TETRA in Depth with RF Basics

iDEN™ and TETRA Courses
  • Course:TETRA in Depth with RF Basics
  • Course ID:TETRA-ID Duration:7 days Where: Your Office (7+ Persons)
  • Available as a private, customized course for your group at your offices or ours and in some cases as a WebLive(TM) class.

  • Download Course Description (PDF)

Course Outline

Part 1: Basics of RF (2 days)

  • Radio Waves and Channels
    • What are radio waves?
    • The electromagnetic spectrum
    • Controlling radio use: The role of the regulator
    • Spectrum allocations
    • Radio bandwidth and channels
  • RF Mathematics Explained
    • A simple overview and explanation of the math we will use in this course
    • The math processes and examples
  • The Language of RF
    • dBs, dBm, dBw, dBi
    • Understanding the relevance of the terms
    • Antennas and antenna gain
  • Noise and Interference
    • Signal to Noise Ratio (SNR)
    • Shannon’s Law and its relevance
    • Thermal noise
    • Man-made noise
    • Impact of rainfall and other impairments
  • Radio Modulation
    • What is radio modulation?
    • Modulation techniques
    • Forward error correction: What it is and how it works
  • Radio Propagation
    • What propagation is and how it works
    • Impairments to propagation
    • Path loss predictions and modelling
    • Fading environments
    • Multipath
    • Diversity techniques

Part 2. TETRA in Depth (5 days)

  • Introduction
    • Trunked mobile communications
    • Concepts and benefits of trunking
    • TETRA technology
    • ETSI standardization
    • The TETRA MoU
    • TETRA equipment and systems
  • Features and Services
    • TETRA features
    • Bearer services, teleservices, supplementary services
    • Voice and data services
    • Circuit-switched and packet-switched data
    • IP packet data
    • Short Data Service (SDS)
    • Direct Mode Operation (DMO))
    • Trunked Mode Operation (TMO)
    • Support for Value Added Services (VAS)
    • TETRA applications
    • Spectral efficiency
    • Security aspects
  • TETRA Architecture
    • BS, LSC, MSC, LS, MT, TE
    • TETRA network and standard interfaces
    • Standard gateways
    • Trunked mode air interfaces
    • Inter System Interface (ISI)
    • Terminal Equipment Interface (PEI)
    • Line Station Interface (LSI)
    • Network Management Interface (NMI)
    • Direct Mode Air Interface (DMAI)
    • Gateways to public networks
    • TETRA Direct Mode Operation (DMO)
    • Gateway mobile station
    • Repeater station
    • Interoperability
  • Addressing, Numbering, Dialing, and TETRA MMI
    • Numbering and addressing
    • TEI, MNI, TSI, SSI
    • GTSI, ATSI
    • Handset identification
    • Leading digit dialing
    • Call scenarios
    • TETRA IP
  • TETRA Air Interface
    • Spectrum allocations and channel assignments
    • Physical and logical channels
    • TDMA structure
    • Medium Access Control (MAC) sublayers
    • Logical Link Control (LLC) layer
    • Frame, slot and burst structures
    • Air interface message sets
  • TETRA Procedures
    • MS operational modes
    • Mobility management
    • Cell selection and reselection
    • Cell selection in traffic mode
    • Security, authentication, and encryption
    • Failover options
    • Example call setup message flows
  • TETRA Voice Coding
    • ACELP coding
    • Speech vs. transmission frames
    • Interfaces to other voice systems
    • Voice transcoding
  • TETRA and Data Networks
    • Circuit mode data operation
    • Packet mode operation
    • X.25, TETRA data services, SCLNP
    • Inter-network protocols
    • TETRA IP
    • Interworking with IP networks
    • TETRA over IP solutions
  • TETRA Security and Billing
    • Overview of TETRA security requirements
    • Authentication, air interface encryption
    • End-to-end encryption
    • Billing in TETRA networks
  • TETRA Physical Layer
    • Frequency allocation
    • Carrier frequencies and radio channel numbers
    • π/4DQPSK modulation
    • Frame, slot and burst structures
    • Synchronization
    • Frequency reference
    • Transmission delays
    • Scrambling
    • Power control
    • Channel quality measurement
    • Physical layer performance
  • TETRA Data Link Layer
    • LLC and MAC sublayers
    • Coding and interleaving
    • FEC and error detection
    • Channel coding for data and signaling
    • Coding parameters
    • Stealing
    • Random Access (RA)
    • Logical channel routing
    • System modes: Normal, extended, minimum, discontinuous
    • Mobile station modes: Idle, signaling and packet data, traffic, economy
  • TETRA Network Layer
    • Network layer concepts
    • TETRA network layer
    • TETRA protocol stacks
    • Mobile to base link
    • Mobility management protocols
    • Circuit mode operation
    • Packet mode operation
    • X.25, TETRA data services, SCLNP
    • Inter-network protocols
  • TETRA and Public Mobile Systems
    • GSM services and features
    • Comparison of TETRA and GSM
    • Convergence of TETRA and GSM
    • Evolution of TETRA towards 3G services
    • Unifying TETRA and UMTS
  • TETRA Network Planning
    • Frequency spectrum, planning and re-useC/I requirement; coverage requirement
    • Coverage planning
    • TETRA link budget
    • Capacity planning
    • GoS requirement and traffic load prediction
    • Challenges for TETRA planning
    • Tools for TETRA planning
  • Indoor Radio Planning
    • Why is indoor coverage important?
    • Indoor planning procedure
    • The RF design process
    • Design strategy
    • The indoor link budget
  • TETRA Performance
    • Received signal strength measurement
    • Signal quality measurement; receiver sensitivity
    • Round trip MS-BS path delay
    • TETRA reference channels; TETRA receiver classes
    • Interference to other systems
    • Monitoring TETRA performance
    • Field measurements
    • Tools for field measurement
  • Wrap-up
    • Course Recap and Q/A
    • Evaluations