On the Cramer-Rao Lower Bound for Spatial Correlation Matrices of Doubly Selective Fading Channels for MIMO OFDM Systems

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dc.creatorZhao, Xiaochuan
dc.creatorPeng, Tao
dc.creatorYang, Ming
dc.creatorWang, Wenbo
dc.date2008-11-04
dc.date.accessioned2026-07-07T10:15:21Z
dc.date.available2026-07-07T10:15:21Z
dc.descriptionThe analytic expression of CRLB and the maximum likelihood estimator for spatial correlation matrices in time-varying multipath fading channels for MIMO OFDM systems are reported in this paper. The analytical and numerical results reveal that the amount of samples and the order of frequency selectivity have dominant impact on the CRLB. Moreover, the number of pilot tones, SNR as well as the normalized maximum Doppler spread together influence the effective order of frequency selectivity.
dc.description6 pages, 8 figures, Submitted to IEEE WCNC'09
dc.identifierhttps://arxiv.org/abs/0811.0433
dc.identifierhttp://arxiv.org/abs/0811.0433
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173146
dc.subjectInformation Theory
dc.titleOn the Cramer-Rao Lower Bound for Spatial Correlation Matrices of Doubly Selective Fading Channels for MIMO OFDM Systems
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