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Class Information
Number: 375/340
Name: Pulse or digital communications > Receivers > Particular pulse demodulator or detector
Description: Subject matter including specific details of the apparatus to convert the pulse signal back to baseband.










Sub-classes under this class:

Class Number Class Name Patents
375/343 Correlative or matched filter 1,872
375/342 Locating predetermined portion of pulse 454
375/341 Maximum likelihood decoder or viterbi decoder 2,140


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
8121229 Guard section length detection method and system Feb. 21, 2012
8121228 Detecting a data frame Feb. 21, 2012
8121226 Method of evaluating a readout signal, and optical disc apparatus Feb. 21, 2012
8121225 Estimating the angle of arrival of a signal received by an array of commutated antenna elements Feb. 21, 2012
8121223 Architectures for universal or software radio Feb. 21, 2012
8121209 Concatenation-assisted symbol-level combining for MIMO systems with HARQ and/or repetition coding Feb. 21, 2012
8121206 Apparatus and method for estimating delay spread of multi-path fading channel in OFDM system Feb. 21, 2012
8116418 Fast locking clock and data recovery Feb. 14, 2012
8116409 Method and apparatus for SerDes jitter tolerance improvement Feb. 14, 2012
8116408 Gain control for reduced interframe spacing (RIFS) Feb. 14, 2012
8116385 Method for the transmission of a data word Feb. 14, 2012
8111787 OFDM channel estimation method and apparatus Feb. 7, 2012
8111786 Signal converters Feb. 7, 2012
8111781 Radio frequency identification (RFID) interrogators Feb. 7, 2012
8111740 Time-domain equalizer Feb. 7, 2012
8107572 Communications system using adaptive filter for interference reduction Jan. 31, 2012
8107570 Space time block coded transmit antenna diversity for WCDMA Jan. 31, 2012
8107564 Device for detecting a frequency offset Jan. 31, 2012
8107563 Receiving apparatus and method for MIMO system Jan. 31, 2012
8107562 Combining soft decisions in a weather band radio Jan. 31, 2012
8107551 Systems and methods for signal modulation and demodulation using phase Jan. 31, 2012
8107550 Methods for precoding signals for transmission in wireless MIMO system Jan. 31, 2012
8107546 Detection method of space domain maximum posteriori probability in a wireless communication system Jan. 31, 2012
8107522 Methods and apparatus for determining receiver filter coefficients for a plurality of phases Jan. 31, 2012
8107517 Average-tap energy based thresholding for channel estimation in multi antenna systems Jan. 31, 2012
8102951 Apparatus and method for controlling iterative decoding in a mobile communication system Jan. 24, 2012
8102950 Method and apparatus for efficient multi-symbol detection Jan. 24, 2012
8102948 Carrier recovery apparatus and method thereof Jan. 24, 2012
8102946 Systems and methods for performing SISO detection in a WiMAX environment Jan. 24, 2012
8102932 Method and apparatus for de-mapping symbol in multi-input multi-output communication system Jan. 24, 2012
8102930 Demodulation of 16-QAM, DCM data symbols using two hybrid-QPSK constellations Jan. 24, 2012
8098781 Communications system using adaptive filter with normalization circuit Jan. 17, 2012
8098777 Signal detection method and receiving apparatus in MIMO system Jan. 17, 2012
8098773 Communication method and apparatus Jan. 17, 2012
8098772 Method for digital wireless communications Jan. 17, 2012
8098771 Receiver apparatus and method for receiving data units over a channel Jan. 17, 2012
8098770 Unbiased signal-to-noise ratio estimation for receiver having channel estimation error Jan. 17, 2012
8098765 Reducing and sharing computations for GPS signal processing Jan. 17, 2012
8098747 OFDM system, symbol estimating apparatus and inter-carrier interference cancellation method for estimating symbol value using output of forward error correction decoder Jan. 17, 2012
8098707 Ultra wideband receiver Jan. 17, 2012
8095855 Systems and methods for regenerating data from a defective medium Jan. 10, 2012
8094763 Communications system using adaptive filter with adaptive update gain Jan. 10, 2012
8094761 Uplink feedback for supporting MIMO operation in the LTE downlink Jan. 10, 2012
8094759 System and method for broadband pulse detection among multiple interferers using a dynamic filter receiver Jan. 10, 2012
8094757 Apparatus, and associated method, for detecting values of a space-time block code using selective decision-feedback detection Jan. 10, 2012
8094756 Portable communications device with demodulation correction and related methods Jan. 10, 2012
8094753 Device for estimating symbol timing or frequency offset with reliability of demodulated signal determined Jan. 10, 2012
8094701 Channel estimation for high data rate transmission using multiple control channels Jan. 10, 2012
8094697 Method and device for the demodulation of satellite radio navigation signals Jan. 10, 2012
8090333 Receiving apparatus, receiving method, and program Jan. 3, 2012

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