Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
10/2008
10/22/2008EP1983673A1 Demodulating device, method and program
10/22/2008EP1983672A1 Single carrier transmission system, communication device, and single carrier transmission method used for them
10/22/2008EP1983670A1 Transmitting device, and transmitting method
10/22/2008EP1983669A1 Multicarrier communication apparatus and peak suppressing method therein
10/22/2008EP1983657A1 Adaptive digital filter and receiver
10/22/2008EP1983654A1 Channel estimation device and method, demodulation device and method and fading frequency decision device and method
10/22/2008EP1982548A1 Radio channel allocation and link adaptation in cellular telecommunication system
10/22/2008EP1982489A1 Decoding apparatus and decoding method
10/22/2008EP1982488A1 Timing measurement for checking probes
10/22/2008EP1982451A2 A method and apparatus for achieving transmit diversity and spatial multiplexing using antenna selection based on feedback information
10/22/2008EP1982419A2 Method of matching codeword size and transmitter therefor in mobile communications system
10/22/2008EP1690196B1 Fft architecture and method
10/22/2008EP1684453B1 Receiving apparatus
10/22/2008EP1573981B1 Wireless network adapted to transmit channel side information and method therefor
10/22/2008CN101292487A Configurable pilots in a wireless communication system
10/22/2008CN101292486A Radio transmitting apparatus, radio receiving apparatus, radio transmitting method, radio receiving method, wireless communication system and wireless communication method
10/22/2008CN101292484A Modulating/demodulating method, modulating apparatus and demodulating apparatus
10/22/2008CN101292483A Method and system for communication in a wireless network
10/22/2008CN101292461A Apparatus, method and computer program product providing initial cell acquisition and pilot sequence detection
10/22/2008CN101292420A Polar modulation apparatus and method using FM modulation
10/22/2008CN101291503A Calibrating method and apparatus for radio frequency circuit of time division duplexing MIMO multi-antenna communicating system
10/22/2008CN101291316A AFC device applying wireless medium-distance sensor network
10/22/2008CN101291315A Timing off-set estimating apparatus and method in orthogonal frequency division multiplexing system
10/22/2008CN101291314A Transmission method, and transmission apparatus
10/22/2008CN101291313A Wireless signal transmitting method, system and mobile station
10/22/2008CN101291312A Reference symbol processing method, system, base station and terminal
10/22/2008CN101291311A Synchronization implementing method and device for multi-input multi-output orthogonal frequency division multiplexing system
10/22/2008CN101291310A Frame synchronizing device and method in broadband wireless communication system
10/22/2008CN101291309A Method, device and system for transmitting subcarrier signal
10/22/2008CN101291308A Adaptive channel equalizer based on two-dimensional interpolation and method therefor
10/22/2008CN101291159A Sending terminal, receiving terminal directly realizing spread-spectrum ultra-wideband and method thereof
10/22/2008CN100428747C Generating method for linear digital frequency modulation signal
10/22/2008CN100428638C Data generating method, data generator and transmitter using with the same
10/21/2008US7440576 Apparatus and method for reconstructing high frequency part of signal
10/21/2008US7440528 Timing recovery apparatus and method
10/21/2008US7440527 Method of differential-phase/absolute-amplitude QAM
10/21/2008US7440525 Dynamic range signal to noise optimization system and method for receiver
10/21/2008US7440524 Channel estimation in a wireless transmission system
10/21/2008US7440523 Apparatus and method for decode arbitration in a multi-stream multimedia system
10/21/2008US7440522 Method of evaluating a readout signal, and optical disc apparatus
10/21/2008US7440520 System and method for terrestrial high-definition television reception
10/21/2008US7440517 Method and apparatus for switching between multiple waveforms
10/21/2008US7440516 Apparatus and method for receiving digital multimedia broadcasting in a wireless terminal
10/21/2008US7440515 System and method for controlling modulation
10/21/2008US7440512 Electrical signal regenerator
10/21/2008US7440511 Transmit filter
10/21/2008US7440508 System and method for cellular communications
10/21/2008US7440507 Turbo channel estimation for OFDM systems
10/21/2008US7440506 Receiver for recovering data from an OFDM symbol
10/21/2008US7440505 Wireless impulse transmitter, receiver, and method
10/21/2008US7440498 Time domain equalization for discrete multi-tone systems
10/21/2008US7440496 Apparatus and method to extend communication range
10/21/2008US7440489 Method and apparatus for selective demodulation and decoding of communications signals
