Abstract
Full-duplex (FD) communications shall play an important role on the next generation (5G) mobile wireless networks as they are expected to enhance spectrum usage and throughput. It requires a proper design of medium access control (MAC) schemes to fully exploit the potential advantages of FD communications. Notwithstanding, main existing full-duplex MAC schemes relies on IEEE 802.11 building blocks, which was designed to operate with half-duplex communications. This work proposes Full-duplex Multiple Receiver MAC (FDMR-MAC), which was tailored to enhance throughput and channel use. FDMR-MAC uses an innovative channel reservation scheme that raises the probability of establishing a full-duplex communication where the sender and the receiver nodes have data payload to transmit to each other. To compare FDMR-MAC with state-of-art full-duplex communications mechanisms, an analytical model addressing the particular aspects of a FD communication is proposed. Numerical results indicate that FDMR-MAC achieved throughput up to \(67\%\) higher than a state-of-art full-duplex scheme, thus pointing the potential impact of FDMR-MAC use in FD communications.
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Acknowledgements
This work was partially supported by the University of Brasília (UnB), Department of Computer Science (CIC/UnB), Dean of Postgraduate (DPG/UnB) and Dean of Research and Innovation (DPI/UnB).
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de Melo Guimarães, L., Bordim, J.L. (2020). Improving Spectrum Usage on Full-Duplex Communications with an Innovative Channel Reservation. In: Barolli, L., Amato, F., Moscato, F., Enokido, T., Takizawa, M. (eds) Advanced Information Networking and Applications. AINA 2020. Advances in Intelligent Systems and Computing, vol 1151. Springer, Cham. https://doi.org/10.1007/978-3-030-44041-1_11
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