Patents for H04L 25 - Baseband systems (55,083)
06/2005
06/02/2005WO2004105334A3 Margin test methods and circuits
06/02/2005WO2004084466A3 Method and apparatus for sub sample-per-symbol demodulator for a spectrally efficient waveform with an lpi feature
06/02/2005WO2003034674A8 Receiver with adaptive detection threshold for tdma communications
06/02/2005US20050120097 Method and apparatus for providing an efficient control channel structure in a wireless communication system
06/02/2005US20050117916 Digital optical receiving module, and a method for monitoring the signal quality of a transmitted, modulated optical signal
06/02/2005US20050117677 Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration
06/02/2005US20050117672 Method and system for providing low power WLAN receiver
06/02/2005US20050117671 Electric circuit for decoding a two-phase asynchronous data signal and corresponding decoding method, device for controlling equipment
06/02/2005US20050117668 Decoder for decoding symmetric/asymmetric delay modulation signal and the method thereof
06/02/2005US20050117666 Method and apparatus for adapting threshold values in electronic signal processing devices
06/02/2005US20050117657 Channel noise estimating method and apparatus applied to a multi-carrier system
06/02/2005US20050117635 Phase-compensation decision feedback channel equalizer and digital broadcasting receiver using the same
06/02/2005US20050117532 Fourier-transform based linear equalization for CDMA downlink
06/02/2005US20050117517 Multichannel communications link receiver having parallel optical components
06/02/2005US20050116749 Low noise output buffer
06/02/2005US20050116745 Network transmitting unit with correction function
06/02/2005US20050116741 Asymmetric data path media access controller
06/02/2005US20050116735 Partial termination voltage current shunting
06/02/2005DE202005001929U1 Serial data transmission arrangement for vehicle, uses spread spectrum to increase electromagnetic compatibility
06/02/2005DE19922172B4 Verfahren und Vorrichtung zum Erkennen und Korrigieren von digitalen PCM-Codewörtern innerhalb eines übertragenen Datenstroms Method and apparatus for detecting and correcting digital PCM codewords within a transmitted data stream
06/02/2005DE10350336A1 Conversion method for transforming a quantized signal (QS) into a pulse-width modulated signal (PWMS) uses the QS value to determine each pulse duration within a period for the PWMS
06/02/2005DE10348818A1 Verfahren zur Regelung eines Schutzintervalls von Datenströmen in digitalen Funkübertragungseinrichtungen und Funkempfangsgerät hierzu Method for controlling a guard interval of data streams in digital radio transmission devices and broadcast receivers this
06/02/2005CA2545972A1 Method and apparatus for mobile radio velocity estimation
06/02/2005CA2545546A1 Coherent tracking for fm iboc receiver using a switch diversity antenna system
06/01/2005EP1536586A1 A receiver for mobile communications, and a corresponding network, comprising a space time block decoder and a channel estimator
06/01/2005EP1536581A1 Multi-carrier communication system and receiver thereof
06/01/2005EP1536566A1 Electronic circuit for decoding of an asynchronous biphase signal, corresponding method and corresponding control device.
06/01/2005EP1535439A1 Noise bqlqnced qam detection
06/01/2005EP1535436A2 A method and device for detecting the presence of a carrier signal transmitted in the reverse rf path
06/01/2005EP1535407A1 Non-parametric matched filter receiver for wireless communication systems
06/01/2005EP1535404A1 Channel estimation for communication systems
06/01/2005EP1129521B1 Fir filter structure with low latency for gigabit ethernet applications
06/01/2005EP0981882A4 Wireless atm metropolitan area network
06/01/2005EP0765548B1 A system and method for equalization of forward and reverse channels of a communication network
06/01/2005CN1623318A High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies
06/01/2005CN1623307A Modulation by multiple pulse per group keying and method of using the same
06/01/2005CN1623306A Modulation by phase and time shift keying and method of using the same
06/01/2005CN1623305A Transmission method which combines pulse position and phase modulation and allows more than one pulse to be active per time period
06/01/2005CN1623304A DC offset correction in a mobile communication system
06/01/2005CN1623293A High rate transmit diversity transmission and reception
06/01/2005CN1622623A Method and apparatus for searching next signal frame synchronous character in digital coding signal
06/01/2005CN1622606A Digital E8-VSB reception system and E8-VSB data demultiplexing method
06/01/2005CN1622539A Decision feedback and segment iteration based channel estimation method and implementing device thereof
06/01/2005CN1204707C Interference eliminating system and interference eliminating method
05/2005
