Inventor
MILLAR DOUGLAS J
CA4 patents
Patents
4 patentsUS5343522AAug 30, 1994
Adaptive sparse echo canceller using a sub-rate filter for active tap selection
NORTHERN TELECOM LTD67 citations89
US5121395AJun 9, 1992
Transmission error protection for TDMA digital channels
NORTHERN TELECOM LTD35 citations89
US4782525ANov 1, 1988
Echo cancellation in two-wire transmission path repeaters
NORTHERN TELECOM LTD38 citations89
US4593398AJun 3, 1986
Adaptive differential PCM system with residual-driven adaptation of feedback predictor
NORTHERN TELECOM LTD11 citations70