Biquaternion Capon beamformer using four-component vector-sensor arrays
by Xiaoming Gou; Zhiwen Liu; Yougen Xu; Xiaofeng Gong
International Journal of Sensor Networks (IJSNET), Vol. 19, No. 3/4, 2015

Abstract: A hypercomplex variant of Capon beamformer, called biquaternion Capon (BQ-Capon), is herein proposed for signal strengthening with four-component vector-sensor arrays. This BQ-Capon beamformer extracts the signal-of-interest (SOI) while rejecting interferences plus noise in a multiple-input-multiple-output (MIMO) fashion. Simulation results show that BQ-Capon beamformer outperforms the standard long-vector counterpart in convergence and sensitivity to mismatch in SOI steering vector.

Online publication date: Thu, 05-Nov-2015

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