A Novel DOA Measurement Approach for Coherent Signals In MIMO-OFDM System
PROCEEDINGS OF THE 2016 2ND WORKSHOP ON ADVANCED RESEARCH AND TECHNOLOGY IN INDUSTRY APPLICATIONS(2016)
Abstract
In order to solve the problem of low spatial resolution caused by signal correlation for angle estimation, a novel DOA measurement approach for related signal is proposed based on vehicle MIMO-OFDM signal. The proposed method uses the cross-correlation matrix to reconstruct the signal covariance matrix, which can simultaneously estimate the DOAs of relevant and irrelevant signals. Simulation results indicate that the proposed method provides higher resolution performance for coherent sources compared to spatial smoothing algorithms, and the computational complexity is also reduced to some extent.
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Key words
Vehicle Environment,MIMO-OFDM,DOA,Coherent Signals
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