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