Recent posts under tag lte

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How UE gets UL sync in other secondary cell in LTE?

posted Aug 28, 2018 by Rohit Verma

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LTE: What are timers run at different protocol layers to guard the attach procedure ?

posted Aug 28, 2018 by Harshita

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If Measurement Gap and paging cycle collide how UE will handle?

posted Aug 27, 2018 by Akhilesh

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How does UE know the eNodeB 3GPP release?

posted Aug 26, 2018 by anonymous

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LTE security , ciphering activation time

posted Aug 24, 2018 by Pdk

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What are all the scenario ROHC will be disabled after enabling?

posted Aug 21, 2018 by Jaganathan

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Can anyone suggest some books for LTE development?

posted Aug 20, 2018 by Pratap Kumar

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What is Reflective QOS in 5g and how is it handled?

posted Aug 19, 2018 by Pdk

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What will be the behaviour of LTE MAC,RLC & PDCP layer once ue data transmission stops & starts again after some time?

posted Aug 17, 2018 by Mohit Mohan

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TFT and QFI handing in UPF?

posted Aug 16, 2018 by Pdk

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RRC reestablishment

posted Aug 16, 2018 by Yeshwanth

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How long does ENB will hold the contention free pramble in Target ENB?

posted Aug 16, 2018 by Himani

+2 votes

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When eNB sends RRC Connection Release with "IdleMode Mobility Control Info IE"???

posted Aug 14, 2018 by Hamesh Raja M A

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After TA command from ENB How UE applies?

posted Aug 13, 2018 by Akhilesh

+3 votes

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Modification of the Default APN

posted Aug 12, 2018 by Michael Semama

+1 vote

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Can UE reject the HO command received in RRC reconfiguration?

posted Aug 10, 2018 by Jaganathan

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What is the advantage of 5G network over 4G network?

posted Aug 9, 2018 by anonymous

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How the PDU session to QOS flow to DRB mapping handled ?

posted Aug 9, 2018 by Pdk

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LTE: How does up-link traffic flow template work at UE side ?

posted Aug 9, 2018 by Harshita

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What should be the UE behavior once BSR timer expire?

posted Aug 8, 2018 by Jaganathan

+1 vote

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In CA case weather UE do RACH in other carrier apart from primary?

posted Aug 8, 2018 by Ankit Mishra

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LTE: How does PGW handle DHCP messages exchanged between UE and DHCP server for two different APNs ?

posted Aug 8, 2018 by Vimal Kumar Mishra

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

posted Aug 7, 2018 by Ankit Mishra

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which type of rach is used for senb in dual connectivity? Please give the reference if possible.

posted Aug 7, 2018 by Prabhavathi

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what is SN terminated MCG bearer and MN terminated SCG bearer in EN-DC? and use?

posted Aug 7, 2018 by Prabhavathi

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What are all the possible way that UE will move to connected state to IDLE state in LTE/NR?

posted Aug 6, 2018 by Ankit Mishra

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How can I get started in 5G Core?

posted Aug 2, 2018 by Vinay Kumar Tokala

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What is purpose of having feedback at Xn(user plane) during Dual Connectivity(SeNB -> MeNB)

posted Aug 2, 2018 by Manohar Venkat.ch

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Getting " requested service option not subscribed" in attach reject While requesting with pdn request type as "handover

posted Aug 2, 2018 by Jaganathan

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What is the advantage of NB-IOT over LORA IOT ?

posted Aug 2, 2018 by Jaganathan

+1 vote

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Is it mandatory that after reporting measurement event HO should be triggered?

posted Aug 1, 2018 by Jaganathan

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Which event of measurement is used for UMTS or LTE fallback in 5G?

posted Aug 1, 2018 by Jaganathan

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What will be the impact if I change parameter maxnumRRC (maximum number of RRC) in cell from 150 to 300?

posted Jul 31, 2018 by anonymous

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In Dual connectivity Does modem use two RF unit ?

posted Jul 29, 2018 by Jaganathan

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LTE: When SGW triggers "stop paging" message to MME ?

posted Jul 28, 2018 by Harshita

+2 votes

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IMS: How does S-CSCF locate PGW for a terminating VoLTE call ?

posted Jul 28, 2018 by Harshita

+1 vote

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Can UE move to DRX state wen UE received CMAS message form Network?

posted Jul 27, 2018 by Himani

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How CQI 15 & MCS 28 will map in LTE?

posted Jul 27, 2018 by Mohit Mohan

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LTE: What is the significance of different RoHC modes such as U-Mode O-Mode and R-Mode ?

posted Jul 27, 2018 by Harshita

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What is PSCell and How it connects LTE/NR.

posted Jul 26, 2018 by anonymous

+1 vote

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Can we make LTE eNB as an Standalone & isolated entity during field trials, if yes then how?

posted Jul 26, 2018 by anonymous

+1 vote

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What is a sleeping cell and what is the cause of it?

posted Jul 26, 2018 by anonymous

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502 Bad gateway-VOLTE Failures: please suggest what can be the reasons for this bad gateway message?

posted Jul 26, 2018 by anonymous

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can NB-IOT device receive DL data or paging while in PTM mode?

posted Jul 25, 2018 by Jaganathan

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In LTE after grant,I sent DCI after that I receive UL packets which has no power(modem side). What could be the reason ?

posted Jul 25, 2018 by Mohit Mohan

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LTE: Why only PHICH not other channels are transmitted in the Master Information Block ?

posted Jul 25, 2018 by Vikram Singh

+1 vote

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What is RTP Gap? and how could we improve it?

posted Jul 23, 2018 by anonymous

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SPS HARQ process in measurement gap?

posted Jul 23, 2018 by Jaganathan

+1 vote

1 answer

can we enable TTI bundling and SPS together?

posted Jul 20, 2018 by Rohit Verma

+2 votes

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How RRC resume works in NB-IOT devices?

posted Jul 20, 2018 by Jaganathan