5G NR Layer 3- RRC Interview Question

5G, Interviews

In this post we will list the Interview Question for 5G NR on Layer 3 which includes RRC, NGAP, XnAP etc.

  • 5G Cell Search – Synchronization Raster and Channel Raster?
  • What is the content of MIB in 5G?
  • What do you understand by RMSI and OSI w.r.t. System information in 5G?
  • What is the content of SIB#1 in 5G?
  • What is SI-RNTI number?
  • What is the difference between 5G SIB#1 and 4G SIB#1
  • What is use of MIB IE “pdcch-ConfigSIB1” ?
  • Explain ControlResourceSetZero & SearchSpaceZero ?
  • List the all available SIB in 5G?
  • What is pointA. How UE find out pointA Frequency and SSB Center Frequency?
  • What is kSSB, how it is used?
  • What is SubcarrierSpcaingCommon?
  • Which RRC message containg BWP information?
  • What is Unified access control?
  • Explain Signaling Radio Bearers (SRBs) w.r.t. 5G?
  • Which SRB has highest and least priority?
  • Which RLC mode is used for SRBs?
  • How Network and Radio Capabilites is transferred in 5G to NG-RAN and 5GC?
  • How many states are defined for RRC?
  • What is the role of RRC layer in Carrier Aggregation (CA) ?
  • List the alrogrithms used for 5G RRC and NAS chipering and integrity?
  • How UE finds channel B/W when no IE available in 5G MIB?
  • What is Paging RNTI (P-RNTI) number?
  • Explain about Paging in 5G?
  • What all the channel involved in Paging Flow? Explain form Top to Bottom
  • What is MeasObject, ReportConfig and MeasID?
  • How MeasObject, ReportConfig and MeasID are related?
  • What the all measurement event available in 5G?
  • What is the use of A1, A2 and A3 Event?
  • What do you understand from Offset and threshold w.r.t. measurement events?
  • Explain Handover? what are the different types of HO defined for 5G based on Interfaces?
  • Explain XnAP Handover Call Flow?
  • Explain N2 or NGAP Handover?
  • Where XnAP handover is used and where NGAP handover is used?
  • What in N26 Interface and what its significance w.r.t. 5G?
  • Explain 5G SA Registration Call Flow?
  • How 5G can support Voice Service?
  • What is VoNR and Explain the Call flow?
  • What is RoHC and how it used for VoNR?
  • What 5QI does not use RoHC w.r.t. VoNR?
  • What the different types of RoHC profile define and which one applicable for VoNR?

Related Posts