JP5288798B2 - 無線通信システムで高速フィードバックチャネルを設定して情報を伝送する方法 - Google Patents
無線通信システムで高速フィードバックチャネルを設定して情報を伝送する方法 Download PDFInfo
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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
- H04B7/0615—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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- 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
-
- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Electromagnetism (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (12)
- 無線通信システムで基地局(BS)において情報を伝送する方法であって、
前記方法は、
移動加入者局(MSS)に関連した下り回線高速フィードバックチャネルのための物理資源を割り当てることであって、前記下り回線高速フィードバックチャネルのための物理資源は、データチャネルのための物理資源とは異なり、前記下り回線高速フィードバックチャネルのための物理資源の基本割当単位は、6個のサブグループに分けられ、前記サブグループの各々は、8個の副搬送波を含む、ことと、
上り回線チャネルを通じて前記MSSからデータを受信することと、
前記受信されたデータに基づいて前記上り回線チャネルの品質を決定することと、
前記下り回線高速フィードバックチャネルに対する変調パターンを設定することであって、前記変調パターンは、前記上り回線チャネルの前記決定された品質に基づいたフィードバック情報に対応する、ことと、
前記下り回線高速フィードバックチャネルを通じて前記MSSに前記変調パターンを伝送することと
を含み、
前記変調パターンは、前記サブグループの各々に対応するベクトルインデックスを含み、
前記ベクトルインデックスは、前記サブグループ内に含まれる前記8個の副搬送波の各々に適用される変調スキームを示し、
前記変調パターンは、互いに対して直交する関係を有する、方法。 - 前記フィードバック情報は、前記上り回線チャネルのチャネル品質情報(CQI)を含む、請求項1に記載の方法。
- 前記フィードバック情報は、加重値を含む、請求項1に記載の方法。
- 前記フィードバック情報は、チャネル品質情報(CQI)及び加重値の組合せを含む、請求項1に記載の方法。
- 無線通信システムで移動加入者局(MSS)において情報を受信する方法であって、
前記方法は、
上り回線チャネルを通じて基地局(BS)にデータを伝送することと、
前記MSSに関連した下り回線高速フィードバックチャネルを介して前記BSから変調パターンを受信することであって、前記変調パターンは、前記下り回線高速フィードバックチャネルに対して設定されており、前記下り回線高速フィードバックチャネルのための物理資源は、データチャネルのための物理資源とは異なり、前記変調パターンは、フィードバック情報に対応し、前記下り回線高速フィードバックチャネルのための物理資源の基本割当単位は、6個のサブグループに分けられ、前記サブグループの各々は、8個の副搬送波を含む、ことと、
前記変調パターンに従ってどのフィードバック情報が前記BSから伝送されたかを決定することであって、前記変調パターンは、前記上り回線チャネルの品質に基づき、前記上り回線チャネルの品質は、前記伝送されたデータに基づいて決定される、ことと
を含み、
前記変調パターンは、前記サブグループの各々に対応するベクトルインデックスを含み、
前記ベクトルインデックスは、前記サブグループ内に含まれる前記8個の副搬送波の各々に適用される変調スキームを示し、
前記変調パターンは、互いに対して直交する関係を有する、方法。 - 前記フィードバック情報は、前記上り回線チャネルのチャネル品質情報(CQI)を含む、請求項5に記載の方法。
- 前記フィードバック情報は、加重値を含む、請求項5に記載の方法。
- 前記フィードバック情報は、チャネル品質情報(CQI)及び加重値の組合せを含む、請求項5に記載の方法。
- 無線通信システムで情報を伝送及び受信する方法であって、
前記方法は、
基地局(BS)によって、移動加入者局(MSS)に関連した下り回線高速フィードバックチャネルのための物理資源を割り当てることであって、前記下り回線高速フィードバックチャネルのための物理資源は、データチャネルのための物理資源とは異なり、前記下り回線高速フィードバックチャネルのための物理資源の基本割当単位は、6個のサブグループに分けられ、前記サブグループの各々は、8個の副搬送波を含む、ことと、
上り回線チャネルを通じて移動加入者局(MSS)によって前記BSにデータを伝送することと、
前記BSによって、前記上り回線チャネルを通じて前記MSSから前記伝送されたデータを受信することと、
前記BSによって前記受信されたデータに基づいて前記上り回線チャネルの品質を決定することと、
前記BSによって、前記下り回線高速フィードバックチャネルに対する変調パターンを設定することであって、前記変調パターンは、フィードバック情報に対応し、前記フィードバック情報は、前記上り回線チャネルの品質に基づき、前記上り回線チャネルの品質は、前記伝送されたデータに基づいて決定される、ことと、
前記BSによって前記MSSに前記下り回線高速フィードバックチャネルを通じてフィードバック情報を伝送することと、
前記MSSによって、前記BSから前記伝送されたフィードバック情報を受信することと
を含み、
前記変調パターンは、前記サブグループの各々に対応するベクトルインデックスを含み、
前記ベクトルインデックスは、前記サブグループ内に含まれる前記8個の副搬送波の各々に適用される変調スキームを示し、
前記変調パターンは、互いに対して直交する関係を有する、方法。 - 前記フィードバック情報は、上り回線チャネルのチャネル品質情報(CQI)を含む、請求項9に記載の方法。
- 前記フィードバック情報は、加重値を含む、請求項9に記載の方法。
- 前記フィードバック情報は、チャネル品質情報(CQI)及び加重値の組合せを含む、請求項9に記載の方法。
Applications Claiming Priority (5)
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KR10-2004-0064553 | 2004-08-17 | ||
KR10-2004-0064542 | 2004-08-17 | ||
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JP2008510421A JP2008510421A (ja) | 2008-04-03 |
JP5288798B2 true JP5288798B2 (ja) | 2013-09-11 |
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US (1) | US7907950B2 (ja) |
EP (1) | EP1790088B1 (ja) |
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-
2005
- 2005-08-17 JP JP2007527050A patent/JP5288798B2/ja not_active Expired - Fee Related
- 2005-08-17 EP EP05776004.3A patent/EP1790088B1/en not_active Not-in-force
- 2005-08-17 WO PCT/KR2005/002703 patent/WO2006019263A2/en active Application Filing
- 2005-08-17 US US11/573,686 patent/US7907950B2/en not_active Expired - Fee Related
Also Published As
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EP1790088A2 (en) | 2007-05-30 |
US20080119213A1 (en) | 2008-05-22 |
US7907950B2 (en) | 2011-03-15 |
WO2006019263A3 (en) | 2007-08-09 |
EP1790088A4 (en) | 2014-04-23 |
EP1790088B1 (en) | 2015-09-30 |
WO2006019263A2 (en) | 2006-02-23 |
JP2008510421A (ja) | 2008-04-03 |
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