WO2024065105A1 - 逻辑信道优先级处理方法和装置、电子设备及存储介质 - Google Patents

逻辑信道优先级处理方法和装置、电子设备及存储介质 Download PDF

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Publication number
WO2024065105A1
WO2024065105A1 PCT/CN2022/121444 CN2022121444W WO2024065105A1 WO 2024065105 A1 WO2024065105 A1 WO 2024065105A1 CN 2022121444 W CN2022121444 W CN 2022121444W WO 2024065105 A1 WO2024065105 A1 WO 2024065105A1
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Prior art keywords
logical channel
data
authorization
terminal device
priority
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English (en)
French (fr)
Inventor
李艳华
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to PCT/CN2022/121444 priority Critical patent/WO2024065105A1/zh
Priority to EP22959757.0A priority patent/EP4598114A4/en
Priority to CN202280003768.7A priority patent/CN115843442A/zh
Publication of WO2024065105A1 publication Critical patent/WO2024065105A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1221—Wireless traffic scheduling based on age of data to be sent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/115—Grant-free or autonomous transmission
    • 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
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • 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
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • 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
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular to a method and device for processing logical channel priority, an electronic device, and a storage medium.
  • Extended reality refers to a combination of real and virtual environments that can interact with humans and machines, created through computer technology and wearable devices.
  • XR is a general term for multiple technologies such as augmented reality (AR), virtual reality (VR), and mixed reality (MR).
  • AR augmented reality
  • VR virtual reality
  • MR mixed reality
  • 5th generation mobile communication technology also known as 5G technology
  • 5G technology The rapid development of the fifth generation mobile communication technology
  • XR services service flows are usually composed of multiple data streams and have a very large amount of data.
  • the transmission of service flows of XR services needs to meet certain latency requirements, especially some data streams need to reach the network function at the same time for synchronous processing (for example, joint decoding). Then, the delay of any data stream will cause the synchronous processing of multiple data streams to fail. Therefore, in the process of using 5G technology to implement XR services, the access network equipment configures the priority of the logical channel.
  • the logical channel prioritization (LCP) process is used to prioritize the logical channels carrying data streams.
  • the data of one or more data streams may have high scheduling urgency requirements.
  • the delay budget of the data carried in the logical channel is small.
  • the existing LCP process cannot respond to the urgent transmission situation in a timely manner.
  • the present disclosure provides a method and device for processing logical channel priority, an electronic device and a storage medium to achieve priority transmission of emergency data.
  • the present disclosure provides a method for processing a logical channel priority.
  • the method can be applied to a terminal device such as a UE.
  • the method may include: determining that a first logical channel corresponds to first data with a high scheduling emergency demand in a first service; and performing logical channel priority processing on the first logical channel according to the logical channel priority.
  • the first service may be an extended reality XR service.
  • the first data may have the strictest delay budget.
  • the first data may be data indicated by the NAS and/or the application layer; or, the first data may be data indicating that a remaining data packet delay budget is less than a first threshold.
  • the first data may be a data packet or a set of data packets.
  • the first data can be carried in any uplink authorization configured by the access network device for the terminal device.
  • the logical channel priority processing may include a relaxed logical channel selection process.
  • At least one of the following may be performed on the first logical channel: when the allowedCG-List configuration restriction condition fails, the data of the logical channel is mapped to any configured configuration authorization; when the allowedHARQ-mode configuration restriction condition fails, the mapping of the logical channel is not restricted to the HARQ mode; when the allowedSCS-List configuration restriction condition fails, the data of the logical channel is mapped to any configured basic parameter set; when the allowedPHY-PriorityIndex configuration restriction condition fails, the data of the logical channel is mapped to any dynamic authorization; when the allowedServingCells configuration restriction condition fails, the data of the logical channel is mapped to any configured serving cell of the cell group; when configuredGrantType1Allowed fails, the data of the logical channel is not transmitted with the configured authorization type 1; when maxPUSCH-Duration fails, the data of the logical channel is transmitted with any PUSCH duration.
  • a token bucket is not used to limit the transmission of the first data of the first logical channel.
  • the operation of performing logical channel priority processing on the first logical channel according to the logical channel priority may include: when the delay budget of the first data of the first service is less than a first threshold, preferentially mapping the first data of the first logical channel to the authorization.
  • the priority of the first logical channel is temporarily increased to the highest priority level when allocating resources or sorting logical channel priorities.
  • the method may include: mapping the first logical channel to a first grant; wherein the first grant is dedicated to or preferentially used for the first data.
  • the above method may further include: receiving a first authorization indicated by the access network device.
  • the method before receiving the first authorization operation indicated by the access network device, the method may further include: sending auxiliary information to the access network device, wherein the auxiliary information is used by the access network device to determine the first authorization.
  • the present disclosure further provides a method for processing logical channel priorities.
  • the method can be applied to an access network device.
  • the method includes: indicating a first authorization to a terminal device, wherein the first authorization is dedicated to or preferentially used for first data with high scheduling urgency requirements.
  • the method may further include: receiving auxiliary information from the terminal device, wherein the auxiliary information is used by the access network device to determine the first authorization.
  • the present disclosure further provides a logical channel priority processing device.
  • the device can be set in a terminal device.
  • the above method includes a processing module.
  • the processing module is configured to: determine that a first logical channel corresponds to first data with high scheduling emergency requirements in a first service; and perform logical channel priority processing on the first logical channel according to the logical channel priority.
  • the first service may be an extended reality XR service.
  • the first data may have the strictest delay budget.
  • the first data may be data indicated by the NAS and/or application layer; or, the first data may be data for which the remaining packet delay budget is less than a first threshold.
  • the first data may be a data packet or a set of data packets.
  • the first data can be carried in any uplink authorization configured by the access network device for the terminal device.
  • the logical channel priority processing may include a relaxed logical channel selection process.
  • At least one of the following may be performed on the first logical channel: when the allowedCG-List configuration restriction condition fails, the data of the logical channel is mapped to any configured configuration authorization; when the allowedHARQ-mode configuration restriction condition fails, the mapping of the logical channel is not restricted to the HARQ mode; when the allowedSCS-List configuration restriction condition fails, the data of the logical channel is mapped to any configured basic parameter set; when the allowedPHY-PriorityIndex configuration restriction condition fails, the data of the logical channel is mapped to any dynamic authorization; when the allowedServingCells configuration restriction condition fails, the data of the logical channel is mapped to any configured serving cell of the cell group; when the configuredGrantType1Allowed configuration restriction condition fails, the data of the logical channel is not transmitted with the configured grant type 1; when the maxPUSCH-Duration configuration restriction condition fails, the data of the logical channel is transmitted with any PUSCH duration.
  • the processing module may be configured to: not use a token bucket to restrict transmission of the first data on the first logical channel.
  • the processing module may be configured to: preferentially map the first data of the first logical channel to the grant when a delay budget of the first data of the first service is less than a first threshold.
  • the priority of the first logical channel is temporarily increased to the highest priority level when allocating resources or sorting logical channel priorities.
  • the processing module may be configured to: map the first logical channel to a first grant; wherein the first grant is dedicated to or preferentially used for the first data.
  • the above apparatus may further include a receiving module.
  • the receiving module is configured to: receive a first authorization indicated by the access network device.
  • the sending module may also be configured to: send auxiliary information to the access network device, wherein the auxiliary information is used by the access network device to determine the first authorization.
  • the present disclosure further provides a logical channel priority processing device.
  • the device may be arranged in an access network device.
  • the device includes a sending module.
  • the sending module is configured to: indicate a first authorization to a terminal device, wherein the first authorization is dedicated to or preferentially used for first data with high scheduling urgency requirements.
  • the apparatus may further include a receiving module.
  • the receiving module is configured to: receive auxiliary information from the terminal device, wherein the auxiliary information is used by the access network device to determine the first authorization.
  • the present disclosure further provides an electronic device.
  • the electronic device includes a memory and a processor.
  • the memory is configured to store computer executable instructions.
  • the processor is configured to execute the computer executable instructions in the memory to implement the logical channel priority processing method as described in any one of the first aspect, the second aspect, and possible implementations thereof.
  • the present disclosure further provides a computer storage medium.
  • the computer storage medium stores computer executable instructions. After the computer executable instructions are executed by a processor in an electronic device, the method for processing logical channel priorities as described in any one of the first aspect, the second aspect, and possible implementations thereof can be implemented.
  • the logical channel priority processing method disclosed in the present invention by performing logical channel priority processing on the first logical channel corresponding to the first data with high scheduling emergency demand, it is possible to promptly respond to the emergency transmission situation of the data with high scheduling emergency demand, realize the priority transmission of the emergency data, and meet the delay requirement of data transmission.
  • Figure 1 is a schematic diagram of a scenario for implementing XR services based on a 5G communication system.
  • FIG2 is a flow chart of a method for processing logical channel priority in an embodiment of the present disclosure.
  • FIG3 is a flow chart of a method for processing logical channel priority in an embodiment of the present disclosure.
  • FIG4 is a schematic flow chart of a method for processing logical channel priority in an embodiment of the present disclosure.
  • FIG5 is a schematic diagram of the structure of a logical channel priority processing device in an embodiment of the present disclosure.
  • FIG6 is a schematic diagram of the structure of a logical channel priority processing device in an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of the structure of an electronic device in an embodiment of the present disclosure.
  • FIG8 is a schematic diagram of the structure of a terminal device in an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of the structure of a network device in an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as “second information”
  • second information may also be referred to as “first information”.
  • word “if” as used herein may be interpreted as “at the time of” or “when” or “in response to determining”.
  • a and/or B may represent: A exists alone, A and B exist at the same time, and B exists alone.
  • “multiple” may refer to two or more than two.
  • the access network device sends an uplink grant (UL grant) to the terminal device to allocate uplink grant resources to the terminal device; after receiving the uplink grant from the access network function, the terminal device can multiplex data from multiple logical channels to the transmission resources. Then, the terminal device needs to prioritize the logical channels carrying data through the logical channel selection process and the logical channel priority process.
  • UL grant uplink grant
  • the terminal device first performs a logical channel selection process to select a logical channel.
  • the logical channel selection process includes some conditions, and only logical channels that meet these conditions can be used for data transmission, that is, as candidate logical channels for data transmission. These conditions involve the following contents (parameters): allowed subcarrier spacing list (e.g., allowedSCS-List), maximum physical uplink shared channel duration (e.g., maxPUSCH-Duration), allowed configuration of grant type 1 (e.g., configuredGrantType1Allowed), allowed serving cells (e.g., allowedServingCells), allowed configuration of grant list (e.g., allowedCG-List), allowed physical priority index (e.g., allowedPHY-PriorityIndex), allowed HARQ mode (e.g., allowedHARQ-mode).
