KR101225170B1 - 무선 통신 장치 및 서브 캐리어의 할당 방법 - Google Patents
무선 통신 장치 및 서브 캐리어의 할당 방법 Download PDFInfo
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- KR101225170B1 KR101225170B1 KR1020127005280A KR20127005280A KR101225170B1 KR 101225170 B1 KR101225170 B1 KR 101225170B1 KR 1020127005280 A KR1020127005280 A KR 1020127005280A KR 20127005280 A KR20127005280 A KR 20127005280A KR 101225170 B1 KR101225170 B1 KR 101225170B1
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- 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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- 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
- 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
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- 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
- 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
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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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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
도 2는 SNR 리포트 비트와 변조 방식의 관계를 나타내는 도면이다.
도 3은 본 발명의 실시형태 1에 따른 무선 통신 장치의 구성을 나타내는 블록도이다.
도 4는 본 발명의 실시형태 1에 따른 통신 단말 장치의 구성을 나타내는 블록도이다.
도 5는 본 발명의 실시형태 1에 따른 서브 캐리어의 할당 방법을 나타내는 흐름도이다.
도 6은 본 발명의 실시형태 1에 따른 SNR 통지 포맷을 나타내는 도면이다.
도 7은 본 발명의 실시형태 2에 따른 무선 통신 장치의 구성을 나타내는 블록도이다.
도 8은 본 발명의 실시형태 2에 따른 서브 캐리어의 할당 방법을 나타내는 흐름도이다.
103 : 회전 품질 정보 취출부 104 : 할당 제어부
105 : 요구 서브 캐리어 수 결정부 106 : 유저 정보 축적부
107 : 요구 서브 캐리어 수 정보 생성부
108 : 할당 정보 생성부 109 : 제어 정보 다중부
110 : 서브 캐리어 할당부 111 : 변조부
112 : 절환부 113 : IFFT부
114 : GI삽입부 115 : 송신 RF부
Claims (3)
- 통신 단말 장치로부터 CQI를 수신하는 기지국 장치로서,
각 통신 단말 장치가 상기 기지국 장치에 대해 모든 서브 캐리어의 CQI를 송신할지, 혹은 복수의 서브 캐리어의 위치를 나타내는 제 1 정보와 상기 복수의 서브 캐리어의 CQI에 관한 제 2 정보의 총 데이터량이 상기 모든 서브 캐리어의 CQI의 총 데이터량보다 작은 상기 제 1 정보와 상기 제 2 정보를 송신할지를, 상기 각 통신 단말 장치에 대해 결정하는 결정부와,
상기 결정부가 상기 각 통신 단말 장치에 대해 결정한 결정 내용을 나타내는 정보를 상기 각 통신 단말 장치에 송신하는 송신부와,
상기 모든 서브 캐리어의 CQI를 송신하는 것이 결정된 통신 단말 장치로부터는 서브 캐리어의 위치를 나타내는 정보가 부가되지 않는 상기 모든 서브 캐리어의 CQI를 수신하고, 상기 제 1 정보와 상기 제 2 정보를 송신하는 것이 결정된 통신 단말 장치로부터는 상기 모든 서브 캐리어의 CQI를 수신하지 않고 상기 제 1 정보와 상기 제 2 정보를 수신하는 수신부를 가지고,
상기 복수의 서브 캐리어의 위치를 나타내는 제 1 정보는 서브 캐리어의 번호를 이용하여 생성되는 기지국 장치. - 기지국 장치가 통신 단말 장치로부터 CQI를 수신하는 수신 방법으로서,
각 통신 단말 장치가 상기 기지국 장치에 대해 모든 서브 캐리어의 CQI를 송신할지, 혹은 복수의 서브 캐리어의 위치를 나타내는 제 1 정보와 상기 복수의 서브 캐리어의 CQI에 관한 제 2 정보의 총 데이터량이 상기 모든 서브 캐리어의 CQI의 총 데이터량보다 작은 상기 제 1 정보와 상기 제 2 정보를 송신할지를, 상기 기지국 장치가 상기 각 통신 단말 장치에 대해 결정하고,
상기 각 통신 단말 장치에 대해 결정된 결정 내용을 나타내는 정보를 상기 기지국 장치로부터 상기 각 통신 단말 장치에 송신하고,
상기 모든 서브 캐리어의 CQI를 송신하는 것이 결정된 통신 단말 장치로부터는 서브 캐리어의 위치를 나타내는 정보를 수반하지 않고 모든 서브 캐리어의 CQI를 수신하고, 상기 제 1 정보와 상기 제 2 정보를 송신하는 것이 결정된 통신 단말 장치로부터는 상기 모든 서브 캐리어의 CQI를 수신하지 않고 상기 제 1 정보와 상기 제 2 정보를 수신하며,
상기 복수의 서브 캐리어의 위치를 나타내는 제 1 정보는 서브 캐리어의 번호를 이용하여 생성되는 수신 방법. - 삭제
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JPJP-P-2003-295972 | 2003-08-20 | ||
JP2003295972 | 2003-08-20 | ||
PCT/JP2004/012311 WO2005020489A1 (ja) | 2003-08-20 | 2004-08-20 | 無線通信装置及びサブキャリア割り当て方法 |
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KR1020117026833A Division KR101170474B1 (ko) | 2003-08-20 | 2004-08-20 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
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KR20120037033A KR20120037033A (ko) | 2012-04-18 |
KR101225170B1 true KR101225170B1 (ko) | 2013-01-22 |
