'Gsm system' diaporamas de présentation

Mobile Communications Chapter 4: Wireless Telecommunication Systems

Mobile Communications Chapter 4: Wireless Telecommunication Systems. Market GSM Overview Services Sub-systems Components. DECT TETRA UMTS/IMT-2000. Mobile phone subscribers worldwide. approx. 1.7 bn. 1600. 1400. 1200. GSM total. 1000. TDMA total. CDMA total.

1.77k views • 98 slides

Mobile Communications Chapter 4: Wireless Telecommunication Systems

Mobile Communications Chapter 4: Wireless Telecommunication Systems. Market GSM Overview Services Sub-systems Components. DECT TETRA UMTS/IMT-2000. Mobile phone subscribers worldwide. 1200. 1000. GSM total. 800. TDMA total. CDMA total. 600. PDC total.

1.69k views • 91 slides

GSM Foundation Course

819 views • 64 slides

Cellular Networks

Cellular Networks. 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 Band of frequencies allocated

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GSM TOWARDS LTE NETWORKS

GSM TOWARDS LTE NETWORKS. Lecture # 2. CELLULAR GENERATIONS. First Generation Wireless : Analog Second Generation Wireless (2G): Digital Second Generation Wireless + (2G+): More Data Third Generation Wireless (3G): Universal Global Wireless Voice and Data System Worldwide Effort Toward 3G

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UNIT - 3

UNIT - 3. GSM, GPRS & UMTS. GLOBAL SYSTEM FOR MOBILE ( GSM ). The GSM is the standard for 2G pan. It is the most successful digital mobile telecommunication system in the world today. It is a special second generation (2G) system, replacing the first generation (1G) analog system.

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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

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GSM Mobile Security

GSM Mobile Security. Prepared by: Leen F. Arikat. Introduction. With GSM, systems for mobile communication reached a global scale. In the western world, it seems everyone has their own mobile phone, and GSM has taken more and more of the market.

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AMSCO Ltd PRESENTS

AMSCO Ltd PRESENTS. THE XAOS GAMMA ENCRYPTING PHONE THE ANSWER FOR SECURE COMMUNICATION. ?Amsco Limited all rights reserved 2011. Did you know that smartphones are being hacked into?. Spyware, malware and multiple variants of Android viruses are making their way onto smartphones!

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Basics of Wireless Networks – Ch. 2 (pp 6-14)

Basics of Wireless Networks – Ch. 2 (pp 6-14). ENTC 455: Wireless Transmission Systems Ana Goulart Assistant Professor Texas A&M University. Existing Wireless Technologies (p.6. Mobile Networks Originator and/or Recipient are in motion Fixed Wireless Networks

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BY, ARITRA GAUTAM (05-275) & G.PAVANI (05-272).

BY, ARITRA GAUTAM (05-275) & G.PAVANI (05-272). OVERVIEW OF GSM. GSM (group special mobile or general system for mobile communications) is the Pan-European standard for digital cellular communications. GSM provides enhanced features over older analog-based systems: Total Mobility

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Mobile Device

Mobile Device. Miles tones of GSM Development. 1982 : Foundation of Group Special Mobile within CEPT (Conference of European Postal and Telecommunication Administrations) 1991 : Fist GSM-Network start operation / GSM1800 1994 : 69 GSM Network operating in 43 countries.

318 views • 16 slides

Mobile Computing

Gujarat Power Engineering and Research Institute. Mobile Computing. Prof. Maulik Patel CED, GPERI. Mobile Technologies. Global System for Mobile Communication-GSM. GSM today covers 71% of all the digital wireless market .

381 views • 15 slides