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Alcatel-Lucent Long Term Evolution (LTE)
End-to-End Solution | Release LE3.0
Call Flows with Performance Measurements
418-111-008LE3.0
ISSUE 0.03
FEBRUARY 2011
Alcatel-Lucent – Proprietary
Use pursuant to applicable agreements
Use pursuant to applicable agreements
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Legal notice
Legal notice
Alcatel, Lucent, Alcatel-Lucent and the Alcatel-Lucent logo are trademarks of Alcatel-Lucent. All other trademarks are the property of their respective
owners.
The information presented is subject to change without notice. Alcatel-Lucent assumes no responsibility for inaccuracies contained herein.
Copyright © 2011 Alcatel-Lucent. All rights reserved.
Contains proprietary/trade secret information which is the property of Alcatel-Lucent and must not be made available to, or copied or used by anyone outside
Alcatel-Lucent without its written authorization.
Not to be used or disclosed except in accordance with applicable agreements.
Mandatory Customer Information
Interference information: Part 15 of FCC rules
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the documentation, may cause harmful interference
to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to
correct the interference at his/her own expense.
Security statement
In rare instances, unauthorized individuals make connections to the telecommunications network through the use of remote access features. In such event,
applicable tariffs require the customer to pay all network charges for traffic. Alcatel-Lucent cannot be responsible for such charges and will not make any
allowance or give any credit for charges that result from unauthorized access.
To obtain technical support, documentation, and training or submit feedback:
The ordering number for this document is 418-111-008. To order this or other Alcatel-Lucent information products, the Online Customer Support (OLCS)
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Contents
About this document
Purpose ............................................................................................................................................................................................ viivii
Audience ......................................................................................................................................................................................... viivii
Assumed knowledge .................................................................................................................................................................. viivii
Related information .................................................................................................................................................................... viivii
To obtain technical support, documentation, and training or submit feedback: ................................................. viiiviii
How to comment ........................................................................................................................................................................ viiiviii
1 Introduction
1.1 Call Flows with Performance Measurements .......................................................................................................... 1-11-1
2 Call Flow Diagrams
2.1 Attach Scenarios
2.1.1 Successful Attach Procedure ...................................................................................................................................... 2-12-1
2.1.2 Failed Attach Procedure ............................................................................................................................................... 2-42-4
2.1.3 Failed Attach -- S1 Connection Failure, No Response from MME ............................................................. 2-72-7
2.1.4 Failed Attach -- Initial Context Setup Failure, No answer from the UE .................................................... 2-82-8
2.1.5 Failed Attach -- RRC Security Mode Failure ....................................................................................................... 2-92-9
2.1.6 Failed Attach -- Security Activation Failure or Security Algorithm Not Compatible ......................... 2-102-10
2.1.7 Failed Attach -- Integrity Verification Failure ................................................................................................... 2-122-12
2.1.8 Failed Attach -- RRC Connection Reestablishment ........................................................................................ 2-132-13
2.1.9 Failed Attach -- Initial Context Setup Failure in the eNodeB ...................................................................... 2-152-15
2.1.10 Failed Attach -- Initial Context Setup Failure due to Error in Context SetupRequest from MME
............................................................................................................................................................................................. 2-172-172-17
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2.2 Tracking Area Update Scenarios
2.2.1 Successful TAU with Different MME, Different SGW ................................................................................. 2-192-19
2.2.2 Successful TAU with Same MME, Same SGW ............................................................................................... 2-202-20
2.2.3 Successful TAU with Same MME, Different SGW ........................................................................................ 2-212-21
2.2.4 Failed TAU with Same MME and Same SGW ................................................................................................. 2-232-23
2.2.5 Failed TAU with Different MME, Different SGW .......................................................................................... 2-252-25
2.3 Service Requests Scenarios
2.3.1 Successful Network Initiated Service Request .................................................................................................. 2-282-28
2.3.2 Successful UE Invoked Service Request ............................................................................................................. 2-292-29
2.3.3 Failed UE Invoked Service Request ...................................................................................................................... 2-302-30
2.3.4 Failed UE Invoked Service Request -- No Response from the UE ........................................................... 2-312-31
2.3.5 Failed UE Invoked Service Request -- Security Activation Failure .......................................................... 2-332-33
2.3.6 Failed UE Invoked Service Request -- Integrity Failure ............................................................................... 2-352-35
2.3.7 Failed UE Invoked Service Request -- RRC Connection Reestablishment ............................................ 2-372-37
