gprs - The LNM Institute of Information Technology Jaipur

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The LNM Institute of Information Technology Jaipur © GPRS General   Packet Radio Service (GPRS) Vishwanath Sinha www.powerpointpresentationon.blogspot.com
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The LNM Institute of Information Technology Jaipur Data Services over GSM(phase1): Short Message Service  (SMS) : The SMS allows the mobile  terminal to send and receive short messages of upto 160  characters (7-bit ASCII). Messages are routed via the control  channel (which is normally used for signaling purposes) Circuit Switched Service  :The data is sent on the normal  traffic channel (TCH). TCH : 13 kbps full rate encoded voice/ 9.6 kbps data  © GPRS
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The LNM Institute of Information Technology Jaipur Disadvantage of the Circuit - Switched Service A maximum of 9.6 kbps data rate Inefficient utilization of radio interface (as data traffic is bursty  in nature); Inefficient resource management Customer pays for the connection time and not for the volume  of data transferred (or usage). Long call set up time © GPRS
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The LNM Institute of Information Technology Jaipur Data traffic is increasing.This is a worldwide phenomena:  Internet   browsing one of the principal attributes It has already crossed the voice traffic in several countries It is desirable to have higher bandwidth and efficient  services using existing network. In principal, three alternatives for higher than 9.6 kbps data  rate: High -Speed Circuit-Switched Services ( HSCSD ) General Packet Radio Service ( GPRS ) • Enhanced Data Rate for GSM Evolution ( EDGE ) © GPRS
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High Speed Circuit Switched Services (HSCSD) Provides higher bandwidth to users - upto 57.6 kbps by using 4 time slots (TCH) of a carrier frequency - 14.4 kbps per channel by new channel coding scheme.
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This note was uploaded on 01/05/2012 for the course ECEN 212 taught by Professor Hamilton during the Fall '11 term at BYU.

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gprs - The LNM Institute of Information Technology Jaipur

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