Method and apparatus for adaptive equalization using feedback indicative of undercompensation

B Gaudet - US Patent 6,002,717, 1999 - Google Patents
An adaptive equalization filter system and method [including a controllable equalization
filter] which filters a signal received over a transmission link in response to feedback …

Method and apparatus for improved high-speed adaptive equalization

JS Wang, S Bhoja, S Pavan - US Patent 7,301,997, 2007 - Google Patents
A method and apparatus for improved high-speed adaptive equalization that may operate
effectively even in systems experiencing severe interference by using one or more error …

Adaptive equalizer with passive and active stages

S Gondi, K Abe - US Patent 7,656,939, 2010 - Google Patents
BACKGROUND This invention relates to systems and methods for improv ing the bandwidth
in equalizers. Data which is transmitted through a communications chan nel suffers from …

Constrained adaptive equalizer

JAC Bingham, JH Kurzweil - US Patent 4,422,175, 1983 - Google Patents
Disclosed is a constrained adaptive equalizer for use in a digital communication system
receiver combining transversal and decision feedback equalization tech niques. The …

Gain adaptive equalizer

K Jones, G Trevino, W Jones - US Patent App. 10/188,615, 2004 - Google Patents
A method and apparatus is provided for processing a signal to remove or reduce the
unwanted effects of transmission through the transmission line. To reverse, negate or …

Protocol agnostic method for adaptive equalization

P Singh, B Hardy, D Grillo - US Patent App. 10/425,842, 2004 - Google Patents
The present invention is a method and system for providing adaptive equalization that is
protocol independent. The frequency content of a signal after transmission may be …

Using clock and data recovery phase adjust to set loop delay of a decision feedback equalizer

A Momtaz - US Patent 7,330,508, 2008 - Google Patents
In a method and apparatus for communicating data, a decision feedback equalizer
equalizes received data to reduce channel related distortion in the received data. An …

Automatic adaptive equalizer implementation amenable to mos

ED Gibson - US Patent 3,699,321, 1972 - Google Patents
The present invention is an adaptive equalizer which utilizes a first shift register to store
received signal samples and a second shift register to store gain settings. The serial output …

Adaptive equalizer

A Ushirokawa, I Tsujimoto - US Patent 5,228,058, 1993 - Google Patents
An adaptive equalizer for adaptively equalizing a signal received over a channel on which
intersymbol interference occurs. The adaptive equalizer accurately updates the tap …

Carrier phase recovery for an adaptive equalizer

WH Paik, SA Lery, AS Tom - US Patent 5,311,546, 1994 - Google Patents
A method and apparatus are provided for adaptively equalizing data signals in a
communications receiver. An unequalized data signal is demodulated. The demodulated …