Rollout algorithm based duty cycle control with joint optimisation of delay and energy efficiency for beacon-enabled IEEE 802.15.4 networks

Li, Yun, Chai, Kok Keong, Chen, Yue and Loo, Jonathan (2014) Rollout algorithm based duty cycle control with joint optimisation of delay and energy efficiency for beacon-enabled IEEE 802.15.4 networks. In: 20th European Wireless Conference, 14-16 May 2014, Barcelona, Spain.

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Abstract

Duty cycle control is applied in IEEE 802.15.4 medium access control (MAC) protocol to reduce energy consumption. A low duty cycle improves the energy efficiency but it reduces the available transmission time, thereby increases the end-to-end delay. Thus, it is a challenge issue to achieve a good trade-off between energy efficiency and delay. In this paper, we study a duty cycle control problem with the aim of minimising the joint-cost of energy consumption and end-to-end delay. By applying dynamic programming (DP), the optimal duty cycle control is derived. Furthermore, to ensure the feasibility of implementing the control on computation limited sensor devices, a low complexity rollout algorithm based duty cycle control (RADutyCon) is proposed. The joint-cost upper bound of the proposed RADutyCon is investigated. Simulation results show that RADutyCon can effectively reduces the joint-cost of energy consumption and end-to-end delay under various network traffic. In addition, RADutyCon achieves an exponential reduction of computation complexity compared with DP optimal control.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9783800736218
Page Range: pp. 536-541
Subjects: Computing > Systems > Computer networking
Computing
Depositing User: Jonathan Loo
Date Deposited: 21 Jun 2017 15:37
Last Modified: 01 Aug 2017 13:08
URI: http://repository.uwl.ac.uk/id/eprint/3489

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