  • allowed subcarrier spacing list e.g., allowedSCS-List
  • maximum physical uplink shared channel duration e.g., maxPUSCH-Duration
  • allowed configuration of grant type 1 e.g.,
  • the subcarrier spacing (SCS) allowed for transmission is set in allowedSCS-List; the corresponding conditions for the logical channel to be selected or the conditions that need to be met are: (if configured) the set of subcarrier spacing indices allowed in allowedSCS-List includes the subcarrier spacing indices associated with the uplink authorization.
  • maxPUSCH-Duration sets the maximum physical uplink shared channel (PUSCH) duration allowed for transmission; the corresponding logical channel is selected or the conditions that need to be met are: (if configured) maxPUSCH-Duration is greater than or equal to the PUSCH transmission duration associated with the uplink grant.
  • PUSCH physical uplink shared channel
  • configuredGrantType1Allowed sets whether the configured grant type 1 can be used for transmission; the corresponding conditions for the logical channel to be selected or the conditions that need to be met are: (if configured and true) when the uplink is the configured grant type 1.
  • allowedServingCells is set for the cells allowed for transmission; the corresponding conditions for the logical channel to be selected or the conditions that need to be met are: (if configured) allowedServingCells includes the cell information associated with the uplink authorization.
  • the configured grant (CG) allowed for transmission is set in the allowedCG-List; the corresponding condition for the logical channel to be selected or the condition to be met is: (if configured) the allowedCG-List includes the configured grant (CG) index associated with the uplink grant;
  • allowedPHY-PriorityIndex sets the allowed physical layer (PHY) priority index for dynamic authorization for transmission; the corresponding condition for the logical channel to be selected or the condition that needs to be met is: (if configured) allowedPHY-PriorityIndex includes the physical layer priority index associated with the dynamic uplink authorization.
  • allowedHARQ-mode sets the uplink HARQ mode allowed by the HARQ (hybrid automatic repeat request) process for dynamic authorization for transmission; the corresponding conditions for the logical channel to be selected or the conditions that need to be met are: (if configured) allowedHARQ-mode includes the HARQ mode associated with the HARQ process associated with the dynamic uplink authorization.
  • the terminal device After the logical channel selection, the terminal device performs the logical channel priority process to allocate resources for the selected logical channel.
  • the specific implementation of the logical channel priority process and the priority order of the logical channels can be found in the description of LCP in 5.4.3.1 of the 3GPP standard document TS 36.321.
  • XR refers to a combination of real and virtual environments that can interact with humans and machines, created through computer technology and wearable devices.
  • XR is a general term for multiple technologies such as AR, VR, and MR.
  • AR, VR, and MR By integrating the visual interaction technologies of AR, VR, and MR, users can be brought an "immersive feeling" of seamless transition between the virtual world and the real world.
  • business flows are usually composed of multiple data flows and have a very large amount of data.
  • FIG. 1 is a schematic diagram of a scenario for implementing XR services based on a 5G communication system.
  • the terminal device 10 is a device for implementing XR services.
  • the terminal device 10 can be glasses, helmets, mobile phones, projectors, displays and other devices.
  • the server 20 is a server device for providing XR services, which is usually provided by an operator or content provider.
  • the terminal device 10 is connected to the server 20 through the access network 30 and the core network 40 of the 5G communication system to realize data transmission between the terminal device 10 and the server 20.
  • the transmission of service flows of XR services needs to meet certain latency requirements, especially when some data flows need to arrive at the network function at the same time for synchronous processing (for example, joint decoding). Then, the delay of any data flow will cause the synchronous processing of multiple data flows to fail. Therefore, in the process of using 5G technology to implement XR services, the access network function obtains the urgency of each data flow in the scheduling process and configures the priority of the logical channel. In 5G technology, the logical channel prioritization (LCP) process is used to prioritize the logical channels carrying data flows.
  • LCP logical channel prioritization
  • the data of one or more data streams has high scheduling urgency requirements.
  • the delay budget of the data is small.
  • the existing LCP process cannot respond to the urgent transmission situation in a timely manner.
  • the embodiments of the present disclosure provide a logical channel priority processing method, which can be applied to a terminal device.
  • the terminal device can be a user equipment (UE);
  • the access network device can be a next generation NodeB (gNB) in a 5G communication system.
  • UE user equipment
  • gNB next generation NodeB
  • the method can actually be executed by the medium access control entity (MAC entity) in the terminal device.
  • the MAC entity is located on the L2MAC layer.
  • the method can also be implemented by other layers, and the embodiment of the present disclosure does not specifically limit this.
  • Fig. 2 is a flow chart of a method for processing logical channel priority in an embodiment of the present disclosure, which is applied to a terminal device. As shown in Fig. 2, the method may include S210 and S220.
  • the terminal device judges the data in the first logical channel to determine whether the data is data of the first service and whether it has a high scheduling urgency requirement. If it is determined that the data is data of the first service and has a high scheduling urgency requirement, the terminal device may determine that the first logical channel corresponds to the first data with a high scheduling urgency requirement.
  • the first data may be expanded from data with high scheduling urgency requirements to data with special scheduling requirements.
  • the first data in the first logical channel may be data used to transmit a sub-QoS flow in the logical channel (indicated by a sub-flow ID).
  • a terminal device may have one or more logical channels.
  • the first service may be an XR service.
  • the terminal device may be a dedicated device for implementing XR services, such as XR glasses, XR helmets, XR projectors, etc.; the terminal device may also be a general-purpose device capable of implementing SR services, such as mobile phones, displays, etc.
  • the terminal device is a dedicated device for implementing XR services, then one or more logical channels of the terminal device may all be used to carry data for XR services.
  • the terminal device is a general-purpose device capable of implementing XR services, then at least one of the one or more logical channels of the terminal device may be used to carry data for XR services.
  • the first service in the embodiments of the present disclosure may also be other services other than XR services, especially services with large data volumes and low latency requirements, and the embodiments of the present disclosure do not impose specific restrictions on this.
  • the time left until exceeding the PDB is less than a certain delay threshold (for example, the remaining packet delay budget of the packet is determined to be less than 10 ms; the delay threshold may be agreed upon by a protocol or obtained from a network notification.
  • the configuration granularity of PDB may be for a single packet or for a collection of packets).
  • the terminal can estimate which data packets are close to being used up and have not yet been dispatched, so they need to be scheduled first. Data with higher scheduling urgency can be counted based on packet statistics or packet sets.
  • the threshold value may be configured by the access network device.
  • the terminal device may receive configuration information from the access network device, and the configuration information is used to indicate the threshold value.
  • the granularity of the threshold value configured by the access network device includes but is not limited to: in units of terminal devices, in units of logical channel groups (logical channel groups), and in units of logical channels (logical channels, LCs).
  • the first data may include one of the following: first data indicated by a non-access stratum (non-access stratum) and/or an application layer; and data of a first service whose delay budget is less than a first threshold.
  • first data may be indicated by NAS as having a high scheduling urgency requirement.
  • the first data may be indicated by the application layer as having a high scheduling urgency requirement.
  • the first data with urgent scheduling requirements may include the following: uplink data with priority scheduling requirements, and uplink data with higher scheduling requirements.
  • the data with urgent scheduling requirements may also be uplink data that requires priority scheduling; or may be uplink data that is determined by the network or the terminal to be sent in a timely manner.
  • Data with urgent scheduling requirements can also be determined based on the service characteristics of specific data. For example, it can be determined whether uplink data has urgent scheduling requirements based on the importance of uplink data. For example, if I frame data is more important than P frame data, it can be determined that I frame data has urgent scheduling requirements.
  • the uplink data with urgent scheduling requirements may be one of multiple data streams to be jointly decoded. Since multiple data streams need to be jointly decoded, if one of the data streams does not arrive before the scheduled decoding time, the decoding will fail.
  • the uplink data with an urgent scheduling requirement may be uplink data whose time interval from the latest transmission deadline is less than a predetermined time threshold.
  • the first data may be data whose remaining data packet delay budget is less than a first threshold.
  • the remaining data packet delay budget may be the difference between the delay budget of the data and the length of time the data has been waiting. That is, the remaining data packet delay budget is the length of time remaining in the delay budget configured for the data.
  • the first data is a data packet or a data packet set.
  • the first data with a higher scheduling urgency requirement can be based on data packet statistics or based on data packet set statistics.
  • the terminal device performs statistics on the first data in the first logical channel, and determines that the first data has a high scheduling urgency requirement based on the statistical result.
  • logical channel priority processing is performed on the first logical channel according to the logical channel priority.
  • the selection of the first logical channel corresponding to the first data with high scheduling urgency is based on the first condition. That is, the first logical channel needs to meet the first condition before it can be selected for data transmission.
  • the first condition when selecting the first logical channel corresponding to the first data having the strictest delay budget, includes at least one of the following:
  • the set of allowed subcarrier spacing indices in allowedSCS-List includes the subcarrier spacing indices associated with the uplink grant;
  • maxPUSCH-Duration is greater than or equal to the PUSCH transmission duration associated with the uplink grant
  • allowedServingCells includes the cell information associated with the uplink grant
  • allowedCG-List includes the configured grant index associated with the uplink grant
  • allowedPHY-PriorityIndex includes the priority index associated with the dynamic uplink grant.
  • the first data can be carried in any uplink authorization configured by the access network device for the terminal device.
  • the first logical channel cannot be selected for data transmission.
  • the selection of the first logical channel can also be a relaxed logical channel selection.
  • the logical channel priority processing can also be called enhanced logical channel priority processing.
  • the relaxed logical channel selection can be based on the second condition.
  • the second condition that is, several conditions configured in the first condition are invalid (Not applying the restriction).
  • the selection process of the logical channel is relaxed.
  • the restriction of the logical channel is reduced, and it is more likely to be selected into the logical channel for data to be transmitted.
  • the second condition includes one of the following:
  • the logical channel selection is performed based on the second condition, including one of the following:
  • mapping of logical channels is not restricted for the hybrid automatic repeat request (HARQ) mode (Not applying this restriction, there is no restriction for HARQ mode for the mapping);
  • the data of the logical channel is mapped to any configured serving cell of the cell group (Not applying this restriction, UL MAC SDUs from this logical channel can be mapped to any configured serving cell of this cell group);
  • data of the logical channel can be transmitted with grant type 1 outside the allowedSCS-List configuration (Not applying this restriction, those configured grant type 1 configuration not indicated in allowedCG-List are allowed for use by this logical channel);
  • the above multiple conditions can exist separately or simultaneously.
  • one of the parameters such as allowedSCS-List, allowedHARQ-mode, maxPUSCH-Duration, configuredGrantType1Allowed, allowedServingCells, allowedCG-List, allowedPHY-PriorityIndex, allowedHARQ-mode (it is not excluded that more logical channel selection restrictions will be introduced in the protocol in the future) can be invalid, or multiple conditions can be invalid at the same time.
