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GSM sampling and coding question

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WimaxforVideoPhone

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GSM question

Hi friends,

I need to remember the answer of a question. But I cant handle the equation now.

At BSC side of GSM speech transmits to BTS side at 260 bits over E1 and at BTS it has been coded to 456 bits and transmit over 20ms blocks so gross total we have a 22 kb/s data rate. We assume the sampling frequency and according to nyquist criterion we sample the wawe at 8000 Hz. How can I acquire this 260 bits ????

Would appreciated if you can help.

Thanks
 

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