Patents for H04L 27 - Modulated-carrier systems (89,721) |
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01/11/2006 | CN1719816A Resource allocating method for orthogonal frequency division multiplex system |
01/11/2006 | CN1719815A Method for estimating and correcting frequency shift and apparatus thereof |
01/11/2006 | CN1719761A Communication method for distributed multi-input muti-output orthogonal frequency division multiplexing communication system |
01/11/2006 | CN1719760A Up link receiving method for array antenna MT-CDMA system |
01/11/2006 | CN1719746A Controlling method and apparatus for transfer power amplifier |
01/11/2006 | CN1719739A Devices for reducing the dynamic range of signals in transmitters of communication systems |
01/11/2006 | CN1236610C QFDM transmission mode, transmitter and receiver thereof |
01/11/2006 | CN1236590C Single carrier receiver having improved equalizing quality for equilizer and its equalizing method |
01/11/2006 | CN1236589C Method and circuit for acquisition |
01/11/2006 | CN1236573C Regular sign restoring device and method for orthogonal frequency-division multiplexing receiver |
01/11/2006 | CN1236569C Bit rate detecting circuit and calculating method for optical network |
01/10/2006 | USRE38932 Digital demodulator |
01/10/2006 | US6986073 System and method for a family of digital subscriber line (XDSL) signal processing circuit operating with an internal clock rate that is higher than all communications ports operating with a plurality of port sampling clock rates |
01/10/2006 | US6985749 Method and devices for transmitting and receiving information |
01/10/2006 | US6985728 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system |
01/10/2006 | US6985725 Method and apparatus for maintaining independent, parallel data streams over separate modulation channels of a multi-dimensional modulator |
01/10/2006 | US6985705 Radio frequency control for communication systems |
01/10/2006 | US6985701 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer |
01/10/2006 | US6985699 Efficient and optimal channel encoding and channel decoding in a multiple access communications system |
01/10/2006 | US6985578 Low voltage broadband line driver |
01/10/2006 | US6985543 Digital servo channel for recording apparatus |
01/10/2006 | US6985540 AM demodulator |
01/10/2006 | US6985539 Peak suppression method and data transmission apparatus |
01/10/2006 | US6985538 Digital radio communication system and method |
01/10/2006 | US6985537 Symbol self synchronous interleaving method and apparatus for OFDM-based communication system |
01/10/2006 | US6985536 Block coding for multilevel data communication |
01/10/2006 | US6985535 Channel condition estimation for pilot coefficient selection |
01/10/2006 | US6985534 Channel allocation method and device for coded and combined information sets |
01/10/2006 | US6985533 Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system |
01/10/2006 | US6985532 Ultra wideband (UWB) transmitter architecture |
01/10/2006 | US6985531 Dual domain differential encoder/decoder |
01/10/2006 | US6985510 Method and system for data and voice transmission over shared and dedicated channels |
01/10/2006 | US6985509 Low cost DSSS communication system |
01/10/2006 | US6985498 Beacon signaling in a wireless system |
01/10/2006 | US6985468 Memory circuit and coherent detection circuit |
01/10/2006 | US6985467 Rapid acquisition spreading codes for spread-spectrum communications |
01/10/2006 | US6985434 Adaptive time diversity and spatial diversity for OFDM |
01/10/2006 | US6985433 Methods and apparatus for determining minimum cyclicprefix durations |
01/10/2006 | US6985432 OFDM communication channel |
01/10/2006 | US6985092 Robust system for transmitting and receiving map data |
01/10/2006 | CA2393246C Joint frame, carrier and clock synchronization scheme |
01/05/2006 | WO2006002310A2 Legacy compatible spatial multiplexing systems and methods |
01/05/2006 | WO2006001898A1 Method and apparatus for preamble training in a multiple antenna communication system |
01/05/2006 | WO2006001672A1 Apparatus and method for transmitting/receiving pilot signals in a communication system using an orthogonal frequency division multiplexing scheme |
01/05/2006 | WO2006001658A1 Allocation of radio resource in orthogonal frequency division multiplexing system |
01/05/2006 | WO2006001626A1 Display apparatus and control method thereof |
01/05/2006 | WO2006001350A1 Sending method and device, and receiving method and device |
01/05/2006 | WO2006000941A1 Modulation of data streams with constellation subset mapping |
01/05/2006 | WO2006000885A1 Low current direct conversion transmitter architecture |
01/05/2006 | WO2006000602A1 Method of obtaining spectral voids in the transmission of signals over the electric network |
01/05/2006 | WO2005109809B1 Amc (adaptative modulation and coding) method and apparatus for increasing up-link performance and record medium storing the method |
01/05/2006 | WO2004068714A3 Robust mode staggercasting with multiple delays for multi-resolution signals |
01/05/2006 | US20060003712 High-quality power ramping in a communications transmitter |
01/05/2006 | US20060002498 Clock recovery |
