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Method and apparatus for location finding in a CDMA system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-003/02
출원번호 US-0436760 (1995-05-08)
발명자 / 주소
  • Ghosh Amitava (Fort Worth TX) Reed John D. (Arlington TX) Rozanski
  • Jr. Walter J. (Hurst TX) Buford Kevin A. (Wheaton IL)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 175  인용 특허 : 0

초록 ▼

A method and apparatus for determining the location of a communication unit in a CDMA system includes in a first embodiment, sending a location request via a spread spectrum signal to the subscriber (140), and receiving in return a subscriber signal including a response message showing a receive tim

대표청구항 ▼

A method for determining the location of a subscriber unit in a CDMA (code division multiple access) wireless communication system having plural base stations, comprising: (a) sending a first spread spectrum signal including a location request from a first base station of the plural base stations to

이 특허를 인용한 특허 (175)

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