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)
07/2012
07/26/2012WO2012099996A1 Apparatus and method for signalling carrier combination capabilities for a multi- carrier dual - band wireless communication system
07/26/2012WO2012099951A1 Coexistence mechanism for noncompatible powerline communication devices
07/26/2012WO2012099761A1 Transmission resources in time or frequency using analog modulation
07/26/2012WO2012099401A2 Apparatus and method for transceiving data streams in a wireless system
07/26/2012WO2012099388A2 Method and apparatus for processing a harq ack/nack signal
07/26/2012WO2012099322A1 Method and apparatus for receiving signal in multi-node system
07/26/2012WO2012099098A1 Digital demodulation circuit using automatic gain control circuit having temperature compensation function
07/26/2012WO2012098985A1 Data-processing device and data-processing method
07/26/2012WO2012098984A1 Data-processing device and data-processing method
07/26/2012WO2012098983A1 Data-processing device and data-processing method
07/26/2012WO2012098982A1 Data-processing device and data-processing method
07/26/2012WO2012098432A1 An audio alignment apparatus
07/26/2012WO2012097662A1 Usage of discrete spectrum in orthogonal frequency division multiplexing system, and receiving method and apparatus using discrete spectrum
07/26/2012WO2012097608A1 Method of transmitting signals and device thereof
07/26/2012WO2012074192A3 Method for avoiding inter-cell interference in wireless access system
07/26/2012WO2012060647A3 Method and apparatus for coding of harq-ack transmission in tdd systems with downlink carrier aggregation
07/26/2012WO2012058600A3 System and method of frequency offset compensation for radio system with fast doppler shift
07/26/2012US20120189324 Soft-input generation for soft-decision fec decoding
07/26/2012US20120189319 Adaptive pmd equalizer and implementation
07/26/2012US20120189084 Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches
07/26/2012US20120189082 Base station, multi-antenna communication system and communication method thereof
07/26/2012US20120189081 Transmission circuit and communication apparatus using polar modulation method
07/26/2012US20120189079 LOW DENSITY PARITY CHECK (LDPC) CODING FOR A 32k MODE INTERLEAVER IN A DIGITAL VIDEO BROADCASTING (DVB) STANDARD
07/26/2012US20120189073 Interference Mitigation for Orthogonal Frequency Division Multiplexing Communication
07/26/2012US20120189072 Combined data and probe (cdp) frame
07/26/2012US20120189071 High speed information transfer method and system
07/26/2012US20120189070 Peak-to-average power ratio reduction for hybrid fm hd radio transmission
07/26/2012US20120189069 Systems and Methods for a Multiport Synchronous-Asynchronous Client for Scheduling and Delivering Content for Digital Radio Broadcast Transmission
07/26/2012US20120189068 Electronic terminals and methods using a usb cable as a rf broadcast signal antenna
07/26/2012US20120189046 Asymmetric Multi-Channel Adaptive Equalizer
07/26/2012US20120189045 Signaling with Superimposed Clock and Data Signals
07/26/2012US20120189043 Recursive frequency estimation
07/26/2012US20120189040 Multi-mode receiver
07/26/2012US20120189039 Method of Controlling a Communications Link
07/26/2012US20120188966 Base station and mobile station communicating with ofdm system using a plurality of subcarriers and communication method with ofdm system using a plurality of subcarriers
07/26/2012US20120188901 Time division duplex wireless network and associated method using connection modulation groups
07/26/2012CA2825707A1 Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches
07/25/2012EP2479972A1 Circuit and device for digital subscriber line
07/25/2012EP2479948A2 Method and apparatus for transmitting a reference signal in a multi-antenna system
07/25/2012EP2479947A1 Method and apparatus for sending or receiving data
07/25/2012EP2479909A2 Reference signal transmission method and apparatus in wireless communication system including relay station
07/25/2012EP2479905A1 Method and apparatuses for transmittal of heartbeat signal at a lower level than heartbeat request
07/25/2012EP2479904A1 Apparatuses for transmittal of heartbeat signal at a lower level than heartbeat request
07/25/2012EP2479903A1 Method and apparatus for the transmittal of heartbeat signal at a lower level than heartbeat request
07/25/2012EP2479901A2 Method and apparatus for transmitting a reference signal in a multi-antenna system
07/25/2012EP2478724A1 Physical layer signaling of control parameters for multiple radio access technologies
07/25/2012EP2186284B1 Signal modulation for switched mode power amplifiers technical field of the invention
07/25/2012EP2184873B1 Base station apparatus, transmitting method, and radio communication system
07/25/2012EP1685721B1 Method and device for digital-to-RF conversion
07/25/2012EP1436913B1 A method and apparatus for the detection and classification of signals utilizing known repeated training sequences
07/25/2012EP1166452B1 Method of receiving information
