Abstract

As a novel non-orthogonal multiple access scheme, pattern division multiple access (PDMA) has been proposed for the fifth generation mobile communication technology (5G) to enhance spectrum efficiency and increase connexion capability. This study analyses the theory performance of uplink PDMA. The exact closed-form expressions for outage probability (OP) are derived in the Rayleigh fading channel, and the OPs of each user with different pattern and target signal-to-interference-plus-noise ratio are evaluated. In addition, the comparison between PDMA and conventional orthogonal multiple access (OMA) in terms of sum data rate (SDR) is conducted. Numerical simulation results verify the authors' analysis and show that PDMA outperforms OMA in terms of OP and SDR.

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