Measurement of time--varying Multiple--Input Multiple--Output Channels

2007/05/14 by Goetz E. Pfander, Pfander, Goetz E.
Mathematics · #42C15 #47G30 #94A20 #94A30 #Classical Analysis and ODEs (math.CA) #FOS: Mathematics #Functional Analysis (math.FA) #math.CA #math.FA #msc:42C15 #msc:47G30 #msc:94A20 #msc:94A30

paper · pdf · doi:10.48550/arxiv.0705.1914

arxiv created 2007/05/14 · arxiv updated 2009/12/01

Abstract

We derive a criterion on the measurability / identifiability of Multiple--Input Multiple--Output (MIMO) channels based on the size of the so-called spreading support of its subchannels. Novel MIMO transmission techniques provide high-capacity communication channels in time-varying environments and exact knowledge of the transmission channel operator is of key importance when trying to transmit information at a rate close to channel capacity.

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