Patents
Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890)
06/2006
06/15/2006US20060126757 Enhanced VSB transmitter and receiver
06/15/2006US20060125553 Error detection in a signal in amplitude modulation
06/14/2006EP1668773A2 Approximator apparatus, and associated method for approximating an n-dimensional euclidean norm
06/13/2006US7062000 Viterbi decoder
06/13/2006US7061996 Vestigial sideband receiver and method for restoring carrier wave
06/13/2006US7061978 Compensation method for reducing intersymbol interference products caused by signal transmission via dispersive media
06/08/2006US20060120493 Maintaining a selected slice level
06/08/2006US20060120488 Method and system for decoding control data in GSM-based systems using inherent redundancy
06/08/2006US20060120486 Method of estimating fading coefficients of channels and of receiving symbols and related single or multi-antenna receiver and transmitter
06/07/2006EP1665602A2 Incremental redundancy transmission in a mimo communication system
06/07/2006EP1665539A2 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
06/07/2006EP1665517A2 Method and apparatus for reducing interference within a communication system
06/07/2006CN1784891A Carrier recovery based demodulation
06/06/2006US7058147 Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
06/06/2006US7058143 Apparatus and a method for calculation of a correlation value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program
06/06/2006US7057423 Current-voltage transforming circuit employing limiter circuit
06/01/2006WO2006057890A2 A memoryless spectrum correction algorithim for non-ideal i/q demodulators
06/01/2006US20060115028 Method and device for reducing the crest factor of a signal
06/01/2006US20060115023 Apparatus and method for decoding and trace back of convolution codes using the viterbi decoding algorithm
06/01/2006US20060114982 Adaptive equalizer and related method thereof
06/01/2006US20060114977 System and method to mitigate interference in DSL systems
06/01/2006US20060114035 Start signal outputting circuit
05/2006
05/31/2006EP1661245A2 Shell type actuator
05/31/2006EP1661240A2 Thermal-mechanical signal processing
05/31/2006EP1597820A4 Coherent am demodulator using a weighted lsb/usb sum for interference mitigation
05/30/2006US7054393 Short and long sequence boundary detection algorithm for wireless LAN modems
05/30/2006US7054392 Process and device for estimating the successive values of digital symbols, in particular for the equalization of an information transmission channel in mobile telephony
05/30/2006US7054391 Receiver based saturation estimator
05/30/2006US7054389 Carrier detection circuit and infrared ray remote control receiver
05/30/2006US7054388 Signal detection method and apparatus, relevant program, and storage medium storing the program
05/25/2006US20060109919 Wireless communications device providing time and frequency-domain channel estimates interpolation and related methods
05/23/2006US7050516 System and method for periodic noise avoidance in data transmission systems
05/23/2006US7050514 Interference estimation and scaling for efficient metric storage and interference immunity
05/23/2006US7049859 Variable threshold comparator interface circuit
05/18/2006WO2006052404A2 Method and apparatus for estimating the step-size of an adaptive equalizer
05/18/2006US20060104392 Method and system for TERC4 decoding using minimum distance rule in high definition multimedia interface (HDMI) specifications
05/18/2006US20060104391 Enhanced VSB viterbi decoder
05/18/2006US20060104390 Reduced-complexity multiple-input, multiple-output detection
05/18/2006US20060103457 System and method for providing a low power low voltage data detection circuit for RF AM signals in EPC0 compliant RFID tags
05/18/2006CA2586716A1 Method and apparatus for estimating channelization codes in a wireless transmit/receive unit
05/16/2006US7046811 Stereo demultiplexer
05/16/2006US7046753 Interference canceller with fast phase adaptation
05/16/2006US7046752 Adaptive electronic transmission signal cancellation apparatus for full duplex communication
05/16/2006US7046748 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence
05/16/2006US7046747 Viterbi decoder and decoding method using rescaled branch metrics in add-compare-select operations
05/16/2006US7046746 Adaptive Viterbi decoder for a wireless data network receiver
05/16/2006US7046745 Signal processing circuit
05/16/2006US7046043 Current-voltage converter circuit and its control method
05/11/2006US20060098768 Polymerization of macrocyclic polyester oligomers using N-heterocyclic carbene catalysts
05/11/2006US20060098767 Wireless receiver with anti-jamming
05/11/2006US20060098766 Method and apparatus for estimating the step-size of an adaptive equalizer
05/11/2006US20060098765 Interference cancellation in RFID systems
