Patents for H04L 27 - Modulated-carrier systems (89,721)
02/2010
02/04/2010WO2010012156A1 Method, system and device for data transmission
02/04/2010WO2009154384A3 Apparatus for adaptable/variable type modulation and demodulation in digital tx/rx system
02/04/2010WO2009152395A3 Method and system for carrier frequency offset estimation and correction in ofdm/ofdma systems
02/04/2010WO2009132178A3 Backward compatible bandwidth extension
02/04/2010US20100029212 Inter-cell power control for interference management
02/04/2010US20100027724 Receiver and receiving method
02/04/2010US20100027723 Time synchronization method and frequency offset estimation method using the same in ofdm network
02/04/2010US20100027722 Wired signal receiving apparatus
02/04/2010US20100027721 Method and System for Implementing a Multiple-Input Multiple-Output (MIMO) Decoder Scheme
02/04/2010US20100027720 Channel estimating method and channel estimator
02/04/2010US20100027719 Systems and methods for fine alignment of analog and digital signal pathways
02/04/2010US20100027718 Preamble detection in a Multi-Antenna MIMO 802.16e Receiver
02/04/2010US20100027717 Equalization of OFDM Signals Based on Time and Then Frequency Interpolation
02/04/2010US20100027715 Determining scan strategy for digital card
02/04/2010US20100027714 System and method for power saving coding in integer cycle or impulse type modulation transmissions
02/04/2010US20100027712 Equalizing transmitter and method of operation
02/04/2010US20100027711 Digital linear transmitter architecture
02/04/2010US20100027706 Signal transmission system
02/04/2010US20100027705 Method and device for calculating zero-croccing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal
02/04/2010US20100027700 Communication System, Base Station, Terminal and Communication Method of OFDM System
02/04/2010US20100027699 Communication system, transmission apparatus, and receiving apparatus
02/04/2010US20100027698 Apparatus and method for estimating channel in ofdm/ofdma based wireless communication system
02/04/2010US20100027697 Mimo transmission with layer permutation in a wireless communication system
02/04/2010US20100027696 Method of data transmission in a wireless communication system
02/04/2010US20100027695 Method for transmitting control information to instruct receiver
02/04/2010US20100027694 Wireless telecommunicatons network
02/04/2010US20100027693 Stream Weight Estimation and Compensation in SIMO/MIMO OFDM Receivers
02/04/2010US20100027692 Method and system for a reference symbol (rs) frequency control loop for txco synchronization and tracking
02/04/2010US20100027690 Apparatus and method for generating a multicarrier communication signal having a reduced crest factor
02/04/2010US20100027689 I/q calibration of transmit and receive paths in ofdm fdd communication systems
02/04/2010US20100027688 Multi-input multi-output-orthogonal frequency division multiplexing transceiving method and apparatus
02/04/2010US20100027687 Interface module for communication with an electronic or an electromechanical device of a medium voltage interruption unit
02/04/2010US20100027612 Transversal filter
02/04/2010US20100027611 Adaptive equalization employing pattern recognition
02/04/2010US20100027610 Equalizer and equalization method
02/04/2010US20100027609 Equalization filter and distortion compensating method
02/04/2010US20100027608 Scrambled multicarrier transmission
02/04/2010US20100027607 Apparatus for time-domain pre-emphasis and time-domain equalization and associated methods
02/04/2010US20100027602 Time delay and distance measurement
02/04/2010US20100027597 Method and system for reconfigurable channel coding
02/04/2010US20100027594 Method and system for applying viterbi type psk demodulation for optimum correlation of gps signals
02/04/2010US20100027502 Sub-band dependent resource management
02/04/2010US20100027501 Radio communication device and pilot arrangement method
02/04/2010US20100027488 Method of transmitting and receiving scheduling information in a wireless communication system
02/04/2010US20100027475 Apparatus and Method for Radio Communication
02/04/2010US20100027473 Method of generating low peak-to-average power ratio (papr) binary preamble sequences for ofdm systems
02/04/2010US20100027456 Network mimo reporting, control signaling and transmission
02/04/2010US20100027454 Dedicated reference signal design for network mimo
02/04/2010US20100027410 Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel
02/04/2010CA2738846A1 System and method for power saving coding in integer cycle or impulse type modulation transmissions
