JP5006345B2 - 移動通信システムでチャネル品質情報を伝送する方法 - Google Patents
移動通信システムでチャネル品質情報を伝送する方法 Download PDFInfo
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- JP5006345B2 JP5006345B2 JP2008554145A JP2008554145A JP5006345B2 JP 5006345 B2 JP5006345 B2 JP 5006345B2 JP 2008554145 A JP2008554145 A JP 2008554145A JP 2008554145 A JP2008554145 A JP 2008554145A JP 5006345 B2 JP5006345 B2 JP 5006345B2
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- information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
-
- 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
- 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
- H04L1/0001—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
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
-
- 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
- H04L1/0028—Formatting
- H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
-
- 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
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- 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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
-
- 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
- H04B7/0636—Feedback format
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (10)
- 複数の搬送波を用いてデータを伝送するシステムにおいて移動局により基地局にチャネル品質情報(CQI)を伝送する方法であって、
前記方法は、
媒体接続制御(MAC)シグナリングを通して、全体の周波数帯域を構成する全CQI帯域に対応する第1CQIを伝送することであって、前記第1CQIの情報サイズは、一定のサイズより大きい、ことと、
物理制御チャネル上で、前記全体の周波数帯域を構成する全CQI帯域のうちのN個の選択されたCQI帯域に対応する第2CQIを伝送することであって、前記第2CQIの情報サイズは、前記一定のサイズより小さく、Nは、前記全体の周波数帯域を構成するCQI帯域の数未満の正の整数である、ことと、
前記基地局から、前記第1CQIおよび前記第2CQIを用いて前記基地局により前記CQI帯域の全てについて推定された第3CQIを受信することと、
エラーを有するCQI帯域のCQI値を訂正するための誤差情報を前記基地局に伝送することと
を含む、方法。 - 前記第1CQIは、前記全体の周波数帯域を構成する全CQI帯域のCQI値を含む、請求項1に記載の方法。
- 前記第2CQIは、N個のCQI帯域のCQI値の差等変調(DM)情報を含む、請求項2に記載の方法。
- 前記MACシグナリングを通して、前記DM情報のための基準CQI値が伝送される、請求項3に記載の方法。
- 前記物理制御チャネル上での前記第2CQIの伝送は、周期的に行われる、請求項1に記載の方法。
- 前記第2CQIの伝送周期は、調整可能である、請求項5に記載の方法。
- 前記MACシグナリングを通した前記第1CQIの伝送は、周期的に行われる、請求項1に記載の方法。
- 前記MACシグナリングを通した前記第1CQIの伝送は、前記基地局のスケジューラによって制御される、請求項1に記載の方法。
- 前記MACシグナリングを通した前記第1CQIの伝送は、特定のイベントが発生する場合に行われる、請求項1に記載の方法。
- 前記第1CQIを用いてダウンリンクスケジューリングが行われ、前記第2CQIが、前記基地局によるダウンリンクスケジューリングのために用いられる、請求項1に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0012203 | 2006-02-08 | ||
KR1020060012203A KR101208513B1 (ko) | 2006-02-08 | 2006-02-08 | 채널 품질 정보 전송 방법 |
KR10-2006-0023669 | 2006-03-14 | ||
KR1020060023669A KR101154991B1 (ko) | 2006-03-14 | 2006-03-14 | 이동통신 시스템에서 채널 품질 정보 재전송 방법 및 그지원 방법 |
PCT/KR2007/000691 WO2007091858A2 (en) | 2006-02-08 | 2007-02-08 | Method of transmitting channel quality information in mobile communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009529252A JP2009529252A (ja) | 2009-08-13 |
JP5006345B2 true JP5006345B2 (ja) | 2012-08-22 |
Family
ID=38345562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008554145A Expired - Fee Related JP5006345B2 (ja) | 2006-02-08 | 2007-02-08 | 移動通信システムでチャネル品質情報を伝送する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8041308B2 (ja) |
EP (1) | EP1987696A4 (ja) |
JP (1) | JP5006345B2 (ja) |
CN (1) | CN101682590B (ja) |
TW (1) | TWI401931B (ja) |
WO (1) | WO2007091858A2 (ja) |
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JP5107069B2 (ja) * | 2008-01-25 | 2012-12-26 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムで使用される基地局装置及び方法 |
JP5171967B2 (ja) * | 2008-02-25 | 2013-03-27 | エルジー エレクトロニクス インコーポレイティド | 広帯域無線接続システムのサブチャネル割当を考慮した共存支援方法 |
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-
2007
- 2007-02-08 CN CN2007800049942A patent/CN101682590B/zh not_active Expired - Fee Related
- 2007-02-08 TW TW096104672A patent/TWI401931B/zh not_active IP Right Cessation
- 2007-02-08 US US12/278,758 patent/US8041308B2/en not_active Expired - Fee Related
- 2007-02-08 EP EP07708841.7A patent/EP1987696A4/en not_active Withdrawn
- 2007-02-08 JP JP2008554145A patent/JP5006345B2/ja not_active Expired - Fee Related
- 2007-02-08 WO PCT/KR2007/000691 patent/WO2007091858A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN101682590B (zh) | 2012-12-26 |
US8041308B2 (en) | 2011-10-18 |
JP2009529252A (ja) | 2009-08-13 |
WO2007091858A3 (en) | 2009-06-04 |
TW200737881A (en) | 2007-10-01 |
US20090130986A1 (en) | 2009-05-21 |
TWI401931B (zh) | 2013-07-11 |
CN101682590A (zh) | 2010-03-24 |
WO2007091858A2 (en) | 2007-08-16 |
EP1987696A4 (en) | 2014-04-09 |
EP1987696A2 (en) | 2008-11-05 |
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