Modelling energy consumption of relay-enabled MAC protocols in ad hoc networks

Authors:
R. Ahmad;F.-C. Zheng;M. Drieberg;S. Olafsson;M. Fitch
Affiliations:
Centre for Telecommunications and Microelectronics, School of Electrical Engineering, Victoria University, Melbourne, Australia;School of Systems Engineering, University of Reading, Reading, UK;Centre for Telecommunications and Microelectronics, School of Electrical Engineering, Victoria University, Melbourne, Australia;Mobility Research Centre, BT Group, Martlesham Heath, Ipswich, UK;Mobility Research Centre, BT Group, Martlesham Heath, Ipswich, UK
Venue:
ISWPC'09 Proceedings of the 4th international conference on Wireless pervasive computing
Year:
2009

Citing 5
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Abstract

To enhance the throughput of ad hoc networks, dual-hop relay-enabled transmission schemes have recently been proposed. Since in ad hoc networks throughput is normally related to their energy consumption, it is important to examine the impact of using relay-enabled transmissions on energy consumption. In this paper, we present an analytical energy consumption model for dual-hop relay-enabled medium access control (MAC) protocols. Based on the recently reported Relay-enabled Distributed Coordination Function (rDCF), we have shown the efficacy of the proposed analytical model. This is a generalized model and can be used to predict energy consumption in saturated relay-enabled ad hoc networks via energy decomposition. This is helpful in designing MAC protocols for cooperative communications and it is shown that using a relay results not only in a better throughput but also better energy efficiency.