WO2021115015A1 - Procédé de sélection de faisceau, terminal et support de stockage - Google Patents

Procédé de sélection de faisceau, terminal et support de stockage Download PDF

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Publication number
WO2021115015A1
WO2021115015A1 PCT/CN2020/128599 CN2020128599W WO2021115015A1 WO 2021115015 A1 WO2021115015 A1 WO 2021115015A1 CN 2020128599 W CN2020128599 W CN 2020128599W WO 2021115015 A1 WO2021115015 A1 WO 2021115015A1
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WO
WIPO (PCT)
Prior art keywords
service
terminal
performance
preset
current user
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PCT/CN2020/128599
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English (en)
Chinese (zh)
Inventor
张乐
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中兴通讯股份有限公司
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Publication of WO2021115015A1 publication Critical patent/WO2021115015A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Definitions

  • the embodiments of the present disclosure relate to, but are not limited to, the field of communication technologies, and specifically, to but are not limited to beam selection methods, terminals, and storage media.
  • millimeter waves are used as an important means of deployment.
  • Large-scale multiple-input multiple-output (MIMO) uses millimeter-wave frequency bands and greatly reduces antenna size, making large-scale antennas And ultra-dense networking has become another urban landscape in the 5G era.
  • Millimeter wave has the advantages of wide bandwidth, low interference, and low spectrum price.
  • the large bandwidth brought by millimeter waves meets the needs of users in terms of speed, and the lack of rapid RF attenuation at high frequencies can be compensated by beamforming technology.
  • the embodiment of the present disclosure provides a beam selection method, including: identifying the service characteristics of the service requested by the current user;
  • the beam reselection mechanism When the preset beam reselection conditions are met, the beam reselection mechanism is activated;
  • the second beam is selected.
  • the embodiments of the present disclosure also provide a terminal, the terminal including a processor, a memory, and a communication bus;
  • the communication bus is configured to realize connection and communication between the processor and the memory
  • the processor is configured to execute one or more computer programs stored in the memory to implement the beam switching method described above.
  • the embodiment of the present disclosure also provides a computer storage medium that stores one or more computer programs, and when the one or more computer programs are executed by one or more processors, the beam selection method described above is implemented.
  • FIG. 1 is a schematic flowchart of a beam selection method according to an embodiment of the disclosure
  • FIG. 2 is a schematic diagram of another flow of a beam selection method according to an embodiment of the disclosure.
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the disclosure.
  • an embodiment of the present disclosure provides a beam selection method. Referring to FIG. 1, the method includes the following steps:
  • the beam selection method before S101, further includes: identifying the beam performance of the beam in the cell where the current terminal is located, and storing the identifier of the beam and the corresponding beam performance in the beam performance database.
  • the services include: a first type of service and a second type of service; the level of the first type of service selection beam is higher than the level of the second type of service selection beam.
  • the beam selection method further includes:
  • TQC high-level critical (Critical) application type services TQC lower-level non-critical (Non-Critical) application type services.
  • TQC high-level critical (Critical) application type services the requirements for real-time and stability of the network are relatively high, while the data requirements for the network are relatively low.
  • financial software, various game software, etc. may initiate TQC high Critical application type business.
  • TQC low-level non-critical (Non-Critical) application type services the requirements for real-time and stability of the network are relatively low, while the data requirements for the network are relatively high, such as file transfer protocol (FTP), chat Software, etc. may initiate TQC lower-level non-critical (Non-Critical) application type business.
  • FTP file transfer protocol
  • chat Software chat Software
  • the level of matching, selecting and switching effective beams for TQC high-level critical application type services is higher than that of TQC lower level non-critical application type services.
  • the characteristics of the two services of TQC high-level critical (Critical) application type services and TQC lower-level non-critical application type services are shown in Table 1 below.
  • the service characteristic includes at least one of a first data throughput, a first delay, a first packet loss rate, and a first peak rate; the beam performance includes a second data throughput, a first At least one of the second delay, the second packet loss rate, and the second peak rate.
  • the terminal can periodically obtain the service characteristics of the service requested by the current user.
  • the aforementioned service characteristics include, but are not limited to, at least one of the expected data throughput requirements, the expected delay requirements, the expected packet loss rate requirements, and the expected peak rate requirements.
  • the terminal also regularly measures the beam performance of the beam in the cell.
  • the beam performance includes but is not limited to at least one of data throughput statistical characteristics, delay statistical characteristics, signal variation statistical characteristics, and peak rate statistical characteristics.
