CN111903065B - 基站以及发送方法 - Google Patents

基站以及发送方法 Download PDF

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Publication number: CN111903065B
Authority: CN; China
Prior art keywords: base station; channel estimation; transmission; user terminal; antenna element
Prior art date: 2018-03-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

CN201980021579.0A

Other languages

English (en)

Chinese (zh)

Other versions

CN111903065A (zh

Inventor

奥山达树

须山聪

奥村幸彦

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NTT Docomo Inc

Original Assignee

NTT Docomo Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2018-03-23

Filing date

2019-03-22

Publication date

2023-12-05

2019-03-22 Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc

2020-11-06 Publication of CN111903065A publication Critical patent/CN111903065A/zh

2023-12-05 Application granted granted Critical

2023-12-05 Publication of CN111903065B publication Critical patent/CN111903065B/zh

Status Active legal-status Critical Current

2039-03-22 Anticipated expiration legal-status Critical

Links

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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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] 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
- 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
- H04B7/0452—Multi-user MIMO 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- 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

Landscapes

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

CN201980021579.0A 2018-03-23 2019-03-22 基站以及发送方法 Active CN111903065B (zh)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2018-056839		2018-03-23
JP2018056839		2018-03-23
PCT/JP2019/012178 WO2019182134A1 (ja)	2018-03-23	2019-03-22	基地局及び送信方法

Publications (2)

Publication Number	Publication Date
CN111903065A CN111903065A (zh)	2020-11-06
CN111903065B true CN111903065B (zh)	2023-12-05

Family

ID=67987853

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CN201980021579.0A Active CN111903065B (zh)	2018-03-23	2019-03-22	基站以及发送方法

Country Status (3)

Country	Link
JP (1)	JP7261223B2 (ja)
CN (1)	CN111903065B (ja)
WO (1)	WO2019182134A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2023135708A1 (ja) *	2022-01-13	2023-07-20	日本電気株式会社	制御装置、制御方法、及び、記録媒体

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FR2755565A1 (fr) *	1996-11-07	1998-05-07	France Telecom	Procede d'emission par une station de base equipee d'une antenne a plusieurs capteurs vers un mobile
WO2011040258A1 (ja) *	2009-10-02	2011-04-07	シャープ株式会社	無線通信システム、通信装置、無線通信方法および端末装置
JP2013128325A (ja) *	2013-03-07	2013-06-27	Fujitsu Ltd	パイロット制御方法
CN103814530A (zh) *	2011-09-19	2014-05-21	阿尔卡特朗讯	用于波束成形来自具有多个天线的网络元件的发射的方法及所述网络元件
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CN104796183A (zh) *	2008-09-04	2015-07-22	阿尔卡特朗讯	用于在天线元件布置处进行多天线信号处理的方法、对应的收发器和对应的天线元件布置
WO2016048089A1 (ko) *	2014-09-25	2016-03-31	엘지전자 주식회사	채널 추정을 수행하기 위한 방법 및 이를 위한 장치
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CN103036839B (zh) *	2007-08-20	2015-09-30	瑞登有限责任公司	Mu-mas、无线客户装置及在mu-mas中实施的方法
US8948293B2 (en) *	2011-04-20	2015-02-03	Texas Instruments Incorporated	Downlink multiple input multiple output enhancements for single-cell with remote radio heads
JP6412796B2 (ja) *	2014-12-26	2018-10-24	西日本旅客鉄道株式会社	直流電圧の停電確認器および直流電圧の停電確認方法
US10299165B2 (en) *	2014-12-30	2019-05-21	Ntt Docomo, Inc.	Method and apparatus for user/base-station signaling and association achieving load balancing across wireless multi-band heterogeneous networks
US9917628B2 (en) *	2015-01-16	2018-03-13	RF DSP Inc.	Beamforming in a MU-MIMO wireless communication system with relays
CN108713295B (zh) *	2016-01-13	2021-07-06	瑞典爱立信有限公司	用于多用户大规模mimo***的实用混合预编码方案

2019
- 2019-03-22 CN CN201980021579.0A patent/CN111903065B/zh active Active
- 2019-03-22 JP JP2020507947A patent/JP7261223B2/ja active Active
- 2019-03-22 WO PCT/JP2019/012178 patent/WO2019182134A1/ja active Application Filing

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FR2755565A1 (fr) *	1996-11-07	1998-05-07	France Telecom	Procede d'emission par une station de base equipee d'une antenne a plusieurs capteurs vers un mobile
CN104796183A (zh) *	2008-09-04	2015-07-22	阿尔卡特朗讯	用于在天线元件布置处进行多天线信号处理的方法、对应的收发器和对应的天线元件布置
WO2011040258A1 (ja) *	2009-10-02	2011-04-07	シャープ株式会社	無線通信システム、通信装置、無線通信方法および端末装置
CN103814530A (zh) *	2011-09-19	2014-05-21	阿尔卡特朗讯	用于波束成形来自具有多个天线的网络元件的发射的方法及所述网络元件
CN103905104A (zh) *	2012-12-28	2014-07-02	中兴通讯股份有限公司	一种根据探测参考信号的多天线发送方法及终端及基站
JP2013128325A (ja) *	2013-03-07	2013-06-27	Fujitsu Ltd	パイロット制御方法
WO2016048089A1 (ko) *	2014-09-25	2016-03-31	엘지전자 주식회사	채널 추정을 수행하기 위한 방법 및 이를 위한 장치
WO2017169111A1 (ja) *	2016-03-31	2017-10-05	ソニー株式会社	基地局、端末装置、及び通信方法

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Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN);3rd Generation Partnership Project;3GPP TS 36.300 V8.12.0;全文 *

Also Published As

Publication number	Publication date
WO2019182134A1 (ja)	2019-09-26
JPWO2019182134A1 (ja)	2021-04-08
CN111903065A (zh)	2020-11-06
JP7261223B2 (ja)	2023-04-19

Legal Events

Date	Code	Title
2020-11-06	PB01	Publication
2020-11-06	PB01	Publication
2021-02-12	SE01	Entry into force of request for substantive examination
2021-02-12	SE01	Entry into force of request for substantive examination
2023-12-05	GR01	Patent grant
2023-12-05	GR01	Patent grant

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