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The main focus of the present contribution is on the statistical assessment of Multiple-Input Multiple-Output (MIMO) systems from the viewpoint of underlying multipath sparsity. In contrast to the implicit assumption of rich multipath in the prevalent i.i.d. MIMO fading model, recent investigations and measurement campaigns have shown that physical channels exhibit a sparse multipath structure that...
In this paper, we explore the concept of inner and outer functions to come up with two novel parametric families of Nyquist pulses. Aside from requiring only two design parameters, the proposed pulses yield an enhanced performance compared to the sophisticated flipped-inverse hyperbolic secant (asech) pulse, that was recently presented in the literature. While the construction of parametric families...
It is common in information theoretic channel models to rely on the average squared Euclidean norm of the channel input as being proportional to transmit power. Likewise, it is common to assume noise that is additive, Gaussian, and white. It is a legitimate question to ask, whether such a modeling approach has enough degrees of freedom to capture the physical constraints that are imposed on implementations...
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