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KR960039708A - Reverse Power Control Circuit Using Forward Automatic Gain Control of Mobile Communication Wireless Repeater and Its Method - Google Patents

Reverse Power Control Circuit Using Forward Automatic Gain Control of Mobile Communication Wireless Repeater and Its Method Download PDF

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Publication number
KR960039708A
KR960039708A KR1019950009256A KR19950009256A KR960039708A KR 960039708 A KR960039708 A KR 960039708A KR 1019950009256 A KR1019950009256 A KR 1019950009256A KR 19950009256 A KR19950009256 A KR 19950009256A KR 960039708 A KR960039708 A KR 960039708A
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KR
South Korea
Prior art keywords
circuit
amplifier
reverse
automatic gain
gain control
Prior art date
Application number
KR1019950009256A
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Korean (ko)
Other versions
KR0160568B1 (en
Inventor
유명환
윤태오
Original Assignee
권혁조
주식회사 신세기통신
서호석
주식회사 Knc
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Publication date
Application filed by 권혁조, 주식회사 신세기통신, 서호석, 주식회사 Knc filed Critical 권혁조
Priority to KR1019950009256A priority Critical patent/KR0160568B1/en
Publication of KR960039708A publication Critical patent/KR960039708A/en
Application granted granted Critical
Publication of KR0160568B1 publication Critical patent/KR0160568B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15535—Control of relay amplifier gain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers

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

Abstract

본 발명은 이동통신 무선 중계기의 순방향 자동이득제어를 이용한 역방향 전력 제어회로 및 그 방법에 관한 것으로서, 순방향회로(1)와 역방향회로(2)를 구비한 이동통신 무선중계기에 있어서, 순·역방향회로(1), (2)에 있는 제1, 2혼합기(23), (23'), (24)(24')에 국부발진증폭부(30)를 연결하고, 순방향회로(1)에 있는 중간주파증폭기(25)와 전력증폭기(28) 및 역방향회로(2)에 있는 중간주파증폭기(25')에 자동이득조절용증폭기(31)를 연결하여서 된 구성으로 순방향회로(1)의 자동이득제어회로에 연동으로 역방향회로(2)의 전력을 제어할 수 있을 뿐만 아니라 중계기의 권역내에 있는 모든 이동국의 전송신호가 기지국에 규정된 강도로 수신되도록 하여, 주어진 주파수대역내에서 시스템을 최대화 할 수 있으며, 채널간의 간섭을 최소화하여, 통신품질을 향상시켜 수많은 가입자들에게 쾌적하고 명랑한 통신을 이루도록 하는 동시에 중계기로서의 역할을 십분 발휘할 수 있는 것이다.The present invention relates to a reverse power control circuit using a forward automatic gain control of a mobile communication wireless repeater and a method thereof, and a forward and reverse circuit in a mobile communication wireless repeater having a forward circuit (1) and a reverse circuit (2). Connect the local oscillation amplifier 30 to the first and second mixers 23, 23 ', and 24 and 24' in (1) and (2), and in the forward circuit (1) The automatic gain control circuit of the forward circuit 1 is constructed by connecting the automatic gain control amplifier 31 to the main amplifier 25, the power amplifier 28, and the intermediate frequency amplifier 25 'in the reverse circuit 2. In addition to controlling the power of the reverse circuit 2 in conjunction with, the transmission signals of all mobile stations in the repeater's area can be received at a specified intensity at the base station, thereby maximizing the system within a given frequency band. Minimize the interference between the two, improve communication Is at the same time to achieve a pleasant and cheerful communications to subscribers to fully exercise its role as a repeater.

Description

이동통신 무선 중계기의 순방향 자동이득제어를 이용한 역방향 전력 제어회로 및 그 방법Reverse Power Control Circuit Using Forward Automatic Gain Control of Mobile Communication Wireless Repeater and Its Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 채용된 순방향회로의 자동이득제어를 이용한 역방향의 전력 제어회로를 포함한 이동통신 무선 중계기의 구성도.2 is a block diagram of a mobile communication wireless repeater including a reverse power control circuit using automatic gain control of a forward circuit employed in the present invention.

