JP4768866B2 - 基地局装置およびcqi受信方法 - Google Patents
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- JP4768866B2 JP4768866B2 JP2010059394A JP2010059394A JP4768866B2 JP 4768866 B2 JP4768866 B2 JP 4768866B2 JP 2010059394 A JP2010059394 A JP 2010059394A JP 2010059394 A JP2010059394 A JP 2010059394A JP 4768866 B2 JP4768866 B2 JP 4768866B2
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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]
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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
- H04L1/0001—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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- 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
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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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
- H04L1/0001—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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- 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
- H04L5/0037—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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- 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 signalling, i.e. of overhead other than pilot signals
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- 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 signalling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- 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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- 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—Signalling for the administration of the divided path, e.g. signalling of configuration information
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- 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—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0096—Indication of changes in allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- 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
- H04L1/0002—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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- 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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (14)
- 周波数領域において連続する複数のサブキャリアを用いて、スケジューリングされたデータを移動局装置に送信し、前記複数のサブキャリアを分けた複数のグループ毎のCQIであって、前記スケジューリングのために前記移動局装置から一つずつ非連続かつ所定間隔で離れた時間リソースで所定の周期に従って順に報告され、かつ、それぞれが、前記所定の周期よりも長い第2の周期であって、同一の前記第2の周期に従って、繰り返して報告される、すべての前記グループ毎の前記CQIの報告の周期又はタイミングを示す情報を、前記移動局装置に送信する送信部と、
前記移動局装置から、前記情報に基づいて、一つずつ非連続かつ所定間隔で離れた時間リソースで所定の周期に従って順に報告され、かつ、それぞれが、前記所定の周期よりも長い第2の周期であって、同一の前記第2の周期に従って、繰り返して報告される、すべての前記グループ毎の前記CQIを、受信する受信部と、
を有する基地局装置。 - 前記受信部は、複数の前記移動局装置から送信され、多重された複数のCQIを受信する、
請求項1に記載の基地局装置。 - すべての前記グループ毎の前記CQIが、循環して繰り返し報告される、
請求項1又は2に記載の基地局装置。 - 前記CQIが報告される対象である前記グループが、前記所定の周期に従って変更される、
請求項1から3のいずれかに記載の基地局装置。 - 前記グループは、前記周波数領域で連続する複数のサブキャリアから構成される、
請求項1から4のいずれかに記載の基地局装置。 - 前記グループは、それぞれが前記周波数領域で連続する複数のサブキャリアからなる、複数のリソースブロックから構成される、
請求項1から5のいずれかに記載の基地局装置。 - 前記グループは、それぞれが周波数領域で連続する複数のサブキャリアからなる、複数のサブバンドから構成される、
請求項1から6のいずれかに記載の基地局装置。 - 周波数領域において連続する複数のサブキャリアを用いて、スケジューリングされたデータを移動局装置に送信し、前記複数のサブキャリアを分けた複数のグループ毎のCQIであって、前記スケジューリングのために前記移動局装置から一つずつ非連続かつ所定間隔で離れた時間リソースで所定の周期に従って順に報告され、かつ、それぞれが、前記所定の周期よりも長い第2の周期であって、同一の前記第2の周期に従って、繰り返して報告される、すべての前記グループ毎の前記CQIの報告の周期又はタイミングを示す情報を、前記移動局装置に送信する送信工程と、
前記移動局装置から、前記情報に基づいて、一つずつ非連続かつ所定間隔で離れた時間リソースで所定の周期に従って順に報告され、かつ、それぞれが、前記所定の周期よりも長い第2の周期であって、同一の前記第2の周期に従って、繰り返して報告される、すべての前記グループ毎の前記CQIを、受信する受信工程と、
を有するCQI受信方法。 - 前記受信工程は、複数の前記移動局装置から送信され、多重された複数のCQIを受信する、
請求項8に記載のCQI受信方法。 - すべての前記グループ毎の前記CQIが、循環して繰り返し報告される、
請求項8又は9に記載のCQI受信方法。 - 前記CQIが報告される対象である前記グループが、前記所定の周期に従って変更される、
請求項8から10のいずれかに記載のCQI受信方法。 - 前記グループは、前記周波数領域で連続する複数のサブキャリアから構成される、
請求項8から11のいずれかに記載のCQI受信方法。 - 前記グループは、それぞれが前記周波数領域で連続する複数のサブキャリアからなる、複数のリソースブロックから構成される、
請求項8から12のいずれかに記載のCQI受信方法。 - 前記グループは、それぞれが周波数領域で連続する複数のサブキャリアからなる、複数のサブバンドから構成される、
請求項8から13のいずれかに記載のCQI受信方法。
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US (5) | US7933287B2 (ja) |
EP (2) | EP1906569B1 (ja) |
JP (5) | JP4768739B2 (ja) |
KR (2) | KR101259317B1 (ja) |
CN (2) | CN102916777B (ja) |
BR (2) | BRPI0614849B1 (ja) |
CA (1) | CA2618616C (ja) |
RU (2) | RU2418368C2 (ja) |
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