Patents
Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890)
01/2006
01/12/2006US20060008033 Demodulation of a frequency-modulated received signal by mapping the zero crossings to a sequence of parameter values
01/10/2006US6985542 Coherent processing of satellite signals to locate a mobile unit
01/10/2006US6985540 AM demodulator
01/10/2006US6985521 Method and apparatus for channel estimation for X-DSL communications
01/10/2006US6985013 Voltage to current converter
01/05/2006US20060002497 Phase adjustment method and circuit for dll-based serial data link transceivers
01/04/2006EP1612968A2 Reduced bitstream candidate based receiver and received signal processing method
01/04/2006CN1717862A Activation signal output circuit and determining circuit
01/04/2006CN1716931A Equalizer capable of adjusting step size and equalization method thereof
12/2005
12/29/2005WO2005125136A1 Orthogonal frequency division multiplexing receiver
12/29/2005WO2005125135A2 Method of inverting nearly toeplitz or block toeplitz matrices
12/29/2005US20050286664 Data-driven method and apparatus for real-time mixing of multichannel signals in a media server
12/29/2005US20050286659 Reduced bitstream candidate based receiver and received signal processing method
12/29/2005US20050286657 Apparatus and method for hybrid decoding
12/29/2005US20050286625 Equalizer capable of adjusting step size and equalization method thereof
12/28/2005CA2510914A1 Equalizer capable of ajdusting step size and equalization method thereof
12/27/2005US6980613 Ultra-wideband correlating receiver
12/27/2005US6980609 Matched filter, filtering method and digital broadcast receiver using the same
12/22/2005WO2005011106A3 A low-power wide dynamic range envelope detector system and method
12/20/2005US6977977 Compensation of I/Q gain mismatch in a communications receiver
12/20/2005US6977974 De-modulation of MOK(M-ary orthogonal modulation)
12/20/2005US6977513 Current detection circuit of bidirectional switch
12/15/2005WO2005099407A3 Apparatus for and method of developing equalized values from samples of a signal received from a channel
12/15/2005US20050278609 Apparatus and method for erasure detection and soft-decision decoding in cellular system receiver
12/15/2005US20050276356 Method of inverting nearly Toeplitz or block Toeplitz matrices
12/15/2005US20050276348 Method and apparatus for multi-user transmission
12/14/2005CN1232085C Circuit arrangement for demodulating voltage that is (ask)-inodulated by change of amplitude between low and high level
12/08/2005WO2005117252A2 Digital noise coupling reduction and variable intermediate frequency generation in mixed signal circuits
12/08/2005WO2005101656B1 Apparatus for and method of controlling the operation of an equalizer
12/08/2005US20050271166 Low-complexity, symbol-based, reduced substreams maximum likelihood decoder and method for a multiple-input, multiple-output communication system
12/08/2005US20050271165 De-modulation of MOK (M-ary orthogonal modulation)
12/01/2005US20050265495 M-ary-modulation-capable equalizing processing apparatus, received signal processing system, receiver and M-ary-modulation-capable equalizing processing method
12/01/2005US20050265483 Digital noise coupling reduction and variable intermediate frequency generation in mixed signal circuits
12/01/2005US20050265465 MIMO decoding
11/2005
11/30/2005CN1703032A Adaptive channel estimation method and system using decision feedback
11/29/2005US6970522 Data retrieval
11/24/2005WO2005112250A2 File download and streaming system
11/24/2005US20050259770 Adaptive channel estimation using decision feedback
11/24/2005US20050259760 Method and apparatus for excision of narrowband interference signals in navigation or communication bands
11/23/2005EP1597820A2 Coherent am demodulator using a weighted lsb/usb sum for interference mitigation
11/22/2005US6968021 Synchronization method and apparatus for modems based on jointly iterative turbo demodulation and decoding
11/22/2005US6967525 Tail current generator circuit for bipolar/MOS differential pair to set precise transconductance
11/17/2005WO2005109628A1 A tuneable circuit for canceling third order modulation
11/17/2005US20050257106 File download and streaming system
11/17/2005US20050254606 Cyclic trellis coded modulation
11/17/2005US20050254589 Channel estimation device, channel estimation method, and wireless receiver
11/17/2005US20050254572 Architecture for feedback loops in decision feedback equalizers
11/17/2005US20050254571 Decision feedback equalizer design with interference removal and reduced error propagation
