Analysis of different direction of arrival (DOA) estimation techniques using smart antenna in wireless communications

  • Authors:

  • M. Siva Ganga Prasad;P. Siddaiah;L. Pratap Reddy

  • Affiliations:

  • KL College of Engg, Guntur, Andhrapradesh, India;KL College of Engg, Guntur, Andhrapradesh, India;JNTU Hyderabad, India

  • Venue:
  • Proceedings of the International Conference on Advances in Computing, Communication and Control
  • Year:
  • 2009

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Abstract

Smart antenna systems plays an important role in wireless communications systems. This paper begins with a brief introduction about an Array correlation matrix in the wireless communication. After that, the goal of Direction Of Arrival (DOA) estimation with smart antennas in the wireless communications systems is described. The three different types of DOA estimation techniques Bartlett DOA estimation, Minimum Variance Distortionless Response (MVDR) and Linear prediction DOA estimation techniques are described in the fourth part of this paper. In the last section of this paper comparison of their performance evaluation of these three methods and conclusion are made.