AN INTERNET-BASED INTERACTIVE EMBEDDED DATA- 
ACQUISITION SYSTEM FOR REAL-TIME APPLICATIONS  

March 2009  

In this paper, we present the principles of a low -operational-cost but flexible Internet-based  data-acquisition  system.  The  main  core  of  the  system  is  an embedded hardware running a scaled-down version of Linux: a popular choice of operating system for embedded applications.  

The  embedded  device  communicates  through  general  packet  radio  service (GPRS), which makes it accessible from anywhere in  the world through a Web server   built   into   the   embedded   device.   In   addition,   GPRS   provides   a bidirectional real-time data transfer allowing interaction.  

The   proposed   system   eliminates   the   need   for   server   software   and maintenance.  A  novel  approach  is  introduced  to  minimize  the  operational costs while operating with a large amount of data.  

The   system   is   demonstrated   to   be   suitable   for   different   embedded applications  by  attaching  several  real-time  modules  through  appropriate interfaces.  

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