JP7003324B2 - 下位無線基地局、空間多重ストリーム数の制御方法、制御回路およびプログラム - Google Patents

下位無線基地局、空間多重ストリーム数の制御方法、制御回路およびプログラム Download PDF

Info

Publication number
JP7003324B2
JP7003324B2 JP2021508405A JP2021508405A JP7003324B2 JP 7003324 B2 JP7003324 B2 JP 7003324B2 JP 2021508405 A JP2021508405 A JP 2021508405A JP 2021508405 A JP2021508405 A JP 2021508405A JP 7003324 B2 JP7003324 B2 JP 7003324B2
Authority
JP
Japan
Prior art keywords
base station
matrix
radio base
destination terminals
destination
Prior art date
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
JP2021508405A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020194428A1 (ja
Inventor
浩 西本
明▲徳▼ 平
彰浩 岡崎
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of JPWO2020194428A1 publication Critical patent/JPWO2020194428A1/ja
Application granted granted Critical
Publication of JP7003324B2 publication Critical patent/JP7003324B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • H04B7/024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0452Multi-user MIMO systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/28Cell structures using beam steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2021508405A 2019-03-25 2019-03-25 下位無線基地局、空間多重ストリーム数の制御方法、制御回路およびプログラム Active JP7003324B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/012390 WO2020194428A1 (fr) 2019-03-25 2019-03-25 Station de base radio de niveau inférieur et procédé de commande de nombre de flux de multiplexage spatial

Publications (2)

Publication Number Publication Date
JPWO2020194428A1 JPWO2020194428A1 (ja) 2021-09-13
JP7003324B2 true JP7003324B2 (ja) 2022-01-20

Family

ID=72610448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021508405A Active JP7003324B2 (ja) 2019-03-25 2019-03-25 下位無線基地局、空間多重ストリーム数の制御方法、制御回路およびプログラム

Country Status (2)

Country Link
JP (1) JP7003324B2 (fr)
WO (1) WO2020194428A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023135708A1 (fr) * 2022-01-13 2023-07-20 日本電気株式会社 Dispositif de commande, procédé de commande, et support d'enregistrement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015528680A (ja) 2012-09-18 2015-09-28 日本電気株式会社 Dlmu−mimo通信システムにおける伝送能力向上方法
WO2016121257A1 (fr) 2015-01-26 2016-08-04 京セラ株式会社 Dispositif de radiocommunication et procédé de commande de traitement de signal
WO2017154996A1 (fr) 2016-03-11 2017-09-14 株式会社Nttドコモ Station de base
WO2019003298A1 (fr) 2017-06-27 2019-01-03 三菱電機株式会社 Station de base radio d'ordre inférieur, station de base radio d'ordre supérieur et système de station de base radio

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015528680A (ja) 2012-09-18 2015-09-28 日本電気株式会社 Dlmu−mimo通信システムにおける伝送能力向上方法
WO2016121257A1 (fr) 2015-01-26 2016-08-04 京セラ株式会社 Dispositif de radiocommunication et procédé de commande de traitement de signal
WO2017154996A1 (fr) 2016-03-11 2017-09-14 株式会社Nttドコモ Station de base
WO2019003298A1 (fr) 2017-06-27 2019-01-03 三菱電機株式会社 Station de base radio d'ordre inférieur, station de base radio d'ordre supérieur et système de station de base radio

Also Published As

Publication number Publication date
JPWO2020194428A1 (ja) 2021-09-13
WO2020194428A1 (fr) 2020-10-01

Similar Documents

Publication Publication Date Title
RU2707735C1 (ru) Система и способ передачи информации о выборе подпространства
US10454546B2 (en) Method for precoding matrix indicator feedback and apparatus
US20190173538A1 (en) Precoding matrix determining method and apparatus
US8848631B2 (en) Wireless communication apparatus, wireless communication system, and wireless communication method
JP5129346B2 (ja) コラボラティブ多入力多出力通信システムにおけるプリコーディングされた信号を送信する方法
EP1550253B1 (fr) Systeme de communication
KR101527110B1 (ko) 분산 다중 입출력 무선통신 시스템에서 전력 제어 장치 및 방법
KR100754660B1 (ko) 통신 시스템에서 적응 변조/부호 부 채널 할당 시스템 및 방법
US8774302B2 (en) Wireless communication system and wireless communication method
US20040235433A1 (en) Determining transmit diversity order and branches
KR20100005650A (ko) 다중 셀 환경에서 사운딩 채널을 이용한 협력적 mimo 기법
US9124314B2 (en) Method and device for delivering service data
EP3753123A1 (fr) Procédé, système et appareil pour fournir des sélections de configuration d'antenne individuelles dans un réseau d'antennes mimo
JP7170863B2 (ja) アナログプリコーディング及びアナログ結合を可能にする方法
US11616542B2 (en) Channel-matrix reduction for precoding control
JP2012525757A (ja) ネットワークにおいて通信するための方法
JP7003324B2 (ja) 下位無線基地局、空間多重ストリーム数の制御方法、制御回路およびプログラム
JP6632768B2 (ja) 下位無線基地局、上位無線基地局および無線基地局システム
JP4358241B2 (ja) 空間多重伝送用送信方法及び送信装置
KR101422026B1 (ko) 다중 입출력 시스템에서, 신호를 송수신하는 방법
US10594369B2 (en) Channel information feedback method, channel information determining method, receive end device, and transmit end device
KR20240008702A (ko) 무선 통신 시스템에서 프리코딩된 pucch 신호 전송 방법 및 장치
JP2010114475A (ja) 無線通信システム
KR20190137390A (ko) 다중 사용자 다중 셀 mimo 채널의 간섭 정렬 방법
Hunukumbure et al. Uplink Post-Coding for Inter-Cell Interference Cancellation in 4G Mobile Broadband Systems

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210413

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210413

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20210413

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210720

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210907

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20211130

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20211228

R150 Certificate of patent or registration of utility model

Ref document number: 7003324

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150