Jinho Kim, Institute for Digital Communications (IDCOM), University of Edinburgh
Tue 30 Aug 2016, 13:00 - 13:30
AGB Seminar Room, AGB Building, King’s Buildings, EH9 3JL

If you have a question about this talk, please contact: Iman Tavakkolnia (s1371647)

Image for Fair and Efficient Full Duplex MAC Protocol based on the IEEE 802.11 DCF

Abstract:  Recent research has shown the feasibility of in-band full duplex (FD) wireless operation allowing wireless nodes to send and receive in the same frequency band at the same time. In this paper, we propose a novel FD medium access control (MAC) protocol, and discuss two issues related to the FD MAC layer. These include fairness between half duplex (HD) and FD users, and a channel access mechanism called centralized random backoff (CRB) to resolve collisions caused by the random backoff algorithm adopted in the IEEE 802.11 MAC standard.
Simulation results show that the protocol provides evenly distributed channel access opportunities to both FD and legacy HD users. Moreover, it is demonstrated by simulation that using CRB complements the random backoff algorithm and improves the performance of HD and FD MAC protocols for Wi-Fi networks.

Biography: Jinho Kim is currently a PhD student at the School of Engineering in the University of Edinburgh. His current research interests include fair and efficient wireless MAC protocols. In 2009-2014, he was a researcher at LG Electronics, where he developed standard Wi-Fi applications (e.g. Miracast) for smart phones and smart TVs, and implemented various network protocols (e.g. SNMP/MIBs and RTP/RTSP/RTCP). He regularly contributed to technical task groups in the Wi-Fi Alliance and the IEEE 802.19.