The ETSI computation model: A tool for transmission planning of telephone networks

IEEE Communications Magazine

Volumn 35, Issue 1, 1997, Pages 70-77

  Johannesson, Nils Olof ^a,b,c  

^a ERICSSON RADIO SYSTEMS AB   (Sweden)

^b ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

^c Ericsson Group   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0003046682     PISSN: 01636804     EISSN: None     Source Type: Journal    
DOI: 10.1109/35.568213     Document Type: Article

References (27)

1. J. Lalou, "Acoustic Studies Concerning the Telephone Set and Transmission Quality," Telecommun. J., vol. 80-X, 1993, pp. 385-90.
2. J. L. Sullivan, "Is Transmission Satisfactory?" Bell Labs Rec., vol. 52, no. 3, Mar. 1974, pp. 91-98.
3. R. E. Collins, "Service Quality - Measuring the Network and the Customer," Telephony, vol. 209, no. 24, Dec. 1985, pp. 32-34.
4. ITU-T Rec. P.800, "Methods for Subjective determination of Transmission Quality," 1994.
5. ITU-T SG 12, "Impairment Factor for the G.729 Codec," Cont. 69, Jan. 1996, source: Ericsson, Sweden.
6. J. S. Oakland, Total Quality Management, Oxford: Butterworth-Heinemann Ltd., 1993.
7. ITU-T P.-Recs., Supp. 3, "Models for Predicting Transmission Quality from Objective Measurements," 1992.
8. ITU-T Rec. P.11, Annex A, "Transmission Quality Index," 1992.
9. ETSI, "Speech Communication Quality from Mouth to Ear of 3.1 kHz Handset Telephony across Networks," Tech. Rep. ETR 250, 1996.
10. ITU-T Rec. G.101, "The Transmission Plan," 1996.
11. ITU-T Rec. G.113, Transmission Impairments," 1996.
12. J. Alnatt, "Subjective Rating and Apparent Magnitude," Int'l. J. Man - Machine Studies, vol. 7, 1975, pp. 801-16.
13. ITU-T COM 12-50, "Basis for Recommendation G.115 on Speech Levels," Rapporteur Q.17/12, June 1995.
14. ITU-T Rec. G.121, "Loudness Ratings (LRs) of National Systems." 1993.
15. ITU-T Rec. G.222, "Noise Objectives for Design of Carrier-Transmission Systems of 2500 km," 1988.
16. ITU-T Rec. G. 143, "Circuit Noise and the Use of Compandors," 1988.
17. ITU-T Rec. G.131, "Talker Echo," 1996.
18. ITU-T COM D.7, "Impairment Factors for Speech Clipping," Ellemtel, Sweden, Aug. 1995.
19. ITU-T COM 12. "Some Investigations about the Expectation Factor in the E-Model," to be re-submitted in 1996 by Ericsson, Sweden.
20. ITU-T P. Recommendations, Supplement 11: Some Effects of Sidetone.
21. N. Osaka et al., "A Model for Evaluating Talker Echo and Sidetone in a Telephone Transmission Network," IEEE Trans. on Comm, vol. 40, Nov. 1992, pp. 1684-1692.
22. CCITT COM XII-21: The Effect of Delayed Sidetone on the Overall Sound Quality of a Telephone Connection, Swedish Telecom 1989-1992.
23. CCITT COM XII-25: Effect on Talker Echo on the Quality of Telephone Connections. Results from a Conversational Experiment, France 1989-92.
24. ITU-T Rec. G.114, "One-Way Transmission Time."
25. J. J. Gruber and G. Williams, Transmission Performance of Evolving Telecommunications Networks, Artech House, ISBN 0-89006-591-8, 1992, p. 34.
26. ITU-T Rec. G. 100, "Definitions Used in Recommendations on General Characteristics of International Telephone Connections and Circuits," 1994.
27. ITU-T Rec. G.111, Loudness Ratings (LR) in an International Connection.