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GPRS Interview Question:
Explain channel encoding scheme in GPRS?
Submitted by: Muhammad☆ Channel Encoding Scheme is based on a convolution code at various code rates and GMSK modulation
☆ The table below summarizes the options:
☆ Coding Scheme Speed
CS-1 8.0
CS-2 12.0
CS-3 14.4
CS-4 20.0
☆ The least robust and fasted coding scheme is CS-4 and is available near a Base Transceiver Station
☆ The most robust coding scheme is CS-1 and is used in case of mobile station is further away from a BTS
☆ A speed of 20.0 Kbit/s/time slots can be achieved with CS-4 and has 25% normal cell coverage
☆ A speed of 8.0 Kbit/s/time slots can be achieved with CS-1 and has 98% of normal coverage
Submitted by: Muhammad
☆ The table below summarizes the options:
☆ Coding Scheme Speed
CS-1 8.0
CS-2 12.0
CS-3 14.4
CS-4 20.0
☆ The least robust and fasted coding scheme is CS-4 and is available near a Base Transceiver Station
☆ The most robust coding scheme is CS-1 and is used in case of mobile station is further away from a BTS
☆ A speed of 20.0 Kbit/s/time slots can be achieved with CS-4 and has 25% normal cell coverage
☆ A speed of 8.0 Kbit/s/time slots can be achieved with CS-1 and has 98% of normal coverage
Submitted by: Muhammad
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