Abstract
Wireless communication in confined metal environment such as rectangular metal cavity is challenging. The channel characteristics in such an environment are different from those in the traditional wireless communication environments. Ultra-wideband (UWB) technique plus multiple input multiple output (MIMO) is a competitive candidate for wireless communication in rectangular metal cavity among possible technologies, because it can fully employ radio resources not only in frequency domain but also in space domain. This paper considers the fundamental limit from capacity point of view for UWB channel in rectangular metal cavity. We want to study what spectrum efficiencies are if MIMO and different spectrum-shaping schemes are used. The results of this paper can give us a lot of insights and guide us to design the high performance system for wireless communication in confined metal environment.
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