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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 3/2017

03.02.2017

Estimation of MIMO Channel with Imperfect Channel Correlation Information

Erschienen in: Wireless Personal Communications | Ausgabe 3/2017

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Abstract

Conventional channel estimation schemes may require for the transmission of orthogonal pilot signal for each antenna in frequency-division duplex (FDD) transmission systems. It is of great concern to get channel information with an affordable signaling overhead in FDD massive multi-input multi-output (m-MIMO) transmission environments. The signaling overhead for the channel estimation can be reduced by exploiting the channel correlation matrix (CCM) of m-MIMO channel. When the m-MIMO channel is correlated in spatial domain, the channel information can be estimated with reduced pilot signaling overhead. However, the estimation performance may seriously be affected by the accuracy of CCM. In this paper, we investigate the effect of CCM accuracy on the m-MIMO channel estimation and verify it by computer simulation.
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Metadaten
Titel
Estimation of MIMO Channel with Imperfect Channel Correlation Information
Publikationsdatum
03.02.2017
Erschienen in
Wireless Personal Communications / Ausgabe 3/2017
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-017-4002-0

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