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WO2022151213A1 - Procédé de transmission en liaison montante, équipement de communication et support de stockage lisible - Google Patents

Procédé de transmission en liaison montante, équipement de communication et support de stockage lisible Download PDF

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Publication number
WO2022151213A1
WO2022151213A1 PCT/CN2021/071862 CN2021071862W WO2022151213A1 WO 2022151213 A1 WO2022151213 A1 WO 2022151213A1 CN 2021071862 W CN2021071862 W CN 2021071862W WO 2022151213 A1 WO2022151213 A1 WO 2022151213A1
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WIPO (PCT)
Prior art keywords
uplink transmission
information
service
continuous
preset threshold
Prior art date
Application number
PCT/CN2021/071862
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English (en)
Chinese (zh)
Inventor
王和俊
生嘉
Original Assignee
捷开通讯(深圳)有限公司
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 捷开通讯(深圳)有限公司 filed Critical 捷开通讯(深圳)有限公司
Priority to CN202180087810.3A priority Critical patent/CN116671223A/zh
Priority to PCT/CN2021/071862 priority patent/WO2022151213A1/fr
Publication of WO2022151213A1 publication Critical patent/WO2022151213A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present application relates to the field of wireless communication, and in particular, to an uplink transmission method, a communication device and a readable storage medium.
  • Use cases for 5G NR include enhanced mobile broadband (eMBB), massive machine type (mMTC), ultra-reliable and low-latency communications (URLLC).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type
  • URLLC ultra-reliable and low-latency communications
  • new IoT application scenarios such as industrial IoT sensors, intelligent monitoring in smart cities, and wearable devices.
  • wireless sensor devices in the Industrial Internet of Things, (e.g. pressure sensors, humidity sensors, thermometers, motion sensors, accelerometers, actuators, etc.) that, in terms of reliability, performance, device size, cost, battery life, etc.,
  • the requirements are lower than URLLC/eMBB but higher than LPWAN (ie LTE-M/NB-IoT).
  • Such/sensors can refer to the 3GPP Architecture Group's definition of the Large Scale Industrial Wireless Sensor Network (IWSN) use case in 3GPP TR 22.804 [1].
  • Video Surveillance Equipment in Smart Cities 3GPP TR 22.804 describes smart city use cases and their requirements.
  • the smart city vertical covers data collection and processing to more efficiently monitor and control city resources and provide services to city residents.
  • Deploying surveillance cameras is an essential part of not only smart cities, but factories and industries.
  • Wearable device use cases include smart watches, wristbands, eHealth-related devices, and medical monitoring devices, among others.
  • Industrial Internet of Things is the continuous integration of various acquisition and control sensors or controllers with sensing and monitoring capabilities, as well as mobile communication, intelligent analysis and other technologies into all aspects of the industrial production process, thereby greatly improving manufacturing. efficiency, improve product quality, reduce product cost and resource consumption, and ultimately achieve a new stage of upgrading traditional industries to intelligence.
  • the application of the Industrial Internet of Things has the characteristics of real-time, automation, embedded (software), security, and information interoperability.
  • Time Sensitive Network is a set of standards (IEEE802.1QTSN standard) developed by the Institute of Electrical and Electronics Engineers (IEEE, Institute of Electrical and Electronics Engineers) to define time-sensitive data on wired Ethernet transmission and precise timing reference (IEEE802.3Ethernet standard).
  • the precise reference time comes from a central clock source called “Master” (GM, GrandMaster) and is distributed among nodes through a series of relays based on the Precision Time Protocol (PTP, Precision Time Protocol, IEEE 1588 Precision Time Protocol).
  • the NR system acts as a "black box” in the TSN network, as shown in Figure 1. In this way, TSN provides a precise time reference for NR systems.
  • the NR system is essentially what IEEE calls a "Boundary Clock” (BC, Boundary Clock), which acts as the master clock for all connected nodes (represented by a dashed box), and the NR system is able to distribute the precise time of TSN distribution to all User Equipment (UE, UserEquipment).
  • BC Boundary Clock
  • UE User Equipment
  • time-to-live refers to the time for which a communication service may not meet application requirements before it is considered unavailable.
  • the system is considered unavailable if the expected message is not received within the specified time (at least the sum of the maximum allowed end-to-end delay and time-to-live).
  • time-to-live refers to the available time for a communication service to recover from a failure, and in a sense it represents the difference between the reliability of the network and the availability of the service.
  • the transmission failure at time t2 can be tolerated.
  • the packet loss at t2 is not counted as "packet loss", and the transmission at t2 can even be skipped.
  • the present application provides an uplink transmission method, which is applied to the user equipment side, and is characterized in that the method includes:
  • the continuous failure information obtained by performing statistics on continuous failures of uplink transmission of the first service includes:
  • the continuous failure of the uplink transmission of the first service is counted using the first timer or the first counter.
  • using the first timer or the first counter to count the continuous failure of the uplink transmission of the first service includes:
  • the judging whether the uplink transmission fails includes:
  • the acknowledgment message of the uplink transmission from the base station is not received within a preset time period.
  • the method before the continuous failure information of the uplink transmission of the first service is obtained by collecting statistics, the method further includes:
  • the configuration information of the first timer or the configuration information of the first counter is received from the base station.
  • the configuration information of the first timer includes the initial value and/or timing mode of the first timer; the configuration information of the first counter includes the initial value, counting mode and At least one of counting steps.
  • the continuous failure information includes the number of times of the continuous failed uplink transmission, and the preset threshold is the maximum number of the continuous failed uplink transmission;
  • the continuous failure information includes the number of transmission intervals of the consecutively failed uplink transmissions, and the preset threshold is the maximum transmission interval of the consecutively failed uplink transmissions; or
  • the continuous failure information includes the duration of the continuous failed uplink transmission, and the preset threshold is the maximum duration of the continuous failed uplink transmission.
  • increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • the priority information of the subsequent at least one uplink transmission of the first service is increased.
