KR920013970A - Cdma 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치 - Google Patents

Cdma 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치 Download PDF

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KR920013970A
KR920013970A KR1019910023923A KR910023923A KR920013970A KR 920013970 A KR920013970 A KR 920013970A KR 1019910023923 A KR1019910023923 A KR 1019910023923A KR 910023923 A KR910023923 A KR 910023923A KR 920013970 A KR920013970 A KR 920013970A
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signal
accuracy
radio
channel
spread spectrum
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KR1019910023923A
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KR100242620B1 (ko
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바이 퀴
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에이.지. 스타인메쯔
아메리칸 텔리폰 앤드 텔레그라프 캄파니
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

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

Abstract

내용 없음

Description

CDMA 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 제1도의 시스템에서 사용된 CDMA기법을 실현하는 전송 시스템의 블럭도, 제3도는 제2도의 CDMA시스템에 사용된 무선 송신기의 상세한 블럭도, 제5도는 제3도에 도시된 CDMA시스템에 사용된 것과 같은 셀-사이트 수신기의 블럭도.

Claims (3)

  1. CDMA 스프레드 스펙트럼 기법에 의해 인코딩된 다수의 무선 채널을 포함하는 무선 신호를 수신하기 위한 수단, 각가의 무선 채널안에서 각각의 무선 신호를 디스프레딩 하기 위한 수단, 채널 신호 정보의 정확도에 있어서 높은 확률을 가진 신호를 나타내기 위한 수단, 채널 신호 정보의 정확도에 있어서 낮은 확률을 가진 신호를 나타내기 위한 수단, 채널 신호 정보의 정확도에 있어서 높은 확률을 가진 신호를 스프레딩하기 위한 수단, 수신된 무선 신호로부터 간섭 성분을 제거하도록 무선 신호를 수신하기 위한 수단의 출력으로 부터 스프레딩을 위한 수단의 출력을 감산해 내기 위한 수단, 및 채널 신호 정보의 정확도에 있어서 낮은 확률을 가진 채널로부터 신호를 회수하기 위한 수단을 포함하는 CDMA 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신장치.
  2. 제1항에 있어서, 상기 높은 확률을 가진 신호를 나타내는 수단과 낮은 확률을 가진 신호를 나타내는 수단 모두가 정확도의 높은 확률을 가진 신호를 검출하여 그것을 논리 레벨과 인코딩하고 정확도의 낮은 확률을 가진 신호를 검출하여 그것을 삭제 레벨과 인코딩하기 위한 결정논리 회로를 포함하며, 논리 레벨 및 삭제 레벨을 가진 인코딩된 신호를 저장하기 위한 메모리 기억 장치를 포함하는 CDMA 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치.
  3. 제1항에 있어서, 상기 신호를 회수하기 위한 수단으로부터의 신호를 메모리에 인가하며 정확도에 있어서 낮은 확률을 가진 신호를 상기 회수된 신호로 대체하는 수단을 포함하는 CDMA 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910023923A 1990-12-31 1991-12-23 Cdma 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치 KR100242620B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/636,325 US5136612A (en) 1990-12-31 1990-12-31 Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
US636,325 1990-12-31

Publications (2)

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KR920013970A true KR920013970A (ko) 1992-07-30
KR100242620B1 KR100242620B1 (ko) 2000-02-01

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KR1019910023923A KR100242620B1 (ko) 1990-12-31 1991-12-23 Cdma 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치

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US (1) US5136612A (ko)
EP (1) EP0493904B1 (ko)
JP (1) JP2520535B2 (ko)
KR (1) KR100242620B1 (ko)
DE (1) DE69122371T2 (ko)

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EP0493904A2 (en) 1992-07-08
DE69122371D1 (de) 1996-10-31
KR100242620B1 (ko) 2000-02-01
US5136612A (en) 1992-08-04
EP0493904B1 (en) 1996-09-25
DE69122371T2 (de) 1997-04-03
JPH04296126A (ja) 1992-10-20
EP0493904A3 (en) 1992-09-23
JP2520535B2 (ja) 1996-07-31

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