  • the logical channel selection is performed based on the second condition, including that the above-configured parameters such as allowedSCS-List, allowedHARQ-mode, maxPUSCH-Duration, configuredGrantType1Allowed, allowedServingCells, allowedCG-List, allowedPHY-PriorityIndex, and allowedHARQ-mode are all invalid, that is, there is no need to perform any of the above restriction decisions on the selection of the logical channel.
  • the above-configured parameters such as allowedSCS-List, allowedHARQ-mode, maxPUSCH-Duration, configuredGrantType1Allowed, allowedServingCells, allowedCG-List, allowedPHY-PriorityIndex, and allowedHARQ-mode are all invalid, that is, there is no need to perform any of the above restriction decisions on the selection of the logical channel.
  • the second condition may be indicated by the access network device. In one embodiment, the second condition may be pre-agreed according to a protocol.
  • the terminal device For the selected first logical channel, the terminal device performs a logical channel priority process to determine the mapping of the first logical channel to resources, that is, to perform resource allocation.
  • the terminal device uses a relaxed token bucket process to process the first logical channel.
  • the terminal device does not use a token bucket to restrict transmission of the first data of the first logical channel.
  • the delay budget of the first data of the first service is less than a first threshold
  • the first data of the first logical channel is preferentially mapped to the authorization.
  • the above relaxed token bucket process may specifically include three steps: For each logical channel j, a variable Bj is allocated.
  • resources are allocated to all allowed logical channels with Bj>0 in order of decreasing priority. If the priority bit rate (PBR) of a logical channel is set to "infinite", the terminal device allocates resources for all transmittable data on the logical channel until the PBR of the logical channel with a lower priority is reached. If a PDB (packet delay budget) is configured and there is first data on any logical channel, that is, a logical channel that contains uplink data with a delay budget less than a threshold, the terminal device allocates resources for all transmittable data on the logical channel until the PBR of the logical channel with a lower priority is reached. This ensures that the first data on the logical channel that is about to reach the packet delay budget can be transmitted first.
  • PBR priority bit rate
  • Bj is subtracted from the total size of the MAC (medium access control) SDU (service data unit) that has served the logical channel j in the first step.
  • the third step if there are resources left, resources are allocated to all allowed logical channels in strict order of decreasing priority (regardless of the value of Bj) until the data or grants for the logical channels are exhausted. Logical channels with equal priority should be treated equally.
  • the terminal device can allocate resources for transmission of all data that meet the PBD requirements.
  • the terminal device may allocate resources for all data with high scheduling urgency requirements for transmission. It should be noted that in this case, the amount of allocated resources may exceed the size of the token bucket.
  • the resources in the token bucket relaxation process in the above embodiment are configured by the access network device for the terminal device.
  • the method may further include: receiving radio resource control (RRC) signaling from an access network device.
  • RRC radio resource control
  • the RRC signaling may include a logical channel configuration parameter, and the logical channel configuration parameter is used to indicate the priority of the first logical channel.
  • the priority of the logical channel of the terminal device is determined by the access network device and configured to the terminal device.
  • the terminal device may receive radio resource control (RRC) signaling from the access network device.
  • the RRC signaling includes a logicalChannelConfig parameter, which is used to indicate the priority of the first logical channel.
  • the access network device may send a logicalChannelConfig parameter to the terminal device.
  • the logicalChannelConfig parameter may include a priority field for indicating the priority of the logical channel.
  • the priority field includes the priority of the first logical channel.
  • logical channels are sorted, and according to the resource allocation process of the logical channels (with possible additional token bucket restrictions), the priority of the first logical channel can be temporarily increased to the highest priority level.
  • the priority of the first logical channel can be temporarily raised to the highest priority. For example, both LCH1 and LCH2 are selected for resource allocation. At this time, even if the logical channel priority of LCH1 is higher, the priority is raised because there is data in LCH2. Therefore, resources will be allocated according to the token bucket according to LCH2 (if the token bucket algorithm is attached), and then resources will be allocated according to the token bucket according to LCH1 (if the token bucket algorithm is attached).
  • logical channels are sorted, and the priority of the first logical channel can be temporarily increased to the highest priority level.
  • logical channels are sorted, and the data portion containing the first data can be placed even before part of the MAC CE, that is, the priority is temporarily increased to the highest priority level.
  • the logical channels of the terminal device follow the following relative priorities (arranged from high to low):
  • MAC CE for IAB-MT recommended beam indication, or MAC CE for required IAB-MT PSD (protection switch duration) range, or MAC CE for required downlink transmit power adjustment;
  • data from any logical channel with the strictest delay budget may have a higher priority than data from any other logical channel.
  • the terminal device may map the first logical channel to the first authorization. Specifically, when the access network device configures the authorization for the terminal device, the access network device may configure the first authorization to be dedicated to or preferentially used for data with high scheduling urgency requirements. In this case, the resources corresponding to the first authorization are only used to carry data with high scheduling urgency requirements, or are preferentially used to carry data with high scheduling urgency requirements. Then, in the case of confirming the existence of the first authorization, the terminal device may directly map the first logical channel to the resources corresponding to the first authorization.
  • FIG3 is a flow chart of a method for processing logical channel priority in an embodiment of the present disclosure, which is applied to a terminal device.
  • the method may further include: S230, receiving a first authorization indicated by the access network device.
  • the terminal device may receive authorization information from the access network device, and the authorization information may be dedicated to or preferentially used for the first authorization of data with high scheduling urgency requirements.
  • the method may further include: S240, sending auxiliary information to the access network device.
  • the terminal device may send auxiliary information to the access network device, and the auxiliary information may be used by the access network device to determine the first authorization.
  • S230 and S240 are executed before S220.
  • the execution order of S230 and S240 and S210 is not limited.
  • One or more of S230 and S240 can be executed before, after or simultaneously with S210.
  • an embodiment of the present disclosure provides a logical channel priority processing method, which can be applied to an access network device.
  • Fig. 4 is a flow chart of a method for processing logical channel priority in an embodiment of the present disclosure, which is applied to an access network device. As shown in Fig. 4, the method may include S410.
  • a first authorization is indicated to the terminal device.
  • the first authorization is dedicated to or prioritized for data with high scheduling urgency requirements.
  • the method may further include: S420, receiving auxiliary information from the terminal device.
  • the auxiliary information is used by the access network device to determine the first authorization.
  • the access network device can determine the authorization information according to the auxiliary information.
  • the above method may include: sending RRC signaling to the terminal.
  • the RRC signaling includes a logical channel configuration parameter.
  • the logical channel configuration parameter is used to indicate the priority of the first logical channel.
  • the first logical channel corresponds to first data with high scheduling urgency requirements in the first service.
  • S410 and S420 of the logical channel priority processing method on the access network device side shown in Figure 4 correspond to S230 and S240 of the logical channel priority processing method on the terminal device side shown in Figure 3. Therefore, the specific details of S410 and S420 can be referred to S230 and S240, and the embodiments of the present disclosure will not be repeated here.
  • logical channel priority processing is performed on the first logical channel corresponding to the first data with high scheduling emergency needs.
  • the priority of the logical channel corresponding to the data with high scheduling emergency needs is set to only after MAC CE, and the logical channel is preferentially mapped to resources for transmission. In this way, it is possible to respond promptly to the emergency transmission situation of data with high scheduling emergency needs, realize the priority transmission of emergency data, and meet the delay requirements of data transmission.
  • the priority of the logical channel corresponding to the data with high scheduling emergency needs can be set to only after MAC CE, and the logical channel is preferentially mapped to resources for transmission. In this way, it is possible to respond promptly to the emergency transmission situation of data with high scheduling emergency needs, realize the priority transmission of emergency data, and meet the delay requirements of data transmission.
  • the embodiment of the present disclosure also provides a logical channel priority processing device.
  • the device can be set in a terminal device.
  • Figure 5 is a structural schematic diagram of a logical channel priority processing device in an embodiment of the present disclosure.
  • the device 500 includes a processing module 510.
  • the processing module 510 is configured to: determine that the first logical channel corresponds to the first data with a high scheduling emergency demand in the first service; and perform logical channel priority processing on the first logical channel according to the logical channel priority.
  • the first service may be an extended reality XR service.
  • the first data may have the strictest delay budget.
  • the first data may be data indicated by the NAS and/or the application layer; or, the first data may be data indicating that a remaining data packet delay budget is less than a first threshold.
  • the first data may be a data packet or a set of data packets.
  • the first data can be carried in any uplink authorization configured by the access network device for the terminal device.
  • the logical channel priority processing may include a relaxed logical channel selection process.
  • At least one of the following may be performed on the first logical channel: when the allowedCG-List configuration restriction condition fails, the data of the logical channel is mapped to any configured configuration authorization; when the allowedHARQ-mode configuration restriction condition fails, the mapping of the logical channel is not restricted to the HARQ mode; when the allowedSCS-List configuration restriction condition fails, the data of the logical channel is mapped to any configured basic parameter set; when the allowedPHY-PriorityIndex configuration restriction condition fails, the data of the logical channel is mapped to any dynamic authorization; when the allowedServingCells configuration restriction condition fails, the data of the logical channel is mapped to any configured serving cell of the cell group; when the configuredGrantType1Allowed configuration restriction condition fails, the data of the logical channel is not transmitted with the configured grant type 1; when the maxPUSCH-Duration configuration restriction condition fails, the data of the logical channel is transmitted with any PUSCH duration.
  • the processing module 510 may not use a token bucket to limit the transmission of the first data of the first logical channel.
  • the processing module 510 may be configured to: preferentially map the first data of the first logical channel to the grant when the delay budget of the first data of the first service is less than a first threshold.
  • the priority of the first logical channel is temporarily increased to the highest priority level when allocating resources or sorting logical channel priorities.
  • the processing module 510 may be configured to: map the first logical channel to a first grant; wherein the first grant is dedicated to or preferentially used for the first data.
  • the apparatus 500 may further include a receiving module 530.
  • the receiving module 530 is configured to: receive a first authorization indicated by the access network device.
  • the sending module 520 may also be configured to: send auxiliary information to the access network device, wherein the auxiliary information is used by the access network device to determine the first authorization.
  • the embodiment of the present disclosure also provides a logical channel priority processing device.
  • the device can be set in an access network device.
  • Figure 6 is a structural schematic diagram of a logical channel priority processing device in an embodiment of the present disclosure.
  • the device 600 includes a sending module 610.
  • the sending module 610 is configured to: indicate a first authorization to the terminal device, wherein the first authorization is dedicated to or preferentially used for first data with high scheduling urgency requirements.
  • the apparatus 600 may further include a receiving module 620.
  • the receiving module 620 is configured to: receive auxiliary information from the terminal device, wherein the auxiliary information is used by the access network device to determine the first authorization.
  • an embodiment of the present disclosure further provides an electronic device.
  • the electronic device may be a terminal device or an access network device in one or more of the above embodiments.
