CN109997315A - 一种波束合成方法及装置 - Google Patents

一种波束合成方法及装置 Download PDF

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Publication number
CN109997315A
CN109997315A CN201680091199.0A CN201680091199A CN109997315A CN 109997315 A CN109997315 A CN 109997315A CN 201680091199 A CN201680091199 A CN 201680091199A CN 109997315 A CN109997315 A CN 109997315A
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CN
China
Prior art keywords
crs
wave beam
terminal
pdcch
synthesis
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Granted
Application number
CN201680091199.0A
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English (en)
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CN109997315B (zh
Inventor
高全中
严朝译
王琛
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN109997315A publication Critical patent/CN109997315A/zh
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Publication of CN109997315B publication Critical patent/CN109997315B/zh
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Classifications

    • 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
    • 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
    • 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
    • H04B7/06—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • 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

Landscapes

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

Abstract

一种波束合成方法及装置，用以提高PDCCH在特定方向的覆盖范围，并提高PDCCH解调性能。该方法为：基站基于小区参考信号CRS宽波束和N个CRS窄波束，合成N个CRS合成波束，选择所述N个CRS合成波束中的第一波束，按照所述第一波束的权值对物理下行控制信道PDCCH进行波束赋形处理，形成第二波束，发送所述第一波束和所述第二波束。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201680091199.0A 2016-11-30 2016-11-30 一种波束合成方法及装置 Active CN109997315B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/108056 WO2018098701A1 (zh) 2016-11-30 2016-11-30 一种波束合成方法及装置

Publications (2)

Publication Number Publication Date
CN109997315A true CN109997315A (zh) 2019-07-09
CN109997315B CN109997315B (zh) 2021-02-09

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US (1) US10904892B2 (zh)
EP (1) EP3531575B1 (zh)
JP (1) JP2020511801A (zh)
KR (1) KR20190073547A (zh)
CN (1) CN109997315B (zh)
WO (1) WO2018098701A1 (zh)

Cited By (1)

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CN113315555A (zh) * 2020-02-27 2021-08-27 华为技术有限公司 一种波束赋形方法以及相关装置

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US10313070B2 (en) * 2016-11-03 2019-06-04 Futurewei Technologies, Inc. Fast millimeter-wave cell acquisition
WO2018112757A1 (zh) * 2016-12-20 2018-06-28 广东欧珀移动通信有限公司 用于传输数据的方法、终端设备和网络设备
EP3593577A1 (en) * 2017-03-10 2020-01-15 Telefonaktiebolaget LM Ericsson (Publ) Managing transmission of a cell-specific reference signal
EP3609088A1 (en) * 2018-08-06 2020-02-12 Intel Corporation Techniques for analog beamforming
US10652062B2 (en) * 2018-09-20 2020-05-12 Nokia Technologies Oy Configurable waveform for beyond 52.6GHz
US11646783B2 (en) * 2018-09-24 2023-05-09 Nxp Usa, Inc. Optimal beamforming in millimeter-wave cellular networks using a single composite random access preamble
JP7250128B2 (ja) * 2018-11-16 2023-03-31 華為技術有限公司 通信方法および装置
CN111698005B (zh) * 2019-03-15 2022-07-29 华为技术有限公司 用于获取波束权值的方法和装置

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CN101779387A (zh) * 2007-08-15 2010-07-14 高通股份有限公司 用于无线通信系统中的控制信息的波束成形的方法和装置
US20130064215A1 (en) * 2011-09-12 2013-03-14 Research In Motion Limited Enhanced PDCCH with Transmit Diversity in LTE Systems
CN104885377A (zh) * 2012-12-21 2015-09-02 三星电子株式会社 在无线通信系统中通过波束成形发送和接收控制信道的方法和装置

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KR102182322B1 (ko) 2012-07-31 2020-11-25 삼성전자주식회사 무선 통신 시스템에서 빔포밍을 이용한 통신 방법 및 장치
EP3018927B1 (en) 2013-08-20 2017-10-18 Huawei Technologies Co., Ltd. Communication method and device
US9806926B2 (en) * 2013-11-04 2017-10-31 Samsung Electronics Co., Ltd. Multistage beamforming of multiple-antenna communication system
WO2015115776A1 (en) 2014-01-28 2015-08-06 Samsung Electronics Co., Ltd. Multistage beamforming of multiple-antenna communication system
CN103825664B (zh) 2014-02-21 2016-05-18 电信科学技术研究院 信道状态信息测量方法和装置、以及信号传输方法和装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113315555A (zh) * 2020-02-27 2021-08-27 华为技术有限公司 一种波束赋形方法以及相关装置
CN113315555B (zh) * 2020-02-27 2022-05-13 华为技术有限公司 一种波束赋形方法以及相关装置

Also Published As

Publication number Publication date
EP3531575A4 (en) 2019-09-18
WO2018098701A1 (zh) 2018-06-07
EP3531575B1 (en) 2020-09-16
JP2020511801A (ja) 2020-04-16
US10904892B2 (en) 2021-01-26
US20190281607A1 (en) 2019-09-12
CN109997315B (zh) 2021-02-09
KR20190073547A (ko) 2019-06-26
EP3531575A1 (en) 2019-08-28

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