Author(s): A.N. Jadhav, V. M. Mhalgi, D.D. Khumane
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol.1 - Issue 3 ( May- 2012)
This paper presents wireless communication and it”Ēs simulation results using adaptive smart antenna system based on direction of arrival estimation and null steering. Direction of arrival (DOA) estimation is based on the PM algorithm for identifying the directions of the desired signals and the null steering beamformer adaptively adapts the antenna pattern to steer the main beam towards the desired user and nullify all other interference. This system can be used to reduce multipath, co-channel interference and provide value added services . These benefits include the enhancement of coverage and the channel capacity, lower transmitted power, better signal quality, higher data rate and providing value-added services such as user”Ēs position location (PL) and at the same time to minimize interference arising from other user by introducing nulls in their direction. Also this paper deals with adaptive beam forming approach for the dynamic case based on smart antennas and adaptive algorithms used to compute the complex weights like Least Mean Square (LMS) algorithm.
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