02/03/2010EP2150012A2 Method and system for RS timing loop for OFDM symbol synchronization and tracking
02/03/2010EP2150011A1 Method and system for an OFDM joint timing and frequency tracking system
02/03/2010EP2150010A1 Method and device for reducing the transmission power on a digital subscriber line
02/03/2010EP2150009A1 Demodulator and method
02/03/2010EP2150005A2 Random access for wireless multiple-access communication systems
02/03/2010EP2149239A2 Channel estimation
02/03/2010EP2149238A1 Method for channel estimation in ofdm systems
02/03/2010EP2149217A1 Methods and apparatus for improved utilization of air link resources in a wireless communications system
02/03/2010EP1787387B1 A method and apparatus for pre-conditioning an electrical signal
02/03/2010CN101641931A 脉冲宽度调制器 Pulse width modulator
02/03/2010CN101641930A Method and apparatus for generating training sequence code in a communication system
02/03/2010CN101641929A A radio frequency indentification transceiver
02/03/2010CN101641928A Methods and apparatus for performing channel tree operations
02/03/2010CN101641927A Methods and apparatus for initial acquisition gain control in a communication system
02/03/2010CN101641926A Quadrature imbalance mitigation using unbiased training sequences
02/03/2010CN101641925A Method for setting cyclic shift considering frequency offset
02/03/2010CN101641923A Method of estimating signal-to-noise ratio, method of adjusting feedback information transmission, adaptive modulation and coding method using the same, and transceiver thereof
02/03/2010CN101641922A Transmitter and ssb signal generation method
02/03/2010CN101641921A Transmitter and ssb signal generation method
02/03/2010CN101640661A Method and system for processing communication signal
02/03/2010CN101640660A Apparatus and method for generating a multicarrier communication signal having a reduced crest factor
02/03/2010CN101640659A Method and system for processing communication signals
02/03/2010CN101640658A Method for estimating sampling clock skew based on orthogonal frequency division multiplexing system
02/03/2010CN101640657A Method for reducing peak-to-average ratio and device
02/03/2010CN101640656A Channel quality index feedback method, receiver and transmitter
02/03/2010CN101640655A Method for interference robust grouping detection
02/03/2010CN101640654A Ultra-low bit rate PSK demodulator for satellite communication system
02/03/2010CN101640653A Mobile communication system and method, receiver and transmitter, receiving and transmitting method
02/03/2010CN101640652A Digital demodulating apparatus, digital receiver, controlling method of the apparatus
02/03/2010CN101640550A Method and device for detecting precursor
02/03/2010CN100588195C Hierarchical parallel frequency catching method
02/03/2010CN100588194C Self-adaptive channel estimation method based on two-dimensional minimum mean square criterion
02/03/2010CN100588193C Method and apparatus for calculating log-likelihood ratio for decoding in receiver for mobile communication system
02/03/2010CN100588146C System and method for sending and receiving QAM signal in low signal-noise ratio
02/02/2010US7657919 Single wire return device including a QAM modulator for downstream IP signals
02/02/2010US7657238 Method and apparatus for modulating a radio signal using digital amplitude and phase control signals
02/02/2010US7657231 Method for estimating a frequency offset of a modulated bandpass signal
02/02/2010US7657225 Method to minimize compatibility error in hierarchical modulation using variable phase
02/02/2010US7656975 Gain control in signal processing with feed-forward gain correction
02/02/2010US7656974 Iterative decoding
02/02/2010US7656973 Apparatus and method for receiving broadcasting service in a broadcasting system
02/02/2010US7656972 System and method for transmission format detection
02/02/2010US7656971 Adjustable phase controlled clock and data recovery circuit
02/02/2010US7656969 Dual payload and adaptive modulation
02/02/2010US7656968 Radio receiver, system on a chip integrated circuit and methods for use therewith
02/02/2010US7656967 Interference power estimation for adaptive antenna system
02/02/2010US7656966 Method to increase performance of secondary data in a heirarchial modulation scheme
02/02/2010US7656965 Method of secure WLAN communication
02/02/2010US7656963 Data transfer using frequency notching of radio-frequency signals
02/02/2010US7656962 Method for transmitting signals in a radio communication system