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Some preliminary short-range transmission loss measurements for wireless sensors deployed on indoor walls

Sasloglou, Konstantinos and Darbari, Faisal and Glover, I.A. and Andonovic, I. and Stewart, R.W. (2008) Some preliminary short-range transmission loss measurements for wireless sensors deployed on indoor walls. In: 11th IEEE Singapore International Conference on Communication Systems, 2008. IEEE, pp. 129-132. ISBN 978-1-4244-2423-8

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Antenna characteristics and propagation are of fundamental importance to the coverage, capacity and service quality of all wireless communication systems. This paper presents short-range narrowband propagation measurements at 2.445 GHz for sensor network applications in an indoor environment. The effect of sensor node location on a wall has been determined for a pair of linearly polarised rectaxial antennas and a pair of ceramic patch antennas. Propagation loss has been measured as a function of (i) node separation (i.e. link length), (ii) node drop (i.e. vertical displacement of nodes below the ceiling) and (iii) node height (i.e. the perpendicular displacement of the nodes from the wall surface). It is observed that there is no significant effect of wall offset. In addition, the path loss exponent n generally increases with decreasing node drop.

Item type: Book Section
ID code: 14618
Keywords: UHF antennas, channel capacity, microstrip antennas, quality of service, radiofrequency measurement, radiowave propagation, wireless sensor networks, ceramic patch antennas, frequency 2.445 GHz, indoor walls, linearly polarised rectaxial antennas, node drop, node separation, propagation loss, short-range narrowband propagation measurements, short-range transmission loss measurement, wireless communication systems, wireless sensor network, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Strathprints Administrator
Date Deposited: 15 Sep 2010 10:18
Last modified: 21 May 2015 19:01

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