Abstract
This section introduces and describes the three most recent speech related features which have been, or are being, introduced into GSM; the Enhanced Full Rate Codec (EFR), Tandem Free Operation (TFO), and the Adaptive Multi-rate Codec (AMR).
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
GSM 06.10 (ETS 300 580 2): “Digital cellular telecommunications system; Full rate speech transcoding”.
GSM 06.20 (ETS 300 969): “Digital cellular telecommunications system; Half rate speech; Half rate speech transcoding”.
GSM 06.60 (ETS 300 726): “Digital cellular telecommunications system; Enhanced Full Rate (EFR) speech transcoding”.
GSM 06.55 (ETR 305): “Performance Characterisation of the GSM Enhanced Full Rate (EFR) speech codec”.
ETSI SMG1 Committee, “Enhanced full-rate speech Study Phase Report”, 19th December 1994
R Steele (Ed.), “Mobile Radio Communications”, Pentech Press, 1992.
GSM 05.03 (ETS 300 575): “Digital cellular telecommunication system (Phase 2); Channel coding”.
ITU-T Recommendation P.830, “Subjective Performance Assessment of Telephone-band and Wideband Digital Codecs”.
GSM 02.53: “Digital cellular telecommunication system (Phase 2+); Tandem Free Operation (TFO); Service Description; Stage 1”
GSM 04.53: “Digital cellular telecommunication system (Phase 2+); Inband Tandem Free Operation (TFO) of Speech Codecs; Service Description; Stage 3”
ITU-T Recommendation G.704, “Synchronous Frame Structures used at Primary and Secondary Hierarchical Levels”.
GSM 08.60 (ETR 300 737): “Digital cellular telecommunications system (Phase 2+); Inband control of remote transcoders and rate adaptors for Enhanced Full Rate (EFR) and full rate traffic channels”.
Chairman, SMG11, “Adaptive Multi-Rate (AMR) Study Phase Report”, October 1997.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2002 Kluwer Academic Publishers
About this chapter
Cite this chapter
Aftelak, S. (2002). New Speech Related Features in GSM. In: Zvonar, Z., Jung, P., Kammerlander, K. (eds) GSM Evolution Towards 3rd Generation Systems. Springer, Boston, MA. https://doi.org/10.1007/0-306-47045-4_2
Download citation
DOI: https://doi.org/10.1007/0-306-47045-4_2
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-7923-8351-2
Online ISBN: 978-0-306-47045-5
eBook Packages: Springer Book Archive