WO2021104035A1 - Procédé et appareil de transmission de données de liaison montante, dispositif terminal, et support de stockage - Google Patents

Procédé et appareil de transmission de données de liaison montante, dispositif terminal, et support de stockage Download PDF

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Publication number
WO2021104035A1
WO2021104035A1 PCT/CN2020/128429 CN2020128429W WO2021104035A1 WO 2021104035 A1 WO2021104035 A1 WO 2021104035A1 CN 2020128429 W CN2020128429 W CN 2020128429W WO 2021104035 A1 WO2021104035 A1 WO 2021104035A1
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WO
WIPO (PCT)
Prior art keywords
uplink data
power
terminal device
transmission power
time period
Prior art date
Application number
PCT/CN2020/128429
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English (en)
Chinese (zh)
Inventor
姚坤
Original Assignee
RealMe重庆移动通信有限公司
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Filing date
Publication date
Application filed by RealMe重庆移动通信有限公司 filed Critical RealMe重庆移动通信有限公司
Publication of WO2021104035A1 publication Critical patent/WO2021104035A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • 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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • This application proposes an uplink data transmission method, device, terminal equipment and storage medium.
  • Fig. 2 shows a flow chart of a method for transmitting uplink data according to an embodiment of the present application.
  • the terminal device after the terminal device obtains the transmit power when sending uplink data in a preset time period before the current moment, it can determine whether the power condition is satisfied according to the transmit power in the preset time period, thereby judging whether Need to resend the upstream data. .
  • the terminal device may calculate the linear average power in the preset time period according to the transmission power of each time within the preset time period. Therefore, the terminal device can use the linear average power as the average transmit power within the preset time period. among them, TxPower(i) is the transmit power when the terminal device sends uplink data for the i-th time in the preset time period.
  • the determined weight relationship for each transmission power can be set according to the following formula: 0 ⁇ P 1 ⁇ P 2 ⁇ ... ⁇ P i ⁇ ... ⁇ P n ⁇ 1 and Wherein each transmit power arrayed before and after the order according to the corresponding transmission time, corresponding to the weight of each weight and the transmit power P 1 P 2 ... P i ... P n correspond one by one. And the transmission time closest to the current moment, the weight of the corresponding transmission power is P n , and the transmission time farthest from the current moment, the weight of the corresponding transmission power is P 1 .
  • the probability that the uplink data is not correctly received and decoded by the base station is high. Therefore, it can be considered that the comparison result meets the retransmission condition, and the terminal device can retransmit the uplink data to reduce the packet loss rate.
  • Step S2331 Obtain the difference between the maximum transmission power and the average transmission power.
  • the first specified threshold is the minimum difference between the maximum transmission power and the average transmission power when the average transmission power is in a normal state. which is When, the average transmit power is in a normal state. Among them, delta is the first specified threshold, and TxPower max is the maximum transmit power.
  • the first designated threshold can be pre-stored in the terminal device, and can be set reasonably according to the specific application environment. For example, it can be set to 3dB.
  • Step S330 Determine whether the uplink data needs to be retransmitted according to whether the transmit power satisfies the power condition.
  • the above-mentioned terminal device determines whether the transmitting power meets the power condition, or whether the change trend of the transmitting power within a preset time period is determined. To reduce the trend, that is, to determine whether the transmit power in the preset time period before the current moment is in a normal state. If it is in a normal state, the terminal device may not retransmit the uplink data. If it is determined that it is in an abnormal state, the terminal device can determine that a retransmission is required.
  • the terminal equipment can also evaluate whether to retransmit the uplink data through the overall transmission power within a period of time before the current moment, which improves the reliability of uplink transmission and reduces The probability of service interruption caused by the loss of uplink data ensures service continuity and user experience.
  • step S410 may refer to the content of the foregoing embodiment, which will not be repeated here.
  • the network usually has a peak period of network usage, and the network during the peak period of network usage is usually poor. Therefore, the terminal device can determine whether the current network environment is in a poor network state according to the transmission time of the uplink data, that is, whether it is in the peak period of network usage, so that when it is determined that the network is relatively poor, the uplink data is replayed according to the transmission power. Pass judgment. Specifically, after the terminal device sends the uplink data, if the uplink scheduling information is not obtained within the first time period, the terminal device may obtain the sending time of the terminal device to send the uplink data.
  • the load threshold may be stored in the terminal device, and may be specifically set according to a specific application environment, and the specific load threshold is not limited in the embodiment of the present application.
  • the load threshold in remote areas can be set to be higher than the load threshold in central areas.
  • the load threshold in remote areas can be set to 80%, and the load threshold in central areas can be set to 60%.
  • step S440 can refer to the content of the foregoing embodiment, which will not be repeated here.
  • the terminal device when it obtains the uplink scheduling information, it can obtain the NDI cell value in the uplink scheduling information, and then compare the NDI cell value with the NDI cell value in the uplink scheduling information obtained last time. Compare. When the current NDI cell value is the same as the last NDI cell value, that is, when the NDI is not overturned, the terminal device can determine that the previous uplink data needs to be retransmitted. When the current NDI cell value is different from the last NDI cell value, that is, when the NDI is inverted, the terminal device can determine that it does not need to retransmit the previous uplink data and determine to send new uplink data.
  • the uplink scheduling information is used to instruct the terminal equipment to resend the uplink data or send new uplink data. Therefore, when the uplink scheduling information is not obtained, the current network environment can be judged whether the network is relatively poor, and when the network is determined to be relatively poor, the uplink data retransmission is determined according to the transmission power to reduce the network resource occupancy rate. Improve the quality of uplink transmission and ensure business continuity.
  • the information obtaining module 420 may be specifically configured to obtain the transmit power when uplink data is sent within a preset time period before the current moment.
  • the retransmission determining module 430 may include: a trend determining unit, configured to determine a power change trend within a preset time period according to the transmission power; and a trend determining unit, configured to When the power change trend is an increasing trend and the magnitude of increase is greater than a specified magnitude, it is determined that the uplink data needs to be retransmitted.
  • the terminal device 100 may be a terminal device capable of running application programs, such as a PC computer or a mobile terminal.
  • the terminal device 100 in this application may include one or more of the following components: a processor 110 and a memory 120.
  • One or more application programs where one or more application programs may be stored in the memory 120 and configured to be composed of one or more Multiple processors 110 execute, and one or more programs are configured to execute the method described in the foregoing method embodiment.
  • the processor 110 may include one or more processing cores.
  • the processor 110 uses various interfaces and lines to connect various parts of the entire terminal device 100, and executes by running or executing instructions, programs, code sets, or instruction sets stored in the memory 120, and calling data stored in the memory 120.
  • Various functions and processing data of the terminal device 100 may use at least one of digital signal processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (Programmable Logic Array, PLA).
  • DSP Digital Signal Processing
  • FPGA Field-Programmable Gate Array
  • PLA Programmable Logic Array
  • the processor 110 may be integrated with one or a combination of a central processing unit (CPU), a graphics processing unit (GPU), a modem, and the like.
  • the memory 120 may include random access memory (RAM) or read-only memory (Read-Only Memory).
  • the memory 120 may be used to store instructions, programs, codes, code sets or instruction sets.
  • the memory 120 may include a program storage area and a data storage area, where the program storage area may store instructions for implementing an operating system and instructions for implementing at least one function (such as touch function, sound playback function, image playback function, etc.) , Instructions used to implement the following various method embodiments, etc.
  • the data storage area can also store data (such as phone book, audio and video data, and chat record data) created by the terminal 100 during use.
  • the computer-readable storage medium 800 may be an electronic memory such as flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM.
  • the computer-readable storage medium 800 includes a non-transitory computer-readable storage medium.
  • the computer-readable storage medium 800 has storage space for the program code 810 for executing any method steps in the above-mentioned methods. These program codes can be read from or written into one or more computer program products.
  • the program code 810 may be compressed in a suitable form, for example.

