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[미국특허] CPS transform correlation receiver and method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/216
출원번호 US-0441670 (1989-11-27)
발명자 / 주소
  • Ma Stephen C. (Mesa AZ) Durboraw
  • III Isaac N. (Scottsdale AZ)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 155  인용 특허 : 4

초록

A method for rapid acquisition of multiple GPS signals builds upon fast Fourier transformation of input GPS signals to simultaneously track multiple satellites and derive psuedorange measurements that are suitable for navigation solution. The method utilizes 2M samples of the reference signal with N

대표청구항

A GPS transform correlator comprising: first means for receiving a composite of multiple satellite signal inputs to compute a 2M FFT (fast Fourier transform) of said composite of multiple satellite signal inputs, where M is equal to or greater than a number of samples in a code period; second means

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

  1. Janc Robert V. (Palos Heights IL) Jasper Steven C. (Hoffman Estates IL), Digital global positioning system receiver.
  2. MacDoran Peter F. (Pasadena CA) Spitzmesser Donovan J. (La Crescenta CA), Method and apparatus for deriving pseudo range from earth-orbiting satellites.
  3. Jasper Steven C. (Hoffman Estates IL), Method of doppler searching in a digital GPS receiver.
  4. Kilvington John (Farnborough GB2), Receivers for navigation satellite systems.

이 특허를 인용한 특허 (155) 인용/피인용 타임라인 분석

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