NDLI: Sleeping ZigBee networks at the application layer

Content Provider	IET Digital Library
Author	Azevedo, Joaquim Santos, Filipe Rodrigues, Maurício Aguiar, Luís
Abstract	ZigBee/IEEE 802.15.4 is one of the most used standards for low-power applications. However, full function devices must be always active to route data in a mesh network. The objective of this work is to implement a sleeping technique at the application layer that enables sleep mode for all nodes of a ZigBee network. A time synchronisation mechanism to deal with the clock drift of the sensor nodes was developed. The technique also enables the recovery of lost messages. A large network is organised into smaller groups to reduce latency and packet collisions. The active interval of each node is dynamically adapted to the network operation to optimise the energy consumption. The proposed technique was applied to a real testbed and the increase in energy efficiency was evaluated. The results demonstrated energy savings of about 95% for networks containing up to 20 nodes per group and wake up periods longer than 2 min.
Starting Page	35
Ending Page	41
Page Count	7
ISSN	20436386
Volume Number	4
e-ISSN	20436394
Issue Number	Issue 1, Mar (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-wss/4/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-wss.2013.0024
Journal	IET Wireless Sensor Systems
Publisher Date	2013-12-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Application Layer Clock Drift Communication Network Design, Planning And Routing Computer Network And Technique Data Routing Energy Conservation Energy Consumption Energy Efficiency Energy Savings Lost Message Recovery Low-power Application Mesh Network Packet Collision Radio Link And Equipment Sensor Node Sleep Mode Synchronisation Telecommunication Application Telecommunication Network Routing Zigbee ZigBee-IEEE 802.15.4 Network
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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