Most viewed questions under tag mac

+4 votes

2 answers

LTE: Difference between closed loop MIMO and open loop MIMO ?

posted Nov 5, 2013 by Ganesh Kumar

+7 votes

0 answers

Can anyone elaborate about Proportional fair scheduler for LTE?

posted Nov 19, 2013 by Shekhar P

0 votes

1 answer

LTE: Why LTE defined logical channel group (LCG) for the logical channels establish for an UE ?

posted Sep 19, 2016 by Ganesh Kumar

+4 votes

2 answers

LTE: What is the basic difference Resource Allocation type 0 and 1 ?

posted Oct 31, 2013 by Neeraj Mishra

+1 vote

1 answer

What is Supplementary Uplink in 5G ?

posted Nov 24, 2017 by Jaganathan

+1 vote

2 answers

LTE: What does the use of SR-periodicity while handing Scheduling request ?

posted Mar 29, 2014 by Vimal Kumar Mishra

+1 vote

2 answers

LTE: Why padding is required in MAC layer.

posted Mar 24, 2017 by Rohit Verma

0 votes

1 answer

What is bucket size duration in LTE?

posted Apr 17, 2017 by Ankit Mishra

+1 vote

1 answer

Difference between short BSR, long BSR and truncated BSR ?

posted Mar 19, 2015 by Alok

+3 votes

1 answer

What is the relation between primary, secondary and serving cells LTE?

posted Oct 5, 2013 by Vimal Kumar Mishra

+6 votes

1 answer

LTE:What is the smallest unit the scheduler can allocate? What is the name of that unit?

posted Oct 30, 2013 by Ganesh Kumar

0 votes

1 answer

LTE: What is the difference between buffer status reporting and scheduling request ?

posted Sep 19, 2016 by Ganesh Kumar

+7 votes

3 answers

LTE: Difference between Adaptive and non-adaptive HARQ ?

posted Dec 6, 2013 by Vimal Kumar Mishra

+6 votes

1 answer

LTE: Difference between virtual and physical resource allocation schemes ?

posted Oct 31, 2013 by Neeraj Mishra

0 votes

1 answer

What is maximum power reduction in LTE?

posted Jun 27, 2018 by Jaganathan

+3 votes

1 answer

What is meaning of PHICH Config present in MIB ??

posted Feb 27, 2014 by Amit Sharma

0 votes

1 answer

LTE MAC : What is the use of "TPC-PUCCH-RNTI, TPC-PUSCH-RNTI" identifiers ?

posted May 25, 2014 by Neeraj Mishra

+2 votes

1 answer

LTE: How HARQ with soft combining works ?

posted Nov 8, 2013 by Ganesh Kumar

+1 vote

1 answer

What is the use of I-RNTI in 5G?

posted Jan 1, 2018 by Jaganathan

+1 vote

1 answer

LTE: What does the significance of "sr-ProhibitTimer" ?

posted Mar 29, 2014 by Vimal Kumar Mishra

+1 vote

1 answer

What is TCI state in UE MAC CE?

posted Oct 30, 2018 by Himani

+4 votes

2 answers

LTE: What is the mean of suspending and resuming bearers ?

posted Nov 13, 2013 by Ganesh Kumar

+1 vote

1 answer

LTE: What are all parameters considered by an eNodeB while giving UL grant for an UE ?

posted May 27, 2014 by Vimal Kumar Mishra

+4 votes

2 answers

What is logical channel prioritization and how does it work ?

posted Mar 22, 2015 by Harshita

0 votes

1 answer

What is padding BSR and why it is needed?

posted Aug 3, 2017 by Dheerendra

+7 votes

1 answer

LTE: Difference between synchronous and asynchronous harq ?

posted Dec 6, 2013 by Vimal Kumar Mishra

+1 vote

1 answer

Why UE will not report BSR for each logical channel instead of LogicalChannelGroup?

posted Sep 15, 2016 by Gnanendra Reddy

+6 votes

3 answers

LTE: How an UE get to know cell is running on MIMO mode or not ?

posted Feb 5, 2014 by Harshita

0 votes

1 answer

What are the transmission mode enb sends to UE in RRC connection setup and rrc connection reconfiguration?

posted Mar 7, 2019 by Gnanendra Reddy

+2 votes

1 answer

What is MAC control Element in MAC layer of LTE network ?

posted Mar 19, 2014 by Mridul

0 votes

1 answer

What is the difference between ACK/NACK bundling and multiplexing ?

posted Feb 15, 2018 by Ankit Mishra

+2 votes

1 answer

What is the difference between dual connectivity and carrier aggregation in LTE?

posted Jun 22, 2017 by Jaganathan

+3 votes

2 answers

Is there any impact of PHR (Power Head Room) on the data throughput ?

posted Sep 29, 2013 by Ganesh Kumar

+1 vote

1 answer

What is the use of SR prohibit timer?

posted Dec 6, 2017 by Himani

0 votes

0 answers

What is configured grant type 1 and type 2 in uplink?

posted Jan 10, 2018 by Jaganathan

+2 votes

1 answer

What is recommended bit rate MAC CE?

posted Jun 29, 2017 by Jaganathan

+4 votes

1 answer

UE harq process in 5G-NR is asynchronous or synchronous ?

posted Mar 9, 2018 by Dhianesh

+2 votes

1 answer

How many PUCCH formats are in NR?

posted Feb 13, 2018 by Jaganathan

0 votes

2 answers

What is the difference between persistent scheduling and semi persistent scheduling?

posted Dec 14, 2016 by Gnanendra Reddy

+1 vote

2 answers

LTE: How UE will detect Paging message when UE in IDLE mode

posted Mar 24, 2017 by Rohit Verma

+1 vote

1 answer

LTE: How does channel quality indicator value impact downlink and uplink resource scheduling for an UE ?

posted Sep 1, 2016 by Ganesh

+4 votes

1 answer

LTE: Why does uplink support only resource allocation type 2 ?

posted Nov 7, 2013 by Vikram Singh

+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

1 answer

What is msg3 buffer in Random Access?

posted Jun 22, 2016 by Sivakumar.d

+1 vote

1 answer

LTE: How connected mode DRX and Idle mode DRX are configured ?

posted Oct 20, 2017 by Ganesh

+1 vote

1 answer

How do I view the nameserver cache in Mac OS-X ?

posted Jul 28, 2013 by Natarajan Venkatraman

+1 vote

1 answer

What is the difference between On duration timer and inactivity timer?when UE will start these timers?

posted Nov 28, 2016 by Gnanendra Reddy

+1 vote

2 answers

LTE: How does an UE come to know about its own DCI over the PDCCH ?

posted Jun 15, 2014 by Ganesh

0 votes

0 answers

What is beam failure recovery in 5G?

posted Dec 22, 2017 by Jaganathan

0 votes

1 answer

LTE: What all MCS indexes can be used for the configuration of PMCH ?

posted Oct 22, 2016 by Rupam