Recent posts under tag enodeb

+2 votes

1 answer

How ENB will find out whether UE supports MIMO or not?

posted Jun 12, 2017 by Dheerendra

+1 vote

1 answer

LTE: Difference between default and dedicated bearer and on what basis it is decided which one to establish ?

posted Jun 12, 2017 by Vikram Singh

+2 votes

1 answer

LTE: For operators, VoLTE or CS fallback which one would be economical solution to provide voice services ?

posted Jun 10, 2017 by Harshita

+1 vote

0 answers

LTE: Does the establishment of SRB2 optional or mandatory in LTE ?

posted Jun 10, 2017 by Ganesh Kumar

+2 votes

2 answers

LTE: Why UE does not "attach complete" message along with "RRC Connection Reconfiguration Complete" ?

posted Jun 9, 2017 by Ganesh Kumar

+1 vote

1 answer

Why does UE decodes PDCCH continuously?

posted Jun 8, 2017 by Charan Shah

+3 votes

1 answer

Why do we need HIDCI and UL-CONFIG message in FAPI? because both are carrying UL allocation information.

posted Jun 7, 2017 by Himani

0 votes

0 answers

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

posted Jun 6, 2017 by Karan Patel

+1 vote

1 answer

Why HARQ ACK delay is 3ms?

posted Jun 5, 2017 by Ankit Mishra

0 votes

0 answers

LTE: What big a cell size in the macro LTE network and can it be increased ?

posted Jun 4, 2017 by Ganesh

+1 vote

2 answers

Why we need MAC to PHY interface in LTE? Why we dont have standard interface between other layers ?

posted Jun 2, 2017 by Himani

0 votes

1 answer

What is the use of NDI bit in HARQ context?

posted Jun 2, 2017 by Himani

0 votes

1 answer

What is meant by protocol discriminator.

posted Jun 1, 2017 by Uday Kiran

+1 vote

2 answers

In LTE FDD MODE if uplink and downlink band width are different then how the UE will know about that ?

posted May 31, 2017 by anonymous

+1 vote

1 answer

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

posted May 30, 2017 by Jaganathan

0 votes

1 answer

What is multiplexing in MAC?

posted May 30, 2017 by Ankit Mishra

+1 vote

2 answers

why QPSK modulation scheme is used for all control channels in LTE ?

posted May 27, 2017 by anonymous

0 votes

1 answer

Why broadcast messages are carried in TM mode ?

posted May 26, 2017 by Akhilesh

0 votes

1 answer

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

posted May 26, 2017 by Himani

0 votes

2 answers

Handover Failure in LTE

posted May 24, 2017 by Yeshwanth

0 votes

0 answers

What is code rate in LTE?

posted May 24, 2017 by Karan Patel

+1 vote

1 answer

Why UL data is not scrambled with RNTI? Why only DL data is scrambled with RNTI?

posted May 18, 2017 by Himani

0 votes

1 answer

What is the exact use of Physical cell id (PCI) over the cell id ?

posted May 17, 2017 by Bharat Kumar

0 votes

1 answer

What is PDCP in-sequence delivery & duplicate detection at re-establishment?

posted May 17, 2017 by Bharat Kumar

+3 votes

1 answer

When Enb will send rrc connection reject mesage to UE and What are the scenarios?

posted May 17, 2017 by Gnanendra Reddy

0 votes

2 answers

MME behavior when s1 Setup req is received twice from same eNB

posted May 16, 2017 by Sumit Deshmukh

+3 votes

4 answers

How we know about PDSCH location from PDCCH?

posted May 14, 2017 by Gnanendra Reddy

+1 vote

1 answer

Load balancing in LTE ?

posted May 12, 2017 by Shilpy Agrawal

0 votes

1 answer

How eNB will take the decision to perform Cell change order and what is the scenario?

posted May 11, 2017 by Akhilesh

0 votes

1 answer

why CSRS is not only in center 72 subcarriers?

posted May 8, 2017 by Akhilesh

0 votes

1 answer

How Roaming charges and procedure will happen in LTE?

posted May 5, 2017 by Dheerendra

0 votes

0 answers

What type of HARQ type is mostly used in LTE?

posted May 3, 2017 by Himani

0 votes

1 answer

Why separate channels are required for HARQ?

posted May 2, 2017 by Poonam

0 votes

1 answer

Why LCP is only at UE side , why not at ENB side?

posted Apr 28, 2017 by Poonam

0 votes

1 answer

Is there any UL scheduler available at UE side ?

posted Apr 26, 2017 by Poonam

+4 votes

0 answers

Why there are only 504 Physical cell id ?

posted Apr 25, 2017 by Dheerendra

+1 vote

1 answer

How RR and QOS scheduler works in LTE? What is the difference between QOS and PF sceduler?

posted Apr 24, 2017 by Poonam

+1 vote

1 answer

How many PLMN is supported in single cell ?

posted Apr 21, 2017 by Himani

0 votes

1 answer

How UE will calculate channel quality indicator ?

posted Apr 21, 2017 by Himani

0 votes

0 answers

LTE: Is there any way to trigger paging message from SGW using openair-cn vms?

posted Apr 20, 2017 by anonymous

0 votes

0 answers

What are the ways to trigger paging message from enb?

posted Apr 20, 2017 by anonymous

+2 votes

0 answers

What is DMTC in LTE and why it is used?

posted Apr 20, 2017 by Charan Shah

+1 vote

2 answers

How many packet data network can be available for one single UE?

posted Apr 19, 2017 by Charan Shah

0 votes

0 answers

What is SAF ?

posted Apr 17, 2017 by Ankit Mishra

0 votes

1 answer

How warning messages scheduled in MAC layer?

posted Apr 13, 2017 by Sakshi Rai

0 votes

1 answer

Why rate matching is required in LTE?

posted Apr 13, 2017 by Akhilesh

0 votes

1 answer

how to decide scaling factor and duration of PHICH?

posted Apr 11, 2017 by Sakshi Rai

–2 votes

2 answers

Why network triggers identity request after authentication procedure ?

posted Apr 11, 2017 by Sakshi Rai

0 votes

2 answers

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

posted Apr 10, 2017 by Himani

+1 vote

1 answer

LTE: What is DRS in LAA and what is the use of this signal?

posted Apr 6, 2017 by Himani