This paper describes the application of wireless local area network (LAN) simulation modeling methods to the hybrid LAN architecture designed for supporting crew-computing tools aboard the International Space Station (JSS). These crew-computing tools, such as wearable computers and portable advisory systems, will provide crew members.with real-time vehicle and payload status information and access td digital technical and scientific libraries, significantly enhancing human capabiIities in

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... ' A wireless network, therefore, will provide wearable computers and remote instruments with, ' the high performance computational power needed by' next-generation "intelligent" software applications; . Wireless network performance in such simulated environments is characterized by the sustainable throughput .of data under different ..kf%c conditions. This data will be used 'to help plan. the ddition of more accc §a points supporting new modules .and .more .nodes for' i m network capacity as the ISS growsi