Contents

• Keywords
• Introduction
• Radio Transmission Aspects
• From Speech to Radio Waves
  • The GSM Speech Coding
  • The GSM Channel Coding
    • Error Detecting Codes
    • Convolutional Coding / Decoding
  • Interleaving / De-interleaving
  • Ciphering / Deciphering
  • Modulation / Demodulation
  • RF Power levels
• References
• About this document ...