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Class Information
Number: 375/152
Name: Pulse or digital communications > Spread spectrum > Direct sequence > Receiver > Matched-filter-type receiver
Description: Subject matter in which transmitted signals are recovered using a structure or method that is designed to pass only the specific transmitted signal (i.e., spreading code), that is, it is a matched to the spreading code used to transmit the signal.










Sub-classes under this class:

Class Number Class Name Patents
375/153 Having saw or charge-transfer device 44


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8693972 Down-conversion of multiple RF channels Apr. 8, 2014
8687674 SAW correlator spread spectrum receiver Apr. 1, 2014
8670733 Multimode communication device with shared signal path programmable filter Mar. 11, 2014
8665937 Load estimation in wireless communication Mar. 4, 2014
8638888 Analog correlation technique for ultra low power receivers Jan. 28, 2014
8634504 Correlation calculating method, satellite signal capturing method, and correlation calculating circuit Jan. 21, 2014
8630332 GNSS signal processor Jan. 14, 2014
8615058 Signal acquisition system Dec. 24, 2013
8605833 Signal processing apparatus and method thereof Dec. 10, 2013
8599974 Method and apparatus of determining a set of zero correlation zone lengths Dec. 3, 2013
8599905 Processor for use as a path searcher of a spread spectrum receiver and a method of operation of the processor Dec. 3, 2013
8588270 Architecture for ultra-wideband radio Nov. 19, 2013
8576964 Radio receiver Nov. 5, 2013
8571090 Technique for searching for a preamble signal in a spread spectrum using a fast hadamard transform Oct. 29, 2013
8565288 Apparatus and method for performing delay-locked loop operation on receiving signal Oct. 22, 2013
8509207 Defining adaptive detection thresholds Aug. 13, 2013
8503594 Phase tracking in communications systems Aug. 6, 2013
8503485 Method and apparatus for processing primary and secondary synchronization signals for wireless communication Aug. 6, 2013
8498325 Differentiated linear equalization at communication base stations Jul. 30, 2013
8498658 Techniques and systems for providing data over power in communications based on time reversal Jul. 30, 2013
8472410 Rake receiver architecture within a WCDMA terminal Jun. 25, 2013
8472571 Direct detection of wireless interferers in a communication device for multiple modulation types Jun. 25, 2013
8462829 System and method for communicating in a lossy environment Jun. 11, 2013
8457255 Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals Jun. 4, 2013
8451935 Transmission device, communication system, transmission method and program May. 28, 2013
8442164 Correlation peak location May. 14, 2013
8437381 Method and system for delay matching in a rake receiver for WCDMA closed loop modes May. 7, 2013
8437435 Correlation computation method, device and system May. 7, 2013
8417442 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations Apr. 9, 2013
8416878 Method and system for achieving space and time diversity gain Apr. 9, 2013
8416842 Channel estimation method and apparatus for wireless communication system Apr. 9, 2013
8406353 Signal sequence detection in presence of carrier or narrow band transmissions Mar. 26, 2013
8401055 Communications methods and apparatus Mar. 19, 2013
8396094 Frequency tracking method and apparatus applied to positioning system Mar. 12, 2013
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8392419 Computer research tool for the organization, visualization and analysis of metabolic-related clinical data and method thereof Mar. 5, 2013
8385480 Receiving apparatus and receiving method Feb. 26, 2013
8379696 Method and apparatus for switching operating modes of a receiver Feb. 19, 2013
8374229 Method for the detection and generation of a useful signal and associated devices and communications system Feb. 12, 2013
8363702 GMSK spread modulation receiver Jan. 29, 2013
8355472 Frequency deviation error compensation in an MLSE receiver Jan. 15, 2013
8355426 Decoding data transmitted using space-time spreading in a wireless communication system Jan. 15, 2013
8355425 UWB receiver and a data transmission method and system Jan. 15, 2013
8351486 Parallel correlator implementation using hybrid correlation in spread-spectrum communication Jan. 8, 2013
8345725 Hidden Markov Model detection for spread spectrum waveforms Jan. 1, 2013
8345804 Simplified RACH preamble detection receiver Jan. 1, 2013
8300686 Scaled signal processing elements for reduced filter tap noise Oct. 30, 2012
8300741 Interference detector and method thereof Oct. 30, 2012
8295415 Interference characterisation and removal Oct. 23, 2012
8279982 Method and system for estimating the speed of a mobile device in a network Oct. 2, 2012

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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