Price: $1,999.00
Length: 3 Days
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Troubleshooting LTE RAN Training – UE Based

Troubleshooting LTE RAN Training is a UE based training course covering LTE network architecture, LTE air interface signaling procedures and methods, and LTE UE troubleshooting.

Troubleshooting LTE RAN Training course covers many important call scenarios of the LTE RAN by analyzing and exploring signaling messages and parameters including system access, initial attach, authentication, Tracking Area Update, default/dedicated bearer setup, connectivity, handovers, inter-RAT operations, OTT, LTE and WiFi Interworking, SMS, video, etc.

Troubleshooting LTE RAN Training is a comprehensive training course on the call procedures of LTE RAN, signaling, troubleshooting and optimization. The course signaling and procedures of LTE explaining essential topics include LTE features from UE’s perspective, RRC signaling, RAN parameters, performance measurement counters, radio quality and user plane quality, reference points, protocol stacks, information elements, elementary procedures and troubleshooting cases.  This course enables the attendees to understand the signaling procedures and parameters that need to be analyzed when monitoring LTE networks

This course takes a detailed look at various call scenarios of the LTE radio network using signaling messages and related parameters.

Learning Objectives

After completing this course, the attendees are able to:

  • Describe LTE E-UTRAN and EPC network architecture
  • Describe system selection parameters
  • Describe  System information block 2 (SIB2) in LTE
  • carries radio resource configuration information
  • Analyze system access parameters in UE logs
  • Analyze system access and the initial attach operation
  • Recognize carries radio resource configuration information
  • Analyze LTE security and IP address assignment
  • Explain QoS for VoLTE
  • Analyze  traffic operations for UL and DL
  • Understand various handover scenarios and the associated signaling procedures
  • Explore inter-system handover mechanisms including the LTE to 3G/2G scenario
  • Understand Interowkring: LTE, HSPA, GSM, and WiFi
  • Understand Over-the-top (OTT)

This course is primarily intended for a technical audience in engineering, systems engineering, network engineering, support, operations, troubleshooters, and anyone seeking a more in depth understanding of LTE signaling details.

Course Content:

LTE Network Architecture

  • LTE Network Elements and Functions
  • Area and Subscriber Identities
  • Concepts behind Location Area, Routing Area, Service Area, Tracking Area, Cell Global Identity
  • Concepts behind M-TMSI, and S-TMSI, GUTI, and RNTI
  • Numbering, Addressing, and Identification in the IMS and Session Initiation Protocol (SIP)
  • Concepts behind CSFB

Protocols and signaling of LTE RAN

  • RRC connection setup
  • Attach to the Network
  • System Acquisition
  • System Information Blocks (SIBs)
  • Data radio bearers in LTE
  • Traffic and Bandwidth Management
  • Mobility and Idle Mode
  • Handover
  • Interoperability

LTE RAN Protocols and Functions

  • LTE Radio Access Network Architecture
  • Interfaces and Reference Points
  • Signaling radio bearers
  • Message format
  • System information
  • Non-access stratum (NAS)
  • Access stratum (AS)
  • QoS Architecture
  • Multiple Access Methods
  • Link Adaptation in LTE
  • UE Random Access
  • Protocol Functions, Encoding, Basic Messages, and Information Elements.

E-UTRAN Signaling Procedures

  • Initial attach procedures
  • UE service request
  • Dedicated bearer setup
  • Dedicated bearer release
  • Detach
  • Performing LTE RAN Operation
  • Troubleshooting LTE RAN

E-UTRA Radio Resource Control (RRC) Protocol

  • UE states and state transitions including inter RAT
  • Signaling radio bearers
  • Services provided to upper layers
  • Services expected from lower layers
  • System information required by the UE
  • MasterInformationBlock message
  • SystemInformationBlockType1 message
  • SystemInformation messages
  • SystemInformationBlockType2
  • SystemInformationBlockType3 – SystemInformationBlockType16
  • Acquisition of an SI message
  • Connection control
  • RRC connection control
  • Security
  • RRC connection establishment
  • RRCConnectionRequest message
  • Cell re-selection
  • Access barring check
  • RRC connection reconfiguration
  • Radio resource configuration
  • Inter-RAT mobility
  • Mobility from E-UTRA
  • Measurement report triggering
  • UE Assistance Information
  • Protocol data units, formats and parameters
  • Message definitions
  • RRC information elements
  • Counters
  • Timers

LTE RRC Connection Setup Messaging

  • Security functions including key management
  • Establishment, configuration, maintenance and release of Radio Bearers;
  • Mobility functions
  • QoS management functions;
  • UE measurement reporting and control of the reporting;
  • NAS direct message transfer to/from NAS from/to UE.RRC connection between the UE and E-UTRAN
  • Establishment, maintenance and release of RRC
  • Connection establishment
  • Reconfiguration
  • Re establishment and release
  • Initial security activation, counter check
  • Handover to E-UTRAN
  • Mobility from E-UTRAN
  • Radio Interface Signaling Procedures
  • RRC Connection Setup, Attach, and Default Bearer Setup
  • Random Access and RRC Connection Setup Procedure
  • RRC Connection Reconfiguration and Default Bearer Setup
  • RRC Connection Release
  • Key Performance Indicators
  • User Plane KPIs

UE Failure Cases in E-UTRAN

  • UE states and state transitions
  • System access
  • Initial attach
  • Authentication
  • Tracking Area Update
  • Default/dedicated bearer setup,
  • Connectivity
  • Handovers
  • Inter-RAT operations
  • Inter-RAT CCO to E-UTRAN
  • OTT
  • Paging
  • CSFB
  • Mobility from E-UTRA

 

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