WO2020258995A1 - 一种基于非独立组网nsa***的波束管理方法和装置 - Google Patents
一种基于非独立组网nsa***的波束管理方法和装置 Download PDFInfo
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- 230000006855 networking Effects 0.000 title claims abstract description 35
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- 238000005259 measurement Methods 0.000 claims description 87
- 238000004891 communication Methods 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the embodiments of the present application relate to the field of mobile communication technology, in particular to a beam management method and device based on a non-independent networking NSA system.
- Beamforming technology is one of the core technologies of 5G communication.
- the beamforming technology focuses the energy of the wireless signal to form a precise directional beam (Beam), which generates stronger signal gain to overcome the path loss, thereby providing a strong guarantee for the transmission quality of 5G wireless signals.
- the base station After the beamforming technology is adopted, usually the narrower the beam, the larger the signal gain, but the smaller the corresponding coverage area. Once the beam direction deviates from the user, the user cannot receive high-quality wireless signals. Therefore, 5G base stations must use more Only a beam of different directions can fully cover the cell. In the downlink process, the base station sequentially uses beams of different directions to transmit wireless signals, and determines the best transmit beam (Beam determination) aimed at the user according to user feedback. To make things more complicated, users also have antenna arrays. This means that in the process of beam alignment, both the transmitting beam and the receiving beam must be considered.
- the 5G standard allows users to transform different receive beams on the transmit beam and select the best receive beam from them, thereby generating a pair of best transmit-receive beams.
- the best transmit-receive beam pairs corresponding to user 1 and user 2 are (t4, r3) and (t6, r2), respectively.
- This scanning process of beam alignment and matching is called beam management technology.
- the beam generated by a large-scale antenna array usually needs to be very narrow.
- the price paid is that the base station needs to use a large number of narrow beams to ensure that users in any direction in the cell can be effectively covered.
- the strategy of traversing and scanning all narrow beams to find the best transmit-receive beam appears to be time-consuming and laborious, which is inconsistent with the user experience expected by 5G.
- the best transmit-receive beam will change with the user's location.
- the embodiments of the present application provide a beam management method and device based on a non-independent networking NSA system.
- the embodiment of the present application provides a beam management method based on a non-independent networking NSA system.
- the method includes: scanning a target user in an area covered by the first base station in the NSA system to determine the location of the target user Angle range: the second base station in the NSA system scans the azimuth angle range where the target user is located to determine the matching beam between the second base station and the target user.
- the embodiments of the present application also provide a beam management method based on a non-independent networking NSA system.
- the method includes: a terminal receives M first beams transmitted by a first base station, and performs processing on the M first beams.
- the beam performs intensity measurement, and M is an integer greater than or equal to 1; the first beam measurement information is fed back to the first base station, and the first beam measurement information is performed by the terminal according to the M first beams transmitted by the first base station Obtained by intensity measurement; the terminal receives the N second beams transmitted by the second base station, and performs intensity measurement on the N second beams, where N is an integer greater than 1, and feeds back the second beam measurement information to the second base station
- the second beam measurement information is obtained by the terminal through intensity measurement according to the N second beams transmitted by the first base station.
- an embodiment of the present application also provides a beam management device based on a non-independent networking NSA system, including: a first scanning module configured to scan targets in the coverage area through the first base station in the NSA system The user determines the azimuth angle range where the target user is located; the second scanning module is configured to scan the azimuth angle range where the target user is located through the second base station in the NSA system to determine the matching beam between the second base station and the target user.
- an embodiment of the present application also provides a beam management device based on a non-independent networking NSA system, including: a first measurement module configured to receive M first beams transmitted by a first base station, and to respond to the M Perform intensity measurement on the first beams, and M is an integer greater than or equal to 1.
- the first feedback module is configured to feed back first beam measurement information to the first base station, where the first beam measurement information indicates that the terminal is M first beams transmitted by a base station are obtained by intensity measurement;
- the second measurement module is configured to receive N second beams transmitted by a second base station, and perform intensity measurement on the N second beams, where N is greater than An integer of 1;
- the second feedback module is configured to feed back second beam measurement information to the second base station, where the second beam measurement information is obtained by the terminal according to the intensity measurement of the N second beams transmitted by the first base station of.
