Fast communication: Two-sided minimum-variance distortionless response beamformer for MIMO radar

Authors:
Da-Zheng Feng;Xiao-Ming Li;Hui Lv;Hong-Wei Liu;Zheng Bao
Affiliations:
National Laboratory for Radar Signal Processing, Xidian University, Xi'an 710071, China;National Laboratory for Radar Signal Processing, Xidian University, Xi'an 710071, China;National Laboratory for Radar Signal Processing, Xidian University, Xi'an 710071, China;National Laboratory for Radar Signal Processing, Xidian University, Xi'an 710071, China;National Laboratory for Radar Signal Processing, Xidian University, Xi'an 710071, China
Venue:
Signal Processing
Year:
2009

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Abstract

In this letter, we propose a novel two-sided minimum-variance distortionless response (TS-MVDR) beamformer applicable to multi-input multi-output (MIMO) radar systems. For this purpose, a new bi-quadratic cost function is introduced, whose minimum point can be efficiently found by a bi-iterative algorithm (BIA). The convergence of the BIA is analyzed by the well-known LaSalle invariance principle. It is shown via experimental results that the proposed TS-MVDR beamformer can achieve relatively good performance.