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9042488 Phase offset compensator  
A phase offset compensator for compensating a phase offset is provided. The phase offset includes a first phase sub-offset and a second phase sub-offset. The phase offset compensator includes a...
9042437 Programmable HDMI cable and method including external programmer  
A method for optimizing the performance of an active HDMI cable. An active cable compensator is provided within the HDMI cable itself. The parameters controlling each of the active components...
9042498 DM-CM diversity receiver for a wireline communication system  
In general, the present invention provides methods and apparatuses for exploiting the extra degree of freedom provided by the sensing of the CM signal along with the DM signal at the receiver end...
9042497 Method and apparatus for mitigating signal interference in a feedback system  
A system that incorporates the subject disclosure may include, for example, a process that includes adjusting a filter in electrical communication between an input terminal and a demodulator. The...
9042435 Transmitter and receiver for frequency domain equalization  
A transmitter and/or receiver for performing frequency domain equalization is provided. A transmitter includes a pilot position determination unit for determining positions for inserting pilots in...
9042434 Filter  
Method and filter for filtering a signal, in which the signal is applied to a delay line having a plurality of taps. Respective weighting coefficients of a windowing function are applied to...
9042436 Asymmetric multi-channel adaptive equalizer  
An apparatus is disclosed to compensate for non-linear effects resulting from the transmitter, the receiver, and/or the communication channel in a communication system. A receiver of the...
9036690 Frequency-domain equalizing device and receiving device  
A frequency domain-equalizing device receives a digitally modulated single-carrier signal and carries out multipath equalization in a frequency domain. This frequency domain-equalizing device...
9036751 Skew compensation based on equalizer coefficients  
A receiver applies a calibration method to compensate for skew between input channels. The receiver skew is estimated by observing the coefficients of an adaptive equalizer which adjusts the...
9036689 Variable-precision distributed arithmetic multi-input multi-output equalizer for power-and-area-efficient optical dual-polarization quadrature phase-shift-keying system  
A variable-precision distributed arithmetic (VPDA) multi-input multi-output (MIMO) equalizer is presented to reduce the size and dynamic power of 112 Gbps dual-polarization quadrature...
9031124 Scheme for generating hypothesis and estimating a carrier frequency offset in a receiver  
A method of generating a hypothesis and estimating a CFO includes receiving a signal including a set of radio frames, dividing each received radio frame of the set into a set of received...
9025653 Blind frequency domain interference aware chip-level equalization  
A frequency domain chip-level equalizer is disclosed. The equalizer includes an estimation module configured to generate a frequency domain estimate of an auto-correlation function of a received...
9025652 Variable inter symbol interference generator  
Embodiments of the present invention provide a variable inter symbol interference generator that generates a data signal having a variable amount of inter symbol interference by passing a data...
9025651 Simplified polarization mode dispersion equalization  
Methods, systems, and devices are described for equalizing data from an optical signal. Samples are filtered with at least one filter to compensate for polarization mode dispersion in an optical...
9025655 Transmitter training using receiver equalizer coefficients  
A method of adjusting a post-cursor tap weight in a transmitter FIR filter in a high-speed digital data transmission system. A receiver, over a forward channel, receives a signal from the...
9020025 Transceiver with single coefficient based equalizer taps  
A transceiver including an equalizer and a control circuit. The equalizer receives an input signal and first coefficients. The equalizer includes taps that, based on the first coefficients, filter...
9020082 Adaptive control of low-frequency equalizers  
A method includes, by a detector, receiving from a low frequency equalizer a data signal and an error signal, matching a tail portion of the data signal to a tail portion of an extended...
9020022 Analog finite impulse response adaptation method and apparatus  
A SerDes receiver comprising: an input for receiving a signal, the signal having a baud rate; an Analog Finite Impulse Response equalizer (AFIR) for equalizing the received signal, the AFIR...
9020021 Precoding loss reduction  
An apparatus for encoding data signals includes a transmitter configured to encode and transmit a data signal over a communication channel, the transmitter including a precoder; a signal shaper...
9020024 Rate-adaptive equalizer that automatically initializes itself based on detected channel conditions, and a method  
A rate-adaptive equalizer automatically initializes its tap coefficients to values. During an initialization process, a linear search algorithm is performed that sweeps the tap coefficients...
9020023 Reception device and reception method  
The present technique relates to a reception device and a reception method which can improve equalization performance. An equalization processing unit has a time domain equalization unit which...
9014250 Filter for impulse response shortening with additional spectral constraints for multicarrier transmission  
A channel in a multiple carrier communication system is equalized by computing a desired spectral response, shortening the impulse response of the channel so that a significant part of an energy...
9014251 Rank-order equalization  
For digital data transmitted using a vector signaling encoding, a rank-order equalizer cancels various channel noise such as inter-symbol interference. Further, rank-order units may be cascaded to...
9014254 Testing a decision feedback equalizer (‘DFE’)  
Testing a Decision Feedback Equalizer (‘DFE’), the DFE including a summing amplifier operatively coupled to a plurality of latches and an input signal line for receiving a data signal, including:...
9008168 Signal equalizer for balanced transfer line-based video switching  
A method of equalizing signals from a plurality of balanced transmission line cables having different lengths includes providing a first cable having a first length and a second cable having a...
