JP2010161800A - 無線通信移動局装置、無線通信基地局装置およびcqi報告方法 - Google Patents
無線通信移動局装置、無線通信基地局装置およびcqi報告方法 Download PDFInfo
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- 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
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- 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]
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- 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
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
- H04L1/0035—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter evaluation of received explicit signalling
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
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- 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
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
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- 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
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- 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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
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Abstract
【解決手段】グループ制御部(107)は、パタン情報に従って、複数のサブキャリアグループにおいてCQI報告対象のサブキャリアグループを周期的に変化させる制御を行う。例えば、グループ制御部(107)は、フレーム毎またはTTI(Transmission Time Interval)毎にCQI報告対象のサブキャリアグループを変化させる。また、グループ制御部(107)は、各フレーム毎に、CQI報告対象のサブキャリアグループを、SINR検出部(108)およびCQI生成部(109)に指示する。
【選択図】図1
Description
Claims (7)
- 周波数領域において連続する複数のサブキャリアをグループ化した複数のグループ毎に、CQIを生成する生成部と、
基地局装置から送信されたパタン情報を受信する受信部と、
前記グループ毎の前記CQIを、前記パタン情報に従って報告する報告部と、
を有する移動局装置。 - 前記パタン情報は、前記CQIの報告の周期又はタイミングを示す、
請求項1に記載の移動局装置。 - 前記パタン情報は、移動局装置毎に設定されている、
請求項1又は2に記載の移動局装置。 - 前記パタン情報は、他の移動局装置とは異なる、
請求項1から3のいずれかに記載の移動局装置。 - 請求項1から4のいずれかに記載の移動局装置から送信された前記CQIを受信する受信部を有する基地局装置。
- 移動局装置に、パタン情報を送信する送信部と、
前記移動局装置において、周波数領域において連続する複数のサブキャリアをグループ化した複数のグループ毎に生成されたCQIであって、前記パタン情報に従って報告された前記CQIを受信する受信部と、
を有する基地局装置。 - 周波数領域において連続する複数のサブキャリアをグループ化した複数のグループ毎に、CQIを生成する工程と、
基地局装置から送信されたパタン情報を受信する工程と、
前記グループ毎の前記CQIを、前記パタン情報に従って報告する工程と、
を有するCQI報告方法。
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JP2010059394A Active JP4768866B2 (ja) | 2005-08-19 | 2010-03-16 | 基地局装置およびcqi受信方法 |
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EP (2) | EP2391049B1 (ja) |
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KR (2) | KR101239600B1 (ja) |
CN (2) | CN101243632B (ja) |
BR (2) | BRPI0614849B1 (ja) |
CA (1) | CA2618616C (ja) |
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