Performance analysis of IEEE 802.11 ad hoc networks with cooperative ARQ in the presence of hidden and exposed terminals

Authors:
G. Kormentzas;J. Alonso-Zárate;L. Alonso;C. Verikoukis
Affiliations:
University of the Aegean;Centre Tecnològic de Telecomunicacions de Catalunya, Castelldefels, Barcelona, Spain;Universitat Politècnica de Catalunya, Castelldefels, Barcelona, Spain;Centre Tecnològic de Telecomunicacions de Catalunya, Castelldefels, Barcelona, Spain
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

Citing 4
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Performance analysis of IEEE 802.11 ad hoc networks in the presence of exposed terminals

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Abstract

We present in this paper the analysis of an IEEE 802.11 network in the presence of hidden and exposed terminals when a Cooperative ARQ (C-ARQ) scheme is executed at the MAC layer. When spontaneous helpers transmit to assist in a failed transmission, the area exposed to the original transmission increases in comparison to non-cooperative ARQ schemes. In this paper we quantify this effect and we evaluate the relevance of designing efficient protocols to combat the exposed terminal problem.