Performance analysis of 5-ary MUSA and SCMA for uplink transmission

Esraa Mosleh, Mostafa M. Fouda, Adly S. Tag Eldien, Mohsen M. Tantawy


Multiple access is one of the core technologies of wireless communications, which enables wireless base stations to deal with a large number of different users and provide the service for each of them at the same time.  Meeting the 5G challenges, non-orthogonal multiple access is the main concerned point in 5G technologies. In this paper, two types of non-orthogonal multiple access schemes, namely, 5-ary Multi User Shared Access (MUSA) and Sparse Code Multiple Access (SCMA), are studied. The Bit Error Rate performance (BER) analysis in terms of user overloading for an uplink 5-ary MUSA and SCMA systems are analyzed.


Multi User Shared Access (MUSA); Sparse Code Multiple Access (SCMA); 5-ary codes; grant-free access; user overloading.

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