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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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7729408 Encoding scheme for data transfer Jun. 1, 2010
7729407 Single-pulse and multi-pulse transmitted reference impulse radio systems with energy detecting receivers Jun. 1, 2010
7729405 Communication device and communication method Jun. 1, 2010
7720450 Station comprising a rake receiver May. 18, 2010
7720173 Apparatus and method for transmitting/receiving data in multi-user multi-antenna communication system May. 18, 2010
7720133 Wireless communication apparatus, wireless communication method, propagation measurement apparatus and propagation measurement method May. 18, 2010
7715496 Channel state determination method and channel state generator in receiver May. 11, 2010
7715463 Simple and robust digital code tracking loop for wireless communication systems May. 11, 2010
7715462 Variable spreading factor-orthogonal frequency and code division multiplexing (VSF-OFCDM) system, a receiver for use therein and a method of processing received signals in such a system May. 11, 2010
7711038 System and method for despreading in a spread spectrum matched filter May. 4, 2010
7711034 Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification May. 4, 2010
7711033 SIR prediction method and apparatus May. 4, 2010
7706486 Efficient diversity combining for wideband downlink Apr. 27, 2010
7706430 System, apparatus, and method for adaptive weighted interference cancellation using parallel residue compensation Apr. 27, 2010
7706429 BOC signal acquisition and tracking method and apparatus Apr. 27, 2010
7702287 Communication device, calibration method, and program Apr. 20, 2010
7702245 Spread spectrum in-band utility communication channel Apr. 20, 2010
7702035 Searching method and apparatus for processing digital communication signals Apr. 20, 2010
7702000 Method and system for weight generation in an adaptive array with spread spectrum Apr. 20, 2010
7701998 Radio signal positioning Apr. 20, 2010
7701996 Methods and apparatus implementing short and long code channel overlay for fast acquistion of long PN codes in spread spectrum communications systems Apr. 20, 2010
7693209 Method for carrier frequency offset fine estimation in TD-SCDMA system Apr. 6, 2010
7693191 System and method for receiving a multiple format wireless signal Apr. 6, 2010
7689739 Spread spectrum receiver, apparatus and method of a circular buffer for multirate data Mar. 30, 2010
7689406 Method and system for measuring a system's transmission quality Mar. 30, 2010
7688920 AFC wrap-around detection Mar. 30, 2010
7688882 Time-tracking for clustered demodulation elements in a spread spectrum system Mar. 30, 2010
7688879 Method and apparatus for forming a beam Mar. 30, 2010
7684515 Radio receiver, system on a chip integrated circuit and methods for use therewith Mar. 23, 2010
7684474 Method and apparatus for demodulating signals processed in a transmit diversity mode Mar. 23, 2010
7684471 Rake-finger combiner with reduced resource requirement Mar. 23, 2010
7684470 Fast acquisition of a pilot signal in a wireless communication device Mar. 23, 2010
7684469 Code division multiple access transmission antenna weighting Mar. 23, 2010
7684468 Wireless communication device Mar. 23, 2010
7684467 Performing blind scanning in a receiver Mar. 23, 2010
7684466 Wired spread spectrum communication device, a method for communication thereof, and a wired spread spectrum communication system Mar. 23, 2010
7684461 Multimode receiver Mar. 23, 2010
7680093 Sector selection for F-SCH Mar. 16, 2010
7680084 Method and apparatus for providing orthogonal spot beams, sectors, and picocells Mar. 16, 2010
7676000 Systems and methods for an adaptive rake receiver Mar. 9, 2010
7675962 Method and apparatus for deriving a channel impulse response estimate for a wireless channel Mar. 9, 2010
7675960 Method for generating communication signal sequences having desirable correlation properties and system for using same Mar. 9, 2010
7672415 System and method for detecting a presence and frequency offset of a spread spectrum radio frequency signal Mar. 2, 2010
7672404 Method and apparatus for reducing the time required to acquire a GPS signal Mar. 2, 2010
7672403 Radio receiver, system on a chip integrated circuit and methods for use therewith Mar. 2, 2010
7672360 Channel estimation for time division duplex communication systems Mar. 2, 2010
7672359 Spread-spectrum receivers with extended dynamic range Mar. 2, 2010
7668226 Method and apparatus for estimating gain offsets for amplitude-modulated communication signals Feb. 23, 2010
7664164 Correlation apparatus and method for accomodating spreading code frequency offset Feb. 16, 2010
7664163 Receiver Feb. 16, 2010

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