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Throughput and buffer analysis for GSM General Packet Radio Service (GPRS)

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3 Author(s)
J. Ho ; Nortel Networks, Richardson, TX, USA ; Y. Zhu ; S. Madhavapeddy

The Global System for Mobile Communications (GSM) Phase 2+ standard specifies a new type of packet data service called General Packet Radio Service (GPRS). GPRS allows the dynamic allocation of bandwidth resources. Wireless channels are allocated to a mobile terminal based on its traffic demands. This results in better resource utilization compared to the circuit-based data services. In general, packet-based communication has more bursty traffic and longer connection time compared to its circuit-based counterpart. A communication session may last for an extended period of time with intermittent packet transmissions. This traffic behavior coupled with flexible bandwidth allocation in a GPRS network results in multiplexing gain that is not available in circuit switched data networks. This paper evaluates the throughput and buffer utilization in a GPRS network under Internet traffic models, such as WWW and E-mail. The performance of GPRS is then compared with the circuit based GSM network to demonstrate the improvement due to multiplexing gain

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Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE

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