- an embodiment of the present application also provides a beam management device based on a non-independent networking NSA system, including a memory and a processor, the memory stores a program, and the program is read and executed by the processor.
- a beam management device based on a non-independent networking NSA system, including a memory and a processor, the memory stores a program, and the program is read and executed by the processor.
- embodiments of the present application further provide a computer-readable storage medium, wherein the computer-readable storage medium stores one or more programs, and the one or more programs can be used by one or more processors Is executed to implement the beam management method based on the non-independent networking NSA system as described in the first aspect or the second aspect.
- Figure 1 is a schematic diagram of the principle of the best transmitting-receiving beam in the related technology
- FIG. 2 is a flowchart of a beam management method based on a non-independent networking NSA system according to an embodiment of the application;
- FIG. 3 is a flowchart of a beam management method based on a non-independent networking NSA system according to an embodiment of the application;
- FIG. 4 is a schematic structural diagram of a beam management device based on a non-independent networking NSA system according to an embodiment of the application;
- FIG. 5 is a schematic structural diagram of a first scanning module according to an embodiment of the application.
- FIG. 6 is a schematic structural diagram of a second scanning module according to an embodiment of the application.
- FIG. 7 is a schematic structural diagram of a beam management device based on a non-independent networking NSA system according to an embodiment of the application.
- FIG. 8 is a schematic diagram of a beam management process based on a non-independent networking NSA system according to an embodiment of the application;
- FIG. 9 is a flowchart of a beam management device based on a non-independent networking NSA system provided by an embodiment of the present application.
- Fig. 10 is a block diagram of a computer-readable storage medium according to an embodiment of the present application.
- the embodiment of the application provides a beam management method based on a non-independent networking NSA system. As shown in FIG. 2, the method includes:
- the first base station in the NSA system scans the target user in the covered area in an all-round way to determine the azimuth angle range where the target user is located;
- S102 Scan the azimuth angle range where the target user is located by the second base station in the NSA system, and determine a matching beam between the second base station and the target user.
- Non-Standalone, independent networking There are currently two ways to build and deploy 5G networks: SA (Standalone, independent networking) and NSA (Non-Standalone, non-independent networking). Among them, non-independent networking refers to the use of existing 4G infrastructure. Carry out 5G network deployment.
- the coverage of 4G base stations is larger than that of 5G base stations.
- the coverage of 5G base stations is smaller than that of 4G base stations, areas with 4G coverage and no 5G coverage will not provide 5G services and will not switch to 5G base stations;
- the coverage of 5G base stations can be increased by increasing the transmission power, so that the coverage of 5G base stations is consistent with that of 4G base stations.
- the 5G base station cell handover is actually the handover of different matched beams, and the specific cell handover method is consistent with the 4G base station cell handover method.
- the step S101 to scan the target users in the covered area by the first base station in the NSA system in an all-round way includes:
- M is an integer greater than or equal to 1;
- the 4G base station performs beam scanning on the covered area based on the M first beams.
- scanning the azimuth angle range where the target user is located by the second base station in the NSA system in step S102 includes:
- N second beams to the azimuth angle range where the target user is located through the beam antenna of the 5G base station, where N is an integer greater than 1;
- the 5G base station scans the azimuth angle range where the target user is located based on the N second beam traversal.
- beam scanning matching management is performed in two stages:
- the 4G base station in the NSA architecture is used to cover 5G users in an all-round and large range in real time.
- 5G users in the coverage area can be tracked in real time, and the user's azimuth and angle range is obtained and fed back to the 5G base station;
- the 5G base station uses multiple narrow beams to scan the user azimuth angle range covered by the 4G base station in the first stage one by one. For a single user, although the scanning beam is narrowed at this time, the required scanning range has been reduced, and the number of scanning will be reduced accordingly. At this time, the 5G base station has improved the accuracy of the beam direction aimed at each user, and the quality of the established wireless communication connection has been improved. As a result, fine scanning of the best matching beam is achieved.
