WO2010137915A3 - 무선 통신 시스템에서 피드백 채널 전송 방법 및 장치 - Google Patents

무선 통신 시스템에서 피드백 채널 전송 방법 및 장치 Download PDF

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Publication number
WO2010137915A3
WO2010137915A3 PCT/KR2010/003412 KR2010003412W WO2010137915A3 WO 2010137915 A3 WO2010137915 A3 WO 2010137915A3 KR 2010003412 W KR2010003412 W KR 2010003412W WO 2010137915 A3 WO2010137915 A3 WO 2010137915A3
Authority
WO
WIPO (PCT)
Prior art keywords
feedback channel
transmitting
wireless communication
communication system
mcs
Prior art date
Application number
PCT/KR2010/003412
Other languages
English (en)
French (fr)
Other versions
WO2010137915A2 (ko
Inventor
천진영
김수남
임빈철
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/322,107 priority Critical patent/US8761293B2/en
Publication of WO2010137915A2 publication Critical patent/WO2010137915A2/ko
Publication of WO2010137915A3 publication Critical patent/WO2010137915A3/ko

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Classifications

    • 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
    • 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
    • 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
    • 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
    • H04L1/0025—Transmission of mode-switching 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
    • H04L1/12—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
    • H04L1/1893—Physical mapping arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

무선 통신 시스템에서 피드백 채널 전송 방법 및 장치가 제공된다. 단말은 CINR(Carrier to Interference plus Noise Ratio)을 양자화(quantization)한 MCS(Modulation and Coding Scheme) 레벨을 측정하고, 상기 MCS 레벨을 포함하는 피드백 정보를 피드백 채널에 맵핑하고, 상기 피드백 채널을 전송한다.
PCT/KR2010/003412 2009-05-28 2010-05-28 무선 통신 시스템에서 피드백 채널 전송 방법 및 장치 WO2010137915A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/322,107 US8761293B2 (en) 2009-05-28 2010-05-28 Method and apparatus for transmitting a feedback channel in a wireless communication system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US18167309P 2009-05-28 2009-05-28
US61/181,673 2009-05-28
US21839909P 2009-06-18 2009-06-18
US61/218,399 2009-06-18
KR10-2010-0050177 2010-05-28
KR1020100050177A KR101691228B1 (ko) 2009-05-28 2010-05-28 무선 통신 시스템에서 피드백 채널 전송 방법 및 장치

Publications (2)

Publication Number Publication Date
WO2010137915A2 WO2010137915A2 (ko) 2010-12-02
WO2010137915A3 true WO2010137915A3 (ko) 2011-03-03

Family

ID=43223275

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/003412 WO2010137915A2 (ko) 2009-05-28 2010-05-28 무선 통신 시스템에서 피드백 채널 전송 방법 및 장치

Country Status (3)

Country Link
US (1) US8761293B2 (ko)
KR (1) KR101691228B1 (ko)
WO (1) WO2010137915A2 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012074316A2 (en) 2010-12-01 2012-06-07 Lg Electronics Inc. Method and apparatus of link adaptation in wireless local area network
WO2012151064A2 (en) 2011-05-02 2012-11-08 Research In Motion Limted Methods and system of wireless communication with remote radio heads
JP6210116B2 (ja) 2013-01-21 2017-10-11 富士通株式会社 チャネル状態情報参照信号の伝送方法、基地局、端末、システム、マシン可読プログラム及びマシン可読プログラムを記憶した記憶媒体
WO2014142440A1 (ko) * 2013-03-14 2014-09-18 주식회사 케이티 변조 정보를 송수신하는 방법 및 그 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070074708A (ko) * 2006-01-10 2007-07-18 삼성전자주식회사 무선 통신 시스템에서 채널 상태 추정 장치 및 방법
US20090097583A1 (en) * 2007-10-10 2009-04-16 Samsung Electronics Co. Ltd. Apparatus and method for selecting operation mode in mimo communication system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949454B1 (ko) * 2007-01-09 2010-03-29 삼성전자주식회사 무선통신시스템에서 신호대 간섭 및 잡음비 추정 장치 및방법
KR100975704B1 (ko) * 2007-01-10 2010-08-12 삼성전자주식회사 이동통신 시스템의 응답신호 송수신 방법 및 장치
KR100966250B1 (ko) * 2007-03-19 2010-06-28 삼성전자주식회사 광대역 무선 이동통신 시스템에서 상향링크 피드백 데이터 전송 장치 및 방법
US8160601B2 (en) * 2007-06-21 2012-04-17 Elektrobit Wireless Communications Ltd. Method for optimizing spatial modulation in a wireless link and network element thereto
KR101379976B1 (ko) * 2007-07-09 2014-04-01 엘지전자 주식회사 Ｈａｒｑ를 이용한 데이터 전송 방법
US20090245337A1 (en) * 2008-03-31 2009-10-01 Motorola, Inc. Method for reducing channel quality information in ofdma systems
US8238958B2 (en) * 2008-04-11 2012-08-07 Wi-Lan Inc. Method, apparatus, and system for uplink modulation and coding scheme selection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070074708A (ko) * 2006-01-10 2007-07-18 삼성전자주식회사 무선 통신 시스템에서 채널 상태 추정 장치 및 방법
US20090097583A1 (en) * 2007-10-10 2009-04-16 Samsung Electronics Co. Ltd. Apparatus and method for selecting operation mode in mimo communication system

Also Published As

Publication number Publication date
US8761293B2 (en) 2014-06-24
KR101691228B1 (ko) 2016-12-30
KR20100129226A (ko) 2010-12-08
WO2010137915A2 (ko) 2010-12-02
US20120063408A1 (en) 2012-03-15

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