  • the preset threshold is less than or equal to the threshold corresponding to the survival time.
  • the continuous failure information includes the remaining times of the continuous failures acceptable to the first service, and the preset threshold is the minimum value of the remaining times;
  • the continuous failure information includes the number of remaining transmission intervals of the continuous failure acceptable to the first service, and the preset threshold is the minimum value of the number of remaining transmission intervals; or
  • the continuous failure information includes the remaining duration of the continuous failure acceptable to the first service, and the preset threshold is the minimum value of the remaining duration.
  • increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • the priority information of the subsequent at least one uplink transmission of the first service is increased.
  • the preset threshold is greater than or equal to the threshold corresponding to the survival time.
  • the method further includes:
  • the increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • Scheduling information for subsequent at least one subsequent uplink transmission of the first service is received from the base station, where the scheduling information includes increased priority information.
  • the method before comparing the continuous failure information with a preset threshold, the method further includes:
  • the preset threshold is received from the base station.
  • the base station before the receiving the preset threshold from the base station further includes:
  • the time-to-live is sent to the base station.
  • the method further comprises:
  • the priority information of the subsequent at least one uplink transmission of the first service is determined according to the current continuous failure information.
  • the priority information includes priority information in QoS and/or logical channel priority constraint information.
  • the present application also provides an uplink transmission method, the method is applied to the base station side, and the method includes:
  • the continuous failure information is a statistical result obtained by performing statistics on continuous failures of uplink transmission of the first service
  • the priority information of the subsequent at least one uplink transmission of the first service is increased.
  • the obtaining continuous failure information includes:
  • the continuous failure information is obtained by performing statistics on continuous failures of uplink transmission of the first service.
  • the increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • the method before comparing the continuous failure information with a preset threshold, the method further includes:
  • the preset threshold is determined according to the survival time.
  • the obtaining the survival time includes:
  • the method further includes:
  • the preset threshold is 1, and the continuous failure information is compared with a preset threshold,
  • increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • the scheduling information of the subsequent at least one uplink transmission of the first service is sent to the user equipment, where the scheduling information includes the increased priority information.
  • the present application also provides a communication device, comprising: a processor and a communication circuit, wherein the processor is connected to the communication circuit;
  • the processor is adapted to execute instructions to implement a method as described above.
  • the present application also provides a communication device, comprising: a processor and a communication circuit, wherein the processor is connected to the communication circuit;
  • the processor is adapted to execute instructions to implement a method as described above.
  • the present application also provides a readable storage medium storing instructions, and when the instructions are executed, the above method is implemented.
  • the beneficial effect of the present application is that the uplink transmission result is detected and the uplink transmission failure is counted, and the priority of the subsequent uplink transmission is adjusted according to the statistical result, thereby ensuring the success of the subsequent uplink transmission, avoiding the service from entering the shutdown state, thereby improving the overall network performance .
  • Fig. 1 is the schematic diagram of the NR system acting as a black box in the TSN network in the prior art
  • Fig. 2 is the schematic diagram of allowing transmission failure within the lifetime in the prior art
  • FIG. 3 is a schematic diagram of the system being unavailable due to transmission failure outside the time-to-live in the prior art
  • FIG. 4 is a schematic structural diagram of an embodiment of the wireless communication network of the present application.
  • FIG. 5 is a schematic flowchart of a first embodiment of an uplink transmission method of the present application executed on a user equipment end;
  • FIG. 6 is a schematic flowchart of step S140 in another embodiment of the uplink transmission method of the present application.
  • FIG. 7 is a schematic flowchart of step S120 in another embodiment of the uplink transmission method of the present application.
  • FIG. 8 is a schematic flowchart of another embodiment of the uplink transmission method of the present application.
  • FIG. 9 is a schematic flowchart of a first embodiment of the uplink transmission method of the present application executed on the base station side;
  • FIG. 10 is a schematic flowchart of step S410 in another embodiment of the uplink transmission method of the present application.
  • step S411 is a schematic flowchart of step S411 in another embodiment of the uplink transmission method of the present application.
  • FIG. 13 is a schematic diagram of the counter-based continuous uplink transmission failure statistics of scheme 2;
  • FIG. 14 is a schematic diagram of a nack feedback indicating that uplink data transmission fails in the second solution
  • FIG. 15 is a schematic diagram of the ack feedback indication to stop the counter in the second solution
  • 16 is a schematic diagram of a timer timeout indicating a transmission failure in the second solution
  • FIG. 17 is a schematic diagram of ack indicating that the transmission is successful in scheme 2;
  • FIG. 19 is a schematic diagram of uplink transmission based on base station scheduling in Scheme 4.
  • FIG. 20 is a schematic diagram of uplink transmission based on base station scheduling in Scheme 5;
  • 21 is a schematic diagram of solution seven based on the continuous uplink transmission failure statistics results to solve the uplink transmission conflict;
  • FIG. 22 is a schematic diagram of establishing the mapping relationship between the continuous uplink transmission failure statistics result and the uplink transmission priority in Scheme 8;
  • Embodiment 23 is a schematic structural diagram of Embodiment 1 of a communication device of the present application.
  • FIG. 24 is a schematic structural diagram of Embodiment 2 of a communication device of the present application.
  • FIG. 25 is a schematic structural diagram of an embodiment of a readable storage medium of the present application.
  • User equipment in this application may include or represent any portable computing device used for communication.
  • Examples of user equipment that may be used in certain embodiments of the described devices, methods and systems may be wired or wireless devices such as mobile devices, mobile phones, terminals, smart phones, portable computing devices, such as laptop computers , handheld devices, tablets, tablet computers, netbooks, personal digital assistants, music players, and other computing devices capable of wired or wireless communications.
  • FIG. 2 is a wireless communication of multiple network nodes 104a-104m (eg, base stations gNB) including core network 102 (or telecommunications infrastructure) with cells 106a-106m serving multiple wireless communication units 108a-108e (eg, UEs)
  • a schematic diagram of a system or network 100 .
