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This article is part of the series Wireless Mobile Ad Hoc Networks.

Open Access Open Badges Research Article

On Energy-Efficient Hierarchical Cross-Layer Design: Joint Power Control and Routing for Ad Hoc Networks

Cristina Comaniciu1* and HVincent Poor2

Author Affiliations

1 Department of Electrical and Computer Engineering, Charles V. Schaefer Jr., School of Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA

2 Department of Electrical Engineering, School of Engineering and Applied Science, Princeton University, Princeton, NJ 08544, USA

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EURASIP Journal on Wireless Communications and Networking 2007, 2007:060707  doi:10.1155/2007/60707

The electronic version of this article is the complete one and can be found online at: http://jwcn.eurasipjournals.com/content/2007/1/060707

Received:29 January 2006
Revisions received:20 October 2006
Accepted:30 December 2006
Published:14 March 2007

© 2007 Comaniciu and Poor

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

A hierarchical cross-layer design approach is proposed to increase energy efficiency in ad hoc networks through joint adaptation of nodes' transmitting powers and route selection. The design maintains the advantages of the classic OSI model, while accounting for the cross-coupling between layers, through information sharing. The proposed joint power control and routing algorithm is shown to increase significantly the overall energy efficiency of the network, at the expense of a moderate increase in complexity. Performance enhancement of the joint design using multiuser detection is also investigated, and it is shown that the use of multiuser detection can increase the capacity of the ad hoc network significantly for a given level of energy consumption.


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