01/05/2006 | US20060002497 Phase adjustment method and circuit for dll-based serial data link transceivers |
01/05/2006 | US20060002495 Receiver device, communications device, wireless LAN device, power control method for a receiver device, power control program for a receiver device, and storage medium |
01/05/2006 | US20060002494 Analog/digital carrier differentiation in digital cable receivers |
01/05/2006 | US20060002493 Method and device for generating a duty cycle related output signal |
01/05/2006 | US20060002492 DC-offset compensation |
01/05/2006 | US20060002491 IF FSK receiver |
01/05/2006 | US20060002490 Receiver for a wire-free communication system |
01/05/2006 | US20060002489 Bidirectional optical communications having quick data recovery without first establishing timing and phase lock |
01/05/2006 | US20060002488 Communication device capable of performing broadband radio communication |
01/05/2006 | US20060002487 Methods and apparatus for parametric estimation in a multiple antenna communication system |
01/05/2006 | US20060002486 Advanced MIMO interleaving |
01/05/2006 | US20060002485 Systems and methods for rapid signal detection and identification |
01/05/2006 | US20060002484 Communication system and receiving method |
01/05/2006 | US20060002478 Coding image signal |
01/05/2006 | US20060002462 Method and apparatus to control operation of an equalizer |
01/05/2006 | US20060002454 System and method for scrambling the phase of the carriers in a multicarrier communications system |
01/05/2006 | US20060002452 Pilot use in orthogonal frequency division multiplexing based spread spectrum multiple access systems |
01/05/2006 | US20060002362 Slot-to-interlace and interlace-to-slot converters for an OFDM system |
01/05/2006 | DE10300267B4 Demodulation eines frequenzmodulierten Empfangssignals durch Abbilden der Nulldurchgänge auf eine Folge von Parameterwerten Demodulating a frequency-modulated reception signal by mapping the zero crossings in a sequence of parameter values |
01/05/2006 | DE10229002B4 Mittelwertnachführmechanismus in Datenkommunikationsempfängern Mittelwertnachführmechanismus in data communication receivers |
01/05/2006 | DE102005026130A1 Verfahren und Vorrichtung zum Übertragen und/oder Empfangen von Daten Method and device for transmitting and / or receiving data |
01/05/2006 | DE102004034382A1 Empfangsschaltung und Verfahren zum Empfangen eines OFDM-Signals Receiving circuit and method for receiving an OFDM signal |
01/05/2006 | DE102004029932A1 Verfahren und Vorrichtung zur gleichzeitigen Kompensation von Signalfehlern in IQ-Modulatoren Method and apparatus for simultaneous compensation of signal errors in IQ modulators |
01/05/2006 | DE102004027719A1 Verfahren zur drahtlosen Signalübertragung mit Entzerrungsmaßnahmen Method for wireless signal transmission with rectification measures |
01/05/2006 | DE102004024906B4 Klemmschaltung für ein Empfängersystem Clamp circuit for a receiver system |
01/05/2006 | CA2571028A1 Method of obtaining spectral voids in the transmission of signals over the electric network |
01/04/2006 | EP1613013A1 Method and apparatus for reducing amplitude variations and interference in communication signals employing inserted pilot signals |
01/04/2006 | EP1612993A1 Method and arrangement for changing the operation mode of an agent of a management network |
01/04/2006 | EP1612962A1 Broadband xDSL transceiver |
01/04/2006 | EP1612961A1 Code division multiple access communication system |
01/04/2006 | EP1612959A2 Reduced peak-to-average amplitude multichannel link |
01/04/2006 | EP1612951A2 System and method for simplifying analog processing in a transmitter incorporating a randomization circuit |
01/04/2006 | EP1611767A1 A method in a transceiver for allocating transmission capacity between the two directions of transmission in wire line data communication |
01/04/2006 | EP1611724A1 Method and apparatus for performing linearization in a quadrature transmitter |
01/04/2006 | EP1611723A1 Position adjusted guard time interval for ofdm-communications system |
01/04/2006 | EP1611722A1 System and method for two channel frequency offset estimation of ofdm signals |
01/04/2006 | EP1611721A2 Method and apparatus for mitigating the effects of non-ideal receiver processing |
01/04/2006 | EP1611706A2 Method and system for synchronization in a frequency shift keying receiver |
01/04/2006 | EP1532747A4 Access burst detector correlator pool |
01/04/2006 | EP1413067B1 Apparatus and method for detecting ripples caused by multipath propagation and controlling receiving antenna and tuner |
01/04/2006 | EP1002405B1 Method and device for combined measurement of the beginning of a data block and carrier frequency shift in a multicarrier transmission system in f classes |
01/04/2006 | CN2750580Y Remote data receiving system for fixed network |
01/04/2006 | CN1717909A A demodulation method using soft decision for quadrature amplitude modulation and apparatus thereof |
01/04/2006 | CN1717908A Wavelet multicarrier communication apparatus |
01/04/2006 | CN1717891A Method and apparatus for transmitting data in a diversity communication system employing constellation rearrangement with QPSK modulation |
01/04/2006 | CN1717889A Transmit diversity processing for a multi-antenna communication system |