CDA EVM9 Manuale Utente Pagina 9

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Coding Scheme Comparison
•The graph shows both GPRS and EDGE coding schemes with their max. throughputs.
• GPRS user throughput reaches saturation at a maximum of 20 kbps with CS4,
• EGPRS bit rate continues to increase as the radio quality increases until 59.2 kbps.
3 57 1 26 1 57 3 8.25
156.25 symbols
1 bit per symbol
Tail Useful Stealing Midamble Stealing Useful Tail Guard
8PSK
3 57 1 26 1 57 3 8.25
Tail Useful Stealing Midamble Stealing Useful Tail Guard
156.25 symbols
1 bit per symbol
8-PSK Modulation
GMSK Modulation
Air Interface - Time Slot Format
7
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