Austin, TX — Ken Pesyna, Robert Heath, and Todd Humphreys authored the cover story of GPS World on centimeter-accurate positioning using smartphone GNSS antennas in the February 2015 edition.
“The smartphone antenna’s poor multipath suppression and irregular gain pattern result in large time-correlated phase errors that significantly increase the time to integer ambiguity resolution as compared to even a low-quality stand-alone patch antenna. The time to integer resolution — and to a centimeter-accurate fix — is significantly reduced when more GNSS signals are tracked or when the smartphone experiences gentle wavelength-scale random motion.
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