Title :
An adaptive fractional T/2 equalizer for high-efficient telephone channel data modem
Author :
Krstic, Vladimir R.
Author_Institution :
Inst. `Mihajlo Pupin´, Volgina
Abstract :
The T/2 fractional passband equalizer, developed for a modem following V.32 and V.33 CCITT recommendations, is presented. The block LMS algorithm controls all adaptive equalizer parameters. This algorithm attains the same performance as a standard LMS, but is computationally less complex due to a more efficient use of signal processor capabilities. An important feature of this equalizer is the adaptive carrier phase tracking system designed to suppress phase jitter
Keywords :
equalisers; least squares approximations; modems; telecommunication channels; telephony; CCITT recommendations; T/2 fractional passband equalizer; V.32; V.33; adaptive carrier phase tracking system; adaptive fractional T/2 equalizer; block LMS algorithm; phase jitter suppression; signal processor; telephone channel data modem; Adaptive filters; Equalizers; Equations; Frequency; Jitter; Modems; Phase locked loops; Phase noise; Signal processing algorithms; Telephony;
Conference_Titel :
Electrotechnical Conference, 1991. Proceedings., 6th Mediterranean
Conference_Location :
LJubljana
Print_ISBN :
0-87942-655-1
DOI :
10.1109/MELCON.1991.161877