This paper describes the ZRL wireless sensor networking testbed built within the framework of the Zurich "Sensor Networks" and "Edge Server Software" projects. Besides its function as a demo platform for customer engagements, the testbed is used to address a wealth of exciting research challenges. We are carrying out performance evaluation with short-range wireless technologies that are highly relevant for sensor networking, such as IEEE 802.15.4 / ZigBee, Bluetooth, and IEEE 802.11. We explore the merits of wireless mesh networking to extend the range and enhance reliability. Also we are developing new light-weight messaging protocols which allow to bring messaging oriented middleware down to very low-end sensors or actuators enabling a true end-to-end solution. In addition, we address the growing need for location-sensing functionality in wireless and sensor networks.
ZRL “Sensor Networks” project: http://www.zurich.ibm.com/sys/communication/sensors.html
ZRL “Edge Server Software” project: http://www.zurich.ibm.com/sys/communication/edge.html
By: Hong Linh Truong; Daniel Bauer; Simeon Furrer; Sean Rooney; Wolfgang Schott; Beat Weiss
Published in: RZ3620 in 2005
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