2.3.8 Failed UE Invoked Service Request -- Initial Context Setup Failure at eNodeB Level .................... 2-392-39
2.3.9 Failed UE Invoked Service Request S1 Connection Failure, No Answer from the MME ................ 2-412-41
2.3.10 Failed Network Initiated Service Request ........................................................................................................ 2-432-43
2.3.11 Failed Network Initiated Service Request -- No Response from the UE .............................................. 2-452-45
2.3.12 Failed Network Initiated Service Request -- Security Activation Failure ............................................. 2-472-47
2.3.13 Failed Network Initiated Service Request -- Integrity Failure .................................................................. 2-492-49
2.3.14 Failed Network Initiated Service Request -- RRC Connection Reestablishment .............................. 2-512-51
2.3.15 Failed Network Initiated Service Request -- Initial Context Setup Failure at eNodeB Level ....... 2-532-53
2.3.16 Failed Network Initiated Service Request -- S1 Connection Failure, No Answer from the MME
............................................................................................................................................................................................. 2-552-552-55
2.4 S1 Release Scenarios
2.4.1 Successful MME Initiated S1 Release ................................................................................................................. 2-572-57
2.4.2 Failed MME Initiated S1 Release .......................................................................................................................... 2-582-58
Contents
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2.5 Detach Scenarios
2.5.1 Successful MME Initiated Detach ......................................................................................................................... 2-592-59
2.5.2 Successful UE Initiated Detach ............................................................................................................................... 2-602-60
2.5.3 Failed MME Initiated Detach .................................................................................................................................. 2-612-61
2.5.4 Failed UE Initiated Detach ....................................................................................................................................... 2-622-62
2.6 Security Function Scenarios
2.6.1 Successful Authentication and NAS Security Activation .............................................................................. 2-632-63
2.6.2 Failed Authentication and NAS Security Activation ....................................................................................... 2-642-64
2.6.3 Successful ME Identity Check ................................................................................................................................ 2-652-65
2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios ................................................................................................................ 2-662-66
2.7.2 Bearer Modification with Bearer QoS Update Scenarios .............................................................................. 2-712-71
2.7.3 Bearer Modification Without Bearer QoS Update Scenarios ....................................................................... 2-762-76
2.7.4 UE Requested Bearer Resource Modification Scenarios .............................................................................. 2-802-80
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios ................................................................................. 2-822-82
2.7.6 Bearer Deactivation Scenarios ................................................................................................................................ 2-892-89
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios ............................................................................................................................................. 2-932-93
2.8.2 S1 Handover Scenarios ............................................................................................................................................ 2-1092-109
2.8.3 LTE to eHRPD Active Handover (Non-optimized with LTE Measurement) ...................................... 2-1312-131
2.9 Multiple PDN Scenarios
2.9.1 Successful UE requested PDN Connectivity ................................................................................................... 2-1322-132
2.9.2 Failed UE Requested PDN Connectivity .......................................................................................................... 2-1342-134
2.9.3 Failed UE Requested PDN Connectivity -- eNodeB ERAB Setup Failure .......................................... 2-1362-136
2.9.4 Failed UE Requested PDN Connectivity -- RRC Reconfiguration Refused by the UE .................. 2-1372-137
2.9.5 Failed UE Requested PDN Connectivity -- No Answer from the UE .................................................... 2-1382-138
Contents
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2.9.6 PDN Disconnection Scenarios .............................................................................................................................. 2-1392-139
2.10 RRC Connection Request Scenarios
2.10.1 RRC Connection Request -- Sunny Day ........................................................................................................ 2-1432-143
2.10.2 RRC Connection Request -- No Answer from the UE .............................................................................. 2-1442-144
2.10.3 RRC Connection Request -- MME Overload 1 ........................................................................................... 2-1452-145
2.10.4 RRC Connection Request -- MME Overload ............................................................................................... 2-1462-146
2.10.5 RRC Connection Request -- eNodeB Failure ............................................................................................... 2-1472-147
Index
Contents
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About this documentAbout this document
Purpose
This document provides the call flows for LTE performance measurements for the
eNodeB, MME, and SGW in the Alcatel-Lucent LTE system. Performance measurements
provide the basis for performance evaluation, capacity engineering, and help in
troubleshooting.
Note: Not all LTE PMs are included in the call flows.
Audience
This document is intended for use by engineers, technicians, and system administrators
who are responsible for wireless network monitoring, performance, trouble shooting,
Radio Frequency (RF) optimization, and configuration.
