first protocol rule information includes:
  • the priority of the first logical channel is updated based on the first protocol rule information.
  • the second information is used to indicate the priority of the first logical channel and/or to indicate the priority of the first logical channel to be updated to the first priority.
  • the priority corresponding to the first logical channel can be updated in a timely manner based on the first protocol rule information.
  • the first protocol rule information is used to indicate updating the priority corresponding to the first logical channel and/or updating to the first priority.
  • embodiments of this disclosure provide a communication method, the method being executed by a network device, the method comprising:
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating the priority corresponding to the first logical channel to the first priority;
  • the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • the first type of data is data that requires urgent scheduling.
  • the first type of data is data to be transmitted in a logical channel group or in a logical channel of a logical channel group.
  • sending the second information to the terminal includes one of the following:
  • RRC Radio Resource Control
  • Downlink control information (DCI) is sent to the terminal, the DCI containing the second information.
  • the second information is configured for each logical channel, or the second information is configured for each logical channel group, or the second information is configured for all logical channel groups of each terminal, or the second information is configured for logical channels in all logical channel groups of each terminal.
  • the second information includes information about the identifier of a logical channel group and/or the identifier of a logical channel.
  • embodiments of this disclosure provide a communication method, the method comprising:
  • the network device sends a second message to the terminal
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating the priority corresponding to the first logical channel to the first priority;
  • the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • embodiments of this disclosure provide a terminal, the terminal comprising:
  • the processing module is configured as follows:
  • the first logical channel is used to transmit a first type of data
  • the priority is the priority of data transmission based on the first logical channel.
  • embodiments of this disclosure provide a network device, the network device comprising:
  • the transceiver module is configured as follows:
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating the priority corresponding to the first logical channel to the first priority;
  • the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • embodiments of this disclosure provide a communication system, the communication system including a terminal and a network device; the terminal is configured to implement the communication method described in the first aspect, and the network device is configured to implement the communication method described in the second aspect.
  • embodiments of this disclosure provide a terminal, the terminal comprising:
  • One or more processors are One or more processors;
  • the terminal is used in the communication method described in the first aspect.
  • embodiments of this disclosure provide a network device, the network device comprising:
  • One or more processors are One or more processors;
  • the network device is used to execute the communication method provided in the second aspect.
  • embodiments of this disclosure provide a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the communication method described in the optional implementations of the first and/or second aspects.
  • embodiments of this disclosure provide a program product that, when executed by a communication device, causes the communication device to perform the method as described in the optional implementations of the first and/or second aspects.
  • embodiments of this disclosure provide a computer program that, when run on a computer, causes the computer to perform the methods described in optional implementations of the first and/or second aspects.
  • embodiments of this disclosure provide a chip or chip system.
  • the chip or chip system includes processing circuitry configured to perform the methods described according to optional implementations of the first and/or second aspects above.
  • This disclosure provides a communication method, a terminal, a network device, and a storage medium.
  • the terms “communication method” and “information processing method,” “information transmission method,” etc. can be used interchangeably, as can the terms “communication system” and “information processing system.”
  • each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged.
  • the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • multiple refers to two or more.
  • the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.
  • the notation "at least one of A and B", “A and/or B", “A in one case, B in another”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.
  • the notation "A or B” may include the following technical solutions, depending on the circumstances: In some embodiments, A (Execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.
  • the descriptive object is a "field,” the ordinal numbers preceding "field” in “first field” and “second field” do not restrict the position or order of the "fields.” "First” and “second” do not restrict whether the "fields” they modify are in the same message, nor do they restrict the order of "first field” and “second field.”
  • the descriptive object is a "level,” the ordinal numbers preceding "level” in “first level” and “second level” do not restrict the priority between “levels.”
  • the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in “first device,” the number of "devices" can be one or more.
  • the objects modified by different prefixes can be the same or different.
  • first device and second device can be the same device or different devices, and their types can be the same or different.
  • first information and second information can be the same information or different information, and their content can be the same or different.
  • “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • the terms “in response to...”, “in response to determining...”, “in the case of...”, “when...”, “if...”, “if...”, etc., can be used interchangeably.
