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This paper describes the profile of the GPRS : GPRS wireless transmission system for a very broad range of applications, almost cover all the middle - and low-speed data transmission and low business, in particular small-volume data transmission business for the unexpected. GPRS data transmission : GPRS networks on the basis of the introduction of GSM in a control unit (PCU). Service Support Node (SGSN) and gateway support node (GGSN), a new form of wireless data transmission components. GPRS network structure : 1, 2 million PCU single control sub-group, SGSN support GPRS service node 3. GGSN node support GPRS network relations. GPRS services available : 1, 2 WAP over GPRS, e-mail E-Mail3. PDAs e (Sina Pager) 4 + notebook GPRS mobile phone, wireless Internet access and 5. 6 Kilobytes downloaded support industry application

Abstract: This article mainly introduced the related GPRS survey: TheGPRS wireless transmission system application scope is extremelywidespread, nearly may cover the all center low service and the lowgear rate data transmission, especially suitablly arise suddenly smallcurrent capacity data transmission service.
GPRS net data transmission: GPRS was has introduced the wireless datatransmission in the GSM foundation which the packet control unit(PCU), the service support pitch point (SGSN) and the gateway supportpitch point (GGSN) and so on the new part constituted. GPRS networkarchitecture: 1st, PCU packet control unit 2, SGSN GPRS servicesupport point 3, GGSN GPRS gateway support point. GPRS may provideservice: 1st, GPRS load bearing WAP 2, on email E-Mail3, the palm emeets (Sina Pager) 4, the GPRS handset + notebook, the wireless wayturns on Internet 5, Kjava downloads 6, the support professionapplication