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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 1,675
375/342 Locating predetermined portion of pulse 410
375/341 Maximum likelihood decoder or viterbi decoder 1,974


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
7720454 Extremely low IF architecture for in-band on-channel (IBOC) radio May. 18, 2010
7720170 Low emission signal generator and distributor system May. 18, 2010
7715802 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer May. 11, 2010
7715503 Parallel concatenated code with soft-in soft-out interactive turbo decoder May. 11, 2010
7715502 Digital low-power CMOS pulse generator for ultra-wideband systems May. 11, 2010
7715501 Partial response receiver May. 11, 2010
7715486 Method and device for estimating the transfer function of the transmission channel for a COFDM demodulator May. 11, 2010
7714760 Apparatus and methods for direct quadrature sampling May. 11, 2010
7711033 SIR prediction method and apparatus May. 4, 2010
7706483 Carrier phase ambiguity correction Apr. 27, 2010
7706481 Method and system for improving reception in wired and wireless receivers through redundancy and iterative processing Apr. 27, 2010
7706480 Partial response receiver Apr. 27, 2010
7706479 OFDM receiver Apr. 27, 2010
7706478 Method and apparatus of source separation Apr. 27, 2010
7706477 Advanced multi-sensor processing Apr. 27, 2010
7706426 Method for estimating one or more parameters of a ultra wideband signal and a receiver system for receiving ultra wideband signals Apr. 27, 2010
7702991 Method and apparatus for reduced-state viterbi detection in a read channel of a magnetic recording system Apr. 20, 2010
7702049 Signal conversion apparatus, systems, and methods Apr. 20, 2010
7702044 Radar detection and dynamic frequency selection Apr. 20, 2010
7702043 AM data recovery circuit Apr. 20, 2010
7702042 Arrangement and method for iterative channel impulse response estimation Apr. 20, 2010
7702039 Radio receiver for receiving digital radio signals and method for receiving digital radio signals Apr. 20, 2010
7702036 Data sequence detection in communication system Apr. 20, 2010
7702026 Efficient optimal ML detector Apr. 20, 2010
7697644 Stepped automatic gain control for OFDM systems Apr. 13, 2010
7697641 Parallel DSP demodulation for wideband software-defined radios Apr. 13, 2010
7697640 Method for adaptive bit recovery Apr. 13, 2010
7697628 Data signal transmission devices and methods for ternary-line differential signaling Apr. 13, 2010
7697619 Training sequence for channel estimation in a data transmission system Apr. 13, 2010
7697618 Multiplexing scheme for an orthogonal frequency division multiplexing system Apr. 13, 2010
7697616 Method of modulation and demodulation of a digital signal, in a frequency band affected by flat fading, associated modulator and demodulator Apr. 13, 2010
7693238 Method and system for V-BLAST detection with near maximum likelihood performance and low complexity Apr. 6, 2010
7688902 Joint space-time block decoding and viterbi decoding Mar. 30, 2010
7688878 Method and device of peak detection in preamble synchronization for direct sequence spread spectrum communication Mar. 30, 2010
7684522 Method and system for determining a log-likelihood ratio (LLR) corresponding to each bit of a symbol Mar. 23, 2010
7684521 Apparatus and method for hybrid decoding Mar. 23, 2010
7684517 Reducing power consumption in signal detection Mar. 23, 2010
7684516 Method and apparatus for improving signal reception in a receiver Mar. 23, 2010
7684515 Radio receiver, system on a chip integrated circuit and methods for use therewith Mar. 23, 2010
7684482 Single wire communication circuits and methods Mar. 23, 2010
7684466 Wired spread spectrum communication device, a method for communication thereof, and a wired spread spectrum communication system Mar. 23, 2010
7680459 FM transmission system and method Mar. 16, 2010
7680218 Method and apparatus for communication channel estimation Mar. 16, 2010
7679560 Method and apparatus for adaptive direction estimation of radio waves Mar. 16, 2010
7676197 Signal spectrum steering method, apparatus, and system Mar. 9, 2010
7676003 Carrier frequency-independent receiver Mar. 9, 2010
7676002 Blind detection method and apparatus, and mobile communication receiver having the same Mar. 9, 2010
7676001 MLD demapping using sub-metrics for soft-output MIMO detection and the like Mar. 9, 2010
7676000 Systems and methods for an adaptive rake receiver Mar. 9, 2010
7675986 Method for reducing peak-to-average power ratios in a multi-carrier transmission system Mar. 9, 2010

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