Combined turbo equalization and turbo decoding

In this paper, the subject of turbo coding in the presence of intersymbol interference channel is investigated. An iterative decoder structure is presented, which combines the channel equalization and the turbo decoding. At each iteration extrinsic information from the channel detector is fed into t...

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Bibliographic Details
Published in1997 IEEE Globecom Vol. 2; pp. 639 - 643 vol.2
Main Authors Raphaeli, D., Zarai, Y.
Format Conference Proceeding
LanguageEnglish
Japanese
Published IEEE 1997
Subjects
Binary phase shift keying
Bit error rate
Channel capacity
Detectors
Frequency
Intersymbol interference
Iterative decoding
Modulation coding
Phase shift keying
Turbo codes
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ISBN0780341988
9780780341982
DOI10.1109/GLOCOM.1997.638408

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Summary:In this paper, the subject of turbo coding in the presence of intersymbol interference channel is investigated. An iterative decoder structure is presented, which combines the channel equalization and the turbo decoding. At each iteration extrinsic information from the channel detector is fed into the turbo decoders, and then their extrinsic information is fed back to the channel detector. Simulation results are presented for turbo code with BPSK and and PSK modulations, transmitted over several ISI channels having severe frequency distortion. The performances are about 1 dB from the ISI channel capacity at bit error rate of 10/sup -5/.
ISBN:0780341988
9780780341982
DOI:10.1109/GLOCOM.1997.638408