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Performance of Target Detection in Phased-MIMO Radars

Publish Year: 1397
Type: Journal paper
Language: English
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Document National Code:

JR_JCESH-7-2_007

Index date: 7 October 2019

Performance of Target Detection in Phased-MIMO Radars abstract

In this paper, the problem of target detection in phased-MIMO radars is considered and target detection performance of phased-MIMO radars is compared with MIMO and phased-array radars. Phased-MIMO radars combine advantages of the MIMO and phased-array radars. In these radars, the transmit array will be partitioned into a number of subarrays that are allowed to overlap and each subarray transmits a waveform which is orthogonal to the waveform transmitted by other subarrays. In this paper, target detection performance of phased-MIMO radars is analysed with two detectors theoretically and simulation results in two cases. First, it is assumed that the transmitted waveforms are ideally orthogonal and secondly the transmitted waveforms are correlated (not fully coherent or ideally orthogonal). The Generalized likelihood ratio test (GLRT) and the likelihood ratio test (LRT) are used for target detection. The closed-form expressions of the false alarm probability and detection probability in presence of Gaussian noise are obtained. Simulation results validate the theoretical analysis.

Performance of Target Detection in Phased-MIMO Radars Keywords:

Multiple-input multiple-output (MIMO) radar , Phased-MIMO radar , Neyman-Pearson criterion , likelihood ratio test (LRT) , Generalized likelihood ratio test (GLRT)

Performance of Target Detection in Phased-MIMO Radars authors

Safieh Jebali

Department of Communication Engineering, University of Sistan and Baluchestan

Hengameh Keshavarz

Communication engineering, University of Sistan and Baluchestan