Assumed knowledge
The reader must be familiar with:
• General knowledge of eNodeB and MME performance measurement counters
• Understanding of LTE elements and procedures as specified in 3GPP TS 23.401
v8.6.0
• Understanding of NAS Messaging as specified in 3GPP TS 24.301
• Understanding of Tunneling messaging as specified in 3GPP TS 29.274.
Basically, the reader should have an understanding of the performance measurements and
an understanding of the LTE procedures that make up the call flows.
Related information
Refer to the Alcatel-Lucent LTE Solution | LE3.0 Operations, Administration, and
Maintenance document, 418-111-001 for a description of LTE and the End-to-End LTE
Solution.
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To obtain technical support, documentation, and training or submit feedback:
The Online Customer Support (OLCS) web site,
(https://support.alcatel-lucent.com)
provides access to technical support, related documentation, related training, and
feedback tools. The site also provides account registration for new users.
How to comment
Alcatel-Lucent has made every effort to ensure that this information product meets your
needs. Alcatel-Lucent is interested in your comments and suggestions to improve this
information product. You may submit comments and suggestions on this and other
Alcatel-Lucent training and information products via:
• The Internet
• Facsimile
Via the Internet
To submit comments via the Internet, please visit the "Talk to Lucent" web site at:
(http://www.lucent-info.com/comments)
Via e-mail
To submit comments via e-mail, please send your message to:
ctiphotline@lucent.com
About this document
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1 1Introduction
1.1 Call Flows with Performance Measurements
Overview
This document provides the call flows for LTE performance measurements for the
eNodeB, MME, and SGW in the Alcatel-Lucent LTE system. Performance measurements
provide the basis for performance evaluation, capacity engineering and help in
troubleshooting. To understand the meaning of these performance measurements, it is
necessary to understand the relative sequence of pegging these measurements. Call flows
provide useful context for showing the sequence of events and when the PMs are pegged
under what conditions.
The scenarios contained herein are selected sunny and rainy day scenarios. 3GPP2
Handovers are covered in this version. Handovers to 3GPP will be provided in a future
version of this document. Note that not all of the LTE PMs are included in the call flows.
The scope of this document includes PMs for eNodeB, MME, and SGW. Call flows are
based on scenarios defined in 3GPP TS 23.401. Maintenance actions that result in specific
PMs being pegged are not covered in this document.
For a complete list of eNodeB PMs, please refer to document 418-000-035,
Alcatel-Lucent 9412 eNodeB Counters Reference Guide.
For a complete list of MME PMs, please refer to document 418-111-209, Alcatel-Lucent
9471 MME Observation Counters.
For a complete list of SGW PMs, please refer to document 418-111-xxx (to be
determined).
Guide to the Document
The diagrams in the document indicate where PMs are pegged in the eNodeB, MME, and
SGW. The eNodeB PMs are in the green ovals in the diagrams. The MME PMs are blue.
And the SGW PMs are in purple. Triggers for pegging PM counts may be receipt of a
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particular message or the sending of a particular message, as shown in the example below
for the eNodeB counts. Also, sometimes more than one PM may be pegged at the same
point in the call flow, such as in the MME oval.
The following is a sample diagram provided only to show how PMs are represented.
Legend:
eNodeB PMs are represented in the green text.
MME PMs are represented in the blue text.
SGW PMs are represented in the purple text.
FAILURE SCENARIOS: The call flows for failure scenarios depict where in the call
flow certain errors can occur and the corresponding failure counters that are pegged as a
result of the failure. Most of the failure call flows show multiple error scenarios.
Typically, if the error occurs and the call flow ends at that point, an EXIT will be shown
in the call flow. This indicates that the rest of the call flow would not continue. If the error
does not occur, the success counter would be pegged (refer to success scenarios) and the
call flow continues until if/when it encounters another error. In some cases, a failure does
not end the call flow, in which case, a Continue will be shown in the call flow.
