Patents for H04L 27 - Modulated-carrier systems (89,721)
04/2002
04/10/2002EP0748538B1 Interleaving with low-speed memory
04/10/2002EP0740868B1 Method and arrangement for synchronization in ofdm modulation
04/10/2002EP0712555B1 Method and apparatus for synchronization in digital transmission systems of the ofdm type
04/10/2002CN1344452A Communication blocking device and communication blocking method
04/10/2002CN1344073A Clock signal regenerating and receiving device and clock signal regenerating and receiving method
04/10/2002CN1082750C Automatic tuning of radio transceiver
04/09/2002US6370372 Subharmonic mixer circuit and method
04/09/2002US6370210 Circuitry for generating a gain control signal applied to an AGC amplifier and method thereof
04/09/2002US6370208 Correlator for CDMA applications
04/09/2002US6370206 Adaptive cap receiver and method for controlling a cap receiver
04/09/2002US6370205 Method and apparatus for performing DC-offset compensation in a radio receiver
04/09/2002US6370204 Method and apparatus for performing digital fractional minimum shift key modulation for a very small aperture terminal
04/09/2002US6370188 Phase and frequency offset compensation in a telecommunications receiver
04/09/2002US6370187 Adaptive power dissipation for data communications system
04/09/2002US6370182 Integrated beamforming/rake/mud CDMA receiver architecture
04/09/2002US6370156 Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation
04/09/2002US6369758 Adaptive antenna array for mobile communication
04/09/2002US6369651 Bidirectional direct current power conversion circuits and methods
04/09/2002US6369650 Impedance synthesis and DC biasing method and architecture for DSL/cable line drivers
04/09/2002US6369633 Quadrature signal generation system
04/04/2002WO2002028126A1 Method and apparatuses of 8psk modulation
04/04/2002WO2002028046A2 Residual phase error reduction in ofdm
04/04/2002WO2002028045A1 Modulation method for a multi-carrier process with pre-emphasis
04/04/2002WO2002028044A2 Intervote modulator
04/04/2002WO2002028042A2 System and method for layer 2 frame delineation recovery
04/04/2002WO2002028041A2 Method for reducing the peak-to-average power ratio of a modulated signal
04/04/2002WO2002028039A1 Method for transmitting a high-frequency binary data stream via an electrically isolated communications path
04/04/2002WO2002027954A1 Subharmonic mixer circuit and method
04/04/2002WO2002026981A2 Human protease inhibitor proteins and polynucleotides encoding the same
04/04/2002WO2002026018A2 Robust signaling techniques in multicarrier systems
04/04/2002WO2002007303A8 Phase and amplitude digital modulation circuit and method
04/04/2002WO2002001788A3 Dual bit error rate estimation in a qam demodulator
04/04/2002WO2002001749A3 Ofdm antenna diversity receiver
04/04/2002WO2001099293A3 System and method for peak power reduction in multiple carrier communications systems
04/04/2002WO2001091476A3 A diversity transmitter based on linear transform processing of transmitted information
04/04/2002WO2001086821A3 Improved error floor turbo codes
04/04/2002WO2001074019A3 Regulation of the peak power of a multicarrier signal
04/04/2002US20020039894 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer
04/04/2002US20020039887 Device for the analysis of electromagnetic signals
04/04/2002US20020039398 Apparatus and method for dynamic bit allocation for line-connected multi-carrier systems
04/04/2002US20020039392 Multimodule device with static behavior
04/04/2002US20020039391 Cellular communications system receivers
04/04/2002US20020039389 Technique for communicating digitally modulated signals over an amplitude-modulation frequency band
04/04/2002US20020039388 High data-rate powerline network system and method
04/04/2002US20020039383 Methods and apparatus for reducing signal degradation
04/04/2002US20020039382 Processing for improved performance and reduced pilot
04/04/2002US20020039347 Communication device having delay information calculating function
04/04/2002US20020039151 NTSC interference rejection filter
04/04/2002US20020039053 High-speed power-efficient coded M-ary FSK modulator
04/04/2002US20020039052 Quadrature oscillator with phase error correction
04/04/2002US20020039048 Feedforward type linearizer
04/04/2002DE10046575A1 Verfahren zur Frequenzakquisition, insbesondere zur Initialfrequenzakquisition, einer mobilen Kommunikationseinrichtung A method for frequency acquisition, especially for initial frequency acquisition, a mobile communication device