05/31/2005US6901336 Method and apparatus for supplying power, and channeling analog measurement and communication signals over single pair of wires
05/31/2005US6901244 Training signal in a single carrier transmission
05/31/2005US6901127 Method and apparatus for data recovery
05/31/2005US6901121 Compensation of DC offset impairment in a communications receiver
05/31/2005US6901120 Method and apparatus for iterative parameter estimation
05/31/2005US6901112 Ultra wide bandwidth spread-spectrum communications system
05/31/2005US6901111 Interface circuit and method for digital signals
05/31/2005US6901108 Apparatus and method for adaptive control
05/31/2005US6901107 Systems, methods, and computer program products for generating a digital impairment learning signal having low energy content at direct current and Nyquist frequencies
05/31/2005US6900710 Ultrafast sampler with non-parallel shockline
05/31/2005US6900665 Transfer of digital data across asynchronous clock domains
05/26/2005WO2005048552A1 Methods and apparatuses for dc offset estimation in ofdm systems
05/26/2005WO2005048550A1 Data receiving apparatus, data transmitting apparatus, data transmitting/receiving apparatus, and data transmission system
05/26/2005WO2005048549A1 Pre-emphasis circuitry and methods
05/26/2005WO2005048548A2 Digital data receiver for edge cellular standard
05/26/2005WO2005048547A1 Tx line driver with common mode idle state and selectable slew rates
05/26/2005WO2005048546A2 Channel estimation by adaptive interpolation
05/26/2005WO2005048485A1 Space division multiplex wireless communication system, device and method for the same
05/26/2005WO2005048031A2 Method and apparatus for estimating and reporting the quality of a wireless communication channel
05/26/2005WO2005011144A3 Method and device for estimating a propagation channel of a multicarrier signal
05/26/2005US20050114428 Analog delay elements
05/26/2005US20050114427 Transmission apparatus with variable impedance matching
05/26/2005US20050113142 Temporal joint searcher and channel estimators
05/26/2005US20050113034 Line interface system
05/26/2005US20050113031 Systems and methods for a wireless network connection point locator
05/26/2005US20050111657 Weighted secret sharing and reconstructing method
05/26/2005US20050111604 Serial data communication system having plurality of data transmission paths
05/26/2005US20050111600 Orthogonal frequency division multiplexing (OFDM) receiver, OFDM receiving circuit and OFDM diversity reception method
05/26/2005US20050111594 Timing-error estimation in a digital modem
05/26/2005US20050111591 Method and device for estimating channel properties of a transmission channel
05/26/2005US20050111586 Digital E8-VSB reception system and E8-VSB data demultiplexing method
05/26/2005US20050111585 Partial response receiver
05/26/2005US20050111584 Device and method for control scaling and quantization of soft output values from an equalizer
05/26/2005US20050111574 Transmission device with digital predistortion, and method for regulating predistortion in a transmission device
05/26/2005US20050111572 Data transmission system and data transmission apparatus
05/26/2005US20050111570 Method for modulating UWB pulse sequences
05/26/2005US20050111569 Data code transmission device
05/26/2005US20050111567 Adaptive data transmitter having rewriteable non-volatile storage
05/26/2005US20050111559 Selection of pre-computed equalizer based on channel characteristic
05/26/2005US20050111540 Adaptive equalizer operating at a sampling rate asynchronous to the data rate
05/26/2005US20050111539 Equalization method and apparatus using the same
05/26/2005US20050111538 Method and apparatus for improving the quality of channel estimation algorithms using training sequences
05/26/2005US20050111536 Method for determining jitter of a signal in a serial link and high speed serial link
05/26/2005US20050111532 Physical coding sublayer for a multi-pair gigabit transceiver
05/26/2005US20050111525 Method and apparatus for estimating DC offset in an orthogonal frequency division multiplexing system
05/26/2005US20050111523 Method and system for channel estimation in WLAN
05/26/2005US20050111347 Transmitting device and receiving device
05/26/2005US20050110543 Digital signal transmission circuit and method of designing it
05/26/2005US20050110530 Differential output circuit
05/26/2005US20050110529 Current transfer logic
05/26/2005US20050110526 Disconnection and short detecting circuit that can detect disconnection and short of a signal line transmitting a differential clock signal
05/26/2005CA2544663A1 Method and apparatus for estimating and reporting the quality of a wireless communication channel
05/25/2005EP1533965A2 Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system
05/25/2005EP1533962A1 Method and arrangement for suppressing interferences in the useful frequency band of an analog output signal
05/25/2005EP1533961A2 OFDM reception apparatus
05/25/2005EP1533934A2 Method and device for predicting the noise contained in a received signal