Introduction 1.1 Call Flows with Performance Measurements
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2 2Call Flow Diagrams
2.1 Attach Scenarios
2.1.1 Successful Attach Procedure
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.1 Successful Attach Procedure
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.1 Successful Attach Procedure
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2.1.2 Failed Attach Procedure
Call Flow Diagrams
2.1 Attach Scenarios
2.1.2 Failed Attach Procedure
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.2 Failed Attach Procedure
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.2 Failed Attach Procedure
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2.1.3 Failed Attach -- S1 Connection Failure, No Response
from MME
Call Flow Diagrams
2.1 Attach Scenarios
2.1.3 Failed Attach -- S1 Connection Failure, No Response
from MME
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2.1.4 Failed Attach -- Initial Context Setup Failure, No answer
from the UE
Call Flow Diagrams
2.1 Attach Scenarios
2.1.4 Failed Attach -- Initial Context Setup Failure, No
answer from the UE
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2.1.5 Failed Attach -- RRC Security Mode Failure
Call Flow Diagrams
2.1 Attach Scenarios
2.1.5 Failed Attach -- RRC Security Mode Failure
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2.1.6 Failed Attach -- Security Activation Failure or Security
Algorithm Not Compatible
Call Flow Diagrams
2.1 Attach Scenarios
2.1.6 Failed Attach -- Security Activation Failure or Security
Algorithm Not Compatible
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.6 Failed Attach -- Security Activation Failure or Security
Algorithm Not Compatible
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2.1.7 Failed Attach -- Integrity Verification Failure
Call Flow Diagrams
2.1 Attach Scenarios
2.1.7 Failed Attach -- Integrity Verification Failure
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2.1.8 Failed Attach -- RRC Connection Reestablishment
Call Flow Diagrams
2.1 Attach Scenarios
2.1.8 Failed Attach -- RRC Connection Reestablishment
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.8 Failed Attach -- RRC Connection Reestablishment
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2.1.9 Failed Attach -- Initial Context Setup Failure in the
eNodeB
Call Flow Diagrams
2.1 Attach Scenarios
2.1.9 Failed Attach -- Initial Context Setup Failure in the
eNodeB
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.9 Failed Attach -- Initial Context Setup Failure in the
eNodeB
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2.1.10 Failed Attach -- Initial Context Setup Failure due to
Error in Context SetupRequest from MME
Call Flow Diagrams
2.1 Attach Scenarios
2.1.10 Failed Attach -- Initial Context Setup Failure due to
Error in Context SetupRequest from MME
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Call Flow Diagrams
2.1 Attach Scenarios
2.1.10 Failed Attach -- Initial Context Setup Failure due to
Error in Context SetupRequest from MME
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2.2 Tracking Area Update Scenarios
2.2.1 Successful TAU with Different MME, Different SGW
Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.1 Successful TAU with Different MME, Different SGW
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2.2.2 Successful TAU with Same MME, Same SGW
Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.2 Successful TAU with Same MME, Same SGW
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2.2.3 Successful TAU with Same MME, Different SGW
Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.3 Successful TAU with Same MME, Different SGW
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Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.3 Successful TAU with Same MME, Different SGW
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2.2.4 Failed TAU with Same MME and Same SGW
Note: This call flow diagram is missing eNodeB counters.
Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.4 Failed TAU with Same MME and Same SGW
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Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.4 Failed TAU with Same MME and Same SGW
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2.2.5 Failed TAU with Different MME, Different SGW
Note: This call flow diagram is missing eNodeB counters.
In these scenarios, there are some checks that the MME does to determine if the request is
“Inter MME and Inter SGW”. If failures occur before those checks, then the “InterMME”
and “InterSGW” counters are not pegged.
Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.5 Failed TAU with Different MME, Different SGW
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Call Flow Diagrams
2.2 Tracking Area Update Scenarios
2.2.5 Failed TAU with Different MME, Different SGW
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....................................................................................................................................................................................................................................
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2.3 Service Requests Scenarios
2.3.1 Successful Network Initiated Service Request
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.1 Successful Network Initiated Service Request
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2.3.2 Successful UE Invoked Service Request
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.2 Successful UE Invoked Service Request
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2.3.3 Failed UE Invoked Service Request
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.3 Failed UE Invoked Service Request
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2.3.4 Failed UE Invoked Service Request -- No Response from
the UE
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.4 Failed UE Invoked Service Request -- No Response
from the UE
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.4 Failed UE Invoked Service Request -- No Response
from the UE
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2.3.5 Failed UE Invoked Service Request -- Security Activation
Failure
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.5 Failed UE Invoked Service Request -- Security
Activation Failure
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.5 Failed UE Invoked Service Request -- Security
Activation Failure
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2.3.6 Failed UE Invoked Service Request -- Integrity Failure
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.6 Failed UE Invoked Service Request -- Integrity Failure
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.6 Failed UE Invoked Service Request -- Integrity Failure
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2.3.7 Failed UE Invoked Service Request -- RRC Connection
Reestablishment
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.7 Failed UE Invoked Service Request -- RRC Connection
Reestablishment
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.7 Failed UE Invoked Service Request -- RRC Connection
Reestablishment
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2.3.8 Failed UE Invoked Service Request -- Initial Context
Setup Failure at eNodeB Level
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.8 Failed UE Invoked Service Request -- Initial Context
Setup Failure at eNodeB Level
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.8 Failed UE Invoked Service Request -- Initial Context
Setup Failure at eNodeB Level
....................................................................................................................................................................................................................................