  • a plurality of network nodes 104a-104m are connected to the core network 102 by links. These links may be wired or wireless (eg, radio communication links, fiber optics, etc.).
  • Core network 102 may include multiple core network nodes, network entities, application servers, or any other network or computing device that may communicate with one or more radio access networks including multiple network nodes 104a-104m.
  • network nodes 104a-104m are illustrated as base stations, which may be gNBs in a 5G network, for example but not limited to.
  • Each of the plurality of network nodes 104a-104m (eg, base stations) has a footprint, which is schematically represented in FIG. 2 for serving one or more user equipment for simplicity and by way of example and not limitation
  • UEs 108a-108e can receive services from wireless communication system 100, such as voice, video, audio, or other communication services.
  • the wireless communication system or network 100 may include or represent any one or more communication networks used for communication between UEs 108a-108e and other devices, content sources, or servers connected to the wireless communication system or network 100.
  • the core network 102 may also include or represent one or more communication networks, one or more network nodes, entities, elements, application servers, servers, base stations or other that are linked, coupled or connected to form the wireless communication system or network 100 Network equipment. Links or couplings between network nodes may be wired or wireless (eg, radio communication links, fiber optics, etc.).
  • the wireless communication system or network 100 and core network 102 may include any suitable combination of a core network and a wireless access network comprising network nodes or entities, base stations, access points, etc. that enable UEs 108a-108e, wireless communication system 100 and Communication between network nodes 104a-104m of core network 102, content sources, and/or other devices connected to system or network 100 is enabled.
  • An example of a wireless communication network 100 may be at least one communication network or a combination thereof including, but not limited to, one or more wired and/or wireless telecommunications networks, a core network(s), radio access network(s), computer network(s), data communication network(s), internet, telephone network, wireless network, such as WiMAX based on the IEEE 802.11 standard by way of example only , WLAN and/or Wi-Fi network, or Internet Protocol (Internet Protocol, IP) network, packet-switched network or enhanced packet-switched network, IP Multimedia Subsystem (IP Multimedia Subsystem, IMS) network or based on wireless, cellular or satellite Technology communication networks, such as mobile networks, Global System for Mobile Communications (GSM), GPRS networks, Wideband Code Division Multiple Access (W-CDMA), CDMA2000 or LTE/Advanced LTE communication network or any 2nd, 3rd, 4th or 5th generation and beyond type of communication network etc.
  • GSM Global System for Mobile Communications
  • W-CDMA Wideband Code Division Multiple Access
  • the wireless communication system 100 may be, by way of example only and without limitation, using cyclic prefix orthogonal frequency division multiplexing (CP- 5G communication network using OFDM) technology.
  • the downlink may include one or more communication channels for transmitting data from one or more gNBs 104a-104m to one or more UEs 108a-108e.
  • a downlink channel is a communication channel used to transmit data, eg, from gNB 104a to UE 108a.
  • each frame may be 10ms in length
  • each frame may be divided into multiple subframes.
  • each frame may include 10 subframes of equal length, wherein each subframe consists of multiple time slots (eg, 2 time slots) for transmitting data.
  • time slots e.g, 2 time slots
  • a subframe may include several additional special fields or OFDM symbols, which may include, by way of example only, downlink synchronization symbols, broadcast symbols and/or uplink reference symbols.
  • 3GP Third Generation Partnership Project, the third generation partnership program.
  • 5GC 5GCore, 5G core network.
  • 5GS 5G System, 5G system.
  • BC Boundary Clock, boundary clock.
  • BI Backoff Indicator, backoff indicator.
  • CNC Central network controller, the central network controller.
  • E2E End-to-End, end-to-end.
  • E-UTRAN Evolved UMTS Terrestrial Radio Access Network, evolved UMTS terrestrial radio access network.
  • eMBB Enhanced Mobile Broadband, enhanced mobile broadband.
  • IIoT Industrial Internet of Things, Industrial Internet of Things.
  • LCP Logical Channel Priority, logical channel priority.
  • LPWA Low-Power Wide-Area, low power wide area.
  • LTE Long Term Evolution, Long Term Evolution.
  • LTE-M LTE-Machine to Machine, LTE machine-to-machine communication.
  • MDBV Maximum Data Burst Volume, the maximum data burst volume.
  • mMTC Massive Machine Type Communication, large-scale machine communication.
  • NB-IoT Narrow Band Internet of Things, Narrow Band Internet of Things.
  • PCF Policy Control Function, policy control function.
  • PDB PacketDelayBudget, packet delay budget.
  • QoS Quality of Service, quality of service.
  • RadioAccessNetwork wireless access network.
  • RRC Radio Resource Control, radio resource control.
  • SMF Session Management Function, session management function.
  • TSC Time Sensitive Communication, time sensitive communication.
  • TSCAI Time Sensitive Communication Assistance Information
  • TSC auxiliary information Time Sensitive Communication Assistance Information
  • TSN Time Sensitive Network, time-sensitive network.
  • UE User Equipment, user equipment.
  • UMTS Universal Mobile Telecommunications System, Universal Mobile Telecommunications System.
  • URLLC Ultra-relaible and Low Latency Communication, ultra-reliable and low-latency communication.
  • gNB 5G base station.
  • MsgA Message A, pilot and payload transmission in a random access procedure of the two-step random access type.
  • MsgB message B, the response to message A in the two-step random access process, which may include a contention resolution response, a backoff indication and a backoff indication.
  • the present application provides an uplink transmission method, the method is applied to the user equipment side, and the method includes:
  • Step S100 collects statistics on continuous failures of uplink transmission of the first service to obtain continuous failure information.
  • the first service includes a service mounted or run when the user equipment runs, activates, or performs data transmission.
  • the service types of this service may be various, which is not limited in the present invention.
  • the statistics of continuous failures can be set by using timers and counters.
