[Technology] Key Services 日期：2012-09-05 21:09:39 點擊：1616 好評：0
In developing the TETRA standard to meet the needs of traditional PMR user organisations, numerous services and facilities have been provided. Details of all the TETRA services and facilities can be found in the About TETRA Section under T...
[Technology] Markets & Applications 日期：2012-09-05 21:08:48 點擊：1136 好評：0
Markets TETRA networks are already operational in all the traditional PMR market segments listed below: Public Safety Transportation Utilities Government Military PAMR Commercial Industry Oil Gas By far the largest market is that of public...
[Technology] Guide ETSI Standards 日期：2012-09-05 21:08:17 點擊：1137 好評：0
TETRA Standard documents from ETSI come with the following prefixes: EG - ETSI Guide EN - European Norm ES - ETSI Standard ETR - ETSI Technical Report SR - Special Report TS - Technical Specification TR - Technical Report The brief guide t...
[Technology] Glossary and Definition of Terms in TETRA 日期：2012-09-05 21:06:15 點擊：1136 好評：0
Issue 3 February 2006 ACELP Algebraic Codebook Excited Linear Prediction method for low bit rate voice coding and decoding ADPCM Adaptive Differential Pulse Code Modulation AES Advanced Encryption Standard AI Air Interface Air Interface en...
[Technology] Using TETRA 日期：2012-09-05 21:04:15 點擊：1136 好評：0
Procurement and operation of a modern communications system requires consideration of several complex issues. This section is aimed at providing basic facts and guidance to help successful rollout and use of a TETRA system.The TETRA MoU As...
[Technology] Interoperability 日期：2012-09-05 21:03:49 點擊：1812 好評：0
TETRA Interoperability Certification - See certification summary tables - Download Certificates - See list of participating manufacturers - Download White Paper explaining the certification process (Chinese translation of paper available h...
[Technology] Regulatory: Radio Regulation and Spectrum 日期：2012-09-05 21:02:34 點擊：1812 好評：0
Licensing obligation Operating a radio communications network in most countries is subject to licensing by national telecommunications regulators, both for its type of use and the radio frequency spectrum it utilises, especially as radio f...
[Technology] Intellectual Property and Patents 日期：2012-09-05 21:00:40 點擊：1812 好評：0
The TETRA Association was founded to promote and support TETRA technology throughout the world and to encourage an open and competitive market for the supply of TETRA products and services. The technology was developed through the standard...
[Technology] System Planning 日期：2012-09-05 20:58:31 點擊：1617 好評：0
The text below mainly provides a checklist of items and tasks that need to be understood and catered for when starting aTETRA network project. Differences between PMR and cellular network planning As most mobile network planners today are...
[Technology] Numbering and other aspects of operational planning 日期：2012-09-05 20:55:45 點擊：1617 好評：0
Why operational planning The user organisations of a new TETRA network normally face a high class problem, this problem being that the network offers more features and facilities than the system it replaces. In order to get the best out of...
Airbus Defence and Spacehas released theTactilonDabat smart radio, which it clai...
Mission-critical push-to-talk (MCPTT) functionality is now part of the LTE stand...
The Digital TETRA Radio Trunking System is expected to serve the communication r...
TETRA hasevolved from slow-speed data in its first release and integrates wideba...
Today Samsung gave a live PS-LTE demonstaration. Its eMBMS transport is my desig...
[Shenzhen, China, July 30, 2015] As announced today, German Railways are replaci...
