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Class Information
Number: 375/346
Name: Pulse or digital communications > Receivers > Interference or noise reduction
Description: Subject matter where the deleterious effects of extraneous signals are eliminated or suppressed at the receiver.


Sub-classes under this class:

Class Number Class Name Patents
375/350 By filtering (e.g., digital) 1,315
375/347 Diversity (frequency or time) 1,261
375/351 Gating, blanking, etc. 149
375/348 Intersymbol interference 470
375/349 Plural signal paths in receiver 745


Patents under this class:

Patent Number Title Of Patent Date Issued
7292639 Method and apparatus for peak to average power ratio reduction for orthogonal frequency division multiplex systems Nov. 6, 2007
7292637 Noise-tolerant signaling schemes supporting simplified timing and data recovery Nov. 6, 2007
7289583 Method of and apparatus for single antenna interference rejection through relaxation Oct. 30, 2007
7289582 EMI cancellation method and system Oct. 30, 2007
7289568 Spectrum management apparatus, method, and system Oct. 30, 2007
7286597 Methods and systems for adaptive receiver equalization Oct. 23, 2007
7286517 Multi-user detection method for a receiver in a MC-CDMA telecommunication system Oct. 23, 2007
7286514 Method for phase noise suppression for OFDM based WLANs Oct. 23, 2007
7286481 Wireless network adapted to transmit channel side information and method thereof Oct. 23, 2007
7283799 Cancellation system for frequency reuse in microwave communications Oct. 16, 2007
7280619 Method and apparatus for compensating I/Q imbalance in receivers Oct. 9, 2007
7280611 Nonlinear distortion compensating device Oct. 9, 2007
7277513 Frequency domain notching with dummy subchannels Oct. 2, 2007
7277512 Systems and methods for accounting for intercarrier interference in transmission systems Oct. 2, 2007
7277500 Signal-processing method and a receiver Oct. 2, 2007
7277493 Equalization in orthogonal frequency domain multiplexing Oct. 2, 2007
7277475 Narrowband interference excision device Oct. 2, 2007
7277471 Time-tracking for clustered demodulation elements in a spread spectrum system Oct. 2, 2007
7274744 Multicarrier communication system and reception device for same Sep. 25, 2007
7274736 Multiple path equalization for multicarrier systems Sep. 25, 2007
7274728 Adaptive channel estimation using continuous pilot signal based on doppler period Sep. 25, 2007
7272174 Upstream data transmission Sep. 18, 2007
7271749 Context-based denoiser that simultaneously updates probabilities for multiple contexts Sep. 18, 2007
7269238 Receiving method and receiver Sep. 11, 2007
7269237 Noise canceller Sep. 11, 2007
7269202 Radio apparatus, swap detecting method and swap detecting program Sep. 11, 2007
7266358 Method and system for noise reduction in measurement receivers using automatic noise subtraction Sep. 4, 2007
7266166 Method and arrangement for interference attenuation Sep. 4, 2007
7266160 Method for joint DC offset correction and channel coefficient estimation in a receiver Sep. 4, 2007
7263143 System and method for statistically directing automatic gain control Aug. 28, 2007
7263140 Extracting signal components in radio system receiver Aug. 28, 2007
7260506 Orthogonalization and directional filtering Aug. 21, 2007
7260163 Noise blanker using an adaptive all-pole predictor and method therefor Aug. 21, 2007
7260162 Method and apparatus for selecting an equalization algorithm depending on the used coding algorithm or on the channel quality Aug. 21, 2007
7260161 Hybrid multi-user interference cancellation method and device using clustering algorithm based on dynamic programming Aug. 21, 2007
7260105 Reduced peak EMI bus using variable bit rate spreading Aug. 21, 2007
7260056 Channel estimation in a wireless communication system Aug. 21, 2007
7257377 Systems and methods for improving channel estimation Aug. 14, 2007
7257180 Method for receiving a message signal, receiver, receiving device and message transmission system for this Aug. 14, 2007
7257174 Method for processing a digital input signal of a channel equalizer Aug. 14, 2007
7257173 Bounding box signal detector Aug. 14, 2007
7257163 Method and system for reducing inter-symbol interference effects in transmission over a serial link with mapping of each word in a cluster of received words to a single transmitted word Aug. 14, 2007
7254379 RF receiver mismatch calibration system and method Aug. 7, 2007
7254197 Apparatus and method for canceling interference signals in a receiver for a packet data communication system Aug. 7, 2007
7251302 Method, system and apparatus for quantifying the contribution of inter-symbol interference jitter on timing skew budget Jul. 31, 2007
7251301 Methods and systems for providing a noise signal Jul. 31, 2007
7251291 System and method for I/Q imbalance compensation Jul. 31, 2007
7251273 Minimum equalization error based channel estimator Jul. 31, 2007
7251271 Digital filter design Jul. 31, 2007
7248657 Method for suppressing interference and arrangement for same, and radio communications receiver Jul. 24, 2007



 
 
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