  • the execution subject for performing statistics on continuous failures of uplink transmission may be performed by the user equipment and reported to the base station, or the base station side may count the continuous failed uplink transmissions and deliver the statistical results to the base station.
  • the statistical result is continuous failure information.
  • the subject who specifically performs the statistics can be determined by the base station, high-level signaling or a predetermined protocol, which is not limited in the present invention.
  • a counter can be introduced to count the number of consecutive uplink transmission failures, and when a continuous uplink transmission failure is detected, the value of the counter is incremented by one; or a timer can be introduced to count the continuous uplink transmission failures, when a continuous uplink transmission failure is detected When the upstream transmission fails, the timer continues to count and so on.
  • Step S110 compares the continuous failure information with a preset threshold, where the preset threshold is determined according to the lifetime of the first service.
  • the preset threshold may be set by the user equipment, or may be set by the base station. If set by the user equipment, the user equipment may upload the preset threshold to the base station, and if the base station configures the preset threshold, the base station may deliver the preset threshold to the user equipment.
  • the preset threshold is determined according to the lifetime of the first service.
  • the preset threshold may be a value greater than, less than or equal to (also greater than or equal to, less than or equal to) the lifetime, and may also be configured according to actual scenarios and actual needs.
  • the time-to-live may be delivered by the base station to the user equipment, or set by the user equipment and reported to the base station, or may be determined by the base station according to the information of the user equipment, or acquired by the base station from the core network, etc. .
  • the time-to-live may be carried by the UE auxiliary information TSCAI, and the interpretation details of the TSCAI and the steps in this embodiment can refer to Schemes 1 to 8.
  • the preset threshold is the minimum value of the remaining times; if the continuous failure information includes the continuous failures acceptable to the first service The preset threshold is the minimum value of the remaining transmission intervals; or the continuous failure information includes the remaining duration of the continuous failure acceptable to the first service, and the preset threshold is the remaining transmission interval. Minimum duration. Step S120, if the continuous failure information reaches the preset threshold, increase the priority information of the subsequent at least one uplink transmission of the first service.
  • Adjusting the priority information includes adjusting the priority of subsequent uplink transmissions, LCP constraints and other uplink transmission control information. According to changes in protocols, formats, and actual scenarios, the means of adjusting the priority information may also change, which is not limited here. .
  • Step S130 performs at least one subsequent uplink transmission of the first service according to the adjusted priority information.
  • the base station needs to instruct the user equipment through downlink transmission according to the adjusted relevant information, so that the user equipment performs at least one subsequent uplink transmission corresponding to the first service according to the adjusted priority information. If it is self-adjusted by the user base station, uplink transmission can be performed directly according to the adjusted priority information.
  • the first service may be one or a plurality of services.
  • the uplink transmission failure is detected and the continuous uplink transmission failure information is counted, and when the continuous uplink transmission failure statistics result reaches the preset threshold, the subsequent (next or subsequent several times) uplink transmission
  • Uplink transmission control information such as transmission priority and LCP constraints are adjusted to improve the priority of subsequent uplink transmissions, ensuring that the next or subsequent uplink transmissions can be successful, avoiding service downtime, and effectively improving overall network performance.
  • the continuous failure information obtained by performing statistics on the continuous failures of the uplink transmission of the first service in step S100 includes:
  • Step S140 uses a first timer or a first counter to count continuous failures of uplink transmission of the first service.
  • the present invention is designed to use timers or counters for continuous uplink transmission failure statistics.
  • the timers or counters can be set by the user equipment or by the base station, or even by external access.
  • the network or external access equipment is used for setting, which is not limited in the present invention.
  • Schemes II and III please refer to Schemes II and III.
  • the use of the first timer or the first counter in step S140 to count the continuous failures of the uplink transmission of the first service includes:
  • Step S141 judges whether the uplink transmission fails
  • step S142 fails, continue to use the first timer to count or use the first counter to count, otherwise reset the first timer or the first counter.
  • the execution subject of the judgment failure may be the base station or the user equipment, and the execution subject of the judgment step and the setting subject of the timer and the counter may be different.
  • the step S141 judging whether the uplink transmission fails includes:
  • the acknowledgment message of the uplink transmission from the base station is not received within a preset time period.
  • This setting can be used as a failure condition for determining uplink transmission, and then a counter or timer can be started.
  • step S100 further includes:
  • Step S150 receives configuration information of the first timer or configuration information of the first counter from the base station.
  • the configuration information may be sent by the base station to the user equipment, or may be set by the user equipment according to the actual network.
  • the configuration information of the first timer includes the initial value and/or timing mode of the first timer; the configuration information of the first counter includes the initial value, counting mode and At least one of counting steps.
  • the continuous failure information includes the number of times of the continuous failed uplink transmission, and the preset threshold is the maximum number of the continuous failed uplink transmission;
  • the continuous failure information includes the number of transmission intervals of the consecutively failed uplink transmissions, and the preset threshold is the maximum transmission interval of the consecutively failed uplink transmissions; or
  • the continuous failure information includes the duration of the continuous failed uplink transmission, and the preset threshold is the maximum duration of the continuous failed uplink transmission.
  • step S120 if the continuous failure information reaches the preset threshold, increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • Step S121 if the continuous failure information is greater than or equal to the preset threshold, increase the priority information of the subsequent at least one uplink transmission of the first service.
  • the preset threshold is less than or equal to the threshold corresponding to the survival time.
  • the continuous failure information includes the remaining times of the continuous failures acceptable to the first service, and the preset threshold is the minimum value of the remaining times;
  • the continuous failure information includes the number of remaining transmission intervals of the continuous failure acceptable to the first service, and the preset threshold is the minimum value of the number of remaining transmission intervals; or
  • the continuous failure information includes the remaining duration of the continuous failure acceptable to the first service, and the preset threshold is the minimum value of the remaining duration.
  • step S120 if the continuous failure information reaches the preset threshold, increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • Step S122 if the continuous failure information is less than or equal to the preset threshold, increase the priority information of the subsequent at least one uplink transmission of the first service.
