JP2008510420A - 無線通信システムで時空間符号化を用いたデータ通信方法 - Google Patents
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- 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
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- 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
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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
- H04B7/0613—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
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- 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
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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
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- 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
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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
- H04B7/06—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
- H04B7/0667—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 delayed versions of same signal
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- 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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
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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
- H04L1/0618—Space-time coding
- H04L1/0625—Transmitter arrangements
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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
- H04L1/0618—Space-time coding
- H04L1/0637—Properties of the code
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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
- H04L1/0618—Space-time coding
- H04L1/0675—Space-time coding characterised by the signaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
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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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0673—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 delayed versions of same signal using feedback from receiving side
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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
- H04B7/0686—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
Abstract
【解決手段】この方法は、移動局と閉ループSTC(Space−Time Coding)通信状態にある多重アンテナを含む基地局から受信したデータを用いてチャネルの品質を測定する段階を含む。該方法はまた、前記基地局の前記多重アンテナの個数に基づいて、加重値要素を含む第1加重値行列を決定する段階を備える。前記方法はまた、既設定された条件に対応して前記第1加重値行列から、後続転送のために前記基地局の前記多重アンテナを用いてデータ出力を制御することと関連した第2加重値行列を決定する段階を備える。前記方法はまた、前記第2加重値行列と関連したSTC出力の個数を前記基地局に提供する段階を備える。
【選択図】図2
Description
Claims (20)
- 無線通信システムでのデータ通信制御方法において、
移動局と閉ループSTC(Space−Time Coding)通信状態である多重アンテナを含む基地局から受信したデータを用いてチャネルの品質を測定する段階と、
前記基地局の前記多重アンテナの個数に基づき、加重値要素を含む第1加重値行列を決定する段階と、
既設定された条件に対応して前記第1加重値行列から、後続転送のために前記基地局の前記多重アンテナを用いてデータ出力を制御することと関連した第2加重値行列を決定する段階と、
前記第2加重値行列と関連したSTC出力の個数を前記基地局に提供する段階と、
を含む、データ通信制御方法。 - 前記第2加重値行列の加重値要素のうちの少なくとも一部は、前記基地局にフィードバックされることを特徴とする、請求項1に記載のデータ通信方法。
- 前記加重値要素のうちの少なくとも一部は、チャネル品質情報チャネル(Channel Quality Information Channel:CQICH)を通じて前記基地局に転送されることを特徴とする、請求項2に記載のデータ通信方法。
