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8957743 Integrated circuit, communication unit and method for phase compensation  
A communication unit comprises a controller and a radio frequency signal path having a plurality of delay elements operably coupled to a series of respective amplifier stages, wherein the...
8866508 System and method for calibrating chips in a 3D chip stack architecture  
A system and method is disclosed for adaptively adjusting a driving strength of a signal between a first and second chip in a 3D architecture/stack. This may be used to adaptively calibrate a chip...
8810729 Method and apparatus for automatic compensation of signal losses from transmission over conductors  
A method and apparatus for automatic compensation of insertion loss in signals transmitted over conductors is presented. The present invention is particularly applicable to the transmission of...
8773409 Skew adjusting apparatus, transmitting and receiving system, and skew adjusting method  
A skew adjusting apparatus includes: latching circuits that latch other signals in synchronism with transition timing of the signal level of a reference signal among signals transmitted with a...
8754721 Electronic component and signal transmission method using the electronic component  
Multiple transmission inductors are formed over a substrate. A signal input channel is coupled to the multiple transmission inductors and a same transmission signal is inputted to the multiple...
8743945 Shift register based downsampled floating tap decision feedback equalization  
Described embodiments receive a signal by a set of fixed taps and a set of floating taps of a receiver, each tap corresponding to a detected symbol. Each of the floating taps is stored in a...
8729981 Precision delay line instrument  
Precision delay line instruments according to this disclosure may include a plurality of controller activatable delay loops of different delay length design values, and a controller configured to...
8711917 Sampling filter device  
A sampling filter device wherein the filter characteristic is variable without using a control signal of a complicated waveform is provided. A sampling filter device 105 has integration capacitors...
8705604 Method and apparatus for complex in-phase/quadrature polyphase nonlinear equalization  
Complex polyphase nonlinear equalizer (cpNLEQs) mitigate nonlinear distortions generated by complex in-phase/quadrature (I/Q) time-interleaved analog-to-digital converters (TIADCs). Example...
8699727 Visually-assisted mixing of audio using a spectral analyzer  
Processor-implemented methods and systems for visually-assisted mixing of audio using a spectral analyzer are disclosed. The system calculates and displays a spectral view for each track in an...
8698572 Delay line calibration  
A tunable delay line is calibrated to maintain the delay of the delay line at a desired value or within a desired range of values. In some aspects a signal is passed through a delay line multiple...
8680937 Differential equalizers with source degeneration and feedback circuits  
An embodiment of an equalizer includes a voltage-to-current converter and a current-to-voltage converter. The voltage-to-current converter is configured to convert a differential input voltage to...
8681847 Apparatus and method for equalizing channel based on channel estimation  
Provided is a channel equalizing apparatus and method for improving channel equalization performance in an Orthogonal Frequency Division Multiplexing (OFDM) reception system applied to digital...
8681851 Adaptive filter  
An adaptive filter includes: a filter configured to perform a filtering process for an input signal with a filter coefficient set therein, and output the processed input signal as an output...
8605847 Receiver training with cycle slip detection and correction  
In described embodiments, a transceiver includes a clock and data recovery module (CDR) with an eye monitor and a cycle slip monitor. The cycle slip detector monitors a CDR lock condition, which...
8594171 Method and apparatus for operating a diversity receiver with an equalizer and a rake receiver  
Techniques for operating a diversity receiver are described. A user equipment (UE) may include (i) a first receive chain having an equalizer and a first rake receiver and (ii) a second receive...
8582635 Sparse and reconfigurable floating tap feed forward equalization  
In described embodiments, a Floating Tap, Feed Forward Equalizer (FT-FFE) achieves performance comparable to a full size, long FFE when equalizing wire line channels in, for example, SerDes...
8576903 Techniques for adaptively adjusting decision levels of a PAM-N decision feedback equalizer  
A PAM-N decision feedback equalizer (DFE) comprises a coefficient computation unit; a feedback unit that mitigates, using computed feedback coefficients, effects of interference from data symbols;...
8558955 Cable equalization locking  
Provided herein are methods and systems that provide automatic compensation for frequency attenuation of a video signal transmitted over a cable. In accordance with an embodiment, a system...
8537885 Low-power down-sampled floating tap decision feedback equalization  
In described embodiments, a variety of down-sampling techniques are employed to generate a more constrained set of floating-tap positions when compared to floating-tap Decision Feedback...
8532167 Signal processing device having feed forward equalizing units with different tap numbers utilized in communication system  
The present invention provides a signal processing device. The signal processing device includes a first feed forward equalizing unit, a first data slicing unit, a second feed forward equalizing...
8520725 Data equalizing circuit and data equalizing method  
A data equalizing circuit includes an equalizer configured to control a gain of data according to a value of a control code and output a controller gain; and a detection unit configured to divide...
8509299 Decision feedback equalizer operable with multiple data rates  
Decision feedback equalization (DFE) circuitry and method for equalizing data signals over a wide range of data rates. By using delayed and controlled versions of the recovered data clock to...
8502557 Apparatus and methods for forming electrical networks that approximate desired performance characteristics  
Electrical networks are formed to produce an approximation of at least one desired performance characteristic, based on the recognition that fabrication variations introduce slight differences in...
