Performance Analysis and Implementation of Spatial and Blind Beamforming Algorithms for Tracking LEO Satellites with Adaptive Antenna Arrays
Conference: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
03/23/2009 - 03/27/2009 at Berlin, Germany
Proceedings: EuCAP 2009
Pages: 5Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Antón, Alberto; Martínez, Ramón; Salas, Miguel A. (Radiation Group (GR), SSR Department, Universidad Politécnica de Madrid, ETSI Telecomunicación, Ciudad Universitaria, s/n, 28040, Madrid, SPAIN)
Torre, Alberto (Ingeniería y Servicios Aeroespaciales, S.A. (INSA), Madrid, SPAIN)
Nowadays, earth stations for downloading data from LEO (Low Earth Orbit) satellites use large reflector antennas, which pose a number of impairments. In that context, antenna arraying techniques and smart antennas appear as an improvement in performance. This paper presents a comparative study of several beamforming algorithms on a Test-Bed platform and ideas about the calibration and signal tracking topics. The overall structure is based upon a Software Defined Radio (SDR) receiver. For our simulations and measures we will consider the NOAA (National Oceanic and Atmospheric Administration) satellites and more specifically the APT (Automatic Picture Transmission) signal.