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

Abstract

La présente demande se rapporte au domaine technique des communications. Sont divulgués, un procédé et un appareil de transmission de données de liaison montante, un dispositif terminal et un support de stockage. Le procédé de transmission de données de liaison montante est appliqué au dispositif terminal, et le dispositif terminal, au minimum, effectue une communication au moyen d'un réseau 5G. Le procédé consiste : à transmettre des données de liaison montante ; lorsque des informations de planification de liaison montante ne sont pas obtenues pendant une première période de temps, à obtenir la puissance de transmission d'un dispositif terminal destinée à transmettre les données de liaison montante, les informations de planification de liaison montante étant utilisées pour indiquer au dispositif terminal de retransmettre les données de liaison montante ou de transmettre de nouvelles données de liaison montante ; et selon que la puissance de transmission satisfait ou non une condition de puissance, à déterminer s'il est nécessaire de retransmettre les données de liaison montante. Le présent procédé peut complètement déterminer la retransmission de données de liaison montante.
PCT/CN2020/128429 2019-11-26 2020-11-12 Procédé et appareil de transmission de données de liaison montante, dispositif terminal, et support de stockage WO2021104035A1 (fr)

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Application Number Priority Date Filing Date Title
CN201911173647.3A CN110933740B (zh) 2019-11-26 2019-11-26 上行数据的传输方法、装置、终端设备及存储介质
CN201911173647.3 2019-11-26

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WO2021104035A1 true WO2021104035A1 (fr) 2021-06-03

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CN110933740B (zh) * 2019-11-26 2022-03-15 RealMe重庆移动通信有限公司 上行数据的传输方法、装置、终端设备及存储介质
CN111935771B (zh) * 2020-08-28 2021-02-09 北京连山科技股份有限公司 一种4g与5g链路高效融合的方法
CN113132063B (zh) * 2021-04-02 2022-07-01 天津瑞发科半导体技术有限公司 一种物理层重传控制方法
CN115460711B (zh) * 2021-06-08 2024-04-26 中国移动通信集团重庆有限公司 业务流量分流方法、装置、电子设备和存储介质

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