ABSTRACT
With the fast popularization and the easily fierce competition of the mobile communication network in the global mobile communication system, the development and application of new technology and new business are universally been paid more and more attentions by people. As a fundamental business of the GSM network, SMS services business has been paid more and more attention by the system operators and developers. And the applications based on this business are developed thriving.
This graduation design mainly discussed the component of SCM SMS transceiver system and the interfaces of the SCM and cell phone communication module TC 35, and also learned the TC35 AT Short Message Control Directive. Issues involving SMS transceiver system mainly consists of wireless communication module TC35 and the SCM AT89C51, and were completed in the experimental box structures KHF-4. Through the SCM programming, the software control system done the establishment of the communications through AT commands and TC35, then meet the functions of short message transceivers.
Key words ：AT command,AT89C51,Communication module TC35,GSM
