Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2000
05/18/2000WO2000028687A1 Ofdm transmitting/receiving device and method
05/18/2000WO2000008870A3 Apparatus and method of linearizing a power amplifier in a mobile radio communication system
05/17/2000EP1001580A1 Demodulator for differential phase shift keying signal using a maximum likelihood sequence estimator
05/17/2000EP1001566A1 Ofdma signal transmitting apparatus and method
05/17/2000EP1001560A1 Synchronisation in a CDMA telecommunications system
05/17/2000EP1001543A1 Sequential decoder, and receiver using sequential decoder
05/17/2000EP1000493A2 Device for the rapid digital generation of a digital signal with predeterminable phase angle using a reference carrier signal
05/17/2000EP1000492A2 Method and device for the rapid synchronization of two carrier signals
05/17/2000EP1000491A1 Biphase modulator with balun design
05/17/2000EP1000467A1 Apparatus and method for modulation /demodulation with consecutive minimum runlength limitation
05/17/2000CN2378884Y Single-cycle multiplex amplitude control modulator-demodulator unit
05/17/2000CN2378883Y Radio frequency data modulator-demodulator unit
05/17/2000CN1253443A Phase shift keyed demodulator and demodulation method using periodic width windowing technology
05/16/2000US6064867 Receiving apparatus with automatic frequency controlling
05/16/2000US6064702 Four-stage phase demodulation low frequency wireless mouse device
05/16/2000US6064701 Synchronization-based communication systems
05/16/2000US6064697 Pulse modulating method, pulse modulating equipment and pulse demodulating equipment
05/16/2000US6064692 Protocol for transceiver initialization
05/16/2000US6064255 Pulse counting FM demodulator
05/16/2000CA2254307A1 Method and apparatus for interference cancellation in a high-speed modem
05/16/2000CA2152107C Receiver and transmitter-receiver
05/16/2000CA2143074C A .pi./4-dqpsk delay spread detection and compensation apparatus and method
05/11/2000WO2000027111A1 Digital broadcast receiving system
05/11/2000WO2000027110A1 Ntsc interference rejection filter
05/11/2000WO2000027085A1 Fractional-bit transmission using multiplexed constellations
05/11/2000WO2000027083A1 Equalization method especially for offset modulation modes
05/11/2000WO2000027079A1 Internet gigabit ethernet transmitter architecture
05/11/2000WO2000027066A2 Dual mode qam/vsb receiver
05/11/2000WO2000027061A1 Communication device and method
05/11/2000WO2000013382B1 Feher keying (fk) modulation and transceivers including clock shaping processors
05/11/2000DE19851093A1 Verfahren zur meßtechnischen Auswertung von Multiträger-Signalen Procedures for the metrological evaluation of multi-carrier signals
05/11/2000CA2347747A1 Equalization method especially for offset modulation modes
05/11/2000CA2309208A1 Communication system and communication method
05/10/2000EP0999676A2 Symbol synchronisation for multicarrier signals
05/10/2000EP0999648A2 Data rate matching method
05/10/2000EP0998823A2 Adaptive digital predistortion apparatus for linearizing a power amplifier for digital broadcasting
05/10/2000EP0998820A1 Television signal data transmission system
05/10/2000EP0998789A2 Channel encoding/decoding device and method
05/10/2000EP0998785A1 Adaptively equalized burst receiver and method for upstream broadband data
05/10/2000EP0998783A1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal
05/10/2000CN1252878A Data carrier for contactless reception of data and energy and method for operating the same
05/09/2000US6061408 Method and apparatus for 45° phase ambiguity resolution for one coded bit per symbol 8PSK modulation
05/09/2000US6061407 Transmission method and apparatus employing trellis-augmented precoding
05/09/2000US6061405 Time domain source matched multicarrier quadrature amplitude modulation (QAM) method and apparatus
05/09/2000US6061394 Digital communication system modulated signal generation apparatus incorporating fading simulator
05/09/2000US6061390 P-code enhanced method for processing encrypted GPS signals without knowledge of the encryption code
05/09/2000US6061385 Method and a circuit arrangement for signal processing in a telecommunication system
05/09/2000US6061359 Increased-capacity, packet spread-spectrum system and method
05/09/2000US6061327 Device and method for vector equalization of an OFDM signal
05/09/2000US6061326 Wideband communication system for the home
05/04/2000WO2000025495A1 Method and apparatus for reducing distortion of digital data
