Recent posts under tag lte

0 votes

1 answer

X2 HO preparation success rate suddenly decreased with root cause as invalid MME Group ID and MME Group ID is unique?

posted Apr 17, 2018 by anonymous

+1 vote

1 answer

How to Improve MOS and UL and Dl Quality in VoLTE, which parameter will influence to improve VOIP Quality and MOS

posted Apr 17, 2018 by anonymous

+1 vote

0 answers

How to Imrprove RTP and Jitter in VoLTE

posted Apr 17, 2018 by anonymous

+2 votes

0 answers

How to improve DL Packet delay in VoLTE

posted Apr 17, 2018 by Mohammed Sadiq

+1 vote

2 answers

How does UE finds CP length in TDD?

posted Apr 17, 2018 by Jaganathan

0 votes

2 answers

Destination-Host AVP with DRA in between

posted Apr 15, 2018 by Aahan Mozumdar

+1 vote

1 answer

LTE: Is it necessary to establish bearer with QCI "5" to support transmission of SIP signalling messages ?

posted Apr 13, 2018 by Harshita

0 votes

0 answers

LTE: Apart from VoLTE call setup, which are all other scenarios when network may initiate dedicated bearer setup ?

posted Apr 13, 2018 by Harshita

+1 vote

1 answer

How eNodeB will calculate the mobility of UE (speed)?

posted Apr 12, 2018 by Manohar Venkat.ch

0 votes

1 answer

What is PDCP configuration for SRB1 and 2 ?

posted Apr 11, 2018 by Jaganathan

+1 vote

0 answers

How can send diameter commands in two sessions?

posted Apr 11, 2018 by anonymous

0 votes

0 answers

getting "PHASE_COMP_OFF" alarm at LTE 700 band at Ericsson enodeb and FDD are down for 700 only

posted Apr 9, 2018 by anonymous

+1 vote

2 answers

In RACH how path loss effects selection of group A or group B preamble??

posted Apr 9, 2018 by Basavaraj Kamagond

+1 vote

LTE: Which UDP port number is reserved for PFCP protocol in EPC CUPS architecture ? [MCQ]

posted Apr 9, 2018 by Vikram Singh

+1 vote

0 answers

Is it mandatory to use same numerology for both UL and DL in NR?

posted Apr 6, 2018 by Jaganathan

+1 vote

0 answers

Will ENB gives grant for each UL LC or gives aggregated grant for all the LC's in NR?

posted Apr 6, 2018 by Ankit Mishra

+2 votes

0 answers

What are layer2 and layer3 specifications for LTE CAT-M.? What is the version?

posted Apr 4, 2018 by Suchakravarthi Sripathi

+1 vote

1 answer

What is the modulation scheme available in NR ? What is the max QAM available in NR?

posted Apr 4, 2018 by Jaganathan

0 votes

1 answer

What information does SIB carries about other SI's?

posted Apr 2, 2018 by Ankit Mishra

+1 vote

0 answers

Operating band is specified in SIB1 downlink channel upon which UE receives system info, why?

posted Apr 2, 2018 by Yeshwanth

+1 vote

3 answers

LTE: Is it necessary VoLTE call packets should use QCI 1 bearer for transmission ?

posted Mar 30, 2018 by Harshita

+2 votes

0 answers

How many NB-IOT UE does 20Mhz ENB supports ?

posted Mar 29, 2018 by Jaganathan

+1 vote

0 answers

It is possible for the operator to define the access classes that are stored in the SIM / USIM card remotely?

posted Mar 28, 2018 by anonymous

+1 vote

1 answer

How multiple Nb-Iot UE gets sync signal form ENB ?

posted Mar 28, 2018 by Jaganathan

+2 votes

0 answers

5G: Is it necessary to implement different radio interfaces each for different n/w slice supported in NG-RAN node ?

posted Mar 28, 2018 by Vikram Singh

+2 votes

0 answers

5G: How a device come to know RAN network supports the slice to which it want to connect ?

posted Mar 28, 2018 by Vikram Singh

+1 vote

0 answers

LTE: Is it possible to a create network slice through LTE network including CORE and RAN both ?

posted Mar 28, 2018 by Harshita

0 votes

1 answer

Diameter: Getting a good amount of "DIAMETER_INVALID_AVP_VALUE" errors in our network?

posted Mar 27, 2018 by anonymous

+1 vote

0 answers

Which 3gpp specification I can refer which can help on finding uplink and downlink CA supported bands?

posted Mar 27, 2018 by anonymous

+2 votes

0 answers

How UE gets the TM information in 5G and How many TM modes available in NR?

posted Mar 26, 2018 by Himani

+2 votes

1 answer

5G: How can we compare 5G AMF selection at NG-RAN node to MME selection at LTE-eNodeB ?

posted Mar 25, 2018 by Harshita

+2 votes

0 answers

5G: Difference between TAI slice support and AMF slice support ?

posted Mar 25, 2018 by Harshita

+1 vote

0 answers

5G: What is the use of RRC inactive assistance information IE sent by AMF in ICS Request message ?

posted Mar 24, 2018 by Vikram Singh

+2 votes

1 answer

Why do we need TPC command for SRS transmission in NR?

posted Mar 23, 2018 by Jaganathan

+1 vote

0 answers

What is the use of PDSCH-TO-HARQ-feedback in 5G?

posted Mar 22, 2018 by Jaganathan

+2 votes

1 answer

I am trying to decode RRC messages using wireshark. But wireshark is interpreting all RRC messages as DL_CCCH messages.

posted Mar 22, 2018 by Jagadish Nagaraddi

0 votes

0 answers

Why there is no scrambling sequence available for other channels like PDCCH,PHICH in 36.211 ?

posted Mar 21, 2018 by Charan Shah

+1 vote

0 answers

5G: How does Access and Management Function i.e. AMF select Session Management Function i.e. SMF ?

posted Mar 21, 2018 by Harshita

+2 votes

3 answers

5G: Why control and user plane separation is required ? And how it is going to bring better user experience ?

posted Mar 21, 2018 by Harshita

+1 vote

1 answer

5G: What would be the advantage of a network consists of ng-eNB and 5G -core ?

posted Mar 21, 2018 by Harshita

0 votes

0 answers

Is there any limit of allocating scrambling codes to different UEs in LTE?

posted Mar 20, 2018 by anonymous

0 votes

0 answers

LTE: How LAA affects primary KPIs and how those are measured for the TDD cells?

posted Mar 20, 2018 by anonymous

+1 vote

0 answers

Does ENB sends CRM and connection setup complete in same SF ?

posted Mar 19, 2018 by Himani

+1 vote

1 answer

Is it possible , that secondary cell (scell) to a UE will be the primary cell(Pcell) to another UE ?

posted Mar 19, 2018 by Dhianesh

0 votes

1 answer

contention free preambles lies under which preamble group ?

posted Mar 19, 2018 by Himani

0 votes

2 answers

what will happen to the allocated grant when UE got grant and handover to neighbor cell ?

posted Mar 19, 2018 by Dhianesh

+3 votes

1 answer

5G: How handover will work in 5G network ? Is it same as LTE ?

posted Mar 18, 2018 by Vikram Singh

+2 votes

1 answer

What is Rach less HO ?

posted Mar 18, 2018 by Veer Pal Singh Yadav

+1 vote

1 answer

LTE: In which scenarios, an eNodeB initiates PDCCH order ?

posted Mar 17, 2018 by Harshita

+1 vote

1 answer

What is the behavior if ENB gives less grant in RACH response ?

posted Mar 16, 2018 by Himani