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SI-RNTI - System Information

When the E-UTRA eNB sends broadcast messages on the BCCH it uses a SI-RNTI (System Information – Radio Network Temporary Identifier), which is set to 0xFFFF. This is used to CRC encode the broadcast messages, enabling all UEs to correctly decode/identify.


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

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