CN110622435A - 一种无线通信系统中广播波束权值的确定方法以及装置 - Google Patents

一种无线通信系统中广播波束权值的确定方法以及装置 Download PDF

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CN110622435A
CN110622435A CN201780090443.6A CN201780090443A CN110622435A CN 110622435 A CN110622435 A CN 110622435A CN 201780090443 A CN201780090443 A CN 201780090443A CN 110622435 A CN110622435 A CN 110622435A
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path loss
determining
target
spectrum
theta
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CN110622435B (zh
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种稚萌
赵建尧
冯荻
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

本申请实施例公开了一种无线通信系统中广播波束权值的确定方法以及装置。本申请实施例方法包括：获取目标小区在当前时刻的角度路损谱，所述角度路损谱包括所述目标小区中的目标基站对多个方向的信号路损值；根据所述角度路损谱确定波束角度功率谱，所述波束角度功率谱包括所述目标基站对所述多个方向的信号发射功率，在所述波束角度功率谱中，对于所述角度路损谱中信号路损值较大的方向的信号发射功率较大；根据所述波束角度功率谱确定广播波束权值；根据所述广播波束权值形成目标广播波束。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201780090443.6A 2017-05-12 2017-05-12 一种无线通信系统中广播波束权值的确定方法以及装置 Active CN110622435B (zh)

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CN113271549A (zh) * 2020-02-17 2021-08-17 中兴通讯股份有限公司 一种权值的发送方法及装置、存储介质及电子装置
CN113438658A (zh) * 2021-06-22 2021-09-24 中国联合网络通信集团有限公司 基站覆盖范围确定方法和装置
CN114978253A (zh) * 2021-02-26 2022-08-30 中国电信股份有限公司 用于广播波束优化的方法、装置以及存储介质

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CN109565648B (zh) * 2018-11-02 2022-01-18 北京小米移动软件有限公司 同步信号发送方法及装置
CN112993732B (zh) 2019-12-17 2023-04-18 华为技术有限公司 一种光放大装置以及通过光放大装置的信号放大方法
US11265752B1 (en) * 2020-07-10 2022-03-01 T-Mobile Innovations Llc Dynamic assignment of users in a dual-connectivity network using sector power ratio
US11540232B1 (en) * 2020-09-29 2022-12-27 T-Mobile Innovations Llc SPR as a criterion to determine the frequencies that would be allocated for inter-band carrier aggregation, intra-band carrier aggregation, or dynamic spectrum sharing
US11297484B1 (en) * 2020-10-20 2022-04-05 T-Mobile Innovations Llc Dynamic anchor assignment using sector power ratio

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CN114978253A (zh) * 2021-02-26 2022-08-30 中国电信股份有限公司 用于广播波束优化的方法、装置以及存储介质
CN113438658A (zh) * 2021-06-22 2021-09-24 中国联合网络通信集团有限公司 基站覆盖范围确定方法和装置

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KR20200003168A (ko) 2020-01-08
JP2020520183A (ja) 2020-07-02
WO2018205252A1 (zh) 2018-11-15
CN110622435B (zh) 2021-04-09
EP3614575A1 (en) 2020-02-26
EP3614575B1 (en) 2021-09-22
US11108477B2 (en) 2021-08-31
US20200083971A1 (en) 2020-03-12
EP3614575A4 (en) 2020-04-08

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