KR20060005683A - 안테나 어레이를 포함하는 부호분할다중접속이동통신시스템에서의 데이터 전송장치 및 방법 - Google Patents
안테나 어레이를 포함하는 부호분할다중접속이동통신시스템에서의 데이터 전송장치 및 방법 Download PDFInfo
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- KR20060005683A KR20060005683A KR1020040054565A KR20040054565A KR20060005683A KR 20060005683 A KR20060005683 A KR 20060005683A KR 1020040054565 A KR1020040054565 A KR 1020040054565A KR 20040054565 A KR20040054565 A KR 20040054565A KR 20060005683 A KR20060005683 A KR 20060005683A
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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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
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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
- H04B7/0602—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
- 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
- H04B7/0617—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 for beam forming
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
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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
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- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
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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
- H04L1/0002—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
Abstract
Description
Claims (2)
- 복수의 안테나들 별로 적응적 변조/부호화 방식을 사용하는 공간 다중화 다중 입력 다중 출력 시스템에서, 기지국에 의해 데이터를 전송하는 방법에 있어서,단말로부터의 피드백 정보를 수신하는 과정과,상기 피드백 정보로부터 가중치 선택 정보를 획득하고, 상기 가중치 선택 정보에 의해 상기 안테나 별 가중치들을 결정하는 과정과,상기 결정된 가중치들에 의해 상기 안테나를 통해 전송할 신호 열들 각각을 승산한 후 대응하는 안테나를 통해 전송하는 과정을 포함함을 특징으로 하는 상기 방법.
- 복수의 안테나들 별로 적응적 변조/부호화 방식을 사용하는 공간 다중화 다중 입력 다중 출력 시스템의 기지국에서 데이터를 전송하는 장치에 있어서,단말로부터의 피드백 정보를 수신하여 가중치 선택 정보를 획득하고, 상기 가중치 선택 정보에 의해 상기 안테나 별 가중치들을 결정하는 피드백 정보 처리부와,상기 결정된 가중치들에 의해 상기 안테나를 통해 전송할 신호 열들 각각을 승산한 후 대응하는 안테나를 통해 전송하는 컴바이너를 포함함을 특징으로 하는 상기 장치.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040054565A KR100876797B1 (ko) | 2004-07-13 | 2004-07-13 | 다중 안테나 시스템에서의 빔포밍 장치 및 방법 |
JP2007521402A JP4559477B2 (ja) | 2004-07-13 | 2005-07-13 | 多重アンテナシステムにおけるビームフォーミング装置及び方法 |
EP05761260.8A EP1759470B1 (en) | 2004-07-13 | 2005-07-13 | Apparatus and method for beamforming in a multi-antenna system |
US11/180,264 US7675988B2 (en) | 2004-07-13 | 2005-07-13 | Apparatus and method for beamforming in a multi-antenna system |
PCT/KR2005/002253 WO2006006826A1 (en) | 2004-07-13 | 2005-07-13 | Apparatus and method for beamforming in a multi-antenna system |
CN2005800237779A CN101015137B (zh) | 2004-07-13 | 2005-07-13 | 用于在多天线系统中进行波束形成的设备和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040054565A KR100876797B1 (ko) | 2004-07-13 | 2004-07-13 | 다중 안테나 시스템에서의 빔포밍 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060005683A true KR20060005683A (ko) | 2006-01-18 |
KR100876797B1 KR100876797B1 (ko) | 2009-01-07 |
Family
ID=35784137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040054565A KR100876797B1 (ko) | 2004-07-13 | 2004-07-13 | 다중 안테나 시스템에서의 빔포밍 장치 및 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7675988B2 (ko) |
EP (1) | EP1759470B1 (ko) |
JP (1) | JP4559477B2 (ko) |
KR (1) | KR100876797B1 (ko) |
CN (1) | CN101015137B (ko) |
WO (1) | WO2006006826A1 (ko) |
Cited By (2)
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KR100648472B1 (ko) * | 2004-10-19 | 2006-11-28 | 삼성전자주식회사 | 다중 송신 다중 수신 안테나 통신 시스템에서 적응 변조및 부호 성능을 최적화하기 위한 송·수신 장치 및 방법 |
WO2012008771A3 (ko) * | 2010-07-14 | 2012-04-05 | 아주대학교산학협력단 | 통신 시스템에서의 신호 전송장치 및 방법 |
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CN101207422B (zh) * | 2007-11-30 | 2012-06-27 | 上海华为技术有限公司 | 数据发送的方法、装置及基站 |
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-
2004
- 2004-07-13 KR KR1020040054565A patent/KR100876797B1/ko active IP Right Grant
-
2005
- 2005-07-13 EP EP05761260.8A patent/EP1759470B1/en not_active Expired - Fee Related
- 2005-07-13 WO PCT/KR2005/002253 patent/WO2006006826A1/en not_active Application Discontinuation
- 2005-07-13 US US11/180,264 patent/US7675988B2/en active Active
- 2005-07-13 JP JP2007521402A patent/JP4559477B2/ja not_active Expired - Fee Related
- 2005-07-13 CN CN2005800237779A patent/CN101015137B/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100648472B1 (ko) * | 2004-10-19 | 2006-11-28 | 삼성전자주식회사 | 다중 송신 다중 수신 안테나 통신 시스템에서 적응 변조및 부호 성능을 최적화하기 위한 송·수신 장치 및 방법 |
WO2012008771A3 (ko) * | 2010-07-14 | 2012-04-05 | 아주대학교산학협력단 | 통신 시스템에서의 신호 전송장치 및 방법 |
US9686655B2 (en) | 2010-07-14 | 2017-06-20 | Ajou University Industry Cooperation Foundation | Apparatus and method for transmitting signal in communication system |
Also Published As
Publication number | Publication date |
---|---|
EP1759470A4 (en) | 2011-11-23 |
EP1759470B1 (en) | 2017-10-11 |
JP2008506330A (ja) | 2008-02-28 |
KR100876797B1 (ko) | 2009-01-07 |
EP1759470A1 (en) | 2007-03-07 |
US7675988B2 (en) | 2010-03-09 |
WO2006006826A1 (en) | 2006-01-19 |
CN101015137B (zh) | 2013-12-18 |
JP4559477B2 (ja) | 2010-10-06 |
US20060039494A1 (en) | 2006-02-23 |
CN101015137A (zh) | 2007-08-08 |
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