WO2008126378A1 - 無線通信システム、無線通信装置及び無線通信方法 - Google Patents
無線通信システム、無線通信装置及び無線通信方法 Download PDFInfo
- Publication number
- WO2008126378A1 WO2008126378A1 PCT/JP2008/000801 JP2008000801W WO2008126378A1 WO 2008126378 A1 WO2008126378 A1 WO 2008126378A1 JP 2008000801 W JP2008000801 W JP 2008000801W WO 2008126378 A1 WO2008126378 A1 WO 2008126378A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- beam number
- radio communication
- base station
- user terminal
- radio base
- Prior art date
Links
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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- H04B7/0613—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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0641—Differential feedback
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08720668A EP2134016A1 (en) | 2007-03-30 | 2008-03-28 | Radio communication system, radio communication device, and radio communication method |
US12/532,555 US8755755B2 (en) | 2007-03-30 | 2008-03-28 | Radio communication system, radio communication apparatus, and radio communication method |
CN200880011117.2A CN101652936B (zh) | 2007-03-30 | 2008-03-28 | 无线电通信系统、无线电通信装置以及无线电通信方法 |
JP2009508899A JP5153006B2 (ja) | 2007-03-30 | 2008-03-28 | 無線通信システム、無線通信装置及び無線通信方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007094569 | 2007-03-30 | ||
JP2007-094569 | 2007-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008126378A1 true WO2008126378A1 (ja) | 2008-10-23 |
Family
ID=39863538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/000801 WO2008126378A1 (ja) | 2007-03-30 | 2008-03-28 | 無線通信システム、無線通信装置及び無線通信方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8755755B2 (ja) |
EP (1) | EP2134016A1 (ja) |
JP (1) | JP5153006B2 (ja) |
CN (1) | CN101652936B (ja) |
WO (1) | WO2008126378A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009033744A (ja) * | 2007-07-24 | 2009-02-12 | Ntt Docomo Inc | チャネルベクトル量子化に基いたスケジューリング及びプリコーディングの方法及び装置 |
CN102204115A (zh) * | 2008-11-02 | 2011-09-28 | Lg电子株式会社 | 用于在多输入输出系统中进行空间复用的预编码方法 |
JP2011223579A (ja) * | 2010-04-07 | 2011-11-04 | Toshiba Corp | チャネル状態情報フィードバックに関する二重インジケータスキーム |
CN102326338A (zh) * | 2009-02-23 | 2012-01-18 | 诺基亚公司 | 用于功能受限装置的波束成形训练 |
CN102474311A (zh) * | 2009-07-28 | 2012-05-23 | 三星电子株式会社 | 用于基于闭环变换的码本的天线波束形成的方法和装置 |
JP2012512403A (ja) * | 2008-12-17 | 2012-05-31 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 電気通信システムにおける測位 |
JP2012525796A (ja) * | 2009-04-29 | 2012-10-22 | インテル・コーポレーション | 閉ループmimoビーム形成のための差分フィードバックスキーム |
WO2015029604A1 (ja) * | 2013-09-02 | 2015-03-05 | ソニー株式会社 | 通信制御装置、通信制御方法及び端末装置 |
JP2018527802A (ja) * | 2015-07-31 | 2018-09-20 | 株式会社Nttドコモ | ビーム参照信号の送信方法、ビーム選択方法、基地局、およびユーザ端末 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101555820B1 (ko) * | 2009-12-02 | 2015-10-06 | 삼성전자주식회사 | 접속망의 클래스에 따라 비대칭적인 피드백 기법을 사용하는 계층 셀 통신 시스템 |
CN102131277B (zh) * | 2010-01-19 | 2014-11-05 | 中兴通讯股份有限公司 | 一种td-scdma系统多业务并行下的终端信道估计方法和系统 |