  • service characteristics include expected data throughput requirements, expected delay requirements, expected packet loss rate requirements, and expected peak rate requirements
  • beam performance includes data throughput statistical characteristics, delay statistical characteristics, signal fluctuation statistical characteristics, Peak rate statistics feature.
  • the service characteristic threshold configuration corresponding to the two services of TQC high-level critical (Critical) application type services and TQC lower-level non-critical application type services is shown in Table 2 below.
  • the beam performance database list is shown in Table 3 below.
  • satisfying the preset beam reselection condition includes:
  • the beam performance of the currently selected first beam does not meet the service characteristic requirements of the service requested by the current user.
  • the terminal may start the beam reselection mechanism.
  • the beam selection method further includes:
  • the Nth beam corresponding to the service characteristic is output, where N is an integer greater than or equal to 2; until it is determined that the Nth beam satisfies the beam switching condition, the Nth beam is selected.
  • the preset selection rule includes: matching a beam that fully meets the service characteristics or a beam that has the smallest gap with the service characteristic requirements in the currently stored beam characteristic database.
  • the beam selection method further includes:
  • the beam selection method includes:
  • the beam reselection mechanism After identifying the service characteristics of the service requested by the current user, when the preset beam reselection conditions are not met, the beam reselection mechanism is not activated.
  • the terminal may not activate the beam reselection mechanism.
  • the service characteristics of the service requested by the current user are identified; when the preset beam reselection conditions are met, the beam reselection mechanism is activated; after the beam reselection mechanism is activated, the The selection rule is to match the second beam corresponding to the service characteristic from the beam performance database; and when it is determined that the beam switching condition is satisfied, the second beam is selected, which realizes the selection of the appropriate beam based on the different service characteristics of the service requested by the user , And complete the dynamic selection and switching of the beam; it can optimally ensure the reasonable needs of all services under limited network resources, so as to better meet the different needs of different users for the network status when using different services, and greatly improve the network The utilization efficiency and beneficial effects.
  • an embodiment of the present disclosure provides a beam selection method.
  • the method includes the following steps:
  • Terminal A selects beam W1 in a specific cell.
  • Terminal A periodically recognizes the beam performance of the cell-specific beam, and stores the identifier of the beam and its corresponding beam performance in the beam performance database of the terminal;
  • Terminal A initiates a TQC lower-level Non-Critical application type service; and identifies the service characteristics of the service requested by the current user;
  • Terminal A initiates a TQC high-level Critical application type service, and identifies the service characteristics of the service requested by the current user;
  • the beam performance of the beam W1 currently selected by the terminal A is worse than the service characteristics of the service requested by the current user, and the terminal A starts the beam reselection mechanism, and according to the service characteristics of the TQC high-level Critical application type service, obtains priority in the beam performance database List of beam performance and match;
  • Terminal A queries the beam performance list in the beam performance database, and matches beam W2 to optimally meet the requirements of TQC high-level critical application type services;
  • the terminal A requests the terminal B, which is using the beam W2, to release the beam W2;
  • Terminal B checks whether its current service is a TQC high-level Critical application type service; if the current service of terminal B is not a TQC high-level Critical application type service, perform S210; if the current service of terminal B is a TQC high-level Critical application type For business, perform S213;
  • terminal B When terminal B is currently performing a TQC lower-level Non-Critical application type service, terminal B releases beam W2; and feeds back information about releasing beam W2 to terminal A;
  • Terminal A obtains the information of the release beam W2 of the terminal B, releases the beam W1 that is being used, and synchronizes the information of the released beam W1 to the terminal B;
  • Terminal A selects beam W2, and completes beam switching
  • Terminal B is currently performing a TQC high-level critical application type service, and terminal B refuses to release beam W2; terminal B feeds back information that it refuses to release beam W2 to terminal A;
  • Terminal A selects beam Wx and completes beam switching.
  • terminal A After terminal A receives the message that it refuses to release beam W2, it re-matches the beam performance of other beams that exclude beams W1 and W2 in the beam performance database, and matches beam W3 to meet the requirements of TQC high-level critical application type services.
  • Request terminal C which is using beam W3, to release beam W3; if terminal A receives the information of releasing beam W3 fed back by terminal C, it releases beam A and selects beam W3 to complete beam switching; if terminal C also feedbacks rejection The information of beam W3 is released to terminal A, and terminal A again matches the beam performance of other beams that exclude beams W1, W2, and W3 in the beam performance database, until it matches the selectable beam that can meet the service requirements of TQC high-level Critical application type.
