Performance of UWB communications with imperfect channel estimation

Authors:
John D. Choi;Wayne E. Stark
Affiliations:
Dept. of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI;Dept. of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI
Venue:
MILCOM'03 Proceedings of the 2003 IEEE conference on Military communications - Volume II
Year:
2003

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Abstract

We examine the performance of diversity combining with imperfect channel estimation when the channel is comprised of diffuse as well as specular, or nonfading, components. It is shown that the presence of specular components under certain conditions can reduce the combining loss incurred by large-bandwidth systems when employing imperfect channel estimates and combining a significant number of resolvable paths.