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Performance Analysis of Multiband OFDM System Over Ultra Wide Band Channels Using Kalman Filter

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Abstract

In this paper a modified version of Saleh-Valenzuela (S-V) channel model has been proposed for Ultra Wide Band (UWB) Orthogonal Frequency Division Multiplexing (OFDM) system and the performance has been estimated. In the proposed model, Poisson process has been modified for ray arrival rate and found that the proposed model is optimum for modeling ray arrival rate as compared to S-V model. Also Nakagami fading distribution has been considered in UWB channel model which suits for time varying multipath radio environment. The performance of the proposed channel model has been statistically analyzed over multiband OFDM by considering frequency domain channel estimation technique. The estimated coefficients have been tracked using Kalman filter technique and found that it gives more accurate prediction of channel coefficients as compared with Least Squares and Minimum Mean Square Estimation channel estimation techniques.

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Authors and Affiliations

  1. Centre for Advanced Research, Electronics and Communication Engineering, Muthayammal Engineering College, Rasipuram, 637408, Tamil Nadu, India

    C. Venkatesh & M. Madheswaran

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  1. C. Venkatesh
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  2. M. Madheswaran
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Correspondence to M. Madheswaran.

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Venkatesh, C., Madheswaran, M. Performance Analysis of Multiband OFDM System Over Ultra Wide Band Channels Using Kalman Filter. Wireless Pers Commun 68, 1121–1134 (2013). https://doi.org/10.1007/s11277-012-0750-z

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  • DOI: https://doi.org/10.1007/s11277-012-0750-z

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