TR 102 021-3 : 1.1.1
Current
The latest, up-to-date edition.
TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2; PART 3: CODEC
Hardcopy , PDF
English
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Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 User Requirement Specification
4.1 Method of analysis
4.2 Need for new codec
4.3 Relative importance of the TETRA 2 codec
4.4 Improved end-to-end delay performance
4.5 Codec specific performance figures
4.5.1 Fundamental requirements
4.5.2 Voice quality improvement over existing
codec
4.5.3 Equal or better immunity to background
noise
4.5.4 Interworking with GSM/UMTS (No double
vocoding)
4.6 Interoperability with lower rate, standard
codec
4.7 Timescales for the new
Annex A: Bibliography
History
Gives the user requirements for enhancement of Codec.
| Committee |
TETRA 1
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| TR 103 064 : 1.1.1 | RECONFIGURABLE RADIO SYSTEMS (RRS); BUSINESS AND COST CONSIDERATIONS OF SOFTWARE DEFINED RADIO (SDR) AND COGNITIVE RADIO (CR) IN THE PUBLIC SAFETY DOMAIN |
| TR 102 021-1 : 1.3.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2; PART 1: GENERAL OVERVIEW |
| TR 102 021-8 : 1.1.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2; PART 8: AIR - GROUND - AIR SERVICES |
| TR 102 021-5 : 1.2.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2.1; PART 5: INTERWORKING AND ROAMING |
| TR 102 021-1 : 1.3.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2; PART 1: GENERAL OVERVIEW |
| TR 102 021-4 : 1.4.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2.1; PART 4: AIR INTERFACE ENHANCEMENTS |
| TR 102 021-7 : 1.3.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2.1; PART 7: SECURITY |
| TR 102 021-2 : 1.3.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2.1; PART 2: HIGH SPEED DATA |
| TR 102 021-6 : 1.2.1 | TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2.1; PART 6: SMART CARD (SC) AND SUBSCRIBER IDENTITY MODULE (SIM) |
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