8494099 Signal processing using modified blockwise analytic matrix inversion  
In one embodiment, a method for signal processing is provided that uses an improved inversion to mitigate the imprecision introduced by fast approximate methods for division. An input signal is...
8451382 Systems and methods for cable equalization  
Provided herein are methods and systems that provide automatic compensation for frequency attenuation of a video signal transmitted over a cable. In accordance with an embodiment, a system...
8446942 Waveform equalization circuit and waveform equalization method  
A waveform equalization circuit includes: a decision feedback equalization unit that feeds back and equalizes an input signal; a clock phase adjustment unit that adjusts a clock phase of a signal...
8422567 Signal transmission apparatus and method  
According to an aspect of the embodiment, a signal transmission apparatus includes a sine wave output unit that outputs a sine wave to a transmission path, network analyzers and that analyze...
8411733 Signal equalizer for a signal transmission network  
In an RF signal transmission network such as the reverse channels of a coaxial cable network, there is provided at least one adaptive equalizer for pre- or post-filtering inter-symbol interference...
8390740 Systems and methods for cable equalization  
Provided herein are methods and systems that provide automatic compensation for frequency attenuation of a video signal transmitted over a cable. In accordance with an embodiment, a system...
8385396 Waveform equalizer and method for controlling the same, as well as receiving apparatus and method for controlling the same  
The present invention relates to a waveform equalizer and a method for controlling the same, as well as a receiving apparatus and a method for controlling the same whereby better receiving...
8319579 Passive filter and AC coupler receiver interface  
An apparatus includes a capacitor coupled between a first node responsive to receive an input signal and a second node. The apparatus includes a first circuit coupled to the second node and a...
8320439 Methods and apparatus for adaptive link partner transmitter equalization  
Methods and apparatus are provided for adaptive link partner transmitter equalization. According to one aspect of the invention, a local transceiver adapts one or more equalization parameters of a...
8320440 Equalizer circuit  
An equalizer circuit receives digital amplitude data A[N] which represents the amplitude level of the N-th (N is a nonnegative integer) signal to be transmitted via a transmission line and timing...
8295340 Minimum mean square error equaliser with reduced complexity  
The present invention relates to the field of communication devices, e.g. wireless communication devices. More particularly, the present invention relates to the field of signal equalization,...
8295392 Digital communication system, indoor unit, and outdoor unit  
A digital communication system, an indoor unit, and an outdoor unit in which characteristic variation due to temperature is small are provided. The digital communication system comprises an IDU 1...
8284827 Equalizer and method applied thereto  
The equalizer presented includes a first feed-forward equalization module, a second feed-forward equalization module, and a phase error corrector. The first and the second feed-forward...
8270546 Reception station, communication system and transmission diversity control method  
In a transmission diversity control method in which a request to start or stop transmission diversity is issued by a reception station to a transmission station having a transmission diversity...
8259854 Channel estimation using common and dedicated pilots  
The present invention relates to a receiver apparatus and method of channel estimation in a telecommunication system which provides at least two pilot sequences, and to a computer program product....
8223827 Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation  
A method and apparatus are provided for determining a plurality of filter tap weights or biases (or both) for a noise predictive filter used to generate one or more signal dependent branch...
8184723 Feedback system and apparatus for video compensation  
A system and apparatus for compensating cable losses in a video signal transmission system includes feedback circuits to determine the spectral attenuation of a received signal and to control an...
8165192 Waveform equalizer  
Tap coefficients of an FIR filter are prevented from converging to wrong values. A waveform equalizer for performing waveform equalization of an input signal and outputting a waveform equalization...
8155179 Adaptive cable equalizer  
An adaptive cable equalizer includes a data signal input unit, a clock signal input unit, a variable equalizer that inputs a data signal input from the data signal input unit, and a transition...
8150070 Sound signal equalizer for adjusting gain at different frequency bands  
A bass and treble audio tone control circuit configured as an integrated circuit, wherein a capacitor for setting a frequency band can be accommodated in an integrated circuit. A LPF extracts a...
8120442 Semiconductor device  
A semiconductor device includes transmission lines for conveying signals and transition detectors, each of which checks whether a transmission signal on each of the plurality of transmission lines...
8081676 Method and apparatus for data reception  
Method and apparatus for data reception are provided, retrieving digital values transmitted through a cable. In a data receiver, an equalizer equalizes an input signal based on a boost value to...
8064510 Analog encoder based slicer  
A method and an apparatus for slicing an analog signal using an analog encoder.
8059706 Method and system for transmission and/or reception of signals utilizing a delay circuit and DDFS  
Aspects of a method and system for transmission and/or reception of signals utilizing a delay circuit and a DDFS are provided. In this regard, a first signal may be delayed by 90°, via a plurality...
8054876 Active delay line  
A delay line for deployment in an equalizer to insert a delay in a signal received by the delay line employs a plurality of cascaded delay stages where the delay per stage provided by an active...
8054873 Joint phased training of equalizer and echo canceller  
A method and apparatus for joint training of an analog equalizer (AEQ) and an analog echo canceller (AEC) is described. In one embodiment, which both the AEQ and AEC process an input analog signal...