• AN ADVANCED RECONFIGURABLE MULTI-CHANNEL COMMUNICATION TERMINAL FOR TELEMETRY APPLICATIONS BASED ON FLEXICOM 260A

      Chandran, Henry; Navtel Systems SA (International Foundation for Telemetering, 2001-10)
      Traditional communication hardware has focused on modular architectures. Now, with the incoming high speed DSP and FPGAs a shift from traditional modular architecture to reconfigurable architecture has taken place. The nature of this architecture allows to optimize various telemetry applications in a single platform. This paper describes a reconfigurable multi channel communication system.
    • BANDWIDTH EFFICIENT CONCATENATED CODES FOR EARTH OBSERVATION TELEMETRY

      Calzolari, Gian Paolo; Cancellieri, Giovanni; Chiaraluce, Franco; Garello, Roberto; European Space Agency; Università di Ancona (International Foundation for Telemetering, 2001-10)
      Telemetry for Earth-Observation missions is characterized by very high data rates and stringent requirements. Channel codes both power and bandwidth efficient must be used to improve downlink performance and to achieve the very low values of error rates needed at the received side. In this paper, we review and analyzed three codes of possible interest for these applications: turbo codes, serial turbo codes and product codes. These schemes are evaluated and compared both by simulation and analytical techniques. A particular attention is devoted to complexity, a key issue for practical implementation at high data rates.