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Design and performance analysis of a convolutionally coded overlapping multicarrier DS/CDMA system

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4 Author(s)
Yun Hee Kim ; Div. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Iickho Song ; Hong Gil Kim ; Lee, J.

We consider convolutionally coded multicarrier direct-sequence code-division multiple access (DS/CDMA) systems using overlapping subchannels in time-limited and band-limited channels. A tight hound on the bit error probability of the decoder output is obtained in Rayleigh fading channels when the channel state information is ideally available. It is shown that the proposed system, the convolutionally coded overlapping multicarrier DS/CDMA system with a symbol mapping method utilizing the diversity, outperforms the conventional single carrier and nonoverlapping multicarrier systems using the same convolutional code. It is also shown that the proposed system can provide a larger system capacity and more effectively combat the partial band interference than the conventional ones

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Vehicular Technology, IEEE Transactions on  (Volume:49 ,  Issue: 5 )