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GLOBECOM - IEEE Global Telecommunications Conference
Channel simulators; Deterministic channel modeling; Mobile fading channels; Non-isotropic scattering; Set partitioning; Sum-of-sinusoids principle Autocorrelation; Computational complexity; Fading channels; Mathematical models; Wireless networks; Channel simulators; Deterministic channel modeling; Modified MEA; Non-isotropic scattering; Set partitioning; Sinusoids; Sum-of-sinusoids principle; Computer simulation
This paper presents a modified version of the method of equal areas (MEA) for designing simulation models for frequency non-selective mobile fading channels under nonisotropic scattering conditions. The proposed method, called modified MEA (MMEA), is well suited for channel simulators based on a finite sum of complex sinusoids. The combination of the MMEA with the principle of set partitioning is also proposed here as an efficient way to improve the performance of the simulator and to reduce the computational costs. Such a combination results in a new parameter computation method called MMEA with set partitioning (MMEA-SP). The MMEA and the MMEA-SP are quite general and can be applied on any given distribution of the angle of arrival (AOA). However, to exemplify the good performance of both methods, it is assumed that the AOA follows the von Mises distribution. The obtained results demonstrate that the two proposed methods approximate the autocorrelation function (ACF) of non-isotropic scattering channels with high precision. © 2007 IEEE.
Sum-of-sinusoids-based simulation of flat fading wireless propagation channels under non-isotropic scattering conditions
Generically Dependent Continuant
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