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Kurs Titel:

LTE Optimization of Radio Networks

   

Bestell-Nr.:

TA-TC 6440

   

Dauer:

3 days / web session 3x4 hours

   

Zielgruppe:

Personnel from performance monitoring and optimization department.

   

Zielsetzung:

The participants will learn how to monitor their network with various types of counters and KPIs to detect faults and to analyze the causes of these problems. Based on numerous real life network examples, the troubleshooting of bad cells and eNodeBs by call phase and root cause drill down will be shown. Finally it will be demonstrated, how to perform a network audit by checking the configuration data bases and analyzing the problems dominating on cluster or even PLMN level.

   

Inhalte:

1. 

Introduction to Optimization

 

Optimization targets and process

 

Troubleshooting

 

Audit

 

LTE specific features

2. 

Counters and KPIs

 

Hierarchy of measurements (counter – PI – KPI, aggregation)

 

Classification of performance measurements

 

Air interface related measurements (CQI, RSRP/RSRQ, UL RSSI/SINR, power headroom)

 

Signaling related measurements (accessibility, retainability, mobility)

 

Integrity measurements (user throughput, block error ratio, packet loss and delay)

 

Traffic measurements (resource block utilization, number of users, cell throughput)

3. 

Optimization and Troubleshooting

 

RF optimization (antenna tilt and azimuth, interference, crossed feeders)

 

Setup and access failure causes (PRACH procedure, RRC and ERAB establishment)

 

Drop causes (network and user view, ERAB and UE context drop)

 

User experienced data rate (impacts from high layers, air interface related causes)

 

HO failure causes (preparation and execution, event optimization)

 

Parameter tuning (UL power control, physical channel configuration)

4. 

Audit

 

Configuration management (consistency, feature and parameter check)

 

Performance management (traffic and radio performance)

   

Voraussetzungen:

Detailed knowledge about the LTE air interface and the LTE radio parameters and features.

   

Seminar Level:

5 - Expert level

   
   

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