Abstract
DVB-T2 is a widely adopted standard for digital data transmission systems. The standard defines multi-cascade encoding of the input signal. Noise immunity of the transmitted data is ensured by combination of Bose-Chaudhuri-Hocquenghem and Low-Density Parity-Check codes with subsequent COFDM modulation. The work considers inclusion of the additional stage to the existing code cascades. This stage provides protective encoding by the code with code signal feature. The research demonstrates that introduction of protective encoding improves power efficiency of the system and decreases signal-to-noise ratio, required to achieve a certain level of bit error rate. The work also shows that the code signal feature-based code simplifies encoder and decoder structure and replaces COFDM modulation by a light-weight pulse-position modulation.
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