Optimised delay-energy aware duty cycle control for IEEE 802.15.4 with cumulative acknowledgement

Li, Yun, Chai, Kok Keong, Chen, Yue and Loo, Jonathan ORCID: https://orcid.org/0000-0002-2197-8126 (2014) Optimised delay-energy aware duty cycle control for IEEE 802.15.4 with cumulative acknowledgement. In: 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC), 02-05 Sept 2014, Washington DC, USA.

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IEEE 802.15.4 beacon-enabled mode adopts duty cycle to achieve energy efficiency and provides an optional acknowledgement (ACK) mechanism to ensure the transmission reliability. However, frequently sending ACK introduces additional ACK transmission energy consumption and increases end-to-end delay. In this paper, we focus on a duty cycle optimisation problem with joint consideration on energy efficiency, end-to-end delay and reliability for IEEE 802.15.4 networks. We first formulate a cumulative ACK enabled duty cycle optimisation problem as an inventory control problem. Then, the optimal solution to the problem is derived by applying dynamic programming (DP). Furthermore, a low complexity delay-energy aware duty cycle control (DE-DutyCon) is proposed to reduce the computational complexity of implementing the control on computation limited sensor devices. The joint-cost upper bound of DE-DutyCon is also provided. DE-DutyCon achieves an exponential reduction of computational complexity compare with DP optimal control. Simulation results show that the proposed DE-DutyCon achieves close performance in terms of energy efficiency, end-to-end delay and packet drop ratio compare with DP optimal control under various network traffic.

Item Type: Conference or Workshop Item (Paper)
ISSN: 2166-9570
ISBN: 9781479949120
Identifier: 10.1109/PIMRC.2014.7136322
Page Range: pp. 1051-1056
Identifier: 10.1109/PIMRC.2014.7136322
Keywords: Delays, IEEE 802.15 Standards, Energy consumption, Benchmark testing, Optimal control, Performance evaluation, Computational complexity
Subjects: Computing > Systems > Computer networking
Depositing User: Jonathan Loo
Date Deposited: 21 Jun 2017 15:36
Last Modified: 28 Aug 2021 07:23
URI: https://repository.uwl.ac.uk/id/eprint/3485

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