JP2013507054A - エア・インターフェース経由でのプリコーディング・コードブックの伝送 - Google Patents
エア・インターフェース経由でのプリコーディング・コードブックの伝送 Download PDFInfo
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- JP2013507054A JP2013507054A JP2012532234A JP2012532234A JP2013507054A JP 2013507054 A JP2013507054 A JP 2013507054A JP 2012532234 A JP2012532234 A JP 2012532234A JP 2012532234 A JP2012532234 A JP 2012532234A JP 2013507054 A JP2013507054 A JP 2013507054A
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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
-
- 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
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam 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
- H04B7/0619—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
- H04B7/0613—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
- H04B7/0665—Feed forward of transmit weights to the receiver
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (10)
- エア・インターフェース経由でプリコーディング・コードブックを伝送するためのシステムであって、
少なくとも1つのアンテナを介して1組のインジケータを第2の局に信号で送るように構成された第1の局を含み、前記プリコーディング・コードブックは、信号で送られたインジケータの前記組に基づいて第2の局で得られ、インジケータの前記組は、前記プリコーディング・コードブックより少ない情報を含むシステム。 - 鏡映変換に基づいて前記第2の局でコードワードの第2の組を得られるように、インジケータの前記組は、コードワードの第1の組を含む請求項1に記載のシステム。
- インジケータの前記組は、前記プリコーディング・コードブックの複素要素のサブセットを含み、前記サブセットの各複素要素は、事前に定義された大きさまたは位相を持つ請求項1に記載のシステム。
- インジケータの前記組は、前記プリコーディング・コードブックの複素要素のサブセットを含み、前記サブセットの前記複素要素は互いに依存している請求項1に記載のシステム。
- 前記少なくとも1つのアンテナは、複数のアンテナを含み、前記複数のアンテナの第1のアンテナは、第1のアンテナ重みを割り当てられ、次のアンテナは第2の重みを割り当てられ、前記第2の重みは、前記第1のアンテナ重みおよび前のアンテナのアンテナ重みの関数である請求項4に記載のシステム。
- 前記少なくとも1つアンテナは、複数のアンテナを含み、インジケータの前記組は、前記複数のアンテナの1つのための基本位相、および前記複数のアンテナの他のアンテナのためのオフセット位相を含む請求項1に記載のシステム。
- 前記プリコーディング・コードブックは階層型コードブックであり、インジケータの前記組は、階層のレベルを示すインジケータ、および前記示されたレベルを含む行列のうちの行列の1組を含む請求項1に記載のシステム。
- 前記プリコーディング・コードブックは階層型コードブックであり、第1のコードブックへのインジケータと少なくとも1つの他のコードブックへの少なくとも1つのインジケータとの間の合成操作に基づいて前記階層型コードブックを得ることができるように、インジケータの前記組は、前記第1のコードブックへの前記インジケータ、および前記少なくとも1つの他のコードブックへの前記少なくとも1つのインジケータを含む請求項1に記載のシステム。
- 前記少なくとも1つのアンテナは、複数のアンテナを含む請求項1に記載のシステム。
- 前記第1の局は基地局であり、前記第2の局はユーザ装置である請求項1に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/585,976 | 2009-09-30 | ||
US12/585,976 US8369439B2 (en) | 2009-09-30 | 2009-09-30 | Transmission of precoding codebook over an air interface |
PCT/US2010/050521 WO2011041299A1 (en) | 2009-09-30 | 2010-09-28 | Transmission of precoding codebook over an air interface |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013507054A true JP2013507054A (ja) | 2013-02-28 |
JP5600175B2 JP5600175B2 (ja) | 2014-10-01 |
Family
ID=43264732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012532234A Expired - Fee Related JP5600175B2 (ja) | 2009-09-30 | 2010-09-28 | エア・インターフェース経由でのプリコーディング・コードブックの伝送 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8369439B2 (ja) |
EP (1) | EP2484026B1 (ja) |
JP (1) | JP5600175B2 (ja) |
KR (1) | KR101383130B1 (ja) |
CN (1) | CN102577159B (ja) |
WO (1) | WO2011041299A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015141066A1 (ja) * | 2014-03-20 | 2015-09-24 | 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 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101917365B (zh) * | 2010-08-16 | 2015-06-03 | 中兴通讯股份有限公司 | 一种码本的配置方法、装置和*** |
EP2518906B1 (en) * | 2011-04-29 | 2013-10-30 | NTT DoCoMo, Inc. | Method and apparatus for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices |
US8675762B2 (en) * | 2011-05-02 | 2014-03-18 | Alcatel Lucent | Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication |
US9313747B2 (en) * | 2011-07-01 | 2016-04-12 | Intel Corporation | Structured codebook for uniform circular array (UCA) |