  • the preset threshold is greater than or equal to the threshold corresponding to the survival time.
  • the step S110 further includes:
  • Step S111 If the continuous failure information does not reach the preset threshold, reduce the priority information of the subsequent at least one uplink transmission of the first service or skip the subsequent at least one uplink transmission of the first service transmission.
  • radio resource utilization can be improved and overall network performance can be improved.
  • step S120 increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • Step S123 reports the continuous failure information to the base station
  • Step S124 receives scheduling information for at least one subsequent uplink transmission of the first service from the base station, where the scheduling information includes the increased priority information.
  • the user equipment may perform a statistical process, and report the continuous failure information obtained by statistics to the base station, and the base station will perform scheduling of priority adjustment.
  • step S110 before comparing the continuous failure information with a preset threshold in step S110, it further includes:
  • Step S110A receives the preset threshold from the base station.
  • the step before the step of receiving the preset threshold from the base station in step S110A, the step further includes:
  • Step S110B sends the time-to-live to the base station.
  • the uplink transmission method provided by this application further includes:
  • Step S200 obtains the mapping relationship between the continuous failure information and the priority information of the uplink transmission
  • Step S300 determines priority information of subsequent at least one uplink transmission of the first service according to the current continuous failure information.
  • the priority information includes priority information in QoS and/or logical channel priority constraint information.
  • the present application also provides an uplink transmission method.
  • the method is applied to the base station side. As shown in FIG. 9 , the method includes:
  • Step S400 obtains continuous failure information, where the continuous failure information is a statistical result obtained by performing statistics on continuous failures of uplink transmission of the first service;
  • Step S410 compares the continuous failure information with a preset threshold, where the preset threshold is determined according to the lifetime of the first service;
  • Step S420 if the continuous failure information reaches the preset threshold, increase the priority information of the subsequent at least one uplink transmission of the first service.
  • the obtaining continuous failure information includes:
  • the continuous failure information is obtained by performing statistics on continuous failures of uplink transmission of the first service.
  • step S420 increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • Step S421 sends scheduling information of subsequent at least one uplink transmission of the first service to the user equipment, where the scheduling information includes the increased priority information.
  • the steps before comparing the continuous failure information with the preset threshold in step S410 include:
  • Step S411 obtains the survival time
  • Step S412 determines the preset threshold according to the survival time.
  • obtaining the survival time in step S411 includes:
  • Step S411A receiving the time-to-live from the user equipment
  • Step S411B determines the survival time by itself according to the information of the user equipment or obtains the survival time from the core network.
  • step S410 after the step of comparing the continuous failure information with a preset threshold in step S410, it further includes:
  • Step S413 If the continuous failure information does not reach the preset threshold, reduce the priority information of the subsequent at least one uplink transmission of the first service or skip the subsequent at least one uplink transmission of the first service. transmission.
  • the preset threshold is 1, and the continuous failure information is compared with the preset threshold,
  • step S420 if the continuous failure information reaches the preset threshold, increasing the priority information of the subsequent at least one uplink transmission of the first service includes:
  • Step S422 if the uplink transmission fails to receive, send scheduling information of at least one subsequent uplink transmission of the first service to the user equipment, where the scheduling information includes the increased priority information.
  • the UE supporting Survival Time sends the UE auxiliary information TSCAI to the gNB, where the TSCAI includes auxiliary information such as PDB (Packet Delay Budget), and the gNB sends the threshold value Thr to.
  • the UE detects and counts continuous uplink data transmission failures during the uplink transmission process. When the statistical result is greater than or equal to the preset threshold, the UE adjusts the priority of the next uplink transmission or the LCH constraint information to ensure the next uplink transmission. It can be successfully received by the gNB to prevent the service from entering a shutdown state.
  • the UE supporting Survival Time sends the UE auxiliary information TSCAI to the gNB;
  • the TSCAI includes Survival Time (Survival Time), Period (Periodicity), Packet Delay Budget (PDB, Packet Delay Budget), etc.
  • the time-to-live can be expressed as the number of consecutive packet loss (or the number of consecutive uplink transmission failures, or the number of transmission intervals for consecutive uplink transmission failures), or the continuous transmission failure duration, etc.;
  • the gNB sends configuration information to the UE, where the configuration information includes a threshold value Thr;
  • the gNB receives the TSCAI information sent by the UE, and calculates the threshold value according to the TSCAI information;
  • the threshold value represents the maximum number of continuous uplink transmission failures or duration that the service can tolerate.
  • the UE performs uplink transmission
  • the UE uses preset uplink resources and performs uplink transmission according to the preset priority and scheduling information;
  • the UE detects whether uplink transmission fails, collects statistics on continuous uplink transmission failure information, and determines whether the statistical result reaches a preset threshold;
  • the continuous uplink transmission failure statistics can be statistics of the number of times of continuous uplink transmission failures, the number of transmission intervals of continuous uplink transmission failures, or the duration of continuous uplink transmission failures;
  • a counter can be introduced to count the number of consecutive uplink transmission failures, and when a continuous uplink transmission failure is detected, the value of the counter is incremented by one;
  • the UE judges whether the uplink transmission is successful, according to the feedback information sent by the gNB, when the UE receives the positive feedback information ack sent by the gNB, the uplink transmission is successful, otherwise, if the UE receives the negative feedback information nack, the upstream transmission fails; or
  • the UE introduces a timer for judging whether the uplink transmission fails.
  • the UE starts the timer every time the uplink transmission is performed, or after the uplink transmission is completed.
  • the ack feedback information indicating that the uplink transmission is successful it means that the uplink transmission fails;
  • the UE If the UE detects that this uplink transmission is successful, it stops the continuous uplink transmission failure statistics, or stops the continuous uplink transmission failure statistics and resets the statistical information, that is, the counter used to count the continuous uplink transmission failures stops counting, or will be used for statistics.
