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access icon free Uplink pattern division multiple access in 5G systems

  • Author(s): Wanwei Tang 1, 2 ; Shaoli Kang 3 ; Bin Ren 3 ; Xinwei Yue 1 ; Xiurong Zhang 1
    • View affiliations
  • Source: Volume 12, Issue 9, 05 June 2018, p. 1029 – 1034
    DOI:  10.1049/iet-com.2017.1143 , Print ISSN 1751-8628, Online ISSN 1751-8636
© The Institution of Engineering and Technology
Received 19/10/2017, Accepted 08/02/2018, Revised 08/01/2018, Published 12/02/2018

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.

Inspec keywords: 5G mobile communication; numerical analysis; multi-access systems; radiofrequency interference; Rayleigh channels; probability

Other keywords: 5G system; spectrum efficiency; OMA; outage probability; nonorthogonal multiple access scheme; fifth generation mobile communication technology; pattern division multiple access; uplink PDMA; Rayleigh fading channel; OP; signal-to-interference-plusnoise ratio; sum data rate; numerical simulation; orthogonal multiple access; uplink pattern division multiple access; SDR

Subjects: Electromagnetic compatibility and interference; Mobile radio systems; Other numerical methods; Other topics in statistics; Multiple access communication

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