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Intrinsic Finite Dimensionality of Random Multipath Fields

Sadeghi, Parastoo; Abhayapala, Thushara; Kennedy, Rodney

Description

We study the dimensions or degrees of freedom of random multipath fields in wireless communications. Random multipath fields are presented as solutions to the wave equation in an infinite-dimensional vector space. We prove a universal bound for the dimension of random multipath field in the mean square error sense. The derived maximum dimension is directly proportional to the radius of the two-dimensional spatial region where the field is coupled to. Using the Karhunen-Loeve expansion of...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Conference paper
URI: http://hdl.handle.net/1885/84895
Source: Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006)

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