Patents
Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890)
06/2012
06/07/2012US20120140811 Reception circuit
06/05/2012US8194807 Method to discriminate a real echo peak from an aliased echo peak
06/05/2012US8194803 Method and apparatus for regaining watermark data that were embedded in an original signal by modifying sections of said original signal in relation to at least two different reference data sequences
05/2012
05/31/2012US20120134446 Method and apparatus for receiving data
05/31/2012US20120134444 Semiconductor Device Having First and Second Demodulation Circuits for Wireless Communication
05/31/2012DE102011055813A1 Konfigurierbares System zur Auslöschung des Mittelwertes eines modulierten Signals Configurable system for the extinction of the mean value of a modulated signal
05/29/2012US8189722 Discrete denoising using blended counts
05/29/2012US8189719 Detection of time-domain sequences sent on a shared control channel
05/29/2012US8189707 DC offset correction of a radio frequency receiver used with a continuous transmission radio frequency signal
05/29/2012US8188787 Peak detector for detecting peaks in a modulated signal
05/24/2012US20120127962 Detection and mitigation of temporary (bursts) impairments in channels using scdma
05/23/2012CN1998136B Advanced digital receiver
05/23/2012CN1965491B System and method for synchronizing a portable transceiver to a network
05/23/2012CN101652923B Fade equalizer
05/23/2012CN101075816B Method for inhibiting digital frequency-variable image
05/22/2012US8184752 Apparatus and method for hybrid automatic repeat request (HARQ) in wireless communication system
05/22/2012CA2516767C Coherent am demodulator using a weighted lsb/usb sum for interference mitigation
05/17/2012US20120119827 Demodulators
05/16/2012CN102460206A Radar sensor with interference signal compensation
05/15/2012US8180609 Jittery signal generation with discrete-time filtering
05/15/2012US8180001 Adaptive equalization and interference cancellation with time-varying noise and/or interference
05/15/2012US8180000 GNSS receiver
05/15/2012US8179999 Decoding of blocks in radio communications
05/15/2012US8179783 System and method of modulation and coding scheme adjustment for a LTE shared data channel
05/10/2012US20120112831 Modulation and demodulation circuit
05/09/2012EP2449400A1 Mixer assembly and radar sensor for motor vehicles
05/08/2012US8175201 Systems and methods for adaptive equalization in recording channels
05/08/2012US8175200 Hybrid correlation and least squares channel estimation
05/08/2012US8175198 Matched filter and receiver
05/08/2012US8175197 Preamble detection with unknown channel
05/08/2012US8175193 Apparatus for recovering carrier wave in digital broadcasting receiver and method therefor
05/08/2012US8174310 Quadrature modulation demodulation circuit
05/03/2012US20120106983 Optimized normalized least mean square phase estimation
05/03/2012US20120106678 Method and apparatus to improve acquisition of a quadrature amplitude modulated (qam) signal having a frequency offset
05/03/2012US20120106677 Digital broadcasting system and method of processing data in digital broadcasting system
05/03/2012US20120106617 System and method for anticipatory receiver switching based on signal quality estimation
05/03/2012US20120106611 Phase locking loop
05/03/2012US20120106609 System and method for channel classification
05/01/2012US8170159 Preamble noise cancellation circuit
05/01/2012US8170158 Digital cross-polar interference cancellation
05/01/2012US8170155 Method and apparatus for channel quality measurements
05/01/2012US8170148 Demodulation circuit, digital microwave system and demodulation method
04/2012
04/26/2012US20120099637 Systems and methods for performing dynamic channel estimation
04/19/2012US20120093266 Apparatus and Method for Trellis-Based Detection in a Communication System
04/19/2012US20120093265 Decoding of Forward Error Correction Codes in the Presence of Phase Noise
04/19/2012DE102004036880B4 Verfahren und Vorrichtung zum Verringern von Rauschen in einem MCM-Signal Method and apparatus for reducing noise in a MCM signal
04/18/2012CN101361263B 用于千兆比特速率数据检测的接收器和集成am-fm/iq解调器 A receiver for a gigabit rate data detection and integration of am-fm / iq demodulator
04/17/2012US8160189 Method and system for communication channel characterization
04/17/2012US8160187 Systems and methods for canceling crosstalk from digital multi-tone (DMT) signals
04/17/2012US8160184 Radio clock and method for extracting time information
04/17/2012US8160182 Symbol detector and sphere decoding method
04/17/2012US8159291 AM (amplitude modulation) demodulation system for RFID reader device
04/17/2012US8159290 Test apparatus, demodulation apparatus, test method, demodulation method and electric device
