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302

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105

968

VoLTE Call Setup Flow - PDN Connection (including PCAP)

08/01/2018

91,690

Technical Documents

Core Network Evolution - How CUPS changes the Call Flow?

Karim Rabie Senior PS Core / EPC Consultant at Saudi Telecom Company All Articles by Karim Rabie How to contribute your article to Netmanias.com ! List of Contributors...

04/02/2018

94,444

Technical Documents

PCRF is an important Entity in LTE Network

Paul Dayanidhi Head Technical and Business Development at Nicheken Technologies Private Limited All Articles by Paul Dayanidhi How to contribute your article to Netmanias.com ! List of Contributors...

04/20/2017

90,555

Technical Documents

Policy and Charging Rules Function (PCRF) in LTE EPC Core Network Technology

Mojtaba HOUSHMAND Policy, AAA & Charging solutions Technical Manager at dorTECH All Articles by Mojtaba HOUSHMAND How to contribute your article to Netmanias.com ! List of Contributors...

12/08/2016

308,659

Technical Documents

LTE IP Address Allocation Schemes II: A Case for Two Cities

Table of Contents 1. Introduction 2. Types of IP Address Allocation 3. Dynamic IP Address Allocaion 4. Static IP Address Allocation 5. Closing 1. Introduction The previous document, IP Address Allocation Schemes I [1], has covered the basic allocation procedures, explaining how an LTE network allocates IP address to a user when the user...

02/17/2015

86,170

Technical Documents

LTE IP Address Allocation Schemes I: Basic

Table of Contents 1. Introduction 2. Types of IP Address Allocation 3. Dynamic IP Address Allocaion 4. Static IP Address Allocation 5. Closing 1. Introduction LTE networks are all-IP networks. This means that they deliver all user traffic in IP packets, and provide users with “always-on IP connectivity”. When UE joins a...

02/13/2015

194,076

Technical Documents

LTE Charging I: Offline

Table of Contents 1. Introduction 2. Overview of Offline Charging 3. Offline Charging Procedure 4. Parameters for Charging Data Record (CDR) 5. Closing 1. Introduction In the previous PCC document [1], our main focus in discussing PCC rules was on QoS rules. Now, this document puts more focus on charging rules, specifically offline charging rules. In...

02/02/2015

106,398

Technical Documents

LTE Policy and Charging Control (PCC)

Table of Contents 1. Introduction 2. PCC Rules 3. PCC Procedures 4. How Policy Control Affects the Way IP Packet Flows are Handed 5. EPS Entity Information 6. Closing 1. Introduction To use LTE services, a user must purchase an LTE device, sign up for an account with his mobile operator, and then select the service types and plan he wants. Then, to...

08/22/2014

170,586

Technical Documents

EMM Procedure 10 & 11. Move to Another City and Attach

Table of Contents 1. Introduction 2. EMM Case 10. Move to Another City 3. EMM Case 11. Initial Attach in Another City 4. EPS Entity Information 5. Closing 1. Introduction UE attempts a handover or cell reselection when the received signal strength from its serving cell becomes weak as it moves. If there is no neighbor cell at all near the travelling UE,...

06/11/2014

96,466

Technical Documents

EMM Procedure 8 & 9. Handover and Cell Reselection with TAU

Table of Contents 1. Introduction 2. EMM Case 8. Handover with TAU 3. EMM Case 9. Cell Reselection without TAU 4. EPS Entity Information 5. Closing 1. Introduction When UE accesses the network, a group of Tracking Areas (TAs) is assigned by the network (MME) through the Tracking Area Identity (TAI) list. The UE then can move within these TAs without hav...

05/07/2014

113,440

Technical Documents

EMM Procedure 7. Cell Reselection without TAU

Table of Contents 1. Introduction 2. Cell Reselection: Required System Information and Criteria 2.1 Overview of Cell Reselection Procedure 2.2 System Information 2.3 Cell Reselection Criteria 3. Cell Reselection without TAU 4. EPS Entity Information: Before/After Cell Reselection without TAU 5. Closing 1. Introduction Through the three compa...

