CONTENTS
1. Introduction
2. Literature Survey
3. What is the wireless sensor network
4. Types of wireless sensor network
5. Advantages
6. Disadvantage
7. Applications
8. Future Scope
9. Conclusion
10. References

INTRODUCTION
■ Wireless sensor networks (WSNs) are a new class of
wireless networks that are becoming very popular with
a huge number of civilian and military applications.
■ A wireless sensor network (WSN) is a wireless network
that contains distributed independent sensor devices
that are meant to monitor physical or environmental
conditions.
■ A WSN consists of a set of connected tiny sensor
nodes, which communicate with each other and
exchange information and data. These nodes obtain
information on the environment such as temperature,
pressure, humidity or pollutant, and send this
information
to a base station.

LITERATURE SURVEY
Sr no Name of Paper Author Name Summary
1
A Review on
IoT Based
Wireless Sensor
Network &
security
National
Institute of
Technology NIT,
Raipur, India
Shabnam and
Manju Pandey
This paper reviews
the literature to
reduce the problem
in security and
battery-powered
sensor networks
using some method
and algorithm.
2
Internet of things
based wireless
sensor network
Shayma Wail
Nourildean,
Mustafa Dhia
Hassib, Yousra
Abd
Mohammed,
University of
Technology,
Iraq
This review paper
presents a review of
IoT WSN. When
using WSNs, sensor
nodes collect data
from sensors and
send it to other
nodes.

WHAT IS THE WIRELESS SENSOR
NETWORK ?
■ Sensor Network works for monitoring the physical
world, that can sense, process and communicate.
■ A sensor network is a network of many
tiny disposable low power devices called
nodes.
■ A wireless sensor nodes consists of
sensing , computing, communication and
power components.
■ A WSNs usually consists of tens to thousands
of such nodes that used for communicate for
information sharing.

Types of wireless sensor network :-
■ Underground WSNs
■ Underwater WSNs
■ Multimedia WSNs
■ Mobile WSNs

UNDERGROUND
WSNs:-
■ The WSNs networks consist of several sensor nodes
that are hidden in the ground to monitor underground
conditions. To relay information from the sensor
nodes to the base station, additional sink nodes are
located above the ground.

UNDERWATER
WSNS
The WSNs networks consist of several sensor
nodes that are hidden in the ground to monitor
underground conditions. Underwater, WSNs are
equipped with a limited battery that cannot be
recharged or replaced.

MULTIMEDIA
WSNS
These networks consist of low-cost sensor
nodes equipped with microphones and cameras.
These nodes are interconnected with each
other over
a wireless connection for data compression.
multimedia contents require high bandwidth for the
content to be delivered properly and easily.

MOBILE WSNS
The mobile nodes can compute sense and
communicate. Mobile wireless sensor networks are
much more versatile than static sensor networks. The
advantages of MWSN over static wireless sensor
networks include better and improved coverage and
better energy efficiency.

ADVANTAGES
1. Energy-Efficient
2. Flexible
3. Scalable
4. Real-time Data

DISADVANTAGES
1. Limited Range
2. Cost
3. Security
4. Power Consumption

APPLICATIONS
■ Military Applications
■ Environmental Applications
■ Health Applications
■ Home and Office Applications
■ Automotive Applications
■ Other Commercial
Applications

Future Scope :-
■ As there is advancement in technology, the future
developments in sensor nodes must produce very
powerful and cost-effective devices.
■ In the future, sensor node may be used in applications
like underwater acoustic sensor systems, sensing
based cyber physical systems, time critical
applications, cognitive sensing and spectrum
management, security and privacy management [27].
■ This section elaborates the various possibilities of
further development in WSN applications.

■ WSNs play an important part in IoT technology.
■ When using WSNs, sensor nodes collect data from sensors
and send it to other nodes
■ WSNs possible today due to technological advancement in
various domains.
■ WSNs consist of small nodes with sensing, computation
and wireless communications capabilities.
■ WNSs are practical , cost effective and usefully.
■ WSNs provide a excellent information infrastructure
for the remote monitoring, tracking and control of indoor
and outdoor environments, industrial plants, and other
applications.
CONCLUSION

REFERENCES
1A. Rghioui and A. Oumnad, “Internet of things: surveys for
measuring human activities from everywhere,” International
Journal of Electrical and Computer Engineering (IJECE), vol.
7, no. 5,
p. 2474, Oct. 2017, doi: 10.11591/ijece.v7i5.pp2474-
2482.
2A. H. Bagdadee, M. Z. Hoque, and L. Zhang, “IoT based wireless
sensor network for power quality control in smart grid,”
Procedia Computer Science, vol. 167, no. 2020, pp. 1148–1160, 2020,
doi: 10.1016/j.procs.2020.03.417.
3J. M. Manpreet, “Simulation analysis of tree and mesh topologies in
Zigbee network,” International Journal of Grid and
Distributed Computing, vol. 8, no. 1, pp. 81–92, Feb. 2015,
doi: 10.14257/ijgdc.2015.8.1.08.
4 A. Singh and I. Snigdh, “Modelling failure conditions in
Zigbee
based wireless sensor networks,” International Journal of
Wireless and Microwave Technologies, vol. 7, no. 2, pp. 25–34, Mar.
2017, doi: 10.5815/ijwmt.2017.02.03.

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