Modeling the throughput and delay in wireless multihop ad hoc networks

Authors:
Ahmad Ali Abdullah;Fayez Gebali;Lin Cai
Affiliations:
University of Victoria, Victoria, BC, Canada;University of Victoria, Victoria, BC, Canada;University of Victoria, Victoria, BC, Canada
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

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Abstract

In wireless multihop ad hoc networks, the use of the RTS/CTS mechanism does not completely eliminate the hidden-terminal problem. Considering the hidden-terminal problem adds complexity to the existing analysis for single-hop networks. In this paper, we provide precise and accurate analytical models for quantifying the throughput and delay in wireless multihop ad hoc networks. The proposed analysis is applicable to many wireless MAC protocols and applications. The accuracy of our analytical models are verified by extensive NS-2 simulations. Our analysis reveals how the throughput and delay in wireless multihop ad hoc networks are affected by the hidden-terminals and by the transmission and interference ranges of wireless devices. These results are important for network planning and protocol optimization in wireless multihop ad hoc networks.