Patents
Patents for H03K 9 - Demodulating pulses which have been modulated with a continuously-variable signal (1,929)
06/2012
06/07/2012US20120140844 Method for setting cyclic shift considering frequency offset
06/05/2012US8194793 Multi-stage frequency offset estimation and compensation method and its circuit
06/05/2012US8194789 Input signal combiner system and method
06/05/2012US8194788 Receiver and method for receiving wireless signals
05/2012
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
05/31/2012DE102011055787A1 Auslöschen von Rechteckwellensignalkomponenten Extinction of square wave signal components
05/29/2012US8189717 Low IF radio receiver
05/29/2012US8189716 Method for obtaining precise sampling frequency of global positioning system (GPS)
05/29/2012US8188764 Efficient electrical hibernate entry and recovery
05/22/2012US8185328 Device, method, and program for measuring signal, and recording medium
05/22/2012US8184743 Overlay modulation technique for COFDM signals based on amplitude offsets
05/22/2012US8184742 RF receiver having timing offset recovery function and timing offset recovery method using thereof
05/22/2012US8184741 Multi-system signal receiving device and method thereof
05/15/2012US8181058 Clock-data-recovery technique for high-speed links
05/15/2012US8179995 Reception device, transmission device, radio transmission/reception system, and radio reception method
05/15/2012US8179957 Quadrature pulse-width modulation methods and apparatus
05/09/2012CN101594130B Slope frequency detection mode based pulse wireless low jitter transmission method
05/08/2012US8175191 Combined sensing methods for cognitive radio
05/08/2012US8175190 Managing spectra of modulated signals in a communication network
05/01/2012US8170146 Radio frequency integrated circuit having frequency dependent noise mitigation with spectrum spreading
05/01/2012US8170085 Multipath error estimation in satellite navigation receivers
04/2012
04/24/2012US8165194 Space-time encoding method for a multi-antenna communication system of the UWB pulse type
04/24/2012US8165193 Method for wireless data transmission between a base station and a passive transponder, as well as a passive transponder
04/18/2012CN102420609A Novel IRIG (Inter Range Instrumentation Group)-B alternating current code intelligent decoding method
04/17/2012US8160179 Cross-over compensation by selective inversion
04/17/2012US8159272 System and method for on-chip jitter and duty cycle measurement
04/10/2012US8154321 Method and apparatus for time-differential comparison of an analog signal
04/04/2012EP2286512B1 Method for determining the offset of a periodic signal
04/03/2012US8149966 Packet acquisition controller with signal strength threshold control for wireless MIMO receiver
04/03/2012US8149965 Level sensitive packet detector
04/03/2012US8149953 Data receiver of semiconductor integrated circuit
04/03/2012US8149952 Multi-mode receiver
04/03/2012US8149879 Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
03/2012
03/29/2012WO2011116362A8 Frequency shift keying modulation and demodulation
03/29/2012US20120076192 Efficient high performance demodulation of low bt value gaussian minimum shift keying incorporating turbo equalization
03/29/2012US20120076190 Method and apparatus for digitally processing ofdm signals for radar applications
03/27/2012US8144814 Signal quality estimator
03/27/2012US8144812 Best frame derivation in a wireless communications network
03/27/2012US8144811 Hybrid zero-IF receiver
03/27/2012US8144810 Serial radio frequency to baseband interface with programmable clock
03/27/2012US8144760 Pulse width modulation circuits and methods
03/22/2012US20120069934 System and method for reducing power consumption in a flo-ev receiver
03/22/2012DE102007060693B4 Inverterbasierte RZ (Return-to-Zero) und NRZ (Non-return-to-Zero)-Signalisierung Inverter based RZ (Return-to-Zero), and NRZ (Non-Return-to-Zero) signaling
03/21/2012CN101682318B OFDM receiving circuit having multiple demodulation paths using oversampling analog-to-digital converter
03/20/2012US8141119 Digital broadcasting system and method of processing data in digital broadcasting system
03/20/2012US8139684 Apparatus and method for processing multi-channel signals and multi-channel receiver using the same
03/20/2012US8139683 Receiver and a method for channel estimation
03/20/2012US8139682 Channel estimation of orthogonal frequency division multiplexed systems
03/20/2012US8139681 Frequency error correction by using remodulation
03/20/2012US8139680 Signal acquisition methods and apparatus in wireless communication systems
03/20/2012US8138825 Multi-chip stack structure and signal transmission method thereof
