lte training from 3gnets - ultimate expertise

5/25/2018 LTE Training From 3GNets - Ultimate Expertise

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3G Network Solutions

LTE Training

3/6/2014


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3G Network Solutions Pvt. Ltd., #1, 2nd floor, VR Chambers, Kadubisanahalli, Outer Ring Road,

Marathahalli, Bangalore-87, Ph:+918040932221, [email protected]

1. LTE FOR TESTING AND OPTIMIZATION ............................................................................................................ 3

I. LTETECHNOLOGY OVERVIEW .................................................................................................................................... 3II. ACCESS TECHNOLOGY ............................................................................................................................................... 3

a. LTE L1-Air-Interface PHY Stack ....................................................................................................................... 3

b. LTE L2 MAC-RLC-PDCP Stack ........................................................................................................................ 3

c. LTE L3-RRC Idle & Connected.......................................................................................................................... 4

d. LTE Throughput Maximization ....................................................................................................................... 4

e. LTE SON and Optimization ............................................................................................................................. 4

III. CORE TECHNOLOGY ................................................................................................................................................. 5

a. LTE L3-NAS Call Processing Stack/Testing ..................................................................................................... 5

b. Core Interfaces Protocols ............................................................................................................................... 5

c. 3GPP Handover/CSFB/SRVCC ......................................................................................................................... 5

d. Handover/Offload between 3GPP and Non-3GPP ......................................................................................... 6

e. Roaming Testing............................................................................................................................................. 6

f. Diameter: PCRF Interface to PDN-GW Gx for QoS ....................................................................................... 6

g. Diameter: QoS and Charging Overview Gy/Gz/Ro/Rf ................................................................................. 6

IV. BEYOND LTETECHNOLOGY ....................................................................................................................................... 7

a. SIP/SDP ........................................................................................................................................................... 7

b. IMS ................................................................................................................................................................. 7

c. IMS Based VoLTE/SMS/MMS/VoiceMail ........................................................................................................ 7

2. LTE NETWORK/RF DESIGN ............................................................................................................................... 8

I. LTENETWORK DIMENSIONING .................................................................................................................................. 8

a. Dimensioning LTE IP-Suite ............................................................................................................................. 8

b. Dimensioning Interface Links ......................................................................................................................... 8

c. RF Design Process ........................................................................................................................................... 8

II. NETWORK INTEGRATION AND INTERWORKING ............................................................................................................... 8

a. Handovers Intra RAT/PLMN ........................................................................................................................ 8

b. Handovers Inter RAT/PLMN ........................................................................................................................ 8

c. Roaming Guides ............................................................................................................................................. 8

d. IMS Roaming and Interworking ..................................................................................................................... 8


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1. LTE for Testing and Optimization

I.LTE Technology OverviewMobile Network ConceptsLTE SAE Architecture

PHY Overview

L2-MAC-RLC-PDCP Overview

RRC Overview

NAS Overview

DIAMETER Overview

IMS Overview

Call Processing

II.Access Technology

a. LTE L1-Air-Interface PHY Stack

Frame StructureFDD and TDD

OFDMA and SC-FDMA

PHY Layer Architecture

Channels/RS Mapping UL/DL

Phy Layer Processing UL/DL

PHY Layer Procedures

DCI Formats & Interpretation

UL Channels Procedures

DL Channels Procedures

Power Control (TPC)

Random Access Procedure

Resource Allocation and Types

HARQ Procedure and PHICH

Frequency Hopping Procedure

TD-LTE & FDD Considerations

LTE-Advanced and Carrier Aggregation

b. LTE L2

MAC-RLC-PDCP Stack

MAC Architecture

LTE-Advanced MAC Arch.

MAC Logical Channel Prioritization

MAC PDU's and Messages

RLC Architecture and Types

RLC-AM ARQ Procedure


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RLC-TM and RLC-UM Procedures

