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Browse by Category: Main > Communications
Class Information
Number: 375/143
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system > Having 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 matched to the spreading code used to transmit the signal.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8711991 Method and a channel estimating arrangement for performing channel estimation Apr. 29, 2014
8687674 SAW correlator spread spectrum receiver Apr. 1, 2014
8670733 Multimode communication device with shared signal path programmable filter Mar. 11, 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
8611203 Coding information for communication over an orthogonal frequency division multiple access (OFDMA)-based wireless link Dec. 17, 2013
8605833 Signal processing apparatus and method thereof Dec. 10, 2013
8594151 Pilot sequence detection Nov. 26, 2013
8594153 Spread-spectrum receiver with progressive fourier transform Nov. 26, 2013
8594242 Method of receiving modulation symbols Nov. 26, 2013
8588270 Architecture for ultra-wideband radio Nov. 19, 2013
8576952 Configurable all-digital coherent demodulator system for spread spectrum applications Nov. 5, 2013
8576964 Radio receiver Nov. 5, 2013
8565288 Apparatus and method for performing delay-locked loop operation on receiving signal Oct. 22, 2013
8565209 Communication apparatus, communication system, communication method and computer-readable storage medium Oct. 22, 2013
8503594 Phase tracking in communications systems 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
8488649 Code converting apparatus, receiver, and code converting method Jul. 16, 2013
8472571 Direct detection of wireless interferers in a communication device for multiple modulation types Jun. 25, 2013
8467462 Multicarrier receiving apparatus, multicarrier communication system and demodulation method Jun. 18, 2013
8463196 Method and decoder for decoding a wireless transmission from a predefined user Jun. 11, 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
8451946 Method of coding and decoding a pulse signal, in particular an UWB-IR signal, and corresponding devices May. 28, 2013
8437380 Channel estimation for wireless communication May. 7, 2013
8437435 Correlation computation method, device and system May. 7, 2013
8416878 Method and system for achieving space and time diversity gain Apr. 9, 2013
8406353 Signal sequence detection in presence of carrier or narrow band transmissions Mar. 26, 2013
8406277 Signal processor and signal processing method Mar. 26, 2013
8401055 Communications methods and apparatus Mar. 19, 2013
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8391780 System and method of satellite communication that reduces the doppler frequency shift of the satellite signals Mar. 5, 2013
8380420 Drive control device for vehicle Feb. 19, 2013
8374229 Method for the detection and generation of a useful signal and associated devices and communications system Feb. 12, 2013
8355472 Frequency deviation error compensation in an MLSE receiver Jan. 15, 2013
8345725 Hidden Markov Model detection for spread spectrum waveforms Jan. 1, 2013
8345804 Simplified RACH preamble detection receiver Jan. 1, 2013
8335272 Multiple antenna transmission with variable diversity gain Dec. 18, 2012
RE43812 Multiple-input multiple-output (MIMO) spread-spectrum system and method Nov. 20, 2012
8284090 Method and apparatus for analog to digital conversion of small signals in the presence of a large DC offset Oct. 9, 2012
8279967 CDM signal transmitter with modulators reduced in number and a method therefor Oct. 2, 2012
8279982 Method and system for estimating the speed of a mobile device in a network Oct. 2, 2012
8265217 Phase tracking in communications systems Sep. 11, 2012
8265118 Code-modulated path-sharing multi-signal systems Sep. 11, 2012
8260075 Two-dimensional filter arithmetic device and method Sep. 4, 2012
8260361 Method and system for transmitter beamforming Sep. 4, 2012
8238491 Device and method for demodulating control signals Aug. 7, 2012

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