Most viewed questions under tag 5g

+2 votes

1 answer

LTE: How does two GTP entities detect link failure and what actions are taken by both entities in this case ?

posted Apr 27, 2018 by Vikram Singh

0 votes

1 answer

What is the difference between white box switches and normal switches ?

posted Feb 8, 2017 by Vikram Singh

+3 votes

0 answers

LTE: I want to understand all pros and cons of RRU/BBU architecture ?

posted Jan 26, 2017 by Vikram Singh

+2 votes

1 answer

Can UE monitor RAR in measurement Gap?

posted Sep 21, 2018 by Jaganathan

0 votes

0 answers

5G: Does the 5G core network support bearer concept as similar as LTE core network ?

posted Sep 13, 2018 by Harshita

0 votes

0 answers

How PDCP duplication works in NR?

posted Oct 30, 2019 by Himani

0 votes

0 answers

Is it mandatory that Beam failure recovery should use contention free RACH in 5G?

posted Jan 8, 2018 by Jaganathan

+1 vote

1 answer

5G: What is the role of Xn interface between next generation radio network nodes ?

posted Jan 3, 2018 by Ganesh

+2 votes

0 answers

How MAC scheduler schedules all the UE within TTI duration in 5G?

posted Nov 3, 2017 by Himani

0 votes

1 answer

How eNB gets the UE' capability of NSA NR ?

posted Dec 4, 2019 by Himani

0 votes

1 answer

What is the use of RLC mode and PDCP SN IE in SgNB addition acknowledgment message?

posted Nov 22, 2019 by Jaganathan

+2 votes

1 answer

What is redundancy version used in every Non adaptive retransmission in LTE ?

posted Dec 7, 2018 by Jaganathan

0 votes

0 answers

What is Antenna port number in each Physical channel NR?

posted Oct 15, 2020 by Poonam

0 votes

0 answers

What is the use of SP CSI-RS / CSI-IM Resource Set Activation/Deactivation MAC CE?

posted Jun 11, 2020 by Bharat Kumar

0 votes

1 answer

What possible RAT type used in configured grant assignment / SPS ?

posted Jan 29, 2020 by Rohit Verma

0 votes

0 answers

5G: How filter OFDM (F-OFDM) is different from cyclic prefix OFDM (CP-OFDM) ?

posted Mar 7, 2018 by Vikram Singh

+1 vote

1 answer

Is SDN applicable only for data plane or can it be used for the control plane also ?

posted Apr 15, 2017 by Harshita

0 votes

1 answer

How UE gets no of SYMBOL used in PDCCH of NR?

posted Nov 15, 2019 by Himani

+1 vote

1 answer

What is ka,Q,V,W bands in NR?Why this is not names in numbers?

posted Jun 18, 2020 by Himani

+2 votes

1 answer

Does UE send RI in aperiodic CSI request?

posted Sep 27, 2019 by Jaganathan

0 votes

0 answers

What is Slot aggregation in NR?

posted May 28, 2020 by Bharat Kumar

0 votes

1 answer

If we reduce TTI duration in 5G ,how MAC to PHY communication will be?

posted Nov 3, 2017 by Himani

+1 vote

0 answers

What is the Retransmission MCS index used in NR?Is that same as LTE or different?

posted Jun 18, 2020 by Himani

0 votes

1 answer

Why MCS table is different for 256QAM modulation in lte? Is there any difference?

posted Jul 1, 2020 by Himani

+1 vote

1 answer

what is the use of sched broadcast IE in Sib messgae?

posted Sep 30, 2019 by Jaganathan

0 votes

1 answer

How gNB initiates an PDCCH order incase of UL sync loss?

posted Oct 15, 2019 by Charan Shah

+1 vote

0 answers

Does TB size is same for all sub carrier spacing?

posted Jul 11, 2018 by Himani

0 votes

0 answers

Does Beam level mobility(target Beam in other cell) require UE handover ?

posted Dec 28, 2017 by Jaganathan

+2 votes

1 answer

5G: Which network node will be supporting buffering of incoming downlink data when UE is in CM-IDLE state ?

posted Feb 20, 2018 by Ganesh

0 votes

0 answers

5G: What functions unified data management (UDM) perform in the 5G core ?

posted Feb 4, 2018 by Ganesh

0 votes

0 answers

What is the use of layer indication as part of CSI report in NR?

posted Jul 31, 2020 by Dheerendra

0 votes

0 answers

What is PDSCH mapping type in NR?

posted Jul 30, 2019 by Jaganathan

0 votes

1 answer

Why there is a change in Max PLMN support in NR?What factor decides this count?

posted Jul 17, 2020 by Dheerendra

0 votes

1 answer

5G: In which scenario AMF would include only AMF UE NG-AP ID in the UE Context Release Cmd ?

posted May 25, 2020 by Vimal Kumar Mishra

+1 vote

1 answer

How UE identifies PDCCH search space for SIB1 after decoding SSB?

posted Oct 3, 2019 by Akhilesh

+1 vote

1 answer

Can Cell search space can be re-utilized for UE's control information?

posted Dec 20, 2018 by Jaganathan

+2 votes

1 answer

Is it mandatory to monitor PDCCH if cross carrier scheduling in enabled?

posted Sep 25, 2018 by Ankit Mishra

0 votes

1 answer

What is the modulation scheme is used for broadcast message?Is it fixed?

posted Sep 8, 2020 by Akhilesh

+1 vote

1 answer

What is Downlink Preemption in NR?

posted May 26, 2020 by Jaganathan

+1 vote

1 answer

Is it mandatory to initiate an RACH in Scell activation during InTra eNB CA?

posted May 18, 2020 by Jaganathan

0 votes

1 answer

What is the maximum symbol used for SSB in FR2?

posted Sep 24, 2019 by Himani

+1 vote

0 answers

TFT and QFI handing in UPF?

posted Aug 16, 2018 by Pdk

0 votes

0 answers

SSB position in 5G NR: Why SSB don’t have fixed freq. and time position in NR unlike in LTE? What is the benefit?

posted Jul 18, 2019 by anonymous

0 votes

0 answers

What is the use of SPS-CSI in 5G?

posted Dec 21, 2017 by Jaganathan

+1 vote

1 answer

How long does ENB will hold the contention free pramble in Target ENB?

posted Aug 16, 2018 by Himani

0 votes

1 answer

Can we skip one DL scheduling in configured grant?

posted Jan 6, 2020 by Himani

+1 vote

1 answer

What are all the types of DMRS used in 5G?

posted May 25, 2018 by Himani

+1 vote

0 answers

5G: Which network node will be responsible to generate charging data records (CDRs) for the data consumed by an UE ?

posted Feb 20, 2018 by Ganesh

0 votes

1 answer

What is the limitation on no of RB assigned for SPS/CG DL/UL?

posted Jan 27, 2020 by Poonam

0 votes

0 answers

5G: What is tracking area identity slice support and how many network slices can be configured for a TAI ?

posted Jul 18, 2018 by Harshita