  • the terms “greater than,” “greater than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.
  • the apparatus and device may be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they may also be understood as “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, “body”, etc.
  • network can be interpreted as devices included in the network, such as access network devices, core network devices, etc.
  • access network device may also be referred to as “radio access network device (RAN device),” “base station (BS),” “radio base station,” or “fixed station.” In some embodiments, it may also be understood as “node,” “access point,” “transmission point (TP),” “reception point (RP),” or “transmit and/or receive point.” Terms such as “transmission/reception point (TRP)", “panel”, “antenna panel”, “antenna array”, “cell”, “macro cell”, “small cell”, “femto cell”, “pico cell”, “sector”, “cell group”, “serving cell”, “carrier”, “component carrier”, and “bandwidth part (BWP)” are also used.
  • RAN device radio access network device
  • BS base station
  • RP radio base station
  • BWP bandwidth width part
  • terminal or “terminal device” may be referred to as "user equipment (UE),” “user terminal,” “mobile station (MS),” “mobile terminal (MT),” “subscriber station,” “mobile unit,” “subscriber unit,” “wireless unit,” “remote unit,” “mobile device,” “wireless device,” “wireless communication device,” “remote device,” “mobile subscriber station,” “access terminal,” “mobile terminal,” “wireless terminal,” “remote terminal,” “handset,” “user agent,” “mobile client,” “client,” etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • the acquisition of data, information, etc. may comply with the laws and regulations of the country where the location is situated.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.
  • Figure 1a is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • the communication system 100 includes a terminal 101, an access network device 102, and a core network device 103.
  • the network device in this disclosure may include access network device 102 and core network device 103.
  • terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication capabilities, a smart car, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, or a wireless terminal in industrial control.
  • the device is at least one of, but not limited to, wireless terminal devices in self-driving, remote medical surgery, smart grid, transportation safety, smart city, and smart home.
  • the access network device may be a node or device that connects a terminal to a wireless network.
  • the access network device may include, but is not limited to, at least one of the following in a 5G communication system: evolved Node B (eNB), next-generation evolved Node B (ng-eNB), next-generation Node B (gNB), node B (NB), home node B (HNB), home evolved node B (HeNB), wireless backhaul device, radio network controller (RNC), base station controller (BSC), base transceiver station (BTS), base band unit (BBU), mobile switching center, base station in a 6G communication system, open RAN, cloud RAN, base station in other communication systems, and access node in a Wi-Fi system.
  • eNB evolved Node B
  • ng-eNB next-generation evolved Node B
  • gNB next-generation Node B
  • gNB next-generation Node B
  • NB node B
  • HNB home evolved node B
  • HeNB home evolved node
  • the technical solutions of this disclosure can be applied to the Open RAN architecture.
  • the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of Open RAN.
  • the processes and information interactions between these internal interfaces can be implemented by software or programs.
  • the access network device may be composed of a central unit (CU) and a distributed unit (DU).
  • the CU may also be called a control unit.
  • the CU-DU structure can separate the protocol layer of the access network device. Some protocol layer functions are centrally controlled by the CU, while the remaining part or all of the protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.
  • a core network device may be a single device comprising one or more network elements, or it may be multiple devices or a group of devices, each comprising all or part of the aforementioned one or more network elements.
  • Network elements may be virtual or physical.
  • the core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), or a Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1a, or to some of the main bodies, but are not limited thereto.
  • the main bodies shown in FIG1a are illustrative.
  • the communication system may include all or some of the main bodies in FIG1a, or it may include other main bodies outside of FIG1a.
  • the number and form of each main body are arbitrary.
  • the connection relationship between the main bodies is illustrative.
  • the main bodies may not be connected or may be connected.
  • the connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • 5G 5G New Radio
  • F New Radio Access
  • RAT New Radio
  • NX New Radio Access
  • F Future Generation Radio Access
  • GSM Global System for Mobile communications
  • CDMA2000 Global System for Mobile communications
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-Wideband (UWB)
  • Bluetooth registered trademark
  • PLMN Public Land Mobile Network
  • D2D Device-to-Device
  • M2M Machine-to-Machine
  • IoT Internet of Things
  • V2X Vehicle-to-Everything
  • V2X Vehicle-to-Everything
  • systems utilizing other communication methods and next-generation systems extended from them.
