Most voted questions under tag mac

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What is the difference between processing delay and propagation delay in lte?

posted Nov 8, 2015 by Gnanendra Reddy

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Difference between short BSR, long BSR and truncated BSR ?

posted Mar 19, 2015 by Alok

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Is There any cases that RLC posts the buffer more than grant given by MAC layer?

posted Jan 19, 2015 by anonymous

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LTE MBMS: How many sub frames of a radio frame are used to transmit multi/broadcast data ?

posted Aug 10, 2014 by Ganesh

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LTE ACCESS: What probably the ratio of PUSCH and PDSCH resources while deploying an eNodeB ?

posted Aug 7, 2014 by Vimal Kumar Mishra

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LTE: How does an UE come to know that allocated sub carriers are different from first slot to second slot ?

posted Jun 15, 2014 by Ganesh

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

posted Jun 15, 2014 by Ganesh

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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

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LTE: How many types of resource allocation schemes are present in LTE ?

posted May 26, 2014 by Vikram Singh

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2 answers

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

posted Mar 29, 2014 by Vimal Kumar Mishra

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1 answer

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

posted Mar 29, 2014 by Vimal Kumar Mishra

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3 answers

Mac or Linux for Python Development?

posted Feb 23, 2014 by Ahmed Patel

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2 answers

Running MacOSX as VM under CentOS 5.10?

posted Nov 6, 2013 by Deepak Dasgupta

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3 answers

Screenshot Taking program in Python for Mac OS X.

posted Oct 19, 2013 by Seema Siddique

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0 answers

CentOS6.4 and Apple keyboard

posted Oct 10, 2013 by Anderson

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2 answers

Host-Only networking with Virtual Box

posted Aug 19, 2013 by Ahmed Patel

+1 vote

1 answer

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

posted Jul 28, 2013 by Natarajan Venkatraman

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5g ssb numerology spec reference

posted May 2, 2021 by Pdk

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Why repetition coding is used in UCI format only in NR?

posted Oct 20, 2020 by Himani

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How Does 5G CN handles multiple QOS flow in single PDU Session?

posted Oct 15, 2020 by Akhilesh

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Does UE starts Inactivity timer if it receives UL grant with NDI not toggled?

posted Sep 15, 2020 by Ankit Mishra

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What is Spurious emission in UE transmission?

posted Aug 19, 2020 by Charan Shah

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What is the use of TB scaling in PDCCH message?

posted Aug 18, 2020 by Dheerendra

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1 answer

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

posted Aug 14, 2020 by Jaganathan

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What will be the DRX state after RACH if UE initiates Rach for TA expiry?

posted Aug 11, 2020 by Sakshi Rai

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1 answer

Can we reserve the Preamble for Timing advance Rach request?

posted Aug 10, 2020 by Karan Patel

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1 answer

What is the difference betwee FD-MIMO and MIMO?

posted Aug 7, 2020 by Karan Patel

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1 answer

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

posted Aug 5, 2020 by Sakshi Rai

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How many periodic NZP CSI-RS resources can be configured per slot in NR?

posted Aug 2, 2020 by Ankit Mishra

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What is constellation mapping in Modulation order?

posted Jul 28, 2020 by Dheerendra

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Does timing advance is applicable for SRS?

posted Jul 20, 2020 by Himani

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What if UE's supported Number of Layer in DL is less than eNB supported MIMO layer in DL?

posted Jul 14, 2020 by Jaganathan

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How UE gets Number of layers and Antenna in gNB

posted Jun 15, 2020 by Bharat Kumar

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

posted Jun 11, 2020 by Bharat Kumar

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What is CBG (Code Block Group) based HARQ Re-Transmission?

posted Jun 8, 2020 by Jaganathan

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What is the reason for fall back to default BWP after inactive timer expiry?

posted May 25, 2020 by Jaganathan

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How to change Pcell to Scell and Scell to Pcell during Inactive mode mobility?

posted May 19, 2020 by Poonam

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Should Scell and Pcell have same SFN/RFN? What will be the impact of both are different?

posted May 19, 2020 by Dheerendra

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'What if UE misses the UL SPS release DCI and keeps sending the UL SPS data?

posted May 17, 2020 by Dheerendra

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1 answer

Is there any limit on Max BSR transmission? if eNB doesn't give grant to BSR then what happens?

posted May 14, 2020 by Himani

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What will be the impact on system if multiple UE initiating different preamble RACH in same SF again and again?

posted May 13, 2020 by Karan Patel

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What will be the RNTI value in RAR for Contention free HO RACH?

posted May 13, 2020 by Karan Patel

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Can we disable SPS Implicit release in UL?

posted May 11, 2020 by Himani

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What if Reestablishment triggered before Security context in Soruce cell?

posted May 11, 2020 by Jaganathan

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Any Prohibit condition for UE to block PHR MAC CE?

posted May 8, 2020 by Bharat Kumar

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1 answer

What is the impact if RARNTI and CRNTI is same for different UE?

posted May 2, 2020 by Jaganathan

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What happens During CDRX eNB receive NACK but UE sent ACK?

posted Apr 7, 2020 by Jaganathan

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What should be the max HARQ transmission If TTI bundling is enabled?

posted Apr 3, 2020 by Jaganathan

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1 answer

What happens If UE Is in DRX OFF duration and DRX Re transmission timer is running?

posted Mar 31, 2020 by Akhilesh

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1 answer

Does UE send the non SPS LC data in SPS grant?

posted Feb 27, 2020 by Sakshi Rai