2006•Dianli zidonghua shebeiRequires access

Design and research on GPRS DTU

Jie Tan

Abstract

GPRS(General Packet Radio Service) is a wireless grouping exchanging technology based on the GSM(Global System for Mobile communication). It provides port-to-port and wide IP connec-tion and has the feature of being on line forever. The DTU(Data Terminal Unit) based on GPRS net-work is introduced. Its hardware and software are based on ARM chip S3C44B0X and GPRS module G20. After the construction of industrial GPRS supervisory and control system is generalized,the hardware design of GPRS DTU is introduced. Its software consists of μC / OS -Ⅱ operating system,TCP / IP protocol and point-to-point protocol. The data can be transmitted between user equipments and user data centers via GPRS unit.

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Available abstract

Key concepts: General Packet Radio Service, GPRS core network, Access Point Name, GSM, Computer network, Embedded system, Software, Port (circuit theory)