- This embodiment provides a solution for determining the azimuth angle range where the target user is located on the basis of the first embodiment.
- step S101 to determine the azimuth angle range where the target user is located includes:
- the first beam measurement information is obtained by the target user through intensity measurement according to the M first beams transmitted by the first base station;
- 4G base stations use beams with different directions to transmit wireless signals in turn. This process is called beam sweeping.
- users measure the wireless signals emitted by different beams (Beam measurement) and report relevant information to the 4G base station ( Beam reporting); the base station determines the azimuth angle range aimed at the user according to the user report.
- Beam measurement the wireless signals emitted by different beams
- Beam reporting the base station determines the azimuth angle range aimed at the user according to the user report.
- step S102 determining the matching beam between the second base station and the target user includes:
- the second beam measurement information is obtained by the target user through intensity measurement according to the N second beams transmitted by the second base station;
- the number of second beams corresponding to each first beam may be the same or different.
- the first beam A may correspond to three second beams
- the first beam B may correspond to four second beams
- the first beam may correspond to four second beams.
- One beam C corresponds to four second beams
- the first beam D also corresponds to four second beams.
- the specific correspondence relationship depends on the deployment of the NSA system.
- an embodiment of the present application also provides 6.
- a beam management method based on a non-independent networking NSA system wherein the method includes:
- S201 The terminal receives M first beams transmitted by the first base station, and performs intensity measurement on the M first beams, where M is an integer greater than or equal to 1.
- S202 Feed back first beam measurement information to the first base station, where the first beam measurement information is obtained by the terminal according to the intensity measurement of the M first beams transmitted by the first base station;
- S203 The terminal receives N second beams transmitted by the second base station, and performs intensity measurement on the N second beams, where N is an integer greater than 1.
- S204 Feed back second beam measurement information to the second base station, where the second beam measurement information is obtained by the terminal through intensity measurement according to the N second beams transmitted by the first base station.
- the terminal will receive the first beam transmitted by the first base station, and record its own reception quality of each first beam. After the transmission of the first beam of the first base station is completed, the terminal can compare its own reception quality of each first beam, and then use the first beam with the best quality from the M first beams as the selected beam. It is understandable that there may be more than one selected beam in this embodiment. For example, in addition to the beam with the best reception quality, the beam with the second best reception quality can also be selected.
- the terminal receiving the second beam measures its own reception quality for each second beam, and then compares the N second beams The second beam with the best quality is used as the matching beam.
- an embodiment of the present application also provides a beam management device based on a non-independent networking NSA system, including:
- the first scanning module 100 is configured to scan the target user in the covered area through the first base station in the NSA system to determine the azimuth angle range where the target user is located;
- the second scanning module 200 is configured to scan the azimuth angle range where the target user is located through the second base station in the NSA system to determine the matching beam between the second base station and the target user.
- the first base station is a 4G base station
- the second base station is a 5G base station.
- the first scanning module scans the target users in the area covered by the first base station in the NSA system including:
- M is an integer greater than or equal to 1;
- the 4G base station performs beam scanning on the covered area based on the M first beams.
- the first scanning module includes: a first communication unit 10 and a second analysis unit 20:
- the first communication unit is configured to receive first beam measurement information sent by a target user; the first beam measurement information is obtained by the target user through intensity measurement according to the M first beams transmitted by the first base station;
- the first analysis unit is configured to determine the azimuth angle range where the target user is located according to the first beam measurement information of the target user.
- the azimuth angle range where the second scanning module scans the target user through the second base station in the NSA system includes:
- N second beams to the azimuth angle range where the target user is located through the beam antenna of the 5G base station, where N is an integer greater than 1;
- the 5G base station scans the azimuth angle range where the target user is located based on the N second beam traversal.
- the second scanning module 200 includes: a second communication unit 30 and a second analysis unit 40:
- the second communication unit 30 is configured to receive second beam measurement information sent by a target user; the second beam measurement information is obtained by the target user through intensity measurement according to the N second beams transmitted by the second base station;
- the second analysis unit 40 is configured to determine the best transmit-receive beam corresponding to the target user according to the second beam measurement information of the target user.
