Patents
Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890)
03/2015
03/03/2015US8971835 Receiver with wide dynamic range and low power consumption
03/03/2015US8971466 Receiver with inphase-quadrature imbalance compensation and inphase-quadrature imbalance compensation method thereof
03/03/2015US8971465 Receiver-side estimation of and compensation for signal impairments
03/03/2015US8971464 Crest factor reduction for signals with dynamic power and frequency distribution
03/03/2015US8971462 Channel quality determining circuit and related method thereof
02/2015
02/24/2015US8964907 Multi-protocol communications receiver with shared analog front-end
02/17/2015US8958508 Method and system for measuring background noise of machine
02/10/2015US8953724 Canceling narrowband interfering signals in a distributed antenna system
02/10/2015US8953722 Controlled transmission of data in a data transmission system
02/10/2015US8953719 Signal detector, signal detection method, and communication terminal apparatus
02/03/2015US8948699 Method and arrangement for interference mitigation
02/03/2015US8948323 Method and device for suppressing interference in communication networks using frequency switched transmit diversity coding
02/03/2015US8948321 Reduced state sequence estimation with soft decision outputs
02/03/2015US8948320 Frame and symbol timing recovery for unbursted packetized transmissions using constant-amplitude continuous-phase frequency-modulation
02/03/2015US8948317 Receiver apparatus, reception method, communication system, and communication method
01/2015
01/27/2015US8942332 System and method for data serialization and inter symbol interference reduction
01/27/2015US8942330 Interference reduction method for downhole telemetry systems
01/27/2015US8942329 Fast and reliable channel classification algorithms in Bluetooth networks to detect and avoid 2.4 GHz interferers
01/27/2015US8942327 Modulation division multiple access
01/27/2015US8942326 Channel decoding method and tail biting convolutional decoder
01/27/2015US8942321 Efficient compressed sensing channel estimation for single-carrier communication systems
01/20/2015US8938033 Enhanced low power active radio reception
01/13/2015US8934586 Selectable interference cancellation in a communications receiver
01/13/2015US8934578 Method of demodulating modulation signals
01/07/2015CN104270123A 一种基于单片机的多路相敏检波信号发生系统 Multiple phase-sensitive detection signal generation system based on a single chip
01/06/2015US8929845 Instrument LO used as alignment signal source
01/06/2015US8929491 Interference cancellation method with multiple data layer MIMO transmission
01/06/2015US8929490 Methods and systems for low latency and low power trigger detection for connecting wireless devices
01/06/2015US8929489 Method of reducing the glare of a receiver within a system, in particular a geolocation system
01/06/2015US8928400 Semiconductor device having first and second demodulation circuits for wireless communication
01/01/2015US20150002090 Power supply device, power receiving device, charging system, and obstacle detection method
12/2014
12/30/2014US8923456 Method and system for channel estimation
12/30/2014US8923455 Asymmetrical feedback for coordinated transmission systems
12/30/2014US8923450 Bank of correlators for sets of GCL sequences
12/30/2014US8923444 Decoding a communication signal that contains analog pulses with exponentially-shaped leading edges
12/30/2014US8920326 Cancellation of products generated by harmonics of a square wave used in square-wave mixing
12/25/2014US20140376651 Performing Image Rejection On Bandpass Signals
12/24/2014CN204046520U 一种相位调制器 A phase modulator
12/24/2014CN102570980B 功率放大器的检波电路 Power amplifier detector circuit
12/16/2014US8913699 Communication unit, integrated circuit and method of diverse polarization
12/16/2014US8913698 Programmable, frequency agile direct conversion digital receiver with high speed oversampling
12/16/2014US8913696 Random access preamble design
12/16/2014US8913547 Method for pairing terminals using dummy data
12/10/2014CN104201990A 调幅解调器 AM demodulator
12/09/2014US8908816 Receiver with distortion compensation circuit
12/02/2014US8903029 Monobit receiver spurious harmonics control method and system
