Shadow matching. The two GNSS mobile phones beside the middle one show additional possible user positions referenced by the along-street component of the standard point positioning (SPP) solution. By ...
Read More →Brock Butler By Brock Butler In the next two to four years, mobile device location platforms will be able to provide positioning performance that enables emergency call (E911) and location-based servi...
Read More →By Pere Molina, Ismael Colomina, Markus Troger, Bernhard Hofmann-Wellenhof, and Carmen Aguilera A pocket tracker for elderly people and Alzheimer’s patients consists of a smartphone using GNSS, WLAN...
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More Satellites, More Sensors Take Urban Navigation Downtown and Deep Indoors By Frank van Diggelen As we all know, GPS is practically perfect in every way — as long as it’s outside and unobstruct...
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