  • next-generation systems extended from them can be combined (e.g., a combination of LTE or LTE-A with 5G).
  • XR Extended Reality
  • data typically consists of multiple QoS flows, resulting in a very large volume of traffic.
  • XR service flows need to meet certain latency requirements during transmission, especially since some data flows need to arrive at the server simultaneously for decoding. Delay in any one data flow will cause the joint decoding of multiple data flows to fail.
  • network scheduling is dynamic. Therefore, in some cases, even if some data flows belong to low-priority logical channels, if some packets have not been scheduled for a long time, a Buffer Status Report (BSR) needs to be sent to notify the network as soon as possible.
  • BSR Buffer Status Report
  • a BSR can only be sent when high-priority logical channel data arrives, which cannot meet the needs of emergency scheduling. Therefore, optimization for emergency scheduling in XR needs to be considered.
  • the terminal may report a Delay Status Report (DSR), which carries information about delay, such as the remaining time of uplink data packets being less than a certain threshold due to prolonged delays in scheduling.
  • DSR Delay Status Report
  • the remaining time for a data packet is the time remaining until the packet is discarded; that is, this remaining time is determined according to the discard timer of the Packet Data Convergence Protocol (PDCP).
  • PDCP Packet Data Convergence Protocol
  • the DSR is set to the minimum value of data or untransmitted data in the Logical Channel Group (LCG). Furthermore, the DSR carries data that requires urgent scheduling.
  • the DSR procedure is used to provide the LCG delay status to the serving base station (gNB).
  • This delay status of the LCG includes the remaining time and the total amount of delay-critical uplink (UL) data of the LCG.
  • the remaining time is the minimum remaining value of the running PDCP discard timer in the PDCP Service Data Unit (SDU) that is buffered by the LCG but has not yet been transmitted in any Media Access Control (MAC) Packet Data Unit (PDU).
  • SDU Packet Data Unit
  • RAN2 considers the following options to ignore or adjust the priority of logical channels (LCHs) based on delay or deadline information: in cases where these LCHs have delay-critical data, additional priorities configured for the LCHs are used.
  • LCHs logical channels
  • Figure 2a is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 2a, the present disclosure relates to a communication method for a communication system 100, the method comprising:
  • Step S2101 The network device sends the second information to the terminal.
  • the terminal receives second information sent by the network device.
  • the second information is used to indicate the priority corresponding to the first logical channel.
  • the second information is used to indicate that the priority corresponding to the first logical channel is updated to the first priority.
  • the network device may send second information to the terminal after receiving auxiliary information sent by the terminal; wherein the auxiliary information is used to indicate the terminal's ability to update the priority corresponding to the first logical channel.
  • the first logical channel is used to transmit a first type of data.
  • the first type of data is data that needs to be urgently dispatched.
  • the first type of data is data with specific scheduling requirements, such as delay-critical data.
  • the first type of data is data to be transmitted in a logical channel group or in a logical channel of a logical channel group.
  • the priority is the priority for transmitting data based on the first logical channel.
  • the first priority is the first priority determined among at least two priorities.
  • the second information is used to indicate the priority corresponding to the first logical channel and to indicate that the priority corresponding to the first logical channel is the first priority.
  • the terminal receives Radio Resource Control (RRC) signaling sent by the network device, the RRC signaling including the second information.
  • RRC Radio Resource Control
  • the terminal receives a Media Access Control (MAC) control element (CE) sent by the network device, wherein the MAC CE contains the second information.
  • MAC Media Access Control
  • CE Media Access Control element
  • the terminal receives downlink control information (DCI) sent by the network device, the DCI containing the second information.
  • DCI downlink control information
  • the second information is configured for each logical channel.
  • the second information is configured for each logical channel group.
  • the second information is configured for all logical channel groups of each terminal.
