This same environment supports both virtualized network functions as well as service machines - a local computing cloud - that is integrated with the wireless network. All of the core computing, including the software-defined radios themselves, run within a unified virtualization environment in the van. Using the software-defined mobile network approach that we applied to our on-campus network, we built the mobile lab using software-defined radios and software-defined networking. We observed that many, if not most, were designed to house many traditional fixed-band radios. We created the concept for our mobile lab by studying emergency communications vehicles that other organization had assembled.
#WEBMAIL CROSSMOBILE FULL#
This mobile lab also includes local compute servers, a satellite ground station and a stand-alone power plant that give us the opportunity to create a full mobile network wherever we go. In addition to this fixed network, we’ve designed and built a mobile RF laboratory that allows us to take this capability into the field - with the ability to create, run, instrument and study cellular, WiFi, and narrowband networks. The CROSSMobile project at CMU’s Silicon Valley campus includes an on-campus cellular network testbed, supporting experimentation at all levels of networks. Bridging the gap often involves extensive planning, logistics and setup to create a real network in the field.
But even so, the more interesting studies involve real topographies, real antennas, and real user equipment with real users. Connecting theory to practice for wireless networks requires a substantial investment in lab facilities.
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