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     Research Journal of Applied Sciences, Engineering and Technology


Performance Analysis of the Different Null Steering Techniques in the Field of Adaptive Beamforming

Shahid Mehmood, Zafar Ullah Khan, Fawad Zaman and Bilal Shoaib
Department of Electronic Engineering, Faculty of Engineering and Technology, International Islamic University, Islamabad, Pakistan
Research Journal of Applied Sciences, Engineering and Technology  2013  15:4006-4012
http://dx.doi.org/10.19026/rjaset.5.4468  |  © The Author(s) 2013
Received: November 27, 2012  |  Accepted: January 14, 2013  |  Published: April 25, 2013

Abstract

In this study, we compare the performance of three null steering techniques using uniform linear array. These techniques include Null Steering without using Phase Shifters, Null Steering by Decoupling the Real Weights and Null Steering by Decoupling the Complex Weights. The evaluation criteria of these techniques is based on the bases of different parameters i.e., null depth, main beam width, side lobe levels, number of steerable nulls, computational complexity and number of sensors used in the array. The validity and effectiveness of these techniques is reflected by the resultant radiation pattern of the array.

Keywords:

Adaptive beamforming, independent null steering, linear arrays, null steering,


References


Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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