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Capacity Study of Vehicle-to-Roadside MIMO Channels with a Line-of-Sight Component

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3 Author(s)
Matthaiou, M. ; Univ. of Edinburgh, Edinburgh ; Laurenson, D.I. ; Cheng-Xiang Wang

In this paper, the performance of a multiple-input multiple-output (MIMO) system is assessed in the case of vehicle-to-roadside communications. We investigate a line-of- sight (LoS) scenario where a specular wavefront impinges on the receive side. Under these conditions, the channel response is usually rank deficient due to the high correlation between the spatial LoS responses, unless specific antenna geometries are employed in order to achieve subchannel orthogonality. For our investigation, a recently proposed criterion, which maximizes the LoS-channel rank and eventually the channel capacity, is revised for different array configurations.

Published in:

Wireless Communications and Networking Conference, 2008. WCNC 2008. IEEE

Date of Conference:

March 31 2008-April 3 2008