  • FIG. 7 is a schematic diagram of the structure of an electronic device in an embodiment of the present disclosure. As shown in FIG. 7 , the electronic device 700 uses general computer hardware, including a processor 701, a memory 702, a bus 703, an input device 704, and an output device 705.
  • the memory 702 may include computer storage media in the form of volatile and/or non-volatile memory, such as read-only memory and/or random access memory.
  • the memory 702 may store an operating system, application programs, other program modules, executable code, program data, user data, etc.
  • Input device 704 can be used to input commands and information to the electronic device, such as a keyboard or a pointing device, such as a mouse, trackball, touch pad, microphone, joystick, game pad, satellite TV antenna, scanner or similar device. These input devices can be connected to processor 701 via bus 703.
  • the output device 705 can be used for outputting information to the electronic device.
  • the output device 705 can also be other peripheral output devices, such as speakers and/or printing devices. These output devices can also be connected to the processor 701 through the bus 703.
  • the electronic device can be connected to a network, such as a local area network (LAN), via antenna 706.
  • a network such as a local area network (LAN)
  • the computer executable instructions stored in the control device can be stored in a remote storage device, rather than being limited to local storage.
  • the electronic device executes the executable code or application stored in the memory 702
  • the electronic device executes the logical channel priority processing method on the electronic device side and the access network device side in the above embodiments.
  • the specific execution process refers to the above embodiments and will not be repeated here.
  • the embodiment of the present disclosure also provides a terminal device, which is consistent with the terminal device in one or more of the above embodiments.
  • the terminal device can be a mobile phone, a computer, a digital broadcast terminal, a message transceiver device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • FIG8 is a schematic diagram of the structure of a terminal device in an embodiment of the present disclosure.
  • the terminal device 800 may include one or more of the following components: a processing component 801, a memory 802, a power component 803, a multimedia component 804, an audio component 805, an input/output (I/O) interface 806, a sensor component 807, and a communication component 808.
  • a processing component 801 a memory 802
  • a power component 803 a multimedia component 804
  • an audio component 805 an input/output (I/O) interface 806, a sensor component 807, and a communication component 808.
  • I/O input/output
  • the processing component 801 generally controls the overall operation of the terminal device 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 801 may include one or more processors 810 to execute instructions to complete all or part of the steps of the above method.
  • the processing component 801 may include one or more modules to facilitate the interaction between the processing component 801 and other components.
  • the processing component 801 may include a multimedia module to facilitate the interaction between the multimedia component 804 and the processing component 801.
  • the memory 802 is configured to store various types of data to support operations on the terminal device 800. Examples of such data include instructions for any application or method operating on the terminal device 800, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 802 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 803 provides power to various components of the terminal device 800.
  • the power supply component 803 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the terminal device 800.
  • the multimedia component 804 includes a screen that provides an output interface between the terminal device 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 804 includes a front camera and/or a rear camera. When the terminal device 800 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and the rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 805 is configured to output and/or input audio signals.
  • the audio component 805 includes a microphone (MIC), and when the terminal device 800 is in an operation mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal can be further stored in the memory 802 or sent via the communication component 808.
  • the audio component 805 also includes a speaker for outputting audio signals.
  • I/O interface 806 provides an interface between processing component 801 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
  • the sensor assembly 807 includes one or more sensors for providing various aspects of status assessment for the terminal device 800.
  • the sensor assembly 807 can detect the open/closed state of the terminal device 800, the relative positioning of components, such as the display and keypad of the terminal device 800, and the sensor assembly 807 can also detect the position change of the terminal device 800 or a component of the terminal device 800, the presence or absence of contact between the user and the terminal device 800, the orientation or acceleration/deceleration of the terminal device 800, and the temperature change of the terminal device 800.
  • the sensor assembly 807 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor assembly 807 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 807 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 808 is configured to facilitate wired or wireless communication between the terminal device 800 and other devices.
  • the terminal device 800 can access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G or 4G or 5G or an evolved version thereafter, or a combination thereof.
  • the communication component 808 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 808 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the terminal device 800 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the above method.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors, or other electronic components to perform the above method.
