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Browse by Category: Main > Communications
Class Information
Number: 375/147
Name: Pulse or digital communications > Spread spectrum > Direct sequence > Receiver
Description: Subject matter comprising recovery, demodulation and decoding of signals.










Sub-classes under this class:

Class Number Class Name Patents
375/150 Correlation-type receiver 1,890
375/149 Having specific code synchronization 851
375/152 Matched-filter-type receiver 559
375/148 Multi-receiver or interference cancellation 1,587


Patents under this class:
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Patent Number Title Of Patent Date Issued
7606288 Burst spread spectrum radio system and method for asset tracking and data telemetry Oct. 20, 2009
7606137 Cancellation systems for multicarrier transceiver arrays Oct. 20, 2009
7602866 Signal receiver devices and methods Oct. 13, 2009
7602864 Method and apparatus for predicting CCK subsymbols Oct. 13, 2009
7602835 Multi-rate spread spectrum composite code Oct. 13, 2009
7602834 System and method for determining a fine frequency offset of a received signal Oct. 13, 2009
7599425 Multiple channel joint decoding at mobile handset Oct. 6, 2009
7599422 Adjustable dual-band link Oct. 6, 2009
7599421 Spread spectrum applications of universal frequency translation Oct. 6, 2009
7599344 Method and apparatus for reducing multi-user processing in wireless communication systems Oct. 6, 2009
7596171 Data detection for codes with non-uniform spreading factors Sep. 29, 2009
7596170 Coherent detection without transmission preamble Sep. 29, 2009
7593704 Receiver assembly and method for multi-gigabit wireless systems Sep. 22, 2009
7593452 Despreading spread spectrum data Sep. 22, 2009
7593451 Apparatus and method for communicating packet data control channel in a mobile communication system Sep. 22, 2009
7593449 Multicarrier sub-layer for direct sequence channel and multiple-access coding Sep. 22, 2009
7590165 Sub-system based window placement and size decision mechanism and method thereof Sep. 15, 2009
7587224 Reconfigurable topology for receiver front ends Sep. 8, 2009
7586975 Code tracking apparatus and method under a multi-path environment in a DS-CDMA communication system Sep. 8, 2009
7586972 Code division multiple access enhanced capacity system Sep. 8, 2009
7586884 Joint packet detection in wireless communication system with one or more receiver Sep. 8, 2009
7583740 Apparatus and method for tracking sampling clock in multi-carrier communication system Sep. 1, 2009
7583739 Channel estimation device, channel estimation method, and wireless receiver Sep. 1, 2009
7583720 Wireless communication method and apparatus for assigning multi-paths to rake receiver fingers Sep. 1, 2009
7583639 System and method for determining data rate Sep. 1, 2009
7580475 Base station having a set of phased array antennas Aug. 25, 2009
7580464 Method for detecting UWB pulse sequences and analog detection means suitable for this purpose Aug. 25, 2009
7580451 Decoding of Walsh codes Aug. 25, 2009
7580444 Frequency hopping communication system Aug. 25, 2009
7580390 Reducing handover frequency error Aug. 25, 2009
7577185 Finger for symbol-rate weighting using in smart antenna system, and its application for demodulation apparatus and method Aug. 18, 2009
7577184 Memory-based device and method of channel estimation in a digital communication receiver Aug. 18, 2009
7570748 Control and monitoring telecommunication system and method of setting a modulation method Aug. 4, 2009
7570626 Communication method, transmitting device using the same, and receiving device using the same Aug. 4, 2009
7570576 Detection and mitigation of temporary (bursts) impairments in channels using SCDMA Aug. 4, 2009
7564891 Method of using long cellized codes in a joint detection system Jul. 21, 2009
7564774 Communication network using code division multiplexing technology Jul. 21, 2009
7558570 Terrestrial DMB receiver using imaginary channel to receive broadcasting services Jul. 7, 2009
7558310 Multi-scale code division frequency/wavelet multiple access Jul. 7, 2009
7555080 Digital broadcasting receiving system and equalizing method thereof Jun. 30, 2009
7555074 Interference estimation in the presence of frequency errors Jun. 30, 2009
7555034 Apparatus and method for detecting timing error based on cyclic correlation Jun. 30, 2009
7555031 Digital wireless audio receiver system employing time diversity Jun. 30, 2009
7551665 Ultra wideband receiver architecture using high order Gaussian pulses and method of operation Jun. 23, 2009
7551664 Iterative and turbo-based method and apparatus for equalization of spread-spectrum downlink channels Jun. 23, 2009
7551663 Use of correlation combination to achieve channel detection Jun. 23, 2009
7548598 Method and apparatus for iteratively improving the performance of coded and interleaved communication systems Jun. 16, 2009
7548579 Symbol spreading method and device for OFDM systems Jun. 16, 2009
7548577 Frequency domain joint detection for wireless communication systems Jun. 16, 2009
7548576 Self organization of wireless sensor networks using ultra-wideband radios Jun. 16, 2009

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