Mumbai university > Comp > SEM 8 > Mobile Communication

Marks: 4M

Year: Revised 2012

• A UMTS system consists of three major subsystems

  • User Equipment UE

• UE can be a mobile, fixed station, a data terminal etc. It includes a USIM, which contains all of user’s subscription information

  • Access Network

• Access Network includes all of the radio equipment necessary for accessing the network

  • Core Network

• Core Network includes all of the switching and routing capability for connecting to either the PSTN circuit switched calls or to be a Packet Data Network packet switched calls for mobility and subscriber location management and for authentication services