Patent ID: 8576691
Filing Date: 2013-11-05
Classification: H04B,H04L,H04M

Abstract:
1. A method for crosstalk channel estimation, comprising: loading, on a newly added line K, a combination of K-1 signals sent on lines 1 to K-1, obtaining a measured signal-to-noise ratio (SNR) of the line K loaded with the combination of the K-1 signals sent on the lines 1 to K-1, and calculating crosstalk channels of the line K according to K-1 coefficients of the K-1 signals sent on the lines 1 to K-1 and the measured SNR; wherein the step of loading the combination of the K-1 signals sent on lines 1 to K-1 comprises: loading the combination of the K-1 signals sent on lines 1 to K-1 according to a formula: wherein ε indicates a step; z i (n) indicates a coefficient of line i during SNR measurement n; s i (n) (l) denotes a signal to be sent on symbol 1 of line i during SNR measurement n; and x K (n) (l) denotes a signal actually sent on the line K.