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2.3.9 Failed UE Invoked Service Request S1 Connection
Failure, No Answer from the MME
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.9 Failed UE Invoked Service Request S1 Connection
Failure, No Answer from the MME
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.9 Failed UE Invoked Service Request S1 Connection
Failure, No Answer from the MME
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2.3.10 Failed Network Initiated Service Request
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.10 Failed Network Initiated Service Request
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.10 Failed Network Initiated Service Request
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2.3.11 Failed Network Initiated Service Request -- No
Response from the UE
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.11 Failed Network Initiated Service Request -- No
Response from the UE
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.11 Failed Network Initiated Service Request -- No
Response from the UE
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2.3.12 Failed Network Initiated Service Request -- Security
Activation Failure
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.12 Failed Network Initiated Service Request -- Security
Activation Failure
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.12 Failed Network Initiated Service Request -- Security
Activation Failure
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2.3.13 Failed Network Initiated Service Request -- Integrity
Failure
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.13 Failed Network Initiated Service Request -- Integrity
Failure
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.13 Failed Network Initiated Service Request -- Integrity
Failure
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2.3.14 Failed Network Initiated Service Request -- RRC
Connection Reestablishment
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.14 Failed Network Initiated Service Request -- RRC
Connection Reestablishment
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.14 Failed Network Initiated Service Request -- RRC
Connection Reestablishment
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2.3.15 Failed Network Initiated Service Request -- Initial
Context Setup Failure at eNodeB Level
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.15 Failed Network Initiated Service Request -- Initial
Context Setup Failure at eNodeB Level
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.15 Failed Network Initiated Service Request -- Initial
Context Setup Failure at eNodeB Level
....................................................................................................................................................................................................................................
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2.3.16 Failed Network Initiated Service Request -- S1
Connection Failure, No Answer from the MME
Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.16 Failed Network Initiated Service Request -- S1
Connection Failure, No Answer from the MME
....................................................................................................................................................................................................................................
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Call Flow Diagrams
2.3 Service Requests Scenarios
2.3.16 Failed Network Initiated Service Request -- S1
Connection Failure, No Answer from the MME
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2.4 S1 Release Scenarios
2.4.1 Successful MME Initiated S1 Release
Call Flow Diagrams
2.4 S1 Release Scenarios
2.4.1 Successful MME Initiated S1 Release
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2.4.2 Failed MME Initiated S1 Release
Call Flow Diagrams
2.4 S1 Release Scenarios
2.4.2 Failed MME Initiated S1 Release
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2.5 Detach Scenarios
2.5.1 Successful MME Initiated Detach
Call Flow Diagrams
2.5 Detach Scenarios
2.5.1 Successful MME Initiated Detach
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2.5.2 Successful UE Initiated Detach
Call Flow Diagrams
2.5 Detach Scenarios
2.5.2 Successful UE Initiated Detach
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2.5.3 Failed MME Initiated Detach
Call Flow Diagrams
2.5 Detach Scenarios
2.5.3 Failed MME Initiated Detach
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2.5.4 Failed UE Initiated Detach
Call Flow Diagrams
2.5 Detach Scenarios
2.5.4 Failed UE Initiated Detach
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2.6 Security Function Scenarios
2.6.1 Successful Authentication and NAS Security Activation
Call Flow Diagrams
2.6 Security Function Scenarios
2.6.1 Successful Authentication and NAS Security Activation
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2.6.2 Failed Authentication and NAS Security Activation
Call Flow Diagrams
2.6 Security Function Scenarios
2.6.2 Failed Authentication and NAS Security Activation
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2.6.3 Successful ME Identity Check
Call Flow Diagrams
2.6 Security Function Scenarios
2.6.3 Successful ME Identity Check
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2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios
2.7.1.1 Successful Dedicated Bearer Activation
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios
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2.7.2.2 Failed Dedicated Bearer Activation – Failure in Create Bearer Request
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios
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2.7.3.3 Failed Dedicated Bearer Activation – ERAB Setup Failure in eNodeB
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios
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2.7.4.4 Failed Dedicated Bearer Activation – No Answer from the UE
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios
....................................................................................................................................................................................................................................
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2.7.5.5 Failed Dedicated Bearer Activation – RRC Reconfiguration Refused by the UE
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.1 Dedicated Bearer Activation Scenarios
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2.7.2 Bearer Modification with Bearer QoS Update Scenarios
2.7.2.1 Successful Bearer Modification With Bearer QoS Update
The following procedure applies to both PGW-Initiated bearer modification and
UE-Initiated bearer modification (see “2.7.4.1 Successful UE Requested Bearer Resource
Modification” (p. 2-80)).
