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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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remote control via gsm network

Remote Control Via GSM Network

Presented BY:-

Suleiman Altawarah

remote control via gsm network2
Remote Control Via GSM Network


  • Aim of project.
  • Digital Wireless Telephony.
  • Architecture of GSM.
  • Project Components.
  • Implementation and Experimental.
  • Achievements.
  • Conclusion.
aim of project
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.
digital wireless telephony technologies
Digital Wireless Telephony Technologies
  • Time Division Multiple Accesses (TDMA).
  • Code Division Multiple Accesses (CDMA).
  • Global System for Mobiles) GSM(.
history of the gsm
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.

specifications of gsm
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.
gsm radio interface
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




Other Switching Nodes



Basic GSM Nodes


Radio Interface


GW Of another network


Another MSC

gsm system blocks
GSM System Blocks
  • Mobile Station ( MS ).
  • Base Station Subsystem ( BSS ).
  • Network Switching Subsystem ( NSS ).
  • Operation and Maintenance Subsystem ( OMS ).

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.

base station subsystem bss
Base Station Subsystem ( BSS ).
  • Base Transceiver Station ( BTS )
  • Base Station Controller ( BSC )
  • Transcoder and Rate Adaptation Unit( TRAU ).
network switching subsystem nss
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)

gsm interfaces
GSM interfaces
  • 1. Um interface.
  • 2. A interface.
  • 3. A bis interface.
  • 4. Map (Mobile Application Part).
voice modem
Voice Modem

Modems classified with these characteristics:

  • Data/fax
  • Data/fax/voice
  • Data/fax/voice/speakerphone

Voice Modem:capable of supporting voice functions provided by Telephone

kdtele tools
KDTele Tools
  • Component allows the software to pick-up and answer incoming calls automatically
parallel port
Parallel port

. Used to connect printers to computer.

. Used in computer to controlled devices.

positive emitter coupled logic pecl
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.

implementation and experimental
Implementation and Experimental

Project block diagram.

implementation and experimental26
Implementation and Experimental

Step #1 Programming.

Interactive Voice Response System(IVRS).

- IVRS: allows users to activate software through telephone keys.

- KDTele.

implementation and experimental27
Implementation and Experimental


  • 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.
implementation and experimental28
Implementation and Experimental

Step #2. (PECL) Design.


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.
  • 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.