Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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08/31/2006 | US20060193374 System, apparatus, and method for adaptive weighted interference cancellation using parallel residue compensation |
08/29/2006 | US7099642 Method and apparatus for matching receiver carrier frequency |
08/29/2006 | US7099412 Sequential decoding with backtracking and adaptive equalization to combat narrowband interference |
08/29/2006 | US7099411 Soft-output decoding method and apparatus for controlled intersymbol interference channels |
08/29/2006 | US7099409 Channel estimation and/or equalization using repeated adaptation |
08/29/2006 | US7099386 Channel tracking using channel covariance estimation |
08/24/2006 | WO2006088926A1 Iterative diversity reception |
08/24/2006 | US20060188043 High-speed signaling systems with adaptable pre-emphasis and equalization |
08/24/2006 | US20060188006 Method and apparatus for estimating gain offsets for amplitude-modulated communication signals |
08/22/2006 | US7095812 Reduced complexity receiver for space-time- bit-interleaved coded modulation |
08/22/2006 | US7095811 Apparatus and method for secondary synchronization channel detection in a 3GPP WCDMA receiver |
08/22/2006 | US7095810 Practical M-ary demodulator and method of operation for use in a CDMA wireless network base station |
08/22/2006 | US7095809 Practical M-ary demodulator using hard decision circuit and method of operation for use in a CDMA wireless network base station |
08/22/2006 | US7095256 Low-power wide dynamic range envelope detector system and method |
08/17/2006 | WO2006086214A2 System and method for removing interfering narrowband signals from wide bandwidth receive signal |
08/17/2006 | WO2005101778B1 Apparatus for and method of controlling a sampling frequency of a sampling device |
08/17/2006 | WO2005048468A3 Wireless communication method and apparatus for performing post-detection constellation correction |
08/17/2006 | WO2005018100A3 Pilot signal enhancements for a wireless communication system |
08/17/2006 | US20060182206 Communications system, method and device |
08/17/2006 | US20060182205 Method for equalizing a digital signal through removal of data dependent jitter |
08/17/2006 | US20060182193 Technique for adaptive equalization in band-limited high data rate communication over fading dispersive channels |
08/17/2006 | CA2596183A1 Wireless communications device performing block equalization based upon prior, current and/or future autocorrelation matrix estimates and related methods |
08/17/2006 | CA2596180A1 Wireless communications device providing enhanced block equalization and related methods |
08/16/2006 | EP1690338A2 Wireless communication method and apparatus for performing post-detection constellation correction |
08/16/2006 | EP1690334A1 Multiplier device |
08/16/2006 | EP1690333A1 Low power amplitude modulation detector |
08/15/2006 | US7092463 Method and apparatus for interference rejection |
08/15/2006 | US7092462 Asynchronous servo RRO detection employing interpolation |
08/15/2006 | US7092457 Adaptive iterative detection |
08/15/2006 | US7092452 Co-channel interference receiver |
08/10/2006 | WO2006050181A3 Spectrally shaped generalized multitone direct sequence spread spectrum modulation |
08/10/2006 | WO2005027067A3 Method and system for providing an activation signal based on a received rf signal |
08/10/2006 | US20060176987 Method and system for channel equalization |
08/10/2006 | US20060176982 Apparatus, system, and method for asymmetric maximum likelihood detection |
08/10/2006 | US20060176980 Symbol timing recovery apparatus usable with VSB receiver and method thereof |
08/10/2006 | US20060176968 Adaptive viterbi decoder for a wireless data network receiver |
08/10/2006 | US20060176967 Time correlation of signal power to distortion characteristics |
08/10/2006 | US20060176965 System and method for removing interfering narrowband signals from wide bandwidth receive signal |
08/10/2006 | US20060176947 Apparatus and method for setting tap coefficient of adaptive equalizer |
08/10/2006 | US20060176945 Decoding device and decoding method |
08/08/2006 | US7088793 Equalizer for complex modulations in very noisy environments |
08/08/2006 | US7088792 Device and method for efficient decoding with time reversed data |
08/03/2006 | WO2006079807A1 A demodulator |
08/03/2006 | WO2005117252A3 Digital noise coupling reduction and variable intermediate frequency generation in mixed signal circuits |
08/03/2006 | US20060171490 Viterbi decoder using circulation type decoding units connected in parallel |
08/03/2006 | US20060171489 Soft bit Viterbi equalizer using partially collapsed metrics |
08/03/2006 | US20060171449 Interference estimation in the presence of frequency errors |
08/02/2006 | CN1812554A Circuit with suppression of unwanted signals,And method |
08/01/2006 | US7085548 Harmonic mixer |
08/01/2006 | US7085335 Method and apparatus for reducing DC offsets in a communication system |
