Table 1 Coding gain of BER curve according to space ratio 
at BER of 
and 
.
at BER of 
and 
.From: Optimization of Hierarchical Modulation for Use of Scalable Media
| 0.5 | 1 | 1.5 | 2 | 2.5 | 3 |
|---|---|---|---|---|---|---|
Difference in Coding Gain (dB) | 8.3 | 2.5 |
|
|
|
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