Affiliations: Department of Systems and Information Engineering,
Toyota Technological Institute, 2-12-1 Tenpaku-Hisakata, Nagoya 468-8511,
Japan | Graduate School of Engineering, Fukuoka Institute of
Technology (FIT), 3-30-1 Wajiro-Higashi-ku, Fukuoka 811-0295, Japan | Department of Information and Communication
Engineering, Fukuoka Institute of Technology (FIT), 3-30-1 Wajiro-Higashi,
Higashi-Ku, Fukuoka 811-0295, Japan
Abstract: In this paper, we study a particular application of wireless sensor
networks for event-detection and tracking. In this kind of application, the
transport of data is simplified, and guaranteeing a minimum number of packets
at the monitoring node is the only constraint on the performance of the sensor
network. This minimum number of packets is called event-reliability. Contrary
to other studies on the subject, here we consider the behavior of such a
network in presence of a realistic radio model, such as the shadowing of the
radio signal. With this setting, we extend our previous analysis of the
event-reliability approach for the transport of data. In particular, both
regular and random networks are considered. The contribute of this work is to
show via simulations that, in the presence of randomness or irregularities in
the radio channel, the event-reliability can be jeopardized, that is the
constraint on the minimum number of packets at the sink node could not be
satisfied.
