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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6792056 |
Cancellation circuit that suppresses electromagnetic interference in a high speed circuit using a function generator |
Sep. 14, 2004 |
| 6792057 |
Partial band reconstruction of frequency channelized filters |
Sep. 14, 2004 |
| 6788734 |
Rake receiver for spread spectrum signal demodulation |
Sep. 7, 2004 |
| 6785341 |
Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information |
Aug. 31, 2004 |
| 6785351 |
Method and system for Doppler frequency estimation |
Aug. 31, 2004 |
| 6782040 |
Interference cancellation in a spread spectrum communication system |
Aug. 24, 2004 |
| 6778598 |
Method for modifying the channel impulse response in TDMA systems |
Aug. 17, 2004 |
| 6778617 |
Methods and devices for simplifying the minimization of interblock interference in finite response filters |
Aug. 17, 2004 |
| 6778618 |
Methods and devices for minimizing interblock interference in discrete multi-tone devices |
Aug. 17, 2004 |
| 6775520 |
Synthetic-aperture communications receivers |
Aug. 10, 2004 |
| 6775521 |
Bad frame indicator for radio telephone receivers |
Aug. 10, 2004 |
| 6771628 |
Method and apparatus for evaluating a timeslot in a TDMA signal |
Aug. 3, 2004 |
| 6771721 |
Method and apparatus for eliminating audio clicks in a radio receiver |
Aug. 3, 2004 |
| 6771722 |
Channel estimator and method therefor |
Aug. 3, 2004 |
| 6771723 |
Normalized parametric adaptive matched filter receiver |
Aug. 3, 2004 |
| 6771934 |
Methods and systems for reducing interference across coverage cells |
Aug. 3, 2004 |
| 6765970 |
Method and apparatus for preventing interference |
Jul. 20, 2004 |
| 6766148 |
Switched sideband frequency low-IF transmitter |
Jul. 20, 2004 |
| 6763076 |
Equalizing and decoding device for a frequency-selective digital transmission channel |
Jul. 13, 2004 |
| 6760360 |
Device and method for filtering received signals for mobile telephone system |
Jul. 6, 2004 |
| 6760370 |
Low bias method for estimating small signal-to-noise ratio |
Jul. 6, 2004 |
| 6757346 |
Code division multiplex radio equipment with interference canceler |
Jun. 29, 2004 |
| 6754258 |
Systems, methods and computer program products for averaging learned levels in the presence of digital impairments based on patterns |
Jun. 22, 2004 |
| 6754262 |
Multipath ghost eliminating equalizer with optimum noise enhancement |
Jun. 22, 2004 |
| 6754293 |
Method and circuit arrangement for processing a signal containing interference |
Jun. 22, 2004 |
| 6754503 |
Method for adaptively selecting a soft symbol for a subsequent operation a communication device |
Jun. 22, 2004 |
| 6751187 |
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission |
Jun. 15, 2004 |
| 6751202 |
Filtered transmit cancellation in a full-duplex modem data access arrangement (DAA) |
Jun. 15, 2004 |
| 6751247 |
Method of reducing interference, and radio system |
Jun. 15, 2004 |
| 6751273 |
Apparatus for compensating a channel distortion in a bluetooth system |
Jun. 15, 2004 |
| 6751274 |
Apparatus and method for channel estimation in radio communication system |
Jun. 15, 2004 |
| 6751275 |
Demodulator and radio communication system using the same |
Jun. 15, 2004 |
| 6747969 |
Transmission gap interference measurement |
Jun. 8, 2004 |
| 6744474 |
Recursive metric for NTSC interference rejection in the ATSC-HDTV trellis decoder |
Jun. 1, 2004 |
| 6744831 |
Adaptive electronic transmission signal cancellation apparatus for full duplex communication |
Jun. 1, 2004 |
| 6741185 |
Digital signal receiver for measurement while drilling system having noise cancellation |
May. 25, 2004 |
| 6735221 |
Communication network system |
May. 11, 2004 |
| 6735244 |
Data transmission system and receiver unit thereof |
May. 11, 2004 |
| 6735262 |
Apparatus and method of decision-directed carrier recovery based on LMS method |
May. 11, 2004 |
| 6731704 |
Apparatus and bit-shift method for eliminating interference of cross polarization |
May. 4, 2004 |
| 6731705 |
Method and apparatus for mitigating inter-channel interference in adaptive array systems |
May. 4, 2004 |
| 6728324 |
Method and apparatus for multipath signal compensation in spread-spectrum communications systems |
Apr. 27, 2004 |
| 6724839 |
Adaptive inter-symbol interference boost equalization apparatus and method |
Apr. 20, 2004 |
| 6724840 |
Adaptive interference cancellation method |
Apr. 20, 2004 |
| 6724841 |
Equalizer with a cost function taking into account noise energy |
Apr. 20, 2004 |
| 6725028 |
Receiving station with interference signal suppression |
Apr. 20, 2004 |
| 6721373 |
Multi-tone receiver and a method for operating the same |
Apr. 13, 2004 |
| 6721374 |
Method for reducing effects of interference, and receiver |
Apr. 13, 2004 |
| 6717991 |
System and method for dual microphone signal noise reduction using spectral subtraction |
Apr. 6, 2004 |
| 6718162 |
Receiver for a CDMA mobile radiocommunication system |
Apr. 6, 2004 |
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