'Home location register' diaporamas de présentation

Introduction of GSM GSM Spectrum Mobile Station GSM Sub Systems NSS BSS NMS GSM Interfaces

An Overview of GSM. Introduction of GSM GSM Spectrum Mobile Station GSM Sub Systems NSS BSS NMS GSM Interfaces Channel Concepts. GSM:A brief background.

1.39k views • 89 slides

GSM Network Overview

Access Network: Base Station Subsystem. Core Network: GSM CS network. HLR. VLR. EIR. AuC. BSC. BTS. SS7. Mobile Station. MSC. PSTN. BTS. Um Abis A. GSM Network Overview. GSM Network Architecture. MS: Mobile Station BSS: Base Station Subsystem

2.01k views • 84 slides

GSM Foundation Course

819 views • 64 slides

Mobile Data Management

624 views • 48 slides

All about Wireless Communications

621 views • 48 slides

Wireless Communications

626 views • 48 slides

CELLULAR TELEPHONE NETWORK SECURITY

CELLULAR TELEPHONE NETWORK SECURITY. Ari Vesanen, ari.vesanen@oulu.fi Department of Information Processing Sciences, University of Oulu. Contents. Introduction to GSM GSM network structure and properties GSM network security model GSM network security threats GPRS vs. GSM Security

754 views • 45 slides

Security of Cellular Network s : Man-in-the Middle Attacks

745 views • 42 slides

Wireless Telecommunication Systems Lec 04

ECOM 6320. Wireless Telecommunication Systems Lec 04. 14 /03/2010. Outline. Market GSM. Mobile phone subscribers worldwide. approx. 1.7 bn. 1600. 2009: >4 bn!. 1400. 1200. GSM total. 1000. TDMA total. CDMA total. Subscribers [million]. PDC total. 800. Analogue total.

490 views • 38 slides

Introduction to Cellular Networking and Rethinking Mobile Architectures

Introduction to Cellular Networking and Rethinking Mobile Architectures. Jatinder Pal Singh EE 392I, Lecture-3 April 13 th , 2010. Agenda. Basics & Technology Evolution Architecture and Functionality (GSM, 3G and beyond) Cellular future goals Emerging trends

472 views • 31 slides

LECTURE

514 views • 31 slides

Wireless Mobile Telephony

Wireless Mobile Telephony. Dr. Arian Durresi CIS Department The Ohio State University Columbus, OH 43210 Durresi@cse.ohio-state.edu. http://www.cse.ohio-state.edu/~durresi/. Overview. Why wireless mobile telephony ? First Generation, Analog technologies Second Generation, Digital :

477 views • 30 slides

On Attack Causality in Internet-Connected Cellular Networks

444 views • 30 slides

SMS & MMS

SMS & MMS. Justin Champion C208 Ext:3723 www.staffs.ac.uk/personal/engineering_and_technology/jjc1. SMS & MMS. Contents What is SMS How it Works Infrastructure Required What is MMS Infrastructure Required. SMS & MMS. Short Messaging Service (SMS) Also known as Simple Message Service

684 views • 26 slides

GSM Global System for Mobile Communications

479 views • 25 slides

TEL 355: Communication and Information Systems in Organizations

TEL 355: Communication and Information Systems in Organizations. Global System for Mobile Communication (GSM) Professor John F. Clark. Evolution of Cellular Telephony. The concept: use of low-power transmitters so that frequencies can be reused within a geographic area

334 views • 19 slides

HLRmon accounting portal

A. Cristofori 1 , E. Fattibene 1 , L. Gaido 2 , P. Veronesi 1 INFN-CNAF Bologna (Italy) 1 , INFN-Torino Torino (Italy) 2 hlrmon-lists@to.infn.it - https://dgas.cnaf.infn.it/hlrmon/. HLRmon accounting portal. The accounting layout. Architecture. Collectors retrieve:

117 views • 1 slides