- an embodiment of the present application also provides a beam management device based on a non-independent networking NSA system, including:
- the first measurement module 300 is configured to receive M first beams transmitted by the first base station and perform intensity measurement on the M first beams, where M is an integer greater than or equal to 1;
- the first feedback module 400 is configured to feed back first beam measurement information to the first base station, where the first beam measurement information is obtained by the terminal through intensity measurement according to the M first beams transmitted by the first base station;
- the second measurement module 500 is configured to receive N second beams transmitted by the second base station, and perform intensity measurement on the N second beams, where N is an integer greater than 1;
- the second feedback module 600 is configured to feed back second beam measurement information to the second base station, where the second beam measurement information is obtained by the terminal according to the intensity measurement of the N second beams transmitted by the first base station.
- the 5G base station based on the 4G base station covering a wide range of tracking, the 5G base station only needs to continue to scan the 4 narrow beams related to each user, for example, scan beams t1-t4 for user 1. Therefore, in the NSA-based beam management process shown in FIG. 8, the base station only needs to scan 4 times for each user, instead of scanning all 12 beams.
- the beam management method based on the NSA system utilizes the characteristics of large-scale omnidirectional real-time coverage of 4G base stations under 5G NSA (non-independent networking), which effectively reduces the range and frequency of 5G beam matching traversal scanning, reduces resource waste, and affects base stations and users.
- 5G NSA non-independent networking
- the gradual increase in the number of array antennas is particularly obvious, while providing seamless coverage for users to ensure that communication is not interrupted or dropped, and communication quality is improved.
- the process of the 5G array antenna beam management party based on the NSA system is as follows:
- the NSA base station analysis and control system analyzes and processes the above-mentioned user information, controls the corresponding 5G beam to perform fine scans for users in this direction, and determines the best matching beam between the 5G base station and the user;
- an embodiment of the present application provides a beam management device 90 based on a non-independent networking NSA system, including a memory 910 and a processor 920.
- the memory 910 stores a program, and the program is When the processor 920 reads and executes, it implements the beam management method based on the non-independent networking NSA system described in any of the embodiments.
- an embodiment of the present application provides a computer-readable storage medium 1000.
- the computer-readable storage medium 1000 stores one or more programs 1010, and the one or more programs 1010 can be used by one or
