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DVB-T2 Demodulator
This design is a DVB-T2 OFDM demodulator, supplied as portable and synthesizable Verilog-2001 IP. The system was designed to be used in conjunction with a standard RF tuner. QAM signal constellations are supported, including QAM16, QAM64 and QAM256 . QPSK, and BPSK also supported. The operation of the demodulator is automated by a master finite state machine.
Features
- Parallel and Serial MPEG outputs
- Short and Long Frames
- Single input – Single output (SISO)
- Sampling frequency offset (SFO) tracking and compensation
- Carrier frequency offset (CFO) detection and correction
- Flexible channel BW (1.7, 5, 6, 7, 8, and 10) MHz
- Flexible modulation (QPSK, 16QAM, 64QAM, and
- 256QAM)
- Flexible FFT size (1, 2, 4, 8, 16, and 32) K
- Flexible guard interval (1/128, 1/32, 1/16, 19/256, 1/8,
- 19/128, and 1/4)
- Flexible coding rate (1/2, 3/5, 2/3, 3/4, 4/5, and 5/6)
- Soft demodulation
- Layered Min-Sum LDPC decoder
- BCH decoder
Deliverables
- Synthesizable Verilog
- System Model (Matlab / C)
- Verilog Test Benches
- Documentation
Applications
- DVB-T2 Receivers, Set top boxes
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