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Abstract : |
Technology trends are extending the flexibility and convenience of today's sensor networks through the introduction of new capabilities such as multi-frequency radio transceivers, GPS, and innovative system management tools. This paper expands upon these motivations to present an integrated general-purpose MultimodAl system for NeTworks of In-situ wireless Sensors (MANTIS). The MANTIS system promotes multimodal flexibility and ease of use through its support for multimodal sensing including GPS-enabled location and time, multi-frequency communication, multitasking sensor nodes, and a new multi-platform operating system called MANTIS OS (MOS). For the novice, MANTIS provides convenient tools such as a simple cross-platform API, a remote shell for debugging and logging into MOS nodes, fine-grained dynamic reprogramming via the radio, and in-board sensor placement. For the expert, MANTIS supports true networked emulation of MOS sensor nodes as X86 processes, as well as seamless bridging between an X86-based network of MOS virtual sensors and an actual sensor network of active physical MOS nodes, called nymphs. 1, |