  • an embodiment of the present disclosure provides a network device, which is consistent with the access network device in one or more of the above embodiments.
  • FIG9 is a schematic diagram of the structure of a network device in an embodiment of the present disclosure.
  • the network device 900 may include a processing component 901, which further includes one or more processors, and a memory resource represented by a memory 902, for storing instructions that can be executed by the processing component 901, such as an application.
  • the application stored in the memory 902 may include one or more modules, each of which corresponds to a set of instructions.
  • the processing component 901 is configured to execute instructions to execute the aforementioned logical channel priority processing method applied on the access network device.
  • the network device 900 may also include a power supply component 903 configured to perform power management of the network device 900, a wired or wireless network interface 904 configured to connect the network device 900 to a network, and an input/output (I/O) interface 905.
  • the network device 900 may operate based on an operating system stored in the memory 902, such as Windows Server TM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.
  • an embodiment of the present disclosure also provides a computer-readable storage medium on which computer-executable instructions are stored; when the computer-executable instructions are executed by a processor in a computer, they are used to execute the logical channel priority processing method on the terminal device side and the access network device side in one or more of the above embodiments.
  • the embodiments of the present disclosure also provide a computer program or a computer program product.
  • the computer program product When the computer program product is executed on a computer, the computer implements the logical channel priority processing method on the terminal device side and the access network device side in one or more of the above embodiments.

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Abstract

本公开提供了一种逻辑信道优先级处理方法和装置、电子设备及存储介质。该方法包括：确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应；按照逻辑信道优先级，对第一逻辑信道进行逻辑信道优先级处理。在本公开中，通过对具有高调度紧急需求的第一数据对应的第一逻辑信道进行逻辑信道优先级处理，能够对存在具有高调度紧急需求的数据的紧急传输情况进行及时应对，实现紧急数据的优先传输，满足数据传输的延时要求。

Description

逻辑信道优先级处理方法和装置、电子设备及存储介质 技术领域
本公开涉及无线通信技术领域，尤其涉及一种逻辑信道优先级处理方法和装置、电子设备及存储介质。
背景技术
扩展现实(extended reality，XR)是指通过计算机技术和可穿戴设备产生的一个真实与虚拟组合的、可人机交互的环境。XR是增强现实(augmented reality，AR)、虚拟现实(virtual reality，VR)、混合现实(mixed reality，MR)等多种技术的统称。通过将AR、VR、MR的视觉交互技术相融合，为用户带来虚拟世界与现实世界之间无缝转换的“沉浸感”。
第五代移动通信技术(5th generation mobile communication technology，又称为5G技术)的迅速发展使得移动通信对人们的生活和工作产生了巨大的影响。
在XR业务中，业务流通常由多个数据流构成，并且具有非常大的数据量。而XR业务的业务流的传输需要满足一定的时延需求，尤其是有些数据流需要同时到达网络功能进行同步处理(例如，联合解码)。那么，任何一个数据流的延迟都会导致多个数据流的同步处理失败。因此，在使用5G技术实现XR业务的过程中，接入网设备配置逻辑信道的优先级。5G技术中使用逻辑信道优先级(logic channel prioritization，LCP)过程对承载有数据流的逻辑信道进行优先级处理。
但是，在数据传输的过程中，始终会存在紧急传输的情况。在此情况下，一个或多个数据流的数据可能具有高调度紧急需求。例如，逻辑信道中承载的数据的延迟预算较小。然而，现有的LCP过程无法针对紧急传输的情况做出及时的反应。
那么，如何使逻辑信道优先级处理及时应对紧急传输的情况是一个亟待解决的问题。
发明内容
本公开提供了一种逻辑信道优先级处理方法和装置、电子设备及存储介质，以实现紧急数据的优先传输。
在第一方面，本公开提供了一种逻辑信道优先级处理方法。该方法可以应用于诸如UE之类的终端设备。上述方法可以包括：确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应；按照逻辑信道优先级，对第一逻辑信道进行逻辑信道优先级处理。
在一些可能的实施方式中，第一业务可以为扩展现实XR业务。
在一些可能的实施方式中，第一数据可以具有最严格的延迟预算。
在一些可能的实施方式中，第一数据可以是由NAS和/或应用层指示的数据；或，第一数据可以是剩余数据包延迟预算小于第一阈值的数据。
在一些可能的实施方式中，第一数据可以为数据包或者数据包集合。
在一些可能的实施方式中，通过逻辑信道优先级处理，第一数据可以承载于接入网设备为终端设备配置的上行链路授权中的任一授权。
在一些可能的实施方式中，逻辑信道优先级处理可以包括放松的逻辑信道选择过程。
在一些可能的实施方式中，在放松的逻辑信道选择过程中，对第一逻辑信道可以执行以下至少之一：在allowedCG-List配置限制条件失效的情况下，逻辑信道的数据映射到已配置的任一配置授权；在allowedHARQ-mode配置限制条件失效的情况下，逻辑信道的映射与HARQ模式无限制；在allowedSCS-List配置限制条件失效的情况下，逻辑信道的数据映射到任何已配置的基础参数集合；在allowedPHY-PriorityIndex配置限制条件失效的情况下，逻辑信道的数据映射到任何动态授权；在allowedServingCells配置限制条件失效的情况下，逻辑信道的数据映射到小区组的任何已配置的服务小区；在configuredGrantType1Allowed失效的情况下，逻辑信道的数据不以配置的授权类型1进行传输；在maxPUSCH-Duration失效的情况下，逻辑信道的数据以任何PUSCH的持续时长进行传输。
在一些可能的实施方式中，在按照逻辑信道优先级对第一逻辑信道进行逻辑信道优先级处理的过程中，不使用令牌桶限制第一逻辑信道的第一数据的传输。
在一些可能的实施方式中，在不使用令牌桶限制第一逻辑信道的第一数据的传输的情况下，按照逻辑信道优先级对第一逻辑信道进行逻辑信道优先级处理的操作可以包括：在第一业务的第一数据的延迟预算小于第一阈值的情况下，将第一逻辑信道的第一数据优先映射到授权。
在一些可能的实施方式中，在资源分配时或者逻辑信道优先级别排序时将第一逻辑信道的优先级进行临时提升到最高优先级别。
在一些可能的实施方式中，上述方法可以包括：将第一逻辑信道映射到第一授权；其中，第一授权专用于或优先用于第一数据。
在一些可能的实施方式中，上述方法还可以包括：接收接入网设备指示的第一授权。
在一些可能的实施方式中，在接收接入网设备指示的第一授权的操作之前，上述方法还可以包括：向接入网设备发送辅助信息，其中，辅助信息用于接入网设备确定第一授权。
在第二方面，本公开还提供了一种逻辑信道优先级处理方法。该方法可以应用于接入网设备。上述方法包括：向终端设备指示第一授权，其中，第一授权专用于或优先用于具有高调度紧急需求的第一数据。
在一些可能的实施方式中，在向终端设备指示第一授权的操作之前，上述方法还可以包括：接收来自终端设备的辅助信息，其中，辅助信息用于接入网设备确定第一授权。
在第三方面，本公开还提供了一种逻辑信道优先级处理装置。该装置可以设置于终端设备。上述方法包括处理模块。处理模块配置为：确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应；按照逻辑信道优先级，对第一逻辑信道进行逻辑信道优先级处理。
在一些可能的实施方式中，第一业务可以为扩展现实XR业务。
在一些可能的实施方式中，第一数据可以具有最严格的延迟预算。
在一些可能的实施方式中，第一数据可以是由NAS和/或应用层指示的数据；或，第一数据可以是 剩余数据包延迟预算小于第一阈值的数据。
在一些可能的实施方式中，第一数据可以为数据包或者数据包集合。
在一些可能的实施方式中，通过逻辑信道优先级处理，第一数据可以承载于接入网设备为终端设备配置的上行链路授权中的任一授权。
在一些可能的实施方式中，逻辑信道优先级处理可以包括放松的逻辑信道选择过程。
在一些可能的实施方式中，在放松的逻辑信道选择过程中，对第一逻辑信道可以执行以下至少之一：在allowedCG-List配置限制条件失效的情况下，逻辑信道的数据映射到已配置的任一配置授权；在allowedHARQ-mode配置限制条件失效的情况下，逻辑信道的映射与HARQ模式无限制；在allowedSCS-List配置限制条件失效的情况下，逻辑信道的数据映射到任何已配置的基础参数集合；在allowedPHY-PriorityIndex配置限制条件失效的情况下，逻辑信道的数据映射到任何动态授权；在allowedServingCells配置限制条件失效的情况下，逻辑信道的数据映射到小区组的任何已配置的服务小区；在configuredGrantType1Allowed配置限制条件失效的情况下，逻辑信道的数据不以配置的授权类型1进行传输；在maxPUSCH-Duration配置限制条件失效的情况下，逻辑信道的数据以任何PUSCH的持续时长进行传输。
在一些可能的实施方式中，上述处理模块可以配置为：不使用令牌桶限制第一逻辑信道的第一数据的传输。
在一些可能的实施方式中，上述处理模块可以配置为：在第一业务的第一数据的延迟预算小于第一阈值的情况下，将第一逻辑信道的第一数据优先映射到授权。
在一些可能的实施方式中，在资源分配时或者逻辑信道优先级别排序时将第一逻辑信道的优先级进行临时提升到最高优先级别。
在一些可能的实施方式中，上述处理模块可以配置为：将第一逻辑信道映射到第一授权；其中，第一授权专用于或优先用于第一数据。
在一些可能的实施方式中，上述装置还可以包括接收模块。接收模块配置为：接收接入网设备指示的第一授权。
在一些可能的实施方式中，上述发送模块还可以配置为：向接入网设备发送辅助信息，其中，辅助信息用于接入网设备确定第一授权。
在第四方面，本公开还提供了一种逻辑信道优先级处理装置。该装置可以设置于接入网设备。上述装置包括发送模块。发送模块配置为：向终端设备指示第一授权，其中，第一授权专用于或优先用于具有高调度紧急需求的第一数据。
在一些可能的实施方式中，上述装置还可以包括接收模块。接收模块配置为：接收来自终端设备的辅助信息，其中，辅助信息用于接入网设备确定第一授权。
在第五方面，本公开还提供了一种电子设备。该电子设备包括存储器和处理器。存储器配置为存储计算机可执行指令。处理器配置为执行存储器中的计算机可执行指令，以实现如第一方面、第二方面及其可能的实施方式中任一项的逻辑信道优先级处理方法。
在第六方面，本公开还提供了一种计算机存储介质。该计算机存储介质上存储有计算机可执行指令。 计算机可执行指令被电子设备中的处理器执行后能够实现如第一方面、第二方面及其可能的实施方式中任一项的逻辑信道优先级处理方法。
根据本公开的逻辑信道优先级处理方法，通过对具有高调度紧急需求的第一数据对应的第一逻辑信道进行逻辑信道优先级处理。如此，能够对存在具有高调度紧急需求的数据的紧急传输情况进行及时应对，实现紧急数据的优先传输，满足数据传输的延时要求。
应当理解的是，本公开的第三至六方面与本公开的第一至二方面的技术方案一致，各方面及对应的可行实施方式所取得的有益效果相似，不再赘述。
附图说明
图1为基于5G通信系统实现XR业务的场景示意图。
