FFT-based Fine Frequency Estimation for Weak GPS Signal

Zhang Hong-lun; Ba Xiao-hui; Chen Jie; Zhou Hang

doi:10.11999/JEIT150204

Volume 37 Issue 9

Sep. 2015

Turn off MathJax

Article Contents

Article Navigation > Journal of Electronics & Information Technology > 2015 > 37(9): 2132-2137

Zhang Hong-lun, Ba Xiao-hui, Chen Jie, Zhou Hang. FFT-based Fine Frequency Estimation for Weak GPS Signal[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2132-2137. doi: 10.11999/JEIT150204

Citation:

Zhang Hong-lun, Ba Xiao-hui, Chen Jie, Zhou Hang. FFT-based Fine Frequency Estimation for Weak GPS Signal[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2132-2137. doi: 10.11999/JEIT150204

Citation:

PDF( 265 KB)

FFT-based Fine Frequency Estimation for Weak GPS Signal

doi: 10.11999/JEIT150204

Received Date: 2015-02-03
Rev Recd Date: 2015-05-11
Publish Date: 2015-09-19

Abstract

Abstract

The frequency pull-in process of traditional GPS receiver is time-consuming and its success rate is low under weak GPS signal environments. In order to solve this problem, FFT-based fine frequency estimation methods are presented. To overcome data bit phase transition, new input variables of FFT are constructed by using the squaring or differential algorithm. The experimental results show that the frequency detection probability is above 95% using differential algorithm when C/N0=21 dBHz if prior information of the navigation data is unknown. The frequency detection probability is above 95% using squaring algorithm when C/N0=19 dBHz if prior information of the navigation data is known.
- GPS,
- FFT,
- Frequency pull-in,
- Fine frequency estimation

FullText(HTML)

References(28)

References

莫凡, 王新龙. 高灵敏度GPS捕获技术研究综述[J]. 航空兵器, 2014(2): 19-26.

Mo Fan and Wang Xin-long. Review of acquisition techniques of high sensitivity GPS[J]. Aero Weaponry, 2014(2): 19-26.

Musumeci L, Dovis F, Silva P F, et al.. Design of a very high sensitivity acquisition system for a space GNSS receiver[C]. IEEE/ION Position, Location and Navigation Symposium, California, 2014: 556-568.

李小捷. 弱信号环境下的GNSS信号捕获技术研究[D]. [博士论文], 西安电子科技大学, 2012.

Li Xiao-jie. GNSS signal acquisition techniques in weak signal environment[D]. [Ph.D. dissertation], Xidian University, 2012.

郑伦贵, 尤政, 张高飞, 等. 基于非相干积分的GNSS弱信号捕获[J]. 清华大学学报(自然科学版), 2014, 54(6): 794-798.

Zheng Lun-gui, You Zheng, Zhang Gao-fei, et al.. Acquisition of weak GNSS signals based on non-coherent integration[J]. Journal of Tsinghua University(Science Technology), 2014, 54(6): 794-798.

Wu Ling-juan, Lu Wei-jun, and Yu Dun-shan. Research of weak signal acquisition algorithms for high sensitivity GPS receivers[C]. Asia Pacific Conference on Postgraduate Research in Microelectronics Electronics, Shanghai, 2009: 173-176.

曾庆喜, 唐琳琳, 王庆, 等. GPS软件接收机宽载噪比载波频率精确捕获策略[J]. 中国惯性技术学报, 2013, 21(4): 500-505.

Zeng Qing-xi, Tang Lin-lin, Wang Qing, et al.. Acquisition of fine carrier frequency under wide carrier-to-noise ratio in GPS software receivers[J]. Journal of Chinese Inertial Technology, 2013, 21(4): 500-505.

郑伦贵, 尤政, 张高飞, 等. GNSS接收机的一种快速捕获方法研究[J]. 仪器仪表学报, 2014, 35(4): 807-813.

Zheng Lun-gui, You Zheng, Zhang Gao-fei, et al.. Study on fast GNSS signal acquisition in GNSS receiver[J]. Chinese Journal of Scientific Instrument, 2014, 35(4): 807-813.

Zeng Dan-dan and Li Jin-hai. GPS signal fine acquisition algorithm[C]. International Conference on Information Science and Engineering (ICISE), Hangzhou, 2010: 3729-3732.

安毅, 蔡伯根, 宁滨, 等. 基于简化差分相干积累的北斗B1频点信号精捕获算法[J]. 北京交通大学学报, 2014, 38(2): 1-7.

An Yi, Cai Bai-gen, Ning Bin, et al.. BeiDou B1 signals fine acquisition algorithm based on simplified differentially coherent integration[J]. Journal of Beijing Jiaotong University, 2014, 38(2): 1-7.

Aiello M, Cataliotti M and Nuccio S. A Chirp-Z transform- based synchronizer for power system measurements[J]. IEEE Transactions on Instrumentation and Measurement, 2005, 54(3): 1025-1032.

陈略, 唐歌实, 孟桥, 等. 一种卫星信号频率精确估计方法研究及应用[J]. 遥测遥控, 2010, 31(6): 26-30.

Chen Lue, Tang Ge-shi, Meng Qiao, et al.. Research and application of satellite signal frequency accurate estimation method[J]. Journal of Telemetry, Tracking and Command, 2010, 31(6): 26-30.

黄富彪, 何兵哲. 一种卫星信号载波频率精确估计算法[J]. 现代电子技术, 2012, 35(3): 129-134.

Huang Fu-biao and He Bing-zhe. A carrier frequency accurate estimation algorithm for satellite signal[J]. Modern Electronics Technique, 2012, 35(3): 129-134.

Ba Xiao-hui, Wang Yun, Chen Jie, et al.. An effective algorithm for pull-in and tracking processing of weak GNSS signal[C]. China Satellite Navigation Conference(CSNC), Guangzhou, 2010: 601-605.

王勇松, 赵民建. 微弱GPS信号精捕获算法[J]. 宇航学报, 2010, 31(12): 2671-2676.

Wang Yong-song and Zhao Min-jian. Fine acquisition for weak GPS signal[J]. Journal of Astronautics, 2010, 31(12): 2671-2676.

Baese U M. Digital Signal Processing with Field Programmable Gate Arrays[M]. Fourth Edition, New York: Springer, 2014: 102-103.

伍微, 刘小汇, 李峥嵘, 等. 实现定点DSP汇编层反正切函数的差分进化算法[J]. 系统工程与电子技术, 2005, 27(5): 926-928.

Wu Wei, Liu Xiao-hui, Li Zheng-rong, et al.. Implementation of arc tangent function using assembly in fixed-point DSP based on differential evolution algorithm[J]. Systems Engineering and Electronics, 2005, 27(5): 926-928.

Kaplan D E and Christopher J H. Understanding GPS: Principles and Applications[M]. London: Artech House Inc, 2006: 181.

Parkinson B and Spilker J J. Global Positioning System: Theory and Applications[M]. Washington: AIAA, Inc, 1996: 390-392.

Relative Articles

Supplements(0)

Cited By

Proportional views