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Burst-by-burst adaptive coded modulation-aided joint detection-based CDMA for wireless video telephony

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4 Author(s)
Chung, J.Y. ; Dept. of Electron. & Comput. Sci., Southampton Univ., UK ; Ng, S.X. ; Kuan, E.L. ; Hanzo, L.

A burst-by-burst adaptive coded modulation-aided joint detection-based CDMA (ACM-JD-CDMA) scheme is proposed for wireless video telephony and we characterise its performance when communicating over the UTRA wideband vehicular fading channels. The coded modulation schemes invoked in our fixed modulation mode based systems are trellis coded modulation (TCM), turbo TCM (TTCM), bit-interleaved coded modulation (BICM) and iterative-decoding assisted BICM (BICM-ID). When comparing the four schemes at a given complexity, TTCM was found to be the best scheme and the performance of the TTCM-assisted ACM-JD-CDMA system was evaluated using a practical modem mode switching regime.

Published in:

Vehicular Technology Conference, 2002. VTC Spring 2002. IEEE 55th  (Volume:3 )

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