Patent ID: 9621382
Date: 2017-04-11
CPC Classifications: H04B,H04J,H04L,H04N

Claim:
1. A system for generating channel diagnostics information in a communication system, comprising: a digital signal processor including an adaptive equalizer to equalize a digital signal vector, the adaptive equalizer to adaptively update equalizer coefficients based on characteristics of the digital signal vector and to generate an equalized signal vector; a demodulator to demodulate the equalized signal vector to generate a demodulated signal; a decoder to decode the demodulated signal to generate a decoded signal; a channel diagnostics block to obtain the equalizer coefficients of the adaptive equalizer to determine an estimated frequency response of the adaptive equalizer over a range of frequencies based on the equalizer coefficients, and to determine an average differential group delay in the digital signal vector over the range of frequencies based on the estimated frequency response.