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Chamath Keppitiyagama

Researcher at University of Colombo

Publications -  77
Citations -  553

Chamath Keppitiyagama is an academic researcher from University of Colombo. The author has contributed to research in topics: Wireless sensor network & Computer science. The author has an hindex of 8, co-authored 67 publications receiving 480 citations. Previous affiliations of Chamath Keppitiyagama include University of British Columbia.

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Proceedings ArticleDOI

A public transport system based sensor network for road surface condition monitoring

TL;DR: A public transport system based sensor network to monitor road surface condition and this network is currently building a network called BusNet to monitor environmental pollution and that system can be extended for road surface conditions monitoring by adding acceleration sensor boards to the system.
Proceedings ArticleDOI

TempLab: a testbed infrastructure to study the impact of temperature on wireless sensor networks

TL;DR: TempLab is presented, an extension for wireless sensor network testbeds that allows to control the on-board temperature of sensor nodes and to study the effects of temperature variations on the network performance in a precise and repeatable fashion, and can accurately reproduce traces recorded in outdoor environments with fine granularity.
Proceedings ArticleDOI

A performance comparison of hypervisors

TL;DR: This work focuses on developing a sub-cent RFID capable of operating from a reasonable distance, though with some compromise on the information content, and uses soft-computing techniques to analyze the nature of the clutter signal.

Hot packets:a systematic evaluation of the effect of temperature on low power wireless transceivers

TL;DR: This work uses a low-cost experimental infrastructure to vary the on- board temperature of sensor nodes in a repeatable fashion, and studies systematically the impact of temperature on various sensornet platforms, showing that temperature affects transmitting and receiving nodes differently and that all platforms follow a similar trend that can be captured in a simple first-order model.
Journal ArticleDOI

A Six Degrees of Freedom Ship Simulation System for Maritime Education

TL;DR: Six-degrees-of-freedom ship simulation system which allows simulated ship handling under complicated environmental conditions and threat scenarios and can be used to demonstrate ship motions, maneuvering tactics and assign focused missions to trainees and evaluate their performance.