  • the timer for continuous uplink transmission failure stops counting;
  • the statistics of the uplink transmission failure statistics are represented by the margin of continuous transmission failures that can be tolerated by the service, then each time a continuous uplink transmission failure is detected, a counter used to count the continuous uplink transmission failure information Or the timer is decremented, the value of the counter is decremented by one, and the timer continues to decrement;
  • the UE continues to perform uplink transmission, detects and counts continuous uplink transmission failure information, and judges whether the statistical result reaches the preset threshold;
  • the UE continues to perform uplink transmission using the original configuration information such as priority and LCP constraints, and detects whether the uplink transmission is successful, and counts the continuous uplink transmission failures. information;
  • the UE adjusts the priority or LCP constraint of the next uplink transmission
  • the UE compares the continuous uplink transmission failure statistical result with the preset threshold, and if the continuous uplink transmission failure statistical result is greater than or equal to the preset threshold, the next or subsequent uplink transmissions are Adjust the priority and LCP constraints, etc., to increase the priority of the next or subsequent uplink transmissions to ensure successful transmission;
  • the next or subsequent The priority of several uplink transmissions, LCP constraints and other information can be adjusted to improve the priority of the next or subsequent uplink transmissions to ensure that the transmission is successful;
  • the UE performs the next or several subsequent uplink transmissions according to the adjusted uplink transmission priority.
  • the UE performs uplink transmission according to the adjusted uplink transmission priority, LCP constraints and other scheduling information;
  • the UE starts continuous uplink transmission statistics, that is, the statistics counter or the statistics timer starts counting or timing;
  • This solution mainly describes the case of using counters to perform continuous uplink transmission failure statistics.
  • the UE detects that the uplink transmission fails, it updates the value of the counter, and compares the value of the counter with the preset threshold to determine whether the value of the counter reaches the preset threshold, and if so, adjusts the priority of subsequent uplink transmission. level information, and use the adjusted uplink transmission control information for transmission in subsequent (next or subsequent) uplink transmissions, and restart counting for continuous uplink transmission failure statistics when the next uplink transmission is performed; otherwise, if If it is not reached, continue the subsequent uplink transmission. If the UE detects that the uplink transmission is successful, it stops the counter count, resets the counter value, and restarts the count in the next uplink transmission to perform continuous uplink transmission failure statistics.
  • the uplink transmission failure detection may be based on the feedback information sent by the gNB and/or a dedicated timer. After the UE performs uplink transmission, if it does not receive the feedback information from the gNB or receives the nack information within a specified time, the Upstream transmission failed.
  • S0. UE sends UE assistance information TSCAI to gNB;
  • the UE auxiliary information TSCAI contains the survival time expressed by the number of consecutive uplink transmission failures (ie packet loss), such as the number of consecutive uplink transmission failures N, or the time occupied by the continuous uplink transmission failure in periodic transmission N*transmission interval, etc.;
  • gNB sends the configuration information including the preset threshold Thr to the UE;
  • the threshold value indicates the maximum number of consecutive uplink transmission failures that the UE can tolerate, which can be expressed as the number of consecutive uplink transmission failures N, or the time N*transmission interval occupied by the number of consecutive uplink transmission failures;
  • the configuration information may include the initial value Ninit of the counter, the threshold value Nthr, the increase or decrease span Sstep, etc.;
  • the UE performs uplink transmission
  • the upstream transmission failure counter Counter has started to count and does not reach the preset threshold, then continue to count according to the detection result; otherwise, the counter value is reset, that is, reset to zero or use the initial value in the configuration information obtained from the gNB. The value is assigned to it, and the counter is used to start counting, and the continuous uplink transmission failure statistics process is performed;
  • the UE detects whether uplink transmission fails, collects statistics on continuous uplink transmission failure information, and determines whether the statistical result reaches a preset threshold;
  • the UE detects whether the uplink transmission fails according to the feedback information of the gNB;
  • Step 4 in Figure 14 and Step 4 in Figure 15 If the UE receives the nack feedback indicating that the uplink transmission fails to be sent by the gNB, as shown in Step 4 in Figure 14 and Step 4 in Figure 15, then the uplink transmission fails, and the UE updates the continuous uplink transmission failure statistics;
  • the UE receives the ack feedback that the gNB indicates that the uplink transmission is successfully sent, as shown in step 7 in Figure 15, the uplink transmission is successful, and the UE stops counting continuous uplink transmission failures, that is, stops Counter counting;
  • the UE judges whether the uplink transmission fails according to the timer used to detect whether the uplink transmission fails, as shown in Figure 16 and Figure 17;
  • the UE starts the dedicated timer each time an uplink transmits
  • step 5 in FIG. 16 and step 5 in FIG. 17 stop the timing and update the continuous uplink transmission failure statistics
  • the feedback information is a nack, the uplink transmission fails, and the continuous uplink transmission failure statistics information is updated;
  • the initial value of Counter can be 0 or 1, or the corresponding value Ninit in the configuration information
  • the counter can be counted in an incremental manner, and when a continuous uplink transmission failure is detected, the value of Counter is increased by one, or the count span Sstep value in the configuration information is increased;
  • the counter can be counted in a decrementing manner.
  • the value of Counter is decremented by one, or the value of the count span Sstep in the configuration information is subtracted, and the statistical result reaches the predetermined value.
  • Setting a threshold refers to when the counter is less than or equal to 0 or a preset threshold;
  • the preset threshold Nthr here can be a constant specified in the protocol, such as 0;
  • the UE adjusts the priority or LCP constraint of the next uplink transmission
  • the UE performs the next uplink transmission according to the adjusted uplink transmission priority.
  • Figure 16 Timer timeout indicates transmission failure
  • Figure 17 ack indicates successful transmission.
  • a timer is used to count the failure of continuous uplink transmission, and the specific operation is similar to that of scheme 2.
