Abstract
Multi-input multi-output (MIMO) channels arising from the use of multi-element antenna (MEA) systems both in transmission and reception have been shown to support a considerable amount of bit rate. The information-theoretic capacity of such channels is severely affected by the spatial correlation. In this paper, we evaluate the ergodic and outage capacity of typical MIMO channels appearing in UMTS indoor scenarios. The frequency-selectivity and the spatial correlation of the MIMO channel are taken into account using realistic models obtained from field measurements performed within the IST project METRA (http://www.ist-metra.org). For capacity assessment, we use the transmission schemes considered by the 3GPP for UMTS. In particular, we analyze the cases of having and not having channel state information (CSI) at the transmitter, and also the case in which beamforming is used for transmission.
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