Analysis and Simulation of Second-Order Statistics with Modified Characteristic Function Parameters in a Multipath Fading Environment

作者：Dhaka Arvind; Chauhan Siddhartha; Bhaskar Vidhyacharan^*

来源：Wireless Personal Communications, 2018, 100(3): 851-862.

DOI：10.1007/s11277-018-5352-y

• Rayleigh fading channels
• Level crossing rate
• Average fade duration
• Doppler shift
• Sum of sinusoids model and power spectral density

In this paper, we analyse and implement a modified low pass filtering based characteristic function for a multipath Rayleigh fading channel. A new class of this modified filtering sequence based statistical simulation model is proposed for a Rayleigh fading environment. Comparing with the sum-of-sinusoids (SOS) deterministic model and its modifications as a new SOS model, the proposed model reintroduces the randomness to Doppler frequency and initial phase of the sinusoids to have non-deterministic simulators with desired statistical properties. The expressions and simulation results of level crossing rate (LCR) and average fade duration are derived and shown in this paper. Comparison of power spectra reveals that the spectrum spread is much less for our proposed method. Therefore, we would expect reduction in the rapidity of fading which is observed in LCR calculations.

• 出版日期2018-6