  • the UE detects that the uplink transmission is successful, it stops the timing, and does not adjust the priority information of the subsequent uplink transmission, and restarts the timing in the next uplink transmission; otherwise, if the UE detects that the uplink transmission fails, the timing is not interrupted.
  • the timer counts, and detects whether the value of the timer reaches the preset threshold. If the preset threshold is reached, the uplink transmission control information such as the priority of the subsequent uplink transmission and the LCP constraint are adjusted to improve the subsequent uplink transmission. priority.
  • S0. UE sends UE assistance information TSCAI to gNB;
  • the UE auxiliary information TSCAI includes survival time, PDB, etc. represented by the length of the time period;
  • gNB sends configuration information including preset threshold to UE;
  • the threshold value indicates the duration of the maximum continuous uplink transmission failure that the UE can tolerate
  • the configuration information may include the initial value Tinit, the threshold value Tthr, etc. of the timer;
  • the UE performs uplink transmission
  • Timer Timer has started to count and does not reach the preset threshold, continue to count according to the detection result; otherwise, the timer is reset, i.e. cleared or the configuration obtained from the gNB is used The initial value in the information is copied, the timer is started to start timing, and the continuous uplink transmission failure statistics process is performed;
  • the UE detects whether uplink transmission fails, collects statistics on continuous uplink transmission failure information, and determines whether the statistical result reaches a preset threshold;
  • step 3 of the second scheme The continuous uplink transmission failure detection process is similar to step 3 of the second scheme. If the ack feedback information is received, the timer stops timing; otherwise, the nack feedback information or the timer for detecting packet loss is timed out, indicating that the uplink transmission If it fails, the timer does not stop timing;
  • the initial value of Timer can be 0 or 1, or the corresponding value Tinit in the configuration information
  • timer Timer can be timed in an incrementing manner or a decrementing manner
  • Timer is timed in an incremental manner, when the value of the Timer is greater than or equal to a preset threshold Tthr, it means that the continuous uplink transmission failure statistics result reaches the preset threshold; or
  • the Timer is timed in a decreasing manner, when the value of the Timer is less than or equal to a preset threshold, or less than or equal to 0 or 1, the continuous uplink transmission failure statistics result reaches the preset value threshold;
  • the preset threshold value may be the initial value of the Timer
  • the UE continues to perform uplink transmission, detects and counts continuous uplink transmission failure information, and judges whether the statistical result reaches the preset threshold;
  • the UE adjusts the configuration information such as the priority of the next uplink transmission or the LCP constraint;
  • the UE performs the next uplink transmission according to the adjusted uplink transmission priority and other configuration information.
  • This scheme is based on the previous scheme, the difference is that in this scheme, when the UE detects that the continuous uplink transmission failure statistical result reaches the preset threshold, the UE reports the statistical result to the gNB, and the gNB schedules the next uplink transmission, including the allocation of uplink transmission resources UL Grant, scheduling information, priority information, LCP constraints and other information. The UE performs the next uplink transmission according to the scheduling information of the gNB.
  • Steps 1 to 5 of this scheme are the same as those of the previous scheme, and may be any one of the above-mentioned schemes or any combination of the various steps of the above-mentioned scheme.
  • the UE reports the continuous uplink transmission failure statistics results to the base station
  • the base station sends the control information of the next or subsequent uplink transmissions of the UE to the UE;
  • the uplink transmission control information can be uplink transmission resources, such as UL Grant, or priority information, scheduling information, LCP constraints, etc.;
  • the UE performs the next or several subsequent uplink transmissions according to the uplink transmission control information issued by the gNB.
  • the UE does not need to count the continuous uplink transmission failure information. As long as an uplink transmission failure is detected, it needs to adjust the priority of the next transmission.
  • the adjustment can be adjusted by the UE itself, or by the gNB through uplink transmission.
  • the control information adjusts the UE's next transmission.
  • the packet loss detection can be judged by the timer timeout or indicated by the feedback sent by the gNB:
  • the timer starts timing. If the timer expires and the ack feedback information sent by the gNB is not received, the uplink transmission fails this time; or
  • the UE can autonomously adjust the priority and LCP constraint information of the next or subsequent uplink transmissions, or report it to the gNB, and the uplink transmission control information issued by the gNB indicates the next time or Scheduling information such as priority adjustment information for subsequent uplink transmissions; or
  • the gNB detects whether this transmission is successful. When the gNB does not receive the uplink transmission sent by the UE within the receiving window (or before the timer on the gNB side expires), the gNB directly sends the uplink transmission control information to the UE.
  • the scheduling information such as the priority of the subsequent uplink transmission is adjusted, and the uplink transmission control information may include nack feedback, indicating that this transmission fails.
  • This plan mainly supplements the above plans:
  • the control information of the next uplink transmission can be included in the uplink transmission of the UE, which can include the time-frequency resources of the next transmission, etc., instructing the gNB to receive the next uplink transmission in the designated receiving window, if the gNB does not receive When the window receives the next uplink transmission, the next uplink transmission times out or fails to lose packets;
  • the gNB can include the margin of survival time or the preset threshold value in the feedback information, that is, how many times or how long the service can tolerate continuous uplink transmission failures, for the UE to adjust the timer or counter;
  • the gNB may not feed back each uplink transmission, and may use an ack message to indicate that the previous several consecutive transmissions were successful, or use an indication message to indicate that the previous several consecutive uplink transmissions failed;
  • Continuous uplink transmission failures can be detected and counted by gNB.
  • gNB detects that several consecutive uplink transmission failures reach or exceed a certain threshold, it can issue uplink transmission control information. Adjust the scheduling information such as the priority of the uplink transmission for one or several subsequent times to ensure that the indicated uplink transmission is successful and avoid service downtime;
  • the gNB can measure the uplink transmission delay (per-packet delay), and send the measurement result to the UE; on the contrary, the UE can also measure the uplink transmission delay and send it to the gNB;
  • the priority of the subsequent uplink transmission can be reduced; or the continuous uplink transmission success is counted, when the continuous uplink transmission success statistics information reaches a certain preset threshold.