  • the second information is configured for logical channels in all logical channel groups of each terminal.
  • the first priority level can be pre-configured or indicated by the network via RRC signaling.
  • the network uses RRC signaling to notify the terminal of the designated first priority (which may also be referred to as the first priority level).
  • the network configuration or indication granularity can be per LCH: for example, indicating that the logical channel's priority will be updated to the first priority under certain conditions.
  • the configuration or indication granularity of the network can be per LCG: for example, indicating that the logical channels in the logical channel group will update the priority of the logical channel to the first priority under certain conditions.
  • the network configuration or indication granularity can be per UE: for instance, indicating that logical channels in all uplink channel logical groups of the UE will have their logical channel priority updated to the first priority under certain conditions.
  • the second information includes information about the identifier of the logical channel group and/or the identifier of the logical channel.
  • the MAC CE will carry the identifier of the specified logical channel or logical channel group.
  • the DCI will carry a specified logical channel or logical channel group identifier.
  • step S2102 may be a non-essential step.
  • Step S2102 Terminal update priority.
  • the terminal updates the priority corresponding to the first logical channel.
  • an update may be an increase or decrease in priority level.
  • the terminal determines that a first condition is met and updates the priority corresponding to the first logical channel.
  • the first condition includes at least one of the following:
  • the terminal detected the first type of data
  • DSR Delay Status Report
  • the first type of data needs to be transmitted.
  • the terminal determines that the logical channel group to which the first logical channel belongs is configured to report DSR and that the first condition is met, and then updates the priority corresponding to the first logical channel.
  • the prerequisite for updating the priority of the first logical channel is that the logical channel group to which the first logical channel belongs is configured to report DSR.
  • the terminal updates the priority corresponding to the first logical channel to the first priority among at least two priorities.
  • the terminal may update the priority corresponding to the first logical channel to any of at least two priorities.
  • the terminal determines a first priority among the at least two priorities.
  • the first information is used to indicate at least one of the following:
  • the importance level can be the Public Service Identifier (PSI) level.
  • PSI Public Service Identifier
  • the urgency level of the data to be transmitted corresponds to the first type of data.
  • the terminal determines the first priority among the at least two priorities based on whether the first type of data contains data with an importance level higher than the first priority level.
  • the terminal determines a first priority among the at least two priorities based on the urgency of the data to be transmitted corresponding to the first type of data.
  • At least two priorities include a specified priority 1 and a specified priority 2.
  • the terminal when emergency dispatch data is detected in the first logical channel, and the emergency dispatch data contains data with a high importance level (e.g., high PSI level), the terminal updates the priority corresponding to the first logical channel using a specified priority level 1.
  • a high importance level e.g., high PSI level
  • the terminal when emergency dispatch data is detected in the first logical channel and there is no data with low importance in the emergency dispatch data, the terminal updates the priority corresponding to the first logical channel using a specified priority level 2.
  • different specified priority levels are used according to the urgency of the specific type of data. For example, if the remaining time is less than threshold 1, the priority corresponding to the first logical channel is updated using specified priority level 1; if the remaining time is less than threshold 2, the priority corresponding to the first logical channel is updated using specified priority level 2; wherein, if threshold 1 is less than threshold 2, the priority level of specified priority level 1 is higher than that of priority level 2.
  • the priority corresponding to the first logical channel is updated based on the first protocol rule information.
  • the terminal determines that it has not received the second information, it updates the priority corresponding to the first logical channel based on the first protocol rule information; wherein the second information is used to indicate updating the priority corresponding to the first logical channel and/or updating it to the first priority.
  • the first protocol rule information is used to indicate updating the priority corresponding to the first logical channel and/or updating it to the first priority. For example, updating it to the highest priority. However, a priority lower than that of the signaling radio bearer (SRB) is required.
  • SRB signaling radio bearer
  • the priority corresponding to the first logical channel may not be updated.
  • the terminal can still update the priority corresponding to the first logical channel based on the first protocol rule information.
  • the term "information” may be used interchangeably with terms such as “message,””signal,””signaling,””report,””configuration,””indication,””instruction,””command,””channel,””parameter,””field,” and “data.”
