Combining MUSIC Spatial Sampling and Bootstrap to Estimate Closed Space DOA for Few Samples
Keywords:DOA, Array processing, spatial sampling, MUSIC method, Bootstrap technique
DOA estimation in array processing uses MUSIC (Multiple Signal Classification) algorithm, mainly. It’s the most investigated technique and is very attractive because of its simplicity. However, it meets drawbacks and fails when only very few samples are available and the sources are very close or highly correlated. In these conditions, the problem is more intricate and the detection of targets becomes arduous. To overcome these problems, a new algorithm is developed in this paper. We combine bootstrap technique to increase sample size, spatial sampling and MUSIC method to improve resolution. Through different simulations, the performance and the effectiveness of the proposed approach, referred as spatial Sampling and Bootstrapped technique ‘’SSBoot’’, are demonstrated.
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Copyright (c) 2018 SIDI MOHAMMED HADJ IRID, SAMIR KAMECHE
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