Link-Layer Coding: A Way to Speed-Up Nex-Gen GNSS
FRANCESCA ZANIER AND STEFANO CIONI, ESA/ESTEC The time-to-first-fix (TTFF) is the time that a GNSS receiver takes to make available for the first time from switch-on an indication of the user position. Smaller TTFFs have become a premium performance metrics for any receiver, particularly as smartphones, tablets and location-based services have expanded so rapidly. The TTFF depends on a number of factors, some specific to receiver design, others depending on the particular conditions the receiver operates in (urban canyon, indoors, foliage, etc.). Still others depend on GNSS system design. Co...
Source: insidegnss.com