1. Jabari Stegall, Mentor: Dr. Fatemeh Afghah
Wireless Networking and Information Processing (WiNIP) Laboratory,
Department of Electrical and Computer Engineering, North Carolina A&T State University Greensboro NC 27411
Implementation of a Smart house in a Wireless Sensor Network
Acknowledgments
This study was supported, by Louis Stokes Alliances for Minority
Participation at North Carolina A&T State University. Funding was
also provided by a grant from the National Science Foundation
Future Research
• Implement a data collection tool that tabulates data to create
habits of the users in order to create a form of automation in the
smart house.
• Create a profile aspect under the assumption that multiple family
members will control the smart house allowing certain users
certain permissions in the smart house to increase security.
WSN Smarthome
Fig. 1, Sample view of Control in Smart House
(http://gotomy.files.wordpress.com/2008/12/zigbee1.gif)
.
Introduction
Wireless sensor networks consist of spatially distributed
sensors used to monitor the environmental situation. These
sensors have limited data gathering and processing
capability hence they communicate data wirelessly to a
central system. Sensor networks continuously monitor the
physical, chemical processes or magnetic properties, using
the existing communications infrastructure.
Methods
• Connected nodes to laptop directly via USB.
• Programmed basic demo code from Libellium website.
• Used the gateway node to communicate with the laptop. The
gateway node is directly connected to the laptop and that is
how the nodes in the network relay information. The nodes
communicate via ZigBee using a 2.4GHZ frequency and they
have up to 12 channels.
• The events from the nodes is sent to the gateway node and
the output is displayed in the demo module.
• Attached event sensors to the ZigBee nodes to test the
sensory capability of the test bed.
.
Results
References
1-Ye, X., & Huang, J. (2011). A Framework for Cloud-based Smart Home. IEEE.
2- Xu, M., Ma, L., Xia, F., Yuan, T., Qian, J., & Shao, M. (2008). Design and Implementation of
a Wireless Sensor Network for Smart Homes. IEEE.
3- Cisco Systems. "Internet of Things (IoT)." Cisco. Cisco Systems. Web. 29 Sept. 2014.
<http://www.cisco.com/web/solutions/trends/iot/overview.html>.
4- Cisco Systems. "Internet of Everything." Cisco. Cisco Systems. Web. 29 Sept. 2014.
<http://www.cisco.com/web/about/ac79/innov/IoE.html>.
5- National Instruments. (2012, May 5). What Is a Wireless Sensor Network? Retrieved
September 29, 2014, from http://www.ni.com/white-paper/7142/en/
6- A. Abedi, A. Razi, F. Afghah, "Smart Battery-Free Wireless Sensor Networks for Structural
Health Monitoring," International Workshop on Structural Health Monitoring, Stanford
University, CA, Sep. 2011.
Test Bed
Fig. 2, Nodes connected together in the test bed
Applications
Wireless sensor networks have the potential to revolutionize
communications in a way similar to what we call the Internet of
things. Sensor networks currently being employed have a huge
potential for applications in various fields as follows.
• Smart Houses: convenience, energy efficiency, automation
• Health/Fitness: collecting patient information.
• Management of critical industrial areas: monitoring of oil
containers, checking the concentration of chemicals and
gases, pharmaceutical process monitoring etc.
• Warehouse management and supply chain: monitoring and
historical states of the goods with the conditions of critical
conservation.
• Military applications: surveillance and recognition and
building automation.
• Power Systems (Smart Grids).
Fig. 3, Zigbee node, Diagram, and Zigbee Radio
Example of Android
interfacing app curtesy
of Libellium
The sensor networking is working properly.
The sensors were able to sense their
respective events and send the event to the
gateway nodes. The Waspmote demo
module also monitors the battery life of the
nodes and as the test bed was used battery
consumption was minimal. This was
probably due to communication via ZigBee
(IEEE 802.15) vs popular high energy
consumption protocols like Wi-Fi(IEEE
802.11 a/b/g/n)