Remote Control Via GSM Network

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Remote Control Via GSM Network

• Presented BY-
• Suleiman Altawarah

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Remote Control Via GSM Network

• Overview
• Aim of project.
• Digital Wireless Telephony.
• Architecture of GSM.
• Project Components.
• Implementation and Experimental.
• Achievements.
• Conclusion.

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Aim of project

• The main aim of the project is to implement an
  interfacing system to remotely control electrical
  appliances using the GSM network.
• Using the system one can remotely switch on or
  off electrical machine using mobile phone.

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• Figure below shows a functional block diagram of
  the system

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Digital Wireless Telephony Technologies

• Time Division Multiple Accesses (TDMA).
• Code Division Multiple Accesses (CDMA).
• Global System for Mobiles) GSM(.

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Digital Wireless Technologies
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History of the GSM

• Mobile cellular systems introduced for commercial
  use in the 1980s.
• In the beginnings of cellular systems, each
  country developed its own system, and so   
• - The equipment was limited to operate only
  within the boundaries of each country.
• - The market was also limited.
• To overcome these limitations, the Global System
  for Mobile communications (GSM) became in 1982.

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Specifications of GSM

• Spectrum efficiency voice quality.
• International roaming.
• Low mobile and base stations costs.
• Compatibility with other systems (ISDN / PSTN
  ..etc.).
• Ability to support new value added services.

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GSM Radio Interface

• Two frequency bands, of 25 Mhz for the GSM
  system
• The band 890-915 Mhz for the uplink
• The band 935-960 Mhz for the downlink

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Architecture of the GSM network
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HLR
Basic GSM Nodes
AUC
Radio Interface
PSTN
GW Of another network
PABX
Another MSC
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GSM System Blocks

• Mobile Station ( MS ).
• Base Station Subsystem ( BSS ).
• Network Switching Subsystem ( NSS ).
• Operation and Maintenance Subsystem ( OMS ).

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The Mobile Station (MS)

The Mobile Equipment is said to be a Mobile
Station if the Subscriber Identity Module ( SIM
Card ) is added to it.

The SIM Card contains A processor and a
memory. that stores - The international mobile
subscriber Identity IMSI. - The Authentication
and ciphering keys.
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Base Station Subsystem ( BSS ).

• Base Transceiver Station ( BTS )
• Base Station Controller ( BSC )
• Transcoder and Rate Adaptation Unit( TRAU ).

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Network Switching Subsystem (NSS)

• Mobile Switching Center (MSC) .
• Data Base Equipments
• Home Location Register (HLR)
• Visitor Location Register (VLR)
• Equipment Identity Register(EIR)
• Authentication Center (AUC)

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GSM interfaces

• 1. Um interface.
• 2. A interface.
• 3. A bis interface.
• 4. Map (Mobile Application Part).

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Interfaces
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Project Component
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Voice Modem

• Modems classified with these characteristics
• Data/fax
• Data/fax/voice
• Data/fax/voice/speakerphone
• Voice Modemcapable of supporting voice functions
  provided by Telephone

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KDTele Tools

• Component allows the software to pick-up and
  answer incoming calls automatically

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Parallel port

• . Used to connect printers to computer.
• . Used in computer to controlled devices.

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Positive Emitter Coupled Logic (PECL).

• PECL is an ultra-high speed digital logic
  technology and is based on a differential
  amplifier.
• - Small signal swings switching.

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Positive Emitter Coupled Logic (PECL).
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Implementation and Experimental

• Project block diagram.

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Implementation and Experimental

• Step 1 Programming.
• Interactive Voice Response System(IVRS).
• - IVRS allows users to activate software through
  telephone keys.
• - KDTele.

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Implementation and Experimental

• Procedures
• Setting up the environment.
• Downloading the component.
• Downloading the (.DLL) file.
• Adding the component to visual basic.
• Recording the messages.
• Writing the entire program.
• Save run.

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Implementation and Experimental

• Step 2. (PECL) Design.

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Implementation and Experimental
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Implementation and Experimental Results

• Hand Calculation.

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Implementation and Experimental Results

• Hand Calculation.

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Simulation results.
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Simulation results.
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Simulation results.
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Simulation results.
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Simulation results.
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Simulation results.
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Simulation results.
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Implementation and Experimental
Comparison Table
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Simulation results.
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Simulation results.
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Simulation results.
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Achievements

• Through out the course work of the project I have
  done the following
• I have studied different related subject to the
  project which enhances my knowledge.
• My aimed was to implement it completely, but I
  have tested every suction, individually either by
  hardware implementation, or simulation by using
  accusim software.

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Conclusion

• GSM network provide mobile phone system that
  allows roaming of users through the world , with
  no distance limitation, users can control their
  installation from over the world via the mobile
  telephone.
• The propose of this system is very useful and it
  has different applications which make human life
  easier.
• Finally, my benefit of the project is grate and I
  meet the aims of the project.

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Thank You For your time
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Questions ?