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Full duplex-ing over two hops under full interference

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Akçapınar, Kudret and Gürbüz, Özgür (2018) Full duplex-ing over two hops under full interference. In: IEEE Wireless Advanced (WIAD) Conference: Workshop - Scalable Full-Duplex Dense Wireless Networks (SENSE), London, UK

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Abstract

In this paper, we study the optimization of transmission power in a two hop in-band full-duplex (IBFD) relaying scenario under full interference, i.e., when the source and destination nodes hear each other, which is highly likely in cellular or dense wireless networks. Considering imperfect selfinterference (SI) cancellation for IBFD operation at the relay node, we propose closed form solutions for calculating the power levels for the simultaneously transmitting nodes in an effort to achieve the maximum end-to-end throughput, and we derive an optimal power assignment policy. We compare the end-to-end throughput performance of IBFD relaying with proposed power assignment to that of traditional half-duplex (HD) relaying. Our results show the efficacy of power control for IBFD relaying, and show that the amount of performance improvement over traditional HD relaying depends on the level of SI suppression. More specifically, IBFD relaying has shown to be superior to HD relaying by up to 50% in the investigated scenarios.

Item Type:Papers in Conference Proceedings
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication
T Technology > TK Electrical engineering. Electronics Nuclear engineering
ID Code:34984
Deposited By:Özgür Gürbüz
Deposited On:14 Aug 2018 14:41
Last Modified:14 Aug 2018 14:41

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