- それぞれの加重値要素は、前記多重アンテナのチャネル品質と関連し、前記基地局から転送された送信電力及び信号の位相のうちの少なくとも一つの制御に用いられることを特徴とする、請求項1に記載のデータ通信方法。
- 前記STC出力は、データストリーム(stream)に対応することを特徴とする、請求項1に記載のデータ通信方法。
- 無線通信システムネットワークのデータ通信制御方法において、
移動局と閉ループSTC(space−time coding)通信状態にある多重アンテナを含む基地局で、チャネル品質を測定するのに用いるために前記移動局にデータを転送する段階と、
前記移動局から、第2加重値行列と関連したSTC出力個数を受信する段階と、
を含み、
前記移動局は、前記基地局の前記多重アンテナの個数による加重値要素を含む第1加重値行列を決定することを特徴とし、
前記移動局は、既設定された条件に対応して前記第1加重値行列から、後続転送のために前記基地局の前記多重アンテナを用いてデータ出力を制御することと関連した前記第2加重値行列を決定することを特徴とする、データ通信方法。 - 前記第2加重値行列の加重値要素のうちの少なくとも一部は、前記基地局にフィードバックされることを特徴とする、請求項6に記載のデータ通信方法。
- 前記加重値要素のうちの少なくとも一部は、チャネル品質情報チャネルを通じて前記基地局に転送されることを特徴とする、請求項7に記載のデータ通信方法。
- それぞれの加重値要素は、前記多重アンテナのチャネル品質と関連し、前記基地局から転送された送信電力及び信号の位相のうちの少なくとも一つの制御に用いられることを特徴とする、請求項6に記載のデータ通信方法。
- 前記STC出力は、データストリームに対応することを特徴とする、請求項6に記載のデータ通信方法。
- 無線通信システムでのデータ通信制御のための移動局において、
移動局と閉ループSTC(Space−Time Coding)通信状態である多重アンテナを含む基地局から受信したデータからチャネルの品質を測定する手段と、
前記基地局の前記多重アンテナ数による、加重値要素を含む第1加重値行列を決定する手段と、
既設定された条件に対応して前記第1加重値行列から、後続転送のために前記基地局の前記多重アンテナを使用してデータ出力を制御することと関連した第2加重値行列を決定する手段と、
前記第2加重値行列と関連したSTC出力の個数を前記基地局に提供する手段と、
を備える、移動局。 - 前記第2加重値行列の加重値要素のうちの少なくとも一部は、前記基地局にフィードバックされることを特徴とする、請求項11に記載の移動局。
- 前記加重値要素のうちの少なくとも一部は、チャネル品質情報チャネル(Channel Quality Information Channel:CQICH)を通じて前記基地局に転送されることを特徴とする、請求項12に記載の移動局。
- それぞれの加重値要素は、前記多重アンテナのチャネル品質と関連し、前記基地局から転送された送信電力及び信号の位相のうちの少なくとも一つの制御に使用されることを特徴とする、請求項11に記載の移動局。
- 前記STC出力は、データストリーム(stream)に対応することを特徴とする、請求項11に記載の移動局。
- 無線通信システムでデータ通信を制御するためのネットワークにおいて、
移動局と閉ループSTC(space−time coding)通信状態にある多重アンテナを含む基地局で、チャネル品質を測定するのに使用するために前記移動局にデータを転送する手段と、
前記移動局から、第2加重値行列と関連したSTC出力の個数を受信する手段と、
を備え、
前記移動局は、前記基地局の前記多重アンテナの個数による加重値要素を含む第1加重値行列を決定することを特徴とし、
前記移動局は、既設定された条件に対応して前記第1加重値行列から、後続転送のために前記基地局の前記多重アンテナを使用してデータ出力を制御することと関連した前記第2加重値行列を決定することを特徴とする、ネットワーク。 - 前記第2加重値行列の加重値要素のうちの少なくとも一部は、前記基地局にフィードバックされることを特徴とする、請求項16に記載のネットワーク。
- 前記加重値要素のうちの少なくとも一部は、チャネル品質情報チャネルを通じて前記基地局に転送されることを特徴とする、請求項16に記載のネットワーク。
- それぞれの加重値要素は、前記多重アンテナのチャネル品質と関連し、前記基地局から転送された送信電力及び信号の位相のうちの少なくとも一つの制御に用いられることを特徴とする、請求項16に記載のネットワーク。
- 前記STC出力は、データストリームに対応することを特徴とする、請求項16に記載のネットワーク。
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KR20040064549 | 2004-08-17 | ||
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KR1020040092670A KR101026889B1 (ko) | 2004-08-17 | 2004-11-12 | 폐루프 stc를 위한 정보전달방법 |
PCT/KR2005/002699 WO2006019260A2 (en) | 2004-08-17 | 2005-08-17 | Data communication in a wireless communication system using space-time coding |
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EP (1) | EP1779529A4 (ja) |
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WO2006019260A2 (en) | 2006-02-23 |
BRPI0515204A (pt) | 2008-07-08 |
KR20060019480A (ko) | 2006-03-03 |
AU2005273144A1 (en) | 2006-02-23 |
MX2007001735A (es) | 2007-04-23 |
IL181352A0 (en) | 2007-07-04 |
WO2006019260A3 (en) | 2006-03-23 |
CN101006650A (zh) | 2007-07-25 |
US20090175376A1 (en) | 2009-07-09 |
EP1779529A2 (en) | 2007-05-02 |
US20060039328A1 (en) | 2006-02-23 |
CA2576141A1 (en) | 2006-02-23 |
EP1779529A4 (en) | 2012-01-04 |
KR101026889B1 (ko) | 2011-04-04 |
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