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특허 상세정보

Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04B-001/69    H04B-001/707    H04B-001/713   
미국특허분류(USC) 375/149; 375/145; 375/367; 370/515
출원번호 UP-0788209 (2004-02-26)
등록번호 US-7593453 (2009-10-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Volpe and Koenig, P.C.
인용정보 피인용 횟수 : 4  인용 특허 : 225
초록

A spread spectrum signal having an associated code is tracked at a receiver. A plurality of components of the spread spectrum signal are despread using the associated code. Each of the plurality of components has a different code phase than all others of the plurality of code phases. Each of the plurality of components is weighted based on a phase difference between that component and a center code phase associated with the plurality of components. A tracking error is determined based on the weighted components.

대표
청구항

What is claimed is: 1. A method implemented in a communication device for tracking a spread spectrum signal having an associated code at a receiver, the method comprising: despreading by a despreading device a plurality of components of the spread spectrum signal using the associated code, each of the plurality of components having a different code phase than all others of the plurality of code phases; weighting each of the plurality of components with a weight value based on a phase difference between that component and a center code phase of the plura...

이 특허에 인용된 특허 (225)

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