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In this paper, carrier frequency offsets (CFOs) are considered in a layered frequency-domain equalization (LFDE) architecture for a single carrier (SC) broadband wireless multiple-input multiple-output (MIMO) system. At each layer of detection, a group of best data streams are selected to be equalized and reliably detected via removing the phase and amplitude distortion caused by the multiple CFOs...
In precoded OFDM systems, zero-forcing (ZF) equalizers suffer from noise enhancement and error spreading problems. A minimum mean square error (MMSE) equalizer can mitigate the problems and improve system performance, however, it has relatively higher complexity and is sensitive to the estimation accuracy of noise variance. In this paper, based on the principle of reduced-rank signal processing, we...
Frequency domain equalization (FDE) is an attractive solution for wireless broadband transmission because of its strong capability in handling multipath environment. However, frequency domain channel estimation suffers from the inter-carrier interference(ICI) caused by carrier frequency offset (CFO). In this paper, we proposed new training sequence structure for channel estimation to reduce the estimation...
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