KR101800221B1 (ko) * | 2011-08-11 | 2017-11-22 | 삼성전자주식회사 | 무선통신 시스템에서 빔 추적 방법 및 장치 |
EP2789192A1 (en) | 2011-12-08 | 2014-10-15 | Interdigital Patent Holdings, Inc. | Method and apparatus for a millimeter wave communication system |
JP6276065B2 (ja) * | 2014-02-26 | 2018-02-07 | パナソニック株式会社 | 無線通信方法及び無線通信装置 |
JP6121931B2 (ja) * | 2014-03-20 | 2017-04-26 | 株式会社Nttドコモ | 移動通信システム、基地局、およびユーザ装置 |
JP2015185953A (ja) * | 2014-03-20 | 2015-10-22 | 株式会社Nttドコモ | ビーム選択方法、基地局、およびユーザ装置 |
WO2016065644A1 (zh) * | 2014-10-31 | 2016-05-06 | 华为技术有限公司 | 一种波束调整的方法、用户设备和基站 |
JP6618633B2 (ja) | 2016-04-07 | 2019-12-11 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 無線ネットワークノード、無線デバイス、および、それらにおいて実行される方法 |
WO2018064801A1 (en) * | 2016-10-08 | 2018-04-12 | Nokia Technologies Oy | Explicit channel state information feedback |
US10542545B2 (en) * | 2017-02-06 | 2020-01-21 | Mediatek Inc. | Beam failure recovery mechanism for multi-beam operation |
US10674383B2 (en) | 2017-07-25 | 2020-06-02 | Mediatek Inc. | Channels and procedures for beam failure recovery |
US11477824B2 (en) * | 2017-09-07 | 2022-10-18 | Futurewei Technologies, Inc. | System and method for request multiplexing |
Citations (4)
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JP2005509316A (ja) * | 2001-04-07 | 2005-04-07 | モトローラ・インコーポレイテッド | 送受信装置における多入力・多出力通信チャンネルを制御する方法およびシステム |
WO2006075453A1 (ja) * | 2005-01-14 | 2006-07-20 | Matsushita Electric Industrial Co., Ltd. | マルチアンテナ送信装置及びマルチアンテナ送信装置の再送方法 |
JP2006520109A (ja) * | 2002-01-08 | 2006-08-31 | クゥアルコム・インコーポレイテッド | Mimo−ofdm通信システムのためのリソース割り当て |
WO2006104104A1 (ja) * | 2005-03-29 | 2006-10-05 | Matsushita Electric Industrial Co., Ltd. | Mimo送信装置、mimo受信装置、および再送方法 |
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US4178550A (en) * | 1977-06-03 | 1979-12-11 | Bell Telephone Laboratories, Incorporated | Method and apparatus to permit substantial cancellation of interference between a received first and second signal |
DE19745370A1 (de) * | 1996-10-16 | 1998-04-23 | Edgar Grassmann | Verfahren und Vorrichtung zur Bestimmung einfallender Empfangsleistung oder -energie wenigstens eines Signales in wenigstens einer vorgebbaren Beobachtungsrichtung sowie Empfangsanlage |
DE60136802D1 (de) * | 2000-05-25 | 2009-01-15 | Tyco Electronics Corp | Elektrischer verbinder mit geschirmten kontakten |
EP3528575B1 (en) * | 2004-06-22 | 2020-12-16 | Apple Inc. | Enabling feedback in wireless communication networks |
US7336727B2 (en) * | 2004-08-19 | 2008-02-26 | Nokia Corporation | Generalized m-rank beamformers for MIMO systems using successive quantization |
KR100923913B1 (ko) * | 2005-11-17 | 2009-10-28 | 삼성전자주식회사 | 다중 사용자 간섭 제거 장치 및 방법 |
US8023457B2 (en) * | 2006-10-02 | 2011-09-20 | Freescale Semiconductor, Inc. | Feedback reduction for MIMO precoded system by exploiting channel correlation |