图2为本公开实施例中的一种逻辑信道优先级处理方法的流程示意图。
图3为本公开实施例中的一种逻辑信道优先级处理方法的流程示意图。
图4为本公开实施例中的一种逻辑信道优先级处理方法的流程示意图。
图5为本公开实施例中的一种逻辑信道优先级处理装置的结构示意图。
图6为本公开实施例中的一种逻辑信道优先级处理装置的结构示意图。
图7为本公开实施例中的一种电子设备的结构示意图。
图8为本公开实施例中的一种终端设备的结构示意图。
图9为本公开实施例中的一种网络设备的结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语“第一”、“第二”、“第三”等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，“第一信息”也可以被称为“第二信息”，类似地，“第二信息”也可以被称为“第一信息”。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
进一步地，在本公开实施例的描述中，“和/或”仅仅是一种描述关联对象的关联关系，表示可以存 在三种关系。例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，在本公开实施例的描述中，“多个”可以指两个或多于两个。
5G技术的迅速发展使得移动通信对人们的生活和工作产生了巨大的影响。在5G技术中，接入网设备向终端设备发送上行链路授权(uplink grant，UL grant)以为终端设备分配上行链路授权资源；在接收到来自接入网功能的上行链路授权之后，终端设备可以将来自多条逻辑信道的数据复用至传输资源。那么，终端设备需要通过逻辑信道选择过程和逻辑信道优先级过程对承载有数据的逻辑信道进行优先级处理。
终端设备首先执行逻辑信道选择过程以对逻辑信道进行选择。具体地，逻辑信道选择过程包括了一些条件，只有满足这些条件的逻辑信道能够用于数据的传输，即作为候选的数据传输的逻辑信道。这些条件涉及以下内容(参数)：允许子载波间隔列表(例如，allowedSCS-List)、最大物理上行共享信道时长(例如，maxPUSCH-Duration)、允许配置授权类型1(例如，configuredGrantType1Allowed)、允许服务小区(例如，allowedServingCells)、允许配置授权列表(例如，allowedCG-List)、允许物理优先级索引(例如，allowedPHY-PriorityIndex)、允许HARQ模式(例如，allowedHARQ-mode)。
具体地，以5G通信系统为背景对以上内容进行具体阐述：
-allowedSCS-List：allowedSCS-List中设置了用于传输所允许的子载波间隔(subcarrier spacing，SCS)；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置)allowedSCS-List中允许的子载波间隔索引集合包括与上行链路授权关联的子载波间隔索引。
-maxPUSCH-Duration：maxPUSCH-Duration中设置了用于传输所允许的最大物理上行共享信道(physical uplink shared channel，PUSCH)时长；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置)maxPUSCH-Duration大于或等于与上行链路授权相关联的PUSCH传输时长。
-configuredGrantType1Allowed：configuredGrantType1Allowed设置了配置的授权类型1是否能够用于传输；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置且为真)在上行链路为配置的授权类型1的情况下。
-allowedServingCells：allowedServingCells中设置了用于传输所允许的小区；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置)allowedServingCells包括与上行链路授权关联的小区信息。
-allowedCG-List：allowedCG-List中设置了用于传输所允许的配置授权(configured grant，CG)；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置)allowedCG-List包括与上行链路授权关联的配置授权(CG)索引；
-allowedPHY-PriorityIndex：allowedPHY-PriorityIndex中设置了用于传输的动态授权的允许的物理层(PHY)优先级索引；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置)allowedPHY-PriorityIndex包括与动态上行链路授权关联的物理层优先级索引。
-allowedHARQ-mode：allowedHARQ-mode中设置了用于传输的动态授权的HARQ(hybrid automatic repeat request，混合自动重传请求)进程允许的上行HARQ模式；则对应的该逻辑信道被选择的条件或者需要满足的条件为：(如果配置)allowedHARQ-mode包括与动态上行链路授权关联HARQ 进程关联的HARQ模式。
需要说明的是，以上参数也可以存在于通信标准的进一步演进版本中，并且可能具有不同的名称，本公开实施例对此不做具体限定。
在逻辑信道选择之后，终端设备执行逻辑信道优先级过程以为所选择的逻辑信道分配资源。逻辑信道优先级过程的具体实现以及逻辑信道的优先级顺序可以参见3GPP标准文件TS 36.321中5.4.3.1对LCP的说明。
XR是指通过计算机技术和可穿戴设备产生的一个真实与虚拟组合的、可人机交互的环境。XR是AR、VR、MR等多种技术的统称。通过将AR、VR、MR的视觉交互技术相融合，为用户带来虚拟世界与现实世界之间无缝转换的“沉浸感”。在XR业务中，业务流通常由多个数据流构成，并且具有非常大的数据量。
5G技术可以用于实现XR业务。图1为基于5G通信系统实现XR业务的场景示意图。在图1中，终端设备10是用于实现XR业务的设备。例如，终端设备10可以是眼镜、头盔、移动电话、投影机、显示器等设备。服务器20是用于提供XR业务的服务器设备，通常是由运营商或者内容供应商提供的。终端设备10通过5G通信系统的接入网30和核心网40连接到服务器20，以实现终端设备10和服务器20之间的数据传输。
XR业务的业务流的传输需要满足一定的时延需求，尤其是有些数据流需要同时到达网络功能进行同步处理(例如，联合解码)。那么，任何一个数据流的延迟都会导致多个数据流的同步处理失败。因此，在使用5G技术实现XR业务的过程中，接入网功能获取各个数据流在调度过程中的紧急程度并配置逻辑信道的优先级。5G技术中使用逻辑信道优先级(logic channel prioritization，LCP)过程对承载有数据流的逻辑信道进行优先级处理。
但是，在数据传输的过程中，始终会存在紧急传输的情况。在此情况下，一个或多个数据流的数据具有高调度紧急需求。例如，数据的延迟预算较小。然而，现有的LCP过程无法针对紧急传输的情况做出及时的反应。
那么，如何在逻辑信道优先级处理中及时应对紧急传输的情况是一个亟待解决的问题。
为了解决上述问题，本公开实施例提供一种逻辑信道优先级处理方法，该通信方法可以应用于终端设备。示例性地，终端设备可以为用户设备(user equipment，UE)；接入网设备可以为5G通信系统中的下一代基站(next generation NodeB，gNB)。
需要说明的是，在终端设备执行本公开实施例的逻辑信道优先级处理方法时，该方法实际上可以由终端设备中的介质访问控制实体(MAC entity)执行。MAC实体位于L2MAC层上。当然，在其它情况下，该方法也可以由其它层实现，本公开实施例对此不做具体限定。
图2为本公开实施例中的一种逻辑信道优先级处理方法的流程示意图，应用于终端设备。如图2所示，该方法可以包括S210和S220。
在S210中，确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应。
其中，终端设备对第一逻辑信道中的数据进行判断，以确定该数据是否为第一业务的数据以及是否具有高调度紧急需求。在确定该数据为第一业务的数据并且具有高调度紧急需求的情况下，终端设备可 以确定第一逻辑信道与具有高调度紧急需求的第一数据对应。
另外，第一数据还可以从具有高调度紧急需求扩展为具有特殊调度需求的数据。
在一实施例中，第一逻辑信道中的第一数据可以为该逻辑信道中用于传输某个子QoS flow的数据(用sub-flow ID指示)。
可以理解的是，终端设备可以具有一个或多个逻辑信道。
在一实施例中，第一业务可以是XR业务。终端设备可以是用于实现XR业务的专用设备，例如，XR眼镜、XR头盔、XR投影机等；终端设备也可以是能够实现SR业务的通用设备，例如，移动电话、显示器等。在一实施例中，终端设备是用于实现XR业务的专用设备，则终端设备的一个或多个逻辑信道可以全部用于承载XR业务的数据。在一实施例中，终端设备是能够实现XR业务的通用设备，则终端设备的一个或多个逻辑信道中的至少一个信道可以用于承载XR业务的数据。需要说明的是，本公开实施例中的第一业务还可以是XR业务以外的其它业务，特别是具有大数据量、低延迟要求的业务，本公开实施例对此不做具体限制。
在一实施例中，剩余数据包延迟预算(the time left until exceeding the PDB)小于某个延迟阈值(比如判决该数据包的剩余数据包延迟预算小于10ms；延迟阈值可以协议约定或者从网络通知获得。PDB(packet delay buget，数据包延迟预算)的配置粒度可以是针对单个数据包，也可以是针对数据包集合)。
终端可以预估哪些数据包的PDB已经接近用完，还没有调度出去，因此需要进行优先调度。较高调度紧急需求的数据可以基于数据包(Packet)统计或者针对数据包集合(Packet set)进行统计。
在一实施例中，该阈值可以是由接入网设备配置的。例如，终端设备可以接收来自接入网设备的配置信息，该配置信息用于指示阈值。在一实施例中，接入网设备配置阈值的颗粒度包括但不限于：以终端设备为单位、以逻辑信道组(logical channel group，逻辑信道组)为单位、以逻辑信道(logical channel，LC)为单位。
在一实施例中，第一数据可以包括以下之一：来自非接入层(non-access stratum，非接入层)和/或应用层指示的第一数据；以及，延迟预算小于第一阈值的第一业务的数据。例如，第一数据可以由NAS指示具有高调度紧急需求。又例如，第一数据可以由应用层指示具有高调度紧急需求。
在一实施例中，具有紧急调度需求的第一数据可以包括如下：具有优先调度需求的上行数据，具有较高调度需求的上行数据。
具有紧急调度需求的数据也可以为需要进行优先调度需求的上行数据；还可以是网络或者终端确定的需要及时发送的上行数据。
具有紧急调度需求的数据还可以基于特定数据的业务特性确定的。例如，可以基于上行数据的重要性确定上行数据是否为具有紧急调度需求。比如I帧数据比P帧数据更加重要，可以确定I帧数据具有紧急调度需求。
示例性的，具有紧急调度需求的上行数据可以是多个进行联合解码的数据流中的一个。由于多个数据流需要联合解码，因此，如果其中一个数据流没有在预定的解码时刻之前到达，那么会使得解码失败。
在一个可能的实现方式中，具有紧急调度需求的上行数据可以是可以距离最晚发送时限的时间间隔小于预定时长阈值的上行数据。
在一实施例中，第一数据可以是剩余数据包延迟预算小于第一阈值的数据。剩余数据包延迟预算可以是数据的延迟预算与数据已经等待的时间长度之差。即，剩余数据包延迟预算是为数据配置的延迟预算中剩余的时间长度。
在一实施例中，第一数据为数据包或者数据包集合。对应地，具有较高调度紧急需求的第一数据可以基于数据包统计或者基于数据包集合统计。例如，终端设备对第一逻辑信道中的第一数据进行统计，并根据统计结果确定第一数据具有高调度紧急需求。
在S220中，按照逻辑信道优先级，对第一逻辑信道进行逻辑信道优先级处理。
其中，对与具有高调度紧急需求的第一数据对应的第一逻辑信道进行的选择是以第一条件为基础的。也就是说，第一逻辑信道需要满足第一条件才能够被选择用于数据传输。
在一实施例中，在对具有最严格的延迟预算的第一数据对应的第一逻辑信道进行选择时，第一条件包括以下至少之一：
-(如果配置)allowedSCS-List中允许的子载波间隔索引集合包括与上行链路授权关联的子载波间隔索引；
-(如果配置)maxPUSCH-Duration大于或等于与上行链路授权相关联的PUSCH传输时长；
-(如果配置)在上行链路为配置的授权类型1的情况下，configuredGrantType1Allowed设置为真；allowedServingCells包括与上行链路授权关联的小区信息；
-(如果配置)allowedCG-List包括与上行链路授权关联的配置授权索引；
-(如果配置)allowedPHY-PriorityIndex包括与动态上行链路授权关联的优先级索引。
在一实施例中，通过逻辑信道优先级处理，第一数据可以承载于接入网设备为终端设备配置的上行链路授权中的任一授权。
可以理解的是，在为第一逻辑信道配置有allowedSCS-List、maxPUSCH-Duration、
configuredGrantType1Allowed、allowedServingCells、allowedCG-List、allowedPHY-PriorityIndex等参数时，若配置的参数失效，则会导致第一逻辑信道不能被选择用于进行数据传输。为此，在逻辑信道优先级处理中，对第一逻辑信道进行的选择还可以是放松的逻辑信道选择。对应地，逻辑信道优先级处理也可以被称为增强的逻辑信道优先级处理。放松的逻辑信道选择可以以第二条件为基础。
可以理解的是，第二条件，即第一条件中配置的若干条件进行失效(Not applying the restriction)。其实就是放松了对逻辑信道的选择过程。此时终端在第二条件下进行选择，则该逻辑信道的限制减少，更有可能被选择到待传输数据的逻辑信道中。
在一实施例中，在放松的逻辑信道选择中，第二条件包括以下之一：
-对逻辑信道配置的allowedCG-List失效的情况下(Not applying this restriction)；
-对逻辑信道配置allowedHARQ-mode失效的情况下；
-对逻辑信道配置allowedSCS-List失效的情况下；
-对逻辑信道配置allowedPHY-PriorityIndex失效的情况下；
