Multiple Rayleigh fading channels modeling based on sum-of-sinusoids model

Yu Gan, You Wu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Assessing the performance of communication system is critical in system design in mobile communication study. Numerous methodologies have been employed to facilitate the assessment, amongst which generation of multiple fading channels is widely used and thus of great interest to us. Specifically,multiple Rayleigh fading channels are extensively utilized in simulation of the following: MIMO channels, amplify-And-forward fading channels, frequency-selective channels, etc. The existing model to generate Rayleigh fading channels is the sum of sinusoids (SOS). However, the SOS model is flawed, as it sometimes generates impure correlated channels. That is, a small fraction of correlated channels are generated when we anticipate uncorrelated or vice versa. In this paper, on the basis of the concept of SOS, we introduce a new computational model to generate Rayleigh channels that completely match our anticipation-fully uncorrelated or fully correlated channels. Additionally, we also propose a design method to reduce the number of sinusoids, thus we achieve reduced computational cost of the system. Simulation results and comparison analysis indicate that, with reduced computational cost, our method is able to produce pure Rayleigh fading channels-100% uncorrelated or the opposite.

Original languageEnglish
Pages (from-to)2997-3012
Number of pages16
JournalInternational Journal of Communication Systems
Volume27
Issue number11
DOIs
StatePublished - 1 Nov 2014

Keywords

  • Mobile communications
  • Multiple fading channels
  • Rayleigh process
  • SOS model

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