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Space-Time Correlated Mobile-to-Mobile Channels: Modelling and Simulation

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2 Author(s)
Alenka G. Zajic ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA ; Gordon L. Stuber

A single- and double-bounced two-ring parametric reference model is proposed for multiple-input multiple-output (MIMO) mobile-to-mobile (M-to-M) Ricean fading channels. From this model, a closed-form joint space-time correlation function and a space-Doppler power spectrum are derived for a two-dimensional (2D) non-isotropic scattering environment. Also, space-time correlation functions for the in-phase and quadrature components of the complex faded envelope are derived, assuming a 2D isotropic scattering environment. Finally, two new sum-of-sinusoids based simulation models for MIMO M-to-M Ricean fading channels are proposed. The statistics of the simulation models are verified by simulation. The results show that the simulation models are a good approximation of the reference model and that they outperform existing simulation models.

Published in:

IEEE Transactions on Vehicular Technology  (Volume:57 ,  Issue: 2 )