EP2693654A1 (en) * | 2012-08-03 | 2014-02-05 | Alcatel Lucent | Coordinated multipoint transmission modes |
AU2013303263B2 (en) * | 2012-08-15 | 2016-07-07 | Telefonaktiebolaget L M Ericsson (Publ) | Implementing codebook subset restrictions in wireless communication systems |
EP2775563A1 (en) * | 2013-03-07 | 2014-09-10 | Alcatel Lucent | Network node and method |
US10263675B2 (en) | 2014-11-25 | 2019-04-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device for efficient precoder search |
EP3958478B1 (en) * | 2016-01-29 | 2023-11-08 | Telefonaktiebolaget LM Ericsson (publ) | Beamforming using an antenna array |
CN114124181A (zh) * | 2020-08-27 | 2022-03-01 | 中兴通讯股份有限公司 | 预编码矩阵索引确定方法、终端设备及存储介质 |
CN115941003A (zh) * | 2021-08-06 | 2023-04-07 | 华为技术有限公司 | 一种预编码处理方法及通信装置 |
Citations (5)
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JPH09200115A (ja) * | 1996-01-23 | 1997-07-31 | Toshiba Corp | 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ |
WO2008131352A1 (en) * | 2007-04-20 | 2008-10-30 | Interdigital Technology Corporation | Method and apparatus for efficient precoding information validation for mimo communications |
WO2008131593A1 (en) * | 2007-04-29 | 2008-11-06 | Huawei Technologies Co., Ltd. | Method and system for managing control information |
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EP2141824B1 (en) * | 2008-06-30 | 2012-03-07 | Alcatel Lucent | Method of assigning precoding vectors in a mobile cellular network |
KR101056614B1 (ko) * | 2008-07-30 | 2011-08-11 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
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-
2009
- 2009-09-30 US US12/585,976 patent/US8369439B2/en active Active
-
2010
- 2010-09-28 KR KR1020127010692A patent/KR101383130B1/ko active IP Right Grant
- 2010-09-28 CN CN201080043849.7A patent/CN102577159B/zh not_active Expired - Fee Related
- 2010-09-28 WO PCT/US2010/050521 patent/WO2011041299A1/en active Application Filing
- 2010-09-28 EP EP10763270.5A patent/EP2484026B1/en not_active Not-in-force
- 2010-09-28 JP JP2012532234A patent/JP5600175B2/ja not_active Expired - Fee Related
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2012
- 2012-12-19 US US13/720,226 patent/US8798186B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09200115A (ja) * | 1996-01-23 | 1997-07-31 | Toshiba Corp | 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ |
WO2008131352A1 (en) * | 2007-04-20 | 2008-10-30 | Interdigital Technology Corporation | Method and apparatus for efficient precoding information validation for mimo communications |
WO2008131593A1 (en) * | 2007-04-29 | 2008-11-06 | Huawei Technologies Co., Ltd. | Method and system for managing control information |
US20080299917A1 (en) * | 2007-05-29 | 2008-12-04 | Angeliki Alexiou | Closed-loop multiple-input-multiple-output scheme for wireless communication based on hierarchical feedback |
WO2009019892A1 (ja) * | 2007-08-09 | 2009-02-12 | Panasonic Corporation | 端末装置、基地局装置及び周波数リソース割当方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015141066A1 (ja) * | 2014-03-20 | 2015-09-24 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
JP5600175B2 (ja) | 2014-10-01 |
KR101383130B1 (ko) | 2014-04-09 |
US20130129011A1 (en) | 2013-05-23 |
EP2484026A1 (en) | 2012-08-08 |
US8369439B2 (en) | 2013-02-05 |
KR20120079120A (ko) | 2012-07-11 |
US20110075746A1 (en) | 2011-03-31 |
CN102577159B (zh) | 2015-06-03 |
WO2011041299A1 (en) | 2011-04-07 |
EP2484026B1 (en) | 2015-11-11 |
CN102577159A (zh) | 2012-07-11 |
US8798186B2 (en) | 2014-08-05 |
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