WO2021169517A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

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Publication number
WO2021169517A1
WO2021169517A1 PCT/CN2020/137341 CN2020137341W WO2021169517A1 WO 2021169517 A1 WO2021169517 A1 WO 2021169517A1 CN 2020137341 W CN2020137341 W CN 2020137341W WO 2021169517 A1 WO2021169517 A1 WO 2021169517A1
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WO
WIPO (PCT)
Prior art keywords
scheduling
data
terminal device
network device
ratio
Prior art date
Application number
PCT/CN2020/137341
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English (en)
Chinese (zh)
Inventor
孙向凯
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华为技术有限公司
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Filing date
Publication date
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Publication of WO2021169517A1 publication Critical patent/WO2021169517A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • an embodiment of the present application provides a communication method, and the execution subject of the method may be a network device or a chip applied to the network device.
  • the following description will be given by taking a network device as the execution subject as an example.
  • the method includes: a network device receives first pre-scheduled data from a terminal device. When the first pre-scheduled data includes padding data, the network device determines a first scheduling strategy, and the first scheduling strategy is used to instruct to stop scheduling the terminal device or reduce the amount of data scheduled for the terminal device.
  • the first pre-scheduling data includes padding data specifically refers to "the first pre-scheduling data includes padding data but does not include service data”.
  • the network device after the network device receives the first pre-scheduling data from the terminal device, in the case that the first pre-scheduling data includes padding data, the network device can determine a new first scheduling policy to stop the communication
  • the terminal device performs scheduling or reduces the amount of data scheduled for the terminal device, thereby reducing the transmission resources of the air interface occupied by the filling data. Since the terminal device no longer sends padding data, or the amount of padding data sent is reduced, the power consumption of the terminal device is reduced, and uplink interference is reduced.
  • the communication method provided by the embodiment of the present application still complies with the existing communication protocol, and the terminal device does not need to perform other processing steps, which reduces the difficulty of implementation.
  • the network device when determining the first scheduling strategy, the network device also determines the corresponding first scheduling strategy in combination with the status of the first pre-scheduled data received within the first preset time period.
  • the first scheduling strategy is used to instruct to reduce the amount of data scheduled for the terminal device.
  • the communication method in this embodiment of the application further includes: the network device receives second pre-scheduled data from the terminal device, and the second pre-scheduled data
  • the scheduling data is transmitted according to the first scheduling strategy.
  • the network device determines the second ratio according to the second pre-scheduling data, and then determines the second scheduling strategy according to the second ratio.
  • the second ratio is the ratio of the third value to the fourth value
  • the third value is the number of times that the second pre-scheduled data received by the network device in the second preset time period is filled with data
  • the fourth value is the network device The number of second pre-scheduled data received in the second preset time period.
  • the second scheduling strategy is a scheduling strategy for transmitting the first pre-scheduled data or the first scheduling strategy or is used to instruct to stop scheduling the terminal device.
  • the network device determines the corresponding second scheduling strategy based on the status of the second pre-scheduled data received within the second preset time period, so as to save air interface resources.
  • the third threshold and the fourth threshold can be adjusted according to actual business scenarios to meet the requirements of actual business scenarios and reduce the number of invalid scheduling.
  • the second scheduling strategy is a scheduling strategy for transmitting the first pre-scheduled data.
  • the network equipment resumes normal scheduling.
  • the second scheduling strategy is the first scheduling strategy.
  • the network device maintains the current scheduling period and transmission resource amount when scheduling the terminal device.
  • the second scheduling policy is used to instruct to stop scheduling the terminal device. At this time, the network device stops allocating transmission resources for the terminal device.
  • the communication method of the embodiment of the present application further includes: the network device records the first value and the second value, so that the network device counts the first ratio.
  • the first scheduling strategy when the first scheduling strategy is used to indicate to reduce the amount of data scheduled for the terminal device, the first scheduling strategy includes increasing the scheduling period when the terminal device is scheduled and/or reducing the scheduling period for the terminal device. The amount of transmission resources during scheduling. In this way, the period for the terminal device to send filling data to the network device is increased, and/or the data volume of the filling data sent by the terminal device to the network device each time is reduced, which reduces the air interface resources occupied by the filling data, thereby to a certain extent The transmission resources of the air interface are saved, and the power consumption of the terminal equipment and the uplink interference are reduced.
  • the first scheduling policy when the first scheduling policy is used to instruct to stop scheduling the terminal device, the first scheduling policy includes stopping the scheduling of the terminal device. At this time, the network device no longer needs to allocate transmission resources to the terminal device, thereby saving air interface resources.
  • an embodiment of the present application provides a communication device, the communication device including: a unit for executing each step in the above-mentioned first aspect.
  • the communication device may be the network device in the first aspect described above, or a device including the network device described above.
  • an embodiment of the present application provides a communication device, including a processor and an interface circuit.
  • the processor is configured to communicate with other devices through the interface circuit and execute the communication method provided in any of the above aspects.
  • the processor includes one or more.
  • the communication device may be the network device in the first aspect described above, or a device including the network device described above.
