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The influence of the person density on the indoor MIMO channel models is experimentally investigated. The path loss is modeled as a log-distance function adding additional attenuations related to both of the distance and person density. Then, the shadowing, the root mean square delay spread, and the channel capacity are described as normal distributed random variables. Their mean value and the standard...
A novel empirical path loss model for indoor stairwell environment is presented. The model is based on the multiple-input-multiple-output (MIMO) measurements at 2.6 GHz. The model is divided into two scenarios, i.e., line-of-sight (LOS) and non-LOS (NLOS). In the case of LOS, the path loss exponent n is dependent with the increasing of frequency slightly and is fitted by the frequency using power...
A novel MIMO model based on singular value decomposition of matrix is proposed in this paper. A corridor to stair MIMO measurement at 2.6GHz is conducted in order to evaluate the performance of the novel model. The joint DoA-DoD-delay power spectrum and the channel capacity of the model are compared with those obtained from the measured channels. The results show clearly that the joint DoA-DoD-delay...
Mutual coupling effect affects capacity of compact MIMO system. Using scattering parameter matrix (S-Matrix), this paper analyzes capacity of compact MIMO system and makes simulations on capacity using three different structural antenna arrays and three matching networks. Numerical results based on method of moment (MOM) show that antenna space with half wavelength is the dividing point of tightly...
This paper models compact MIMO system recurring to microwave network, theory. Using scattering parameter matrix (s-matrix), it analyses the ability of suppressing mutual coupling effect and power exporting ability of compact MIMO antenna arrays. Simulations have been done on four different types of antenna arrays which respectively are parallel double dipoles, vertical double dipoles, double X-shaped...
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