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)
08/2009
08/12/2009CN101505292A Phase noise correcting method suitable for MIMO-OFDM pre-coding
08/12/2009CN101505291A Hydroacoustic communication differential decoding method based on OFDM coding
08/12/2009CN101505290A Improved frequency bias estimation method for wideband MIMO
08/12/2009CN101505289A Method and apparatus for localized frequency hopping for OFDMA transmissions with power efficient multiplexing
08/12/2009CN101505288A Relay apparatus for wide band narrow band bi-directional communication
08/12/2009CN101505186A Multi-mode high-speed modem
08/12/2009CN101505180A CSI reference signal bearing method and apparatus in long term evolution system
08/12/2009CN101505173A Stochastic access detection method and communication apparatus
08/11/2009US7574350 Passive data carrier with signal evaluation means for evaluating information of a self-clocking signal
08/11/2009US7574219 Method and system for enabling device functions based on distance information
08/11/2009US7574135 Method, apparatus and system for high-speed transmission on fiber optic channel
08/11/2009US7573957 Strobe technique for recovering a clock in a digital signal
08/11/2009US7573956 Time encoding and decoding of a signal
08/11/2009US7573954 Apparatus and method for compensating IQ imbalance in OFDM system with carrier frequency offset
08/11/2009US7573953 Method and apparatus for estimating SFO in digital receiver, and method and apparatus for compensating for sampling frequency using the estimated SFO in the digital receiver
08/11/2009US7573952 Barycentric coordinate technique for resampling quantized signals
08/11/2009US7573951 Binary arithmetic decoding apparatus and methods using a pipelined structure
08/11/2009US7573949 Transmitter circuit, transmission method, and communications device using the transmitter circuit
08/11/2009US7573948 Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface
08/11/2009US7573946 Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel
08/11/2009US7573945 System and method for joint maximal ratio combining using time-domain based signal processing
08/11/2009US7573944 Apparatus and method for canceling inter-symbol interference in a broadband wireless communication system
08/11/2009US7573942 Method for encoding and decoding control information in a wireless communications system
08/11/2009US7573935 System and method for performing ranging in a cable modem system
08/11/2009US7573852 Transmitting/receiving apparatus and method for packet retransmission in a mobile communication system
08/11/2009US7573850 Multi-carrier communications with group-based subcarrier allocation
08/11/2009US7573822 Broadband network for coaxial cable using multi-carrier modulation
08/11/2009US7573807 Method and apparatus for performing differential modulation over frequency in an orthogonal frequency division multiplexing (OFDM) communication system
08/11/2009US7573338 Quadrature voltage controlled oscillator with automated phase control
08/11/2009CA2653289C Communication system
08/11/2009CA2652487C Communication system
08/11/2009CA2652486C Communication system
08/11/2009CA2542257C Method and apparatus for transmission and reception within an ofdm communication system
08/06/2009WO2009097243A1 Method and system for detecting non-linear devices
08/06/2009WO2009096986A1 Acquisition of timing information in wireless communication systems
08/06/2009WO2009096842A1 A method of data modulation adapted to selected modulation rotational angle
08/06/2009WO2009096832A1 Timeslot sharing using unbalanced qpsk modulation
08/06/2009WO2009096756A2 Method for transmitting preamble for legacy support
08/06/2009WO2009096488A1 Transmission device and modulation method
08/06/2009WO2009095831A1 Method of packet retransmission and reception and wireless device employing the same
08/06/2009WO2009095527A1 System and method for burst separation and extended interleaving length
08/06/2009WO2009095279A1 Mixing waveforms
08/06/2009WO2009063033A3 Modem with improved receive power for connection to a two-wire current loop and measuring transducer, position controller and input and output unit comprising said modem
08/06/2009WO2009050609A3 Method, apparatus and computer program product for providing improved gray mapping
08/06/2009WO2009047732A3 Random access preamble and receiving schemes for wireless communications systems
08/06/2009WO2009022269A3 A method and apparatus for transmitter timing adjustment
08/06/2009WO2008096267A3 Method and apparatus for communicating different types of data over a same network
08/06/2009WO2007050869A8 A method and apparatus for multiple input multiple output multiple codeword (mimo mcw) transmission
08/06/2009US20090196383 Correlation apparatus and method for frequency synchronization in broadband wireless access communication system
