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Performance Analysis of LMS and Fractional LMS Algorithms for Smart Antenna System

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Book cover Microelectronics, Electromagnetics and Telecommunications

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 521))

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Abstract

Adaptive smart antennas are used as spatial filters for receiving the intended signals arriving from specific directions while nullifying the reception of undesired signals emanating from other directions. The LMS algorithm becomes most prominent technique used in several applications including beamforming of antenna array because of its simplicity and robustness. In this paper, a variant of LMS called Fractional LMS (FLMS) is proposed for updating the complex weights of the uniform circular array and its performance is compared with standard LMS algorithm. Simulation results show that FLMS converges faster than LMS and gives a good reduction of side lobes as compared to LMS algorithm.

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Authors and Affiliations

  1. ECE Department, Acharya Nagarjuna University, Guntur, India

    K. Sridevi

  2. ECE Department, VR Siddhartha Engineering College, Vijayawada, India

    A. Jhansi Rani

Authors
  1. K. Sridevi
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  2. A. Jhansi Rani
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Corresponding author

Correspondence to K. Sridevi .

Editor information

Editors and Affiliations

  1. School of Electrical Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar, Odisha, India

    Ganapati Panda

  2. School of Computer Engineering, KIIT Deemed to be University, Bhubaneswar, Odisha, India

    Suresh Chandra Satapathy

  3. Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering (Autonomous), Visakhapatnam, Andhra Pradesh, India

    Birendra Biswal

  4. Electronics and Communication Engineering, University of Pretoria, Pretoria, South Africa

    Ramesh Bansal

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© 2019 Springer Nature Singapore Pte Ltd.

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Sridevi, K., Jhansi Rani, A. (2019). Performance Analysis of LMS and Fractional LMS Algorithms for Smart Antenna System. In: Panda, G., Satapathy, S., Biswal, B., Bansal, R. (eds) Microelectronics, Electromagnetics and Telecommunications. Lecture Notes in Electrical Engineering, vol 521. Springer, Singapore. https://doi.org/10.1007/978-981-13-1906-8_20

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  • DOI: https://doi.org/10.1007/978-981-13-1906-8_20

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-1905-1

  • Online ISBN: 978-981-13-1906-8

  • eBook Packages: EngineeringEngineering (R0)

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