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7th ANNUAL IEEE TECHNICAL EXCHANGE MEETING. TETRA Radio Technology for the New Century Bayan A Al-Mobarak Computer & Comms Engineering Dept. April 18, 2000. Agenda. What is TETRA Benefits of TETRA Spectral Efficiency Comparisons TETRA Network Standards

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Presentation Transcript
slide1
7th ANNUAL IEEE TECHNICAL EXCHANGE MEETING

TETRA Radio Technology for the New Century

Bayan A Al-Mobarak

Computer & Comms Engineering Dept

April 18, 2000

agenda
Agenda
  • What is TETRA
  • Benefits of TETRA
  • Spectral Efficiency Comparisons
  • TETRA Network
  • Standards
  • TETRA System Deployment in Saudi Aramco
  • Conclusion
what is tetra
WHAT IS TETRA?
  • TETRA :
    • TErrestrial Trunked RAdio is the latest digital mobile communications standard from the European Telecommunication Standards Institute (ETSI)
    • Mobile Radio open Standard
    • Digital Speech and Data communications
    • Provides high quality mobile radio communications that resolve the existing problems
benefits of tetra
Benefits of TETRA
  • Open Standard
  • System Efficiency
  • Professional Mobile Radio (PMR) Features
  • Longevity
open standard
Open Standard
  • Multiple Sourcing
  • System to System Roaming
  • Very Large Market
system efficiency
System Efficiency
  • Spectral Efficiency
  • Full Duplex
  • Combined Voice and Data
  • Bandwidth on Demand
pmr features
PMR Features
  • Group Call
  • Individual Call
  • Telephone call
  • Emergency Call
  • Direct Mode
  • Priority level
  • Fast Call Set-Up
pmr features continued
PMR Features, Continued
  • Call Authorized by Dispatcher
  • Area Selection
  • Access Priority
  • Late Entry
  • Pre-emptive Priority Call
  • Discreet Listening
telephone features
Telephone Features
  • Call Hold
  • Call Completion to Busy Subscriber
  • Transfer of Control
  • Include Call
comparison of tetra spectrum efficiency with other technologies
Comparison of TETRA spectrum efficiency with other technologies

200kHz bandwidth

200 kHz carrier

8 channels

GSM

Half-rate GSM

(future)

200 kHz carrier

16 channels

PMR 25 kHz

25 kHz channel

8 channels / 200 kHz

PMR 12.5 kHz

APCO25 (US)

Tetrapol

12.5 kHz channels

16 channels / 200 kHz

25 kHz carrier

4 channels / carrier

32 channels / 200 kHz

TETRA

example of tetra network
Example of TETRA network

VMR

- Gateway

External Networks

PABX, ISDN,

Internet etc.

DC

SwMi: Switching and Management infrastructure

SCN: Switching and Control Node

NMS: Network Management System

DC: Dispatch Console

BS; Base station

VMR:Vehicular Mounted Radio

HPR: Hand-portable Radio

Central

Logging Recorder

NMS

SwMi

BS

HPR

tetra standards
TETRA Standards

Other TETRA

Network

PABX, PSTN,

ISDN, PDN

Voice

And Data

ISI

Direct

Mode

Gateway

AI

TETRA Network

PEI

Mobile Stations

TSI

slide13
TETRA System Deployment in

Saudi Aramco

  • The new system will enhance the following:
    • Network congestion
    • up to date technology feature
    • Improve quality
    • Interference
    • Overcome the discontinued manufacturers support
conclusions
Conclusions
  • TETRA is the technology that will take the radio professional users to the new millennium
  • Interoperability testing is creating real competition
  • TETRA provides the demanding multimedia services needed now and the future
  • Data applications offer concrete benefits
  • Completely secure networks can be made with TETRA
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