KR940020733A - 다이버시티 수신기(diversity receiver) - Google Patents

다이버시티 수신기(diversity receiver) Download PDF

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Publication number
KR940020733A
KR940020733A KR1019940003444A KR19940003444A KR940020733A KR 940020733 A KR940020733 A KR 940020733A KR 1019940003444 A KR1019940003444 A KR 1019940003444A KR 19940003444 A KR19940003444 A KR 19940003444A KR 940020733 A KR940020733 A KR 940020733A
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South Korea
Prior art keywords
circuit
signal
detection
modulation
outputting
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KR1019940003444A
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English (en)
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KR0143039B1 (ko
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케이코 세키
코지 오구라
Original Assignee
사토 후미오
가부시끼가이샤 도시바(Kabushiki Kaisha Toshiba)
오카모토 세이지
도시바 마이크로일렉트로닉스 가부시키가이샤(Toshiba Micro-Electronics Corporation)
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Application filed by 사토 후미오, 가부시끼가이샤 도시바(Kabushiki Kaisha Toshiba), 오카모토 세이지, 도시바 마이크로일렉트로닉스 가부시키가이샤(Toshiba Micro-Electronics Corporation) filed Critical 사토 후미오
Publication of KR940020733A publication Critical patent/KR940020733A/ko
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Publication of KR0143039B1 publication Critical patent/KR0143039B1/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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0828—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with delay elements in antenna paths

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)

Abstract

본 발명은 안정된 수신을 보증할 수 있고 회로규모가 작은 다이버시티 수신기를 제공하기 위한 것이다. 이를 위한 본 발명은, 안테나(110,120)와 각각 접속되어, 접속된 안테나로부터 입력된 수신신호의 베이스밴드 신호로의 주파수변환을 행하는 무선회로(111,121)와; 이들 무선회로(111,121)로부터 입력된 중간주파수신호를 비교하여 사용해야 할 베이스밴드신호를 지정하는 다이버시티 브랜치 비교회로(130); 이 다이버시티 브랜치 비교회로(130)에서 지정된 베이스밴드신호의 지연검파를 행하여 검파신호를 출력하는 베이스밴드 지연검파회로(140); 이 베이스밴드 지연검파회로(140)로부터 입력된 검파신호를 이용하여 내부클록을 생성하는 DPLL회로(150)를 구비하여 구성돼 있다.

Description

다이버시티 수신기 (DIVERSITY RECEIVER)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예에 관한 다이버시티 수신기의 구성을 개략적으로 나타낸 블럭도.

Claims (2)

  1. 복수의 안테나(110,120)를 갖추고, 이들 각 안테나의 수신신호중에서 선택된 수신신호의 복조데이터를 출력하는 다이버시티 수신기로서, 임의의 상기 안테나와 각각 접속되어, 접속된 상기 안테나로부터 입력된 수신신호를 변조해서 변조신호를 출력하는 복수의 무선회로(111,121)와, 이들 복수의 무선회로가 각각 출력한 상기 변조 신호중에서 사용해야 할 변조신호를 지정하는 비교회로(130), 상기 복수의 무선회로로부터 상기 변조신호를각각 입력하여, 상기 비교회로에서 지정된 변조신호의 검파신호를 출력하는 검파회로(140), 이 검파회로로부터 입력된 상기 검파신호를 이용하여 내부클록을 생성하는 다지탈 위상잠금 루프회로(150)를 구비하여 구성된 것을 특징으로 하는 다이버시티 수신기.
  2. 제1항에 있어서, 상기 검파회로는, 상기 복수의 무선회로로부터 각각 입력된 상기 변조신호를 지연시켜 지연변조신호를 출력하는 지연수단(210,220,230,240)과. 각각의 상기 변조신호 및 상기 지연변조신호를 입력하여,상기 비교회로에서 지정된 상기 변조신호와 이에 대응하는 상기 지연변조신호를 출력하는 선택수단(250), 이 선택수단으로부터 입력된 상기 변조신호 및 상기 지연변조신호를 이용하여 지연검파연산을 행하는 연산수단(260)을 구비한 것을 특징으로하는 다이버시티 수신기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940003444A 1993-02-26 1994-02-25 다이버시티 수신기 KR0143039B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3802393 1993-02-26
JP93-38023 1993-02-26

Publications (2)

Publication Number Publication Date
KR940020733A true KR940020733A (ko) 1994-09-16
KR0143039B1 KR0143039B1 (ko) 1998-08-01

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US (1) US5805643A (ko)
EP (1) EP0613260B1 (ko)
KR (1) KR0143039B1 (ko)
DE (1) DE69434015D1 (ko)

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Also Published As

Publication number Publication date
EP0613260B1 (en) 2004-09-22
US5805643A (en) 1998-09-08
EP0613260A3 (en) 1996-10-09
DE69434015D1 (de) 2004-10-28
EP0613260A2 (en) 1994-08-31
KR0143039B1 (ko) 1998-08-01

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