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Low-complexity equalizers for MIMO frequency selective channels

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3 Author(s)
Sellami, N. ; ISECS, Sfax, Tunisia ; Siala, M. ; Fijalkow, I.

In this paper, we present two low-complexity equalizers for frequency selective multiple-input multiple-output (MIMO) channels: the MMSE-block decision feedback equalizer (MMSE-BDFE) and the prefiltered list-type MAP equalizer. We compare their complexities and performance. This comparison shows that the prefiltered list-type MAP equalizer is more complex but achieves better performance than the MMSE-BDFE. Moreover, simulation results show that the performance of these two low-complexity equalizers approach the performance of the MAP equalizer.

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Control, Communications and Signal Processing, 2004. First International Symposium on

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