Patents for H04L 27 - Modulated-carrier systems (89,721)
01/2006
01/18/2006CN1723669A Phase/gain imbalance estimation or compensation
01/18/2006CN1723652A A backward compatible transmitter diversity scheme for use in an OFDM communication system
01/18/2006CN1723651A Method for determining feedback in communication system
01/18/2006CN1723648A Method for the time- and frequency-domain synchronisation of multiple devices in a transmission system with OFDM modulation
01/18/2006CN1723647A Frequency hopping of DMA method using symbols of COMB pattern
01/18/2006CN1722839A Video encoding and decoding methods and video encoder and decoder
01/18/2006CN1722734A A method for automatic configuration of terminal equipment
01/18/2006CN1722721A LO leakage and sideband image calibration system and method
01/18/2006CN1722720A Apparatus and method for detecting time synchronization of frame and bit cell
01/18/2006CN1722719A A method of bit and power distribution for adaptive modulation of OFDM system
01/18/2006CN1722718A An OFDM signal frequency synchronization device and method thereof
01/18/2006CN1722717A Frequency estimation method and system
01/18/2006CN1722716A Carrier frequency offset detecting apparatus in a digital receiver system and a method thereof
01/18/2006CN1722715A Methods and devices for dynamic quantizing input of a soft decision decoder
01/18/2006CN1722655A Cdr-based clock synthesis
01/18/2006CN1722647A Method and apparatus for CRZ-DPSK optical signal generation
01/18/2006CN1722646A Bandwidth limited frequency shift keying modulation format
01/18/2006CN1722640A A multi-carrier based public physical channel assignment method
01/18/2006CN1722629A Channel adaptation synchronized to periodically varying channel
01/18/2006CN1237766C Method and receiver for determining modulation type applied to received signals
01/18/2006CN1237748C Peak amplitude limiter and multicarrier amplifier
01/18/2006CN1237747C Orthogonal freguency division multiplex communication device
01/18/2006CN1237744C Method of signal transmission in digital terrestrial broadcasting transmission
01/18/2006CN1237729C CDMA system which uses pre-rotation before transmission
01/18/2006CN1237728C Apparatus and method for transmitting signals in a communication system
01/18/2006CN1237709C Device for linearizing a high-frequency amplifier
01/17/2006US6988188 Data object architecture and method for xDSL ASIC processor
01/17/2006US6987954 Feedback compensation detector for a direct conversion transmitter
01/17/2006US6987822 Circuit and method for reducing noise interference in digital differential input receivers
01/17/2006US6987821 Voice and data exchange over a packet based network with scaling error compensation
01/17/2006US6987819 Method and device for multiple input/multiple output transmit and receive weights for equal-rate data streams
01/17/2006US6987818 Simplified method of detection by spheres when there is a low signal to noise ratio
01/17/2006US6987817 Digital clock recovery PLL
01/17/2006US6987816 Iris data recovery algorithms
01/17/2006US6987815 Receive method and receiver in communication system
01/17/2006US6987814 Distortion compensating device
01/17/2006US6987813 Single header encoding for multiple packets in packet switched network
01/17/2006US6987802 Activation of multiple XDSL modems with implicit channel probe
01/17/2006US6987801 Modem apparatus, communication apparatus and communication control method
01/17/2006US6987794 Receiver and received channel estimation method for the same
01/17/2006US6987754 Adaptive downstream modulation scheme for broadband wireless access systems
01/12/2006WO2006004828A2 Multiplexing octets from a data flow over mpeg packets
01/12/2006WO2006003291A1 Method for reducing phase noise during ofdm signal reception, receiver, program and medium
01/12/2006WO2005101671A3 Method and apparatus for dc offset removal
01/12/2006WO2005069773A3 Isolation barrier for interfacing a line side device to a system side device
01/12/2006US20060009256 Integrated circuit and method for receiving and transmitting signals of different frequency bands
01/12/2006US20060009228 System and method for allocating safety channels in a broadband wireless access communication system
01/12/2006US20060009182 Direct conversion receiving apparatus and cellular phone
01/12/2006US20060009181 Automatic gain control device
01/12/2006US20060009168 Method for controlling transmissions using both diversity and nondiversity transmission schemes
