Figure 3.
Layout of the testbed floor at University of Mannheim. The gray dots represent the offline reference locations; the black dots represent the selected online locations; and the squares show the location of access points.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.