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.2 Bearer Modification with Bearer QoS Update Scenarios
....................................................................................................................................................................................................................................
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2.7.2.2 Failed Bearer Modification With Bearer QoS Update – Failure in Update Bearer Request
Message
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.2 Bearer Modification with Bearer QoS Update Scenarios
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2.7.2.3 Failed Bearer Modification With Bearer QoS Update – Failure in ERAB Modification at
eNodeB
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.2 Bearer Modification with Bearer QoS Update Scenarios
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2.7.2.4 Failed Bearer Modification With Bearer QoS Update – No Answer from the UE
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.2 Bearer Modification with Bearer QoS Update Scenarios
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2.7.2.5 Failed Bearer Modification With Bearer QoS Update – RrcConnectionReestablishmen-
tRequest Received from the UE
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.2 Bearer Modification with Bearer QoS Update Scenarios
....................................................................................................................................................................................................................................
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2.7.3 Bearer Modification Without Bearer QoS Update
Scenarios
2.7.3.1 Successful Bearer Modification Without Bearer QoS Update
The following procedure applies to both PGW-Initiated bearer modification and
UE-Initiated bearer modification (see “2.7.4.1 Successful UE Requested Bearer Resource
Modification” (p. 2-80)).
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.3 Bearer Modification Without Bearer QoS Update
Scenarios
....................................................................................................................................................................................................................................
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2.7.3.2 Failed Bearer Modification Without Bearer QoS Update -- Failure in Update Bearer
Request Message
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.3 Bearer Modification Without Bearer QoS Update
Scenarios
....................................................................................................................................................................................................................................
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2.7.3.3 Failed Bearer Modification Without Bearer QoS Update – Failure at the eNodeB
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.3 Bearer Modification Without Bearer QoS Update
Scenarios
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2.7.3.4 Failed Bearer Modification Without Bearer QoS Update – Failure in Update Bearer Request
Message
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.3 Bearer Modification Without Bearer QoS Update
Scenarios
....................................................................................................................................................................................................................................
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2.7.4 UE Requested Bearer Resource Modification Scenarios
2.7.4.1 Successful UE Requested Bearer Resource Modification
The rest of the call flow follows as one of the following:
• Dedicated bearer activation as in Section “2.7.1.1 Successful Dedicated Bearer
Activation” (p. 2-66)
• Bearer modification procedure as in “2.7.3.1 Successful Bearer Modification Without
Bearer QoS Update” (p. 2-76)
• Dedicated bearer deactivation procedure as in Section “2.7.6.1 Successful PDN
Gateway initiated bearer deactivation” (p. 2-89).
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.4 UE Requested Bearer Resource Modification Scenarios
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2.7.4.2 Failed UE Requested Bearer Resource Modification -- Failure at PGW
The rest of the call flow follows as one of the following:
• Dedicated bearer activation as in Section “2.7.1.1 Successful Dedicated Bearer
Activation” (p. 2-66)
• Bearer modification procedure as in “2.7.3.1 Successful Bearer Modification Without
Bearer QoS Update” (p. 2-76)
• Dedicated bearer deactivation procedure as in Section “2.7.6.1 Successful PDN
Gateway initiated bearer deactivation” (p. 2-89).
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.4 UE Requested Bearer Resource Modification Scenarios
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2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
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2.7.5.1 Successful HSS Initiated Subscribed QoS Modification
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
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2.7.5.2 Failed HSS Initiated Bearer Modification with QoS Update – Failure in Update Bearer
Request Message
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
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2.7.5.3 Failed HSS Initiated Subscribed QoS Modification – Failure in ERAB Modification at eNodeB
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
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Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
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2.7.5.4 Failed HSS Initiated Subscribed QoS Modification – RrcConnectionReestablishmentRequest
Received from the UE
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
....................................................................................................................................................................................................................................
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2.7.5.5 Failed HSS Initiated Subscribed QoS Modification – No Answer from the UE
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.5 HSS Initiated Subscribed QoS Modification Scenarios
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2.7.6 Bearer Deactivation Scenarios
2.7.6.1 Successful PDN Gateway initiated bearer deactivation
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.6 Bearer Deactivation Scenarios
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2.7.6.2 Failed PDN GW Initiated Bearer Deactivation
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.6 Bearer Deactivation Scenarios
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2.7.6.3 Successful MME initiated bearer deactivation
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.6 Bearer Deactivation Scenarios
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2.7.6.4 Failed MME Initiated Bearer Deactivation
Call Flow Diagrams
2.7 Session Management and QoS Scenarios
2.7.6 Bearer Deactivation Scenarios
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2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
Purpose
X2 handover is always using the same MME (intra-MME).