  • the priority of subsequent uplink transmission is lowered to improve resource utilization.
  • This embodiment is mainly aimed at the situation that the uplink transmission of the service described by the UE collides with other uplink transmissions, that is, the conflict between different uplink transmissions in the UE (intra-UE Prioritization), when the uplink transmission resources (such as PUSCH resources) When the transmission of other uplink transmission resources overlaps (overlap), if the service can tolerate the failure or delay of this uplink transmission, deprioritize the priority of this last transmission, and send other uplink transmissions first, or all other uplink transmissions are sent first. The above service skips this uplink transmission and does not perform this uplink transmission. Otherwise, if the service cannot tolerate the failure of this uplink transmission, the uplink transmission of the service is prioritized.
  • the UE detects the uplink transmission failure of the service, counts the number or duration of consecutive uplink transmission failures, and determines whether the statistical result reaches a preset threshold.
  • the uplink transmission of the service collides with the uplink transmission of other services on the UE, if the statistical result of the continuous uplink transmission failure of the service does not reach the preset threshold, the priority of this uplink transmission of the service is lowered, Suspend or delay this uplink transmission, or skip this uplink transmission, or prohibit the corresponding LCH from performing uplink transmission. Otherwise, if the continuous uplink transmission failure statistics result reaches the preset threshold, the uplink transmission of the service is preferentially sent to ensure that the uplink transmission of the service is successful, and the service is prevented from being in a shutdown state.
  • Steps 0 to 2 of this scheme are similar to the previous scheme:
  • the uplink transmission failure detection and continuous uplink transmission failure statistical operations and judging whether the continuous uplink transmission failure statistical result reaches a preset threshold can be performed by the UE or by the gNB;
  • the adjustment of the priority of this uplink transmission or the decision whether to skip this uplink transmission can be independently determined by the UE or performed by the UE under the instruction of the gNB;
  • this scheme establishes a mapping relationship between the continuous uplink transmission failure statistical results (or the service-tolerable continuous uplink transmission failure margin) and scheduling information such as uplink transmission priority.
  • the UE adjusts information such as the priority of one or several subsequent uplink transmissions according to the detected and counted continuous uplink transmission failure results, so as to improve the probability of successful subsequent uplink transmissions and prevent the service from entering a shutdown state.
  • the uplink transmission failure detection, continuous uplink transmission failure statistics and related configuration information in this solution are the same as the previous solutions:
  • S1. UE obtains configuration information from gNB;
  • the configuration information specifies the mapping relationship between the continuous uplink transmission failure statistical results and the uplink transmission priority information
  • the UE performs uplink transmission, and performs uplink transmission failure detection and continuous uplink transmission failure statistics;
  • the determination of the uplink transmission control information can be made by the UE autonomously, or can be made by the base station, and the uplink transmission control information is sent to the UE;
  • the UE performs uplink transmission according to the new uplink transmission priority information
  • the UE performs uplink transmission according to the latest adjusted uplink transmission control information.
  • the present application also provides a communication device, comprising: a processor 110 and a memory 120.
  • the processor 110 controls the operation of the communication device, and the processor 110 may also be referred to as a CPU (Central Processing Unit, central processing unit).
  • the processor 110 may be an integrated circuit chip with processing capability of signal sequence.
  • Processor 110 may also be a general purpose processor, digital signal sequence processor (DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components.
  • DSP digital signal sequence processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory 120 stores instructions and data required for the operation of the processor 110 .
  • the processor 110 is configured to execute instructions to implement the steps performed by the base station in the embodiments and solutions 1 to 8 of the present application.
  • the second embodiment of the communication device of the present application includes: a processor 210 and a memory 220.
  • the processor 210 controls the operation of the communication device, and the processor 210 may also be referred to as a CPU (Central Processing Unit, central processing unit).
  • the processor 210 may be an integrated circuit chip, which has the processing capability of signal sequence.
  • Processor 210 may also be a general purpose processor, digital signal sequence processor (DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components.
  • DSP digital signal sequence processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • Memory 220 stores instructions and data required for processor 210 to operate.
  • the processor 210 is configured to execute instructions to implement the methods performed on the user equipment side in the embodiments and solutions 1 to 8 of the present application.
  • an embodiment of the readable storage medium of the present application includes a memory 310, and the memory 310 stores an instruction that, when executed, implements the method provided by any embodiment of the present application, various solutions and possible combinations.
  • the memory 310 may include a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a flash memory (Flash Memory), a hard disk, an optical disk, and the like.
  • ROM read-only memory
  • RAM random access memory
  • flash Memory flash memory
  • the disclosed method and apparatus may be implemented in other manners.
  • the device implementations described above are only illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be other divisions for example, multiple units or components may be Combinations can either be integrated into another system, or some features can be omitted, or not implemented.
  • Another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or units, which may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this implementation manner.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may be individually physically included, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, removable hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes .

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  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de transmission en liaison montante. Le procédé est appliqué à un côté équipement utilisateur et consiste à : compiler des statistiques sur mes défaillances continues des transmissions en liaison montante d'un premier service afin d'obtenir des informations de défaillance continue ; comparer les informations de défaillance continues à une valeur seuil prédéfinie, la valeur seuil prédéfinie étant déterminée en fonction de la durée de vie du premier service ; si les informations de défaillance continue atteignent la valeur seuil prédéfinie, ajuster les informations de priorité d'au moins une transmission en liaison montante ultérieure du premier service pour qu'elle soit plus élevée ; et en fonction des informations de priorité ajustées, réaliser au moins une transmission en liaison montante ultérieure du premier service. Au moyen de la présente demande, le nombre de fois qu'un service entre dans un état d'arrêt peut être réduit, ce qui permet d'améliorer les performances globales du réseau.
PCT/CN2021/071862 2021-01-14 2021-01-14 Procédé de transmission en liaison montante, équipement de communication et support de stockage lisible WO2022151213A1 (fr)

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