-对逻辑信道配置configuredGrantType1Allowed失效的情况下；
-对逻辑信道配置maxPUSCH-Duration失效的情况下；
在一实施例中，在放松的逻辑信道选择中，以第二条件为基础进行逻辑信道选择，包括以下之一：
-在allowedCG-List失效的情况下，逻辑信道的数据映射到已配置的任一配置授权(Not applying this restriction,UL MAC SDUs from this logical channel can be mapped to any configured grant configurations.)；
-在allowedHARQ-mode失效的情况下，逻辑信道的映射与混合自动重传请求(hybrid automatic repeat request，HARQ)模式无限制(Not applying this restriction,there is no restriction for HARQ mode for the mapping)；
-在allowedSCS-List失效的情况下，逻辑信道的数据映射到任何已配置的基础参数集合(Not applying this restriction,UL MAC SDUs from this logical channel can be mapped to any configured numerology)；
-在allowedPHY-PriorityIndex失效的情况下，逻辑信道的数据映射到任何动态授权(Not applying this restriction,UL MAC SDUs from this logical channel can be mapped to any dynamic grants)；
-在allowedServingCells失效的情况下，逻辑信道的数据映射到小区组的任何已配置的服务小区(Not applying this restriction,UL MAC SDUs from this logical channel can be mapped to any configured serving cell of this cell group)；
-在configuredGrantType1Allowed失效的情况下，逻辑信道的数据可以在allowedSCS-List配置之外的的授权类型1进行传输(Not applying this restriction,those configured grant type 1 configuration not indicated in allowedCG-List are allowed for use by this logical channel)；
-在maxPUSCH-Duration失效的情况下，逻辑信道的数据以任何PUSCH的持续时长进行传输(Not applying this restriction,UL MAC SDUs from this logical channel can be transmitted using an uplink grant resulting in any PUSCH duration)。
需要说明的是，以上多个条件可以单独存在，也可以同时存在。具体地，allowedSCS-List、allowedHARQ-mode、maxPUSCH-Duration、configuredGrantType1Allowed、allowedServingCells、allowedCG-List、allowedPHY-PriorityIndex、allowedHARQ-mode等参数(不排除今后协议中引入更多的逻辑信道选择限制条件)中的一个条件可以失效，或多个条件可以同时失效。
在一实施例中，在放松的逻辑信道选择中，以第二条件为基础进行逻辑信道选择，包括以上配置的allowedSCS-List、allowedHARQ-mode、maxPUSCH-Duration、configuredGrantType1Allowed、allowedServingCells、allowedCG-List、allowedPHY-PriorityIndex、allowedHARQ-mode等参数中都失效，即不用对该逻辑信道的选择进行如上任何一项限制判决。
在一实施例中，第二条件可以是由接入网设备指示的。在一实施例中，第二条件可以是根据协议预先约定的。
对于选择出的第一逻辑信道，终端设备执行逻辑信道优先级过程，以确定第一逻辑信道到资源的映射，即进行资源分配。
在一实施例中，终端设备使用放松的令牌桶过程对第一逻辑信道进行处理。在放松的令牌桶过程中，终端设备不使用令牌桶限制第一逻辑信道的第一数据的传输。
在一实施例中，在第一业务的第一数据的延迟预算小于第一阈值的情况下，将第一逻辑信道的第一 数据优先映射到授权。
在一实施例中，针对终端设备的一个或多个逻辑信道，上述放松的令牌桶过程具体可以包括三个步骤。其中，对于每个逻辑信道j，分配有变量Bj。
在第一步骤中，以优先级降低的顺序为具有Bj>0的全部允许逻辑信道分配资源。若一逻辑信道的优先级比特率(prioritized bit rate，PBR)被设置为“无限”，则终端设备为该逻辑信道上的全部可传输数据分配资源，直至达到较低优先级的逻辑信道的PBR。若配置有PDB(数据包延迟预算)已配置，并且任一逻辑信道上存在第一数据，即剩余包含延迟预算小于阈值的上行链路数据的逻辑信道，则终端设备为该逻辑信道上的全部可传输数据分配资源，直至达到较低优先级的逻辑信道的PBR。这样可以保证快要到达数据包延迟预算的逻辑信道上的第一数据可以优先传输。
在第二步骤中，将Bj减去在第一步骤中已经为逻辑信道j服务的MAC(medium access control，介质访问控制)SDU(service data unit，业务数据单元)的总大小。
在第三步骤中，若还有资源，则(不考虑Bj的值)以严格的优先级降低的顺序为全部允许逻辑信道分配资源，直至逻辑信道的数据或者授权耗尽。具有相等的优先级的逻辑信道应当同等对待。
在上述放松的令牌桶过程中，对于第一逻辑信道不进行令牌桶限制。在一实施例中，终端设备可以为达到PBD需求的全部数据分配资源进行传输。
在一实施例中，终端设备可以为具有高调度紧急需求的全部数据分配资源进行传输。需要说明的是，在此情况下，分配的资源的数量可能超过令牌桶的大小。
需要说明的是，上述实施例中的放松的令牌桶过程中的资源是接入网设备为终端设备配置的。
在一实施例中，在步骤S220之前，在一实施例中，上述方法还可以包括：接收来自接入网设备的无线资源控制(radio resource control，RRC)信令。RRC信令可以包括逻辑信道配置参数，逻辑信道配置参数用于指示第一逻辑信道的优先级。
具体地，终端设备的逻辑信道的优先级是由接入网设备确定并配置给终端设备的。在一实施例中，终端设备可以接收来自接入网设备的无线资源控制(radio resource control，RRC)信令。RRC信令包括logicalChannelConfig(逻辑信道配置)参数，该logicalChannelConfig参数用于指示第一逻辑信道的优先级。具体地，接入网设备可以向终端设备发送logicalChannelConfig参数。在logicalChannelConfig参数中可以包含用于指示逻辑信道优先级的优先级字段。该优先级字段包括第一逻辑信道的优先级。
在一实施例中，在以上资源资源分配时，进行逻辑信道排序，并按照逻辑信道(可能附加令牌桶限制)的资源分配过程时，可以将第一逻辑信道的优先级进行临时提升到最高优先级别。
在一实施例中，在资源分配时或者逻辑信道优先级别排序时，可以将第一逻辑信道的优先级进行临时提升到最高优先级别。比如LCH1和LCH2都被选择，进行资源分配。此时即便LCH1的逻辑信道优先级别更高，但是因为LCH2中存在数据，则进行优先级别提升。因此将按照LCH2按照令牌桶分配资源(假如附加令牌桶算法)，再对按照LCH1按照令牌桶分配资源(假如附加令牌桶算法)。
在一实施例中，在资源资源完成后，进行逻辑信道排序，可以将第一逻辑信道的优先级进行临时提升到最高优先级别。
在一实施例中，在资源资源完成后，进行逻辑信道排序，可以将包含第一数据的数据部分甚至放到 部分MAC CE之前，即将优先级进行临时提升到最高优先级别。
进一步地，在一实施例中，在逻辑信道优先级过程中，终端设备的逻辑信道(以及其中承载的数据)遵循以下相对优先级(从高到底排列)：
-用于C-RNTI(cell-radio network temporary identifier，小区无线网络临时标识)的MAC CE，或者来自UL-CCCH的数据；
-用于(增强)BFR(beam failure recovery，波束故障恢复)的MAC CE，或用于配置授权确认的MAC CE，或用于多入口配置授权确认的MAC CE；
-用于侧链路配置授权确认的MAC CE；
-用于LBT(listen before talk，“先听后说”)失败的MAC CE；
-用于定时提前报告的MAC CE；
-用于优先SL-BSR(sidelink-buffer status report，侧链路缓存状态报告)的MAC CE；
-用于(扩展)BSR的MAC CE(除填充BSR之外)；
-用于(增强)单入口PHR(power headroom report，功率余量报告)的MAC CE，或用于(增强)多入口PHR的MAC CE；
-用于定位测量间隙激活/去激活请求的MAC CE；
-用于所需保护符号的数量的MAC CE；
-用于Case-6定时请求的MAC CE；
-用于(扩展)抢占BSR的MAC CE；
-用于SL-BSR的MAC CE(除优先SL-BSR和填充SL-BSR之外)；
-用于IAB-MT推荐波束指示的MAC CE，或用于所需IAB-MT PSD(protection switch duration，保护倒换间隔时间)范围的MAC CE，或用于所需下行链路发送功率调整的MAC CE；
-来自任一逻辑信道的具有最严格的延迟预算(stringiest delay budget)的数据；
-来自任一逻辑信道的数据(除来自UL-CCCH的数据之外)；
-用于推荐比特率查询的MAC CE；
-用于填充BSR的MAC CE；
-用于填充侧链路BSR的MAC CE。
具体地，来自任一逻辑信道的具有最严格的延迟预算的数据(第一数据)的优先级可以高于来自任一其它逻辑信道的数据的优先级。
在一实施例中，终端设备可以将第一逻辑信道映射到第一授权。具体的，在接入网设备为终端设备配置授权的时候，接入网设备可以配置第一授权专用于或优先用于具有高调度紧急需求的数据。在此情况下，第一授权所对应的资源仅用于承载具有高调度紧急需求的数据，或优先用于承载具有高调度紧急需求的数据。那么，在确认存在第一授权的情况下，终端设备可以将第一逻辑信道直接映射到第一授权对应的资源。
图3为本公开实施例中的一种逻辑信道优先级处理方法的流程示意图，应用于终端设备。
在一实施例中，如图3所示，上述方法还可以包括：S230，接收接入网设备指示的第一授权。例 如，终端设备可以接收来自接入网设备的授权信息，该授权信息可以专用于或优先用于具有高调度紧急需求的数据的第一授权。
在一实施例中，在S230之前，上述方法还可以包括：S240，向接入网设备发送辅助信息。具体地，终端设备可以向接入网设备发送辅助信息，该辅助信息可以用于接入网设备确定第一授权。
需要说明的是，在图3中，S230和S240在S220之前执行。但是，S230和S240与S210的执行顺序是不受限制的。S230和S240中的一个或多个可以在S210之前、之后或同时执行。
基于相同的发明构思，本公开实施例提供一种逻辑信道优先级处理方法，该通信方法可以应用于接入网设备。
图4为本公开实施例中的一种逻辑信道优先级处理方法的流程示意图，应用于接入网设备。如图4所示，该方法可以包括S410。
在S410中，向终端设备指示第一授权。
其中，第一授权专用于或优先用于具有高调度紧急需求的数据的第一授权。
在一实施例中，在S410之前，上述方法还可以包括：S420，接收来自终端设备的辅助信息。
其中，辅助信息用于接入网设备确定第一授权。
可以理解的是，接入网设备在接收到来自终端设备的辅助信息之后，可以根据辅助信息确定授权信息。
在一实施例中，上述方法可以包括：向终端发送RRC信令。
其中，RRC信令包括逻辑信道配置参数。逻辑信道配置参数用于指示第一逻辑信道的优先级。第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应。
需要说明的是，图4所示接入网设备侧的逻辑信道优先级处理方法的S410和S420分别与图3所示终端设备侧的逻辑信道优先级处理方法的S230和S240对应。因此，S410和S420的具体细节可以参见S230和S240，本公开实施例对此不再赘述。
根据本公开实施例的逻辑信道优先级处理方法，对具有高调度紧急需求的第一数据对应的第一逻辑信道进行逻辑信道优先级处理。具体地，将具有高调度紧急需求的数据对应的逻辑信道的优先级设置为在仅在MAC CE之后，并且将该逻辑信道优先映射到资源上进行传输。如此，能够对存在具有高调度紧急需求的数据的紧急传输情况进行及时应对，实现紧急数据的优先传输，满足数据传输的延时要求。可以将具有高调度紧急需求的数据对应的逻辑信道的优先级设置为在仅在MAC CE之后，并且将该逻辑信道优先映射到资源上进行传输。如此，能够对存在具有高调度紧急需求的数据的紧急传输情况进行及时应对，实现紧急数据的优先传输，满足数据传输的延时要求。
基于相同的发明构思，本公开实施例还提供一种逻辑信道优先级处理装置。该装置可以设置于终端设备。图5为本公开实施例中的一种逻辑信道优先级处理装置的结构示意图。如图5所示，该装置500包括处理模块510。处理模块510配置为：确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应；按照逻辑信道优先级，对第一逻辑信道进行逻辑信道优先级处理。
在一些可能的实施方式中，第一业务可以为扩展现实XR业务。
在一些可能的实施方式中，第一数据可以具有最严格的延迟预算。
在一些可能的实施方式中，第一数据可以是由NAS和/或应用层指示的数据；或，第一数据可以是剩余数据包延迟预算小于第一阈值的数据。
在一些可能的实施方式中，第一数据可以为数据包或者数据包集合。
在一些可能的实施方式中，通过逻辑信道优先级处理，第一数据可以承载于接入网设备为终端设备配置的上行链路授权中的任一授权。
在一些可能的实施方式中，逻辑信道优先级处理可以包括放松的逻辑信道选择过程。
