* gsm protocol intro as far as needed
* distinction smartphone / featurephone
  * feature phones
    * single processor (BP) for gsm stack + UI
  * smartphones
    * dual processor (AP / BP)
    * baseband processor like in feature phone
    * additional application processor for OS/UI
    * PDA + phone in a box
    * different interconnects

* closer look at baseband chipset architecture
  * DBB (MCU+DSP)
    * integrated peripherals
     * GSM TDMA timer / interrupt
     * A5 ciphering unit
     * GEA ciphering unit
     * low power timers / RTC crystal calibration for power saving
  * synchronous clock architecture
    * AFC / VCTCXO
  * ABB
  * RF Frontend
    * VCO + PLL + mixer
    * RF PA
    * Antenna switch (MEMS or diode)
    * integrated frontend modules

* introduction to GSM software architecture
  * layer 1
    * synchronous part
    * asynchronous part
  * layer 2
  * layer 3
  * telephony API
  * actual UI
  * AT command parser or related

* misc
  * gprs
  * edge
  * 3g
  * multi-sim
  * more powerful feature phones


* glossary 
* references