volume | PIER Journals

2017-04-19

A New GE/PSO Antenna Arrays Synthesis Technique and Its Application to DOA Estimation

Amr Hussein Hussein Abdullah

Professor Amr Hussein Hussein Abdullah

Tanta University

Egypt

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Progress In Electromagnetics Research M, Vol. 56, 43-52, 2017

doi:10.2528/PIERM17010706

Abstract

Direction of arrival estimation has a noteworthy significance in numerous applications, such as radar systems, smart antennas, sonar, mobile communications, and space communications. The algorithms used to estimate the direction of arrival are to some degree complex and time consuming. Also, the number of antenna elements is a discriminating parameter for assessing the performance of the DoA technique. For real time systems, quick and savvy techniques are required. Along these lines, decreasing the estimation time and also reducing the system cost while keeping a generally high precision are crucial issues. In this paper, a new technique for linear antenna arrays synthesis using optimized number of antenna elements and its application to direction of arrival estimation is introduced. The synthesized arrays exhibit approximately the same radiation pattern as the original arrays. The optimized antenna arrays are synthesized using reduced number of antenna elements. In this case, the number of antenna elements reduction will minimize the system cost and decrease the number of picked samples from the different signal sources. As the number of samples decreases, the dimensions of the steering matrix and data correlation matrix are reduced. In this context, the computational burden, estimation time, and system cost are optimized. The proposed technique can be applied to single or multi-snapshot DoA estimation techniques.

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Amr Hussein Hussein Abdullah, "A New GE/PSO Antenna Arrays Synthesis Technique and Its Application to DOA Estimation," Progress In Electromagnetics Research M, Vol. 56, 43-52, 2017.
doi:10.2528/PIERM17010706

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