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A simple parallel ray approximation based stochastic channel model for multiple-input multiple-output (MIMO) ultra-wideband (UWB) system is proposed. Considering the attenuation of the multipath amplitudes, the phase shift and the difference of arrival time, the IEEE 802.15.3a standard channel model for single-input single-out (SISO) scenario is extended to the spatially correlated MIMO channel. The...
A geometry-based stochastic channel model discussed in this paper was developed in IST-WINNER I, WINNER II, and WINNER+ projects. The model is based on the same principles as, e.g., 3GPP SCM and ITU-R IMT-advanced channel models, and the results are applicable to them as well. The complexity of the channel model has been under discussion within ITU-R working groups as well as in industry planning...
This paper studies the fluctuations of the post-processing SNR at the output of the linear MMSE receiver in (receive) correlated multiple input multiple output (MIMO) systems. Although it is known that asymptotically, the SNR behaves like a Gaussian random variable, this approximation may yield to inaccurate estimates for small dimension. In order to circumvent this, we use gamma and generalized gamma...
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