Abstract
The 5G technology will provide high spectral efficiency and low latency for users around the world. To address the requirements the non-orthogonal schemes such as sparse code multiple access (SCMA), multiuser shared access (MUSA), pattern division multiple access (PDMA) are considered in this article. The Symbol error rate (SER) performance is calculated and plotted for different number of users, the analysis of PDMA and SCMA is examined for same factor graph. The average SER is calculated for three NOMA techniques for different users in the hexagonal shape cell under different Signal to Noise Ratio values. The SCMA shows 3% improvement in average SER value when compare to PDMA and MUSA techniques.
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