Patents for H04L 27 - Modulated-carrier systems (89,721) |
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11/11/2004 | US20040224648 Efficiency of power amplifers in devices using transmit beamforming |
11/11/2004 | US20040223763 Passive optical network employing multi-carrier code division multiple access |
11/11/2004 | US20040223573 Frequency synthesis loop having controlled loop gain |
11/11/2004 | US20040223563 Process for the transmission of analog and digital information |
11/11/2004 | US20040223561 Methods for multi-user broadband wireless channel estimation |
11/11/2004 | US20040223559 Integrated data jitter generator for the testing of high-speed serial interfaces |
11/11/2004 | US20040223558 Gaussian minimum shift key transmitter with feedforward phase compensation |
11/11/2004 | US20040223557 Transmitter for transmitting a combined clock signal and a digital data signal modulated on a carrier wave |
11/11/2004 | US20040223556 Method and apparatus for transferring and receiving ultra wideband signals using differential phase shift keying scheme |
11/11/2004 | US20040223554 Orthogonal frequency division multiplexing (OFDM) receiver used in wireless local area network system and symbol timing synchronization method therefor |
11/11/2004 | US20040223553 Method and system for wireless audio transmission using low bit-weight words |
11/11/2004 | US20040223535 UWB transceiving apparatus and method for dynamically reducing interference |
11/11/2004 | US20040223511 Method and multi-carrier transceiver with stored application profiles for supporting multiple applications |
11/11/2004 | US20040223510 Method and multi-carrier transceiver supporting dynamic switching between active application sets |
11/11/2004 | US20040223449 Mode detection for OFDM signals |
11/11/2004 | US20040222849 Multiport amplifying apparatus using digital quadrature baseband hybrid circuit for each hybrid in input hybrid network |
11/11/2004 | CA2527633A1 A multi-modulation transmitting method |
11/10/2004 | EP1475935A2 UWB transmission using DPSK |
11/10/2004 | EP1475916A2 Adaptive UWB transmission |
11/10/2004 | EP1475915A2 Passive optical network employing multi-carrier code division multiple access |
11/10/2004 | EP1475897A1 UWB Apparatus |
11/10/2004 | EP1475896A2 Radio reception apparatus and reception filtering method |
11/10/2004 | EP1475887A2 Multiport amplifying apparatus using digital quadrature baseband hybrid circuit for each hybrid in input hybrid network |
11/10/2004 | EP1474902A2 Multi-standard transmitter and method for a wireless communicaiton system |
11/10/2004 | EP1474901A1 Gaussian fsk modulation with more then two modulation states |
11/10/2004 | EP1474877A1 Modular device for multiple reception of a modulated signal |
11/10/2004 | EP1474862A2 Additive dc component detection included in an input burst signal |
11/10/2004 | EP1236287B1 Par and out of band radiation reduction in code multiplex modulation systems |
11/10/2004 | EP1020056B1 Splitterless digital subscriber line communication system |
11/10/2004 | EP0914728B1 Arrangements and methods for generating a radio frequency signal |
11/10/2004 | EP0872096B1 Apparatus for demodulating and decoding video signals |
11/10/2004 | CN1545786A Monitoring upstream frequency band |
11/10/2004 | CN1545778A Method and system for transferring AMR signaling frames on half-rate channel |
11/10/2004 | CN1545776A Physical layer automatic repeat request (arq) |
11/10/2004 | CN1545775A Multicarrier communication apparatus and multicarrier communication method |
11/10/2004 | CN1545772A Receiver and method therefor |
11/10/2004 | CN1545349A A bit synchronizer for difference offset four-phase keying demodulator |
11/10/2004 | CN1545283A Software radio system for MPSK digital signal moddemod |
11/10/2004 | CN1545218A Demultiplexer for channel interleaving |
11/10/2004 | CN1175641C Receiver signal processing system for CAP signal |
11/10/2004 | CN1175640C Data transmission method and radio system |
11/10/2004 | CN1175639C Digital demodulator |
11/10/2004 | CN1175638C Adaptive channel equalizer for use in digital communication system utilizing OFDM method |
11/10/2004 | CN1175599C Device and method for vector equalization of OFDM signal |
11/10/2004 | CN1175586C Communication system with end-to-end quadrature balance control |
11/10/2004 | CN1175583C Method and circuit arrangement for reducing offset voltage of a signal |
11/09/2004 | US6816716 Radio frequency control for communication systems |
11/09/2004 | US6816714 Antenna interface unit |
11/09/2004 | US6816559 FSK modulation transceiver |
11/09/2004 | US6816555 Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method |
11/09/2004 | US6816540 AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method |
11/09/2004 | US6816473 Method for adaptive forward power control for spread-spectrum communications |
