Title :
Echo canceler performance analysis in four-wire loop systems with correlated AR subscriber signals
Author :
Homer, John ; Mareels, Iven M Y
Author_Institution :
Dept. of Electr. Eng., Queensland Univ., St. Lucia, Qld., Australia
fDate :
1/1/1995 12:00:00 AM
Abstract :
By using a simple example we illustrate the effect of autocorrelation and cross correlation of subscriber signals on the achievable performance of adaptive echo cancelers in a four-wire telephone network
Keywords :
FIR filters; adaptive filters; autoregressive processes; correlation methods; echo suppression; subscriber loops; telephone interference; telephone networks; autocorrelation; correlated AR subscriber signals; cross correlation; echo canceler performance analysis; four-wire loop systems; four-wire telephone network; Differential equations; Finite impulse response filter; Helium; Hidden Markov models; Iron; Maximum likelihood detection; Performance analysis; Steady-state; Stochastic processes; Telephony;
Journal_Title :
Information Theory, IEEE Transactions on