05/11/2006US20060098764 Method of protecting a frequency of a data stream from interference and circuit performing such a method
05/11/2006US20060098750 Circuit and method for reducing impulse noise
05/11/2006CA2583842A1 Spectrally shaped generalized multitone direct sequence spread spectrum modulation
05/09/2006US7043207 Fading frequency estimating apparatus
05/09/2006US7042969 Method and apparatus for frame alignment in discrete multitone transceivers
05/09/2006US7042967 Reduced complexity sliding window based equalizer
05/09/2006US7042966 Method of estimating the signal-to-noise ratio in a telecommunications receiver and an application of the method to controlling a transmitter
05/09/2006US7042964 Viterbi decoder, method and unit therefor
05/04/2006WO2005099399A3 Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
05/04/2006US20060093076 Apparatus for estimating a frequency offset in a communication system and method thereof
05/04/2006US20060093075 Whitening of data-dependent, non-stationary noise in an inter-symbol interference channel detector
05/04/2006US20060093074 Apparatus and method for estimating a carrier-to-interference-and-noise ratio in a communication system
05/04/2006US20060093051 Method and device for resisting DC interference of an OFDM system
05/03/2006EP1652291A2 Method and apparatus for reducing interference within a communication system
05/03/2006CN1254924C Device for receiving RF signal and method for reducing distortion
05/02/2006US7039136 Interference cancellation in a signal
05/02/2006US7039135 Interference reduction using low complexity antenna array
05/02/2006US7038523 Voltage trimming circuit
05/02/2006US7038501 Transconductor circuit for compensating the distortion of output current
04/2006
04/27/2006US20060088135 Arrangement and method for iterative channel impulse response estimation
04/27/2006US20060088129 Method for demodulating a digital signal based on an estimate of multipath propagation impairment, and an associated receiver
04/27/2006US20060088128 Method for demodulating a digital signal based on a generated error signal, and an associated receiver
04/26/2006EP1650919A1 Modulation device, demodulation device, modulation method, and demodulation method
04/25/2006US7035359 Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal
04/25/2006US7035357 Process and device for extracting digital data contained in a signal conveyed by an information transmission channel, in particular for a cellular mobile telephone
04/25/2006US7035355 Apparatus and method for decode arbitration in a multi-stream multimedia system
04/25/2006US7035353 Channel estimation method blending correlation and least-squares based approaches
04/20/2006WO2005094198A3 Method and circuit for adaptive equalization of multiple signals in response to a control signal generated from one of the equilized signals
04/20/2006US20060083337 Decoder, decoding method, and disk playback device
04/20/2006US20060083336 Encoding and decoding of frame control header in downlink subframes in wireless communication systems
04/20/2006US20060083334 Noise bqlqnced qam detection
04/20/2006US20060083325 Method and receiver circuit for reducing RFI interference
04/19/2006EP1647090A2 A low-power wide dynamic range envelope detector system and method
04/18/2006US7031412 Digital signal processing apparatus
04/18/2006US7031407 Apparatus and method for decoding and trace back of convolution codes using the viterbi decoding algorithm
04/18/2006US7031383 Compensation circuit for reducing intersymbol interference products caused by signal transmission via dispersive media
04/13/2006US20060078075 Data detection and decoding with considerations for channel estimation errors due to guard subbands
04/13/2006DE102004048572A1 Verfahren sowie Schaltungsanordnung zur Unterdrückung einer orthogonalen Störung Method and circuit arrangement for suppressing an orthogonal interference
04/12/2006EP1646153A1 Activation signal output circuit
04/12/2006EP1219021B1 Image rejection
04/11/2006US7027537 Iterative multi-user detection
04/11/2006US7027536 Method and apparatus for designing finite-length multi-input multi-output channel shortening pre-filters
04/11/2006US7027534 Extracting fine-tuned estimates from correlation functions evaluated at a limited number of values
04/06/2006US20060072687 Decoding circuit and decoding method for a Viterbi decoder
04/06/2006US20060072686 Method and circuit arrangement for suppressing an orthogonal perturbation
04/06/2006US20060071654 Activation signal output circuit and determining circuit
04/06/2006DE102004047424A1 Schaltung und Verfahren zur Trägerrückgewinnung Circuit and method for carrier recovery
04/05/2006EP1643634A1 Carrier recovery apparatus and method for VSB receiver
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