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Báo cáo hóa học: "Research Article Development of a Testbed for Wireless Underground Sensor Networks"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Development of a Testbed for Wireless Underground Sensor Networks | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010 Article ID 620307 14 pages doi 10.1155 2010 620307 Research Article Development of a Testbed for Wireless Underground Sensor Networks Agnelo R. Silva and Mehmet C. Vuran Department of Computer Science and Engineering University of Nebraska-Lincoln Lincoln NE 68588 USA Correspondence should be addressed to Agnelo R. Silva asilva@cse.unl.edu Received 2 June 2009 Revised 21 October 2009 Accepted 27 November 2009 Academic Editor Arnd-Ragnar Rhiemeier Copyright 2010 A. R. Silva and M. C. Vuran. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Wireless Underground Sensor Networks WUSNs constitute one of the promising application areas of the recently developed wireless sensor networking techniques. WUSN is a specialized kind of Wireless Sensor Network WSN that mainly focuses on the use of sensors that communicate through soil. Recent models for the wireless underground communication channel are proposed but few field experiments were realized to verify the accuracy of the models. The realization of field WUSN experiments proved to be extremely complex and time-consuming in comparison with the traditional wireless environment. To the best of our knowledge this is the first work that proposes guidelines for the development of an outdoor WUSN testbed with the goals of improving the accuracy and reducing of time for WUSN experiments. Although the work mainly aims WUSNs many of the presented practices can also be applied to generic WSN testbeds. 1. Introduction Wireless Underground Sensor Networks WUSNs are a natural extension of the wireless sensor network WSN phenomenon to the underground environment. WUSNs have been considered as a potential field that will enable a wide variety of novel applications in the fields