Abstract
Advanced toy robots within line-of-sight proximity can communicate through an infrared communications port. The LegOS (Lego Operating System) on top of an RCX system is an example of an operating system that enables such communication. Infrared communication is easy to implement in terms of hardware and software, but allowing three or more robots to participate in the communication is hard to accomplish through infrared techniques. This paper suggests a technique that not only allows communication between two robots that are in random positions, but also allows communication among multiple robots through routing. It achieves this by modifying the LNP protocol of LegOS. We show the algorithm and explain what changes are made to the LegOS kernel.
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