04/04/2002DE10045547A1 Verfahren zur systemunabhängigen digitalen Erzeugung von Mobilkommunikations-Sendesignalen verschiedener Mobilfunkstandards Process for system-independent digital generation of mobile communication transmission signals of different mobile radio standards
04/04/2002DE10045546A1 Verfahren zur systemunabhängigen digitalen Auswertung von Mobilkommunikations-Empfangssignalen verschiedener Mobilfunkstandards Process for system-independent digital evaluation of mobile communication receiving signals from different mobile standards
04/04/2002DE10044456A1 Empfängerschaltung, innsbesondere für den Mobilfunk A receiver circuit, for mobile innsbesondere
04/04/2002DE10044227A1 Verfahren zum Codieren und Decodieren eines Informationssymbols A method of encoding and decoding an information symbol
04/04/2002DE10043742A1 Verbesserte Kanalentzerrung für Mobilfunkempfänger Improved channel equalization for mobile receivers
04/04/2002CA2423961A1 System and method for layer 2 frame delineation recovery
04/03/2002EP1193936A2 Combination of shaping and turbo codes
04/03/2002EP1193935A2 Reception of AM-MSK signals
04/03/2002EP1193934A2 Frequency offset correction in multicarrier receivers
04/03/2002EP1193933A2 Symbol-timing synchronization in multicarrier receivers
04/03/2002EP1193930A1 Sequence for channel estimation and method for estimating a transmission channel which uses such a sequence for channel estimation
04/03/2002EP1193868A2 Variable gain amplifier device
04/03/2002EP1193860A2 Feedforward type linearizer
04/03/2002EP1193858A2 Tuner
04/03/2002EP1193857A2 DC error correction for direct conversion receiver
04/03/2002EP1192794A1 Method and apparatus for combining voice line card and xdsl line card functions
04/03/2002EP1192776A1 Reflecting modulator circuit comprising a negative impedance amplifier
04/03/2002EP1192775A1 Training of equalisers, for use with signals of differing data rates
04/03/2002EP1192745A1 Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system
04/03/2002EP1192729A2 Pure delay estimation
04/03/2002EP1192723A1 Programmable digital intermediate frequency transceiver
04/03/2002EP1192709A1 Device and method for demodulating frequency-modulated signals
04/03/2002EP0654191B1 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals
04/03/2002CN1343409A Digital broadcast receiver
04/03/2002CN1343408A Signal format in multi-carrier CDMA transmission system
04/03/2002CN1343049A Frequency regulation circuit in CDMA communication system
04/03/2002CN1082301C Digital radio transmission-reception apparatus
04/03/2002CN1082280C Communication apparatus
04/02/2002US6366765 Receiver
04/02/2002US6366625 Control information assigning method, control method, transmitting method, receiving method, transmitter and receiver
04/02/2002US6366624 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
04/02/2002US6366621 Method of estimating pilot signal phase in a digitally modulated RF signal
04/02/2002US6366619 Constrained-envelope transmitter and method therefor
04/02/2002US6366607 Processing for improved performance and reduced pilot
04/02/2002US6366600 Spreader architecture for direct sequence spread spectrum communications
04/02/2002US6366585 Distributed control in a communication system
04/02/2002US6366574 Method and device for recovering synchronization on a signal transmitted to a mobile-telephone receiver
04/02/2002US6366555 Method and device for controlling signal clipping in a discrete multi-tone communications system
04/02/2002US6366554 Multi-carrier transmission systems
04/02/2002US6366326 System for acquiring, processing, and storing video data and program guides transmitted in different coding formats
04/02/2002US6366177 High-efficiency power modulators
04/02/2002CA2266945C High speed encoder and encoding method
04/02/2002CA2266904C High speed decoder and decoding method
04/02/2002CA2252664C Method and apparatus for data transmission using multiple transmit antennas
03/2002
03/28/2002WO2002025887A1 Wireless transmission device and transmission signal mapping method
03/28/2002WO2002025885A2 Overhead transmission for adsl modems
03/28/2002WO2002025884A1 Distributed pilot multicarrier signal designed to limit interference affecting said pilots
03/28/2002WO2002025883A1 Reference symbol multicarrier signal designed for limiting intersymbol interference