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Title Energy Efficient MAC Protocol with Transmission Power Control for Wireless Sensor Networks
Degree MS
Author Seok Woo
Advisor Kiseon Kim
Graduation Date 2006.02.24 File
    Date 2013-09-11 20:53
In recent years, the advances in circuit design, sensing, data storage and wireless
technologies have enabled the manufacture of low cost, low power and small sized sen-
sors that have created a new technology: wireless sensor networks. These networks will
become the leading technologies in the next few years due to the increasing demand
for ubiquitous communication devices and the need for various human-centric applica-
tions. The plethora of applications of wireless sensor networks (WSN) will change our
entire way of life from health monitoring to military purposes. Under these various
applications, there are many research challenges to be solved in terms of the speciØc
characteristics of the sensor systems.
The speciØc design goals for the
entire
WSN applications are impractical due to
their wide range of applications. However, some common requirements and design
issues of such systems exist. One primary requirement for WSN is the energy e±cient
operation of sensors. Typically, a senor network consists of a large number of tiny
sensors which detect various physical phenomena in a sensing Øeld and sensed data
is delivered to the users for monitoring or appropriate reactions. These sensors work
with a battery which is di±cult to recharge or replace after deploying sensors into the
sensing Øeld. Therefore, the entire architecture of WSN have to be designed taking
into consideration energy e±ciency as the most important feature to prolong network
lifetime.
Energy e±ciency typically sacriØces network performance, such as packet latency
and overall data throughput.
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