Understanding TETRA Air Interface

Academic Module

Evaluation of TERRESTRIAL TRUNKED broadcasting structural design in addition to process

* TERRESTRIAL TRUNKED RADIO characteristics in addition to Service
* Trunked method procedure
* Straight method procedure

Synopsis of the TERRESTRIAL TRUNKED RADIO Air crossing point

* Continuum allocation in addition to direct coursework
* Substantial in addition to reasonable channel
* T D M A arrangement
* Intermediate admission manage sub layers
* Logical association manage plaster
* Air interface communication sets
* Idle mode in addition to devoted mode events
* Power budgets in addition to variety inference
* Cellular capability issue

The TERRESTRIAL TRUNKED RADIO Physical stratum

* Frequency portion
* Carrier Frequencies in addition to Radio Channel information
* 4DQPSK modulation
* Frame, slot in addition to disintegrate structure
* Channel quality level
* Physical layer performance
* Emissions in addition to interference
* Area coverage technique

The TERRESTRIAL TRUNKED RADIO Data Link Layer

* LLC in addition to the MAC sublayers
* Coding in addition to interleaving
* Rin addition toom Access
* Logical channel direction-finding
* System mode: standard, comprehensive, least, sporadic
* Mobile Station modes: Idle, Signaling & Packet Data, Traffic, Economy

The TERRESTRIAL TRUNKED RADIO Network cover

* Network layer concepts
* The TERRESTRIAL TRUNKED RADIO Network layer
* TERRESTRIAL TRUNKED RADIO protocol stacks
* Mobile to Base Link
* Mobility organization etiquette
* Circuit mode operation


TERRESTRIAL TRUNKED RADIO Voice Coding

* Voice coding schemes
* Algebraic Code Excited Linear Prediction coding
* Speech versus transmission frames
* Identifying voice calls in TERRESTRIAL TRUNKED RADIO systems
* Extracting voice payload from TERRESTRIAL TRUNKED RADIO channels
* Interfaces to other voice systems
* Voice transcoding

TERRESTRIAL TRUNKED RADIO protection

* Main beliefs of encryption in addition to substantiation
* TERRESTRIAL TRUNKED RADIO substantiation
* TERRESTRIAL TRUNKED RADIO encryption
* Encryption key
* O T A Re-keying
* Uninterrupted encryption