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RAR - Random Access Response

This is used by the E-UTRA MAC layer. It contains the TA (Timing Alignment) information, initial UL grant and assignment of a Temporary C-RNTI to the UE associated with the RAPID (Random Access Preamble Identifier).


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

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