A power aware routing strategy for ad hoc networks with directional antenna optimizing control traffic and power consumption

Authors:
Sanjay Chatterjee;Siuli Roy;Somprakash Bandyopadhyay;Tetsuro Ueda;Hisato Iwai;Sadao Obana
Affiliations:
Indian Institute of Management, Calcutta, India;Indian Institute of Management, Calcutta, India;Indian Institute of Management, Calcutta, India;ATR Adaptive Communications Research Laboratories, Kyoto, Japan;ATR Adaptive Communications Research Laboratories, Kyoto, Japan;ATR Adaptive Communications Research Laboratories, Kyoto, Japan
Venue:
IWDC'05 Proceedings of the 7th international conference on Distributed Computing
Year:
2005

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Abstract

This paper addresses the problem of power aware data routing strategies within ad hoc networks using directional antennas. Conventional routing strategies usually focus on minimizing the number of hops or route errors for transmission but they do not usually focus on the energy depletion of the nodes. In our proposal, if a node in the network has depleted its battery power, then an alternative node would be selected for routing so that not only the power is used optimally but there is an automatic load sharing or balancing among the nodes in the network. The usage of directional antenna in this scheme has some key advantages outperforming the omni-directional counterpart. The space division multiple access, range extension capabilities and power requirement of the directional antenna is itself a reason for its choice. We illustrate how directional antenna can be combined with the power aware routing strategy and using simulations, we quantify the energy benefits and protocol scalability.