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Beamforming algorithm based on SPSA for mobile satellite receiver

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4 Author(s)
Zhang, F.G. ; Dept. of Electron. & Inf. Eng., Xi'an Res. Inst. of High Technol., Xi'an, China ; Jia, W.M. ; Jin, W. ; Yao, M.L.

For the vehicle-mounted phased-array antenna in the mobile satellite receiver, a novel beamforming algorithm based on improved simultaneous perturbation stochastic approximation (SPSA) is developed. It estimates the gradient of the received signal power in the assured direction rather than fully isotropic by adding a fit searching direction. Besides the SPSA beamforming algorithm's merit, the proposed method can track the target satellite quickly, accurately and steadily in the single-channel receiver. Computer simulations verify that the proposed algorithm is indeed robust and effective.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 22 )