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)
03/2014
03/12/2014CN103634247A Method and device for realizing crest factor reduction
03/12/2014CN103634243A Method to reduce peak to average power ratio in multi-carrier modulation receivers
03/12/2014CN103634077A Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
03/12/2014CN103634072A Information transmission method and apparatus
03/12/2014CN103634029A Broadband power line carrier system suitable for intelligent substation communication and networking method
03/12/2014CN103634026A Digital zero intermediate frequency self-adaptation wave trapping method based on FPGA (filed programmable gate array)
03/12/2014CN102724749B Method, terminal and base station for uplink-downlink frame synchronization
03/12/2014CN102651656B Signal processing method, device and system based on twisted pairs
03/12/2014CN102394739B Generation method and transmitting equipment for in band on channel (IBOC) digital/analog audio broadcast signals
03/12/2014CN102394714B Method and system for receiving digital broadcasting signals in frequency modulation (FM) broadcast bands
03/12/2014CN102388590B Method and device for improving conversation quality
03/12/2014CN102377708B Modem
03/12/2014CN102377514B Scrambling code initial value generation method for channel state information reference signal and equipment
03/12/2014CN102318305B Method, equipment and system to deal with optical orthogonal frequency division multiplexing (OFDM) signal
03/12/2014CN102291685B Method and device for transmitting service
03/12/2014CN102291348B Cable modem and frequency locking method thereof
03/12/2014CN102271004B DwPTS positioning method and system thereof
03/12/2014CN102263766B Frequency division multiple access method of variable-bandwidth FMT (frequency modulated transmitter) based on single-carrier transmission
03/12/2014CN102263717B Signal demodulating equipment and signal demodulating method
03/12/2014CN102255836B Blind signal to noise ratio estimation method based on multiple input multiple output (MIMO)-orthogonal frequency division multiplexing (OFDM) signal cyclostationarity
03/12/2014CN102215047B Soft spread spectrum multiplexing method for high-speed data transmission
03/12/2014CN102208937B Hybrid multiple access system for long term evolution (LTE) uplink
03/12/2014CN102201606B Time-sharing frequency-reducing filter and time-sharing frequency-reducing filtering method
03/12/2014CN102195677B Receiving circuit, transmitting circuit, microcontroller and power-line carrier communication method
03/12/2014CN102171945B Methods and apparatus to generate multiple antennas transmit precoding codebook
03/12/2014CN102164108B Multi-carrier communication with time division multiplexing and carrier-selective loading
03/12/2014CN102163982B OOK (on-off keying) receiving device with low power consumption
03/12/2014CN102158449B Method, base station and terminal for generating reference signal
03/12/2014CN102148785B Methods and devices for detecting main synchronous signal and generating sequence in LTE (Long Term Evolution) system
03/12/2014CN102122974B 多普勒扩展估计装置 Doppler spread estimation means
03/12/2014CN102118176B Digital transreceiver of time division duplex system
03/12/2014CN102088310B Method for promoting downlink coverage and throughput of orthogonal frequency division multiple access (OFDMA) system
03/12/2014CN102067473B Method for dynamic compensation of relative movement of communicating entity
03/12/2014CN102065035B Channel estimation method of multi-band orthogonal frequency-division multiplexing ultra-wideband system
03/12/2014CN102045286B Method and device for evaluating frequency offset, and method and device for detecting master synchronization sequences
03/12/2014CN102035777B Processing method and system and configuration method for demodulation pilot frequency, base station and user equipment
03/12/2014CN102035578B Automatic grain control method and device for diversity receiving
03/12/2014CN102017488B Efficient physical layer preamble format
03/12/2014CN101925181B Method and device for scheduling multi-carrier system
03/12/2014CN101919187B Method and apparatus for transmission within multi-carrier communication system
03/12/2014CN101902429B Soft demodulation method and device based on orthogonal amplitude modulation in mobile TV service
03/12/2014CN101874381B Time-frequency synchronization and frame number detection for DMB-T systems
03/12/2014CN101741462B Method for processing demodulation reference signal dynamic cyclic shift parameters
03/12/2014CN101686066B Channel estimation method and device
03/12/2014CN101669341B Synchronization time difference measurements in OFDM systems
03/12/2014CN101621327B Radio communication method and device in single-carrier transmission system
03/12/2014CN101558571B Jammer detection and suppression for wireless communication
03/12/2014CN101512931B Codeword permutation and reduced feedback for grouped antennas
03/12/2014CN101510799B Wireless communication device and wireless communication method