07/27/2006 | US20060164554 Method and apparatus for detecting and rejecting ntsc interference in atsc system |
07/26/2006 | EP1495536B1 Improved signal detection in a direct-sequence spread spectrum transmission system |
07/25/2006 | US7082566 Signal quality evaluation method, information recording/reproducing system, and recording compensation method |
07/20/2006 | WO2006055719A3 Precoding system and method for multi-user transmission in multiple antenna wireless systems |
07/20/2006 | WO2006016980A3 Method and apparatus capable of interference cancellation |
07/20/2006 | US20060158243 Amplitude demodulator for an electromagnetic transponder |
07/20/2006 | DE112004001838T5 Spannungstrimmschaltung Voltage trimming circuit |
07/18/2006 | US7079609 Method and apparatus for reducing interference within a communication system |
07/18/2006 | US7079608 Method and device for channel estimation, in particular for a cellular mobile telephone |
07/18/2006 | US7079607 Multi-user detection method |
07/18/2006 | US7079603 Method for correlating chronologically discrete signal segments |
07/18/2006 | US7079602 Receiving apparatus and method and provision medium |
07/18/2006 | US7079601 Efficient channel estimation in a digital communications system |
07/18/2006 | US7079596 Multiband data communication apparatus, communication method of multiband data communication apparatus, and storage medium |
07/13/2006 | WO2005050827A3 Amplifier linearization using non-linear predistortion |
07/13/2006 | US20060153318 Memoryless spectrum correction algorithm for non-ideal I/Q demodulators |
07/13/2006 | US20060153313 Method and apparatus for minimizing co-channel interference |
07/12/2006 | CN2796244Y Radio frequency detecting circuit |
07/11/2006 | US7076006 Data reproducing method and device reproducing data according to a Viterbi decoding algorithm using an average value of a reproduction signal |
07/11/2006 | US7076005 System and method for transmission format detection |
07/11/2006 | US7076004 Apparatus and method for adaptively detecting received signals for power line communication |
07/11/2006 | US7076000 Soft-decision metric generation for higher order modulation |
07/06/2006 | US20060146965 Apparatus and method for detecting a signal in a multiple-input multiple-output mobile communication system |
07/06/2006 | US20060145915 Interference management |
07/05/2006 | CN1797937A Load circuit for eliminating DC bias voltage, and mixer of using the load circuit |
07/04/2006 | US7071773 Digital phase locked loop |
06/29/2006 | WO2006068862A2 Method and apparatus for performing channel assessment in a wireless communication system |
06/29/2006 | US20060140316 Method for suppressing narrowband noise in a wideband communication system |
06/29/2006 | US20060140312 Blind SNR estimation |
06/29/2006 | US20060140311 Composite data detector and a method for detecting data |
06/29/2006 | US20060140295 Multi sub-carrier communication system and method providing improved frequency equalization performance |
06/28/2006 | EP1673872A1 Method and apparatus for accurately detecting validity of a received signal |
06/28/2006 | CN1794594A Front-ene circuit of two-step double-orthogonal zero medium frequency structure receiver of global digital broadcasting |
06/27/2006 | US7068744 Synchronous detection method and device, and sensor signal detector |
06/27/2006 | US7068741 Approximator apparatus, and associated method, for approximating an N-dimensional euclidean norm |
06/22/2006 | US20060133549 Robust multiple chain receiver |
06/22/2006 | US20060133548 Apparatus and method to calibrate amplitude and phase imbalance for communication receivers |
06/22/2006 | US20060133547 Method and corresponding arrangement for dc offset compensation using channel estimation |
06/22/2006 | US20060133543 Method and apparatus for performing channel assessment in a wireless communication system |
06/22/2006 | US20060133527 Residual frequency, phase, timing offset and signal amplitude variation tracking apparatus and methods for OFDM systems |
06/21/2006 | EP1671441A2 Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals |
06/21/2006 | EP1671430A1 System for decreasing processing time in an iterative multi-user detector system |
06/21/2006 | CN1792071A Method and wireless device employing a preamble to initiate communications |
06/20/2006 | US7065166 Wireless receiver and method for determining a representation of noise level of a signal |
06/20/2006 | US7065162 Method and system for down-converting an electromagnetic signal, and transforms for same |
06/20/2006 | US7065161 Partial response maximum likelihood (PRML) bit detection apparatus |
06/20/2006 | US7065160 Method and apparatus for correcting the phase of a clock in a data receiver |
06/20/2006 | US7065159 Compensation based bit-error-rate estimation for convolutionally encoded transmissions in wireless systems |
06/15/2006 | US20060126764 Processing of an OFDM signal |
06/15/2006 | US20060126760 Method and device for carrier-frequency synchronisation of a vestigial-sideband-modulated signal |