Recent posts under tag rlc

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Why CCCH SDU is passing through RLC TM mode? Instead RRC can directly deliver to MAC?

posted Dec 5, 2019 by Ankit Mishra

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During Re-establishment why AM state variables are kept same?

posted Oct 31, 2019 by Himani

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Why there is PDCP sequences number even though RLC has? .

posted Aug 14, 2019 by Debasis Mohapatra

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Why RLC duplication detection applicable only for AM mode?

posted Aug 2, 2019 by Akhilesh

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What is the state of UE if the RLC UM Max HARQ re transmission fails?

posted Jul 11, 2019 by Charan Shah

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How many time RLC status PDU can be re transmitted?

posted Jul 8, 2019 by Ankit Mishra

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Do we need PDCP re-ordering in RLC UM mode?

posted Jul 5, 2019 by Ankit Mishra

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Does RLC reports RLF incase no status PDU reception from receiver?

posted Jun 21, 2019 by Jaganathan

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How many instance sender RLC can send Poling for an single window of missing PDU?

posted Jun 20, 2019 by Jaganathan

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Which layer does HARQ re-ordering in 5G?

posted Apr 16, 2019 by Jaganathan

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How Sender RLC AM entity behaves if it didn't receive status PDU because of congestion in network?

posted Mar 28, 2019 by Ankit Mishra

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What is the RLC mode used in NR for SRB's?

posted Mar 22, 2019 by Jaganathan

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How Does LTE PDCP understands NR RLC status message during reestablishment?

posted Mar 19, 2019 by Jaganathan

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

posted Mar 7, 2019 by Gnanendra Reddy

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How RAN handles URLLC?

posted Jan 24, 2019 by Jaganathan

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How RLC handles the status polling?

posted Jan 7, 2019 by Himani

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How does the transmission opportunity is notified by MAC and the TB size is being sent over it to AM and UM?

posted Jan 1, 2019 by Mayur Jivanrao Nakade

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Why concatenation is removed from RLC NR?

posted Dec 14, 2018 by Rohit Verma

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Maximum retx for Polling PDU?

posted Dec 6, 2018 by Karan Patel

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Why in RLC layer Seq. numbering is given to RLC SDU's and not to RLC PDU's?

posted Sep 21, 2018 by Mayur Jivanrao Nakade

+1 vote

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How UE RLC entity will forward status PDU to SENB in case of DL data?

posted Jan 4, 2018 by Jaganathan

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Re-transmission at lower layers

posted Dec 27, 2017 by Sushant Bose

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LTE: Which RLC mode adds the least amount of delay to user traffic? [MCQ]

posted Dec 21, 2017 by anonymous

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LTE: Which of the following is/are the function of UM RLC? [MCQ]

posted Dec 11, 2017 by anonymous

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LTE: Which of the following is/are the types of RLC PDU Formats? [MCQ]

posted Dec 11, 2017 by anonymous

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Does ARQ follows stop and wait mechanism for data transfer?

posted Sep 26, 2017 by Rohit Verma

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Why do you need ARQ retransmission?

posted Sep 8, 2017 by Himani

+1 vote

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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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Why do we have sequence number in RLC and PDCP?

posted Jul 20, 2017 by Himani

+1 vote

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LTE: When RLC 15-bit LI value is used in AM mode ??? Based on what condition.

posted Jun 28, 2017 by Hamesh Raja M A

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Why do we have different SN range in PDCP&RLC?

posted Jun 6, 2017 by Karan Patel

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Why do we need segmentation or concatenation for the RLC re-transmission?

posted May 30, 2017 by Jaganathan

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Why broadcast messages are carried in TM mode ?

posted May 26, 2017 by Akhilesh

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WHy HARQ re-ordering in is RLC?But HARQ functionality is done by MAC?

posted May 26, 2017 by Himani

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How RLC differentiate received PDU is new transmission or re-transmission?

posted Apr 10, 2017 by Himani

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What is protocol error detection and recovery?

posted Apr 7, 2017 by Ankit Mishra

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LTE: Why HARQ re-ordering is required in RLC UM mode ???

posted Apr 3, 2017 by Himani

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In downlink, does RLC forms different PDUs for each UE scheduled to receive data this TTI or just a single PDU?

posted Feb 20, 2017 by Mayank Gupta

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RLC AMD PDU byte segments

posted Feb 14, 2017 by Prabhavathi

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What is eNB RLC queue size as per LTE standards?

posted Jan 23, 2017 by anonymous

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LTE: Is it possible during MBMS data transmission few of the eNodeBs have less MBMS resources compare to others ?

posted Nov 18, 2016 by Rupam

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LTE: Does the MAC perform dynamic scheduling for MBMS data or it is persistent throughout the MBMS session duration ?

posted Nov 18, 2016 by Rupam

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Why RLC TM data does not go through PDCP layer, any pointer on how to proceed?

posted Nov 15, 2016 by anonymous

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LTE: Does RLC segmentation and reassembling applicable for MBMS data ?

posted Nov 13, 2016 by Rupam

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Can anyone please explain briefly PDCP re-establishment support & retransmission of PDCP SDU at handover in RLC AM mode?

posted Oct 4, 2016 by Bhagyashree R

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LTE: What type of data is considered for transparent mode (TM) transmission in LTE RLC ?

posted Oct 1, 2016 by Rupam

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LTE: Due to which parameter or protocol layer, LTE puts restriction of having maximum 8 bearers per UE ?

posted Sep 17, 2016 by Harshita

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Can anyone provide information regarding few issues observed in UE side and debug process while testing on LTE ?

posted Apr 22, 2016 by Arijit Chakraborty

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Which RLC SDU's are associated with PDCP and which are associated with RRC?

posted Jun 13, 2015 by anonymous

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RLC Re-Transmission Buffer Priority?

posted Jun 4, 2015 by anonymous