03/12/2014CN101490997B Method and device for multi-carrier receiver for wireless communication
03/12/2014CN101404640B Quadrature amplitude modulation mapping apparatus, method and digital television receiving device
03/11/2014US8670796 Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
03/11/2014US8670508 Method and system for a low-complexity soft-output MIMO detection
03/11/2014US8670507 Concatentation-assisted symbol-level combining for MIMO systems with HARQ and/or repetition coding
03/11/2014US8670506 Apparatus and method for providing a reduced representation based on a time-domain RF signal
03/11/2014US8670504 Beamspace-time coding based on channel quality feedback
03/11/2014US8670500 Data transmitting and receiving method using phase shift based precoding and transceiver supporting the same
03/11/2014US8670496 Method and system for mapping uplink control information
03/11/2014US8670493 Systems and/or methods of increased privacy wireless communications
03/11/2014US8670491 Device and method for time synchronization in a communication network
03/11/2014US8670402 Method and an apparatus for transmitting physical random access channel signal
03/11/2014US8670077 Fast service scan
03/11/2014CA2747374C Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
03/11/2014CA2747273C Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
03/06/2014WO2014036154A1 Reception of downline data for coordinated multi-point transmission in the event of fall-back
03/06/2014WO2014035744A1 Method and apparatus for out-of-channel emission suppression
03/06/2014WO2014035519A1 Apparatus and method for improving ofdm receiver performance in the presence of narrowband interferers
03/06/2014WO2014034664A1 Receiver, reception method, and program
03/06/2014WO2014034600A1 Data demodulation device, data demodulation method, reproduction device for magnetically recorded data, and program
03/06/2014WO2014033315A1 Method of cooperative emission, signal, source entity, relay entity, method of reception, destination entity, system and computer program corresponding thereto
03/06/2014WO2014032861A1 Sfo estimation technique for mimo-ofdm frequency synchronization
03/06/2014WO2014032268A1 Training sequence generation method, training sequence generation device and optical communication system
03/06/2014WO2012125511A3 Fast link adaptation and transmit power control in wireless networks
03/06/2014US20140064417 Direct Digital Synthesis Of Signals Using Maximum Likelihood Bit-Stream Encoding
03/06/2014US20140064415 Robust HARQ-ACK Design for MF-HSDPA
03/06/2014US20140064413 Worker and iteration control for parallel turbo decoder
03/06/2014US20140064412 High Performance Turbo DPSK
03/06/2014US20140064411 Apparatus and method for receiving data in communication system
03/06/2014US20140064410 Chaotic communication systems and methods
03/06/2014US20140064407 Method for modulating an oqam type multi-carrier signal, and corresponding computer program and modulator
03/06/2014US20140064403 Devices and methods using the hermetic transform for transmitting and receiving signals using ofdm
03/06/2014US20140064402 Apparatus and method for modulation classification in wireless communication system
03/06/2014US20140064352 Feed forward equalizer tap weight adaptation based on channel estimation
03/06/2014US20140064351 Adaptive Control of Low-Frequency Equalizers
03/06/2014US20140064350 Noise power thresholding and balancing for long term evolution (lte) symbol detection
03/06/2014US20140064339 Apparatus for transmitting and receiving signal in communication system
03/06/2014US20140064241 Communication apparatus and a communication method
03/06/2014US20140063636 Systems and Methods for Conditional Positive Feedback Data Decoding
03/06/2014DE102013217141A1 Frequency error detector for detection of carrier frequency error in receiver, has peak detection unit that detects carrier frequency error from relative position offset according to distributions with maximum peak of signal series
03/06/2014DE102013001790A1 Chirp-datenkanalsynchronisation Chirp data channel synchronization
03/05/2014EP2704388A1 Reduction of peak-to-average ratio in ofdm systems
03/05/2014EP2704387A1 Sfo estimation technique for MIMO-OFDM frequency synchronization
03/05/2014EP2704386A2 OFDM transmitting and receiving systems and methods thereof
03/05/2014EP2704385A1 Systems and methods for selection of loop filter bandwidth for carrier phase recovery
03/05/2014EP2704383A1 Method and device for improving a home network making use of an adaptive guard interval
03/05/2014EP2704351A2 Method and apparatus for control channel allocation in geran using the concept of orthogonal sub channels
03/05/2014EP2704347A2 Communication system, communication device, and reception device
03/05/2014EP2704318A1 Predistorter and predistorter control method
03/05/2014EP2702738A2 Method and apparatus for generation of coherent and frequency-lock optical subcarriers
03/05/2014EP2702737A1 Methods and arrangements for low power wireless networks
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