NDLI: Energy-efficient joint routing and power allocation optimisation in bit error rate constrained multihop wireless networks

Content Provider	IET Digital Library
Author	Gupta, Sabyasachi Bose, Ranjan
Abstract	Energy efficiency is a crucial design issue in energy-constrained wireless networks to ensure uninterrupted information exchange. With the requirement of average end-to-end bit error rate (BER), the problem of joint routing and power allocation optimisation in multihop wireless network is studied here for two network power management policies: one is to minimise overall transmit power and the other is to maximise network lifetime. The proposed minimum total power strategy is optimal for minimising the overall transmit power consumption in the network and is preferable in network with tethered energy resources. To maximise the lifetime of a network with battery-operated nodes, the authors have developed two residual energy-aware joint routing and power allocation strategies: path lifetime maximisation (PLM) strategy and minimum weighted total power (MWTP) strategy. A distributed implementation for these strategies is also presented. Simulation results demonstrate that the proposed strategies achieve significant power saving and prolong network lifetime considerably over traditional routing algorithm with individual link BER constraint. It has also been shown that at reasonably low route refresh interval, the MWTP strategy performs best in terms of network lifetime, whereas at very high route refresh interval, the PLM strategy is optimal for network lifetime maximisation.
Starting Page	1174
Ending Page	1181
Page Count	8
ISSN	17518628
Volume Number	9
e-ISSN	17518636
Issue Number	Issue 9, Jun (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/9/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.0779
Journal	IET Communications
Publisher Date	2015-04-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Average End-to-end Bit Error Rate Battery-operated Node BER Communication Network Design, Planning And Routing Constrained Multihop Wireless Network Energy Conservation Energy-constrained Wireless Network Energy-efficient Joint Routing Error Statistics Minimisation Minimum Weighted Total Power Strategy MWTP Strategy Network Lifetime Maximisation Network Management Network Power Management Policy Optimisation Technique Overall Transmit Power Minimisation Path Lifetime Maximisation Strategy PLM Strategy Power Allocation Optimisation Radio Link And Equipment Radio Network Reliability Residual Energy-aware Joint Routing Statistics Telecommunication Network Management Telecommunication Network Reliability Telecommunication Network Routing Tethered Energy Resource Uninterrupted Information Exchange
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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