05/04/2000WO2000025494A1 Method and system for adjusting spurious lines of an output frequency spectrum in a sideband frequency translating device
05/04/2000WO2000025492A1 Channel allocation method and device for coded and combined information sets
05/04/2000WO2000025491A1 Reduction of the crest factor in ofdm signal
05/04/2000WO2000025471A1 Method for displaying the modulation error of a multiple carrier signal
05/04/2000WO2000025446A1 Method for processing ofdm signals simultaneously received via a multiple antenna system
05/04/2000WO2000025442A1 Channel estimation in a cellular communication system
05/04/2000WO2000025419A1 Frequency-stabilized receiver/transmitter circuit arrangement
05/04/2000WO2000019673A8 Vsb receiver
05/04/2000DE19850642A1 Crest-factor reduction method for signals e.g. in ADSL products
05/04/2000DE19842712C1 Correlation error correction procedure for signal demodulator, involves computing difference between primary and secondary phase values of spreading signals, to compute phase value of local signal
05/03/2000EP0998134A2 Receiver and receiving-decoding method
05/03/2000EP0998088A2 Modulation with separate stages for phase and amplitude modulation
05/03/2000EP0998087A1 Multilevel transmission system and method with adaptive mapping
05/03/2000EP0998086A2 Carrier and symbol synchronisation for multicarrier signals
05/03/2000EP0998085A1 Frequency correction in an OFDM (orthogonal frequency division multiplex) receiver
05/03/2000EP0998084A2 Phase-shift-keying demodulator and demodulation method using a period-width windowing technique
05/03/2000EP0998083A1 Equalisation method, particularly for offset modulation types
05/03/2000EP0998071A2 Adaptive modulation method
05/03/2000EP0998069A2 Communication method and apparatus using a variable modulation scheme
05/03/2000EP0998068A1 Method and apparatus for signal reception, and medium
05/03/2000EP0998055A2 Improvements in or relating to power control in wideband code division multiple acces
05/03/2000EP0998049A2 FM multiplex decoder circuit
05/03/2000EP0998024A2 Modulator structure for a transmitter and a mobile station
05/03/2000EP0996929A1 Method and system for voice transmission of a binary data sequence from a piezoelectric transducer
05/03/2000EP0996889A1 A frame format and frame assembling/disassembling method for the frame format
05/03/2000CN1252203A Predictive coding method and decoding method for dynamic image
05/03/2000CN1252196A System for transmitting high-speed added-value services in terrestrial digital broadcasting
05/03/2000CN1252195A System and method for spectrally shaping transmitted data signals
05/03/2000CN1252183A N-port direct receiver
05/03/2000CN1251957A Method and apparatus for bidirectional data exchange on low and middle voltage power lines
05/03/2000CN1052135C Apparatus and method for use in equipment providing digital radio link
05/02/2000US6058291 Methods and apparatus for carrier suppression in a radio modulator
05/02/2000US6058172 Telephone with novel FSK decoding means, simultaneous off-hook caller ID reception means, and set of configurable function key means
05/02/2000US6058150 Method and apparatus for combined timing recovery, frame synchronization and frequency offset correction in a receiver
05/02/2000US6058147 Intelligent carrier acquisition method for satellite communications
05/02/2000US6058146 Receiver employing coded modulation
05/02/2000US6058145 Method of demodulating a multi-frequency quadrature modulated signal
05/02/2000US6058121 Fine FFT window position recovery apparatus of an OFDM system receiver
05/02/2000US6058118 Method for the dynamic reconfiguration of a time-interleaved signal, with corresponding receiver and signal
05/02/2000US6058101 Synchronization method and system for a digital receiver
05/02/2000US6057730 Digital demodulator
05/02/2000CA2191098C Multiple access up converter/modulator and method
05/02/2000CA2178198C Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
04/2000
04/29/2000CA2284138A1 Phase-shift-keying demodulator and demodulation method using a period-width windowing technique
04/28/2000CA2287609A1 Communication method and apparatus
04/27/2000WO2000024173A2 Apparatus and method for determining the closest coset points in a trellis decoder
04/27/2000WO2000024170A1 Method and apparatus of providing adaptive equalization using sign permutation filtering
04/27/2000WO2000024169A1 Digital variable symbol rate modulation
04/27/2000WO2000024122A1 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter