Coding, Authentication and Ciphering
Jörg Eberspächer, Hans-Jörg Vögel, Christian Bettstetter · 2001
Chapter 6 covers GSM source and channel coding as well as security-related mechanisms (authentication and ciphering). This includes: source coding and speech processing: Speech functions at the transmitter and receiver, voice activity detection, GSM speech coder and decoder, RPE-LTP, speech quality channel coding: stages of channel coding, block coding, convolutional coding, interleaving mapping onto the burst plane security-related network functions and encryption: protection of subscriber identity, authentication, generation of security data, encryption