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.1 Successful X2 handover, same SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.2 Successful X2 handover, different SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.3 Failed X2 HO, Inter SGW – Failure at Target SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.4 Cancelled X2 HO at Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.5 Failed X2 HO, Preparation at Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.6 Failed X2 HO, Radio Link Failure at Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.7 Failed X2 HO, Integrity Failure at Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.8 Failed X2 HO, RRC Connection Reestablishment Received from UE on Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.9 Failed X2 HO, RRC Connection Reestablishment Received from UE on Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.10 Failed X2 HO, X2 Release Timeout at Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.11 Failed X2 HO, Path Switch Failure
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.1.12 Failed X2 HO, S1 Path Switch Timeout
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.1 X2 Handover Scenarios
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2.8.2 S1 Handover Scenarios
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.1 Successful S1 handover, Inter MME Inter SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2 S1 Handover Scenarios
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2.8.2.2 Failed S1 Handover, Inter MME Inter SGW – Reject at Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.3 Successful S1 Handover, Inter MME Intra SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.4 Successful S1 handover, intra MME inter SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.5 Successful S1 handover, intra MME intra SGW
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.6 Failed S1 Handover Preparation at Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.7 Failed S1 Handover -- Radio Link Failure at Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2.8 Failed S1 Handover -- Integrity Failure at Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2 S1 Handover Scenarios
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2.8.2.9 Failed S1 Handover -- S1 Release Timeout at Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2 S1 Handover Scenarios
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2.8.2.10 Failed S1 Handover -- RRC Connection Reestablishment on Source eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2 S1 Handover Scenarios
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2.8.2.11 Failed S1 Handover -- RRC Connection Reestablishment on Target eNodeB
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.2 S1 Handover Scenarios
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2.8.2 S1 Handover Scenarios
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2.8.3 LTE to eHRPD Active Handover (Non-optimized with LTE
Measurement)
Call Flow Diagrams
2.8 X2/S1 Handover Scenarios
2.8.3 LTE to eHRPD Active Handover (Non-optimized with
LTE Measurement)
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2.9 Multiple PDN Scenarios
2.9.1 Successful UE requested PDN Connectivity
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.1 Successful UE requested PDN Connectivity
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2.9 Multiple PDN Scenarios
2.9.1 Successful UE requested PDN Connectivity
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2.9.2 Failed UE Requested PDN Connectivity
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2.9 Multiple PDN Scenarios
2.9.2 Failed UE Requested PDN Connectivity
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2.9 Multiple PDN Scenarios
2.9.2 Failed UE Requested PDN Connectivity
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2.9.3 Failed UE Requested PDN Connectivity -- eNodeB ERAB
Setup Failure
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.3 Failed UE Requested PDN Connectivity -- eNodeB
ERAB Setup Failure
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2.9.4 Failed UE Requested PDN Connectivity -- RRC
Reconfiguration Refused by the UE
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.4 Failed UE Requested PDN Connectivity -- RRC
Reconfiguration Refused by the UE
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2.9.5 Failed UE Requested PDN Connectivity -- No Answer
from the UE
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.5 Failed UE Requested PDN Connectivity -- No Answer
from the UE
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2.9.6 PDN Disconnection Scenarios
2.9.3.1 Successful UE Requested PDN Disconnection
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.6 PDN Disconnection Scenarios
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2.9.3.2 Failed UE Requested PDN Disconnection
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.6 PDN Disconnection Scenarios
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2.9.3.3 Successful MME Requested PDN Disconnection
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.6 PDN Disconnection Scenarios
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2.9.3.4 Failed MME Requested PDN Disconnection
Call Flow Diagrams
2.9 Multiple PDN Scenarios
2.9.6 PDN Disconnection Scenarios
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2.10 RRC Connection Request Scenarios
2.10.1 RRC Connection Request -- Sunny Day
Call Flow Diagrams
2.10 RRC Connection Request Scenarios
2.10.1 RRC Connection Request -- Sunny Day
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2.10.2 RRC Connection Request -- No Answer from the UE
Call Flow Diagrams
2.10 RRC Connection Request Scenarios
2.10.2 RRC Connection Request -- No Answer from the UE
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2.10.3 RRC Connection Request -- MME Overload 1
Call Flow Diagrams
2.10 RRC Connection Request Scenarios
2.10.3 RRC Connection Request -- MME Overload 1
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2.10.4 RRC Connection Request -- MME Overload
Call Flow Diagrams
2.10 RRC Connection Request Scenarios
2.10.4 RRC Connection Request -- MME Overload
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2.10.5 RRC Connection Request -- eNodeB Failure
Call Flow Diagrams
2.10 RRC Connection Request Scenarios
2.10.5 RRC Connection Request -- eNodeB Failure
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Index
A attach, 2-1
Failed Attach Procedure, 2-4
Initial Context Setup Failure
due to Error in Context
SetupRequest from MME,
2-17
Initial Context Setup Failure in
the eNodeB, 2-15
Initial Context Setup Failure,
No answer from the UE, 2-8
Integrity Verification Failure,
2-12
RRC Connection
Reestablishment, 2-13
RRC Security Mode Failure,
2-9
S1 Connection Failure, No
Response from MME, 2-7
Security Activation Failure or
Security Algorithm Not
Compatible, 2-10
successful, 2-1
.............................................................
