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The hybrid radio frequency and FSO communication systems result in mixed RF/FSO cooperative relaying systems in which the FSO systems are in general immune to interference. However, the radio frequency channels suffer from interference by the neighboring devices on the same frequency of operation. The co-channel interference (CCI) therefore needs to be analyzed in order to comprehend the performance of mixed RF/FSO relaying systems. Thus, this chapter analyzes the performance of mixed RF/FSO system in the presence of interference exploiting the \(\alpha -\mu \) model for atmospheric turbulence along with pointing error on the FSO link. The mathematical modeling of the radio frequency links using the Rayleigh distribution is also developed including mathematical derivations for performance metrics such as outage probability, BER, and ergodic capacity for the considered system model. The results suggest that the mixed RF/FSO relaying systems are prone to interference.

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Interference Limited Dual Hop RF/FSO AF Relaying Over \(\alpha -\mu \) Turbulence Channels

  • 章节

  • 发表日期：

    2025年

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  • Abhijeet Upadhya,
  • Vivek K. Dwivedi,
  • Ghanshyam Singh

摘要

The hybrid radio frequency and FSO communication systems result in mixed RF/FSO cooperative relaying systems in which the FSO systems are in general immune to interference. However, the radio frequency channels suffer from interference by the neighboring devices on the same frequency of operation. The co-channel interference (CCI) therefore needs to be analyzed in order to comprehend the performance of mixed RF/FSO relaying systems. Thus, this chapter analyzes the performance of mixed RF/FSO system in the presence of interference exploiting the \(\alpha -\mu \) model for atmospheric turbulence along with pointing error on the FSO link. The mathematical modeling of the radio frequency links using the Rayleigh distribution is also developed including mathematical derivations for performance metrics such as outage probability, BER, and ergodic capacity for the considered system model. The results suggest that the mixed RF/FSO relaying systems are prone to interference.