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ThinkMind // ACCESS 2011, The Second International Conference on Access Networks // View article access_2011_2_20_40061


RelaySpot: A Framework for Opportunistic Cooperative Relaying

Authors:
Tauseef Jamal
Paulo Mendes
André Zúquete

Keywords: Cooperative relaying; Opportunistic relaying; Wireless Resource Management; Space-Time Diversity

Abstract:
Advances in wireless technologies, including more powerful devices and low cost radio technologies, have potential to drive an ubiquitous utilization of Internet services. Nevertheless wireless technologies face performance limitations due to unstable wireless conditions and mobility of devices. In face of multi-path propagation and low data rate stations, cooperative relaying promises gains in performance and reliability. However, cooperation procedures are unstable (rely on current channel conditions) and introduce overhead that can endanger performance especially when nodes are mobile. In this paper we describe a framework, called RelaySpot, to implement cooperative wireless solutions in large mobile networks, based upon the combination of opportunistic and cooperative methods. RelaySpot based solutions are expected to minimize signaling exchange, remove estimation of channel conditions, and improve the utilization of spatial diversity, minimizing outage and increasing reliability.

Pages: 24 to 29

Copyright: Copyright (c) IARIA, 2011

Publication date: June 19, 2011

Published in: conference

ISSN: 2308-4049

ISBN: 978-1-61208-142-7

Location: Luxembourg City, Luxembourg

Dates: from June 19, 2011 to June 24, 2011

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