1. Zigbee is a wireless technology standard used for remote monitoring and control of devices through low-power networks. It allows for low-cost, long battery life transmission of data over medium ranges. 2. The document discusses applications of Zigbee technology in industrial automation, home automation, smart metering, and smart grid monitoring by enabling wireless monitoring and control of sensors, instruments, appliances and other devices. 3. Zigbee supports different network topologies like star, cluster tree and mesh. It is built on the IEEE 802.15.4 standard and provides networking and security services to applications. Real-time applications of Zigbee discussed include lighting control, appliance control, HVAC control

1. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 05 Issue: 03 | Mar-2018 www.irjet.net p-ISSN: 2395-0072
© 2018, IRJET | Impact Factor value: 6.171 | ISO 9001:2008 Certified Journal | Page 125
REAL TIME APPLICATIONS OF ZIGBEE TECHNOLOGY
Arockia Panimalar.S1, Monica.J2, Amala.S3, Muthumeenal.L4
1Assistant Professor, Department of BCA & M.Sc SS, Sri Krishna Arts and Science College, Tamilnadu
2,3,4 III BCA, Department of BCA & M.Sc SS, Sri Krishna Arts and Science College, Tamilnadu
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Abstract: Zigbee technology is a remote sensor organize
framework which guarantees remotecheckingandcontrolling
of load parameters. A portion of the attributes like minimal
effort, low power, low information rate, simple establishment,
low support, numerous topologies, and so forth, makes this
correspondence more appropriate for a wide assortment of
utilizations contrasted with other short-go correspondence
advancements. Wireless communications are quickly
expanding these days in applications, for example, remote
sensor systems, modern mechanization frameworks, home
robotization frameworks, remote control frameworks,
restorative care types of gear, computerization frameworks
for horticultural utilize, and different applications. Among
different correspondence advancements, Zigbee is a
developing and exceptionally encouraging worldwide
benchmarks based remote correspondence innovation.
Key Words: Zigbee, IEEE 802.15.4,Framework,Wireless
Communication and Real Time Applications.
1. INTRODUCTION
Zigbee is the most famous industry remote work organizing
standard for associating sensors, instrumentation and
control frameworks. Zigbee, a detail for correspondenceina
remote individual territory organize (WPAN), has been
known as the "Web of things." Theoretically, the Zigbee-
empowered espresso producer can speak with the Zigbee-
empowered toaster. Zigbee is an open, worldwide, parcel
based convention intended to give a simple to-utilize
engineering for secure, solid, low power remote systems.
Zigbee and IEEE 802.15.4 are low information rate remote
organizing norms that can wipe out the expensive and harm
inclined wiring in mechanical controlapplications.Streamor
process control hardware can be put anyplaceandstillspeak
with whatever is left of the framework. It can likewise be
moved, since the system couldn't care lessaboutthephysical
area of a sensor, pump or valve.
The Zigbee RF4CE standard improves the IEEE 802.15.4
standard by giving a straight forward systems
administration layer and standard application profiles that
can be utilized to make interoperable multiple seller and
buyer electronic arrangements.
2. WIRELESS COMMUNICATION
Every wireless communication systems have the following
components:
 Transmitter
 Receiver
 Antennas
 Path between transmitter and receiver
The transmitter bolsters a flag of encoded information
balanced into RF waves into the radio wire. The reception
apparatus emanates the flag through the air where it is
gotten by the radio wire of the collector. The collector
demodulates the Radio Frequency (RF) waves over into the
encoded information stream sent by the transmitter.
There are many wireless networks and are as follows:
a. Wireless Personal Area Network (WPAN)
b. Wireless Local Area Networks (WLAN)
c. Wireless Wide Area Networks (WWAN)
2.1 Topology Models
There are many topologies for the wireless communication
networks. The network topologies are aligned by IEEE
802.15.4 and the Zigbee specifications. The topology of a
network describes how the nodes are connected. Zigbee
technology supports topologies like star topology and two
types of peer-to-peer topologies namely cluster tree and
mesh topologies.
Fig 1: Star Topology

2. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 05 Issue: 03 | Mar-2018 www.irjet.net p-ISSN: 2395-0072
© 2018, IRJET | Impact Factor value: 6.171 | ISO 9001:2008 Certified Journal | Page 126
Fig 2: Cluster Tree Topology
Fig 3: Mesh Topology
3. SCOPE OF IEEE 802.15.4
IEEE 802.15.4 is a bundle based radio convention. It tendsto
the correspondence needs of remote applications that have
low informationratesand low power utilizationnecessities.
It is the establishment on which Zigbee is fabricated. It
comprises of two layers, physical layer and MAC layer.
Fig 4: Zigbee Stack
4. ZIGBEE NETWORK
Utilizations of Zigbee technology is notconstrainedinlightof
the fact that it is financially savvy, low-control battery and
remote network, for the most part all the homemachinesare
bolstered by Zigbee innovation. Zigbee innovation is altered
in a chip outline and is used as a piece of various
contraptions to work consequently. For controlling and
observing an entire manufacturing plant unit whilesittingin
one lodge is conceivable by utilizing Zigbee innovation. It
unifiesevery one of the units in a single place andempowers
the remote checking.
Fig 5: Zigbee Network
5. REAL TIME APPLICATIONS OF ZIGBEE
A. Industrial Automation
In assembling and creation enterprises, a correspondence
connect consistently screens different parametersand basic
types of gear. Thus Zigbee impressively decrease this
correspondence cost and additionally upgrades the control
procedure for more noteworthy unwavering quality.
B. Home Automation
Zigbee is consummately suited for controlling home
apparatuses remotely as a lighting framework control,
machine control, warming and cooling framework control,
wellbeing gear activities and control, reconnaissance, etc.
C. Smart Metering
Zigbee remote tasks in keen metering incorporate vitality
utilization reaction, estimating support, securityoverpower
burglary, and so on.
D. Smart-Grid Monitoring
Zigbee tasks in this brilliant matrix includes remote
temperature observing, blame finding, receptive power
administration.

3. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 05 Issue: 03 | Mar-2018 www.irjet.net p-ISSN: 2395-0072
© 2018, IRJET | Impact Factor value: 6.171 | ISO 9001:2008 Certified Journal | Page 127
6. CONCLUSION
In this paper, Zigbee technology and its applications are
discussed. Zigbee technology is supported by all the home
appliances and daily routine activities. It supports wireless
topologies and specifications for the better understandingof
the usage of this Zigbee Technology.
7. REFERENCES
[1] https://www.elprocus.com/what-is-zigbee-technology-
architecture-and-its-applications.
[2]https://www.sensorembedded.com/product/Introductio
n/ZigbeeTechnology.pdf
[3]https://www.people.cs.nctu.edu.tw/yctseng/papers.pub/
zigbee.pdf
[4]ftp://ftp1.digi.com/support/documentation/html/manua
ls/Zigbee/Zigbee.htm