System-level performance evaluation of downlink non-orthogonal multiple access (NOMA)

Abstract

As a promising downlink multiple access scheme for further LTE enhancement and future radio access (FRA), this paper investigates the system-level performance of non-orthogonal multiple access (NOMA) with a successive interference canceller (SIC) on the receiver side. The goal is to clarify the potential gains of NOMA over orthogonal multiple access (OMA) such as OFDMA, taking into account key link adaptation functionalities of the LTE radio interface such as adaptive modulation and coding (AMC), hybrid automatic repeat request (HARQ), time/frequency-domain scheduling, and outer loop link adaptation (OLLA), in addition to NOMA specific functionalities such as dynamic multi-user power allocation. Based on computer simulations, we show under multiple configurations that the system-level performance achieved by NOMA is superior to that for OMA.

DOI: 10.1109/PIMRC.2013.6666209

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@inproceedings{Saito2013SystemlevelPE, title={System-level performance evaluation of downlink non-orthogonal multiple access (NOMA)}, author={Yuya Saito and Anass Benjebbour and Yoshihisa Kishiyama and Takehiro Nakamura}, booktitle={PIMRC}, year={2013} }