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Martyn Williams covers mobile telecoms, Silicon Valley and general technology breaking news for The IDG News Service. The team didn't set out to map cellular coverage for drones, but the work could be important as regulatory hurdles are cleared for greater use of drones by the public and companies. "People think that 'if I can see the antenna, the signal must be great,' but that's not really true," said Iannucci.
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The hope is that the radio measurements and terrain map will lead to software than can more accurately simulate cell coverage in any given location. With all my efforts getting into a US master’s program finally coming to a successful end it seems like it is time to share the experience of the last couple of years. Geological Survey to get detailed laser scans of the surrounding terrain. Recently, the group partnered with the U.S. Students then climb up onto the roof of the ambulance and fly their drones, all the time capturing information about the cellular signal. The CROSSMobile Van Visit Us Home» Visit Us» Visit Us We are located at NASA Ames Research Park, in the heart of Silicon Valley. A rack of servers and radio gear inside the ambulance generates the cellular signal and a satellite antenna on the roof of the vehicle provides an Internet connection. They claimed, again, to have hit the 1,000,000 people mark in 2013. They raise a pneumatic mast and antenna that have been fitted to the ambulance and power up the equipment. (A further note - San Jose claimed 1,000,000 people right before the 2010 census, only to be smacked down by the Census Bureau.
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So now, several times a year, Iannucci and his students travel to a remote location armed with an FCC license allowing them to operate an experimental radio system. "We discovered that the signal up there is pretty different from what you might imagine," said Iannucci, who was previously chief technology officer of Nokia and head of the company's research center.
The group first started taking measurements the old way, by walking around, but then decided that a phone strapped to the bottom of a quadcopter would be easier. "We have the ability to go anywhere, set up a big antenna, create what we call a cellular bubble of coverage, and connect that via satellite."
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"We've built into this old ambulance, a full cellular network," said Bob Iannucci, leader of the CyLab Mobility Research Center at the campus located at NASA's Ames Research Park at Moffett Field, California.
(See inside the ambulance in this video.) Using a converted ambulance and drones of their own, they have been investigating how cellular signals travel through the air and reflect off the ground and other objects to try to build an accurate model of coverage. Carnegie Mellon University Silicon Valley (CMU) continued their experimentation into machine learning on board small UAVs. Trying to predict the coverage of a base station is complicated, but that's where researchers at Carnegie Mellon University's Silicon Valley campus come in.
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