Performance analysis of GPS pseudolite interference mitigation using adaptive spatial beamforming

Jyh-Chin Juang, Chung Liang Chang

研究成果: Paper

11 引文 (Scopus)

摘要

This paper analyzes, through simulations and experiments, GPS interference mitigation performance against narrowband and pseudolite interferences using adaptive spatial beamforming techniques. The performance of the GPS is known to be susceptible to interferences. Among all interference mitigation techniques, the adaptive antenna array approach is known to be one the most effective as it is capable of creating a null along the direction of the interferer or selectively enhancing the signal quality along the direction of the desired signal source. In the paper, the use of adaptive antenna array in GPS interference mitigation is assessed by means of algorithm development, simulation analysis, and experimental test. In particular, pseudolite-type interferences are considered. A pseudolite-type interference resembles a GPS signal and may affect the signal reception and navigation computation. In the paper, it is shown that against continuous-wave interference and pseudolite-type interferences, a 2×2 array through adaptive processing is capable of tolerating up to 30 dB interference-to-signal ratio.

原文English
頁面1179-1187
頁數9
出版狀態Published - 2005 十二月 1
事件Proceedings of the 61st Annual Meeting of The Institute of Navigation - Cambridge, MA, United States
持續時間: 2005 六月 272005 六月 29

Other

OtherProceedings of the 61st Annual Meeting of The Institute of Navigation
國家United States
城市Cambridge, MA
期間05-06-2705-06-29

指紋

Beamforming
Global positioning system
interference
Smart antennas
performance
Wave interference
Navigation
Processing
simulation
Experiments
experiment

All Science Journal Classification (ASJC) codes

  • Transportation
  • Aerospace Engineering

引用此文

Juang, J-C., & Chang, C. L. (2005). Performance analysis of GPS pseudolite interference mitigation using adaptive spatial beamforming. 1179-1187. 論文發表於 Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, United States.
Juang, Jyh-Chin ; Chang, Chung Liang. / Performance analysis of GPS pseudolite interference mitigation using adaptive spatial beamforming. 論文發表於 Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, United States.9 p.
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Juang, J-C & Chang, CL 2005, 'Performance analysis of GPS pseudolite interference mitigation using adaptive spatial beamforming', 論文發表於 Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, United States, 05-06-27 - 05-06-29 頁 1179-1187.

Performance analysis of GPS pseudolite interference mitigation using adaptive spatial beamforming. / Juang, Jyh-Chin; Chang, Chung Liang.

2005. 1179-1187 論文發表於 Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, United States.

研究成果: Paper

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AB - This paper analyzes, through simulations and experiments, GPS interference mitigation performance against narrowband and pseudolite interferences using adaptive spatial beamforming techniques. The performance of the GPS is known to be susceptible to interferences. Among all interference mitigation techniques, the adaptive antenna array approach is known to be one the most effective as it is capable of creating a null along the direction of the interferer or selectively enhancing the signal quality along the direction of the desired signal source. In the paper, the use of adaptive antenna array in GPS interference mitigation is assessed by means of algorithm development, simulation analysis, and experimental test. In particular, pseudolite-type interferences are considered. A pseudolite-type interference resembles a GPS signal and may affect the signal reception and navigation computation. In the paper, it is shown that against continuous-wave interference and pseudolite-type interferences, a 2×2 array through adaptive processing is capable of tolerating up to 30 dB interference-to-signal ratio.

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Juang J-C, Chang CL. Performance analysis of GPS pseudolite interference mitigation using adaptive spatial beamforming. 2005. 論文發表於 Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, United States.