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Body Sensor Networks (BSNs) enable continuous and remote health monitoring in medical applications. In realistic deployments, inter-user interference is the major cause that deteriorates reliable data transmissions in BSNs when multiple BSNs are transmitting simultaneously in close proximity to one another. In this paper, we evaluate the performance of BSNs in terms of Packet Error Rate (PER) in the...
This paper details a novel approach of developing a low-cost and high speed maritime ship-to-ship/shore mesh network to complement or replace satellite communications in narrow water channels or traffic lanes close to shorelines. To design the system, we gathered requirements from typical users of the system. We then carried out preliminary studies such as radio channel propagation over sea water,...
During times of calamity, such as an earthquake or tsunami, rescue and recovery efforts are usually hampered by communications failure as the incumbent communications infrastructure has most likely been damaged or destroyed during the disaster. An ad-hoc communications infrastructure, with support for multimedia traffic such as Voice over IP and video- streaming, must be quickly put in place to support...
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