Patents
Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890)
04/2006
04/05/2006EP1643633A1 Circuit with suppression of unwanted signals , and method
04/05/2006CN1756072A Non-perfect carrier amplitude demodulation method and its device
04/04/2006US7023936 Method and apparatus for decoding lattice codes and multilevel coset codes
04/04/2006US7023934 Method and apparatus for min star calculations in a map decoder
03/2006
03/30/2006WO2006034186A1 Self-adjusting prml receiver
03/30/2006WO2006034021A1 Zero if down converter with even order harmonic suppression
03/30/2006US20060067441 Apparatus and method for estimating delay spread of multi-path fading channel in wireless communication system
03/30/2006US20060067436 Metacores: design and optimization techniques
03/30/2006US20060067435 Semiconductor circuit device
03/29/2006CN1754308A Coherent am demodulator using a weighted lsb/usb sum for interference mitigation
03/28/2006US7020224 Ultra-wideband correlating receiver
03/28/2006US7020222 Efficient method and system for offset phasor determination
03/28/2006US7019599 Apparatus for continuous phase quadrature amplitude modulation and demodulation
03/23/2006US20060063505 Method and apparatus for controlling interference suppressing receivers
03/23/2006US20060062336 Method of channel estimation
03/23/2006US20060062335 Sync extraction apparatus in communication system and method thereof
03/23/2006US20060062330 Modulation method using hard decision for quadrature amplitude modualtion and an apparatus thereof
03/22/2006EP1636900A2 Reduced complexity sliding window based equalizer
03/22/2006CN1750384A Signal demodulation circuit having operational amplifier with disable function
03/21/2006US7016438 Cross polarization interference canceller and method of canceling cross polarization interference
03/21/2006US7016437 Signal extraction method and apparatus in wireless communication system
03/21/2006US7016436 Selective joint demodulation systems and methods for receiving a signal in the presence of noise and interference
03/16/2006US20060056549 Methods and apparatus for canceling co-channel interference in a receiving system using spatio-temporal whitening
03/16/2006US20060056547 Analog/digital conversion with adjustable thresholds
03/16/2006US20060056545 Signal processing system and method having increased bandwidth
03/16/2006US20060055594 Method and apparatus for reducing GPS receiver jamming during transmission in a wireless receiver
03/16/2006US20060055455 Signal demodulation circuit having operational amplifier with disable function
03/15/2006EP1635450A1 Signal demodulation circuit having operational amplifier with disable function
03/14/2006US7012978 Robust multiple chain receiver
03/14/2006US7012977 System, method and apparatus for wireless channel parameter estimation in spread spectrum communication systems
03/14/2006US7012975 Method and apparatus for performing calculations for forward (alpha) and reverse (beta) metrics in a map decoder
03/14/2006US7012974 High rate product code decoding for partial response channel
03/14/2006US7012738 Method and device for detecting and processing signal waves
03/14/2006US7012453 Phase continuous synthesizer with phase coasting and associated methods
03/09/2006US20060050816 Pipeline architecture for multi-slot wireless link processing
03/09/2006US20060050814 Decoding apparatus and method of optical information reproducing system
03/09/2006US20060050813 Method and system for decoding video, voice, and speech data using redundancy
03/08/2006EP1285493B1 Circuit arrangement for correcting tolerances
03/07/2006US7010071 Method of generating and/or detecting synchronization sequences, synchronization method, transmitter unit and receiver unit
03/07/2006US7010069 Method for co-channel interference identification and mitigation
03/07/2006US7010067 Methods and apparatus for feature recognition time shift correlation
03/07/2006US7010066 System and method for fast code phase and carrier frequency acquisition in GPS receiver
03/07/2006US7010065 Method and apparatus for word synchronization with large coding distance and fault tolerance for PRML systems
03/07/2006US7010064 Channel delay spread adaptive equalization and decoding
03/07/2006US7010049 OFDM channel estimation in the presence of interference
03/02/2006US20060045219 Backscatter interrogator reception method and interrogator for a modulated backscatter system
03/02/2006US20060045218 Discrete denoising using blended counts
03/02/2006US20060045214 Receiving method and apparatus for variable rate
