TETRA » History » Revision 3
Revision 2 (laforge, 02/19/2016 10:52 PM) → Revision 3/4 (laforge, 02/19/2016 10:52 PM)
h1. = TETRA = TETRA (*TE*rrestrial *T*runked *RA*dio) ('''TE'''rrestrial '''T'''runked '''RA'''dio) is a professional mobile radio (PMR) system used by public (police, military, emergency services) as well as private companies (public transportation, harbour, industrial/chemical plants, power/electricity companies, etc.) It is specified by the "ETSI":http://www.etsi.org/ [http://www.etsi.org/ ETSI] (European Telecommunications Standardization Institute). The specifiations can be downloaded from http://pda.etsi.org/ The main specification document is * ETSI EN 300 392-1 (Voice plus Data (V+D); Part 1: General network design) * ETSI EN 300 392-2 (Voice plus Data (V+D); Part 2: Air Interface (AI)) * ETSI EN 300 395-2 (Speech codec for full-rate traffic channel; Part 2: TETRA codec) For a good technical book on TETRA, check out _Digital ''Digital Mobile Communications and the TETRA System_ System'' by John Dunlop and others. You can "preview [http://books.google.com/books?id=Kr3ori9Ify4C preview it at Google books":http://books.google.com/books?id=Kr3ori9Ify4C books]
