TAG: University College London

Cover: GPS World

PNT Roundup: Uber turns on shadow matching

May 2, 2018

Figure 20. GNSS shadow-matching scoring map – unambiguous case (the cross shows the true position and white areas are indoor locations). (Photo: Paul D. Groves, Lei Wang, Debbie Walter and Ziyi Jiang, University College London)

Toward a Unified PNT — Part 2

October 31, 2014

Photo: peeterv/iStock/Getty Images Plus/Getty Images

Toward a Unified PNT — Part 1

October 2, 2014