Tuesday, November 3, 2009

eNB Functionalities

  • Functions for Radio Resource Management: Radio Bearer Control, Radio Admission Control, Connection Mobility Control, Dynamic allocation of resources to UEs in both uplink and downlink (scheduling);
  • IP header compression and encryption of user data stream;
  • Selection of an MME at UE attachment when no routing to an MME can be determined from the information provided by the UE;
  • Routing of User Plane data towards Serving Gateway;
  • Scheduling and transmission of paging messages (originated from the MME);
  • Scheduling and transmission of broadcast information (originated from the MME or O&M);
  • Measurement and measurement reporting configuration for mobility and scheduling;
  • Scheduling and transmission of PWS (which includes ETWS and CMAS) messages (originated from the MME).

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