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Title Three-Dimensional Localization with Mobile Beacon-based Distance Estimation and Multidimensional Scaling-based Position Estimation
Degree Ph.D.
Author Euchan Kim
Advisor Kiseon Kim
Graduation Date 2011.02.24 File
    Date 2013-09-11 16:47
Wireless sensor networks (WSNs) is a new paradigm in wireless networks, which
are composed of a large number of sensor nodes that organize the multi-hop wireless
networks by themselves, and ful?ll their common missions through collaboration. Gen-
erally, WSNs provide a fundamental function forwarding the events perceived at some
sensor nodes to special nodes, such as gateways or a monitoring center. Because of
wide applications of WSNs, many world-wide research groups have been actively in-
vestigating the technologies related to WSNs for the last decade. As a main research
issue, localization is a network-wide positioning technique to ?nd out the position of
every sensor node randomly deployed in WSNs. The position information of a sensor
node is basically required in order to identify the originated place for the reported
events forwarded through the multi-hop networks and to handle them timely. In addi-
tion, it could be applicable to another research issues, such as geographic-based routing
algorithms, target tracking, coverage, forwarding inquiries and so on.
In addition to structured monitoring areas, the large-scale WSNs consider deploy-
ment of a large number of sensor nodes over the area where access of people is not
usually allowed, such as vast terrain, dangerous or con?dential area, rugged mountains,
underwater area where it is infeasible for people to submerge, etc. Therefore, it is de-
sirable that terrain where sensor nodes are deployed is regarded as three-dimensional
(3-D) complex space. However, most previous locating algorithms have intended to
locate nodes in 2-D space.
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