C call flow diagram format, 1-1
.............................................................
D detach
Failed MME Initiated Detach,
2-61
Failed UE Initiated Detach,
2-62
Successful MME Initiated
Detach, 2-59
Successful UE Initiated
Detach, 2-60
.............................................................
H Handover
LTE to eHRPD, 2-131
S1, 2-109
X2, 2-93
help, vii
.............................................................
M Multiple PDNs
Failed UE Requested PDN
Connectivity, 2-134
Failed UE Requested PDN
Connectivity -- eNodeB
ERAB Setup Failure, 2-136
Failed UE Requested PDN
Connectivity -- No Answer
from the UE, 2-138
Failed UE Requested PDN
Connectivity -- RRC
Reconfiguration Refused by
the UE, 2-137
PDN Disconnection, 2-139
Successful UE requested PDN
Connectivity, 2-132
.............................................................
O overview, call flows, 1-1
.............................................................
R RRC connection request --
eNodeB Failure, 2-147
RRC connection request -- MME
Overload, 2-146
RRC connection request -- MME
Overload 1, 2-145
RRC connection request -- No
Answer from the UE, 2-144
RRC connection request -- Sunny
Day, 2-143
.............................................................
S S1 Release
Failed MME Initiated S1
Release, 2-58
S1 release
Successful MME Initiated S1
Release, 2-57
Security Function
Failed Authentication and NAS
Security Activation, 2-64
Successful Authentication and
NAS Security Activation,
2-63
Successful ME Identity Check,
2-65
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Service Request
e MMEd UE Invoked Service
Request S1 Connection
Failure, No Answer from the
MME, 2-41
Failed Network Initiated
Service Request, 2-43
Failed Network Initiated
Service Request -- Initial
Context Setup Failure at
eNodeB Level, 2-53
Failed Network Initiated
Service Request -- Integrity
Failure, 2-49
Failed Network Initiated
Service Request -- No
Response from the UE, 2-45
Failed Network Initiated
Service Request -- RRC
Connection Reestablishment,
2-51
Failed Network Initiated
Service Request -- S1
Connection Failure, No
Answer from the MME, 2-55
Failed Network Initiated
Service Request -- Security
Activation Failure, 2-47
Failed UE Invoked Service
Request, 2-30
Failed UE Invoked Service
Request -- Initial Context
Setup Failure at eNodeB
Level, 2-39
Failed UE Invoked Service
Request -- Integrity Failure,
2-35, 2-37
Failed UE Invoked Service
Request -- No Response from
the UE, 2-31
Failed UE Invoked Service
Request -- Security
Activation Failure, 2-33
Successful Network Initiated
Service Request, 2-28
Successful UE Invoked Service
Request, 2-29
Session management and QoS
Bearer Deactivation, 2-89
Bearer Modification with
Bearer QoS Update, 2-71
Dedicated Bearer Activation,
2-66
Successful Bearer
Modification Without Bearer
QoS Update, 2-76
UE Requested Bearer Resource
Modification, 2-80
support, vii
.............................................................
T technical support, vii
tracking area update, 2-18
Tracking Area Update
Failed TAU with Different
MME, Different SGW, 2-25
Failed TAU with Same MME
and Same SGW, 2-23
Successful TAU with Different
MME, Different SGW, 2-19
Successful TAU with Same
MME, Different SGW, 2-21
Successful TAU with Same
MME, Same SGW, 2-20
.............................................................
W Wireless Technical Support Center
(WTSC), vii
Index
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