在一些可能的实施方式中，在放松的逻辑信道选择过程中，对第一逻辑信道可以执行以下至少之一：在allowedCG-List配置限制条件失效的情况下，逻辑信道的数据映射到已配置的任一配置授权；在allowedHARQ-mode配置限制条件失效的情况下，逻辑信道的映射与HARQ模式无限制；在allowedSCS-List配置限制条件失效的情况下，逻辑信道的数据映射到任何已配置的基础参数集合；在allowedPHY-PriorityIndex配置限制条件失效的情况下，逻辑信道的数据映射到任何动态授权；在allowedServingCells配置限制条件失效的情况下，逻辑信道的数据映射到小区组的任何已配置的服务小区；在configuredGrantType1Allowed配置限制条件失效的情况下，逻辑信道的数据不以配置的授权类型1进行传输；在maxPUSCH-Duration配置限制条件失效的情况下，逻辑信道的数据以任何PUSCH的持续时长进行传输。
在一些可能的实施方式中，处理模块510可以不使用令牌桶限制第一逻辑信道的第一数据的传输。
在一些可能的实施方式中，处理模块510可以配置为：在第一业务的第一数据的延迟预算小于第一阈值的情况下，将第一逻辑信道的第一数据优先映射到授权。
在一些可能的实施方式中，在资源分配时或者逻辑信道优先级别排序时将第一逻辑信道的优先级进行临时提升到最高优先级别。
在一些可能的实施方式中，处理模块510可以配置为：将第一逻辑信道映射到第一授权；其中，第一授权专用于或优先用于第一数据。
在一些可能的实施方式中，上述装置500还可以包括接收模块530。接收模块530配置为：接收接入网设备指示的第一授权。
在一些可能的实施方式中，发送模块520还可以配置为：向接入网设备发送辅助信息，其中，辅助信息用于接入网设备确定第一授权。
基于相同的发明构思，本公开实施例还提供一种逻辑信道优先级处理装置。该装置可以设置于接入网设备。图6为本公开实施例中的一种逻辑信道优先级处理装置的结构示意图。如图6所示，该装置600包括发送模块610。发送模块610配置为：向终端设备指示第一授权，其中，第一授权专用于或优先用于具有高调度紧急需求的第一数据。
在一些可能的实施方式中，上述装置600还可以包括接收模块620。接收模块620配置为：接收来自终端设备的辅助信息，其中，辅助信息用于接入网设备确定第一授权。
基于相同的发明构思，本公开实施例还提供一种电子设备。该电子设备可以为上述一个或者多个实施例中的终端设备、接入网设备。图7为本公开实施例中的一种电子设备的结构示意图。如图7所示，电子设备700，采用了通用的计算机硬件，包括处理器701、存储器702、总线703、输入设备704和输 出设备705。
在一些可能的实施方式中，存储器702可以包括以易失性和/或非易失性存储器形式的计算机存储媒体，如只读存储器和/或随机存取存储器。存储器702可以存储操作系统、应用程序、其他程序模块、可执行代码、程序数据、用户数据等。
输入设备704可以用于向电子设备输入命令和信息，输入设备704如键盘或指向设备，如鼠标、轨迹球、触摸板、麦克风、操纵杆、游戏垫、卫星电视天线、扫描仪或类似设备。这些输入设备可以通过总线703连接至处理器701。
输出设备705可以用于电子设备输出信息，除了监视器之外，输出设备705还可以为其他外围输出设各，如扬声器和/或打印设备，这些输出设备也可以通过总线703连接到处理器701。
电子设备可以通过天线706连接到网络中，例如连接到局域网(local area network，LAN)。在联网环境下，控制备中存储的计算机执行指令可以存储在远程存储设备中，而不限于在本地存储。
当电子设备中的处理器701执行存储器702中存储的可执行代码或应用程序时，电子设备以执行以上实施例中的电子设备侧、接入网设备侧的逻辑信道优先级处理方法，具体执行过程参见上述实施例，在此不再赘述。
基于相同的发明构思，本公开实施例还提供一种终端设备，该终端设备与上述一个或者多个实施例中的终端设备一致。在一实施例中，终端设备可以为移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
图8为本公开实施例中的一种终端设备的结构示意图。如图8所示，终端设备800可以包括以下一个或多个组件：处理组件801、存储器802、电源组件803、多媒体组件804、音频组件805、输入/输出(I/O)的接口806、传感器组件807以及通信组件808。
处理组件801通常控制终端设备800的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件801可以包括一个或多个处理器810来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件801可以包括一个或多个模块，便于处理组件801和其他组件之间的交互。例如，处理组件801可以包括多媒体模块，以方便多媒体组件804和处理组件801之间的交互。
存储器802被配置为存储各种类型的数据以支持在终端设备800的操作。这些数据的示例包括用于在终端设备800上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器802可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件803为终端设备800的各种组件提供电力。电源组件803可以包括电源管理系统，一个或多个电源，及其他与为终端设备800生成、管理和分配电力相关联的组件。
多媒体组件804包括在终端设备800和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和 压力。在一些实施例中，多媒体组件804包括一个前置摄像头和/或后置摄像头。当终端设备800处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件805被配置为输出和/或输入音频信号。例如，音频组件805包括一个麦克风(MIC)，当终端设备800处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器802或经由通信组件808发送。在一些实施例中，音频组件805还包括一个扬声器，用于输出音频信号。
I/O接口806为处理组件801和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件807包括一个或多个传感器，用于为终端设备800提供各个方面的状态评估。例如，传感器组件807可以检测到终端设备800的打开/关闭状态，组件的相对定位，例如组件为终端设备800的显示器和小键盘，传感器组件807还可以检测终端设备800或终端设备800一个组件的位置改变，用户与终端设备800接触的存在或不存在，终端设备800方位或加速/减速和终端设备800的温度变化。传感器组件807可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件807还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件807还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件808被配置为便于终端设备800和其他设备之间有线或无线方式的通信。终端设备800可以接入基于通信标准的无线网络，如Wi-Fi，2G或3G或4G或5G或之后的演进版本，或它们的组合。在一个示例性实施例中，通信组件808经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信组件808还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，终端设备800可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
基于相同的发明构思，本公开实施例提供一种网络设备，该网络设备与上述一个或者多个实施例中的接入网设备一致。
图9为本公开实施例中的一种网络设备的结构示意图。如图9所示，网络设备900可以包括处理组件901，其进一步包括一个或多个处理器，以及由存储器902所代表的存储器资源，用于存储可由处理组件901的执行的指令，例如应用程序。存储器902中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件901被配置为执行指令，以执行前述应用在接入网设备上的逻辑信道优先级处理方法。
网络设备900还可以包括一个电源组件903被配置为执行网络设备900的电源管理，一个有线或无线网络接口904被配置为将网络设备900连接到网络，和一个输入输出(I/O)接口905。网络设备900 可以操作基于存储在存储器902的操作系统，例如Windows Server TM，Mac OS XTM，UnixTM，LinuxTM，FreeBSDTM或类似。
基于相同的发明构思，本公开实施例还提供一种计算机可读存储介质，其上存储有计算机可执行指令；当计算机可执行指令被计算机中的处理器执行时，用于执行上述一个或者多个实施例中终端设备侧、接入网设备侧的逻辑信道优先级处理方法。
基于相同的发明构思，本公开实施例还提供一种计算机程序或计算机程序产品，当计算机程序产品在计算机上被执行时，使得计算机实现上述一个或者多个实施例中终端设备侧、接入网设备侧的逻辑信道优先级处理方法。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明的其它实施方案。本公开旨在涵盖本发明的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明的真正范围和精神由下面的权利要求指出。
需要说明的是，由于是基于相同的发明构思，因此在不同实施例中的相同的参数和信令的功能也是相同的，因此不在每一个实施例中都单独进行解释。
应当理解的是，本发明并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。

Claims (20)

  1. 一种逻辑信道优先级处理方法，应用于终端设备，并且包括：
    确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应；
    按照逻辑信道优先级，对所述第一逻辑信道进行逻辑信道优先级处理。
  2. 根据权利要求1所述的方法，其中，所述第一业务为扩展现实XR业务。
  3. 根据权利要求1所述的方法，其中，所述第一数据具有最严格的延迟预算。
  4. 根据权利要求1所述的方法，其中，所述第一数据是由非接入层NAS和/或应用层指示的数据；或
    所述第一数据是剩余数据包延迟预算小于第一阈值的数据。
  5. 根据权利要求1至4中任一项所述的方法，其中，所述第一数据为数据包或者数据包集合。
  6. 根据权利要求1所述的方法，其中，通过所述逻辑信道优先级处理，所述第一数据承载于接入网设备为所述终端设备配置的上行链路授权中的任一授权。
  7. 根据权利要求1所述的方法，其中，所述逻辑信道优先级处理包括放松的逻辑信道选择过程。
  8. 根据权利要求7所述的方法，其中，在所述放松的逻辑信道选择过程中，对所述第一逻辑信道执行以下至少之一：
    在允许配置授权列表配置限制条件失效的情况下，逻辑信道的数据映射到已配置的任一配置授权；
    在允许混合自动重传请求模式配置限制条件失效的情况下，逻辑信道的映射与混合自动重传请求HARQ模式无限制；
    在允许子载波间隔列表配置限制条件失效的情况下，逻辑信道的数据映射到任何已配置的基础参数集合；
    在允许物理优先级索引配置限制条件失效的情况下，逻辑信道的数据映射到任何动态授权；
    在允许服务小区配置限制条件失效的情况下，逻辑信道的数据映射到小区组的任何已配置的服务小区；
    在允许配置授权类型1配置限制条件失效的情况下，逻辑信道的数据不以配置的授权类型1进行传输；
    在最大物理上行共享信道时长配置限制条件失效的情况下，逻辑信道的数据以任何物理上行共享信道PUSCH的持续时长进行传输。
  9. 根据权利要求1所述的方法，其中，在所述按照逻辑信道优先级，对所述第一逻辑信道进行逻辑信道优先级处理的过程中，不使用令牌桶限制所述第一逻辑信道的所述第一数据的传输。
  10. 根据权利要求9所述的方法，其中，在所述不使用令牌桶限制所述第一逻辑信道的所述第一数据的传输的情况下，所述按照逻辑信道优先级，对所述第一逻辑信道进行逻辑信道优先级处理，包括：
    在所述第一业务的所述第一数据的延迟预算小于第一阈值的情况下，将所述第一逻辑信道的所述第一数据优先映射到授权。
  11. 根据权利要求1所述的方法，其中，在资源分配时或者逻辑信道优先级别排序时将所述第一逻辑信道的优先级进行临时提升到最高优先级别。
  12. 根据权利要求1所述的方法，其中，所述方法包括：
    将所述第一逻辑信道映射到第一授权；
    其中，所述第一授权专用于或优先用于所述第一数据。
  13. 根据权利要求12所述的方法，其中，所述方法还包括：
    接收接入网设备指示的所述第一授权。
  14. 根据权利要求13所述的方法，其中，在所述接收接入网设备指示的所述第一授权之前，所述方法还包括：
    向所述接入网设备发送辅助信息，其中，所述辅助信息用于所述接入网设备确定所述第一授权。
  15. 一种逻辑信道优先级处理方法，应用于接入网设备，并且包括：
    向终端设备指示第一授权，其中，所述第一授权专用于或优先用于具有高调度紧急需求的第一数据。
  16. 根据权利要求15所述的方法，其中，在所述向终端设备指示第一授权之前，所述方法还包括：
    接收来自所述终端设备的辅助信息，其中，所述辅助信息用于所述接入网设备确定所述第一授权。
  17. 一种逻辑信道优先级处理装置，设置于终端设备，并且包括：
    处理模块，配置为：确定第一逻辑信道与第一业务中具有高调度紧急需求的第一数据对应；按照逻辑信道优先级，对所述第一逻辑信道进行逻辑信道优先级处理。
  18. 一种逻辑信道优先级处理装置，设置于接入网设备，并且包括：
    发送模块，配置向终端设备指示第一授权，其中，所述第一授权专用于或优先用于具有高调度紧急需求的第一数据。
  19. 一种电子设备，包括：
    存储器，配置为存储计算机可执行指令；
    处理器，配置为执行所述存储器中的所述计算机可执行指令，以实现如权利要求1至14中任一项所述的逻辑信道优先级处理方法，或者如权利要求15或16所述的逻辑信道优先级处理方法。
  20. 一种计算机存储介质，其上存储有计算机可执行指令，其中，所述计算机可执行指令被电子设备中的处理器执行后能够实现如权利要求1至14中任一项所述的逻辑信道优先级处理方法，或者如权利要求15或16中任一项所述的逻辑信道优先级处理方法。
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