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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

CDMA communication system and its transmission power control method

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04B-007/185    H04B-007/216   
미국특허분류(USC) 370/318 ; 370/335
출원번호 US-0985281 (1997-12-04)
우선권정보 JP0326493 (1996-12-06)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Mattingly, Stanger & Malur, P.C.
인용정보 피인용 횟수 : 62  인용 특허 : 11
초록
▼

An uplink channel transmission power control method is provided for a CDMA mobile communication system performing one way communication. A base station measures the received level of data transmitted from each mobile terminal at each channel, and generates a transmission power control signal of each uplink traffic channel. The generated transmission power control signals are multiplexed, and the multiplexed common transmission power control signal is transmitted to all mobile terminals by using the common channel shared by the mobile terminals. Each mobi...

대표
청구항
▼

[ What is claimed is:] [1.]1. A transmission power control method for a CDMA communication system, comprising: a base station and a plurality of mobile terminalsperforming communication by CDMA;a plurality of said mobile terminals transmitting over uplink traffic channels to said base station;said base station measuring the reception level of a signal transmitted from each of said plurality of mobile terminals, generating a transmission control signal in accordance with the reception level and a common transmission power control signal containing said tr...

이 특허에 인용된 특허 (11)

  1. Honkasalo Zhi-Chun ; Honkasalo Harri ; Jokinen Harri,FIX ; Posti Harri,FIX ; Lin David. Control of handover and transmission power control of mobile station in a mobile telecommunications system. USP1999115991627.
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  3. I Chih-Lin ; Sabnani Krishan Kumar. Controlling power and access of wireless device to base stations which use code division multiple access. USP1998075784360.
  4. Jalali Ahmad ; Krzymien Witold,CAX ; Mermelstein Paul,CAX. Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems. USP1998105828662.
  5. Ohtake Koji (Kawasaki JPX). Method of determining initial transmission power. USP1996015487180.
  6. Komatsu Masahiro,JPX. Mobile communication system and base station for use therein. USP1998085794129.
  7. Hulbert Anthony Peter,GB2. Mobile radio power control device using the comparison of retransmitted data. USP1998015713074.
  8. Walton ; Jr. Jay R. (Westford MA) Ketchum John W. (Watertown MA). Power control in a CDMA network. USP1997045621723.
  9. Quick ; Jr. Roy F. (San Diego CA). Random access communications channel for data services. USP1997095673259.
  10. Tiedemann ; Jr. Edward G. (San Diego CA). Remote transmitter power control in a contention based multiple access system. USP1997025604730.
  11. Soliman Samir S.. System and method for determining received pilot power and path loss in a CDMA communication system. USP1998085799005.

이 특허를 인용한 특허 피인용횟수: 62

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