11/09/2004 | US6816453 Communication system using orthogonal frequency division multiplexed signal |
11/09/2004 | US6816452 Vehicle-to-roadside communication system, roadside communication station, and on-board mobile station |
11/04/2004 | WO2004095793A1 Wideband multi-channel quadrature amplitude modulation of cable television signals |
11/04/2004 | WO2004095792A1 Radiotelephony network with multi-carrier packet data transmission |
11/04/2004 | WO2004095791A1 Radio data transmission method employing several different pilot patterns, corresponding base station, mobile, system and reception method |
11/04/2004 | WO2004095790A1 Method and system for determining user location in a wireless communication network |
11/04/2004 | WO2004095757A2 Rate adaptive data broadcast technique |
11/04/2004 | WO2004095749A1 Radio transmitting/receiving apparatus and radio transmitting/receiving method for estimating noise and interference power in ratio transmission using code spread |
11/04/2004 | WO2004095748A1 Multi-carrier communication apparatus |
11/04/2004 | WO2004095729A2 Multi-carrier signal designed to reduce cell interferences in a radiocommunication network, corresponding receiver, transmitter, construction method and reception method |
11/04/2004 | WO2004095723A2 Secure nonlinear keting modulation and demodulation |
11/04/2004 | WO2004095720A2 Timing synchronization for m-dpsk channels |
11/04/2004 | WO2004095715A2 Additive digital predistortion system employing parallel path coordinate conversion |
11/04/2004 | WO2004095707A2 Data encoding using an oscillator circuit |
11/04/2004 | WO2004095706A2 System and method for using a microlet-based modem |
11/04/2004 | WO2004095349A2 Information exchanging and modem architecture using an intelligent database |
11/04/2004 | WO2004095165A2 Carrier management for a network |
11/04/2004 | WO2004095082A2 Method and apparatus for reducing interference in an optical data stream using dataindependent equalization |
11/04/2004 | WO2004084513A3 Multicarrier system wherin control data is summed to information data |
11/04/2004 | WO2004066577A3 Converter circuit for a limiter receiver structure and method for converting a signal in a limiter receiver structure |
11/04/2004 | WO2004051843A3 Method and apparatus for optimizing transmitter power efficiency |
11/04/2004 | WO2003090440A3 Packet error signal generator |
11/04/2004 | US20040221324 Digital television having a modular programmable conditional access system |
11/04/2004 | US20040221302 Multi-platform digital television |
11/04/2004 | US20040221219 ARQ retransmission with reordering scheme employing multiple redundancy versions and receiver/transmitter therefor |
11/04/2004 | US20040220986 Fractional fourier transform convolver arrangement |
11/04/2004 | US20040220983 Approximation method for series expansion of input function and system using the same |
11/04/2004 | US20040220891 Neural networks decoder |
11/04/2004 | US20040219945 Increasing effective number of data tones in a multi-tone communication system |
11/04/2004 | US20040219937 Systems and methods for improving range for multicast wireless communication |
11/04/2004 | US20040219891 Polar modulation transmitter |
11/04/2004 | US20040218753 Hybrid circuit for a broadband modem |
11/04/2004 | US20040218706 Method for demodulating a signal integrating phase error effect and corresponding receiver |
11/04/2004 | US20040218700 Digital implementation of multi-channel demodulators |
11/04/2004 | US20040218699 Method and wireless device employing a preamble to initiate communications |
11/04/2004 | US20040218696 Gaussian frequency shift keying digital demodulator |
11/04/2004 | US20040218695 Receiving apparatus and method for digital multi-carrier transmission |
11/04/2004 | US20040218691 Signal generator with frequency offset unit in the base band |
11/04/2004 | US20040218689 Method and apparatus of peak-to-average power ratio reduction |
11/04/2004 | US20040218686 Wideband digital radio with transmit modulation cancellation |
11/04/2004 | US20040218684 Method for modifying a bit sequence in an ARQ retransmission, receiver and transmitter therefor |
11/04/2004 | US20040218682 Apparatus and method for performing channel estimation in an orthogonal frequency division multiplexing (OFDM) system using multiple antennas |
11/04/2004 | US20040218681 Transform-based alias cancellation multi-channel tuner |
11/04/2004 | US20040218576 Receiver and communication terminal |
11/04/2004 | US20040218522 Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems |
11/04/2004 | US20040218521 Method for data communication between a single-carrier system and a multi-carrier system |
11/04/2004 | US20040218520 OFDM receiver, semiconductor integrated circuit and OFDM method for receiving a signal |
11/04/2004 | US20040218519 Apparatus and method for estimation of channel state information in OFDM receivers |