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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...
9036459 Rectangular power spectral densities of orthogonal functions  
In this application, a set of orthogonal functions is introduced whose power spectral densities are all rectangular shape. To find the orthogonal function set, it was considered that their...
9036752 Low-delay filtering  
A method of frequency-domain filtering is provided that includes a plurality of filters, the plurality of filters including at least one constrained filter(s) W=I, I and at least one unconstrained...
9021161 System and method for electro-cardiogram (ECG) medical data collection wherein physiological data collected and stored may be uploaded to a remote service center  
A data collection unit obtains physiological data from a subject interface on a subject. The subject interface can be connected to the data collection unit. When the subject interface is connected...
9008249 Detection and filtering of an undesired narrowband signal contribution in a wireless signal receiver  
Techniques are provided which may be implemented using various methods and/or apparatuses in a device comprising a receiver to scan a spectral band of a received signal comprising a desired signal...
9002917 Generating filter coefficients for a multi-channel notch rejection filter  
Provided is a system for generating coefficient values. The system may include a base function generator and a series of accumulators including a leading and a last accumulator. In the series of...
8996598 Latency compensation  
Systems and methods for latency compensation are disclosed. In one embodiment, a computer-based system for latency compensation in a dynamic system comprises a processor and logic instructions...
8996597 Nyquist constrained digital finite impulse response filter  
Various embodiments of the present invention provide apparatuses and methods for filtering a digital signal with a Nyquist constrained digital finite impulse response filter. For example, an...
8990279 Filter shaping using a signal cancellation function  
A signal filter and accompanying methods. In one embodiment, the filter includes a first mechanism for receiving a first signal. A second mechanism employs one or more modified representations of...
8989512 Symmetric filter arithmetic apparatus and symmetric filter arithmetic method  
A symmetric filter arithmetic apparatus includes a first data shuffling unit which reads a first data string that is a plurality of consecutive pieces of data from a register file and extract,...
8984037 Power supply control apparatus  
A power supply control apparatus includes a first adder configured to generate a difference signal based on a target value and a feedback signal; a compensator having a first transfer function...
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...
8965942 Systems and methods for sample rate tracking  
Systems and methods for sample rate tracking are provided. An example method includes computing an actual latency associated with an output sample from an output sample stream. The actual latency...
8937506 Rotating coefficient filter  
A circuit that provides a rotating coefficient FIR filter with all necessary coefficient sets present at the same time, without the need for delay elements or devices providing for adjustable...
8930430 Chromatic dispersion estimator and method for estimating a chromatic dispersion  
A chromatic dispersion estimator for estimating a chromatic dispersion in an input signal block comprises a transformer for transforming the input signal block into a transformed signal block in...
8924451 Reception apparatus, reception method and program for single carrier and multicarriers data  
Disclosed herein is a reception apparatus, including a first equalization section, a second equalization section, and an arithmetic operation section. The first equalization section is adapted to...
8918444 Method and device for filterling an input signal  
The filter device includes a filter for filtering the input signal with a first set of filter coefficients, and for filtering the input signal with a second set of coefficients, a frequency domain...
8909685 Pattern recognition of a distribution function  
Various embodiments of systems and methods for pattern recognition of a distribution function are described herein. An influenced distribution function corresponding to an influenced attribute is...
8892618 Methods and apparatuses for convolutive blind source separation  
Methods and apparatuses for convolutive blind source separation are described. Each of a plurality of input signals is transformed into frequency domain. Values of coefficients of unmixing filter...
8886693 Efficiently update coefficients of an adaptive filter  
An adaptive filter configured to filter an input signal comprises Fourier transforming unit configured to transform the input signal into a frequency domain signal upon the basis of the Fourier...
8886694 S12 TX FIR architecture  
A FIR transmit architecture uses multiple driver divisions to allow signals with different delays to be summed into the output signal by the driver itself. The architecture includes a first...
8879663 Adaptive filtering for canceling distortion in radio frequency signals  
Adaptive filtering is used to substantially cancel distortion in radio frequency (RF) signals. Such adaptive filtering can be used in an RF transmitting module to pre-compensate an RF signal with...
8880572 Low delay modulated filter bank  
The document relates to modulated sub-sampled digital filter banks, as well as to methods and systems for the design of such filter banks. In particular, the present document proposes a method and...
8874633 Determining coefficients for digital low pass filter given cutoff and boost values for corresponding analog version  
Methods and apparatus are provided for determining coefficients for a digital low pass filter, given cutoff and boost values for a corresponding analog version of the digital low pass filter....
8861657 Frequency offset compensation for multi-carrier communication systems  
The present disclosure provides a frequency offset compensation technique for use by a multi-carrier receiver. Compared with legacy receiver designs, the technique introduces a new function which...