  • the term “send” may be used interchangeably with terms such as “transmit,” “report,” or “transmit.”
  • step S2101 may be implemented as a standalone embodiment
  • step S2102 may be implemented as a standalone embodiment
  • step S2101 combined with step S2102 may be implemented as a standalone embodiment, but is not limited thereto. It should be noted that each step may be implemented independently, or, without contradiction, its order may be arbitrarily changed and it may be freely combined for implementation.
  • Figure 3a is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 3a, the embodiment of the present disclosure relates to a communication method executed by a terminal, the method including:
  • Step S3101 Receive the second information sent by the network device.
  • step S3101 can be found in optional implementations of step S2101 in FIG2a and other related parts in the embodiments involved in FIG2a, which will not be repeated here.
  • Step S3102 Update priority.
  • step S3102 can be found in the optional implementation of step S2102 in Figure 2a and other related parts in the embodiment involved in Figure 2a, which will not be repeated here.
  • step S3101 may be implemented as a standalone embodiment
  • step S3102 may be implemented as a standalone embodiment
  • step S3101 combined with step S3102 may be implemented as a standalone embodiment, but is not limited thereto. It should be noted that each step may be implemented independently, or, without contradiction, the order may be arbitrarily changed and the steps may be freely combined for implementation.
  • Figure 3b is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 3b, the embodiment of the present disclosure relates to a communication method executed by a terminal, the method including:
  • Step S3201 Update the priority corresponding to the first logical channel.
  • the first logical channel is used to transmit a first type of data
  • the priority is the priority of transmitting data based on the first logical channel
  • step S3201 can be found in optional implementations of step S2101 in FIG2a and other related parts in the embodiments involved in FIG2a, which will not be repeated here.
  • updating the priority corresponding to the first logical channel includes:
  • the first condition includes at least one of the following:
  • the terminal detected the first type of data
  • DSR Delayed Status Report
  • the first type of data needs to be transmitted.
  • determining that the first condition is met and updating the priority corresponding to the first logical channel includes:
  • the priority corresponding to the first logical channel is updated.
  • the first type of data is data that needs to be urgently dispatched.
  • the first type of data is data to be transmitted in a logical channel group or in a logical channel of a logical channel group.
  • updating the priority corresponding to the first logical channel includes:
  • the method further includes:
  • the first information is used to indicate at least one of the following:
  • the urgency level of the data to be transmitted corresponds to the first type of data.
  • the method further includes:
  • the second information is used to indicate the priority of the first logical channel and/or to indicate the priority of the first logical channel to be the first priority.
  • the second information sent by the receiving network device includes one of the following:
  • RRC Radio Resource Control
  • MAC CE Media Access Control element
  • the network device receives downlink control information (DCI) sent by the network device, the DCI containing the second information.
  • DCI downlink control information
  • the second information is configured for each logical channel, or for each logical channel group, or for all logical channel groups of each terminal, or for logical channels in all logical channel groups of each terminal.
  • the second information includes information about the identifier of the logical channel group and/or the identifier of the logical channel.
  • updating the priority corresponding to the first logical channel includes:
  • the priority of the first logical channel is updated based on the first protocol rule information.
  • updating the priority corresponding to the first logical channel based on the first protocol rule information includes:
  • the priority of the first logical channel is updated based on the first protocol rule information.
  • the second information is used to indicate the priority of the first logical channel and/or to indicate the priority of the first logical channel to be the first priority.
  • the first protocol rule information is used to indicate updating the priority corresponding to the first logical channel and/or updating it to the first priority.
  • Figure 4a is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 4a, the embodiment of the present disclosure relates to a communication method executed by a network device, the method including:
  • Step S4101 Send the second information to the terminal.
  • step S4101 can be found in optional implementations of step S2101 in FIG2a and other related parts in the embodiments involved in FIG2a, which will not be repeated here.
  • the second information is used to indicate updating the priority corresponding to the first logical channel and/or to update the priority corresponding to the first logical channel to a first priority; the first logical channel is used to transmit a first type of data, and the priority is the priority for transmitting data based on the first logical channel.
