Recent posts under tag mac

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What is BA in LTE?How it is different from CA ?

posted Dec 29, 2017 by Jaganathan

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Re-transmission at lower layers

posted Dec 27, 2017 by Sushant Bose

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How RAN paging works in 5G?

posted Dec 27, 2017 by Jaganathan

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5G introduce UL grant & corresponding UL data transmission in same SF ! Is that true?

posted Dec 26, 2017 by Jaganathan

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How does an eNB gets connected to application layer in MTC?

posted Dec 24, 2017 by Balagopal 24

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What is beam failure recovery in 5G?

posted Dec 22, 2017 by Jaganathan

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

posted Dec 21, 2017 by Jaganathan

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Why there is a change in TB formation at 5G MAC level ?

posted Dec 21, 2017 by Jaganathan

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What is the use of micro-DRX in 5G and how it works?

posted Dec 20, 2017 by Jaganathan

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How UE will get notification about Beam switch?

posted Dec 15, 2017 by Jaganathan

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Does 5G allowes Beam switching in intra and inter frequency?

posted Dec 15, 2017 by Jaganathan

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What is the use of SIB Tx request in 5G?

posted Dec 14, 2017 by Jaganathan

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Why there is a RB restriction in TTI bundling?

posted Dec 13, 2017 by Charan Shah

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Can we use different BW for UL and DL in TDD and FDD?

posted Dec 12, 2017 by Karan Patel

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Do we have PUCCH support in LTE COMP?

posted Dec 11, 2017 by Jaganathan

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How TA(TIming advance) works in CA mode?WIll it be different for each CA cell?

posted Dec 11, 2017 by Rohit Verma

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How does slot based scheduling in 5G impact MAC ?

posted Dec 8, 2017 by Jaganathan

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What is mini slots in 5G?

posted Dec 8, 2017 by Jaganathan

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What is the Max RB restriction for MTC?

posted Dec 7, 2017 by Jaganathan

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What is the use of SR prohibit timer?

posted Dec 6, 2017 by Himani

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Why do we need long DRX CE over DRX CE in LTE?

posted Dec 5, 2017 by Karan Patel

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BSR reporting

posted Dec 2, 2017 by Sushant Bose

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How exactly HARQ RTT 12 ms concept works?

posted Nov 30, 2017 by Jaganathan

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Difference between Beamforming and MIMO?

posted Nov 30, 2017 by Himani

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What is BWP SR configuration in 5G?

posted Nov 29, 2017 by Jaganathan

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What is the priority order of LC's in 5G?

posted Nov 29, 2017 by Jaganathan

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What is SS block in Rach procedure?

posted Nov 28, 2017 by Himani

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What is Supplementary Uplink in 5G ?

posted Nov 24, 2017 by Jaganathan

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5G:MAC is doing priority handling between UE's and logical channel then why do we need SDAP?

posted Nov 22, 2017 by Jaganathan

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How SENB will be added ?What basis SENB will be selected?

posted Nov 21, 2017 by Rohit Verma

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How to activate Scell's in SENB?

posted Nov 20, 2017 by Rohit Verma

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Is it mandatory to do RACH on all the cells of SENB?

posted Nov 16, 2017 by Rohit Verma

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Can we send UL data in Dual connectivity of Rel12?Why in Rel 12 they were not speaking about UL dual connectivity?

posted Nov 13, 2017 by Rohit Verma

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

posted Nov 3, 2017 by Himani

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

posted Nov 3, 2017 by Himani

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

posted Oct 20, 2017 by Ganesh

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How two ENB communicates about scheduling information of UE's in LTE CA?Which interface it uses to communicate?

posted Oct 3, 2017 by Ankit Mishra

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How to achieve 4 * 4 MIMO in 2 antenna configuration?

posted Sep 26, 2017 by Dheerendra

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Which operator supports connected mode DRX?

posted Sep 21, 2017 by Karan Patel

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Can UE reads PDCCH for PRNTI in DRX mode?

posted Sep 18, 2017 by Bharat Kumar

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UE activity in DRX On duration?

posted Sep 15, 2017 by Bharat Kumar

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Why do you need ARQ retransmission?

posted Sep 8, 2017 by Himani

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Why does RLC retransmitting its PDU after MAX HARQ retx , why not after first HARQ NACK ?

posted Sep 8, 2017 by Himani

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LTE: What is the use of different RV values while sending NACK from eNodeB to UE over the PHICH ?

posted Sep 7, 2017 by Ganesh

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After reaching max HARQ retransmission still UE retransmitting the TB?

posted Sep 5, 2017 by Himani

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What happens if HARQ max retransmission reaches?

posted Sep 4, 2017 by Himani

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What is MAC configuration?When RRC will configure MAC ,Is it for every UE ?

posted Sep 4, 2017 by Himani

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What is the delay between MPI messages?

posted Aug 30, 2017 by Ankit Mishra

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what is single-cluster SC-FDM constraint ?

posted Aug 24, 2017 by Prabhavathi

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what is dedicated broadcast harq process ?

posted Aug 24, 2017 by anonymous