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On the Performance of Partitioned-Spreading CDMA with Multistage Demodulation
2006
2006 40th Annual Conference on Information Sciences and Systems
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The performance of partition-spreading CDMA (PS-CDMA), a recently proposed multiple-access system, is investigated. It is shown via variance evolution that the asymptotic channel throughput of PS-CDMA improves monotonically as the number of partitions increases. The fundamental limit of the PS-CDMA system is calculated by evaluating the spectral efficiency of the layered channel that is generated by multistage PS-CDMA demodulation. Capacity-approaching codes of high rate are suggested in the
doi:10.1109/ciss.2006.286381
fatcat:any5wxthonf4liexft2ozsemki