1. BRAZILIAN DIGITAL TELEVISION TESTS SET-ABERT Group BRAZIL April / 2000

2. Systems

3. Evaluation of C/N Interferer = White Noise ATSC: 8VSB FEC=2/3 (19,39 Mbits) DVB & ISDB: Choice of parameters define C/N –DVB-2K: 64 QAM FEC=3/4 GI=1/16 2K (19,75 Mbits/s) –DVB-8K: 64 QAM FEC=2/3 GI=1/32 8K (18,09 Mbits/s) –ISDB: 64 QAM FEC=3/4 GI=1/16 4K 0,1s (19,33 Mbit/s)

4. Impulse Noise Better performance of the ISDB-T system, by introducing time interleaving

5. Static Multipath

6. Doppler Effect

7. Field Tests Results

8. Outdoor: Coverage

9. Outdoor: Gap Filler

10. Indoor Reception

11. Thank You For Your Attention! Ana Eliza Faria e Silva –afaria.cge@tvg.redeglobo.com.br Fernando Wiktor Q. Pietrukowicz –wiktor.cge@tvg.redeglobo.com.br