03/15/2012US20120063519 Receiver with feedback continuous-time delta-sigma modulator with current-mode input
03/13/2012US8135095 Enhanced VSB viterbi decoder
03/13/2012US8135091 Method and system for communication in a wireless network
03/06/2012US8130862 Precoding system and method for multi-user transmission in multiple antenna wireless systems
02/2012
02/28/2012US8126084 Processing method for providing, starting from signals acquired by a set of sensors, an aggregate signal and data acquisition system using such method
02/28/2012US8126083 Apparatus for and method of controlling a sampling frequency of a sampling device
02/28/2012US8125354 Complex switch control system
02/23/2012US20120044976 Multi-carrier receiver, multi-carrier transmitter and multi-carrier transceiver system
02/21/2012US8121222 Systems and methods for construction of time-frequency surfaces and detection of signals
02/21/2012US8121221 In-situ gain calibration of radio frequency devices using thermal noise
02/21/2012US8121220 Apparatus and method for reduced complexity maximum likelihood MIMO detection
02/21/2012US8121219 Decision directed timing recovery using multiphase detection
02/21/2012US8120419 Apparatus for type-A demodulation and integrated circuit card including the same
02/16/2012US20120039375 Quadrature receiver and method of compensating for i/q imbalance using a calibration signal
02/14/2012US8116405 Method and apparatus for time synchronization using GPS information in communication system
02/14/2012US8116381 Digital broadcasting system and data processing method in digital broadcasting system
02/07/2012US8111783 Capturing and using radio events
02/02/2012US20120027129 Demodulation circuit, digital microwave system and demodulation method
02/02/2012US20120027126 Apparatus and method for constellation rearrangement in broadband wireless access system
01/2012
01/31/2012US8107557 Reception system having a switching arrangement for suppressing change-over interference in the case of antenna diversity
01/24/2012US8102946 Systems and methods for performing SISO detection in a WiMAX environment
01/24/2012US8102945 Signal processing device and signal processing method
01/24/2012US8102944 Mode and rate control for MIMO transmission
01/24/2012US8102943 Variable digital very low intermediate frequency receiver system
01/19/2012US20120014477 Method and apparatus for transmitting reference signal in multi-antenna system
01/18/2012EP1676197B1 Operation circuit and operation control method thereof
01/17/2012US8098767 Receiver adjustment between pilot bursts
01/17/2012US8098766 Transceiver with switch circuit for routing data from receiver to transmitter
01/17/2012US8098765 Reducing and sharing computations for GPS signal processing
01/10/2012US8093942 Frequency translation module data clamp
01/05/2012US20120002708 Device method and system for transmission and reception of data
01/03/2012US8090054 Method for receiving signal and apparatus thereof
12/2011
12/29/2011US20110317789 Digital receivers
12/27/2011US8087052 Digital broadcasting system and method of processing data in digital broadcasting system
12/27/2011US8085874 Mixed waveform configuration for wireless communications
12/15/2011US20110305301 Broadcast receiving apparatus and broadcast receiving method
12/13/2011US8077804 Transmitting apparatus, receiving apparatus and transmitting/receiving system for digital data
12/13/2011US8077783 Method and apparatus for detecting transmission symbol using lattice-reduction matrix in multiple input multiple output (MIMO) system
12/13/2011US8077768 Digital signal processing apparatus
12/13/2011US8077696 Wireless communication apparatus and wireless communication method
12/13/2011US8076958 Signal preprocessing device comprising band-pass filters for structure-borne noise sensors
12/06/2011US8073078 Split channel receiver with very low second order intermodulation
12/06/2011US8073077 Reception quality calculation method, reception quality calculation apparatus, and communication apparatus
12/06/2011US8073076 Method and apparatus for processing a communication signal
12/01/2011US20110292972 System and method for transmtting and receiving signal with quasi-periodic pulse sequence
12/01/2011US20110291856 Frequency shift compensation, such as for use in a wireless utility meter reading environment
11/2011
11/29/2011US8068571 Featureless coherent chaotic amplitude modulation
11/29/2011US8068559 Pulse width modulation (PWM) clock and data receiver and method for recovering information from received data signals
11/23/2011EP2055061B1 Replica linearized power amplifier
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 20