In-service nonintrusive measurement of echo parameters in telephone-type networks

IEEE Transactions on Instrumentation and Measurement

Volumn 47, Issue 5, 1998, Pages 1322-1325

  Bertocco, Matteo ^a,b   Paglierani, Pietro ^c  

^a IEEE   (Italy)

^b UNIVERSITY OF PADOVA   (Italy)

^c Necsy Network Control Systems   (Italy)

Author keywords

Communication systems fault diagnosis; Echo interference; Estimation; Measurement; Signal processing; Telephony

Indexed keywords

ADAPTIVE FILTERING; CORRELATION METHODS; SIGNAL INTERFERENCE; SIGNAL PROCESSING;

ECHO MEASUREMENT;

TELEPHONE SYSTEMS;

EID: 0032181253     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/19.746604     Document Type: Article

References (12)

1. ITU-T Recomm. P.561, "In service, nonintrusive measurement device-voice service measurement," Int. Telecommun. Union, Geneva, Switzerland, 1996.
2. Subworking Group, Amer. Nat. Stand.Telecommun., "In-service, non-intrusive measurement device (INMD) voice service measurement," Contribution T1m 1/90-026.
3. D. B. Ramsdem, "In-service, nonintrusive measurement of speech signals," in Proc. IEEE Globecom, Dec. 1991, vol. 3, pp. 1761-1764.
4. M. Bertocco and P. Paglierani, "A measurement system for in-service characterization of telephone-type systems," in Proc. XIV IMEKO World Congress, Tampere, Finland, June 1-6, 1997, pp. 553-558.
5. _, "Non-intrusive measurement of impulsive noise in telephone-type networks," in Proc. IEEE Instrumentation and Measurement Technical Conf., Ottawa, Ont., Canada, May 19-21, 1997, pp. 451-456.
6. R. Gitlin, J. Hayes, and S. Weinstein, Data Communications Principles. New York: Plenum, 1992.
7. P. C. Sommen et al., "Convergence analysis of a frequency-domain adaptive filter with exponential power averaging and generalized window function," IEEE Trans. Circuits Syst., vol. CAS-34, pp. 788-798, July 1987.
8. K. Feher, Telecommunications Measurements, Analysis, and Instrumentation. Englewood Cliffs, NJ: Prentice-Hall, 1987.
9. ITU-T Recomm. G.711, "Pulse code modulation (PCM) of voice frequencies," Int. Telecommun. Union, Geneva, Switzerland, 1988.
10. M. Bertocco and P. Paglierani, "In-service nonintrusive measurement of noise and active speech level in telephone-type networks," IEEE Trans. Instrum. Meas., accepted for publication.
11. S. M. Kay, Modern Spectral Estimation: Theory and Application. Englewood Cliffs, NJ: Prentice-Hall, 1987.
12. A. V. Oppenheim and R. W. Shafer, Digital Signal Processing. Englewood Cliffs, NJ: Prentice-Hall, 1975.