Yuan, Hu, Guo, Weisi and Wang, Siyi (2014) Emergency route selection for D2D cellular communications during an urban terrorist attack. In: IEEE International Conference on Communications (ICC 2014), Sydney, Australia, 10-14 Jun 2014. Published in: 2014 IEEE International Conference on Communications Workshops (ICC) pp. 237-242. doi:10.1109/ICCW.2014.6881202

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Abstract

Device-to-Device (D2D) communications is a technology that allows mobile users to relay information to each other, without access to the cellular network. In this paper, we consider how to dynamically select multi-hop routes for D2D communications in spectrum co-existence with a fully loaded cellular network. The modelling scenario is that of a real urban environment, when the cellular network is congested during an unexpected event, such as a terrorist attack. We use D2D to relay data across the urban terrain, in the presence of conventional cellular (CC) communications. We consider different wireless routing algorithms, namely: shortest-path-routing (SPR), interference-aware-routing (IAR), and broadcast-routing (BR). In general, there is a fundamental trade-off between D2D and CC outage performances, due to their mutual interference relationship. For different CC outage constraints and D2D end-to-end distances, the paper recommends different D2D routing strategies. The paper also considers the effects of varying user density and urban building material properties on overall D2D relaying feasibility. Over a distance of a kilometre, it was found that the success probability of D2D communications can reach 91% for a moderate participating user density (400 per square km) and a low wall penetration loss (<; 10 dB).

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Cell phone systems -- Standards, Long-Term Evolution (Telecommunications), Terrorism risk communication
Journal or Publication Title:	2014 IEEE International Conference on Communications Workshops (ICC)
Publisher:	IEEE
Official Date:	2014
Dates:	Date Event 2014 Published
Page Range:	pp. 237-242
DOI:	10.1109/ICCW.2014.6881202
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Engineering and Physical Sciences Research Council (EPSRC), British Council, University of Warwick Engineering Scholarship
Conference Paper Type:	Paper
Title of Event:	IEEE International Conference on Communications (ICC 2014)
Type of Event:	Conference
Location of Event:	Sydney, Australia
Date(s) of Event:	10-14 Jun 2014

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