PDCP Architecture & Functions

c. LTE L3-RRC Idle & ConnectedRRC Idle Mode - Initial

RRC Idle Mode -Cell Reselection

Paging Procedure

Sys Info from eNB

Connection Control

Intra-RAT Handover

Inter-RAT Handover

RRC Measurement Procedures

RRC timing Management

RRC MBMSRF Parameters Analysis

RRC Message formation

d. LTE Throughput Maximization

Understanding throughputControl and Data

What constitutes throughput

What affects throughput

Areas/parameters throughput

Measure throughput

Analyze reasons of current throughputSON and manual parameter recommendation

Tx Modes and MiMo/Diversity Optimization

HARQ/RTT/tti-Bundling Configuration

CQI/MCS/CQI/PMI/RI configuration

MinimizeCall drop, RACH/Access Failure,

MaximizeHandover Success, throughput, MCS/QoS

e. LTE SON and Optimization

SONSelf Organized Network Functions

SON feature enhancements

PCI Automation/Optimization

RACH Automation/Optimization

ICIC control for Heterogenous Networks

Automated dynamic Coverage/Quality

MRO- Mobility Robustness Optimization

Power Saving for eNB

Load-Sharing among eNB


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CoMPCoordinated Multi Point

III.Core Technology

a. LTE L3-NAS Call Processing Stack/Testing

NAS Overview

NAS MM, CM, SM states

NAS Security Overview

NAS L3 Signalling Overview

NAS MM Common Procedures

NAS MM Specific Procedure

NAS CM Procedures

NAS Session Management Overview

NAS MME Initiated SM ProceduresNAS UE Initiated SM Procedures

NAS Messaging Summary

NAS IE's and Message Formats

b. Core Interfaces Protocols

a.i Non-Diameter Interfaces

S1-MME and S1-U (S-GW)- Main eNB to EPC

S101MME and CDMA2000 HRPD interface

S2a, S2b, S2cInterworking with non-3GPP

S3,S4

Interworking with SGSN/GGSN

Gn/GpSGSN, GGSN, S-GW, P-GW Interface

S5,S8S-GW and P-GW GTP/PMIP Interface

S9, Roaming and hPCRF-vPCRF interface

S10, Inter MME

S11=MME to SGW

a.iiDiameter

S6a,S6d,S6b,S7a,S7d, S13HSS/AAA Server, EIR,CS Diameter

S7,Gx,RxP-GW and PCRF, Diameter PCC Rules, QoS Assurance

Gy

Online Prepaid Processing (Billing)

a.iii Other Interfaces

c. 3GPP Handover/CSFB/SRVCC

LTE to UMTS and Vice Versa

LTE to GSM and Vice Versa

CSFB Architecture


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CSFB Call flow

SRVCC Architecture

SRVCC eNB to UTRAN/GERAN

SRVCC GERAN/UTRAN to eNBSRVCC with and without DTM

vSRVCC with Voice+Video Call

SRVCC Call flow

d. Handover/Offload between 3GPP and Non-3GPP

Handover LTEGSM and LTEUMTS

NAS- Non-3GPP with 3GPP architecture

Mobility with S2a, S2b, S2c with GTP, PMIP and DSMIPv6

Mobility with CDMA2000 HRPDLTE

Wifi-Offload LTEWiFiFemtoCell and LIPA Interworking MacroeNBFemto

SIPTO

Handover with IMS/APP as Anchor

e. Roaming Testing

S9 Protocol Stack and Messages

MME-HSS Authentication and validation

S8 differences for Roaming

V-PCRF and H-PCRF Rules

Roaming PCC and Billing

f. Diameter: PCRF Interface to PDN-GW Gx for QoS

PCC Rules

Functional elements - PCRF & PCEF

PCC procedures over Gx reference point

ADC Procedures Over Gx

IP-CAN Session Establishment/Modify/Terminate

Gateway Control Session Procedures

Multiple BBERF Signalling Flows

Application Detection and Enforcement Procedures

Spending limits Procedures over Sy reference point

g. Diameter: QoS and Charging Overview Gy/Gz/Ro/Rf

Common charging architecture and framework

Charging principles

High level Online Charging architecture

Online Charging scenarios


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Principles/Flows for Diameter Online charging

Message for Online Charging

Charging Features and Procedures

IV.Beyond LTE Technology

a. SIP/SDP

SIP/IMS Basics

SIP Methods and responses

SIP Call flow examples

Sample INVITE and 200OK Format details

IMS Architecture Overview

IMS Message flow

SIP RegistrationVarious SIP Methods

b. IMS

All IP and IMS Reference architecture

Application Evolution and SIP Influence

IMS Architecture

IMS Layers and Functions

CSCF, HSS/SLF, BGCF

MRFC, MRFP, M-GW, PSTN-GW

SIP Messaging and Call Processing

Example: SIP Application call flow

QoS and Charging

Registration and Session Initiation

VoIP and IMS processing

PSTN Signalling Translation

c. IMS Based VoLTE/SMS/MMS/VoiceMail/Conference

VoLTE - IMS Based

VoLTE-IMS Protocol Stack

VoLTE Power on Registration

VoLTE Call through SIP

BGCF, MGCF and T-SGW functions

VoLTE and CS/PS Handover

Text Messaging over VoLTE

Video Call over VoLTE

IMS Centralised Call Continuity

Voice SPS and TTI Bundling


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2. LTE Network/RF Design

I. LTE Network Dimensioninga. Dimensioning LTE IP-SuiteEthernet

IP and Datalink layer

Transport Protocols- TCP/UDP/SCTP, GTP/IPSec

QoS (Diffserv)

b. Dimensioning Interface Links

Dimensioning Concepts - BHCP

Cell Peak rate

Overbooking

Over Dimensioning/ Over ProvisioningPeak Allocation

S1-MME Dimensioning,

X2 Dimensioning

S1-U/GTP/QoS Dimensioning

Radio Network Simensioning

Core Dimensioning

Transport (Backhaul) Dimensioning

Various Level (Hierarchy) Dimensioning

c. RF Design Process

System RequirementInitial Cell Plan

Coverage and Capacity Planning

Greenfield and Expansion Planning and design

Macro/Micro and Pico/Femto Planning

Site Survey

Implementation

RF Shakedown

Network Launch

RF Optimization

Network Expansion

II. Network Integration and Interworking

a. Handovers Intra RAT/PLMN

b. Handovers Inter RAT/PLMN

c. Roaming Guides

d. IMS Roaming and Interworking

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