8849883 Method and apparatus for adaptive control of the decimation ratio in asynchronous sample rate converters  
An asynchronous sample rate converter prevents the folding back of a signal in the passband of an input sample rate into the passband of the output sample by adaptively controlling the decimation...
8832170 System and method for least mean fourth adaptive filtering  
The system and method for least mean fourth adaptive filtering is a system that uses a general purpose computer or a digital circuit (such as an ASIC, a field-programmable gate array, or a digital...
8824076 Systems and methods for NPML calibration  
The present invention is related to systems and methods for adaptive parameter modification in a data processing system.
8812571 Spectrum agile radio  
A spectrum agile radio having one or more variable digital filters is described. To quickly, yet accurately, retune the digital filter(s) a windowing function is applied to an ideal filter...
8805554 Notch filter for control signals in PWM controlled systems  
A notch filter includes first, second, and third difference modules, a delay module, and a gain module. The first difference module calculates a first difference between a control signal in a...
8804880 Methods for fast and low-power UWB IR baseband receiver synchronization  
The invention relates to methods for synchronizing a device to a signal containing a train of pulses representing a programmable number of repetitions of a predetermined code. Pulse position and...
8804869 OFDM PAPR reduction using cancelation vectors  
A Symbol vector for RF transmission after multiplexing onto a subset of a set of subcarriers using OFDM is transformed to the time domain. A first time domain cancellation vector is generated from...
8804804 Estimation and compensation for carrier frequency offset and sampling clock offset in a communication system  
A system for estimating clock frequency offset and sampling clock offset in a communication system is provided. A receiver is configured to receive a communication signal having been transmitted...
8793298 Reconfigurable digital signal filter processor  
A reconfigurable digital signal filter processing unit for use in a communication device is provided. The reconfigurable filters processor can implement different filter topologies to adapt to a...
8788554 Sub-band adaptive FIR-filtering  
A method for designing a set of sub-band FIR filters, where each FIR filter has a number of filter coefficients and is connected to an adjustable delay line. The method includes dividing an input...
8788555 Method for updating an encoder by filter interpolation  
A method for updating the processing capacity of an encoder or decoder to use a modulated transform having a size greater than a predetermined initial size is provided, particularly, where the...
8788557 Bi-phasic applications of real and imaginary separation, and reintegration in the time domain  
A signal is decomposed into different components using a transform, with the components then being separately presented to a person in a manner that produces a different cognitive experience than...
8775063 System and method of lane path estimation using sensor fusion  
A method for estimating a projected path of travel for a vehicle on a road includes monitoring a plurality of sensor inputs, determining a road geometry in front of the vehicle based upon the...
8768994 Filter auto-calibration using multi-clock generator  
A filter auto-calibration system includes a multi-clock module. The multi-clock module includes a multi-clock generator that is configured to generate a clock signal with a variable frequency...
8767890 Apparatus and method for analyzing identification signal based on partial correlation  
Provided is an apparatus and method for analyzing identification (ID) signals by converting radio frequency (RF) signals which are transmitted with an ID signal added thereto by a transmitting...
8756266 Partially complex modulated filter bank  
An apparatus for processing a plurality of real-valued subband signals using a first real-valued subband signal and a second real-valued subband signal to provide at least a complex-valued subband...
8756265 Audio filter bank design  
A system, method, and computer program product are provided for reducing ripple in a filter bank. For a given fixed number of linearly-spaced filters in the filter bank, a monotonically increasing...
8751553 Filtering device with a hierarchical structure, and reconfigurable filtering device  
The invention provides a filtering device with hierarchical structure making it possible to carry out finite impulse response and infinite impulse response linear filtering functions and which can...
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...
8743910 Method and apparatus for selecting a channel filter for a communication system  
A signal receiver is arranged to process a portion of a received signal in each of a plurality of filter branches and to determine a quality metric for each branch. The configuration of a second...
8738678 Methods and systems for determining an enhanced rank order value of a data set  
The value of a median or other rank of interest in a dataset is efficiently determined. Each active bit of the dataset is serially processed to compute one bit of the output value from each bit of...
8731122 Spurious component reduction  
A filter includes, in at least one aspect, one or more differential inputs to receive one or more differential input signals, a first filter stage to provide one or more primary poles...
8724687 Data processing method, equalizer and receiver  
A data processing method, an equalizer, and a receiver in a wireless communication system including a relay station are provided. The data processing method includes: receiving a base station...
8725784 Method and apparatus for compressive domain filtering and interference cancellation  
A method for compressive domain filtering and interference cancelation processes compressive measurements to eliminate or attenuate interference while preserving the information or geometry of the...
8713081 Look up table (LUT) structure supporting exclusive OR (XOR) circuitry configured to allow for generation of a result using quaternary adders  
A lookup table structure having multiple lookup tables is configured to include a quaternary adder. In particular examples, an adaptive logic module (ALM) including a fracturable lookup table...