10/21/2008US7440488 TDMA, spread spectrum RF agile filtered signal transmission
10/21/2008US7440486 Noise shaping technique for spread spectrum communications
10/21/2008US7440411 Echo reduction to achieve a requested service
10/21/2008US7440410 Off-line broadband network interface
10/21/2008US7440402 Hybrid DSL system for transmission of hybrid DSL data via a subscriber access line in order to increase the overall data transmission rate of both transceivers
10/21/2008US7440392 Wireless receiver deinterleaver having partitioned memory
10/21/2008US7440391 Method and system for dynamic bandwidth allocation
10/21/2008US7439799 Frequency shift keying demodulator robust for frequency offset
10/21/2008CA2450378C System and method for post filtering peak power reduction in communications systems
10/21/2008CA2445707C Communication system
10/16/2008WO2008124434A1 Systems and methods for scheduling transmissions for coexistence of differing wireless radio protocols
10/16/2008WO2008124304A2 Companded transmit path for wireless communication
10/16/2008WO2008123977A1 Determining a channel matrix by measuring interference
10/16/2008WO2008123713A1 Method for signal transmitting and apparatus for the same, method for signal receiving and apparatus for the same
10/16/2008WO2008123681A1 Method for constructing map in wireless communication system based on ofdma, and apparatus for transmitting frame using the same
10/16/2008WO2008123579A2 Communication apparatus, communication system, and communication control method
10/16/2008WO2008122841A1 Method, data structure and computer system for packing a worldwide interoperability for microwave access (wimax) frame
10/16/2008WO2008122144A1 Method and apparatus for digital signal reception
10/16/2008WO2008077950A3 Initialization of and modem for an ofdm data transmission
10/16/2008WO2008033609A3 Method and apparatus for improving sector-to-sector isolation in a fourier transform matrix system
10/16/2008WO2007098482A9 Method and apparatus for selecting cdm or ofdm in a communication system
10/16/2008US20080254755 Radio Receiver and Radio Transmitter
10/16/2008US20080253486 Frequency correction
10/16/2008US20080253485 Broadcast receiving apparatus and method for receiving broadcast signal
10/16/2008US20080253484 Method and apparatus for reference signal generation in wireless communication system
10/16/2008US20080253483 Method for receiving signal and apparatus thereof
10/16/2008US20080253482 Receiving circuit and method thereof
10/16/2008US20080253479 Single and multiple sinewave modulation and demodulation techniques, apparatus, and communications systems
10/16/2008US20080253478 Method and system for reconfigurable sfbc/stbc in a diversity transmission system
10/16/2008US20080253477 Iq-Modulator Pre-Distortion
10/16/2008US20080253475 Device and Method for Generating a Base Band Signal and Program Causing Computer to Execute the Method
10/16/2008US20080253474 Method and Apparatus for Signal Processing and Encoding and Decoding Method, and Apparatus Therefor
10/16/2008US20080253473 Calibration in a radio frequency transmission module
10/16/2008US20080253472 Uart-Encoded Pulse-Modulation Technique
10/16/2008US20080253471 Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
10/16/2008US20080253470 OFDM receiving circuit having multiple demodulation paths
10/16/2008US20080253469 Methods and Systems for Ofdm Using Code Division Multiplexing
10/16/2008US20080253468 Multi-transport stream (ts) generating apparatus and method, and digital broadcasting transmission and reception apparatuses and methods
10/16/2008US20080253439 De-emphasizing cable equalizer
10/16/2008US20080253435 Systems and method for orthogonal frequency divisional multiplexing
10/16/2008US20080253353 MIMO Polar, Non-Quadrature, Cross-Correlated Quadrature GSM, TDMA, Spread Spectrum, CDMA, OFDM, OFDMA and Bluetooth Systems
10/16/2008US20080253349 Method of and an Apparatus for Effecting a Smooth Transition Between Adjacent Symbol Bursts Transmitted in Different Modulation Formats
10/16/2008US20080253279 Pilot Design for Ofdm Systems with Four Transmit Antennas
10/16/2008DE10027216B4 Vorrichtung und Verfahren zum Modulieren einer Datennachricht durch Verwendung von Codes mit orthogonalem veränderlichem Spreizungsfaktor (OVSF) in einem Mobilkommunikationssystem Apparatus and method for modulating a data message through the use of codes with orthogonal variable spreading factor (OVSF) in a mobile communication system
10/15/2008EP1981236A1 A transmit power control module and associated method for transmit power configuration
10/15/2008EP1981235A2 ASK demodulator with multiple operating modes
10/15/2008EP1981205A2 System and Method for generating multicarrier spread spectrum signals with constant envelop
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