9008167 Methods and arrangements for phase tracking for multi-mode operation in wireless networks  
Logic may comprise a single phase tracking implementation for all bandwidths of operation and the logic may adaptively change pre-defined and stored track parameters if the receiving packet is 1...
9008196 Updating interface settings for an interface  
A computer system includes a processor, and the processor includes at least one interface for communicating with an electronic component. Each of the at least one interface has a set of interface...
9001943 Digital equalizer adaptation using on-die instrument  
Systems and methods are provided for adjusting gain of a receiver. Adaptation circuitry is operable to identify, based on a matrix representation of a receiver's output generated from horizontal...
8995518 Equalizer for heavily clipped or compressed communications signals  
Apparatus and methods mitigate a problem of equalizing communications signals that have been distorted by severe non-linearities such as clipping or harsh compression. For example, severe...
8995932 Transmitter noise suppression in receiver  
Systems and methods for suppressing transmitter noise in a receive band of a co-located receiver that are suitable for wideband applications are disclosed. In one embodiment, an analog radio...
8995519 Adaptive equaliser with asynchronous detection and inhibit signal generator  
Generating updated coefficients for an adaptive equalizer involves generating phase tracking information using asynchronous detection strategy (ADS) based on resolved data, and equalized signals,...
8995520 Analog continuous-time phase equalizer for data transmission  
In particular embodiments, a method includes receiving as an input signal a phase-distorted signal or a transmitted-data signal, the phase-distorted signal having been distorted from a...
8989250 Method and apparatus for equalizing distortion in a digital pre-distortion observation path  
Methods and circuits for equalizing a linear response in an observation path of a digital pre-distorter. A method comprises generating observed signals in an observation path based on observing a...
8989252 Methods and apparatus for power efficient iterative equalization  
Systems and methods for power efficient iterative equalization on a channel are provided. An iterative decoder decodes received data from a channel detector using a decoding process. The decoder...
8989729 Network monitoring of user equipment events  
Embodiments of the claimed subject matter provide a method for supporting network monitoring of user equipment events. Some embodiments of the method include receiving, at a home subscriber server...
8989587 Operational state information generation in an optical transceiver  
Methods, algorithms, architectures, circuits, and/or systems for determining the status of parameters associated with optical transceiver operation are disclosed. The method can include (a)...
8989253 Reconditioning equalizer filter for non-constant envelope signals  
A technique for a reconditioning equalizer filter for non-constant envelope signals is described. The input to a transmitter chain is modified by a reconditioning equalizer filter, prior to being...
8989214 High-speed serial data signal receiver circuitry  
Circuitry for receiving a high-speed serial data signal (e.g., having a bit rate in the range of about 10 Gpbs and higher) includes a two-stage, continuous-time, linear equalizer having only two...
8989602 Digital coherent optical receiver, adaptive equalizer, and digital coherent optical communication method  
A digital coherent optical receiver includes a processor that is operative to separate electric signals obtained by converting an optical signal into a horizontal signal component and a vertical...
8989588 Optical transceiver with equalization and controllable laser interconnection interface  
An optical transceiver includes an optical IC coupled to a processor IC. For transmit, the optical IC can be understood as a transmitter IC including a laser device or array. For receive, the...
8983000 Receiver circuit and method for operating a receiver circuit  
A receiver circuit includes a unit configured to determine filter coefficients based on a sampling time error of a received signal and a phase error of the received signal, as well as a filter...
8982939 Low power digital phase interpolator  
Described herein is an apparatus, method and system corresponding to relate to a low power digital phase interpolator (PI). The apparatus comprises: a digital mixer unit to generate phase signals...
8984038 Method and system for unconstrained frequency domain adaptive filtering  
Aspects of a method and system for unconstrained frequency domain adaptive filtering include one or more circuits that are operable to select one or more time domain coefficients in a current...
8982940 Adaptive equalization method and adaptive equalizer  
The present disclosure relates to the field of network communication, and specifically discloses an adaptive equalization method, including: obtaining a first filtered signal according to a first...
8976855 Power and area efficient receiver equalization architecture with relaxed DFE timing constraint  
An exemplary receiver equalizer includes a first decision feedback equalizer (DFE) sampler coupled to a summer, the first DFE to latch an equalized output of the summer. The first branch includes...
8976854 Method and apparatus for feed forward equalizer with variable cursor position  
A reconfigurable P-way parallel N-tap feed forward equalizer includes an adaptive filter configured to generate a series of coefficients (taps) and an input register for storing input symbols. A...
8976853 Signal reception using non-linearity-compensated, partial response feedback  
A receiver may receive a signal that was generated by passage of symbols through a non-linear circuit. An equalizer of the receiver may equalize the received signal based on a first non-linearity...
8976909 Nonlinear detectors for channels with signal-dependent noise  
A non-linear detector for detecting signals with signal-dependent noise is disclosed. The detector may choose a data sequence that maximizes the conditional probability of detecting the channel...
8971396 Windowed-based decision feedback equalizer and decision feedback sequence estimator  
A method and system are provided for performing Decision Feedback Equalization (DFE) and Decision Feedback Sequence Estimation (DFSE) in high-throughput applications that are not latency critical....
8971447 Variable delay of data signals  
A data signal delay system may include a delay unit and a phase interpolation unit. The delay unit may include multiple delay elements that each have an element delay. The delay unit may be...