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SENDING & RECEIVING SMS VIA GSM TECHNOLOGY

This project focuses on the design of an embedded system capable of sending and receiving SMS through GSM technology. By utilizing a GSM modem and AT (Attention) commands, communication between the embedded system and mobile devices is achieved. The project aims to enhance skills in GSM application development, emphasizing the latest communication techniques. The system consists of components like the ATMEGA 16L microcontroller, a crystal oscillator, GSM modem, and an LCD display. Future enhancements include sending multiple messages simultaneously for improved functionality.

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SENDING & RECEIVING SMS VIA GSM TECHNOLOGY

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  1. SENDING & RECEIVING SMS VIAGSM TECHNOLOGY By - Vivek Dhiman (06403) Nipun Mahajan (06413) Ketav Sharma (06448) MENTORS : Dr. (Mrs.) Rajeevan Chandel Mrs. Meenakshi Sood

  2. ABSTRACT • The project involves the design of a embedded system that can be used to send & receive SMS through GSM technology. Usage of this technology accomplishes communication between the embedded system and mobile phone. The vital aspect involves the usage of a GSM modem by means of AT (Attention) commands.

  3. MOTIVATION & OBJECTIVE • To utilize our skills towards design and development of applications related to GSM technology • GSM is the latest technique used for communication between the mobile and the embedded devices. • The objective of the project is to send and receive SMS by means of a GSM Modem

  4. WHY GSM TECHNOLOGY ? • Global System for Mobile • Popular standard for mobile phones • 2G mobile phone system • Operation bands - 900 MHz or 1800 MHz • Key feature – Subscriber Identity Module (SIM)

  5. SMS SENDING KEYPAD ANTENNA GS M MODEM MICRO CONTROLLER GSM MODEM

  6. SMS RECEIVING ANTENNA GSM MODEM LCD DISPLAY MICRO CONTROLLER

  7. COMPONENTS USED • Microcontroller - ATMEGA 16L • Crystal Oscillator - 8 MHz • RS 232 - Serial Communication • GSM Modem - Communication • LCD - Display SOFTWARES USED Kiel C & AVR Studio 4

  8. RS 232 • A "Space" (logic 0) between +3 and +25 Volts. • A "Mark" (Logic 1) between -3 and -25 Volts. • Open circuit voltage – less then 25v

  9. MICROCONTROLLER • ATMEGA 16L • 16K Bytes of In-System Self programmable Flash program memory • 512 Bytes EEPROM • 1K Byte Internal SRAM • 32 Programmable I/O Lines

  10. GSM MODEM • FEATURES • Tri band GSM Modem • Built in TCP/IP Protocol • AT Command Based • Designed for GPRS, SMS ,Voice Applications.

  11. INTERFACES OF GSM MODEM • RS-232 with D type 9 pin connector • GSM/GPRS antenna • Power supply • AC / DC power adapter • Input ac voltage – 230v • Output dc voltage – 12v • Flag opening type SIM holder

  12. FUTURE ENHANCEMENT • Addition of different designs in text message. • Sending of 5-10 messages at a particular time.

  13. REFERENCES [1] M. AL-Rousan, A. R. AI-Ali and K. Darwish, “GSM-Based Mobile Tele-Monitoring and Management System for Inter-Cities Public Transportations,” IEEE Int. Conf. on Industrial Technology (ICIT) , 2004, pp. 859-862. [2] S.Vogioukas,M.Roumeliotis, “A system for basic level network fault management based on GSM short message service”, IEEE international conf on communication, 2001.

  14. [3] M.Sarram, M.Ghasemzadeh & V.Aghaei, “Remote control & overall administration of computer networks using SMS”, ICTTA 2008. [4] Rashid & Rashid , “8051 microcontroller”, PHI, 2005. [5] Arnaud henry & Labordere vincent jonack, “SMS & MMS interworking in mobille networks”, Artech House, 2004.

  15. Thank You

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