KR101003431B1 - 무선 통신 시스템에서 피드백 정보에 기반한 하나 이상의 서브패킷을 전송하는 방법 - Google Patents
무선 통신 시스템에서 피드백 정보에 기반한 하나 이상의 서브패킷을 전송하는 방법 Download PDFInfo
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- H—ELECTRICITY
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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
- H04B7/0615—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
- H04B7/0647—Variable feedback rate
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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
- H04B7/0602—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 antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
- H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
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- H—ELECTRICITY
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- 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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- 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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
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- H—ELECTRICITY
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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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
- H04B7/0495—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity using overlapping sectors in the same base station to implement MIMO for antennas
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- H—ELECTRICITY
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- H04B—TRANSMISSION
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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
- 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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- 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
- H04B7/0641—Differential feedback
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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
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- H04L1/0026—Transmission of channel quality indication
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- H04L1/0028—Formatting
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- H—ELECTRICITY
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
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- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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- H04L47/00—Traffic control in data switching networks
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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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- 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
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- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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- 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
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- 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
- H04W52/08—Closed loop power control
Abstract
Description
Claims (48)
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- MIMO (multiple input multiple output)를 사용하는 무선 통신 시스템에서 기지국이 데이터 패킷을 전송하는 방법에 있어서,제 1 안테나 셋에 관한 제 1 채널 품질 정보 (CQI: channel quality information) 값과 제 2 안테나 셋에 관한 제 2 CQI 값을 포함하는 피드백 정보를 적어도 하나의 단말로부터 수신하는 단계; 및상기 피드백 정보에 기초하여 적어도 하나의 데이터 채널을 통하여 전송 패킷을 전송하는 단계를 포함하고;상기 제 1 CQI 값은 제 1 전체(full) CQI 값을 나타내며, 상기 제 2 CQI 값은 차등(differential) CQI 값을 나타내고,상기 제 1 안테나 셋의 상기 제 1 전체 CQI 값과 상기 차등 CQI 값은 상기 제 2 안테나 셋의 제 2 전체 CQI 값을 결정하기 위한 기준 값으로 사용되는, 통신 데이터 패킷 전송 방법.
- 제 39 항에 있어서,상기 제 1 CQI 값과 상기 제 2 CQI 값은 동시에 수신되는, 통신 데이터 패킷 전송 방법.
- 제 39 항에 있어서,상기 피드백 정보는 전송에 사용되는 최적의 반송파를 나타내는 정보를 더 포함하는, 통신 데이터 패킷 전송 방법.
- 제 41 항에 있어서,상기 피드백 정보는 안테나 조합 정보를 더 포함하는, 통신 데이터 패킷 전송 방법.
- 제 39 항에 있어서,상기 피드백 정보는 전송 가능한 반송파들의 개수를 더 포함하는, 통신 데이터 패킷 전송 방법.
- HARQ(Hybrid automatic request) 기법을 사용하는 무선 통신 시스템에서 기지국이 연속적인 서브패킷들을 전송하는 방법에 있어서,제 1 안테나 셋에 관한 제 1 채널 품질 정보 (CQI: channel quality information) 값과 제 2 안테나 셋에 관한 제 2 CQI 값을 포함하는 피드백 정보를 적어도 하나의 단말로부터 수신하는 단계; 및상기 피드백 정보에 기초하여 이전에 전송된 적어도 하나의 서브 패킷의 전송 포맷과 상이한 전송 포맷을 이용하여 적어도 하나의 연속적인 서브 패킷을 전송하는 단계를 포함하고,상기 제 1 CQI 값은 제 1 전체(full) CQI 값을 나타내며, 상기 제 2 CQI 값은 차등(differential) CQI 값을 나타내고,상기 제 1 안테나 셋의 상기 제 1 전체 CQI 값과 상기 차등 CQI 값은 상기 제 2 안테나 셋의 제 2 전체 CQI 값을 결정하기 위한 기준 값으로 사용되는, 연속적인 서브패킷 전송방법.
- 제 44 항에 있어서,전송 가능한 반송파들/안테나의 개수를 제공하는 랭크 정보, 및전송에 사용될 최적의 반송파 및 안테나 조합을 지시하는 정보를 더 포함하는, 연속적인 서브패킷 전송방법.
- 제 44 항에 있어서,적어도 하나의 전송단으로 상기 피드백 정보를 전송하는 단계; 및상기 이전에 전송된 적어도 하나의 서브패킷의 전송 포맷과 상이한 전송 포맷에 기초하여 상기 적어도 하나의 서브패킷을 수신하는 단계를 더 포함하는, 연속적인 서브패킷 전송방법.
- 제 44 항에 있어서,상기 전송 포맷은 변조된 포맷을 나타내는, 연속적인 서브패킷 전송방법.
- 제 44 항에 있어서,상기 적어도 하나의 서브패킷은 다수의 반송파 및 안테나에 동시에 전송되는, 연속적인 서브패킷 전송방법.
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US76548706P | 2006-02-03 | 2006-02-03 | |
US76548806P | 2006-02-03 | 2006-02-03 | |
US60/765,487 | 2006-02-03 | ||
US60/765,488 | 2006-02-03 | ||
US77502206P | 2006-02-17 | 2006-02-17 | |
US60/775,022 | 2006-02-17 |
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KR20080091512A KR20080091512A (ko) | 2008-10-13 |
KR101003431B1 true KR101003431B1 (ko) | 2010-12-23 |
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KR1020087021622A KR101003431B1 (ko) | 2006-02-03 | 2007-02-05 | 무선 통신 시스템에서 피드백 정보에 기반한 하나 이상의 서브패킷을 전송하는 방법 |
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US (2) | US8358630B2 (ko) |
EP (1) | EP1982456A4 (ko) |
JP (1) | JP5090372B2 (ko) |
KR (1) | KR101003431B1 (ko) |
CN (1) | CN101379753B (ko) |
TW (1) | TWI440329B (ko) |
WO (1) | WO2007089126A2 (ko) |
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Cited By (1)
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KR101544034B1 (ko) | 2012-12-28 | 2015-08-12 | 삼성전자주식회사 | 다자간 통화를 위한 단말기들간에 통화 방법, 장치 및 기록 매체 |
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JP2009525669A (ja) | 2009-07-09 |
JP5090372B2 (ja) | 2012-12-05 |
TWI440329B (zh) | 2014-06-01 |
KR20080091512A (ko) | 2008-10-13 |
TW200803266A (en) | 2008-01-01 |
US9300384B2 (en) | 2016-03-29 |
WO2007089126A2 (en) | 2007-08-09 |
EP1982456A2 (en) | 2008-10-22 |
EP1982456A4 (en) | 2013-03-20 |
CN101379753B (zh) | 2012-06-27 |
WO2007089126A3 (en) | 2007-11-15 |
US20070201437A1 (en) | 2007-08-30 |
US20130010740A1 (en) | 2013-01-10 |
CN101379753A (zh) | 2009-03-04 |
US8358630B2 (en) | 2013-01-22 |
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