  • the first type of data is data that needs to be urgently dispatched.
  • the first type of data is data to be transmitted in a logical channel group or in a logical channel of a logical channel group.
  • sending the second information to the terminal includes one of the following:
  • RRC Radio Resource Control
  • Downlink control information (DCI) is sent to the terminal, the DCI containing the second information.
  • the second information is configured for each logical channel, or the second information is configured for each logical channel group, or the second information is configured for all logical channel groups of each terminal, or the second information is configured for logical channels in all logical channel groups of each terminal.
  • the first information includes information about the identifier of the logical channel group and/or the identifier of the logical channel.
  • Figure 5a is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 5a, the embodiment of the present disclosure relates to a communication method executed by a communication system, the method comprising:
  • Step S5101 The network device sends the second information to the terminal.
  • step S5101 can be found in optional implementations of step S2101 in FIG2a and other related parts in the embodiments involved in FIG2a, which will not be repeated here.
  • the network may perform this configuration based on auxiliary information reported by the terminal, such as the terminal's support capabilities (which may correspond to the scheme of the network device sending second information in this disclosure).
  • the terminal's support capability may be the terminal's ability to update the priority level of a logical channel (corresponding to the first logical channel in this disclosure) to a specified priority level (which may correspond to the first priority in this disclosure) under specific conditions.
  • the prerequisite for a terminal to support the ability to update the priority level of a logical channel (corresponding to the first logical channel in this disclosure) to a specified priority level under certain conditions is that the terminal supports the ability to report DSR.
  • a particular type of data is delay-critical data.
  • a particular logical channel or group of logical channels may have that specific type of data to be transmitted.
  • the specific conditions may be: when the terminal detects the existence of a specific type of data, or when DSR reporting is triggered, or when a specific type of data needs to be transmitted.
  • the prerequisite for configuring the network to update the logical channel to a specified priority level is that the logical channel group to which the logical channel belongs is configured to trigger or report DSR.
  • the logical channel priority level can be updated to more than one specified priority level, and can be used under different triggering conditions (corresponding to the first information in this disclosure):
  • the terminal when emergency dispatch data is detected, and the emergency dispatch data contains data with a high importance level (such as PSI level), the terminal uses a specified priority level 1;
  • the terminal when emergency dispatch data is detected and there is no data of low importance in the emergency dispatch data, the terminal uses a specified priority level 2.
  • priority level 1 For example, if the remaining time is less than threshold 1, priority level 1 is used; if the remaining time is less than threshold 2, priority level 2 is used; if threshold 1 is less than threshold 2, priority level 1 has a higher priority than priority level 2.
  • the specified priority level may be pre-configured or indicated by the network via RRC signaling:
  • the network uses RRC signaling to notify the terminal of the specified target logical channel level (corresponding to the first priority).
  • the network configuration or indication granularity can be per LCH:
  • the granularity of the configuration or indication can be per LCG:
  • the logical channels in the logical channel group are instructed to update their logical channel priority level to a specified priority level under certain conditions.
  • the configuration or indication can be at the per-UE level:
  • the logical channels in all uplink logical channel groups of the UE are instructed to update their logical channel priority to a specified priority level under certain conditions.
  • the specified priority level can be configured or indicated by the network via MAC CE signaling or DCI:
  • the MAC CE will carry a specified logical channel or logical channel group identifier.
  • the DCI will carry a specified logical channel or logical channel group identifier.
  • the network uses MAC CE to notify the terminal of the logical channel of the specified UE, and updates the logical channel priority level to the specified priority level under certain conditions.
  • the network uses MAC CE to notify the terminal of the logical channel group of the specified UE, and under certain conditions, updates the priority level of the logical channels in the logical channel group to a specified priority level.
  • the network uses DCI to notify the terminal of the logical channel of the UE, and updates the logical channel priority level to a specified priority level under certain conditions.
  • the network uses DCI to notify the terminal of the logical channel group of the UE, and under certain conditions, updates the priority level of the logical channels in the logical channel group to a specified priority level.
