Most answered questions under tag 5g

+2 votes

4 answers

Why variable sub carrier spacing is introduced in 5G NR?

posted Aug 18, 2017 by Jaganathan

+1 vote

3 answers

What will be the MSG3 if RACH triggered to get an UL grant alone?

posted May 21, 2019 by Jaganathan

+1 vote

3 answers

Can UE reject the HO command received in RRC reconfiguration?

posted Aug 10, 2018 by Jaganathan

+2 votes

3 answers

5G: Why control and user plane separation is required ? And how it is going to bring better user experience ?

posted Mar 21, 2018 by Harshita

+1 vote

3 answers

How many no of preambles available for RACH in 5G NR cell?

posted Aug 2, 2017 by Jaganathan

0 votes

2 answers

How to release Scell implicitly?

posted May 19, 2020 by Poonam

+1 vote

2 answers

How long UE can hold to send Reestablishment request ?

posted May 11, 2020 by Jaganathan

+1 vote

2 answers

What is the UE behavior if SR Rach is fails?

posted May 4, 2020 by Sakshi Rai

+1 vote

2 answers

Does UE supports 256QAM in UL? How eNB gets this capability?

posted Apr 20, 2020 by Dheerendra

0 votes

2 answers

what is the advantage of dual connectivity over CA?

posted Dec 16, 2019 by Jaganathan

0 votes

2 answers

What is the use of PUCCH format 3 in LTE?

posted Sep 5, 2019 by Ankit Mishra

0 votes

2 answers

How UE gets the SSB configuration in NR?

posted Aug 27, 2019 by Poonam

0 votes

2 answers

What is the use of SLIV configuration in NR?

posted Jul 31, 2019 by Jaganathan

+1 vote

2 answers

How UE distinguished from SIB modification paging to which SIB modified?

posted Jun 20, 2019 by Sakshi Rai

0 votes

2 answers

How do we get MIB modification notification?

posted Jun 12, 2019 by Ankit Mishra

+1 vote

2 answers

HO: If target ENB is not serviced by source MME then How source MME sends HO request?

posted May 24, 2019 by Bharat Kumar

+1 vote

2 answers

What is the RACH PRB size for the NR cell ?Is it same as LTE?Is so what is the sub carrier spacing?

posted Mar 13, 2019 by Himani

0 votes

2 answers

What will be the MSG3 in TAU initiated contention based RACH in LTE?

posted Aug 7, 2018 by Ankit Mishra

+1 vote

2 answers

How Many times RACH will be re-triggered if RACH fails in UE?

posted Jul 18, 2018 by Rohit Verma

+1 vote

2 answers

If RACH trigger is made for SR max re transmission will UE sends MSG3 or not ?

posted Jul 17, 2018 by Rohit Verma

+1 vote

2 answers

Does 256QAM applicable for Sub 6Ghz?

posted Jul 10, 2018 by Bharat Kumar

+1 vote

2 answers

Will UE transmit SRS for Whole bandwidth or particular BWP?

posted Jun 12, 2018 by Jaganathan

+1 vote

2 answers

Does ENB uses different SS for each channel or is it fixed for all the channel in NR?

posted May 29, 2018 by Dheerendra

+1 vote

2 answers

Is there any possiblities of receiving DL data without any UL communication?

posted May 2, 2018 by Charan Shah

+1 vote

2 answers

How does UE finds CP length in TDD?

posted Apr 17, 2018 by Jaganathan

+1 vote

2 answers

Does SI request RACH happens using contention free or contention based in NR?

posted Mar 7, 2018 by Jaganathan

0 votes

2 answers

5G: Is it necessary to support LTE interfaces at next generation core network (NGCN) ?

posted Mar 7, 2018 by Vikram Singh

0 votes

2 answers

Does frequency hopping supported in NR?

posted Feb 26, 2018 by Jaganathan

+3 votes

2 answers

5G: What is the use of signalling radio bearer 3 (SRB3) and when it is established ?

posted Feb 22, 2018 by Harshita

0 votes

2 answers

5G: What is beam forming and how it is better than LTE radio access mechanism ?

posted Jan 9, 2018 by Harshita

+1 vote

2 answers

5G: Does 5G support carrier aggregation ?

posted Jan 4, 2018 by Harshita

0 votes

2 answers

5G: What is the difference between gNB and ng-eNB in terms of functionality ?

posted Jan 1, 2018 by Harshita

+4 votes

2 answers

LTE, 5G: What all can be achieved by segregating control and user plane from LTE SGW and PGW nodes ?

posted Jan 12, 2017 by Harshita

0 votes

1 answer

What does RLC Receiver entity should do if it receives VT_A greater than VT_S?

posted Oct 27, 2020 by Ankit Mishra

0 votes

1 answer

What are all the scenario UE u=initiates an RLF with cause Max ReTransmission?

posted Sep 18, 2020 by Bharat Kumar

0 votes

1 answer

How may CA users can be configured with form 1B PUCCH selection?

posted Sep 15, 2020 by Jaganathan

0 votes

1 answer

How many RB's reserved for Broadcast messages like SIB,paging etc?

posted Sep 8, 2020 by Akhilesh

0 votes

1 answer

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

posted Sep 8, 2020 by Akhilesh

0 votes

1 answer

What will be the CRM message if UE intitited rach for TA expiry?

posted Sep 7, 2020 by Akhilesh

0 votes

1 answer

How many different Format1B HARQ resources are available?

posted Aug 30, 2020 by Jaganathan

0 votes

1 answer

What is the use of TPC field in Carrier aggregation which has only PCELL UL?

posted Aug 30, 2020 by Jaganathan

0 votes

1 answer

What if eNB sends grants on SPS RNTI after UE sends MAC CRNTI CE in MSG3?

posted Aug 14, 2020 by Jaganathan

–1 vote

1 answer

Does MU-MIMO is applicable in NR? Which TM mode is used for this?

posted Aug 10, 2020 by Karan Patel

+1 vote

1 answer

What is the need for horizontal Beam forming over Vertical Beam forming?

posted Aug 7, 2020 by Karan Patel

0 votes

1 answer

What is the difference betwee FD-MIMO and MIMO?

posted Aug 7, 2020 by Karan Patel

0 votes

1 answer

How Long UE can stay in DRX On after sending SR request ?

posted Aug 5, 2020 by Sakshi Rai

0 votes

1 answer

Does eNB sends configured grant to both NUL and SUL?

posted Jul 23, 2020 by Himani

0 votes

1 answer

Does timing advance is applicable for SRS?

posted Jul 20, 2020 by Himani

0 votes

1 answer

How Receiver HARQ comes to know the HARQ flexible response time?

posted Jul 20, 2020 by Himani

0 votes

1 answer

How long UE can Hold the UL HARQ Buffer?

posted Jul 20, 2020 by Jaganathan