  • an embodiment of the present application provides a communication device, including a processor, configured to be connected to a memory and used to call a program stored in the memory to execute the communication method provided in any aspect.
  • the memory may be located in the communication device or outside the communication device.
  • the processor includes one or more.
  • the communication device may be the network device in the first aspect described above, or a device including the network device described above.
  • an embodiment of the present application provides a communication device, including at least one processor and at least one memory, and the at least one processor is configured to execute the communication method provided in any of the above aspects.
  • the communication device may be the network device in the first aspect described above, or a device including the network device described above.
  • an embodiment of the present application provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute any one of the above-mentioned communications. method.
  • embodiments of the present application provide a computer program product containing instructions, which when run on a computer, enable the computer to execute the communication method of any one of the foregoing aspects.
  • an embodiment of the present application provides a circuit system, the circuit system includes a processing circuit, and the processing circuit is configured to execute the communication method according to any one of the foregoing aspects.
  • an embodiment of the present application provides a chip.
  • the chip includes a processor, and the processor is coupled to a memory.
  • the memory stores program instructions. When the program instructions stored in the memory are executed by the processor, any one of the foregoing Communication method.
  • FIG. 2 is a schematic flow diagram of another communication method provided by related technologies
  • FIG. 3 is a schematic diagram of a communication network architecture provided by an embodiment of this application.
  • FIG. 7 is a schematic flowchart of yet another communication method provided by an embodiment of this application.
  • FIG. 8 is a schematic flowchart of yet another communication method provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 13 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • SR is used to indicate that the terminal device has service data to be transmitted, which is transmitted from the terminal device to the network device, so that the network device allocates transmission resources for the terminal device.
  • the first is the traditional uplink data scheduling process
  • the traditional uplink data scheduling process includes the following steps:
  • the terminal device determines that there is service data to be sent.
  • SR is used to indicate that the terminal device has service data to be transmitted.
  • the terminal equipment encodes and modulates the service data according to the MCS, and transmits the encoded and modulated service data at the position of the RB.
  • the network device receives the coded and modulated service data from the terminal device at the position of the RB.
  • the terminal equipment encodes and modulates the service data according to the MCS, and transmits the encoded and modulated service data at the position of the RB.
  • the network device receives the coded and modulated service data from the terminal device at the position of the RB.
  • the network device can actively allocate transmission resources for the terminal device, reducing the transmission steps of the SR, and reducing the data scheduling delay.
  • the terminal device needs to send one or more padding data to the network device to fill the transmission indicated by the resource allocation information Resources, until the terminal device has service data to be transmitted. Since the terminal device transmits the filling data multiple times, problems such as waste of air interface resources, increased power consumption of the terminal device, and uplink interference are caused.
  • the network device sends a blocking instruction to the terminal device to prevent the terminal device from sending padding data.
  • 3GPP third generation partnership project
  • the network device releases transmission resources when it determines that the terminal device has no service data.
  • the allocation and release of transmission resources by network equipment and terminal equipment must be consistent in time.
  • it is difficult for network devices to accurately determine whether a terminal device sends service data and problems such as large data scheduling delays and waste of transmission resources are prone to occur.
  • the terminal device when the network device sends uplink authorization information to the terminal device, but the terminal device fails to receive the uplink authorization information from the network device, and the terminal device has service data to be transmitted, the terminal device still requests the network device through SR Transmission resources, which still increase the data scheduling delay and waste transmission resources.
  • the network device 31 is a device in a wireless communication network, for example, a radio access network (RAN) node that connects the terminal device 30 to the wireless communication network.
  • RAN nodes are: gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), radio network controller (RNC), Node B (Node B) B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (baseband unit) , BBU), or wireless fidelity (WiFi) access point (AP), or network side equipment in the future 5G communication network or communication network after 5G.
  • TRP transmission reception point
  • eNB evolved Node B
  • RNC radio network controller
  • Node B Node B
  • BSC base station controller
  • BTS base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • the embodiment of the present application provides a communication method, which is applied in the data transmission process of the pre-scheduling mechanism.
  • the communication method includes the following steps:
  • the network device sends the first uplink authorization information to the terminal device.
  • the terminal device receives the first uplink authorization information from the network device.
  • the first uplink grant information includes RB location information and MCS.
  • the network device initiates a pre-scheduling process for a certain terminal device.
  • the network device determines whether to allocate transmission resources for the terminal device based on certain judgment conditions.
  • the network device indicates the location of the RB through the uplink authorization information.
  • the terminal device encodes and modulates the first pre-scheduled data according to the MCS in the first uplink grant information, and transmits the encoded and modulated first pre-scheduled data at the position of the RB indicated by the first uplink grant information. data.
  • the network device receives the encoded and modulated first pre-scheduling data from the terminal device at the position of the RB indicated by the first uplink grant information.