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KR1020127005280A Expired - Lifetime KR101225170B1 (ko) | 2003-08-20 | 2004-08-20 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
KR1020117005173A Expired - Lifetime KR101109885B1 (ko) | 2003-08-20 | 2004-08-20 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
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KR1020117011490A Expired - Lifetime KR101109839B1 (ko) | 2003-08-20 | 2004-08-20 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
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US (13) | US7522544B2 (ko) |
EP (2) | EP1653646B1 (ko) |
JP (5) | JP4490921B2 (ko) |
KR (6) | KR101083176B1 (ko) |
CN (3) | CN102932125B (ko) |
BR (1) | BRPI0413694B1 (ko) |
ES (2) | ES2728783T3 (ko) |
HU (1) | HUE043293T2 (ko) |
TR (1) | TR201907774T4 (ko) |
WO (1) | WO2005020489A1 (ko) |
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US9544860B2 (en) | 2003-02-24 | 2017-01-10 | Qualcomm Incorporated | Pilot signals for use in multi-sector cells |
US9661519B2 (en) | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
US8811348B2 (en) | 2003-02-24 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for generating, communicating, and/or using information relating to self-noise |
US7218948B2 (en) | 2003-02-24 | 2007-05-15 | Qualcomm Incorporated | Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators |
KR101083176B1 (ko) | 2003-08-20 | 2011-11-11 | 파나소닉 주식회사 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
KR100973946B1 (ko) * | 2004-03-12 | 2010-08-05 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 통신 시스템에서 밴드 적응적변조 및 코딩 서브 채널 운용을 위한 시스템 및 방법 |
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2012
- 2012-04-10 JP JP2012089168A patent/JP5362067B2/ja not_active Expired - Lifetime
- 2012-05-01 US US13/461,527 patent/US8391215B2/en not_active Expired - Fee Related
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2013
- 2013-01-30 US US13/754,645 patent/US9055599B2/en not_active Expired - Lifetime
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2014
- 2014-02-19 US US14/183,830 patent/US9198189B2/en not_active Expired - Lifetime
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2015
- 2015-10-12 US US14/880,904 patent/US9504050B2/en not_active Expired - Fee Related
- 2015-10-30 US US14/928,940 patent/US9565688B2/en not_active Expired - Fee Related
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2016
- 2016-12-21 US US15/386,813 patent/US9762371B2/en not_active Expired - Lifetime
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2017
- 2017-08-11 US US15/675,053 patent/US9967078B2/en not_active Expired - Lifetime
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2018
- 2018-04-09 US US15/948,432 patent/US10164753B2/en not_active Expired - Lifetime
- 2018-11-21 US US16/198,525 patent/US10554371B2/en not_active Expired - Lifetime
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2019
- 2019-12-16 US US16/716,079 patent/US10819493B2/en not_active Expired - Fee Related
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2020
- 2020-09-23 US US17/029,708 patent/US11356227B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020102940A1 (en) * | 2000-11-20 | 2002-08-01 | Ralf Bohnke | Adaptive subcarrier loading |
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