JP5048083B2 - Mimo伝送技術、基地局、および移動端末を決定する方法 - Google Patents
Mimo伝送技術、基地局、および移動端末を決定する方法 Download PDFInfo
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- JP5048083B2 JP5048083B2 JP2009552222A JP2009552222A JP5048083B2 JP 5048083 B2 JP5048083 B2 JP 5048083B2 JP 2009552222 A JP2009552222 A JP 2009552222A JP 2009552222 A JP2009552222 A JP 2009552222A JP 5048083 B2 JP5048083 B2 JP 5048083B2
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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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
-
- 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
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
-
- 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
- H04B7/10—Polarisation diversity; Directional 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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback 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
- 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
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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)
Description
Claims (13)
- 少なくとも2つの偏波とともに少なくとも2つのアンテナ(12、14、16、18)を使用して、送信機(10)と受信機(30)の間の無線リンク(20)のための、少なくとも2つのMIMO伝送技術の適切な組合せを決定する方法であって、
前記適切な組合せが、ビームフォーミングと、前記少なくとも2つのMIMO伝送技術の少なくとも1つの偏波依存の方式との組合せであり、
前記適切な組合せが、前記無線リンク(20)の無線状態のうちの少なくとも1つに応じて選択され、
前記適切な組合せが、さらに、前記送信機(10)と前記受信機(30)の間の相対速度に応じて選択されることを特徴とする方法。 - 前記無線リンク(20)の無線状態のうちの少なくとも1つおよび前記送信機(10)と前記受信機(30)の間の相対速度に関するフィードバック情報を受信するステップをさらに含む、請求項1に記載の方法。
- 受信した前記フィードバック情報が詳細情報を含み、
前記詳細情報が、前記少なくとも2つのMIMO伝送技術の前記選択された適切な組合せに依存することをさらに特徴とする、請求項2に記載の方法。 - 前記適切な組合せが、1組の適切な組合せ(A、B、C)の1つであることを特徴とする、請求項1、2または3に記載の方法。
- 前記1組の適切な組合せの1つ(A)が、ビームフォーミングと偏波時間符号化を組み合わせたものであることをさらに特徴とする、請求項4に記載の方法。
- 前記1組の適切な組合せの1つ(B)が、ビームフォーミングと偏波ビームの閉ループ型コヒーレント合成を組み合わせたものであることをさらに特徴とする、請求項4または5に記載の方法。
- 前記1組の適切な組合せの1つ(C)が、ビームフォーミングと偏波多重化を組み合わせたものであることをさらに特徴とする、請求項4、5または6に記載の方法。
- 前記相対速度は、高速または低速について、1ビットだけで量子化されることを特徴とする請求項1に記載の方法。
- 前記適切な組合せは、ビームフォーミングと偏波周波数符号化との組合せであることを特徴とする請求項1に記載の方法。
- 前記送信機(20)と前記受信機(30)の間の前記相対速度を測定するステップをさらに含む、請求項1に記載の方法。
- 送信機(10)であって、
少なくとも2つの偏波とともに少なくとも2つのアンテナ(12、14、16、18)を使用して、前記送信機(10)と受信機(30)の間の無線リンク(20)のための、少なくとも2つのMIMO伝送技術の適切な組合せを決定するように構成された手段を備え、
前記適切な組合せが、ビームフォーミングと、前記少なくとも2つのMIMO伝送技術の少なくとも1つの偏波依存の方式との組合せであり、
前記適切な組合せが、前記無線リンク(20)の無線状態のうちの少なくとも1つに応じて選択され、
前記適切な組合せが、さらに、前記送信機(10)と前記受信機(30)の間の相対速度に応じて選択されることを特徴とする、送信機。 - 請求項11に記載の送信機(10)を含む基地局。
- 請求項12に記載の基地局を少なくとも1つ含む通信ネットワーク。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07300887.2 | 2007-03-21 | ||
EP07300887A EP1973238B1 (en) | 2007-03-21 | 2007-03-21 | Method for determining MIMO transmission techniques, base station and mobile terminal |
PCT/EP2008/052924 WO2008113725A1 (en) | 2007-03-21 | 2008-03-12 | Method for determining mimo transmission techniques, base station and mobile terminal |
Publications (2)
Publication Number | Publication Date |
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JP2010520691A JP2010520691A (ja) | 2010-06-10 |
