Article | REF: TE7364 V1

Cellular networks - From GSM to GPRS

Author: Jean CELLMER

Publication date: May 10, 2004 | Lire en français

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8. Service quality management

In a GPRS network, particular attention is paid to [17] quality of service. In fact, to optimize the use of radio resources, the various services have been classified according to their sensitivity to the degradation of certain parameters, and for each of them, transmission is carried out by optimizing these different parameters. This is true quality-of-service management.

Example

a telephony service requires transmission to be as instantaneous as possible, but will put up with a few erroneous bits without any appreciable effect, whereas the transmission of a file can accept a significant delay in transmission, but does not take kindly to erroneous or lost data packets: they must be retransmitted.

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