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Investigation of Wall Effect on Indoor MIMO Channel Capacity by Using MoM-FDTD Hybrid Technique
Xiao Peng YANG Qiang CHEN Kunio SAWAYA
IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
MIMO, channel capacity, hybrid method, MoM, FDTD, Ricean K factor, effective degrees of freedom (EDOF),
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A numerical hybrid method for analyzing the wireless channel of Multiple-Input Multiple-Output (MIMO) communication system is proposed by combining of the method of moments (MoM) and the finite difference time domain (FDTD) method. The proposed method is capable of investigating a more practical MIMO wireless channel than the conventional methods, and CPU time is much less than that of the FDTD method in analysis of spatial statistical characteristics of received signals. Based on the channel transfer matrix obtained by the proposed method, the wall effect on indoor MIMO channel capacity are investigated with consideration of received power, Ricean K-factor and effective degrees of freedom (EDOF) of multipaths by changing the wall locations and material.