WO2010018957A3 - 다중 안테나 시스템에서 다중 부호어의 전송방법 - Google Patents

다중 안테나 시스템에서 다중 부호어의 전송방법 Download PDF

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Publication number
WO2010018957A3
WO2010018957A3 PCT/KR2009/004446 KR2009004446W WO2010018957A3 WO 2010018957 A3 WO2010018957 A3 WO 2010018957A3 KR 2009004446 W KR2009004446 W KR 2009004446W WO 2010018957 A3 WO2010018957 A3 WO 2010018957A3
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WO
WIPO (PCT)
Prior art keywords
symbol streams
code words
frequency domain
parallel
create
Prior art date
Application number
PCT/KR2009/004446
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English (en)
French (fr)
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WO2010018957A2 (ko
Inventor
고현수
정재훈
한승희
이문일
Original Assignee
엘지전자주식회사
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.)
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Publication date
Application filed by 엘지전자주식회사 filed Critical 엘지전자주식회사
Priority to US13/058,494 priority Critical patent/US8358611B2/en
Publication of WO2010018957A2 publication Critical patent/WO2010018957A2/ko
Publication of WO2010018957A3 publication Critical patent/WO2010018957A3/ko

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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
    • H04B7/0678—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 using different spreading codes between antennas
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/2615—Reduction thereof using coding
    • 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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

복수의 송신안테나를 이용한 무선통신 시스템에서, 다중 부호어의 전송 방법을 제공한다. 상기 방법은 복수의 병렬적인 정보비트열을 인코딩하여 복수의 병렬적인 부호어를 생성하는 단계, 상기 복수의 병렬적인 부호어를 변조하여 복수의 병렬적인 변조심볼열을 생성하는 단계, 상기 변조심볼열에 DFT(Discrete Fourier Transform)를 수행하여 복수의 주파수 영역 심볼열을 생성하는 단계, 상기 복수의 주파수 영역 심볼열에 프리코딩을 수행하는 단계, 상기 프리코딩된 상기 복수의 주파수 영역 심볼열을 자원요소에 맵핑하는 단계, 상기 복수의 주파수 영역 심볼열에 IFFT(Inverse Fast Fourier Transform)를 수행하여 SC-FDMA(Single Carrier Frequency Division Multiple Access) 심볼을 생성하는 단계, 상기 복수의 병렬적인 부호어, 상기 복수의 병렬적인 변조심볼열 또는 상기 복수의 주파수 영역 심볼열이 맵핑되는 계층(layer)을 소정의 시간주기로 변경하는 쉬프팅(shifting)을 수행하는 단계, 및 상기 SC-FDMA 심볼을 전송하는 단계를 포함한다.
PCT/KR2009/004446 2008-08-11 2009-08-10 다중 안테나 시스템에서 다중 부호어의 전송방법 WO2010018957A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/058,494 US8358611B2 (en) 2008-08-11 2009-08-10 Method for transmitting multiple code words in a multiple antenna system

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US8797608P 2008-08-11 2008-08-11
US61/087,976 2008-08-11
US10199608P 2008-10-01 2008-10-01
US61/101,996 2008-10-01
US15225209P 2009-02-12 2009-02-12
US61/152,252 2009-02-12
US15256009P 2009-02-13 2009-02-13
US15226309P 2009-02-13 2009-02-13
US61/152,560 2009-02-13
US61/152,263 2009-02-13
US15396109P 2009-02-19 2009-02-19
US61/153,961 2009-02-19
US17276309P 2009-04-26 2009-04-26
US61/172,763 2009-04-26

Publications (2)

Publication Number Publication Date
WO2010018957A2 WO2010018957A2 (ko) 2010-02-18
WO2010018957A3 true WO2010018957A3 (ko) 2010-05-27

Family

ID=41669451

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/004446 WO2010018957A2 (ko) 2008-08-11 2009-08-10 다중 안테나 시스템에서 다중 부호어의 전송방법

Country Status (3)

Country Link
US (1) US8358611B2 (ko)
KR (2) KR20100019973A (ko)
WO (1) WO2010018957A2 (ko)

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KR101813232B1 (ko) 2017-08-11 2017-12-29 영남대학교 산학협력단 다중 안테나 시스템에서 첨두 대 평균 전력비가 낮은 필터뱅크 다중 반송파 신호 변조를 위한 장치 및 방법
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Also Published As

Publication number Publication date
US8358611B2 (en) 2013-01-22
US20110142001A1 (en) 2011-06-16
KR20110081946A (ko) 2011-07-15
WO2010018957A2 (ko) 2010-02-18
KR20100019973A (ko) 2010-02-19

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