  • the first pre-scheduling data includes service data and/or filling data.
  • the value of each bit in the business data is determined according to the actual business conditions.
  • Each bit in the padding data can be all zeros or all empty.
  • the terminal device receives the first uplink authorization information
  • the first pre-scheduled data includes service data but not padding data, or the first pre-scheduled data includes service data And fill in the data. If there is no service data to be transmitted in the terminal device, the first pre-scheduled data includes padding data, but does not include service data.
  • the network device after the network device receives the first pre-scheduled data, the network device performs a validity check on the received first pre-scheduled data, such as identifying characteristics of the first pre-scheduled data to determine the value of the first pre-scheduled data.
  • the specific situation Among them, the specific conditions of the first pre-scheduling data can be divided into the following three types: the first pre-scheduling data includes service data but does not include padding data, or the first pre-scheduling data includes service data and padding data, or the first pre-scheduling data includes service data and padding data.
  • the data includes padding data, but does not include business data.
  • the network device determines that the pre-scheduling process performed on the terminal device this time is normal scheduling. At this time, the network device still schedules the terminal device according to the current scheduling strategy, or, in the case that the first pre-scheduled data includes the BSR, the network device determines the corresponding scheduling strategy based on the BSR, such as when determining to schedule the terminal device The scheduling period and the amount of transmission resources. The network device performs normal processing on the first pre-scheduled data received this time.
  • Example 1 The period for the network device to send the second uplink authorization information to the terminal device is increased.
  • the period for the terminal device to receive the second uplink authorization information from the network device is also increased.
  • the amount of transmission resources allocated by the second uplink grant information remains unchanged. That is, the period for transmitting the second uplink grant information is greater than the period for transmitting the first uplink grant information, and the amount of transmission resources indicated by the second uplink grant information is equal to that indicated by the first uplink grant information The amount of transmission resources.
  • the period of the padding data sent by the terminal device to the network device is increased, which reduces the air interface resources occupied by the padding data. To a certain extent, the transmission resources of the air interface are saved, and the power consumption and uplink interference of the terminal equipment are reduced.
  • Case 3 When the first ratio is equal to the first threshold, the network device determines that the first scheduling policy is used to instruct to reduce the amount of data scheduled for the terminal device. When the first ratio is equal to the second threshold, the network device determines that the first scheduling policy is used to instruct to stop scheduling the terminal device.
  • the network device determines the corresponding first scheduling strategy based on the probability of the received empty data packet within the first preset time period.
  • the probability of the received empty data packet is When it is low, the first scheduling strategy determined by the network device is to reduce the amount of data for scheduling the terminal device. When the probability of the received empty data packet is high, the network device stops scheduling the terminal device to save air interface resources.
  • the first threshold and the second threshold can be adjusted according to actual business scenarios to meet the requirements of actual business scenarios and reduce the number of invalid scheduling.
  • the network device records the second value.
  • the terminal device encodes and modulates the second pre-scheduled data according to the MCS in the second uplink grant information, and transmits the encoded and modulated second pre-scheduled data at the position of the RB indicated by the second uplink grant information. data.
  • the network device receives the encoded and modulated second pre-scheduling data from the terminal device at the position of the RB indicated by the second uplink grant information.
  • the fourth value can refer to the relevant description of S407, which will not be repeated here.
  • an embodiment of the present application also provides a communication device 1000.
  • the communication device When the communication device is implemented as a terminal device, the communication device 1000 includes a processor 1010, a memory 1020, and a transceiver 1030.
  • the memory 1020 stores instructions or programs
  • the processor 1010 is configured to execute the instructions or programs stored in the memory 1020.
  • the processor 1010 is used to perform the operations performed by the processing module 902 in the foregoing embodiment
  • the transceiver 1030 is used to perform the operations performed by the transceiver module 901 in the foregoing embodiment.
  • the terminal equipment in the method, and the operation and/or function of each module in the communication device 900 or the communication device 1000 are to implement the corresponding process of each method in FIG. 6; or, the communication device 900 or the communication device in the embodiment of the present application 1000 may correspond to the terminal device in the communication method of FIG. 7 in the embodiment of the present application, and the operation and/or function of each module in the communication device 900 or the communication device 1000 is to implement the corresponding flow of each method in FIG. 7; or The communication device 900 or the communication device 1000 of the embodiment of the present application may correspond to the terminal device in the communication method of FIG. Realize the corresponding process of each method in Figure 8. For the sake of brevity, I will not repeat them here.
  • the transceiver unit 1110 is used to execute S400 and S401 in FIG. 4 (or FIG. 5 or FIG. 6), and/or the transceiver unit 1110 is also used to execute the terminal device side in the embodiment of the present application Other sending and receiving steps.
  • the processing unit 1120 is configured to execute S401 in FIG. 4 (or FIG. 5 or FIG. 6), and/or the processing unit 1120 is further configured to execute other processing steps on the terminal device side in the embodiment of the present application.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic RAM
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM, DR RAM
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component
  • the memory storage module
  • 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, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present application.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.