07/25/2012CN1941669B Method for inserting down public guide frequency
07/25/2012CN102612824A Method and apparatus for merging bit probability information in serial localization with indecision
07/25/2012CN102612823A Method and apparatus for transmitting downlink reference signal in wireless communication system that supports multiple antennas
07/25/2012CN102612808A Method and apparatus for transmitting downlink reference signal in wireless communication system that supports multiple antennas
07/25/2012CN102612145A Resource allocation
07/25/2012CN102611994A User terminal and method for receiving service data in multi-carrier system
07/25/2012CN102611673A Method for setting cyclic shift considering frequency offset
07/25/2012CN102611672A Narrowband interference suppression method based on weighted score Fourier transform domain
07/25/2012CN102611671A Carrier frequency offset estimation method, device and system
07/25/2012CN102611670A Transform domain communication system and realization method thereof
07/25/2012CN102611669A Channel estimation filtering
07/25/2012CN102611668A Data transmission method of orthogonal frequency division multiplexing (OFDM) passive optical network and optical line terminal (OLT)
07/25/2012CN102611667A Random access detection FFT/IFFT (Fast Fourier Transform Algorithm/Inverse Fast Fourier Transform) processing method and device
07/25/2012CN102611666A Outer loop link adaptive implementation method and device
07/25/2012CN102611665A Method and device for combined estimation of integer frequency offset and fine timing in CMMB (China mobile multimedia broadcasting) system
07/25/2012CN102611664A Signal transmitting method and device
07/25/2012CN102611663A Communication method, equipment and system based on downlink channel adaptability
07/25/2012CN102611662A Underwater acoustic modem with low cost and low power consumption
07/25/2012CN102611659A Demodulation method
07/25/2012CN102611658A Multi-channel sound wave communication system and method
07/25/2012CN102611656A Enhanced channel estimation method and enhanced channel estimation device suitable for uplink of LTE (long term evolution) system
07/25/2012CN102611655A Extraction method for baseband code of hydroacoustic two-phase modulated direct spread signal
07/25/2012CN102611650A Frequency-domain channel estimation method and device of generalized multi-carrier system
07/25/2012CN102611543A Retransmission method, transmitting device and communication system
07/25/2012CN102611533A Method for setting cyclic shift considering frequency offset
07/25/2012CN102611526A Method and device for sending data flow to MIMO (Multiple Input Multiple Output) system
07/25/2012CN102611525A Subframe interleaving interference measurement method in TDD (Time Division Duplex) communication system
07/25/2012CN102148796B Method for sending and receiving data bit streams by using 16-quadrature amplitude modulation (QAM) constellation, sending device and receiving device
07/25/2012CN102064848B Method and apparatus for movable station and base station in a multi-subzones broadband wireless system
07/25/2012CN102043255B Polarization interference-based full-light OFDM signal multiplexing and demultiplexing device
07/25/2012CN101945075B Subband-based demodulation for an OFDM-based communication system using reduced Fourier transform
07/25/2012CN101806228B Coal bed gas radio spectrum direction-finding early warning system
07/25/2012CN101783782B Uplink multiple access method capable of automatically adapting to channel characteristic variation
07/25/2012CN101771651B OFMD (Orthogonal Frequency Division Multiplexing) channel estimation technology
07/25/2012CN101753494B Generation method of chaotic signal with low peak-to-average power ratio (PAPR)
07/25/2012CN101741790B Spline function theory-based method for realizing FQPSK modulating waveform
07/25/2012CN101697534B Anti-long time delay multipath channel estimation method for time-domain synchronous orthogonal frequency division multiplexing system
07/25/2012CN101645858B Method and device for optimizing channel estimation
07/25/2012CN101562484B Method applicable to measuring channel quality of OFDM system
07/25/2012CN101488947B Data transmission method and device
07/25/2012CN101483622B Method, apparatus and system for channel estimation in two-way relaying networks
07/25/2012CN101479946B Transmission circuit and communication device
07/25/2012CN101478518B Coarse synchronization method and receiver
07/25/2012CN101478507B Channel estimation method and terminal
07/25/2012CN101436899B Method and apparatus for judging down synchronous code accuracy position and serial number, and synchronization method
07/25/2012CN101395807B Controlling a receiver to reduce influence by a predetermined interference
07/25/2012CN101360268B High-speed multimedia broadcast technique implementing method under TD-SCDMA system
07/25/2012CN101345568B Signal forwarding method and device of transparent relay station
07/25/2012CN101340215B Method and device for determining transmitting power of special burst sub-frame
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