AN ADAPTIVE ANTENNA UTILIZING MUSIC AND LINEARLY CONSTRAINED MINIMUM VARIANCE (LCMV) ALGORITHMS | ||
| The International Conference on Electrical Engineering | ||
| Article 80, Volume 5, 5th International Conference on Electrical Engineering ICEENG 2006, May 2006, Pages 1-13 PDF (233.66 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/iceeng.2006.33687 | ||
| Authors | ||
| MOHAMED E. A1; Tan Z. Z.2 | ||
| 1Egyptian Armed Forces. | ||
| 2Professor, School of Electronics, BUAA, Beijing, China. | ||
| Abstract | ||
| ABSTRACT This paper introduces a new structure based on the MUSIC algorithm and linearly constrained minimum variance (LCMV) to highly suppress the jammers to the GPS receiver. This structure is capable of adjusting the weights of the antenna array in real time to respond to the signals coming from the desired directions while highly suppress the jammers coming from the other directions. The simulations were performed for fixed and moving jammers. It indicates that this structure can give deeper nulls to the jammers directions, up to 120 dB nulls depths for fixed jammers and more than 99 dB depths for the moving one. These nulls are very deep related to that attained by MUSIC algorithm alone especially when the jammer signal power to the GPS signal is low. | ||
| Keywords | ||
| Adaptive antenna; music; linearly constrained minimum variance (LCMV); and GPS anti-jamming | ||
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