Claims (3)

순방향회로(1)와 역방향회로(2)를 구비한 이동통신 무선중계기에 있어서, 순 · 역방향회로(1), (2)에 있는 제1, 2혼합기(23), (23'), (24), (24')에 국부발진증폭부(30)를 연결하고, 순방향회로(1)에 있는 중간주파 증폭기(25)와 전력증폭기(28) 및 역방향회로(2)에 있는 중간주파증폭기(25')에 자동이득조절용증폭기(31)를 연결하여서 구성된 것을 특징으로 하는 이동통신 무선 중계기의 순방향 자동이득제어를 이용한 역방향 전력제어회로.In a mobile communication wireless repeater having a forward circuit (1) and a reverse circuit (2), the first and second mixers (23), (23 ') and (24) in the forward and reverse circuits (1) and (2). And the local oscillation amplifier 30 at (24 '), and the intermediate frequency amplifier (25) in the forward circuit (1) and the intermediate frequency amplifier (25) in the power amplifier (28) and the reverse circuit (2). ') The reverse power control circuit using the automatic forward gain control of the mobile communication wireless repeater, characterized in that configured by connecting the automatic gain control amplifier (31). 제1항에 있어서, 자동이득조절용 증폭기(31)는 저항(R1∼R11)과 가변 저항(Rv1∼Rv3), 캐퍼시터(C1) 및 리니어집적회로(U1), (U2)를 구비하여 구성된 것임을 특징으로 하는 이동통신 무선 중계기의 순방향 자동이득제어를 이용한 역방향 전력 제어회로.2. The amplifier according to claim 1, wherein the automatic gain control amplifier 31 includes resistors R 1 to R 11 , variable resistors R v1 to R v3 , capacitors C1, and linear integrated circuits U 1 , U 2 . Reverse power control circuit using the automatic forward gain control of the mobile communication wireless repeater, characterized in that configured to include. 순방향회로(1)의 전력증폭기(28)에서 출력되는 전력을 검출하여 검파된 직류성분을 자동이득조절용 증폭기(31)를 통해 순방향회로(1)의 중간 주파증폭기(25)와 역방향회로(2)의 중간주파증폭기(25')에 분할하여 궤환입력시켜 역방향회로(2)에 자동이득조절기를 사용함이 없이 순방향자동이득제어기를 이용하여 역방향 전력을 제어하는 것을 특징으로 하는 무선통신 중계기의 순방향 자동이득제어를 이용한 역방향 전력제어 방법.The intermediate frequency amplifier 25 and the reverse circuit 2 of the forward circuit 1 are detected by detecting the power output from the power amplifier 28 of the forward circuit 1 through the automatic gain control amplifier 31. Is divided into the intermediate frequency amplifier 25 'of the feedback circuit and the feedback is inputted to control the reverse power using the forward automatic gain controller without the use of the automatic gain controller in the reverse circuit (2). Reverse power control method using control. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950009256A 1995-04-19 1995-04-19 Circuits and method of power control of reverse link by automatic gain controller of forward link in repeater of radio mobile communication KR0160568B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950009256A KR0160568B1 (en) 1995-04-19 1995-04-19 Circuits and method of power control of reverse link by automatic gain controller of forward link in repeater of radio mobile communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950009256A KR0160568B1 (en) 1995-04-19 1995-04-19 Circuits and method of power control of reverse link by automatic gain controller of forward link in repeater of radio mobile communication

Publications (2)

Publication Number Publication Date
KR960039708A true KR960039708A (en) 1996-11-25
KR0160568B1 KR0160568B1 (en) 1998-12-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100324026B1 (en) * 1999-04-16 2002-02-19 박종희 Automatic gain control circuit of repeater
KR100324027B1 (en) * 1999-04-16 2002-02-19 박종희 Control circuit of repeater
KR100412014B1 (en) * 2001-12-13 2003-12-24 주식회사 에이스테크놀로지 An intermediate frequency repeater enable to control the power and control method thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100604677B1 (en) * 2003-05-28 2006-07-26 (주)에어포인트 Code Division Multiple Access Wireless Repeater with Feedback Signal Cancellation and Automatic Output Strength Control
KR100736760B1 (en) * 2006-03-29 2007-07-09 주식회사알에프윈도우 Forward and reverse link automatic power control repeater system and method thereof
KR100890634B1 (en) * 2006-12-06 2009-03-27 한국전자통신연구원 Rf repeater of time division duplexing and method thereof
KR100897896B1 (en) * 2007-06-14 2009-05-18 주식회사 케이티프리텔 Repeater and method for controlling reverse gain in mobile communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100324026B1 (en) * 1999-04-16 2002-02-19 박종희 Automatic gain control circuit of repeater
KR100324027B1 (en) * 1999-04-16 2002-02-19 박종희 Control circuit of repeater
KR100412014B1 (en) * 2001-12-13 2003-12-24 주식회사 에이스테크놀로지 An intermediate frequency repeater enable to control the power and control method thereof

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Publication number Publication date
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