Ubiso - IP: DVBC2

DVB-C2 Decoder IP


Ubiso DVB-C2 IP is a highly optimized DVB-C2 Decoder solution designed by Ubiso for next generation cable digital television reception.

Ubiso DVB-C2 IP converts demodulated I/Q signals into a bit stream for use by the video decoder. This includes all de-interleaving, FEC decoding and output processing.

Product Brief


Key Features

  • All DVB-C2 modes
  • Dedicated DVB-C2 Pre-Processing with Resource Sharing
  • Processing one data and one common PLP concurrently in same or different data slices
  • Frequency Deinterleaving
  • Time-, Parity- and Bit Deinterleaving
  • QAM Demultiplexing
  • Depadding and depuncturing of L1 part 2 data
  • FEC frame haeader detector and decoder
  • I/Q mapping to LLR values


  • Optimized high performance FEC engine
    • Single LDPC/BCH Decoder shared for all modes
    • FEC engine parameters optimized for target throughput / application
    • DVB-C2 PLH & L1 Decoding
  • Output Processing
    • TS / GSE / GFPS / GCS output
    • De-Jitter Buffering and PLP Re-combination into single output stream
  • Standard AHB Interfaces for Host control and Memory Access
  • Optimized compile options targeted for ASIC and FPGA applications

Ubiso DVB-C2 IP in a DVB-C2 receiver (either iDTV or set-top box) application:



Block Diagram of DVB-C2 IP:


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