Wi-Fi positioning: System considerations and device calibration. - Thorsten Vaupel; Jochen Seitz 002; Frédéric Kiefer; Stephan Haimerl; Jörn Thielecke (IPIN, 2010)

Wi-Fi azimuth and position tracking using directional received signal strength measurements. - Jochen Seitz 002; Thorsten Vaupel; Stephan Haimerl; Javier Gutiérrez Boronat; Jörn Thielecke (SDF, 2012)