GPRS的介绍-345页PPT

dorain_wang

【文件名】:081218@52RD_GPRS_Internal.ppt
【格　式】:ppt
【大　小】:3131K
【简　介】:
【目　录】:




CONTENTS
1 Introduction to GPRS
1.1 Overview of GPRS
1.1.1 What is GPRS
1.1.2 Important principles
1.1.3 Throughput Rate
1.1.4 Applications and Services of GPRS
1.2 Architecture of GPRS Network
1.2.1 GSM Architecture
1.3.3 types of Logical Channel
1.3.4 52-multi-Frame
1.4 Generic GPRS Concepts

td_scdma_3g

正想了解一下GPRS,楼主真及时啊，3X

machi79

买！顶！

mwo1974

1 Introduction to GPRS
1.1 Overview of GPRS
1.1.1 What is GPRS
GPRS or General Packet Radio Service is a hardware and software expansion of the existing GSM standard providing packet-switched data services to mobile subscribers. It is mainly the internet protocol (IP) which is supported but X.25, which is predominantly used in the European market, is also supported.The existing and heavily used circuit-switched services of GSM will not be affected but improved by this upgrade..........

7436209

英文的。。。看着好累呀，，

hagelee

下来看看，！！！！！