- the multiple processors are executed to implement the beam management method based on the non-independent networking NSA system described in any embodiment.
- Such software may be distributed on a computer-readable medium, and the computer-readable medium may include a computer storage medium (or a non-transitory medium) and a communication medium (or a transitory medium).
- the term computer storage medium includes volatile and non-volatile memory implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Sexual, removable and non-removable media.
- Computer storage media include but are not limited to RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cassette, tape, magnetic disk storage or other magnetic storage device, or Any other medium used to store desired information and that can be accessed by a computer.
- communication media usually contain computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as carrier waves or other transmission mechanisms, and may include any information delivery media .
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Claims (15)
- 一种基于非独立组网NSA***的波束管理方法,包括:通过NSA***中的第一基站全方位扫描所覆盖区域内的目标用户,确定目标用户所在的方位角度范围;通过NSA***中的第二基站扫描目标用户所在的方位角度范围,确定第二基站与所述目标用户之间的匹配波束。
- 根据权利要求1所述的方法,其中,通过NSA***中的第一基站全方位扫描所覆盖区域内的目标用户包括:利用4G基站中全向天线或定向天线发射M个第一波束,M为大于或者等于1的整数;所述4G基站基于M个第一波束对所覆盖区域进行波束扫描。
- 根据权利要求2所述的方法,其中,确定目标用户所在的方位角度范围包括:接收目标用户发送的第一波束测量信息;所述第一波束测量信息为目标用户根据第一基站发射的M个第一波束进行强度测量获得的;根据所述目标用户的第一波束测量信息,确定所述目标用户所在的方位角度范围。
- 根据权利要求1或2所述的方法,其中,通过NSA***中的第二基站扫描目标用户所在的方位角度范围包括:通过5G基站的波束天线向目标用户所在的方位角度范围发射N个第二波束,N为大于1的整数;所述5G基站基于N个第二波束遍历扫描目标用户所在的方位角度范围。
- 根据权利要求4所述的方法,其中,确定第二基站与所述目标用户之间的匹配波束包括:接收目标用户发送的第二波束测量信息;所述第二波束测量信息为目标用户根据第二基站发射的N个第二波束进行强度测量获得的;根据所述目标用户的第二波束测量信息,确定所述目标用户对应的最佳发射—接收波束。
- 一种基于非独立组网NSA***的波束管理方法,包括:终端接收第一基站发射的M个第一波束,并对所述M个第一波束进行强度测量,M为大于或者等于1的整数;向所述第一基站反馈第一波束测量信息,所述第一波束测量信息为所述终端根据第一基站发射的M个第一波束进行强度测量获得的;终端接收第二基站发射的N个第二波束,并对所述N个第二波束进行强度测量,N为大于1的整数;向所述第二基站反馈第二波束测量信息,所述第二波束测量信息为所述终端根据第一基站发射的N个第二波束进行强度测量获得的。
- 一种基于非独立组网NSA***的波束管理装置,包括:第一扫描模块,设置为通过NSA***中的第一基站全方位扫描所覆盖区域内的目标用户,确定目标用户所在的方位角度范围;第二扫描模块,设置为通过NSA***中的第二基站扫描目标用户所在的方位角度范围,确定第二基站与所述目标用户之间的匹配波束。
- 根据权利要求7所述的装置,其中,所述第一基站为4G基站,所述第二基站为5G基站。
- 根据权利要求8所述的装置,其中,所述第一扫描模块通过NSA***中的第一基站全方位扫描所覆盖区域内的目标用户包括:利用4G基站中全向天线或定向天线发射M个第一波束,M为大于或者等于1的整数;所述4G基站基于M个第一波束对所覆盖区域进行波束扫描。
- 根据权利要求8所述的装置,其中,所述第一扫描模块包括:第一通信单元和第一分析单元:所述第一通信单元,设置为接收目标用户发送的第一波束测量信息;所 述第一波束测量信息为目标用户根据第一基站发射的M个第一波束进行强度测量获得的;所述第一分析单元,设置为根据所述目标用户的第一波束测量信息,确定所述目标用户所在的方位角度范围。
- 根据权利要求8所述的装置,其中,所述第二扫描模块通过NSA***中的第二基站扫描目标用户所在的方位角度范围包括:通过5G基站的波束天线向目标用户所在的方位角度范围发射N个第二波束,N为大于1的整数;所述5G基站基于N个第二波束遍历扫描目标用户所在的方位角度范围。
- 根据权利要求11所述的装置,其中,所述第二扫描模块包括:第二通信单元和第二分析单元:所述第二通信单元,设置为接收目标用户发送的第二波束测量信息;所述第二波束测量信息为目标用户根据第二基站发射的N个第二波束进行强度测量获得的;所述第二分析单元,设置为根据所述目标用户的第二波束测量信息,确定所述目标用户对应的最佳发射—接收波束。
- 一种基于非独立组网NSA***的波束管理装置,包括:第一测量模块,设置为接收第一基站发射的M个第一波束,并对所述M个第一波束进行强度测量,M为大于或者等于1的整数;第一反馈模块,设置为向所述第一基站反馈第一波束测量信息,所述第一波束测量信息为所述终端根据第一基站发射的M个第一波束进行强度测量获得的;第二测量模块,设置为接收第二基站发射的N个第二波束,并对所述N个第二波束进行强度测量,N为大于1的整数;第二反馈模块,设置为向所述第二基站反馈第二波束测量信息,所述第二波束测量信息为所述终端根据第一基站发射的N个第二波束进行强度测量获得的。
- 一种基于非独立组网NSA***的波束管理设备,包括存储器和处理器,所述存储器存储有程序,所述程序在被所述处理器读取执行时,实现如权利要求1至6任一所述的基于非独立组网NSA***的波束管理方法。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质存储有一个或者多个程序,所述一个或者多个程序可被一个或者多个处理器执行,以实现如权利要求1至6任一所述的基于非独立组网NSA***的波束管理方法。
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