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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking in

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04J-013/02    H04B-007/216   
미국특허분류(USC) 370/203 ; 370/209 ; 370/210 ; 370/441
출원번호 US-0368570 (1995-01-04)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 208  인용 특허 : 30
초록
▼

Method and apparatus for tracking the frequency and phase of signals in spread spectrum communication systems that makes more efficient use of available carrier frequency and phase information by utilizing a substantial portion or all of the energy occupying the frequency spectrum of a received carrier signal, including energy from communication signals intended for other system users. Multiple spread spectrum communication signals are input in parallel to data receivers where they are despread using preselected despreading codes at an adjustable phase a...

대표
청구항
▼

A method for tracking the frequency and phase of carrier signals in a spread spectrum communication system in which information is communicated over signals that are bandwidth spread and encoded into channels using orthogonal codes, comprising the steps of: receiving a plurality of spread spectrum communication signals having a common carrier frequency and converting said signals to digital form; despreading said digital spread spectrum communication signals by applying at least one preselected despreading code at an adjustable phase angle; decoding mult...

이 특허에 인용된 특허 (30)

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  28. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Viterbi Andrew J. (La Jol. System and method for generating signal waveforms in a CDMA cellular telephone system. USP1994055309474.
  29. Teranishi Akio (Ebina JPX) Genji Nobuo (Osaka JPX) Itoh Kohji (Yokohama JPX). Transmitting and receiving systems. USP1989124888788.
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