SCMA Codebook Design

Abstract

Multicarrier CDMA is a multiple access scheme in which modulated QAM symbols are spread over OFDMA tones by using a generally complex spreading sequence. Effectively, a QAM symbol is repeated over multiple tones. Low density signature (LDS) is a version of CDMA with low density spreading sequences allowing us to take advantage of a near optimal message… (More)
DOI: 10.1109/VTCFall.2014.6966170

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@article{Taherzadeh2014SCMACD, title={SCMA Codebook Design}, author={Mahmoud Taherzadeh and Hosein Nikopour and Alireza Bayesteh and Hadi Baligh}, journal={2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)}, year={2014}, pages={1-5} }