Queue-Aware Optimal Frequency Selection for Energy Minimization in Wireless Networks (Queue-Aware Optimal Frequency Selection for Energy Minimization in Wireless Networks)

Jie Chen (chenj24@rpi.edu)1, Biplab Sikdar (bsikdar@nus.edu.sg)2


1Rensselaer Polytechnic Institute
2National University of Singapore

This paper appears in: Revista IEEE América Latina

Publication Date: Nov. 2015
Volume: 13,   Issue: 11 
ISSN: 1548-0992


Abstract:
Reducing the energy consumption of wireless networks is one of the fundamental objectives of green networks. While the use of dynamic frequency scaling has been proposed for reducing the energy consumption, they increase the packet delays and loss rates in the network. This paper addresses the problem of optimally selecting the clock frequency for wireless network interface cards with dynamic frequency scaling, so that the energy consumption is minimized while meeting the packet level performance requirements. The proposed framework is based on modeling the interface card as a MAP/G/1/K with threshold based service. The proposed frequency selection mechanism has been verified through simulations.

Index Terms:
green communications, MAC protocols, queueing models   


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