JP5048083B2 true JP5048083B2 (ja) | 2012-10-17 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009552222A Active JP5048083B2 (ja) | 2007-03-21 | 2008-03-12 | Mimo伝送技術、基地局、および移動端末を決定する方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8488703B2 (ja) |
EP (1) | EP1973238B1 (ja) |
JP (1) | JP5048083B2 (ja) |
KR (1) | KR101078207B1 (ja) |
CN (1) | CN101272169B (ja) |
AT (1) | ATE500659T1 (ja) |
AU (1) | AU2008228317B2 (ja) |
DE (1) | DE602007012826D1 (ja) |
ES (1) | ES2361200T3 (ja) |
WO (1) | WO2008113725A1 (ja) |
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WO2011090420A1 (en) | 2010-01-20 | 2011-07-28 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and devices for uplink transmit diversity |
JP5757994B2 (ja) * | 2010-04-20 | 2015-08-05 | テレコム・イタリア・エッセ・ピー・アー | ワイヤレス通信の方法及びシステム、対応するネットワーク及びコンピュータプログラム製品 |
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JP5736298B2 (ja) * | 2011-10-21 | 2015-06-17 | 株式会社日立製作所 | 無線基地局装置及び干渉制御方法 |
WO2014073654A1 (ja) * | 2012-11-12 | 2014-05-15 | 日本放送協会 | 伝送システム及び受信装置 |
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WO2016001951A1 (ja) | 2014-07-02 | 2016-01-07 | ソフトバンク株式会社 | 送信制御装置及びプログラム |
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JP6452597B2 (ja) * | 2015-12-01 | 2019-01-16 | 三菱電機株式会社 | 基地局装置 |
EP3430734B1 (en) * | 2016-03-17 | 2020-04-22 | Sony Mobile Communications Inc. | Adjusting sending parameters of an antenna arrangement of a communication device |
CN107733592B (zh) | 2016-08-10 | 2020-11-27 | 华为技术有限公司 | 传输方案指示方法、数据传输方法、装置及*** |
KR20180098032A (ko) * | 2017-02-24 | 2018-09-03 | 삼성전자주식회사 | 무선 통신 시스템에서 기준 신호를 전송하기 위한 장치 및 방법 |
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- 2007-03-21 ES ES07300887T patent/ES2361200T3/es active Active
- 2007-03-21 AT AT07300887T patent/ATE500659T1/de not_active IP Right Cessation
- 2007-03-21 EP EP07300887A patent/EP1973238B1/en active Active
- 2007-03-21 DE DE602007012826T patent/DE602007012826D1/de active Active
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- 2008-03-12 JP JP2009552222A patent/JP5048083B2/ja active Active
- 2008-03-12 WO PCT/EP2008/052924 patent/WO2008113725A1/en active Application Filing
- 2008-03-12 KR KR1020097019502A patent/KR101078207B1/ko active IP Right Grant
- 2008-03-12 AU AU2008228317A patent/AU2008228317B2/en not_active Ceased
- 2008-03-20 CN CN200810086771.1A patent/CN101272169B/zh active Active
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Publication number | Publication date |
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KR101078207B1 (ko) | 2011-11-01 |
ES2361200T3 (es) | 2011-06-14 |
EP1973238B1 (en) | 2011-03-02 |
ATE500659T1 (de) | 2011-03-15 |
CN101272169A (zh) | 2008-09-24 |
WO2008113725A1 (en) | 2008-09-25 |
CN101272169B (zh) | 2015-08-05 |
US8488703B2 (en) | 2013-07-16 |
AU2008228317B2 (en) | 2011-05-26 |
DE602007012826D1 (de) | 2011-04-14 |
JP2010520691A (ja) | 2010-06-10 |
KR20090113892A (ko) | 2009-11-02 |
AU2008228317A1 (en) | 2008-09-25 |
EP1973238A1 (en) | 2008-09-24 |
US20080232502A1 (en) | 2008-09-25 |
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