Security in 2 . 5 G Mobile Systems

  title={Security in 2 . 5 G Mobile Systems},
  author={Christos Xenakis},
The global system for mobile communications, (GSM) is the most popular standard that implements second generation (2G) cellular systems. 2G systems combined with general packet radio services (GPRS) (3GPP TS 03.6, 2002) are often described as 2.5G, that is, a technology between the 2G and third generation (3G) of mobile systems. GPRS is a service that… CONTINUE READING