Journal
IEEE COMMUNICATIONS LETTERS
Volume 21, Issue 10, Pages 2242-2245Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2017.2720583
Keywords
5G; non-orthogonal multiple access (NOMA); bit error rate (BER); error propagation
Categories
Funding
- Hydro-Quebec
- Natural Sciences and Engineering Research Council of Canada
- McGill University [IRCPJ 406021-14]
- National Natural Science Foundation Program of China [61671179]
- National Basic Research Program of China [2013CB329003]
- Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory [EX156410046]
- China Scholarship Council
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Non-orthogonal multiple access (NOMA) is an attractive multiple access technique to achieve the optimal system capacity region. A great deal of recent attention has been devoted to the study of the NOMA system capacity performance. However, the exact bit error rate (BER) expressions of NOMA systems have not been derived yet. We provide the exact closed-form BER expressions of the QPSK constellation for an uplink NOMA system over an additive white Gaussian noise channel. Finally, the validity of our derived BER expressions is verified through simulations.
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