  • the specified priority level can be configured as follows:
  • the logical channel priority level will be updated under certain conditions when there is a specific type of transmitted data (i.e., if not configured, it will not be updated).
  • the logical channel priority level when transmitting specific types of data is raised to the level agreed upon by the protocol (corresponding to the first communication rule), such as the highest level, or the highest level but lower than the SRB level.
  • an apparatus for implementing any of the above methods.
  • an apparatus includes units or modules for implementing the steps performed by the terminal in any of the above methods.
  • another apparatus includes components for implementing the steps performed by network devices (e.g., access network devices, core network functional nodes, core network devices, etc.) in any of the above methods.
  • the unit or module of each step is provided.
  • the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated.
  • the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device.
  • the processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device.
  • the units or modules in the device can be implemented in the form of hardware circuits.
  • the functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors.
  • the hardware circuit is an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • the functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit.
  • the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.
  • PLD programmable logic device
  • the processor is a circuit with signal processing capabilities.
  • the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP).
  • the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable.
  • the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be hardware circuits designed for artificial intelligence, which can be understood as ASICs, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASICs such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • Figure 6a is a schematic diagram of the structure of the terminal 6100 according to an embodiment of this disclosure.
  • the terminal 6100 may include at least one of a transceiver module 6101, a processing module 6102, etc.
  • the transceiver module 6101 is used to receive second information.
  • the transceiver module 6101 is used to perform at least one of the communication steps such as sending and/or receiving performed by the terminal 6100 in any of the above methods, which will not be described in detail here.
  • the processing module 6102 is used to perform at least one of the other steps performed by the terminal 6100 in any of the above methods, which will not be described in detail here.
  • Figure 6b is a schematic diagram of the structure of the network device 6200 according to an embodiment of this disclosure.
  • the network device 6200 may include at least one of a transceiver module 6201, a processing module 6202, etc.
  • the transceiver module 6201 is used to send second information.
  • the transceiver module 6201 is used to perform at least one of the communication steps such as sending and/or receiving performed by the terminal 6200 in any of the above methods, which will not be described in detail here.
  • the processing module 6202 is used to perform at least one of the other steps performed by the network device 6200 in any of the above methods, which will not be described in detail here.
  • FIG 7a is a schematic diagram of the structure of the communication device 8100 proposed in an embodiment of this disclosure.
  • the communication device 8100 can be a network device (e.g., access network device, core network device, etc.), a terminal (e.g., user equipment, etc.), a chip, chip system, or processor that supports the network device in implementing any of the above methods, or a chip, chip system, or processor that supports the terminal in implementing any of the above methods.
  • the communication device 8100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.
  • the communication device 8100 includes one or more processors 8101.
  • the processor 8101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU).
  • the baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data.
  • the communication device 8100 is used to execute any of the above methods.
  • the communication device 8100 further includes one or more memories 8102 for storing instructions.
  • the memories 8102 may also be located outside the communication device 8100.
  • the communication device 8100 further includes one or more transceivers 8103.
  • the transceiver 8103 performs at least one of the communication steps such as sending and/or receiving in the above-described method.
  • the processor 8101 performs at least one of the other steps.
  • a transceiver may include a receiver and/or a transmitter, which may be separate or integrated.
  • the terms transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be used interchangeably; the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc., may be used interchangeably; and the terms receiver, receiving unit, receiver, receiving circuit, etc., may be used interchangeably.
  • the communication device 8100 may include one or more interface circuits 8104.
  • the interface circuit 8104 is connected to the memory 8102, and the interface circuit 8104 can be used to receive signals from the memory 8102 or other devices, and can be used to send signals to the memory 8102 or other devices.
  • the interface circuit 8104 can read instructions stored in the memory 8102 and send the instructions to the processor 8101.
  • the communication device 8100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 8100 described in this disclosure is not limited thereto, and the structure of the communication device 8100 may not be limited by FIG7a.
  • the communication device may be a standalone device or may be part of a larger device.
  • the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.
  • Figure 7b is a schematic diagram of the structure of the chip 8200 proposed in an embodiment of this disclosure.
