Node-B - Node B

A Node B is a UMTS base station, relaying radio resource control and user plane information between the mobile and the network. Serving one or more cells, the Node B is controlled by an RNC (Radio Network Controller) as part of a UMTS RNS (Radio Network System).


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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