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New Algorithm for Time and Frequency Synchronization in MIMO-OFDM Systems

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Abstract

This paper addresses the problem of time and frequency synchronization in MIMO-OFDM systems, which are extremely sensitive to these errors. A preamble based algorithm is proposed for the estimation of synchronization errors. Product of autocorrelation function and cross correlation function is used for symbol timing offset estimation which reduces the uncertainty in timing estimation due to timing metric plateau. Phase difference between two identical parts of the preamble is used for carrier frequency offset estimation. Simulation results are presented to validate the performance of the algorithm.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Visvesvaraya National Institute of Technology, Nagpur, Maharashtra, India

    Sandeep Kumar Singh & Abhay S. Gandhi

  2. Department of Electronics Engineering, Priyadarshini College of Engineering, Nagpur, Maharashtra, India

    Anagha. P. Rathkanthiwar

Authors
  1. Sandeep Kumar Singh
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  2. Anagha. P. Rathkanthiwar
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  3. Abhay S. Gandhi
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Correspondence to Sandeep Kumar Singh.

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Singh, S.K., Rathkanthiwar, A.P. & Gandhi, A.S. New Algorithm for Time and Frequency Synchronization in MIMO-OFDM Systems. Wireless Pers Commun 96, 3283–3295 (2017). https://doi.org/10.1007/s11277-017-4090-x

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  • DOI: https://doi.org/10.1007/s11277-017-4090-x

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