  • the beam Wx is the selectable beam with the smallest gap between the beam performance in the beam performance database and the service characteristic of the service requested by the current user.
  • terminal 1 selects beam W1
  • terminal 2 selects beam W2
  • terminal 3 selects beam W3
  • the terminal N selects the beam Wx; and each terminal can perform the above-mentioned beam selection method according to the actual situation.
  • each of multiple terminals 1, 2, 3...N can periodically measure the beam performance of a cell-specific beam, and its beam performance includes, but is not limited to, statistical characteristics of data throughput, statistical characteristics of delay, and statistical characteristics of signal changes. , Peak rate statistical characteristics, and the identification of the beam and its corresponding beam performance are stored in the beam performance database of the terminal.
  • each of the multiple terminals 1, 2, 3...N can periodically obtain the service characteristics of the service requested by the current user, and its service characteristics include, but are not limited to, whether it is a critical application type service, expected data throughput requirements, and time. Expected requirements for delay, expected requirements for packet loss rate, and expected requirements for peak rate.
  • each of the multiple terminals 1, 2, 3...N can try to find a beam that fully meets the service characteristic requirements in the currently stored beam performance database according to the service characteristics of the service requested by the current user, and then select the beam ; If it is impossible to find a beam that fully meets the service characteristic requirements, the final matching beam Wx with the smallest gap between the service characteristic requirements and the service characteristic requirements is selected, and the beam is selected.
  • the beam selection method provided by the embodiments of the present disclosure, it is possible to select suitable beams based on the different service characteristics of the service requested by the user, and to complete the dynamic selection and switching of the beams; under limited network resources, it is possible to optimally ensure the performance of all services.
  • Reasonable needs so as to better meet the different needs of different users on the network status when different users request different services, and greatly improve the utilization efficiency and beneficial effects of the network.
  • the embodiment of the present disclosure also provides a terminal. As shown in FIG. 3, it includes a processor 301, a memory 302, and a communication bus 303.
  • the communication bus 303 is configured to implement communication between the processor 301 and the memory 302.
  • the processor 301 is configured to execute one or more computer programs stored in the memory 302 to implement the beam selection method in the foregoing embodiment.
  • the embodiments of the present disclosure also provide a computer-readable storage medium, which includes any method or technology for storing information (such as computer-readable instructions, data structures, computer program modules, or other data). Volatile or non-volatile, removable or non-removable media.
  • Computer-readable storage media include but are not limited to RAM (Random Access Memory), ROM (Read-Only Memory, read-only memory), EEPROM (Electrically Erasable Programmable read only memory, charged Erasable Programmable Read-Only Memory) ), flash memory, CD-ROM (Compact Disc Read-Only Memory), digital versatile disc (DVD), magnetic cassette, magnetic tape, magnetic disk storage device, or can be used to store desired information and can be used by a computer Any other media accessed.
  • the computer-readable storage medium in the embodiments of the present disclosure may store one or more computer programs, and the stored one or more computer programs may be executed by a processor to implement the beam selection method in the foregoing embodiments.
  • the embodiments of the present disclosure also provide a computer program (or computer software), which may be distributed on a computer-readable medium and executed by a computing device to implement the beam selection method in the above-mentioned embodiment.
  • the embodiment of the present disclosure also provides a computer program product, including a computer readable device, and the computer readable device stores the computer program as shown above.
  • the computer-readable device may include the computer-readable storage medium as shown above.
  • communication media usually contain computer-readable instructions, data structures, computer program modules, or other data in a modulated data signal such as carrier waves or other transmission mechanisms, and may include any information delivery medium. Therefore, the present disclosure is not limited to any specific combination of hardware and software.
  • the beam selection method, terminal, and storage medium provided by the embodiments of the present disclosure are used to identify the service characteristics of the service requested by the current user; when the preset beam reselection conditions are met, the beam reselection mechanism is activated; after the beam reselection mechanism is activated , According to the preset selection rule, match the second beam corresponding to the service characteristic of the service requested by the current user from the beam performance database; and when it is determined that the beam switching condition is satisfied, the second beam is selected.
  • the following technical effects can be achieved, including but not limited to: the ability to select the appropriate beam based on the different service characteristics of the service requested by the user, and complete the dynamic selection and switching of the beam; it can optimally ensure the reasonableness of all services under limited network resources So as to better meet the different needs of different users for the network status when using different services, and greatly improve the utilization efficiency and beneficial effects of the network.

