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Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels

Abstract

We study the effect of interference on the performance of coded FHSS systems. This is achieved by modeling the physical channel in these systems as a block fading channel. In the derivation of the bit error probability over Nakagami fading channels, we use the exact statistics of the multiple access interference (MAI) in FHSS systems. Due to the mathematically intractable expression of the Rician distribution, we use the Gaussian approximation to derive the error probability of coded FHSS over Rician fading channel. The effect of pilot-aided channel estimation is studied for Rician fading channels using the Gaussian approximation. From this, the optimal hopping rate in coded FHSS is approximated. Results show that the performance loss due to interference increases as the hopping rate decreases.

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Correspondence to Salam A. Zummo.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Zummo, S.A. Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels. J Wireless Com Network 2008, 346730 (2008). https://doi.org/10.1155/2008/346730

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  • DOI: https://doi.org/10.1155/2008/346730

Keywords

  • Fading Channel
  • Error Probability
  • Channel Estimation
  • Rate Decrease
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