CCSDS 131.2 Wideband

The Creonic CCSDS high performance wideband demodulator performs all tasks of an inner receiver. It allows for processing symbol rates of 500 Msymb/s on state-of-the-art FPGAs. The demodulator expects the quantized, complex baseband samples from ananalog-digital-converter (ADC) and recovers timing, frequency and phase of the complex mapped symbols. In addition, the core handles PL frame recovery and PL deframing. The output inter-face of the demodulator perfectly fits the Creonic CCSDS forward error correction IP core that implements a Serial Concatenated Convolutional Code (SCCC) decoding.






  •  Satellite communication
    • High data rate telemetry
    • Earth Exploration Satellite
      Service (EESS)
  • Applications with the highest
    demands on forward error correction
  • Applications with the need for a wide
    range of code rates and block lengths

Standard Features the Core Supports

  • Compliant with CCSDS 131.2-B-1
  • Supports ACM mode
  • Supports roll-off factors 5%, 10%,
    15%, 20%, 25% and 35%
  • Support for blocks with pilots only
  • Support for QPSK to 64-APSK
  • Output of XFECFRAMEs for further
    processing by the Creonic FEC


   Your Benefits


  •  Contains radio interface, decimator, timing recovery, equalizer, frame acquisition, and carrier recovery
  • Performs and supports DC offset correction, I/Q imbalance correction (optional), decimation (optional), FFT-based blind frequency estimation, coarse frequency estimation, timing recovery, matched filtering, downsampling, frame synchronization, fine frequency correction, coarse and fine phase correction, equalization, PL descrambling, and PL deframing
  • Low-power and low-complexity design
  • On-the-fly configuration

  • Memory mapped interface for controlling the core and for retrieving status information
  • Very fast synchronization due to different sets of filter coefficients for acquisition and tracking mode
  • Configurable interrupts and output of synchronization status information
  • AXI4-Stream handshaking interfaces for seamless integration
  • Perfectly fits to the Creonic CCSDS SCCC Turbo decoder
  • Available for ASIC and FPGAs (AMD Xilinx, Intel)

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