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Communication Dans Un Congrès Année : 2004

Further Results on Channel Overloading Using Combined TDMA/OCDMA with Iterative Interference Cancellation

Florence Nadal
Antoine O. Berthet
Hikmet Sari
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Résumé

We present some new results on a recently introduced multiple access technique which accommodates more than TV users on a channel whose bandwidth is N times the bandwidth of the individual user signals. For K = N + M users, the technique makes use of two sets of orthogonal signal waveforms, one for the first N users and one for the M additional users. Considering a combination of time-division multiple access (TDMA) and orthogonal code-division multiple access (OCDMA), this multiple access scheme is evaluated using quaternary phase-shift keying (QPSK) and 16-state quadrature amplitude (16-QAM) modulations. When used in conjunction with soft iterative interference cancellation (IC), the technique offers substantial overloads.
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hal-01764658 , version 1 (12-04-2018)

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Florence Nadal, Antoine O. Berthet, Hikmet Sari. Further Results on Channel Overloading Using Combined TDMA/OCDMA with Iterative Interference Cancellation. 2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sep 2004, Barcelona, Spain. ⟨10.1109/PIMRC.2004.1368763⟩. ⟨hal-01764658⟩
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