TR 102 582 : 1.1.1
Current
The latest, up-to-date edition.
TERRESTRIAL TRUNKED RADIO (TETRA); EVALUATION OF LOW RATE (2,4 KBIT/S) SPEECH CODEC
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General
4.1 Work requirements
4.2 Tasks
5 Initial study of the TETRA speech Codec
5.1 Introduction
5.2 Polynomial search for 1/4 mother code rate
5.3 Bit classification
5.4 Puncturing Patterns
5.5 Integration and Testing
6 Performance Evaluation
6.1 Evaluation Criteria
6.2 Results
6.3 Additional TU 50 results
7 Summary
8 Conclusions
9 Further Work
Annex A: Complete simulation data
A.1 Distribution 2-44-6-2
A.2 Distribution 12-28-9-5
A.3 Distribution 20-12-17-5
A.4 Distribution 30-4-6-14
History
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