Exploring Hierarchy Architecture for Wireless Sensor Networks Management
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18-10-2010, 05:20 PM

Exploring Hierarchy Architecture for Wireless Sensor Networks


Shangwei Duan and Xiaobu Yuan
School of Computer Science, University of Windsor, Canada
swduangcs.uwindsor.ca, xyuanguwindsor.ca
401 Sunset Avenue, Windsor, Ontario, Canada. N9B 3P4

Large-scale wireless sensor networks are composed of
hundreds or thousands of autonomous sensor nodes. How
to manage wireless sensor networks effectively is a big
challenge. This paper presents a hierarchical management
architecture for wireless sensor networks. In contrast to
previous management architecture on wired networks and
wireless ad-hoc networks, this architecture is based on
wireless sensor networks' two distinct features:
centralization and task orientation. Based on such
architecture, the paper also develops a lightweight, taskoriented
clustering algorithm to reduce the granularity of
wireless sensor networks. The simulation demonstrates its
effectiveness in wireless sensor network based on energy
Keywords- Wireless Sensor Networks, Task
Orientation, Scalability, Light Weighting
Wireless sensor networks have been identified as one of
the most important technologies for the 21st century [1].
The current and potential applications of sensor networks
cover a wide range, including environment monitoring,
military sensing, emergency medical care, industrial and
manufacturing remote control, mechatronics and
automation [1][2]. Such a big diversity of applications
poses huge challenges to the effective management of
wireless sensor networks.
"Even though management of sensor networks is a nontrivial
task, this area has been left largely untouched."[3]
Recent research on the management of wireless sensor
networks has mainly focused on the topology and
connectivity [4] [5]. In 1993, A. Leinwand and K. Fang
refer to network management as "A process of controlling
a complex data network so as to maximize its efficiency
and productivity" [6]. The International Standards
Organization (ISO) divides the network management into
five areas: fault management, configuration management,
security management, performance management, and
accounting management [7]. Especially, most wireless
sensor nodes are powered by battery rather than external
power, so that energy conservation is a key issue for the
design and implementation of wireless sensor networks.Consequently, energy management becomes a special and
important aspect of wireless sensor network management.

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