Match Document Document Title
9042501 Receiving circuit, use, and method for receiving an encoded and modulated radio signal  
A receiving circuit, use, and method for receiving an encoded and modulated radio signal is provided. The circuit comprise a demodulator and a digital filter connected downstream of the...
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...
9031123 Communication system and method using subspace interference cancellation  
A receiver performs interference mitigation under blind or semi-blind conditions using diversity present in the signal of interest or in the interferer. A first path interference mitigation...
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...
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...
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...
9020020 System and method for a Krylov Method Symbol equalizer  
Disclosed are various embodiments for a symbol level Krylov method equalizer implemented in a wireless communications device. An HSDPA or WCDMA signal is input to the wireless communications...
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...
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:...
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,...
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...
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...
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...
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...
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...
8964826 Time domain analog multiplication techniques for adjusting tap weights of feed-forward equalizers  
Feed-forward equalizer (FFE) circuits and methods are provided which implement time domain analog multiplication for adjusting FFE tap weights. For example, a method includes inputting data...
8958471 Method, apparatus, and system for sliding matrix scoreboard utilized in auto feedback closed loops  
Requests are identified for equalization coefficients and a plurality of coefficient selections are tracked relating to the requests. A matrix is maintained within a grid space that is to...
8958469 Digital receiver equalization system  
A digital receiver equalization system has a digitized signal input derived from an analog front-end of a digital receiver and having a relatively wide bandwidth. A synthesis channelizer...
8953669 Decision feedback equalizer  
A decision feedback equalizer that can operate at higher speed is provided. The decision feedback equalizer includes a weighting addition circuit (adder 21, coefficient units Tap1a, Tap2 to Tapn)...
8934526 Improvements relating to equalizers  
Methods and apparatus adapting equalizers for compensating for signal distortion of a received digital signal are disclosed. The method comprises deriving equalizer settings for a received signal,...
8929501 Method and apparatus for synchronization of data and error samples in a communications system  
A method and apparatus for processing input data signals transmitted in a continuous mode, or in a burst mode, of signal transmission, such as in a satellite or a computer network communications...
8917803 Circuits and methods for characterizing a receiver of a communication signal  
Circuits and methods characterize a receiver. The circuit includes a decision feedback equalizer (DFE) circuit, a clock and data recovery (CDR) circuit, a data checker, and an eye-scan controller....
8913654 Data processing device and method for analyzing stability of data processing device  
In a data processing device and a method for analyzing stability of the data processing device, one or more sets of equalization parameters and a predetermined bit error ratio (BER) are received....
8913655 Feed-forward equalizer architectures  
Circuits and methods are provided for efficient feed-forward equalization when sample-and-hold circuitry is employed to generate n time-delayed versions of an input data signal to be equalized. To...
8891691 Data processing apparatus and method for use in an interleaver suitable for multiple operating modes  
A data processing apparatus maps input symbols to be communicated onto a predetermined number of sub-carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol. The data...
8891692 Data processing apparatus and method for interleaving and deinterleaving data  
A data processing apparatus is arranged to map input data symbols to be communicated onto a predetermined number of sub-carrier signals of Orthogonal Frequency Division Multiplexed OFDM symbols....
8891607 Feed forward equalizer tap weight adaptation based on channel estimation  
An apparatus including a receiver having a feed forward equalizer (FFE) coupled to a communication channel. The receiver may be configured to adjust the FFE using information based on an estimate...
8891710 Frequency-domain filtering for channel estimation in communications systems  
A method of channel estimation includes receiving a signal after transmission over a media having a plurality of sub-carriers in a frequency band. The signal is preprocessed including performing a...
8885697 Reception device  
A reception device includes two antennas 1-1, 1-2 that are in an inverse correlation, a switching unit 4 which switches the signal that is to be processed among signals received by the two...
8885761 Data processing apparatus and method  
A data processing apparatus maps input symbols to be communicated onto a predetermined number of sub-carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol. The data...
8879615 Equalization adaptation using timing detector  
An equalization adaptation circuit comprises an equalizer, a transition determination circuit, a phase error circuit, a sequence recovery circuit, a phase error accumulator circuit, a transition...
8873613 Detection process for a receiver of a wireless MIMO communication system  
A detection process for a receiver of a wireless communication system based on Multiple-In-Multiple-Out antennas, the process involving: —a preprocessing which only depends on the channel H, said...
8873612 Decision feedback equalizer with multiple cores for highly-spectrally-efficient communications  
One or more embodiments describe a decision feedback equalizer with multiple cores for highly spectrally efficient communications. An equalization circuit in a receiver may include a decision...
8867599 Equalization of transmissions  
Transmissions from mid-bus test equipment to a first device and from a second device to the mid-bus test equipment are equalized. Equalization instructions are passed from the first device through...
8867598 Timing and data recovery in feed-forward equalization  
An equalizer is disclosed, and associated operational method. The equalizer has a configuration that balances performance and complexity by obtaining samples that are strongly correlated with...
8867597 Method, device and system for clock dejitter  
The present invention discloses a clock dejitter method comprising: a data sending adapter module inputting data with a system clock and using a sending clock to send data; a clock dejitter module...
8861580 Method and apparatus for determining one or more channel compensation parameters based on data eye monitoring  
Methods and apparatus are provided for determining one or more channel compensation parameters based on data eye monitoring. According to one aspect of the invention, a method is provided for...
8861583 Apparatus and methods for equalizer adaptation  
One embodiment relates to an equalizer circuit for a data link. The equalizer circuit including a continuous-time linear equalizer, a first circuit loop, and a second circuit loop. The...
8855183 Adaptive covariance matrix conditioning for a linear equalizer with receive diversity  
A method of wireless communication with improved performance employs an equalizer receiver with multiple receive antennas. Equalizer taps for linear filters of the equalizer receiver are generated...
8848826 Method for adaptively driving data transmission and communication device using the same  
A method for adaptively driving data transmission and a communication device using the same are provided. The proposed method includes following procedures. Detection result is generated after...
8842722 Decision feedback equalizers with high-order continuous time feedback  
Equalization techniques are provided for high-speed data communications and, more specifically, DFE (decision feedback equalizer) circuits and methods are provided which implement a high-order...
8837571 Apparatus and methods for on-die instrumentation  
One embodiment relates to a receiver with both decision feedback equalization and on-die instrumentation. A clock data recovery loop obtains a recovered clock signal from an input signal, and a...
8837572 Receiver and method for equalizing signals  
A receiver and a method for equalizing signals, the method includes: receiving input signals; sampling the input signals to provide oversampled samples; processing the oversampled samples to...
8831082 Systems and methods for blind mode adaptive equalization with multiple algorithms  
Various embodiments described herein are directed to methods and systems for blind mode adaptive equalizer system to recover complex valued data symbols from the signal transmitted over...
8824540 Decision feedback equalizers with high-order continuous time feedback  
Equalization techniques are provided for high-speed data communications and, more specifically, DFE (decision feedback equalizer) circuits and methods are provided which implement a high-order...
8824527 OFDM receiver with time domain channel estimation  
An OFDM communication system performs time domain channel estimation responsive to received symbols before the symbols are processed by a fast Fourier transform. The communication system generates...
8824537 Signal processing in wireless communication receivers  
A method, receiver and program for equalizing digital samples of a radio signal received over a wireless communications channel. The method comprises: receiving digital samples of the radio...