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Class Information
Number: 375/136
Name: Pulse or digital communications > Spread spectrum > Frequency hopping > Receiver
Description: Subject matter comprising recovery, demodulation and decoding of signals.


Sub-classes under this class:

Class Number Class Name Patents
375/137 Having specific code acquisition or tracking 137


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
RE40986 Channel simulator for mobile systems Nov. 17, 2009
7616606 Mechanism for avoiding triggering silent radio squelch circuits Nov. 10, 2009
7613223 Time-frequency coding in a multi-band ultra-wideband system Nov. 3, 2009
7613229 Method and apparatus for combined finger management and finger lock for a multipath signals in a wireless communication system Nov. 3, 2009
7613258 Apparatus and method for determining GPS tracking loop parameter based on SNR estimation Nov. 3, 2009
7606327 Method to receive local information with a national broadcast service Oct. 20, 2009
7606320 Apparatus and method for space-frequency block coding/decoding in a communication system Oct. 20, 2009
7606290 Architecture for signal acquisition with cyclic range search Oct. 20, 2009
7606288 Burst spread spectrum radio system and method for asset tracking and data telemetry Oct. 20, 2009
7602834 System and method for determining a fine frequency offset of a received signal Oct. 13, 2009
7602835 Multi-rate spread spectrum composite code Oct. 13, 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
7586975 Code tracking apparatus and method under a multi-path environment in a DS-CDMA communication system Sep. 8, 2009
7583737 OFDM signal receiver device and OFDM signal receiving method Sep. 1, 2009
7580390 Reducing handover frequency error Aug. 25, 2009
7580466 Demodulation device and demodulation method Aug. 25, 2009
7580475 Base station having a set of phased array antennas Aug. 25, 2009
7561613 Digital carrier multi-band user codes for ultra-wideband multiple access Jul. 14, 2009
7558310 Multi-scale code division frequency/wavelet multiple access Jul. 7, 2009
7555031 Digital wireless audio receiver system employing time diversity Jun. 30, 2009
7548577 Frequency domain joint detection for wireless communication systems Jun. 16, 2009
7548578 Digital frequency hopping transceiver and method thereof Jun. 16, 2009
7545854 Doppler corrected spread spectrum matched filter Jun. 9, 2009
7542504 Frequency hopping ofdma method using symbols of comb pattern Jun. 2, 2009
7539167 Spread spectrum receiver and method for carrier frequency offset compensation in such a spread spectrum receiver May. 26, 2009
7535983 Method for identifying the beginning of a UWB pulse sequence May. 19, 2009
7535953 Time information transmitter-receiver, and time information transmission-reception integrated circuit May. 19, 2009
7535952 Reception apparatus and method of a mobile station in an mobile communication system May. 19, 2009
7532658 Apparatus for reducing electromagnetic interference and method therefor May. 12, 2009
7529177 Dithering scheme using multiple antennas for OFDM systems May. 5, 2009
7526010 Doped multi-rate spread spectrum composite code Apr. 28, 2009
7522658 Design method and implementation of optimal linear IIR equalizers for RF transceivers Apr. 21, 2009
7522653 System and method for PN correlation and symbol synchronization Apr. 21, 2009
7515628 Portable terminal set and control method thereof Apr. 7, 2009
7515627 System and method for ultra-wideband (UWB) communication transceiver Apr. 7, 2009
7515644 Apparatus and method for space-time-frequency block coding for increasing performance Apr. 7, 2009
7515653 Digital broadcasting receiver, driving method thereof, and self-diagnosis method thereof Apr. 7, 2009
7508860 Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same Mar. 24, 2009
7499509 Receiver for compensating nonlinearly distorted multicarrier signals Mar. 3, 2009
7499417 Apparatus and method for controlling an output buffer in a hybrid automatic repeat request (HARQ) mobile communication system Mar. 3, 2009
7499483 Receiver capable of enhancing receiving efficiency in a code division multiple access communication system Mar. 3, 2009
7492808 Decoding method using adaptive step-size algorithm for a space-time coded DS-CDMA system Feb. 17, 2009
7489755 Method and apparatus for transmission and reception of data Feb. 10, 2009
7480516 Method and apparatus of forward link and reverse link power control in a cellular wireless communication system Jan. 20, 2009
7480349 Low IF receiver systems and methods Jan. 20, 2009
7480344 Architectural techniques for envelope and phase signal alignment in RF polar transmitters using power amplifier feedback Jan. 20, 2009
7474688 System and method for detecting multiple direct sequence spread spectrum signals using a multi-mode searcher Jan. 6, 2009
7474690 Systems and methods for parallel signal cancellation Jan. 6, 2009
7471940 Ratiometric clock systems for integrated receivers and associated methods Dec. 30, 2008

1 2 3 4 5 6


 
 
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