KR950016041A - Underground comprehensive wireless relay system - Google Patents

Underground comprehensive wireless relay system Download PDF

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Publication number
KR950016041A
KR950016041A KR1019930023982A KR930023982A KR950016041A KR 950016041 A KR950016041 A KR 950016041A KR 1019930023982 A KR1019930023982 A KR 1019930023982A KR 930023982 A KR930023982 A KR 930023982A KR 950016041 A KR950016041 A KR 950016041A
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South Korea
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signal
transmitting
amplifying
transmission
cellular
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KR1019930023982A
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Korean (ko)
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KR970000161B1 (en
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이이용
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정선혁
주식회사 용운전자
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Publication of KR950016041A publication Critical patent/KR950016041A/en
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Publication of KR970000161B1 publication Critical patent/KR970000161B1/en

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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
    • H04B1/59—Responders; Transponders

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

Abstract

본 발명은 지하 종합 무선 중계 시스템에 관한 것으로서, 지상에 설치되어 무선 전파신호를 수신하는 지상수신 안테나; 상기 지상수신안테나에 수신된 전파신호를 전치증폭하는 전치중복수단; 전치중폭된 신호를 주파수대별로 분리하는 안테나 분배수단: 상기 전치증폭된 신호중 AM방송신호를 증폭 및 송출하기 위한 AM송출수단: 상기 분리된 신호중 FM방송신호를 증폭 및 송출하기 위한 FM송출수단: 상기 분리된 신호중 적어도 하나 이상의 페이저신호를 증폭 및 송출하기 위한 적어도 하나 이상의 페이저 송출수단; 지상에 설치되어 셀룰라폰신호를 수신하고 송신하는 지상 송수신안테나: 상기 지상 송수신안테나와 결합되어 셀룰라신호를 증폭 및 송출하기 위한 셀룰라송출수단; 상기 FM송출수단 및 페이저송출수단의 송출신호를 임피던스 정합하기 위한 제1분배수단: 및 상기 AM송출신호, 공용기의 출력신호 및 셀룰라 송출신호를 지하공간에 복사하기 위하여 누설동축케이블 통하여 지하공간의 적어도 한 곳 이상에 설치된 종단저항안테나에 분배하는 제2분배수단을 구비하는 것을 특징으로 한다. 따라서, 본 발명은 라디오방송, 페이저 및 셀룰라 통신, 소방무선통신 및 경찰 지휘무선통신의 무선중계를 할 수 있다.The present invention relates to a comprehensive underground wireless relay system, which is installed on the ground and receives a radio wave signal; Pre-duplicate means for pre-amplifying the radio signal received at the ground receiving antenna; Antenna distribution means for separating the pre-amplified signal by frequency band: AM transmitting means for amplifying and transmitting an AM broadcast signal among the preamplified signals: FM transmitting means for amplifying and transmitting an FM broadcast signal among the separated signals: the separation At least one pager sending means for amplifying and sending at least one pager signal among the received signals; A terrestrial transceiving antenna installed on the ground to receive and transmit a cellular phone signal; cellular transmission means coupled to the terrestrial transceiving antenna to amplify and transmit a cellular signal; First distributing means for impedance matching of the transmission signal of the FM transmission means and the pager transmission means; and at least a portion of the underground space through a leakage coaxial cable to copy the AM transmission signal, the output signal of the common unit, and the cellular transmission signal to the underground space; And a second distribution means for distributing the terminal resistor antennas installed at one or more places. Accordingly, the present invention enables radio broadcasting of radio broadcasting, pager and cellular communication, fire fighting radio communication, and police command radio communication.

Description

지하 종합 무선 중계 시스템Underground comprehensive wireless relay system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 지하 종합 무선 시스템의 블럭도이다.1 is a block diagram of a comprehensive underground wireless system according to the present invention.

제2도는 본 발명에 의한 지하 종합 무선 시스템의 바람직한 일 실시예의 회로도이다.2 is a circuit diagram of a preferred embodiment of the integrated underground wireless system according to the present invention.

