| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/02/2002 | EP1168743A2 Carrier recovery using pilot symbols |
| 01/02/2002 | EP1168742A1 Modulation identification device |
| 01/02/2002 | EP1168740A2 Line driver with adaptive impedance |
| 01/02/2002 | EP1168739A1 Method and apparatus for estimating the impulse response of a transmission channel, in particular for a cellular mobile telephone |
| 01/02/2002 | EP1168698A1 Communication blocking device and communication blocking method |
| 01/02/2002 | EP1168670A2 Downlink beam hopping waveform |
| 01/02/2002 | EP1168648A2 Radio communications apparatus |
| 01/02/2002 | EP1168645A2 Transmitter-receiver circuit |
| 01/02/2002 | EP1168641A2 A multi-carrier receiver including an analog-to-digital converter for a wireless telecommunication system |
| 01/02/2002 | EP1168633A2 Method and apparatus for decoding block codes |
| 01/02/2002 | EP1168617A2 Closed loop frequency control |
| 01/02/2002 | EP1168616A2 Automatic gain-controlled VHF/UHF antenna tuning apparatus |
| 01/02/2002 | EP1168601A2 Adaptive distortion-compensation apparatus |
| 01/02/2002 | EP1166519A1 Correction of nonlinearity of i/q modulator |
| 01/02/2002 | EP1166518A1 Correction of phase and amplitude imbalance of i/q modulator |
| 01/02/2002 | EP1166517A1 Multicarrier transmission system with interference detection and removal |
| 01/02/2002 | EP1166516A2 Method for synchronisation |
| 01/02/2002 | EP1166515A1 Correction of dc-offset of i/q modulator |
| 01/02/2002 | EP1166514A1 Method and receiver for receiving and decoding signals modulated with different modulation methods |
| 01/02/2002 | EP1166512A1 Adaptive filter equalisation techniques |
| 01/02/2002 | EP1166456A1 Reduction of peak-to-average power ratio in a mobile telecommunications system |
| 01/02/2002 | EP1166452A1 Method of receiving information |
| 01/02/2002 | EP1166447A1 Method and apparatus for reducing oscillator noise by noise-feedforward |
| 01/02/2002 | EP1166433A1 Signal processing |
| 01/02/2002 | EP0972370B1 Method and transmitter device for transmitting data symbols from user signals via a radio interface or a mobile communication system |
| 01/02/2002 | EP0857388A4 Broadband, low power fm/fsk transceiver for wireless communications systems |
| 01/02/2002 | EP0808532A4 Frequency hopped return link with net entry channel for a satellite personal communications system |
| 01/02/2002 | CN1329789A Channel estimator with variable number of taps |
| 01/02/2002 | CN1329786A Synchronization tracking method |
| 01/02/2002 | CN1329782A Method for transmitting information and suitable system therefor |
| 01/02/2002 | CN1329425A Closed ring frenquency control |
| 01/02/2002 | CN1329406A Orthogonal frequency division multiplex modem circuit |
| 01/02/2002 | CN1329394A Transmitter and method for producing transmission signal |
| 01/02/2002 | CN1077378C Phase correction circuit and method therefor |
| 01/02/2002 | CN1077357C Radio communiation system |
| 01/01/2002 | US6336201 Synchronization in a communications system with multicarrier telephony transport |
| 01/01/2002 | US6335951 Programmable waveform generator for a global positioning system |
| 01/01/2002 | US6335946 Method and a device for broadband transmission |
| 01/01/2002 | US6335767 Broadcast transmission system with distributed correction |
| 01/01/2002 | US6335766 System and method for transmitting advanced television signals |
| 12/28/2001 | CA2351599A1 Parallel punctured convolutional encoder |
| 12/27/2001 | WO2001099439A2 Adaptive equalisation, in particular for linc processing |
| 12/27/2001 | WO2001099368A1 Method and system for transmission and reception of an information signal using quadrature amplitude modulation |
| 12/27/2001 | WO2001099367A1 Adaptive modulation communication system |
| 12/27/2001 | WO2001099365A1 System and method for high data rate transmission |
| 12/27/2001 | WO2001099364A1 System and method high data rate transmission |
| 12/27/2001 | WO2001099363A1 Demodulator for cpfsk-modulated signals by use of a linear approximation to the cpfsk signal |
| 12/27/2001 | WO2001099362A2 Sliding-window processing for the reception of multicarrier signals |
| 12/27/2001 | WO2001099327A1 Error detection and correction method and apparatus |
| 12/27/2001 | WO2001099305A2 Ultra wide band transmitter |
| 12/27/2001 | WO2001099293A2 System and method for peak power reduction in multiple carrier communications systems |
| 12/27/2001 | WO2001099279A1 Signal peak reduction circuit for non-constant envelope modulation signals |