US7702029B2 (en) * | 2006-10-02 | 2010-04-20 | Freescale Semiconductor, Inc. | MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding |
-
2008
- 2008-03-28 EP EP08720668A patent/EP2134016A1/en not_active Withdrawn
- 2008-03-28 WO PCT/JP2008/000801 patent/WO2008126378A1/ja active Application Filing
- 2008-03-28 CN CN200880011117.2A patent/CN101652936B/zh active Active
- 2008-03-28 US US12/532,555 patent/US8755755B2/en active Active
- 2008-03-28 JP JP2009508899A patent/JP5153006B2/ja active Active
Patent Citations (4)
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JP2005509316A (ja) * | 2001-04-07 | 2005-04-07 | モトローラ・インコーポレイテッド | 送受信装置における多入力・多出力通信チャンネルを制御する方法およびシステム |
JP2006520109A (ja) * | 2002-01-08 | 2006-08-31 | クゥアルコム・インコーポレイテッド | Mimo−ofdm通信システムのためのリソース割り当て |
WO2006075453A1 (ja) * | 2005-01-14 | 2006-07-20 | Matsushita Electric Industrial Co., Ltd. | マルチアンテナ送信装置及びマルチアンテナ送信装置の再送方法 |
WO2006104104A1 (ja) * | 2005-03-29 | 2006-10-05 | Matsushita Electric Industrial Co., Ltd. | Mimo送信装置、mimo受信装置、および再送方法 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009033744A (ja) * | 2007-07-24 | 2009-02-12 | Ntt Docomo Inc | チャネルベクトル量子化に基いたスケジューリング及びプリコーディングの方法及び装置 |
CN102204115A (zh) * | 2008-11-02 | 2011-09-28 | Lg电子株式会社 | 用于在多输入输出系统中进行空间复用的预编码方法 |
KR101619964B1 (ko) | 2008-11-02 | 2016-05-23 | 엘지전자 주식회사 | 다중 입출력 시스템에서 공간 다중화 프리코딩 방법 |
US8842640B2 (en) | 2008-11-02 | 2014-09-23 | Lg Electronics Inc. | Pre-coding method for spatial multiplexing in multiple input and output system |
JP2012506661A (ja) * | 2008-11-02 | 2012-03-15 | エルジー エレクトロニクス インコーポレイティド | 多重入出力システムにおける空間多重化プリコーティング方法 |
JP2012512403A (ja) * | 2008-12-17 | 2012-05-31 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 電気通信システムにおける測位 |
CN102326338A (zh) * | 2009-02-23 | 2012-01-18 | 诺基亚公司 | 用于功能受限装置的波束成形训练 |
CN102326338B (zh) * | 2009-02-23 | 2014-11-05 | 诺基亚公司 | 用于功能受限装置的波束成形训练方法及装置 |
JP2012525796A (ja) * | 2009-04-29 | 2012-10-22 | インテル・コーポレーション | 閉ループmimoビーム形成のための差分フィードバックスキーム |
CN102474311A (zh) * | 2009-07-28 | 2012-05-23 | 三星电子株式会社 | 用于基于闭环变换的码本的天线波束形成的方法和装置 |
CN102474311B (zh) * | 2009-07-28 | 2015-06-17 | 三星电子株式会社 | 用于基于闭环变换的码本的天线波束形成的方法和装置 |
US8718157B2 (en) | 2010-04-07 | 2014-05-06 | Kabushiki Kaisha Toshiba | Dual indicator scheme for channel state information feedback |
JP2011223579A (ja) * | 2010-04-07 | 2011-11-04 | Toshiba Corp | チャネル状態情報フィードバックに関する二重インジケータスキーム |
WO2015029604A1 (ja) * | 2013-09-02 | 2015-03-05 | ソニー株式会社 | 通信制御装置、通信制御方法及び端末装置 |
JP2018527802A (ja) * | 2015-07-31 | 2018-09-20 | 株式会社Nttドコモ | ビーム参照信号の送信方法、ビーム選択方法、基地局、およびユーザ端末 |
Also Published As
Publication number | Publication date |
---|---|
CN101652936B (zh) | 2013-05-08 |
JPWO2008126378A1 (ja) | 2010-07-22 |
US8755755B2 (en) | 2014-06-17 |
US20100103044A1 (en) | 2010-04-29 |
EP2134016A1 (en) | 2009-12-16 |
CN101652936A (zh) | 2010-02-17 |
JP5153006B2 (ja) | 2013-02-27 |
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