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SINR Improvement in the Array Radar Using the Joint Design of Transmit-and-Receive Beamforming Vectors | ||
رادار | ||
Article 1, Volume 6, Issue 1 - Serial Number 19, April 2018, Pages 1-8 PDF (1021.68 K) | ||
Document Type: Original Article | ||
Authors | ||
mohammad mahdi nayebi* 1; mahdi rashid2; reza khosravi2 | ||
1دانشگاه صنعتی شریف | ||
2دانشگاه صنعتی خواجه نصیر تهران | ||
Receive Date: 22 May 2017, Accept Date: 12 September 2018 | ||
Abstract | ||
In this paper, the problem of joint optimization of transmit–and-receive Beamforming vectors in array radar is considered. Here, our goal is to maximize the signal-to-interference-plus-noise ratio (SINR) for a point like target in the presence of multiple signal dependent interferences. Therefore, we propose an iterative algorithm, which is based on the convex optimization solution and in each iteration of it, the constrained transmit beamformer is designed by a relaxation and randomization technique. In addition to power constraint, the constant envelop constraint on the transmit beamformer is considered which is important in practice. Simulation results show that the proposed method is able to achieve a higher SINR in comparison with the conventional phased array radar. it is also possible to get close to the performance of non-constrained method by considering the constant envelop constraint. | ||
Keywords | ||
Active Array Radar; Multiple-Input Multiple-Output Radar; SINR; Beamforming Vector | ||
References | ||
[1] J. Li and P. Stoica, “MIMO Radar Signal Processing,” New York, NY, USA: Wiley, 2009. | ||
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