Space-Frequency Equalization for Broadband Single Carrier MIMO Systems (2008)
Type of ContentConference Contributions - Published
PublisherUniversity of Canterbury. Electrical and Computer Engineering
In this paper, a frequency domain (FD) receiver architecture implemented using estimated channel parameters is derived for broadband single carrier modulations. Co-channel and inter-symbol interferences are compensated by a minimum mean squared error based integrated space-frequency-equalizer (SFE) using the estimated parameters. The integrated SFE in the FD consists of coupled FIR structures, that are jointly optimized by maximizing the desired signal to interference plus noise ratio. We develop analytical expressions and present simulation results for the integrated SFE. Simulation results demonstrate that excellent receiver performance is achieved even for channels with large ISI spans. The proposed SC-SFE outperforms previous layered space frequency (LSF) receivers with imperfect channel knowledge. Further, the parallel receiver architecture yields equal diversity gains to all data streams without the error propagation that is common to most LSF schemes.
CitationKongara, G., Taylor, D.P., Martin, P.A. (2008) Space-Frequency Equalization for Broadband Single Carrier MIMO Systems. Calgary, Canada: IEEE 68th Vehicular Technology Conference, 21-24 Sep 2008.
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KeywordsMIMO communication; broadband networks; cochannel interference; intersymbol interference; least mean squares methods; radio receivers
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