AT Command Implementation for a Multimode Wireless Device

This paper presents the concept of AT parser module frame work which is used to test the modem in a wireless device. This Paper aims at developing an AT command framework for a multimode wireless device. AT commands is 3

rd

Generation Partnership Project standardization. AT commands are supported in several mobile devices. AT commands are used to control the modem in the device. AT commands are used to provide some specific functionality like Packet Switching, Network,

Subscriber Identity Module

, Phonebook, Short Message Service etc., by sending commands and receiving through modem. The objective of this paper is to implement the AT frame work module to communicate between PC and Android java chipset of the device of a multimode wireless device. Device may be a dongle/mobile which supports AT commands. The aim of the paper is to implement the AT frame work module for some of the SMS based AT commands and General AT commands using C language. And also to implement frame works for multiple AT commands. AT command Framework is developed at Samsung India Software Operations and proprietary.