상세정보
학술지
GPS L5 Acquisition Schemes for Fast Code Detection and Improved Doppler Accuracy
- 발행일
- 201002
- 출처
- ETRI Journal, v.32 no.1, pp.142-144
- ISSN
- 1225-6463
- 출판사
- 한국전자통신연구원 (ETRI)
- 협약과제
- 09MR1500, 위성항법지상국시스템 및 탐색구조단말기 기술개발, 이상욱
- 초록
- In this letter, we propose GPS L5 acquisition schemes to detect a fast code phase and improve the accuracy of the Doppler frequency. The proposed approach is based on the code-phase changes which occur during the acquisition processing time originating in the Doppler frequency. The proposed schemes detect a fast code phase within about 1 chip near the estimated code phase and improve the accuracy of the Doppler frequency by up to about 4 times in comparison with the popular Septentrio receiver. The feasibility of the proposed schemes is demonstrated through simulation. © 2010 ETRI.
- KSP 제안 키워드
- Doppler Frequency, FAST code, Phase change, code phase, processing time