Claims (2)

지상에 설치되어 무선전파신호를 수신하는 지상수신안테나; 상기 지상수신안테나에 수신된 전파신호를 전치증폭하는 전치증폭수단; 전치증폭된 신호를 주파수대별로 분기하는 안테나분배수단; 상기 전치증폭된 신호중AM방송신호를 증폭 및 송출하기 위한 AM송출수단: 상기 분리된 신호중 FM방송신호를 증폭 및 송출하기 위한 FM송출수단; 상기 분리된 신호중 적어도 하나 이상의 페이저신호를 증폭 및 송출하기 위한 적어도 하나 이상의 페이저 송출수단; 지상에 설치되어 셀룰라폰신호를 수신하고 송신하는 지상 송수신안테나; 상기 지상 송수신안테나와 결합되어 셀룰라신호를 증폭 및 송출하기 위한 셀룰라송출수단; 상기 AM송출수단 및 페이저송출수단의 송출신호를 임피던스 정합하기 위한 제1분배수단; 및 상기 AM송출신호, 공용기의 출력신호 및 셀룰라 송출신호를 지하공간에 복사하기 위하여 누설동축케이블 통하여 지하공간의 적어도 한 곳 이상에 설치된 종단저항안테나에 분배하는 제2분배수단을 구비하는 것을 특징으로 하는 지하 종합 무선 중계 시스템.A ground reception antenna installed on the ground and receiving a radio wave signal; Preamplification means for preamplifying the radio wave signal received at the ground receiving antenna; An antenna distribution means for branching the preamplified signal for each frequency band; AM transmitting means for amplifying and transmitting an AM broadcast signal among the preamplified signals: FM transmitting means for amplifying and transmitting an FM broadcast signal among the separated signals; At least one pager sending means for amplifying and sending at least one pager signal of the separated signals; A ground transmitting / receiving antenna installed on the ground to receive and transmit cellular signals; Cellular transmission means coupled to the terrestrial transmission / reception antenna for amplifying and transmitting a cellular signal; First distribution means for impedance matching the transmission signals of the AM sending means and the pager sending means; And a second distribution means for distributing the AM transmission signal, the output signal of the common unit, and the cellular transmission signal to a terminating resistor antenna installed in at least one place of the underground space through a leaky coaxial cable in order to copy the underground transmission signal to the underground space. Underground comprehensive wireless relay system. 청구범위 제1항에 있어서. 상기 제1분배수단에는 소방 무선 통신을 위한 접속단자를 더 결합하여서 된 것을 특징으로 하는 지하 종합 무선 중계 시스템.The method of claim 1. Underground integrated wireless relay system, characterized in that the first distribution means further coupled to the connection terminal for fire-wireless communication. ※참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the first application.
KR1019930023982A 1993-11-12 1993-11-12 Radio repeater under ground KR970000161B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930023982A KR970000161B1 (en) 1993-11-12 1993-11-12 Radio repeater under ground

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Application Number Priority Date Filing Date Title
KR1019930023982A KR970000161B1 (en) 1993-11-12 1993-11-12 Radio repeater under ground

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KR950016041A true KR950016041A (en) 1995-06-17
KR970000161B1 KR970000161B1 (en) 1997-01-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100285086B1 (en) * 1998-04-17 2001-03-15 양영석 Underground Wireless Network Relay System
KR100346151B1 (en) * 1999-03-25 2002-08-01 주식회사 하이닉스반도체 Apparatus for space diversity using leakage coaxial cable
KR100372515B1 (en) * 1996-11-27 2003-06-12 엘지정보통신주식회사 Small base station apparatus of cdma mobile communication system
KR100736116B1 (en) * 2005-06-01 2007-07-06 한국전파기지국주식회사 Terrestrial DMB service system for underground railway
KR100880626B1 (en) * 2008-07-01 2009-01-30 장애인표준사업장비클시스템 주식회사 Unified antenna device for a car

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690327B1 (en) * 2004-11-17 2007-03-09 주식회사 쏠리테크 Repeater for receiving a terrestrial wave
KR101711001B1 (en) * 2015-09-21 2017-03-03 케이디테크(주) Portable radio telecommunication system for firefighting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100372515B1 (en) * 1996-11-27 2003-06-12 엘지정보통신주식회사 Small base station apparatus of cdma mobile communication system
KR100285086B1 (en) * 1998-04-17 2001-03-15 양영석 Underground Wireless Network Relay System
KR100346151B1 (en) * 1999-03-25 2002-08-01 주식회사 하이닉스반도체 Apparatus for space diversity using leakage coaxial cable
KR100736116B1 (en) * 2005-06-01 2007-07-06 한국전파기지국주식회사 Terrestrial DMB service system for underground railway
KR100880626B1 (en) * 2008-07-01 2009-01-30 장애인표준사업장비클시스템 주식회사 Unified antenna device for a car

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Publication number Publication date
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