Title :
Collocated MIMO radar beamforming with two side adaptivity
Author :
Zhou, S.H. ; Liu, Baochang ; Baochang Liu ; Yin, Kuiying
Author_Institution :
Nat. Lab. of Radar Signal Process., Xidian Univ., Xi´´an, China
Abstract :
We propose a beamforming algorithm for collocated multiple-input multiple-output (MIMO) radar with two side adaptivity capability such that more active and inactive interferences can be suppressed at a low computational complexity and a low sample number requirement. Signals only with jamming and noise signals are used as training samples to obtain the weighting vector for receiving beamforming. After receiving beamforming, signals that may contain targets of interest are range compressed and then pass the adaptive transmitting beamforming to suppress inactive interferences. Numerical experiments show that this algorithm can suppress more interferences than the MIMO Capon algorithm, at a lower computation cost than the MIMO two-side beamforming algorithm.
Keywords :
MIMO radar; array signal processing; computational complexity; jamming; radar signal processing; radiofrequency interference; MIMO Capon algorithm; MIMO two-side beamforming algorithm; adaptive transmitting beamforming; collocated MIMO radar beamforming; collocated multiple-input multiple-output radar; computational complexity; inactive interferences; jamming; noise signals; two side adaptivity; Array signal processing; Covariance matrix; Jamming; MIMO; MIMO radar; Signal processing algorithms; Vectors; Collocated MIMO radar; adaptive beamforming; target parameter estimation; two side adaptivity;
Conference_Titel :
Radar (Radar), 2011 IEEE CIE International Conference on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-8444-7
DOI :
10.1109/CIE-Radar.2011.6159486