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Recent posts under tag lte

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0 answers
what is broadband? data rates >1.5 Mbps (T1) and data-rates=2Mbps (E1). What is this T1 and E1 means???
posted Sep 26, 2016 by Sneha Maganahalli
  • lte
0 votes
1 answer
LTE: Why eNodeB scramble MIB information with antenna specific mask before broadcasting over the air ?
posted Sep 26, 2016 by Rupam
  • lte
  • enodeb
  • phy
  • antennas
+1 vote
1 answer
LTE: How SMS services will be received in LTE network ?
posted Sep 26, 2016 by Rupam
  • lte
  • sms
+3 votes
2 answers
LTE: Is there any relationship between pre-coding matrix index and rank index ?
posted Sep 25, 2016 by Ganesh
  • lte
  • enodeb
  • interview questions
  • mac
+1 vote
1 answer
LTE: What things are considered when defining logical channel groups for established logical channel ids ?
posted Sep 25, 2016 by Vikram Singh
  • lte
  • interview questions
  • mac
  • enodeb
+1 vote
1 answer
when IMSI is used and when TMSI is used in LTE?
posted Sep 24, 2016 by Sneha Maganahalli
  • lte
0 votes
1 answer
LTE: Why LTE is not considered 4G technology completely ?
posted Sep 23, 2016 by Vikram Singh
  • interview questions
  • lte
  • telecom
0 votes
0 answers
What is the use of S12 interface in LTE?
posted Sep 23, 2016 by Bhagyashree R
  • lte
0 votes
1 answer
How MME identifies SGW?Based on what factor SGW will be selected?
posted Sep 23, 2016 by Bhagyashree R
  • lte
+1 vote
1 answer
How MME identifies S-GW address?
posted Sep 23, 2016 by anonymous
  • lte
+1 vote
1 answer
What is DCI format 1D in LTE and please explain in detail?
posted Sep 23, 2016 by Gnanendra Reddy
  • lte
  • enb
0 votes
0 answers
what could be the reason for integrity check failure on SRB-1?
posted Sep 23, 2016 by Suchakravarthi Sripathi
  • lte
+1 vote
1 answer
what are possible info enb can provide to multiple UEs in single subframe on PDCCH?
posted Sep 21, 2016 by Suchakravarthi Sripathi
  • lte
+1 vote
0 answers
Hi what are the customer facing KPI for 3G and LTE ? Means how to check the customer experience for 3G and 4G users ?
posted Sep 21, 2016 by Dipanshu Kulshrestha
  • lte
  • ue
  • ims
  • enodeb
  • volte
+3 votes
1 answer
Clarification on security mode procedure in LTE
posted Sep 21, 2016 by Sachidananda Sahu
  • lte
  • enodeb
  • ue
  • nas
  • ltesecurity
+1 vote
1 answer
LTE: What is the significance of time alignment timer for an UE and what actions are initiated when it expires ?
posted Sep 21, 2016 by Vikram Singh
  • lte
  • enodeb
  • ue
  • interview questions
+3 votes
2 answers
What is the use of sequence number in Authentication Token?
posted Sep 20, 2016 by Bhagyashree R
  • lte
0 votes
2 answers
Is pdcch order and contention free rach both are same?
posted Sep 20, 2016 by Suchakravarthi Sripathi
  • lte
0 votes
1 answer
LTE: How much time a LTE UE takes to complete frequency synchronization ?
posted Sep 20, 2016 by Neelam
  • interview questions
  • ue
  • enodeb
  • lte
+1 vote
1 answer
Can anyone provide an example of Multiple Services Credit Control Use case ?
posted Sep 19, 2016 by Cd_83
  • lte
  • diameter
  • charging
+1 vote
1 answer
Which type of rach procedure should perform in rrc re-establishmemt?
posted Sep 19, 2016 by Suchakravarthi Sripathi
  • lte
+1 vote
0 answers
How mac-reset can be perform in ended?
posted Sep 19, 2016 by Suchakravarthi Sripathi
  • lte
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
  • lte
  • mac
  • enodeb
  • ue
  • interview questions
0 votes
1 answer
LTE: What is the difference between buffer status reporting and scheduling request ?
posted Sep 19, 2016 by Ganesh Kumar
  • lte
  • ue
  • enodeb
  • mac
  • scheduler
0 votes
1 answer
What is frequency synchronization in lte? And how it is achieved through pss?