01/12/2006US20060008033 Demodulation of a frequency-modulated received signal by mapping the zero crossings to a sequence of parameter values
01/12/2006US20060008031 Method and system for maximum transmit diversity
01/12/2006US20060008030 System and method for differential IQ delay compensation in a communications system utilizing adaptive AQM compensation
01/12/2006US20060008029 Transmitter stage
01/12/2006US20060008019 Communications method
01/12/2006US20060008018 VOFDM receiver correlation matrix processing using factorization
01/12/2006US20060008015 Method and apparatus for reducing the dynamic range of a radio signal
01/12/2006US20060008014 Method and adaptive modulation in multi-carrier communication
01/12/2006US20060007994 Signal quality estimation for continuous phase modulation
01/12/2006US20060007959 Apparatus and method for multi-channel communications
01/12/2006US20060007898 Method and apparatus to provide data packet
01/12/2006US20060007891 Wireless transmitting device and wireless receiving device
01/12/2006US20060007888 Handover method for OFDM wireless communication system
01/12/2006US20060007850 Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme
01/12/2006US20060007848 System and method for communicating digital information using time-and-frequency-bounded base functions
01/12/2006US20060007225 Display apparatus and control method thereof
01/12/2006US20060006955 Contactless IC card system
01/12/2006DE19948898B4 Digitale Filterkombination Digital filter combination
01/12/2006DE10337084B4 Vorrichtung zur Erzeugung normkonformer Signale Apparatus for generating standard-compliant signals
01/12/2006DE102004029893A1 High-frequency radio transmitter-receiver stage for time division duplex system incorporates IQ mixer connected to high-frequency amplifier with transfer switch connected to transmit-receive antenna
01/12/2006CA2571686A1 Multiplexing octets from a data flow over mpeg packets
01/11/2006EP1615400A1 Symbol synchronization method for OFDM-based wireless communication system
01/11/2006EP1615384A1 Mimo wlan system
01/11/2006EP1615367A1 Method of allocating subcarriers on the downlink of a CDMA system
01/11/2006EP1615364A1 Radio receiving apparatus, mobile station apparatus, base station apparatus, and radio receiving method
01/11/2006EP1615350A2 A CDMA system
01/11/2006EP1615349A2 HPSK Modulator for CDMA
01/11/2006EP1615335A1 Coupling arrangement for RF-based differential signal transmission
01/11/2006EP1614266A1 Radio data transmission method employing several different pilot patterns, corresponding base station, mobile, system and reception method
01/11/2006EP1614242A2 Method and apparatus for transmission and reception of data
01/11/2006EP1614241A2 Methods and apparatus for interleaving in a block-coherent communication system
01/11/2006EP1614224A2 Additive digital predistortion system employing parallel path coordinate conversion
01/11/2006EP1405478B1 Packet data transmission using variable dqpsk modulation
01/11/2006EP1356544A4 Carrier interferometry coding and multicarrier processing
01/11/2006EP1308009B1 Handshaking communication system for multiple xdsl
01/11/2006EP1175762B1 Communication system with predistortion
01/11/2006EP1145470A4 Synchronization of ofdm signals
01/11/2006EP0990313B1 Reduced peak-to-average amplitude multichannel link
01/11/2006CN1720702A Method and device for demodulating a phase modulated signal
01/11/2006CN1720701A Method, system and apparatus for acquiring a received impulse radio signal
01/11/2006CN1720685A A simplified decoder for a bit interleaved COFDM-MIMO system
01/11/2006CN1720684A Orthogonal frequency multi-carrier transmission device and transmission method
01/11/2006CN1720667A Excess delay spread detection method for multi-carrier communication systems
01/11/2006CN1720604A Constant delay zero standby differential logic receiver and method
01/11/2006CN1719930A Dynamic resource allocation method for an of DMA system
01/11/2006CN1719821A Synchronous method and apparatus for digital audio frequency /digital multimedia broadcasting receiver
01/11/2006CN1719820A Method for implementing frequency hopping synchronization for orthogonal frequency division multiplex
01/11/2006CN1719819A Improved OFDM timing synchronous method based on PN sequence
01/11/2006CN1719818A Apparatus and method for processing sampling frequency deviation tracking signal in orthogonal frequency division multiplex system
01/11/2006CN1719817A Pilet transmitting and receiving method for orthogonal frequency division multiplex communication system