03/02/2006US20060045194 Method for estimating wireless channel parameters
03/01/2006CN1742444A Method and apparatus for compressing header information for short data burst messaging
02/2006
02/28/2006US7006586 Cyclic buffer for infrared
02/23/2006US20060039511 Digital signal processing remediation of cosite antenna interference
02/23/2006US20060039510 Method and system for improving reception in wired and wireless receivers through redundancy and iterative processing
02/23/2006US20060039509 Method for decoding data using windows of data
02/23/2006US20060039503 VSB communication system
02/23/2006US20060039459 System and method for linear distortion estimation by way of equalizer coefficients
02/21/2006US7003709 Hybrid ARQ retransmission method with reduced buffer size requirement and receiver therefor
02/21/2006US7003058 Polarization division duplexing with cross polarization interference canceller
02/21/2006US7003041 Device and method for decoding turbo codes
02/21/2006US7002378 Valid data strobe detection technique
02/16/2006US20060034401 Apparatus and method for controlling a digital automatic gain controller in an orthogonal frequency division multiple access communication system
02/16/2006US20060034399 Decoding apparatus and communication system receiver
02/16/2006US20060034350 Method and system for applying viterbi type psk demodulation for optimum correlation of gps signals
02/14/2006US6999535 Apparatus, and associated method, for recovering a desired component of a receive signal received at a radio device
02/14/2006US6999531 Soft-decision decoding of convolutionally encoded codeword
02/14/2006US6999529 Digital AM demodulator
02/14/2006US6999528 I/Q demodulator device with three power detectors and two A/D converters
02/14/2006US6999508 Multi-channel frequency domain equalizer for radio frequency interference cancellation
02/09/2006WO2006014342A2 Multiband receiver synchronization
02/09/2006US20060029166 Soft adaptive viterbi equalizing method and related apparatus thereof
02/09/2006US20060029162 Modular multi-bit symbol demapper
02/09/2006DE102004034190A1 Oszillatorschaltung Oscillator circuit
02/08/2006EP1623571A1 Carrier recovery based demodulation
02/08/2006EP1192708B1 Method of determining an encoding rate in a communication system
02/08/2006CN1731691A Mixer of direct-conversion RF receiver
02/07/2006US6996197 Method and apparatus for reducing interference within a communication system
02/07/2006US6996195 Channel estimation in a communication system
02/07/2006US6996194 Method and arrangement for iteratively improving a channel estimate
02/02/2006US20060023817 Enhanced viterbi equalizer and algorithm
02/02/2006US20060023799 Apparatus for channel equalization and method thereof
01/2006
01/31/2006US6992523 Low voltage current monitoring circuit
01/26/2006US20060018413 Coarse timing estimation system and methodology for wireless symbols
01/26/2006US20060018412 Method for estimating maximum likelihood frequency offset in mobile communication system in fast rayleigh fading channel environment
01/26/2006US20060018410 Multimode detection
01/26/2006US20060018391 Method and apparatus of detecting isi/icsi in an ofdm system
01/26/2006US20060017498 Digital phase locked loop
01/24/2006US6990158 Method and apparatus for multipath signal compensation in spread-spectrum communications systems
01/19/2006US20060013343 Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channels
01/19/2006US20060013342 Method and apparatus for managing buffer for block deinterleaver in a mobile communication system
01/19/2006US20060013341 Wireless communication device and mobile station
01/19/2006US20060013340 Multiple hypothesis channel estimation and prediction for OFDM systems
01/19/2006US20060012422 Diode detecting circuit
01/17/2006US6988252 Universal gates for ICs and transformation of netlists for their implementation
01/17/2006US6987820 Apparatus for navigation satellite signal quality monitoring
01/17/2006US6987819 Method and device for multiple input/multiple output transmit and receive weights for equal-rate data streams
01/17/2006US6987818 Simplified method of detection by spheres when there is a low signal to noise ratio
01/12/2006US20060008037 Apparatus and method for estimating a carrier-to-interference-and-noise ratio in a communication system
01/12/2006US20060008036 Receiving method and receiving apparatus
01/12/2006US20060008035 Payload boundary detection during multiband receiver synchronization
01/12/2006US20060008034 Spreading codes for quasisynchronous code division multiple access systems
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