• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Power allocation for full-duplex NOMA relaying based underlay D2D communications

Vol. 13, No. 1, January 31, 2019
10.3837/tiis.2019.01.002, Download Paper (Free):

Abstract

In this paper, a full-duplex NOMA relaying based underlay device-to-device (D2D) communication scheme is proposed, in which D2D transmitter assists cellular downlink transmission as a full-duplex relay. Specifically, D2D transmitter receives signals from base station and transmits the superposition signals to D2D receiver and cellular user in NOMA scheme simultaneously. Furthermore, we investigate the power allocation under the proposed scheme, aiming to maximize D2D link’s achievable transmit rate under cellular link’s transmit rate constraint and total power constraint. To tackle the power allocation problem, we first propose a power allocation method based on linear fractional programming. In addition, we derive closed-form expressions of the optimal transmit power for base station and D2D transmitter. Simulation results show that the performance of two solutions matches well and the proposed full-duplex NOMA relaying based underlay D2D communication scheme outperforms existing full-duplex relaying based D2D communication scheme.


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Cite this article

[IEEE Style]
S. Li, S. Li, Y. Sun, "Power allocation for full-duplex NOMA relaying based underlay D2D communications," KSII Transactions on Internet and Information Systems, vol. 13, no. 1, pp. 16-33, 2019. DOI: 10.3837/tiis.2019.01.002.

[ACM Style]
Song Li, Shuo Li, and Yanjing Sun. 2019. Power allocation for full-duplex NOMA relaying based underlay D2D communications. KSII Transactions on Internet and Information Systems, 13, 1, (2019), 16-33. DOI: 10.3837/tiis.2019.01.002.

[BibTeX Style]
@article{tiis:21967, title="Power allocation for full-duplex NOMA relaying based underlay D2D communications", author="Song Li and Shuo Li and Yanjing Sun and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2019.01.002}, volume={13}, number={1}, year="2019", month={January}, pages={16-33}}