
GMSK Modulation constellations
1. EDGE coding schemes
MCS1-4 (this is not the
same as GPRS CS1-4)
2. Uses GMSK modulation
3. 1 bit per symbol
4. Constant power trace
3S/8 8PSK Modulation Constellations
1. EDGE coding schemes
MCS5-9
2. Uses 3S/8 8PSK
3. 3 bits per symbol
4. Utilises a 3S/8 rotation
every symbol to avoid
zero transitions
5. Power trace now varies
with symbol transitions
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