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Practical applications and design challenges of wireless heterogeneous sensor networks

Salami, Abdulazeez F. and Anwar, Farhat and Bello-Salau, Habeeb and Hussaini, Mukhtar (2011) Practical applications and design challenges of wireless heterogeneous sensor networks. In: Research Issues in Wireless Communication Networking. IIUM Press, Kuala Lumpur, pp. 139-144. ISBN 978-967-418-149-9

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Heterogeneous, {hetero + genos 'type', from Greek), is defined in Oxford Advanced Learner's Dictionary as "consisting of many different kinds of people or things" and defined in Longman Dictionary as "consisting of parts or members that are very different from each other." The design of interconnected nodes may be heterogeneous or homogeneous with the aim of catering for the design demands and purpose of various wireless applications. The heterogeneity or homogeneity of the interconnected nodes designed is with respect to their ability to sense events, transmit desired sensed data, computing and processing user queries, managing of energy resources and minimizing the complexity of the hardware design. The participating nodes in heterogeneous networks may be different in many aspects. They could have ditferent transmission radius, various kind of sensing units, different hardware power, and dit1erent power supply. Nodes with lesser energy resources serve as sensing nodes to collect physical information while nodes with more energy resources serve as data sinks. Heterogeneity could be viewed either in terms of capability or functionality of sensor nodes. In homogeneous networks, all the participating and active nodes are alike in nature and the same transmit power level is used for their operation. These alike nodes are inherently built with the same sensing units to track a single event [5, 9, 10]. Cluster heads and cluster members have different tasks in clustered sensor networks in the course of data delivering to the base station. An example is a tiered sensor network architecture where 802.11 mesh network comprise of high-end nodes, such as Intel XScale nodes which are deployed on a plain WSN field

Item Type: Book Chapter
Additional Information: 3276/21949
Uncontrolled Keywords: Wireless heterogeneous sensor networks, homogeneous
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Kulliyyah of Engineering
Depositing User: Prof. Farhat Anwar
Date Deposited: 29 Oct 2012 14:51
Last Modified: 30 Dec 2019 12:37
URI: http://irep.iium.edu.my/id/eprint/21949

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