JP2013527654A - 変換装置および方法 - Google Patents
変換装置および方法 Download PDFInfo
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- JP2013527654A JP2013527654A JP2013502980A JP2013502980A JP2013527654A JP 2013527654 A JP2013527654 A JP 2013527654A JP 2013502980 A JP2013502980 A JP 2013502980A JP 2013502980 A JP2013502980 A JP 2013502980A JP 2013527654 A JP2013527654 A JP 2013527654A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
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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
- 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
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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
- 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
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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
- 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
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
- H04L2025/03808—Transmission of equaliser coefficients
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Complex Calculations (AREA)
Abstract
【数1】
であり、Hは、行列の共役転置を示す第1の変換ユニット、および/または受信機からフィードバックされる長期的な広帯域の伝送空間相関行列を使用することによって、長期的な広帯域のビームフォーミング行列またはプリコーディング行列を直接取得するための第2の変換ユニットを含む。本発明の技術的解決法によると、対応する変換方法および装置も提供される。
Description
Claims (15)
- 前記第1の変換ユニットは、前記受信機からフィードバックされる追加情報を使用して、前記長期的な広帯域の空間相関行列の推定を修正し、それにより変換精度を改善する請求項1に記載の変換装置。
- マルチユーザ多入力多出力/多入力単一出力の無線通信システムについて、前記第2の変換ユニットは、グループから選択されたアルゴリズムを用いて、前記長期的な広帯域の伝送空間相関行列を使用して、前記プリコーディング行列を直接生成し、前記グループは信号対漏洩雑音比アルゴリズムを含む請求項1に記載の変換装置。
- シングルユーザ多入力多出力/多入力単一出力の無線通信システムについて、前記第2の変換ユニットは、前記長期的な広帯域のビームフォーミング行列が、前記長期的な広帯域の空間相関行列の複数の固有ベクトルから構成される;前記複数の固有ベクトルが、前記固有ベクトルの固有値により降順に選択される;前記選択された固有ベクトルの数が、同じユーザに送信されるストリームの数に依存する、という方法により、前記長期的な広帯域のビームフォーミング行列を決定する請求項1に記載の変換装置。
- 前記第1の変換ステップにおいて、前記長期的な広帯域の空間相関行列の推定は、前記受信機からフィードバックされる追加情報を使用することによって修正され、それにより変換精度を改善する請求項9に記載の変換方法。
- 前記第2の変換ステップにおいて、マルチユーザ多入力多出力/多入力単一出力の無線通信システムについて、前記プリコーディング行列は、グループから選択されたアルゴリズムを用いて、前記長期的な広帯域の伝送空間相関行列を使用して直接生成され、前記グループは信号対漏洩雑音比アルゴリズムを含む請求項8に記載の変換方法。
- 前記第2の変換ステップにおいて、シングルユーザ多入力多出力/多入力単一出力の無線通信システムについて、前記長期的な広帯域のビームフォーミング行列は、前記長期的な広帯域のビームフォーミング行列が、前記長期的な広帯域の空間相関行列の複数の固有ベクトルから構成される;前記複数の固有ベクトルが、前記固有ベクトルの固有値により降順に選択される;前記選択された固有ベクトルの数が、同じユーザに送信されるストリームの数に依存する、という方法により決定することができる請求項8に記載の変換装置。
- 請求項1乃至7のいずれか1項に記載の変換装置を含むデバイスであって、
基地局、ユーザ装置、および中継機器から選択された任意の1つであるデバイス。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2010/071593 WO2011124023A1 (zh) | 2010-04-07 | 2010-04-07 | 转换装置和方法 |
Publications (2)
Publication Number | Publication Date |
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JP2013527654A true JP2013527654A (ja) | 2013-06-27 |
JP5507001B2 JP5507001B2 (ja) | 2014-05-28 |
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JP2013502980A Expired - Fee Related JP5507001B2 (ja) | 2010-04-07 | 2010-04-07 | 変換装置および方法 |
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US (1) | US8989292B2 (ja) |
EP (1) | EP2557720B1 (ja) |
JP (1) | JP5507001B2 (ja) |
KR (1) | KR101426722B1 (ja) |
CN (1) | CN102725992B (ja) |
BR (1) | BR112012025247A2 (ja) |