| 12/27/2001 | WO2001098618A2 Burst qam downhole telemetry system |
| 12/27/2001 | WO2001052492A3 Circuit for generating a quadrature amplitude modulated transmit signal, which can be created at a low circuit cost |
| 12/27/2001 | WO2001047201A3 Method for transmitting data from an interrogating device to portable objects |
| 12/27/2001 | WO2001047170A3 Method and apparatus for characterization of disturbers in communication systems |
| 12/27/2001 | WO2001047131A3 Method and circuit for transmitting a data-modulated high-frequency data signal from a transmitter to a receiver having a simplified receiver architecture |
| 12/27/2001 | WO2001043275A3 Circuit configuration for direct modulation |
| 12/27/2001 | WO2001028121A3 Spread-spectrum modem with saw resonator and pulse shaping |
| 12/27/2001 | US20010055984 Wireless communications system, wireless microphone transmission apparatus, and wireless receiving apparatus |
| 12/27/2001 | US20010055957 Frequency-stabilized transceiver configuration |
| 12/27/2001 | US20010055353 Method and apparatus for amplitude and pulse modulation |
| 12/27/2001 | US20010055352 Process and system for information transfer |
| 12/27/2001 | US20010055350 AGC method and circuit for digtial radio receiver |
| 12/27/2001 | US20010055349 Clock recovery circuit |
| 12/27/2001 | US20010055348 Sequential quadrant demodulation of digitally modulated radio signals |
| 12/27/2001 | US20010055347 Transmitter device having a modulation closed loop |
| 12/27/2001 | US20010055345 Digital modulation type signal transmission apparatus and method of displaying received signal in the signal transmission apparatus |
| 12/27/2001 | US20010055342 Mapping arrangement for digital communication system |
| 12/27/2001 | US20010055333 Method and system for configuring an air interface in a modem |
| 12/27/2001 | US20010055332 Method and apparatus for minimizing near end cross talk due to discrete multi-tone transmission in cable binders |
| 12/27/2001 | US20010055320 Multiplex communication |
| 12/27/2001 | US20010055296 Receiving apparatus for signal transmission system of orthogonal frequency division multiplexing type |
| 12/27/2001 | US20010055295 Signal transmission/reception system of orthogonal frequency division multiplexing |
| 12/27/2001 | US20010055287 Communication system and device under OFDM system |
| 12/27/2001 | US20010055271 Reception apparatus |
| 12/27/2001 | US20010054931 Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 12/27/2001 | CA2382170A1 Adaptive modulation communication system |
| 12/26/2001 | CN1328738A 解调器 Demodulator |
| 12/26/2001 | CN1328737A Adaptive channel characterization using decoded symbols |
| 12/26/2001 | CN1328388A Direct converting receiver and radio receiver-transmitter |
| 12/26/2001 | CN1076924C Fir filter apparatus for processing of time division multiplexed signals |
| 12/26/2001 | CN1076905C 数字接收机 Digital Receiver |
| 12/26/2001 | CN1076903C Efficient linear power amplification |
| 12/25/2001 | US6334219 Channel selection for a hybrid fiber coax network |
| 12/25/2001 | US6334203 Error detecting method and device and signal demodulating method and device |
| 12/25/2001 | US6334051 Direct conversion receiver with wide band analog frequency conversion front end and digital demodulating and selecting back end |
| 12/25/2001 | US6333654 Variable power supply technique for use with a high efficiency line driver |
| 12/25/2001 | CA2284277C Software implementation of modem on computer |
| 12/25/2001 | CA2194394C Control symbol and data symbol guard intervals with different time lengths in cofdm transmission frames |
| 12/23/2001 | CA2351242A1 Subscriber loop range extension using negative-impedance repeaters |
| 12/21/2001 | CA2351035A1 Downlink beam hopping waveform |
| 12/20/2001 | WO2001097479A1 Method and apparatus for modulating a radio signal using digital amplitude and phase control signals |
| 12/20/2001 | WO2001097478A2 Frame synchronization in a multicarrier communication system |
| 12/20/2001 | WO2001097474A2 Adaptive precoding |
| 12/20/2001 | WO2001097420A2 Multiplexing digital communication system |
| 12/20/2001 | WO2001097416A2 Method and apparatus for reduction of interference in fm in-band on-channel digital audio broadcasting receivers |
| 12/20/2001 | WO2001069777A3 Assembly and method for compensating the offset of a mixer |
| 12/20/2001 | WO2001067617A3 Method and apparatus for computing soft decision input metrics to a turbo decoder |
| 12/20/2001 | WO2001039450A3 Method and apparatus for tracking the magnitude of a transmitted signal |