04/17/2012US8159289 Chip card having an adjustable demodulation unit
04/12/2012WO2012047692A1 Nfc device having a differential input envelope detector
04/11/2012EP2438459A1 Radar sensor with interference signal compensation
04/10/2012US8155254 Methods and systems using FFT window tracking algorithm
04/10/2012US8155251 Detection of access bursts in a random access channel
04/10/2012CA2592105C Method and apparatus for performing channel assessment in a wireless communication system
04/05/2012US20120083205 Nfc device having a differential input envelope detector
04/05/2012US20120082268 Method for digital wireless communications
04/05/2012US20120081693 System for demodulating a signal
04/03/2012US8149968 Estimating a signal-to-interference ratio in a receiver of a wireless communications system
04/03/2012US8149961 Ranging in multi-band communication systems
04/03/2012US8149960 Channel estimation for frequency selective multipath channels with long delay spreads based on an assumed physical channel
04/03/2012US8149897 Method and apparatus for performing signal correlation for signals received from satellites in multiple satellite systems
03/2012
03/29/2012US20120076248 Covariance Factor Matrix Reuse
03/29/2012US20120076247 SISO decoder for a block code
03/29/2012US20120076243 Method for limiting interference received by a plurality of destinations
03/27/2012US8144823 Signal processing device and signal processing method
03/27/2012US8144822 Noise power estimation apparatus, noise power estimation method and signal detection apparatus
03/27/2012US8144820 System and method for relative phase shift keying
03/27/2012US8144818 Apparatus and methods for determining timing in a communication system
03/22/2012US20120069935 Symbol-level combining for multiple input multiple output (mimo) systems with hybrid automatic repeat request (harq) and/or repetition coding
03/22/2012DE10260749B4 Hochfrequenz-Leistungsdetektor mit dBm-linearer Kennlinie und dessen Verwendung zur Regelung der Leistung einer elektrischen HF-Schwingung High-frequency power detector with dBm linear characteristic and its use for controlling the power of an electrical HF oscillation
03/20/2012US8139693 Apparatus and method for estimating inter-carrier interference power and noise power in a channel
03/20/2012US8139691 Apparatus and method for selecting correlation scheme based on carrier frequency error
03/20/2012US8138825 Multi-chip stack structure and signal transmission method thereof
03/15/2012US20120063533 Encoding and decoding using constrained interleaving
03/14/2012EP1464111B1 Multiple analog and digital downconversion
03/13/2012US8135096 Method and system for the extension of frequency offset estimation range based on correlation of complex sequences
03/13/2012US8135092 MIMO-OFDM wireless communication system
03/08/2012US20120058741 Thermal-mechanical signal processing
03/07/2012CN101635785B Digital broadcasting transmission/reception capable of improving receiving performance and signal processing method thereof
03/06/2012US8130879 Apparatus and method for interference cancellation in receiver of communication system
03/06/2012US8130878 Apparatus and method for estimating carrier-to-interference-and-noise ratio in an orthogonal frequency division multiplexing system
03/06/2012US8130873 Carrier recovery apparatus usable with VSB type receiver and method thereof
03/01/2012WO2012025409A1 Capacitive mems hf demodulator for ultra-low power applications
03/01/2012US20120051462 Integrated low-if terrestrial audio broadcast receiver and associated method
03/01/2012US20120051460 Apparatus and method for transmitting and receiving data in a communication or broadcasting system using linear block code
03/01/2012US20120051411 Full-duplex radio frequency echo cancellation
03/01/2012US20120051287 Implicit and explicit channel sounding for beamforming
03/01/2012DE102010035248A1 Kapazitiver MEMS-HF-Demodulator für Ultra-Low-Power-Einsatz Capacitive MEMS RF demodulator for ultra-low-power applications
02/2012
02/28/2012US8126083 Apparatus for and method of controlling a sampling frequency of a sampling device
02/22/2012CN101438494B 由从信道接收的信号的采样导出均衡值的装置和方法 Apparatus and method for sample derived from the equilibrium value of the received signal from the channel
02/21/2012US8122332 Method and apparatus for error compensation
02/21/2012US8121232 Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
02/21/2012US8121231 Method and device for channel response determination
02/21/2012US8121230 Correction of mismatches between two I and Q channels
02/21/2012US8121225 Estimating the angle of arrival of a signal received by an array of commutated antenna elements
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