Ericsson 4G RAN: Troubleshooting and Maintenance

(4 customer reviews)

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Ericsson LTE System Architecture

  • LTE Network architecture overview
  • QOS parameters and impact on Network Performance
  • ANR feature and impact on Network
  • Ericsson 6000 series hardware

LTE RAN/OSS-RC Overview and Functionality

  • OSS-RC, Element Manager and Command Line Interface (CLI) during a troubleshooting procedure
  • Scripting (AMOS) interface and Node Command Line Interface (NCLI)
  • Lock and restart boards and nodes including the soft/hard lock concept
  • Check the status of the Managed Objects to find out the health of the node

Ericsson eNodeB Alarm :

  • Investigate the purpose and the location of the various types of logs in a CPP Based node
  • Location, purpose and reading Alarm, Event logs, Error Log and Post Mortem
  • Dump(PMD) Log, Availability Log
  • Data collection for Customer Service Request (CSR) when a problem is suspected in the LTE RAN network

LTE RAN Troubleshooting :

  • Performance Statistics and Performance Monitoring
  • Integration issues and troubleshooting procedures
  • eNodeB health check by CLI (Moshell)
  • Common alarms/faults in eNodeB and troubleshooting
  • Mo structure EUTRAN and quick steps to get Scripts for a Managed Object in eNodeB
  • Moshell Commands to get eNodeB configuration details

Check Alarm List :

  • Check Alarms, and System Log
  • Check Node Restarts and System Downtime
  • Check CPP Hardware Boards, Free Space on Volumes
  • Check Date, Time and Network Synchronization
  • Check TermpointToMME and TermpointToEnodeB
  • Check MME in pool configuration Check S1, X2 connections
  • Check Complete eNodeB health check as a pre/post check requirements
  • Check CV’s stored on eNodeB and Make a Backup CV

Script functionalities :

  • DUL and DUS carrier addition Scripts
  • DUL to DUS migration process and troubleshooting the common issues
  • Delta GS and Baseline scripts and impact on Network performance
  • RET Type 17/Type 1 related scripts and common issues
  • Digital Units, Radio Configuration
  • 1C, 2C and 3C related configuration
  • Defining Alarm Inputs (External Alarms)

LTE RAN Signaling & Interfaces Level :

  • LTE protocol
  • Control and User plane protocols
  • X2, S1-C, S1-U, S6/S5, S8 interfaces

LTE eNodeB Troubleshooting :

  • Understand Synchronization Issue
  • Sync degraded and hold over mode RBS Level
  • Plug unit disabled
  • Back Up & Support
  • System Restore and System Downtime analysis
  • RET issues and troubleshooting

Remote Delivery/SW Delivery :

  • Node Integration common issues and tricks to resolve
  • Software installation
  • SW Verification & Up-gradation
  • Performance Check (PMR)
  • Force/Delta Installation and confirm upgrade
  • LKF Installation through CLI and GUI
  • eNodeB Pre /Post Health Check
  • Traffic check /Cell availability
  • X2 and S1-U/S1-C ping test
  • KPI basic monitoring
  • KPI Degradation /cs call/ps call test



    4 reviews for Ericsson 4G RAN: Troubleshooting and Maintenance

    1. Somze Agama

      ‘The environment was overall better than I had initially expected.
      Instructor was knowledgeable on the subject and had real experience.
      Instructor was flexible and changed structure to suit my requirements.
      Instructor also shared very important documentation’

    2. Subodh

      Best opportunity

    3. tomba ndongala arsene

      i want more information about the cours


      i want more information about the course please about hour start and finish

      Thank you

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