Knowledge

DVB-T2



The main features of DVB-T2:


1. Increased channel capacity by at least 30% over DVB-T, while also improving single-frequency network performance;

2. Service-oriented transmission robustness;

3. Program transmission suitable for mobile and fixed receivers;

4. Extensive reuse of existing DVB-T facilities;

5. Reduced peak-to-average power ratio, which reduces operating costs at the transmitter.

 

DVB-T2 enhanced performance:


1. Added IFFT mode OFDM modulation;

2. Effective error correction through LDPC coding;

3. Integrate the concept of DVB-S2 baseband frames;

4. Rotational constellation of delayed Q signals;

5.MISO transmission;

6. Reduced shoulder factor.


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