WO (1) | WO2011124023A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015142285A (ja) * | 2014-01-29 | 2015-08-03 | 日本電信電話株式会社 | 無線通信方法、無線通信システムおよび制御局装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103973409A (zh) * | 2013-01-31 | 2014-08-06 | 富士通株式会社 | 预编码装置和包含该预编码装置的发射机 |
CN106452539B (zh) * | 2015-08-05 | 2020-02-04 | 上海诺基亚贝尔股份有限公司 | 混合波束赋形方法和装置 |
CN107370525B (zh) | 2016-05-12 | 2021-03-30 | 华为技术有限公司 | 用于信道状态信息反馈的方法、基站、终端设备及系统 |
EP3446416B1 (en) * | 2016-05-13 | 2020-11-04 | Huawei Technologies Co., Ltd. | Precoding and channel state information acquisition for multi-stream transmissions in massive mimo systems |
US11336349B2 (en) | 2020-05-13 | 2022-05-17 | Semiconductor Components Industries, Llc | Steering matrix derivation |
Citations (1)
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JP2012520040A (ja) * | 2009-03-12 | 2012-08-30 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 無線通信システムにおけるチャネル情報フィードバックのためのシステムおよび方法 |
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KR101124932B1 (ko) * | 2005-05-30 | 2012-03-28 | 삼성전자주식회사 | 어레이 안테나를 이용하는 이동 통신 시스템에서의 데이터송/수신 장치 및 방법 |
CN100547945C (zh) * | 2006-03-27 | 2009-10-07 | 普天信息技术研究院 | 一种下行波束赋形的方法及装置 |
KR101066151B1 (ko) * | 2006-08-17 | 2011-09-20 | 인터디지탈 테크날러지 코포레이션 | Mimo 무선 통신 시스템에서 효율적인 프리코딩 피드백을 제공하기 위한 방법 및 장치 |
US8081700B2 (en) * | 2008-06-06 | 2011-12-20 | Redpine Signals, Inc. | Power allocation method for MIMO transmit beamforming |
CN101369871A (zh) * | 2008-10-16 | 2009-02-18 | 上海交通大学 | 基于有限反馈的多用户mimo系统预编码方法和装置 |
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2010
- 2010-04-07 CN CN201080062403.9A patent/CN102725992B/zh active Active
- 2010-04-07 BR BR112012025247A patent/BR112012025247A2/pt active Search and Examination
- 2010-04-07 WO PCT/CN2010/071593 patent/WO2011124023A1/zh active Application Filing
- 2010-04-07 JP JP2013502980A patent/JP5507001B2/ja not_active Expired - Fee Related
- 2010-04-07 US US13/639,580 patent/US8989292B2/en not_active Expired - Fee Related
- 2010-04-07 EP EP10849260.4A patent/EP2557720B1/en active Active
- 2010-04-07 KR KR1020127027457A patent/KR101426722B1/ko active IP Right Grant
Patent Citations (1)
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JP2012520040A (ja) * | 2009-03-12 | 2012-08-30 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 無線通信システムにおけるチャネル情報フィードバックのためのシステムおよび方法 |
Non-Patent Citations (2)
Title |
---|
CSNC201110015097; Huawei: 'Adaptive Codebook Designs for DL MU-MIMO' 3GPP TSG-RAN WG1 Meeting #57b R1-092389, 20080629 * |
JPN6013047467; Huawei: 'Adaptive Codebook Designs for DL MU-MIMO' 3GPP TSG-RAN WG1 Meeting #57b R1-092389, 20080629 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015142285A (ja) * | 2014-01-29 | 2015-08-03 | 日本電信電話株式会社 | 無線通信方法、無線通信システムおよび制御局装置 |
Also Published As
Publication number | Publication date |
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EP2557720A1 (en) | 2013-02-13 |
BR112012025247A2 (pt) | 2016-06-21 |
JP5507001B2 (ja) | 2014-05-28 |
CN102725992B (zh) | 2016-03-23 |
CN102725992A (zh) | 2012-10-10 |
KR20120131224A (ko) | 2012-12-04 |
WO2011124023A1 (zh) | 2011-10-13 |
US20130022141A1 (en) | 2013-01-24 |
US8989292B2 (en) | 2015-03-24 |
EP2557720A4 (en) | 2016-04-20 |
KR101426722B1 (ko) | 2014-08-13 |
EP2557720B1 (en) | 2020-02-26 |
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