04/23/2014

107,329

Technical Documents

EMM Procedure 6. Handover without TAU - Part 3. S1 Handover

Table of Contents 1. Introduction 2. Concept of S1 Handover 2.1 S1 Protocol Stacks 2.2 S1AP Procedures and Messages Relating to Handover 2.3 S1 Handover Procedure at a Glance 2.4 UE State and Connection Information Before and After S1 handover 3. Procedure of S1 Handover 4. EPS Entity Information: Before/After S1 Handover 5. Closing 1. Intro...

04/08/2014

134,750

Technical Documents

EMM Procedure 6. Handover without TAU - Part 2. X2 Handover

Table of Contents 1. Introduction 2. Concept of X2 Handover 2.1 X2 Protocol Stacks 2.2 X2AP Functions 2.3 X2 Messages Relating to Mobility Management Function 2.4 X2 Handover Procedure at a Glance 2.5 UE State and Connection Information Before and After X3 handover 3. Procedure of X2 Handover 4. EPS Entity Information: Before/After X2 Handover 4.1 Before...

03/21/2014

138,948

Technical Documents

EMM Procedure 6. Handover without TAU - Part 1. Overview of LTE Handover

Table of Contents 1. Introduction 2. Overview of LTE Handover 2.1 Measurement 2.2 Handover Decision 2.3 Handover Prodedure 2.4 Handover Interruption Time 2.5 Mobility Robustness Optimization 3. Closing 1. Introduction This document describes the handover procedure defined as EMM Case 6 in our technical document, “Eleven EMM C...

03/06/2014

105,056

Technical Documents

EMM Procedure 5. Periodic TAU

Table of Contents 1. Introduction 2. Concept of Periodic TAU 3. Procedure of Periodic TAU 4. EPS Entity Information: Before/After Periodic TAU 4.1 Before Periodic TAU 4.2 After Periodic TAU 5. Closing 1. Introduction This document describes the periodic TAU (Tracking Area Update) procedure defined as EMM Case 5 in our technical document, “...

02/19/2014

117,670

Technical Documents

EMM Procedure 4. Service Request

Table of Contents 1. Introduction 2. Cases of Service Request 3. UE-triggered Service Request 4. Network-triggered Service Request 5. EPS Entity Information: Before/After Service Request 6. Closing 1. Introduction This document describes the service request procedure defined as EMM Case 4 in our technical document, “Eleven EMM Cases in an EMM Sce...

02/09/2014

170,822

Technical Documents

EMM Procedure 3. S1 Release

Table of Contents 1. Introduction 2. S1 Release due to User Inactivity 3. EPS Entity Information: Before/After S1 Release 3.1 Before S1 Release 3.2 After S1 Release 4. Closing 1. Introduction This document will describe procedures for releasing S1 connection when a UE becomes inactive, as in EMM Case 3 defined in our technical document, “Eleven...

01/25/2014

128,001

Technical Documents

GSMA RCS Blackbird Overview

Table of Contents 1. Introduction 2. Configuration Provisioning 3. Service Capability Discovery 4. One to One Chat 5. Group Chat 6. File Transfer 7. Geolocation Sharing 8. vCard Exchange 9. Contents Sharing 10. Integrated Messaging 11. IP Voice Call (Voice over Wi-Fi Call) 12. IP Video Call 13. Summary 1. Introductio...

01/22/2014

24,064

Technical Documents

Evolution of GSMA RCS standards

Table of Contents 1. Introduction 2. The advent of IP Messaging Service and evolution towards Converged IP 3. OTT vs Operators 4. Joyn 5. Adoption of CPM architecture in RCS 6. RCS r4 and RCSe merged into RCS r5.x 7. SIMPLE IM 2.0 8. CPM 2.0 9. RCS blackbird 10. Summary 1. Introduction When the GSM Association (GSMA) has specified th...

01/21/2014

30,000

Technical Documents

EMM Procedure 2. Detach

Table of Contents 1. Introduction 2. Cases of Detach 3. UE-initiated Detach 4. MME-initiated Detach 5. HSS-initiated Detach 6. EPS Entity Information: Before/After Detach 7. Closing 1. Introduction This document discusses detach procedures defined as EMM Case 2 in our previous document, “Eleven EMM Cases in an EMM Scenario”[1]. During th...

01/21/2014

181,522

Technical Documents

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