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TETRA

 
   
Course Name: TETRA Air Interface Training
   
Deployment Options: Onsite - Instructor-Led Training
   
Course Duration: 2-3 days depending on audience background and options
   
Related Courses
 
 
Introduction:
 
This TETRA training course course has been designed to compliment TETRA System Overview. In just two days this TETRA course covers all aspects of the TETRA Air Interface.
 
Audience:
 
•Engineers and technical professionals involved with PMR or PAMR systems, requiring a detailed coverage of the TETRA air interface and its operation
 
Prerequisites:
 
TETRA System Overview, or equivalent knowledge of TETRA systems, is a pre-requisite for this course..
 
Customize it:
 
This 2-3-day TETRA Air Interface course will be customized to your needs and specifications. Eno.com will assist you in identifying those needs and specifications. A word to the wise, there are many vendors of Wireless training. They will typically have a broad and general course, one size fits all, already developed and just put your organization?s name on the title slide. This minimizes their effort and time investment. At Eno.com, every course is made to your exact and exacting specifications. We help you ensure what you are getting is what you really need even if at the beginning you weren't too sure of what that was. We fit the class to your needs. We never fit you into our standard, one size fits all, class. Please call or e-mail to schedule a no-obligation conference call to help us understand your audience background and training objectives.
 
Objectives:
 
On completing this course, you will be able to:
 
Course Outline
 

Review of TETRA Architecture and Operation

  • TETRA Features and Services
  • Trunked Mode operation
  • Direct Mode Operation

Overview of the TETRA Air Interface

  • Spectrum allocations and channel assignments
  • Physical and Logical channels
  • TDMA structure
  • Medium Access Control sublayers
  • Logical Link Control layer
  • Air interface message sets
  • Idle mode and dedicated mode procedures
  • Power budgets and range estimation
  • Cellular capacity issues

The TETRA Physical Layer

  • Frequency allocation
  • Carrier Frequencies and Radio Channel Numbers
  • p/4DQPSK modulation
  • Frame, slot and burst structures
  • Synchronisation
  • Frequency reference
  • Transmission delays
  • Scrambling
  • Power control
  • Channel quality measurement
  • Physical layer performance
  • Emissions and interference
  • Area coverage techniques

The TETRA Data Link Layer

  • LLC and the MAC sublayers
  • Coding and interleaving
  • FEC and error detection
  • Channel coding for Data and Signalling
  • Coding parameters
  • Stealing
  • Random Access
  • Logical channel routing
  • System modes: Normal, Extended, Minimum, Discontinuous
  • Mobile Station modes: Idle, Signalling & Packet Data, Traffic, Economy

The TETRA Network Layer

  • Network layer concepts
  • The TETRA Network layer
  • TETRA protocol stacks
  • Mobile to Base Link
  • Mobility Management protocols
  • Circuit mode operation
  • Packet mode operation
  • The higher layers: X.25, TETRA data services, SCLNP
  • Inter-network protocols

TETRA Voice Coding

  • Voice coding schemes
  • ACELP coding
  • Speech versus transmission frames
  • Identifying voice calls in TETRA systems
  • Extracting voice payload from TETRA channels
  • Interfaces to other voice systems
  • Voice transcoding

TETRA Security

  • Principles of encryption and authentication
  • TETRA authentication
  • TETRA encryption
  • Encryption keys
  • OTA Re-keying
  • End-to-End encryption

Operational Factors

  • Idle mode and dedicated mode procedures
  • Power budgets
  • Range considerations
  • Air interface configurations and parameters
 
Other Expertise:
 
 

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