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Class Information
Number: 375/142
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system > Having correlation-type receiver
Description: Subject matter in which transmitted signals are recovered using a structure or method that compares a transmitted spreading code sequence with a local spreading code sequence, generally by multiplicative means.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8711827 Mobile terminal based on W-CDMA system having receive diversity function and system thereof Apr. 29, 2014
8711902 Synchronization processing circuit and synchronization processing method in wireless communication system Apr. 29, 2014
8705661 Techniques for channel estimation in millimeter wave communication systems Apr. 22, 2014
8693524 Synchronization method for impulse system ultra-wideband Apr. 8, 2014
8693526 Unipolar spread spectrum modulation for low computation and power cost signal multiplexing with application to fNIRS measurments Apr. 8, 2014
8687674 SAW correlator spread spectrum receiver Apr. 1, 2014
8681834 Wireless communications system with secondary synchronization code based on values in primary synchronization code Mar. 25, 2014
8681911 Identification signal analyzing apparatus and method for compensating for separation and attenuation of channel profile Mar. 25, 2014
8675788 Correction of frequency offsets greater than the nyquist frequency Mar. 18, 2014
8676137 Mobile wireless terminal, a method of measuring signal strength of a received signal, and a method of searching for a base station Mar. 18, 2014
8660165 System and method for detecting spread spectrum signals in a wireless environment Feb. 25, 2014
8660166 Method for synchronizing a receiver with a received ambiguous signal having a known number of at least two peaks Feb. 25, 2014
8644265 Wideband analog channel information feedback Feb. 4, 2014
8644364 Method and system for computing a cell normalization factor by sharing arithmetic units in a rake receiver to reduce overall implementation area Feb. 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
8634490 Techniques for detection of signals in multiple-input multiple-output communication systems Jan. 21, 2014
8630332 GNSS signal processor Jan. 14, 2014
8625656 Channel estimation for wireless communication Jan. 7, 2014
8615032 Process for sub-microsecond time transfer using weak GPS/GNSS signals Dec. 24, 2013
8615058 Signal acquisition system Dec. 24, 2013
8611397 Method and system for efficient DSSS FFT processing employing prime factor decomposition Dec. 17, 2013
8594153 Spread-spectrum receiver with progressive fourier transform Nov. 26, 2013
8594151 Pilot sequence detection Nov. 26, 2013
8588270 Architecture for ultra-wideband radio Nov. 19, 2013
8588272 Management and selection of reference frames for long term prediction in motion estimation Nov. 19, 2013
8576963 Non-coherent detection apparatus and method for IEEE 802.15.4 LR-WPAN BPSK receiver Nov. 5, 2013
8576964 Radio receiver Nov. 5, 2013
8571087 WCDMA terminal baseband processing module having multi-path scanner module Oct. 29, 2013
8565288 Apparatus and method for performing delay-locked loop operation on receiving signal Oct. 22, 2013
8553746 Method and system for code reuse and capacity enhancement using null steering Oct. 8, 2013
8548107 Advanced multi-user detector Oct. 1, 2013
8537878 Spread-spectrum codes generation Sep. 17, 2013
8537940 Wireless communication system and method of processing a wireless signal Sep. 17, 2013
8532159 Transmitter, receiver, wireless communication system, and communication method Sep. 10, 2013
8532233 Apparatus and method for frequency offset estimation Sep. 10, 2013
8526540 Method and receiving unit for the detection of data symbols Sep. 3, 2013
8520717 GNSS receiver with cross-correlation rejection Aug. 27, 2013
8520719 Multiple-mode correlator Aug. 27, 2013
8514117 Excess loop delay compensation for a continuous time sigma delta modulator Aug. 20, 2013
8515435 Adaptive MIMO architecture Aug. 20, 2013
8503594 Phase tracking in communications systems Aug. 6, 2013
8503504 Method for estimating a carrier-frequency shift in a telecommunication signals receiver, notably a mobile device Aug. 6, 2013
8503505 Apparatus and method for transmitting/receiving data in a communication system Aug. 6, 2013
8498325 Differentiated linear equalization at communication base stations Jul. 30, 2013
8488649 Code converting apparatus, receiver, and code converting method Jul. 16, 2013
8488693 Wireless communication systems and methods using reference signals Jul. 16, 2013
8477866 Calibration method for Tx/Rx path characteristic of channel sounder Jul. 2, 2013
8472571 Direct detection of wireless interferers in a communication device for multiple modulation types Jun. 25, 2013
8472504 Method for optimizing an acquisition of a spread-spectrum signal from a satellite by a mobile receiver Jun. 25, 2013

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