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Throughput Analysis of Full Duplex Communication with Asymmetric Traffic in Small Cell Systems

Authors:
Nurul H. Mahmood
Gilberto Berardinelli
Preben Mogensen
Frank Frederiksen

Keywords: Full duplex communication; small cells; stochastic geometry; 5G.

Abstract:
Full duplex communication promises a 100% throughput gain by enabling simultaneous transmission and reception. However, such simultaneous communication leads to a corresponding increase in the network interference. In addition, full duplex communication can only be exploited when traffic is available in both uplink and downlink directions; while, cellular network traffic tend to be downlink heavy in practice. The potential throughput gains of full duplex communication over conventional half duplex transmission in a small cell network with asymmetric traffic conditions are investigated in this contribution using network analysis tools from stochastic geometry. The analytical findings are further confirmed through computer-based Monte-Carlo simulations. Asymmetric downlink/uplink traffic pattern and the increased network interference stemming from full duplex transmissions are found to limit its potential performance to well below the promised 100% throughput gain.

Pages: 57 to 60

Copyright: Copyright (c) IARIA, 2015

Publication date: October 11, 2015

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-433-6

Location: St. Julians, Malta

Dates: from October 11, 2015 to October 16, 2015