KR100379047B1 - 다중캐리어주파수호핑확산스펙트럼통신시스템,사용자국,및기지국 - Google Patents
다중캐리어주파수호핑확산스펙트럼통신시스템,사용자국,및기지국 Download PDFInfo
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- KR100379047B1 KR100379047B1 KR1019940035844A KR19940035844A KR100379047B1 KR 100379047 B1 KR100379047 B1 KR 100379047B1 KR 1019940035844 A KR1019940035844 A KR 1019940035844A KR 19940035844 A KR19940035844 A KR 19940035844A KR 100379047 B1 KR100379047 B1 KR 100379047B1
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- 238000004891 communication Methods 0.000 title claims abstract description 27
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- 230000009191 jumping Effects 0.000 claims 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/02—Details not particular to receiver or transmitter
- H04L13/06—Tape or page guiding or feeding devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
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- 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
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
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- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
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- 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
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
- H04L5/026—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] using code division
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (8)
- 적어도 하나의 전송 채널에 의해 서로 통신하는 적어도 하나의 송신국과 적어도 하나의 수신국을 포함하는 다중캐리어 주파수 호핑 확산 스펙트럼 통신 시스템으로서, 상기 시스템은 송신단에서, 주파수 호핑 확산 스펙트럼 부호화에 의해 데이터를 전송하기 위한 베이스밴드 전송 수단과, 수신단에서, 추정 데이터를 복원하기 위한 역전송 수단을 포함하는, 상기 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템에 있어서,상기 전송 수단은 직교 주파수 분할에 따라 부호화를 수행하고, 상기 역전송 수단은 복호화를 수행하여 상기 부호화의 변환의 역변환을 행하며,상기 전송 수단은 역 푸리에 변환을 행하기 위한 수단을 포함하고, 역전송 수단은 직접 푸리에 변환((direct Fourier transform)을 수행하기 위한 수단을 포함하는 것을 특징으로 하는, 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템.
- 제 1 항에 있어서,주파수 홉(hop)들을 부호화하거나 복호화하기 위하여, 상기 전송 수단 또는 역전송 수단 각각은 데이터 믹싱 수단 또는 데이터 디믹싱((demixing) 수단을 각각 포함하며, 상기 믹싱 수단 또는 상기 디믹싱 수단 각각은,- 가변 어드레스 시퀀스들을 생성하는 어드레스 생성기와- 믹싱될 또는 디믹싱될 데이터가 각각 기록되고, 판독시, 믹싱되거나 디믹싱된 데이터를 각각 전달하는 메모리로서, 믹싱 및/또는 디믹싱은 가변 시퀀스 어드레스 생성기의 도움으로 판독 및 기록 모드들에서 상이하게 메모리를 어드레싱함으로써 실현되는 상기 메모리를 포함하는 것을 특징으로 하는, 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 데이터는 디지탈 변조에 의해 변조된 신호로부터 발생하고, 상기 시스템은 전송국에서, 전송 메시지들을 디지탈 변조된 심볼들로 변환하기 위한 수단(10)과, 수신국에서, 상기 수신된 심볼들로부터 메시지들을 추출하기 위한 수단(20)을 포함하며,주파수 점프들을 부호화하기 위하여, 전송 수단은 심볼들을 샘플링하기 위한 수단(821-82M)과 다양한 샘플링된 신호들(Su1-SuM)을 패킷화하기 위한 수단(831-83M)을 포함하며, 하나의 패킷은 심볼들이 출력되는 디지탈 변조의 심볼들(se1-SeM)의 수와 같거나 큰 다수의 샘플링된 심볼들을 포함하는 것을 특징으로 하는, 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템.
- 제 1 항 또는 제 2 항에 있어서,역 푸리에 변환을 수행하기 위한 수단 다음에 신호 프레임들을 형성하기 위한 수단이 있고, 직접 푸리에 변환을 수행하기 위한 수단 앞에 상기 신호 프레임들로부터 신호들을 추출하기 위한 수단이 있는 것을 특징으로 하는, 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템.
- 제 4 항에 있어서,프레임들을 형성하기 위한 수단(15)은,- 보호 심볼들을 가산하기 위한 수단과,- 시리얼라이저 수단과,- 심볼 블럭들의 프레임들을 형성하고 특정 심볼들의 블럭들을 가산하기 위한 수단을 포함하는 것을 특징으로 하는, 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템.
- 제 1 항 내지 제 2 항 중 어느 한 항에 있어서,적어도 송수신 기지국(B)과, 상기 기지국을 통하여 전송 채널들(CHA1, CHA2)에 의해 서로 통신하는 다수의 송수신 사용자국들(U1, U2)을 포함하는 것을 특징으로 하는, 다중 캐리어 주파수 호핑 확산 스펙트럼 통신 시스템.
- 제 5 항에 청구된 바와 같은 시스템에 사용된 사용자국.
- 제 5 항에 청구된 바와 같은 시스템에 사용된 기지국.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR9315460 | 1993-12-22 | ||
FR9315460 | 1993-12-22 |
Publications (2)
Publication Number | Publication Date |
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KR950022501A KR950022501A (ko) | 1995-07-28 |
KR100379047B1 true KR100379047B1 (ko) | 2003-06-19 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019940035844A KR100379047B1 (ko) | 1993-12-22 | 1994-12-22 | 다중캐리어주파수호핑확산스펙트럼통신시스템,사용자국,및기지국 |
Country Status (6)
Country | Link |
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US (1) | US5548582A (ko) |
EP (1) | EP0660559B1 (ko) |
JP (1) | JP3693303B2 (ko) |
KR (1) | KR100379047B1 (ko) |
DE (1) | DE69434353T2 (ko) |
SG (1) | SG48266A1 (ko) |
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KR950022501A (ko) | 1995-07-28 |
US5548582A (en) | 1996-08-20 |
EP0660559B1 (fr) | 2005-04-27 |
SG48266A1 (en) | 1998-04-17 |
DE69434353D1 (de) | 2005-06-02 |
DE69434353T2 (de) | 2006-03-09 |
JPH07288491A (ja) | 1995-10-31 |
EP0660559A1 (fr) | 1995-06-28 |
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