NanoQplus: A Multi-Threaded Operating System with Memory Protection Mechanism for WSNs

Publications 2011.05.08 21:44
Sang Cheol Kim, Haeyong Kim, JunKeun Song, Misun Yu and Pyeongsoo Mah, in Proceedings of the CKWSN 2008.

AbstractSensor networks are specially constructed networks for collecting data from sensor nodes and delivering it to sink nodes at the end. Each nodes in a sensor network are small embedded systems, which require wireless communication among them with limited hardware constraints. If programmers develop sensor network applications for a large-area sensor network, the development of application will be very difficult without any support of operating system. Therefore, we developed a small operating system, referred to as NanoQplus, to enable to build a large-scale sensor network application rapidly and efficiently. NanoQplus is a multi-threaded, lightweight and low-power sensor network operating system. Although multi-threaded operating systems in sensor nodes need to manage multiple stacks to prevent the stack overflow problem, NanoQplus gives an elegant solution with a memory protection mechanism. This paper describes all about NanoQplus technologies; a philosophy, design issues, architecture, supported software products and NanoQplus programming style.

Index Terms  – Wireless Sensor Networks, Small Embedded Operating System, NanoQplus

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