11/17/2005US20050253688 Radio communication system, radio communication device, and radio communication method
11/17/2005US20050253628 Current-voltage conversion circuit
11/17/2005CA2677967A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
11/17/2005CA2677963A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
11/17/2005CA2566491A1 A tuneable circuit for canceling third order modulation
11/16/2005EP1596548A2 Channel estimation device, channel estimation method, and wireless receiver
11/16/2005EP1596320A2 Radio communication system, device and method
11/16/2005CN1697435A Radio communication system, device and method
11/16/2005CN1697429A Channel estimation device, channel estimation method, and wireless receiver
11/16/2005CN1227809C Method for comparison of amplitudes of two electric signals
11/16/2005CN1227807C Image frequency interference rejection
11/15/2005US6965657 Method and apparatus for interference cancellation in shared communication mediums
11/15/2005US6965652 Address generator for LDPC encoder and decoder and method thereof
11/15/2005US6965651 Method and apparatus for delay adjustment and channel reordering in baseband communication receiving system
11/10/2005WO2005035436A3 Mems device annealing by laser
11/10/2005WO2005034502A3 Approximator apparatus, and associated method for approximating an n-dimensional euclidean norm
11/10/2005US20050249301 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
11/10/2005US20050248372 Voltage current conversion device and light emitting device
11/03/2005WO2005104388A2 System for synchronizing a portable transceiver to a network
11/02/2005CN1691527A Direct conversion receiver
11/01/2005US6961393 In-band-on-channel (IBOC) system and methods of operation using orthogonal frequency division multiplexing (OFDM) with timing and frequency offset correction
10/2005
10/27/2005WO2005101778A1 Apparatus for and method of controlling a sampling frequency of a sampling device
10/27/2005WO2005101777A1 Apparatus for and method of controlling a digital demodulator coupled to an equalizer
10/27/2005WO2005101656A1 Apparatus for and method of controlling the operation of an equalizer
10/27/2005WO2005101655A1 Advanced digital receiver
10/27/2005WO2005101654A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005WO2005101653A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005WO2005101652A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005WO2005099407A2 Apparatus for and method of developing equalized values from samples of a signal received from a channel
10/27/2005WO2005099399A2 Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
10/27/2005US20050237087 Low voltage current monitoring circuit
10/27/2005CA2560785A1 Advanced digital receiver
10/27/2005CA2560737A1 Apparatus for and method of controlling the operation of an equalizer
10/27/2005CA2560736A1 Apparatus for and method of controlling a digital demodulator coupled to an equalizer
10/27/2005CA2560735A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005CA2560734A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005CA2560733A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005CA2560729A1 Apparatus for and method of developing equalized values from samples of a signal received from a channel
10/27/2005CA2560728A1 Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
10/27/2005CA2560540A1 Apparatus for and method of controlling a sampling frequency of a sampling device
10/18/2005US6956917 Method and apparatus for reducing interference in an optical data stream using data-independent equalization
10/18/2005US6956911 Receiver
10/13/2005WO2005094198A2 Method and circuit for adaptive equalization of multiple signals in response to a control signal generated from one of the equilized signals
10/13/2005US20050229053 Circuit and method for low frequency testing of high frequency signal waveforms
10/13/2005US20050227630 System for synchronizing a portable transceiver to a network
10/12/2005EP1584142A2 Method and apparatus for compressing header information for short data burst messaging
10/06/2005US20050220222 Device and method for detecting a useful signal by detecting a periodic signal contained in the useful signal
10/06/2005US20050220198 Apparatus and method of controlling a physical layer of a communication device
10/05/2005EP0937339B1 Calibration of n-port receiver
10/04/2005US6952458 Demapping system and method
09/2005
09/29/2005WO2005091492A1 Method and system of reducing collisions in an asynchronous communication system
09/29/2005US20050213692 Impulse noise reduction to an MCM signal
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