Channel capacity analysis of various adaptive transmission schemes and BER performance at Beaulieu-Xie fading

Laishram Mona Devi; Aheibam Dinamani Singh

doi:10.3103/S0735272722010034

Authors

Laishram Mona Devi North Easten Regional Institute of Science and Technology, Nirjuli, India
Aheibam Dinamani Singh National Institute of Technology, Manipur, India

DOI:

https://doi.org/10.3103/S0735272722010034

Keywords:

Adaptive transmission, Bit error rate, Channel capacity, probability density function, Beaulieu-Xie fading model.

Abstract

Optimization of spectral efficiency and quality of service can attain functional channel capacity for a wireless communication system. The channel capacity analysis over a fading channel is essential for realizing this goal. A recently developed model called Beaulieu–Xie fading channel model acquires the flavors of flexibility from Nakagami-m fading parameters and the non-centralized chi-distribution of the Rician fading model, which characterizes both line of sight and non-line of sight channels. The current work presents the channel capacity analysis with adaptive transmission techniques over Beaulieu–Xie fading channels. Various adaptive transmission schemes, such as channel inversion with a fixed-rate, truncated channel inversion with a fixed-rate, and optimal rate adaptation, are evaluated for the Beaulieu–Xie fading channel model. Additionally, the performance of the wireless system in terms of the bit error rate of coherent and non-coherent modulation is derived mathematically for this fading channel. Lastly, the mathematical expressions derived are verified with the help of Monte–Carlo simulation or standard results available in the literature.

Author Biography

Laishram Mona Devi, North Easten Regional Institute of Science and Technology, Nirjuli

Department of ECE,

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