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Questions answered by bart_barton

1 vote
How does the eNodeB discover the S1-U IP address of SGW?
answer Aug 14, 2014
1 vote
Why eNodeB need to send downlink power allocation parameters P-A and P-B to Mobile?
answer Aug 11, 2014
2 votes
Release default bearer without releasing dedicated bearer?
answer Jul 8, 2014
2 votes
Would there be an advantage of X2 based handover over S1 based handover, when X2 physically spans the same path as S1?
answer Jun 14, 2014
0 votes
Which entity triggers X2-Setup?
answer Jun 12, 2014
1 vote
LTE: Does TAU procedure need authentication of UE each time ?
answer Jun 11, 2014
0 votes
How the Power Save Operation performs in LTE?
answer Jun 9, 2014
2 votes
In LTE network when MME triggers for tracking area update to UE?
answer Jun 8, 2014
1 vote
LTE : Why does UE maintain various lists ?
answer Jun 3, 2014
1 vote
3G plan on LTE Phones?
answer Jun 3, 2014
2 votes
Can same TAC be planned in two different MME?
answer Jun 2, 2014
0 votes
LTE: What does happen when UE does CS fallback in case of receiving voice call ?
answer May 29, 2014
3 votes
LTE: What does the significance of presence of "user location information" within the Create session request message ?
answer May 29, 2014
1 vote
Why we need small cell in LTE and in 3G? Any difference in capacities of small, femto, micro cell?
answer May 28, 2014
0 votes
DIAMETER: When this error code (DIAMETER_UNABLE_TO_COMPLY 5012) will prompt up?
answer May 26, 2014
3 votes
LTE MAC : What is the use of "TPC-PUCCH-RNTI, TPC-PUSCH-RNTI" identifiers ?
answer May 25, 2014
1 vote
LTE-Advanced : In 3GPP Release 11, EPDCCH is introduced. What are going to achieve using EPDCCH ?
answer May 25, 2014
0 votes
Why these terms are explicitly defined IMEI, IMEI-SV and MEID?
answer May 24, 2014
1 vote
What is the Purpose of Using Validity-Time AVP in CCA?
answer May 16, 2014
1 vote
LTE: What can be reason of handover preparation failure ?
answer Apr 23, 2014
4 votes
LTE handover: Why does "TAC" required as part of "Target Id" IE within the forward relocation request message ?
answer Apr 23, 2014
2 votes
DIAMETER: When this error code (DIAMETER_UNABLE_TO_COMPLY 5012) will prompt up?
answer Apr 7, 2014
0 votes
When operator would like to configure S12 interface in place of S4 interface ?
answer Apr 4, 2014
4 votes
LTE: Why PSS and SSS are placed side by side ?
answer Mar 25, 2014
2 votes
LTE: What is the difference between connected mode mobility and idle mode mobility?
answer Mar 25, 2014
1 vote
LTE: In RRC connected mode, when an UE moves from one cell to another cell what messaging happen ?
answer Mar 24, 2014
3 votes
LTE: Does UE send APN information within the Attach Request message ?
answer Mar 24, 2014
0 votes
DIAMETER: How does a node support multiple diameter applications ?
answer Mar 23, 2014
2 votes
How the always-on functionality works in LTE?
answer Mar 21, 2014
1 vote
LTE: Does the bearer(s)/session(s) get deleted when CS fallback happen for an UE?
answer Mar 21, 2014
1 vote
LTE: Does any difference while handling normal attach and emergency attach procedures ?
answer Mar 21, 2014
1 vote
LTE: How trace session procedure works for lte core network ?
answer Mar 21, 2014
0 votes
Which interface is used in a handover between two cells managed by different MMEs?
answer Mar 21, 2014
1 vote
LTE: Why SGSN has interfaces with MME and SGW only not with PGW ?
answer Mar 21, 2014
1 vote
LTE: How an source eNodeB come to know about "TAI" of target eNodeB ?
answer Mar 20, 2014
1 vote
What is the role of this network element {Bootstrapping server function (BSF) } in LTE ?
answer Mar 20, 2014
2 votes
LTE S1-AP handover : How does a source mme find out the target mme as part of MME relocation based handover ?
answer Mar 20, 2014
0 votes
LTE: Why does "UE Time Zone IE" send from MME to PGW via SGW ?
answer Mar 20, 2014
1 vote
In case of inter-operator movement of a user. How charging happens ?
answer Mar 20, 2014
0 votes
LTE: Why RSRQ is applicable only in RRC-CONNECTED mode ?
answer Mar 20, 2014
2 votes
LTE: Why does "CS Fallback Indicator" IE present in UE Context Modification Request ?
answer Mar 20, 2014
2 votes
LTE: What does the use of "selectedPLMN-Identity" IE in RRC ConnectionSetupComplete message ?
answer Mar 19, 2014
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