'Mobile switching center' diaporamas de présentation

More on Cellular Telephony

More on Cellular Telephony LUCID Summer Workshop July 28, 2004 Overview of Last Time We introduced the cellular concept. Geographic area is broken into smaller cell. Cell phone users in each cell communicate with base station, which has a high antenna tower.

1.19k views • 80 slides

More on Cellular Telephony

More on Cellular Telephony. LUCID Summer Workshop July 28, 2004. Overview of Last Time. We introduced the cellular concept. Geographic area is broken into smaller cell. Cell phone users in each cell communicate with base station, which has a high antenna tower.

922 views • 80 slides

Modeling and Dimensioning of Mobile Networks: from GSM to LTE

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Communication Systems 10 th lecture

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Remote Control Via GSM Network

Remote Control Via GSM Network Presented BY:- Suleiman Altawarah Remote Control Via GSM Network Overview: Aim of project. Digital Wireless Telephony. Architecture of GSM. Project Components. Implementation and Experimental. Achievements. Conclusion. Aim of project

920 views • 46 slides

CMPE 80N Winter 2004 Lecture 5

CMPE 80N Winter 2004 Lecture 5. Introduction to Networks and the Internet. Announcements. First quiz on Friday, 01.16. Covers material up to and including 01.14. Closed books, notes, etc. Data Transmission . Analog and digital transmission.

595 views • 45 slides

GSM Protocol Architecture

GSM Protocol Architecture . Shariful Hasan Shaikot Graduate Student Computer Science Department Oklahoma State University. Outline. What is GSM? Nomenclature GSM Protocol Architecture Overview of Interfaces GSM Protocol Stack Overview of Layer-I Overview of Layer-II

3.83k views • 44 slides

GSM Protocol Architecture

GSM Protocol Architecture . Shariful Hasan Shaikot Graduate Student Computer Science Department Oklahoma State University. Outline. What is GSM? Nomenclature GSM Protocol Architecture Overview of Interfaces GSM Protocol Stack Overview of Layer-I Overview of Layer-II

1.54k views • 44 slides

Cellular Wireless Networks

Cellular Wireless Networks. Chapter 10 Slides by William Stallings. Cellular Network Organization. Use multiple low-power transmitters (100 W or less) Areas divided into cells Each served by its own antenna Served by base station consisting of transmitter, receiver, and control unit

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LAN & MAC (Medium Access Control) protocols

LAN & MAC (Medium Access Control) protocols. Two basic types of networks: Switched networks: transmission lines, multiplexers, and switches; routing, hierarchical address for scalability.

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GSM Security Overview (Part 2)

GSM Security Overview (Part 2). Max Stepanov. Agenda. GSM Security Objectives Concerns, Goals, Requirements GSM Security Mechanisms SIM Anatomy Algorithms and Attacks COMP128 Partitioning Attack on COMP128 ( J. Rao, P. Rohantgi, H. Scherzer, S. Tunguely ). GSM Security Concerns.

791 views • 38 slides

Wireless Communications

Wireless Communications. T.S. Rappaport Wireless Communications Principles and Practice,2 nd Edition. For mobility provided to the subscriber, a system should have the following parts. (1) Central Station: This contains the switching equipment and one RF transmitter and receiver.

804 views • 37 slides

Wireless WANs C hapter 16

Wireless WANs C hapter 16. Cellular Telephony. Designed to provide communication between two mobile (moving) units, called mobile stations (MSs), or between one mobile unit and one stationary unit, often called a land unit.

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Mobile Communications 2 nd Generation

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Presented by-

A SEMINAR ON 2G & 3G. Presented by- VAIBHAV SHARMA

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CHAPTER 6: WIRELESS & MOBILE NETWORKS

CHAPTER 6: WIRELESS & MOBILE NETWORKS. Code Division Multiple Access Spread Spectrum Cellular Telephones 4G Technology IEEE 802.11 Mobile IP Wireless Security Satellite Networks. CODE DIVISION MULTIPLE ACCESS.

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ENTC 455

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Wireless Communications Using RATs

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Lucent Bell Labs in China -- An account of personal experience

Lucent Bell Labs in China -- An account of personal experience. Lucent & Bell Labs Bell Labs in China LT R&D Center in Nanjing Challenges. Dr. Ho, Jenlie ( ??? ??) General Manager Lucent Technologies Nanjing jentto@lucent.com. About Myself. Bell labs 1982 MTS, Technical Manager

645 views • 15 slides