Performance Validation for MMSE Turbo Equalization in ST-BICM Systems

This paper presents a simple approach to assess performance that can be achieved by the MMSE turbo equalizer in ST-BICM systems over multipaths Rayleigh block fading channels with i.i.d fading statistics. By considering perfect information exchange between the SISO decoder and the linear MMSE equali...

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Bibliographic Details
Published inIEEE Vehicular Technology Conference pp. 1 - 5
Main Authors Le Josse, N., Laot, C., Amis, K.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2006
Subjects
Ambient intelligence
Bit error rate
Equalizers
Fading
Iterative decoding
MIMO
Modulation coding
Rayleigh channels
Receiving antennas
Transmitting antennas
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Summary:This paper presents a simple approach to assess performance that can be achieved by the MMSE turbo equalizer in ST-BICM systems over multipaths Rayleigh block fading channels with i.i.d fading statistics. By considering perfect information exchange between the SISO decoder and the linear MMSE equalizer, the performance reaches the matched filter bound, and a closed form expression of the corresponding probability of bit error can be derived at the output of the equalizer. In particular, we emphasize that the suggested approach provides an attractive and reliable tool for performance validation consistently with the proposed expression of the probability of bit error. Simulations for 4-PSK and 8-PSK modulated signals show the relevance of the proposed approach and the full benefit provided by the MMSE turbo equalizer. In addition some clarification of the signal-to- noise ratio definition is pointed out.
ISBN:9781424400621
1424400627
ISSN:1090-3038
2577-2465
DOI:10.1109/VTCF.2006.313