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LTE RAN Signaling And Operations For UMTS Operators


Long Term Evolution (LTE) is an all-IP wireless system that promises dramatic improvements in throughput and latency. The LTE enhancements are based on several fundamental pillars: a new air interface (OFDM+MIMO), simplified network architecture and efficient air interface structure and signaling mechanisms. This course takes a detailed look at various call scenarios of the LTE radio network using signaling messages and related parameters. It provides details of system access, initial attach, default/dedicated bearer setup, handovers and inter-RAT operations. At appropriate instances, the LTE operations are compared with similar operations of 1x/1xEV-DO or UMTS networks. This course utilizes several hands-on experience, a drive-test tool, and ultimately concludes with a certification assessment.

Duration: 40 hours

Fee: 20k

Course Overview

The contents included in this course are specified below: 

  1. LTE Network Architecture
    • E-UTRAN architecture
    • LTE-Uu, S1 and X2 interfaces
    • Protocols of LTE RAN
  2. LTE Air Interface
    • LTE frame structure of DL and UL
    • LTE Channels Overview
    • Identifies of UE, eNB and EPC
  3. System Acquisition
    • Cell-ID detection and synchronization
    • System Information Blocks (SIBs)
    • RF Configuration and Operations Parameters
  4. Connecting to LTE RAN
    • Random Access Operation
    • UE and eNB timing alignment
    • RRC Connection Setup
  5. Attach to the Network
    • Authentication
    • Selection of MME, S-GW,  and P-GW
    • Default bearer establishment
    • AS and NAS Security
  6. Quality of Service in LTE
    • QoS Parameters
    • Dedicated EPS bearers and TFTs
    • Dedicated bearer setup
    • Data radio bearers in LTE
  7. Traffic and Bandwidth Management
    • DL Traffic Processing
    • Feedback: CQI, PMI, RI
    • UL Traffic Processing
    • Buffer Status Reports
    • Scheduling
    • Time Alignment
    • Closed Loop Power Control
    • Discontinuous Reception
  8. Mobility and Idle Mode
    • Types of Measurements
    • Cell Reselection and TAU Operation
    • Paging Operation
    • DRX Operation in Idle Mode
  9. Handover
    • Measurement Configuration
    • Measurements Types
    • Handovers
    • X2-Based Handovers
    • S1-Based Handovers
  10. Interoperability
    • Comparison of Measurements between LTE and 2G/3G
    • Inter-RAT Handover Preparation
    • Inter-RAT Handover Execution
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