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husseinadel
Joined: 25 Jan 2006
Posts: 184
Helped: 12
Location: EGYPT,CAIRO
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 12 May 2006 13:58 question about gsm |
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hello
i know that channel transmission rate in gsm is 270 kbps,,and signals after speech coding and channel coding is 22.8 kbps,,,as channel (carrier) has 8 time slots so,,22.8*8 is less than 200 kbps so,,what is the 270 kbps holds? as it is larger than 22.8*8 kbps
thanks
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hamdy
Joined: 12 May 2006
Posts: 38
Helped: 3
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| 12 May 2006 22:38 question about gsm |
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| u forget that there are channel coding after the source conding( speech coding)
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husseinadel
Joined: 25 Jan 2006
Posts: 184
Helped: 12
Location: EGYPT,CAIRO
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| 13 May 2006 6:11 Re: question about gsm |
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| hamdy wrote: |
| u forget that there are channel coding after the source conding( speech coding) |
thanks for replying but if you read my topic well you will find that i said:"signals after speech coding and channel coding is 22.8 kbps"
please read well the topic before posting
regards
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sidra
Joined: 05 Apr 2006
Posts: 107
Helped: 12
Location: see in yr heart...found it?
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| 17 May 2006 7:38 Re: question about gsm |
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i think this can help u...check it
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