Open Access Journal

ISSN : 2394-2320 (Online)

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

Open Access Journal

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

ISSN : 2394-2320 (Online)

Call For Paper : Vol 11, Issue 08, August 2024

Call for Paper

Vol 11, Issue 08, August 2024

Indexing

Delay Analysis Wireless Sensor Networks Considering Energy Costs of Sensing and Transmission in Energy Harvesting Nature

Author : J Rajiv 1 Sandeep Santosh 2

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Date of Publication :22nd February 2018

Abstract: Wireless sensor nodes lifetime can be enhanced by a means of Energy harvesting (EH). However, the randomness characteristic in the EH process for performing sensing operations and transmitting sensed information to the sink may cause significant delay. We consider the energy costs of both sensing and transmission unlike most existing studies on the delay performance of EH sensor networks, where only the energy consumption of transmission is considered. Specifically, we consider EH sensor that monitors some status property and adopts a harvest-then- use protocol to perform sensing and transmission. To study the delay performance, we consider two complementary metrics and derive their statistics analytically:1) update age— how timely the updated information at the sink by measuring the time taken from when information is obtained by the sensor to when the sensed information is successfully transmitted to the sink and 2) update cycle—how frequently the information at the sink is updated by measuring the time duration between two consecutive successful transmissions. Our results show that the consideration of sensing energy cost leads to an important trade-off between the two metrics: more frequent updates result in less timely information available at the sink.

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