TETRA Network Architecture, Services and System Design
Course Overview
TETRA, or Terrestrial Trunked Radio, is a professional mobile radio and two-way transceiver specification that is widely used by emergency services, public safety agencies, and various industries such as transportation, utilities, and military. Developed by the European Telecommunications Standards Institute (ETSI), TETRA ensures a standardized, secure, and reliable communication system across various users and applications. Utilizing Time Division Multiple Access (TDMA) technology, TETRA supports multiple users on the same frequency channel and provides robust encryption and authentication to ensure communication security.
In this course, participants will learn the fundamental concepts of TETRA, including its network architecture, communication services, and technical specifications. They will understand how TETRA enhances communication for mission-critical operations and how it integrates with other systems. Participants will also appreciate TETRA’s real-world applications through detailed examples and case studies.
Target Audience
- Network Engineers and Architects involved in designing, deploying, and maintaining communication networks, public safety and emergency services (e.g., police, fire, EMS personnel)
- Public Safety and Emergency Services personnel, and Transportation and Utility Professionals who rely on TETRA for mission-critical communications
- Government / Regulatory bodies
Duration & Training Format
- Classroom: 5 days
- LIVE Virtual: 35 hours
*Note:
- A minimum of 8 or more participants is required for a Classroom session to commence.
- A minimum of 6 or more participants is required for a LIVE Virtual session to commence.
- LIVE Virtual courses can be conducted for 5 hours or 7 hours daily. Please note that the number of training days will be extended if you opt for 5 hours daily.
Upcoming Course Dates
15 – 19 Sep 2025 (Mon – Fri), GMT +8
If you are keen on attending this course, please register your interest via our course enquiry form.
Course Objectives
By the end of the course, participants will be able to:
- Understand the fundamental concepts and significance of TETRA technology
- Describe the network architecture and key components of a TETRA system
- Explain the various communication services provided by TETRA, including voice and data
- Identify the technical specifications and features of TETRA, including TDMA technology
- Outline the principles of TETRA system design and planning
- Recognize how TETRA integrates with other systems and enhances communication for mission-critical operations
Course Outline
Introduction to TETRA
- Overview of TETRA
- Introduction to TETRA Technology
- Key Milestones in TETRA Development
- Key Applications and Use Cases
- TETRA Standards and Governing Bodies
- Understanding TETRA
- Key Features and Benefits
- Comparison with other Radio Systems
- Trunked Radio
- TETRA Services
- TETRA Communications Services
- Voice Services: Push-To-Talk, Group Calls, Emergency Calls, and Private Calls
- Data Services: Short Data Services (SDS) and Packet-Switched Data
- Additional Services
- TETRA Supplementary Services
- Overview of Procedures
- Call Management Procedures
- Priority and Access Management
- Call Handling and Special Features
- Call Barring and Monitoring
- Dynamic Features
TETRA Radio Architecture
- Mobile/Base Protocol Architecture
- High-level Introduction to the Protocol Architecture
- Layer 1: Physical Layer Overview
- Layer 2: Data Link Layer
- Medium Access Control (MAC): Channel Access Management
- Logical Link Control (LLC): Logical Link Establishment and Maintenance
- Layer 3: Network Layer
- Mobile/Base Link Control Entity (MLE/BLE): Connection Handling
- Sub-Network Access Functions (SNAF)
- Mobility Management (MM): Handover and Roaming
- Circuit Mode Control Entity (CMCE): Voice and Circuit-switched Data
- Packet Data Handling: Packet Transmission Protocols
- TETRA Packet Data Protocol (PDP): Data Session Control
Radio Aspects
- Logical Channels
- Overview: Traffic and Control Channel Classification
- Key Functions: Data Transmission Optimization
- Modulation and Signal Processing
- Modulation: π/4-DQPSK, π/8-D8PSK, and QAM
- Modulation Type: Characteristics and Benefits
- Modulation Rate: Data Throughput Optimization
- Sub-carriers in QAM: Bandwidth Efficiency
- Coding and Scrambling: Error Correction and Data Security
- Transmission and Reception: Signal Chain Workflow
- Performance and Operation
- TETRA Modes: Trunked and Direct Communication Modes
- Frequency Management
- DMO Air Interface Protocol Stack
- Radio Sub-System Synchronization
Channel Structures and Multiplexing
- Channel Coding and Scrambling
- TETRA Frequency Bands, Duplex Spacings and Channel Numbering
- Mechanisms for Ensuring Reliable Communication
- Multiplexing
- Logical Channel Hierarchy
- Traffic Channels for π/4-DQPSK and π/8-D8PSK
- Control Channels (CCH, AACH, SCH, etc.) for Phase Modulation and QAM
- Physical Resource Allocation
- RF Channels, Timeslots, TDMA Frames, and Multiframe Structures
- Frame Alignment and Burst Timing
- Physical Channels: Types of Bursts And Modulation Bit Allocation
Protocols
- Protocol Details
- CMCE Protocol: Circuit-mode Communication Handling
- Mobility Management (MM): Seamless Mobility and Handovers
- MLE Protocol: Session Setup and Management
- MAC Protocol: Medium Access Rules
- SNDCP: Subnetwork-dependent Convergence for Packet Data
- Security
- Authentication and Key Management Algorithm TAA1 and TAA2
- TETRA Standard Encryption Algorithms: TEA1-7
Note: A Certificate of Completion will only be issued upon achieving at least 75% attendance for the course.
Prerequisites
- Basic knowledge of telecommunications and radio communication systems
- Background in engineering, IT, or related fields
- Experience in industries that utilize professional mobile radio systems, such as public safety, transportation, or utilities, will provide context to the concepts covered
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