Quality of Service and Energy Management in Wireless Sensor Networks
Volume: 1 - Issue: 02 - Date: 01-02-2012
Approved ISSN: 2278-1412
Published Id: IJAECESTU189 | Page No.: 82-87
Author: Pankaj Govindrao Vispute
Co- Author: Dr. R. S. Kawitkar
Abstract:-Recent technological improvements have made the deployment of small,
inexpensive, low-power, distributed devices, which are capable of local processing and
wireless communication, a reality. Such nodes are called as sensor nodes. Each sensor node
is capable of only a limited amount of processing. But when coordinated with the information
from a large number of other nodes, they have the ability to measure a given physical
environment in great detail. Thus, a sensor network can be described as a collection of sensor
nodes which co-ordinate to perform some specific action. Unlike traditional networks, sensor
networks depend on dense deployment and co-ordination to carry out their tasks. Previously,
sensor networks consisted of small number of sensor nodes that were wired to a central
processing station. However, nowadays, the focus is more on wireless, distributed, sensing
nodes. But, why distributed, wireless sensing. When the exact location of a particular
phenomenon is unknown, distributed sensing allows for closer placement to the phenomenon
than a single sensor would permit. Also, in many cases, multiple sensor nodes are required to
overcome environmental obstacles like obstructions, line of sight constraints etc. In most
cases, the environment to be monitored does not have an existing infrastructure for either
energy or communication. It becomes imperative for sensor nodes to survive on small, finite
sources of energy and communicate through a wireless communication channel.
Key Words:--
Area:-Engineering
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