posted Sep 18, 2016 by Sneha Maganahalli
  • lte
0 votes
0 answers
What is the significance of DMRS cyclic shift field in DCI-0?
posted Sep 17, 2016 by anonymous
  • lte
+1 vote
1 answer
LTE: Due to which parameter or protocol layer, LTE puts restriction of having maximum 8 bearers per UE ?
posted Sep 17, 2016 by Harshita
  • lte
  • enodeb
  • rlc
  • mac
  • pdcp
+1 vote
0 answers
sampling frequency/FFT size = (15KHz for all bandwidth). why this relationship should be maintained in LTE?
posted Sep 17, 2016 by Sneha Maganahalli
  • lte
+1 vote
1 answer
LTE: Why we don't use SC-FDMA in downlink?
posted Sep 17, 2016 by Sneha Maganahalli
  • lte
+1 vote
1 answer
Where exactly the buffering happens in SGW (particular layer or application sitting on GTPU) during paging? and why?
posted Sep 17, 2016 by Sneha Maganahalli
  • lte
+1 vote
2 answers
What happens if there is same PCI for two different bands?
posted Sep 16, 2016 by anonymous
  • lte
  • pci
+2 votes
2 answers
How many bearers a UE can have?
posted Sep 16, 2016 by Bhagyashree R
  • lte
+2 votes
1 answer
How many default bearers can be established?
posted Sep 16, 2016 by Sneha Maganahalli
  • lte
+3 votes
1 answer
How often the IP address and the TEID are repeated in LTE network?
posted Sep 16, 2016 by Sneha Maganahalli
  • lte
  • gtp
+2 votes
0 answers
What is layer mapping in context of LTE?
posted Sep 16, 2016 by Sneha Maganahalli
  • lte
  • phy
+2 votes
1 answer
About logical channel prioritization and scheduler in MAC of UE..
posted Sep 16, 2016 by Sneha Maganahalli
  • lte
  • mac
+2 votes
1 answer
Why sequences are generated by PHY of UE for a selected RACH preamble?
posted Sep 16, 2016 by Bhagyashree R
  • lte
+1 vote
0 answers
Why Tunnel-Id is 32 bit?? How we have so much big number requirement??
posted Sep 15, 2016 by Sneha Maganahalli
  • lte
+1 vote
1 answer
How actual bandwidth of cell can be found?
posted Sep 15, 2016 by Bhagyashree R
  • lte
+1 vote
1 answer
Why UE will not report BSR for each logical channel instead of LogicalChannelGroup?
posted Sep 15, 2016 by Gnanendra Reddy
  • enodeb
  • lte
  • ue
  • mac
0 votes
1 answer
what link is there between the eNB to SGW to PGW??? Do they use ethernet cable?
posted Sep 15, 2016 by Sneha Maganahalli
  • lte
  • enodeb
+1 vote
1 answer
what happens to the dedicated bearer when my call is in hold??
posted Sep 14, 2016 by Sneha Maganahalli
  • lte
+1 vote
1 answer
Why PHICH is modulated using BPSK?
posted Sep 14, 2016 by Bhagyashree R
  • lte
0 votes
1 answer
How many DLSCH are there? On what factor its number depends?
posted Sep 13, 2016 by Sneha Maganahalli
  • lte
+2 votes
3 answers
How UE informed about the interval of radio resources being assigned to it?
posted Sep 13, 2016 by Gnanendra Reddy
  • lte
  • enodeb
  • ue
  • rrc
+2 votes
1 answer
Can any one clearly explain about this bearers .. I have confusion in understanding these?
posted Sep 13, 2016 by Suchakravarthi Sripathi
  • lte
+2 votes
1 answer
Where does MME sits in The LTE network in practical? I mean whether it is hardware or software component??
posted Sep 13, 2016 by Sneha Maganahalli
  • lte
  • mme
+1 vote
1 answer
In RLC AM Mode, How RRC Re-establishment procedure happend?
posted Sep 12, 2016 by Suchakravarthi Sripathi
  • lte
+1 vote
1 answer
Why RRC Re-establishment procedure really needed?
posted Sep 12, 2016 by Suchakravarthi Sripathi
  • lte
0 votes
1 answer
How many bits of shared channel data(PDSCH) available in one subframe?
posted Sep 12, 2016 by Suchakravarthi Sripathi
  • lte
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