Recent posts under tag lte

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What will be the behaviour of EnodeB with MME after receiving RRC Connection Reestablishment Complete message???

posted Aug 7, 2017 by Hamesh Raja M A

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How does device camps on vowifi with airplane mode ON and connected to wifi

posted Aug 7, 2017 by anonymous

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If after attach ENB shut down and again came into connected mode then how it will get connected to UE(which msg)?

posted Aug 7, 2017 by anonymous

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What is transparent MAC in 5G and which scenario it is used?

posted Aug 7, 2017 by Jaganathan

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What is Activation/Deactivation of PDCP duplication MAC CE?

posted Aug 4, 2017 by Jaganathan

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Why SPS is mostly used in UL communication, Why not widely used in DL communication?

posted Aug 4, 2017 by Sakshi Rai

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what is preallocated uplink grant? what is the mechanism and need of this?

posted Aug 4, 2017 by Prabhavathi

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What is padding BSR and why it is needed?

posted Aug 3, 2017 by Dheerendra

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Why multiple SR configuration is needed in 5G/NR?

posted Aug 3, 2017 by Jaganathan

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Can anyone help me out in understanding carrier aggregation in LTE ? in depth

posted Aug 3, 2017 by anonymous

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Can UE detects paging message in dedicated mode?

posted Aug 3, 2017 by Shyam Singh Pal

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Whether MME send paging message to all ENB or it sends to particular ENB which has corresponding UE?

posted Aug 2, 2017 by Sakshi Rai

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How many no of preambles available for RACH in 5G NR cell?

posted Aug 2, 2017 by Jaganathan

+2 votes

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How contention will be resolved in case ENB selected preamble?

posted Aug 1, 2017 by Himani

+2 votes

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why context ID and Global Context ID both are needed? what its purpose?

posted Aug 1, 2017 by Chakri

+2 votes

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Ho many times can we re-transmit the RACH preamble?

posted Aug 1, 2017 by Ankit Mishra

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Why ROHC is not supported in split bearer in 5G?

posted Jul 31, 2017 by Jaganathan

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Why MIB is carrying BW information?

posted Jul 31, 2017 by Ankit Mishra

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how the pdcp routes the different packets belongs to different services to different DRBs?

posted Jul 31, 2017 by anonymous

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Why Broadcast message is divided into two channel?

posted Jul 28, 2017 by Akhilesh

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LTE Advanced: What is the Destination group ID and prose layer-2 Destination ID? where these IDs are used?

posted Jul 28, 2017 by anonymous

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Is it possible to aggregate two different ENB with two different Bands in LTE?

posted Jul 27, 2017 by Akhilesh

+2 votes

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Without MAC HARQ configuration how MSG3 is receiving ACK/NACK form ENB ,

posted Jul 27, 2017 by Akhilesh

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How eNB get know about reason for paging

posted Jul 27, 2017 by anonymous

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What could be reasons for x2 setup failure in LTE network?

posted Jul 27, 2017 by anonymous

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If One PS call is already established in LTE network and same UE are making a cs call , what happened ?

posted Jul 27, 2017 by Shyam Singh Pal

+2 votes

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When will mme change the security keys and send it in ue context modification request message

posted Jul 26, 2017 by Naren Nishad

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1 answer

Is it mandatory to read PCFICH in every SF?

posted Jul 26, 2017 by Bharat Kumar

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If sidelink channel uses UL resource then who will schedule this resource?

posted Jul 26, 2017 by Jaganathan

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CSFB: How signalling messages are exchanged in CSFB when UE moves from LTE to Legacy network ?

posted Jul 26, 2017 by Harshita

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Can anyone tell me the only difference and views between CSFB and VOLTE?

posted Jul 25, 2017 by anonymous

+2 votes

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How UE will get to know no of antenna supported by ENB?

posted Jul 25, 2017 by Charan Shah

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What is RAN based tracking and where it will be useful?

posted Jul 25, 2017 by Jaganathan

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What is SRB1/BIS in LTE and where it will be usefull?

posted Jul 24, 2017 by Jaganathan

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How reference signal power will be extracted from CSRS and how it will be processed in PHY layer?

posted Jul 24, 2017 by Sakshi Rai

+2 votes

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LTE: Is it possible to share an eNodeB among multiple operators dynamically ?

posted Jul 22, 2017 by Vikram Singh

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How to reduce the CSFB setup time in LTE network (CFSB with the S3 interface)

posted Jul 21, 2017 by anonymous

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LTE: Like default Radio configurations for SRB1 & SRB2 in RRC specs, Is there any default config for DRB?

posted Jul 21, 2017 by anonymous

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Is there any paging in SCG ENB?If yes how the RRC state will be in SENB?

posted Jul 21, 2017 by Jaganathan

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How RLF scenario will be handled at Secondary cell group?

posted Jul 21, 2017 by Jaganathan

+3 votes

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Why do we have sequence number in RLC and PDCP?

posted Jul 20, 2017 by Himani

+2 votes

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How many no of TB's can be transmitted per TTI in LTE?

posted Jul 20, 2017 by Rohit Verma

+2 votes

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which band in fdm technology introduces spectral inefficiency?

posted Jul 20, 2017 by anonymous

+3 votes

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LTE: On what basis MME prepare list of TAI for an UE when it attach to the network ?

posted Jul 20, 2017 by Harshita

+3 votes

1 answer

Is TAC (tracking area code) required for Mme configuration?

posted Jul 19, 2017 by anonymous

+2 votes

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Who will decide which application data should flow into which bearer?

posted Jul 19, 2017 by Bharat Kumar

+2 votes

1 answer

What is BRS in 5g(NR) and what is the use of BRS?

posted Jul 19, 2017 by Jaganathan

+2 votes

1 answer

What is the use of UE-to-Network relay in sidelink communication?

posted Jul 19, 2017 by Prabhavathi

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How receiving UE knows where to listen for PSCCH in sidelink communication ?

posted Jul 19, 2017 by Prabhavathi

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what is difference between UEID IE of rrc connection request and IMSI ?

posted Jul 19, 2017 by anonymous