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

Abstract

Les modes de réalisation de la présente divulgation concernent un procédé de sélection de faisceau, un terminal et un support de stockage. Une caractéristique de service d'un service demandé par un utilisateur actuel est identifiée ; lorsqu'une condition de re-sélection de faisceau prédéfinie est satisfaite, un mécanisme de re-sélection de faisceau est activé ; après que le mécanisme de resélection de faisceau est activé, un second faisceau correspondant à la caractéristique de service est mis en correspondance à partir d'une base de données de performances de faisceau selon une règle de sélection prédéfinie ; et lorsqu'il est déterminé qu'une condition de commutation de faisceau est satisfaite, le second faisceau est sélectionné.
PCT/CN2020/128599 2019-12-11 2020-11-13 Procédé de sélection de faisceau, terminal et support de stockage WO2021115015A1 (fr)

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CN201911269027.X 2019-12-11
CN201911269027.XA CN112954709A (zh) 2019-12-11 2019-12-11 波束选择方法、终端以及存储介质

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CN113923738B (zh) * 2021-10-25 2023-09-05 华信咨询设计研究院有限公司 一种udn架构下5g小区的切换方法及相关装置

Citations (5)

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CN103607233A (zh) * 2013-12-06 2014-02-26 北京邮电大学 一种波束切换方法
US20170135099A1 (en) * 2015-11-06 2017-05-11 Electronics And Telecommunications Research Instit Ute Method and apparatus for configuring radio resource
CN107800472A (zh) * 2017-11-23 2018-03-13 中国空间技术研究院 一种卫星网络中的基于资源预留的切换控制方法及***
CN107889145A (zh) * 2016-09-29 2018-04-06 华为技术有限公司 切换方法及装置
CN108235333A (zh) * 2016-12-22 2018-06-29 ***通信有限公司研究院 一种为终端提供网络服务的方法及网络设备、基站

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CN103607233A (zh) * 2013-12-06 2014-02-26 北京邮电大学 一种波束切换方法
US20170135099A1 (en) * 2015-11-06 2017-05-11 Electronics And Telecommunications Research Instit Ute Method and apparatus for configuring radio resource
CN107889145A (zh) * 2016-09-29 2018-04-06 华为技术有限公司 切换方法及装置
CN108235333A (zh) * 2016-12-22 2018-06-29 ***通信有限公司研究院 一种为终端提供网络服务的方法及网络设备、基站
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