12/02/2014US8903028 Timing recovery for low roll-off factor signals
12/02/2014US8901996 Configurable system for cancellation of the mean value of a modulated signal
11/2014
11/25/2014US8897402 Adaptive impulse noise mitigation
11/25/2014US8897351 Method for peak to average power ratio reduction
11/18/2014US8891706 System and method for optimizing use of channel state information
11/18/2014US8891704 Transimpedance amplifier with equalization
11/18/2014US8891701 Nonlinearity compensation for reception of OFDM signals
11/18/2014US8891700 Method for detecting, classifying, and reducing interference in wireless networks
11/18/2014US8891699 Characterization and assessment of communication channel average group delay variation
11/18/2014US8891698 First significant path detection
11/18/2014US8891696 Wireless sensor with fast correlator
11/11/2014US8887020 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
11/11/2014US8885781 System and method for detecting burst noise during quadrature amplitude modulation communications
11/11/2014US8885773 Radio architecture for an ultra low power receiver
11/11/2014US8884691 Demodulators
11/04/2014US8879674 System and method for correlating received signal over time and frequency
11/04/2014US8879673 Method for coarse frequency synchronization in OFDM receiver
11/04/2014US8879640 Memory efficient implementation of LDPC decoder
10/2014
10/23/2014US20140315498 Oscillator, rectifier, and transceiver device
10/21/2014US8867678 Interference channel equalizer
10/21/2014US8867676 Method and apparatus for controlling interference suppressing receivers
10/14/2014US8862172 Methods and procedures for high speed UE access
10/14/2014US8861658 Signal power estimation for cellular OFDM systems
10/14/2014US8861657 Frequency offset compensation for multi-carrier communication systems
10/14/2014US8861656 Digital front-end circuit and method for using the same
10/07/2014US8855253 Error prediction for two-stage receivers
10/07/2014US8855249 Preamble detection at low signal-to-noise levels
10/07/2014US8855248 Word boundary lock
10/07/2014US8855029 LMS adaptive filter for digital cancellation of second order inter-modulation due to transmitter leakage
10/07/2014US8854124 Envelope detector
09/2014
09/30/2014US8848845 Detection and avoidance apparatus and method for use in UWB receiver
09/30/2014US8848842 Recursion unit scheduling
09/23/2014US8842786 Methods for managing alignment and latency in interference suppression
09/23/2014US8842766 Apparatus and method for reducing interference signals in an integrated circuit using multiphase clocks
09/23/2014US8842601 Method and device for detecting primary synchronization signal and generating sequence in long term evolution (LTE) system
09/23/2014US8841964 Apparatus and method for demodulating an input signal
09/18/2014US20140266420 Logarithmic amplifier with universal demodulation capabilities
09/17/2014EP2777238A1 Dynamic receiver switching
09/16/2014US8837645 Reception apparatus, reception method, program, and reception system
09/16/2014US8837643 Receiving apparatus
09/16/2014US8837640 Multiple protocol receiver
09/11/2014US20140254692 Digital e8-vsb reception system and e8-vsb data demultiplexing method
09/11/2014US20140253229 Bask demodulator and method for demodulating bask modulated signal
09/09/2014US8831156 Interference cancellation for non-orthogonal channel sets
09/09/2014US8831153 Quadrature error compensating circuit
09/09/2014US8831152 Delay detector circuit and receiver apparatus
09/09/2014US8829987 Modulation and demodulation circuit
09/03/2014EP2771972A1 Method of displaying a digital signal
09/02/2014US8824606 Multiple correlators for communication device detection
09/02/2014US8824599 Pilot symbol-aided sequence estimation for highly-spectrally-efficient communications
09/02/2014US8824564 Method and system for redundancy-based decoding of video content
08/2014
08/27/2014EP2770633A1 Instrument local oscillator used as alignment signal source
08/26/2014US8817925 System and method for RF spur cancellation
08/26/2014US8817924 Iterative pilot tone cancellation for improved channel estimation and decoding
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