08/06/2009US20090196382 Equalizing structure and equalizing method
08/06/2009US20090196381 Information reproducing device
08/06/2009US20090196380 Method for generating soft decision signal from hard decision signal in a receiver system
08/06/2009US20090196379 Multiple-input multiple-output signal detectors based on relaxed lattice reduction
08/06/2009US20090196378 Post correlation system for gnss receiver
08/06/2009US20090196377 Correlation system and method for gnss receiver
08/06/2009US20090196376 Demodulation circuit of differential phase shift keying (dpsk) modulated signals
08/06/2009US20090196369 Method and system for optimal bitloading in communication and data compression systems
08/06/2009US20090196368 Radio transmission control method, radio receiver apparatus, and radio transmitter apparatus
08/06/2009US20090196367 Apparatus and method for transmitting/receiving reference signal in a communication system
08/06/2009US20090196366 Transmission of Uplink Control Information with Data in Wireless Networks
08/06/2009US20090196365 Wireless Communication Apparatus, Antenna Calibration Method and Program
08/06/2009US20090196363 Radio communications apparatus and communication method
08/06/2009US20090196362 Transmission method and apparatus for allocating subchannel and forming stationary beam to maximize transmission efficiency in orthogonal frequency division multiplexing/multiple access based wireless communication system
08/06/2009US20090196361 Non-binary source-to-channel symbol mappings with minimized distortion
08/06/2009US20090196360 Lattice-reduction-aided mimo detectors
08/06/2009US20090196358 Method and Apparatus for Signal Transmission
08/06/2009US20090196356 Multi-stream decoder apparatus
08/06/2009US20090196336 Signal processing device utilized in communication system
08/06/2009US20090196330 Pre-phase error correction
08/06/2009US20090196276 Internal data structure of mobile terminal for qos-based uplink data transmission, and operational methods thereof
08/06/2009US20090196272 Mobile station, base station and radio communication method
08/06/2009US20090196260 Method for signaling a modulation scheme to user equipment in a communication system
08/06/2009US20090196232 Method and apparatus to exchange channel information
08/06/2009US20090196229 ACKNAK and CQI Channel Mapping Schemes in Wireless Networks
08/06/2009US20090196205 Clock synchronization in a bidirectional network
08/06/2009US20090196203 Wireless communication system and communication control method
08/06/2009US20090196165 Transmitting and receiving apparatuses and methods
08/06/2009US20090196163 Bandwidth asymmetric communication system based on ofdm and tdma
08/06/2009DE102008008597B4 Phasenübergänge reduzierender Polarmodulator mit vorzeichenbehafteter Amplitude Phase transitions reducing polar modulator with a signed amplitude
08/06/2009CA2713991A1 Timeslot sharing using unbalanced qpsk modulation
08/06/2009CA2711088A1 Acquisition of timing information in wireless communication systems
08/05/2009EP2086196A2 Mimo communication system and transmission station
08/05/2009EP2086195A2 Correlation apparatus and method for frequency synchronization in broadband wireless access communication system
08/05/2009EP2086194A2 Distortion Compensation Circuit and Method
08/05/2009EP2086193A2 Apparatus and method for transmitting and receiving preambles in a digital video broadcasting system
08/05/2009EP2086192A2 Scrambler, scramble processing method, and program
08/05/2009EP2086190A2 Method for determining system information as well as decoder, terminal and computer program
08/05/2009EP2086146A1 Method for obtaining information representative of the channel quality indication on at least one frequency subband
08/05/2009EP2086144A2 Error correction method for transmitting and receiving a signal and apparatus thereof
08/05/2009EP2086140A1 Mimo-ofdm communication system and mimo-ofdm communication method
08/05/2009EP2086139A1 User terminal device and base station device
08/05/2009EP2086138A1 Relay device and broadcast system with use of the same
08/05/2009EP2086116A2 Method and arrangement for signal processing in a receiver that can be tuned to different carriers
08/05/2009EP2084928A2 Method of performing random access in a wireless communication system
08/05/2009EP2084915A1 Frame structure for a wireless communication system
08/05/2009EP2084878A2 Transponder, reader, method of operating a transponder, and method of operating a reader
08/05/2009EP2084877A1 Uplink pilot multiplexing in su-mimo and sdma for sc-fdma systems
08/05/2009EP2084876A1 Method of allocating reference signals in mimo system
08/05/2009EP2084875A1 Cell id detection in an ofdm communication system
08/05/2009EP2084874A2 Method for transmitting data using phase shift based precoding and transceiver supporting the same
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