  • the communication device 8100 can be a chip or a chip system
  • the schematic diagram of the chip 8200 shown in Figure 7b can be referenced, but the invention is not limited thereto.
  • Chip 8200 includes one or more processors 8201, which are used to perform any of the above methods.
  • chip 8200 further includes one or more interface circuits 8202.
  • the interface circuit 8202 is connected to memory 8203, and the interface circuit 8202 can be used to receive signals from memory 8203 or other devices, and the interface circuit 8202 can be used to send signals to memory 8203 or other devices.
  • the interface circuit 8202 can read instructions stored in memory 8203 and send the instructions to processor 8201.
  • the interface circuit 8202 performs at least one of the communication steps such as sending and/or receiving in the above method, and the processor 8201 performs at least one of the other steps.
  • interface circuit In some embodiments, the terms interface circuit, interface, transceiver pin, transceiver, etc., can be used interchangeably.
  • chip 8200 further includes one or more memories 8203 for storing instructions.
  • all or part of the memories 8203 may be located outside of chip 8200.
  • This disclosure also proposes a storage medium storing instructions that, when executed on a communication device 8100, cause the communication device 8100 to perform any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices.
  • the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.
  • This disclosure also provides a program product that, when executed by the communication device 8100, causes the communication device 8100 to perform any of the above methods.
  • the program product is a computer program product.
  • This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Des modes de réalisation de la présente divulgation concernent un procédé de communication, un terminal, un dispositif de réseau, un système de communication, et un support de stockage. Le procédé est exécuté par un terminal. Le procédé consiste à : mettre à jour une priorité correspondant à un premier canal logique, le premier canal logique étant utilisé pour transmettre des données de premier type à transmettre, et la priorité constituant une priorité pour transmettre des données sur la base du premier canal logique. Le mécanisme de communication de la solution technique fournie par les modes de réalisation de la présente divulgation permet une meilleure adaptation aux services XR.
PCT/CN2024/101409 2024-06-25 2024-06-25 Procédé de communication, terminal, dispositif de réseau, système de communication, et support de stockage Pending WO2026000194A1 (fr)

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CN202480001417.1A CN118923189A (zh) 2024-06-25 2024-06-25 通信方法、终端、网络设备、通信系统和存储介质
PCT/CN2024/101409 WO2026000194A1 (fr) 2024-06-25 2024-06-25 Procédé de communication, terminal, dispositif de réseau, système de communication, et support de stockage

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Citations (5)

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US20190223196A1 (en) * 2016-09-29 2019-07-18 Huawei Technologies Co., Ltd. Logical Channel Scheduling Method and System, and Apparatus
CN115843442A (zh) * 2022-09-26 2023-03-24 北京小米移动软件有限公司 逻辑信道优先级处理方法和装置、电子设备及存储介质
CN116391436A (zh) * 2023-01-31 2023-07-04 北京小米移动软件有限公司 逻辑信道优先级处理方法和通信装置
CN116471682A (zh) * 2022-01-10 2023-07-21 华为技术有限公司 上行数据传输方法、网络设备、终端设备及通信系统
WO2023209542A1 (fr) * 2022-04-27 2023-11-02 Lenovo (Singapore) Pte Limited Appareil et procédé de priorisation de canaux logiques

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190223196A1 (en) * 2016-09-29 2019-07-18 Huawei Technologies Co., Ltd. Logical Channel Scheduling Method and System, and Apparatus
CN116471682A (zh) * 2022-01-10 2023-07-21 华为技术有限公司 上行数据传输方法、网络设备、终端设备及通信系统
WO2023209542A1 (fr) * 2022-04-27 2023-11-02 Lenovo (Singapore) Pte Limited Appareil et procédé de priorisation de canaux logiques
CN115843442A (zh) * 2022-09-26 2023-03-24 北京小米移动软件有限公司 逻辑信道优先级处理方法和装置、电子设备及存储介质
CN116391436A (zh) * 2023-01-31 2023-07-04 北京小米移动软件有限公司 逻辑信道优先级处理方法和通信装置

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