NDLI: Prolonging smart grid network lifetime through optimising number of sensor nodes and packet length

Content Provider	IET Digital Library
Author	Elwekeil, Mohamed Abdalzaher, Mohamed S. Seddik, Karim
Abstract	In the era of internet-of-things (IoT), many applications utilise wireless sensor networks (WSNs) including smart grids (SGs). Designing WSNs to fulfill the SGs requirements imposes some challenges such as limited power and signal propagation impairments, especially, in harsh environments. Consequently, saving power consumption in WSNs-based SGs is among the most significant challenges. The total power required at a certain sensor depends on two main parameters: the packet length and inter-node distance. This paper investigates the optimal packet length and inter-node distance to be utilised in a SG over six different environments aiming at maximising the network lifetime. The investigation is based on a link-layer model using Tmote Sky nodes taking into consideration the six environments impact. A mixed-integer programming (MIP) model is utilised to determine the best packet length and number of nodes for maximising the network lifetime. This model analyses the performance of maximum SG network lifetime over those environments and addresses the inter-node distance effect on the network lifetime maximisation. Simulation results show that decreasing the number of nodes covering a certain area is preferable to prolonging the network lifetime. Furthermore, for the considered models, the longer the packet length is, the longer the network lifetime will be.
Starting Page	2478
Ending Page	2484
Page Count	7
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 16, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.6272
Journal	IET Communications
Publisher Date	2019-06-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Different Environments Environments Impact Harsh Environments Integer Programming Inter-node Distance Effect Maximum SG Network Lifetime Mixed-integer Programming Model Network Lifetime Maximisation Optimal Packet Length Optimisation Technique Optimising Number Power Consumption Radio Link And Equipment Reliability Sensing Device And Transducers Sensor Node SG Requirements Signal Propagation Impairments Significant Challenges Smart Grid Network Lifetime Smart Power Grid Total Power Wireless Sensor Network WSNs-based SG
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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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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