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

Abstract

La présente invention concerne un procédé et un appareil de communication qui relèvent du domaine technique des communications et sont susceptibles d'économiser des ressources d'interface radio et de réduire la consommation d'énergie d'un dispositif terminal. Le procédé comprend les étapes au cours desquelles : un dispositif de réseau reçoit des premières données de pré-programmation provenant d'un dispositif terminal ; et, lorsque les premières données de pré-programmation contiennent des données de remplissage, le dispositif de réseau détermine une première politique de programmation, la première politique de programmation étant utilisée pour indiquer l'arrêt de la programmation sur le dispositif terminal ou une diminution de la quantité de données permettant d'effectuer une programmation sur le dispositif terminal.
PCT/CN2020/137341 2020-02-28 2020-12-17 Procédé et appareil de communication WO2021169517A1 (fr)

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CN202010131071.0A CN113329512B (zh) 2020-02-28 2020-02-28 通信方法及装置
CN202010131071.0 2020-02-28

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WO2016161833A1 (fr) * 2015-04-10 2016-10-13 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et équipement d'utilisateur pour un compactage de rétroaction harq
CN107333257A (zh) * 2016-04-29 2017-11-07 展讯通信（上海）有限公司 多卡用户设备及其上行数据传输方法
CN107484249A (zh) * 2016-06-07 2017-12-15 大唐移动通信设备有限公司 一种基于业务类型的预调度方法和系统
US20200045717A1 (en) * 2011-12-09 2020-02-06 Telefonaktiebolaget Lm Ericsson (Publ) Scheduling of delay-sensitive traffic

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7423990B2 (en) * 2002-06-18 2008-09-09 Vixs Systems Inc. Dynamically adjusting data rate of wireless communications
CN109842939B (zh) * 2017-11-27 2021-04-02 上海诺基亚贝尔股份有限公司 上行链路传输方法、设备和计算机可读介质
CN113783671B (zh) * 2018-05-11 2022-12-27 华为技术有限公司 通信方法、终端设备和网络设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200045717A1 (en) * 2011-12-09 2020-02-06 Telefonaktiebolaget Lm Ericsson (Publ) Scheduling of delay-sensitive traffic
WO2016161833A1 (fr) * 2015-04-10 2016-10-13 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et équipement d'utilisateur pour un compactage de rétroaction harq
CN107333257A (zh) * 2016-04-29 2017-11-07 展讯通信（上海）有限公司 多卡用户设备及其上行数据传输方法
CN107484249A (zh) * 2016-06-07 2017-12-15 大唐移动通信设备有限公司 一种基于业务类型的预调度方法和系统

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