JP2006500852A - Mimoシステムにおけるパケット・データ送信 - Google Patents
Mimoシステムにおけるパケット・データ送信 Download PDFInfo
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- H04W72/50—Allocation or scheduling criteria for wireless resources
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- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Communication Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
s.hsA+i.hiA+s.a.hsB+i.a.hiB
ノイズがない場合、干渉解消は下記を選択することによって得られる。
a=−hiA/hiB
この場合、所望の信号は下記となる。
s(hsA−(hsB.hiA/hiB))
Claims (13)
- 複数のアンテナを有する1次局と、複数のアンテナを有する少なくとも1つの2次局とを含むパケット・データ送信システムを運用する方法であって、1次局のアンテナと2次局のアンテナのペアの間の信号パス上にパケット・データを送信する1次局と、その無線通信環境をモニタして、その無線通信環境に関する情報を前記1次局へ送信する2次局と、この情報に応答してそれ自体を適合させる1次局と、受信されたデータおよび干渉を処理するためにその受信機リソースを構成する2次局とを含む方法。
- 前記2次局が、前記1次局がそれ自体をどのように適合させるべきかを前記1次局に推奨することを特徴とする、請求項1に記載の方法。
- 前記2次局が、前記1次局がパケット・データの送信用にアンテナの特定のサブセットを使用するように推奨することを特徴とする、請求項2に記載の方法。
- 前記2次局が、前記1次局によって使用される受信可能な送信アンテナの所望の最大数を推奨することを特徴とする、請求項2または3に記載の方法。
- 前記2次局が、前記1次局によって使用される送信フォーマットを推奨することを特徴とする、請求項2から4のいずれか一項に記載の方法。
- 前記1次局が、前記2次局によって推奨されるようにそれ自体を適合させることを特徴とする、請求項2から5のいずれか一項に記載の方法。
- 前記2次局が、パケット・データの受信用に使用するリソース、および干渉の抑止用に使用するリソースを決定することを特徴とする、請求項1から6のいずれか一項に記載の方法。
- 前記2次局が、前記1次局のアンテナと前記2次局のアンテナの間の前記パスの伝達関数をモニタすることを特徴とする、請求項1から7のいずれか一項に記載の方法。
- 前記2次局の前記無線通信環境に関する前記情報が、前記2次局の1つまたは複数のアンテナに存在する前記干渉の特性を含むことを特徴とする、請求項1から8のいずれか一項に記載の方法。
- 複数のアンテナと、信号送受信手段と、2次局からの受信信号に応答してそれ自体を適合させるための手段とを有する1次局、ならびに信号送受信手段と、複数のアンテナと、その無線通信環境をモニタして、その無線通信環境に関する情報を含む信号を送信するための手段と、前記適合された1次局から受信されたデータ信号および干渉を処理するためにその受信機リソースを構成するための手段とを有する少なくとも1つの2次局を含むパケット・データ送信システム。
- 前記モニタする手段が、前記1次局と2次局の間の前記無線パスの前記伝達関数を決定するための手段を含むことを特徴とする、請求項9に記載のシステム。
- 複数のアンテナと、信号送受信手段とを有する1次局、ならびに信号送受信手段と、複数のアンテナ、およびその無線通信環境をモニタして、その無線通信環境に関する情報を含む信号を送信するための手段と、受信されたデータ信号および干渉を処理するためにその受信機リソースを構成するための手段とを有する2次局を含むパケット・データ送信システムにおいて使用するための2次局。
- 複数のアンテナと、信号送受信手段と、2次局からの受信信号に応答して前記2次局へ送信された信号の送信モードを適合させるための手段とを含む、パケット・データ送信システムにおいて使用するための1次局。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0222555.5 | 2002-09-28 | ||
GBGB0222555.5A GB0222555D0 (en) | 2002-09-28 | 2002-09-28 | Packet data transmission system |
PCT/IB2003/003985 WO2004030238A1 (en) | 2002-09-28 | 2003-09-12 | Packet data transmission in a mimo system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006500852A true JP2006500852A (ja) | 2006-01-05 |
JP4689271B2 JP4689271B2 (ja) | 2011-05-25 |
Family
ID=9944941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004539296A Expired - Lifetime JP4689271B2 (ja) | 2002-09-28 | 2003-09-12 | Mimoシステムにおけるパケット・データ送信 |
Country Status (10)
Country | Link |
---|---|
US (2) | US9178600B2 (ja) |
EP (1) | EP1547275B1 (ja) |
JP (1) | JP4689271B2 (ja) |
KR (1) | KR101224347B1 (ja) |
CN (1) | CN1685631B (ja) |
AT (1) | ATE455402T1 (ja) |
AU (1) | AU2003259509A1 (ja) |
DE (1) | DE60330975D1 (ja) |
GB (1) | GB0222555D0 (ja) |
WO (1) | WO2004030238A1 (ja) |
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GB0222555D0 (en) | 2002-11-06 |
US20160073419A1 (en) | 2016-03-10 |
CN1685631B (zh) | 2010-12-08 |
ATE455402T1 (de) | 2010-01-15 |
EP1547275B1 (en) | 2010-01-13 |
WO2004030238A1 (en) | 2004-04-08 |
US9178600B2 (en) | 2015-11-03 |
US20060046662A1 (en) | 2006-03-02 |
CN1685631A (zh) | 2005-10-19 |
JP4689271B2 (ja) | 2011-05-25 |
DE60330975D1 (ja) | 2010-03-04 |
KR20050060076A (ko) | 2005-06-21 |
KR101224347B1 (ko) | 2013-03-19 |
US10645709B2 (en) | 2020-05-05 |
AU2003259509A1 (en) | 2004-04-19 |
EP1547275A1 (en) | 2005-06-29 |
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