SIGNAL PROCESSING METHOD FOR ULTRA-FAST ACQUISITION AND TRACKING OF SEVERELY ATTENUATED SPREAD SPECTRUM SIGNALS WITH DOPPLER FREQUENCY AND APPARATUS THEREOF도플러 주파수와 그 장치를 갖는 심하게 감쇠된 확산 스펙트럼 신호의 초고속 획득과 트래킹을 위한 신호 프로 세싱 방법

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A signal processing method for ultra-fast acquisition and tracking of severely attenuated spread spectrum signals with Doppler frequency and apparatus thereof are disclosed herein. The signal processing method may include a step of searching for at least one receiving signal from Global Navigation Satellite System (GNSS) positioning signals or Spread Spectrum signals in a signal processing device, wherein the step of searching for at least one received signal includes a sparse Doppler frequency search (SDFS) step performing signal search for respective sparse Doppler frequencies being spaced apart from one another by a first interval, and a synthesized Doppler frequency testing (SDFT) step performing signal search for respective synthesized Doppler frequencies being spaced apart from one another by a second interval between the sparse Doppler frequencies, the second interval being shorter than the first interval.
Assignee
KAIST
Country
US (United States)
Issue Date
2018-08-07
Application Date
2015-01-16
Application Number
14599257
Registration Date
2018-08-07
Registration Number
10,042,056
URI
http://hdl.handle.net/10203/255557
Appears in Collection
GT-Patent(특허)
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