Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2013
11/20/2013EP2061173B1 Mimo system with multiple spatial multiplexing modes
11/20/2013EP1916764B1 Method and apparatus for compensating for mismatch occurring in radio frequency quadrature transceiver
11/20/2013EP1914910B1 Fourth harmonic generating system using optical carrier suppressed double sideband modulator
11/20/2013EP1832074B1 Method and apparatus for transmitting/receiving a signal in an FFH-OFDM communication system
11/20/2013EP1783922B1 System and method for providing an accurate estimation of received signal interference for use in wireless communication systems
11/20/2013EP1625665B1 Soft handoff with interference cancellation in a wireless frequency hopping communication system
11/20/2013CN103402239A Information on reference signal structure for neighbouring cell measurements
11/20/2013CN103402147A Orthogonal frequency division multiple access (OFDMA) metropolitan area access fusion network compatible with optical virtual private network (OVPN) communication, and communication method thereof
11/20/2013CN103401832A Sending equipment, receiving equipment, sending method and receiving method for optical signals containing data
11/20/2013CN103401831A FPGA (Field Programmable Gate Array)-based LTE (Long Term Evolution) digital intermediate frequency crest factor reduction method and device
11/20/2013CN103401830A Data processing apparatus and method
11/20/2013CN103401829A IQ imbalance compensation method for coherent-light orthogonal frequency division multiplexing (OFDM) communication system
11/20/2013CN103401828A DPSK radio frequency demodulating receiver
11/20/2013CN103401827A Multi-carrier implementation method of MPPSK (M-ary Position Shift Keying) modulation
11/20/2013CN103401826A Multi-carrier frequency hopping communication soft-decision method based on OOK modulation
11/20/2013CN103401817A Linear interpolation estimation method and system for coordinated multi-point transmission channel
11/20/2013CN103401674A Encryption method for broadband access network
11/20/2013CN103401643A Base station device, mobile station device, method for transmitting and receiving data, and integrated circuit
11/20/2013CN103401642A Mobile station device, data transmission method, data reception method and integrated circuit
11/20/2013CN103401633A Method and device for channel coding in communication system usinglow-density parity-check code
11/20/2013CN103401617A Optical front-end structure of optical communication multi-carrier receiver and multi-carrier receiving method
11/20/2013CN103401613A Digital microwave transmission device and method
11/20/2013CN103401585A Rotary type step-by-step balancer and preparation technology thereof
11/20/2013CN102413086B Ternary notation frequency modulation key modulation method
11/20/2013CN102377720B ZC (zone code) sequence detection method and device in high-speed mode
11/20/2013CN102263758B Method for transmitting robust mobile signals in digital broadcast single frequency network
11/20/2013CN102255845B Pilot frequency transmission and channel estimation method for bidirectional orthogonal frequency division multiplexing (OFDM) system
11/20/2013CN102164107B Method and device for signaling information by modifying modulation constellations
11/20/2013CN102142904B Optical transmission and reception system, and optical receiver
11/20/2013CN102118341B Reception apparatus and method, program and reception system
11/20/2013CN101997797B Demodulators
11/20/2013CN101917170B Direct conversion receiver architecture
11/20/2013CN101895500B Symbol timing method for resisting frequency deviation and multi-path environment
11/20/2013CN101841392B Method and apparatus to exchange channel information
11/20/2013CN101803255B Radio communication method, radio communication system, and radio transmission device
11/20/2013CN101572653B Both-way relay method, base station, mobile terminal and relay station
11/20/2013CN101305576B Peak-to-average power reduction
11/20/2013CN101272188B Fast self-optimization self-adaptive signal processing method and device of coherent communication technology
11/19/2013US8588348 Receiver with automatic gain control
11/19/2013US8588347 Systems and methods for performing efficient blind decoding at a wireless receiver
11/19/2013US8588346 Doppler frequency estimation system and method
11/19/2013US8588345 Orthogonal frequency division multiplexing receiver
11/19/2013US8588344 Detecting the modulation type and/or constellation order of a PSK/QAM-modulated signal
11/19/2013US8588343 Apparatus for calibrating amplitude and phase errors, multiport amplifier including the same, and method of amplifying the multiport amplifier
11/19/2013US8588342 Mobile terminal for performing a communication by using sub carriers
11/19/2013US8588340 Receiving device
11/19/2013US8588339 System and method for detecting temporarily unused bandwidth in the RF spectrum
11/19/2013US8588338 Driver circuit for driving a power amplifier
11/19/2013US8588337 Vector modulator
11/19/2013US8588336 Methods and apparatuses for compensation of I/Q imbalance
11/19/2013US8588335 Radio communication device, radio communication method, and communication system using PADM transmission diversity
11/19/2013US8588334 Robust antenna array
11/19/2013US8588330 Quadrature communications device with I antennas and Q antennas and related methods
11/19/2013US8588329 Phase-locked loop modulation
11/19/2013US8588328 Information transmission system, information transmission device, information transmission method, and computer readable medium storing a program for information transmission
11/19/2013US8588327 Digital transmitter
11/19/2013US8588326 System and method for mapping symbols for MIMO transmission
11/19/2013US8588317 Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
11/19/2013US8588315 Decoding apparatus and decoding method
11/19/2013US8588205 Uplink power control message indexing in wireless OFDMA systems
11/19/2013US8588203 Wireless communication system with improved broadcast coverage
11/19/2013US8588187 Transmission delay utilizing orthogonal frequency division multiplex transmission method
11/19/2013US8587339 Multi-mode driver with multiple transmitter types and method therefor
11/19/2013CA2680404C Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation
11/19/2013CA2490520C Diversity transmission modes for mimo ofdm communication systems
11/14/2013WO2013170104A1 Scheduling synchronization signals in a new carrier type
11/14/2013WO2013169288A1 Phich resource provisioning in time division duplex systems
11/14/2013WO2013169085A1 Encoding method and encoding apparatus in a wireless communications system
11/14/2013WO2013169055A1 Communication method and apparatus using analog and digital hybrid beamforming
11/14/2013WO2013169050A1 Method of demodulating data on new type of carrier wave
11/14/2013WO2013169003A1 Control signal transceiving method and apparatus for same
11/14/2013WO2013168790A1 Transmitting device, receiving device, transmitting method, program, and integrated circuit
11/14/2013WO2013167740A1 Method and apparatus for estimating frequency errors
11/14/2013WO2013167739A1 Preamble detection in presence of carrier offset
11/14/2013WO2013166997A1 Multicarrier system scaling method and device
11/14/2013WO2013166961A1 Method and device for recognizing type of carrier wave
11/14/2013WO2013166941A1 Base station and method for primary and secondary synchronization signal transmission in new carriers
11/14/2013WO2013166912A1 Signaling to support advanced wireless receivers and related devices and methods
11/14/2013WO2013166725A1 Method and device for configuring reference signal
11/14/2013WO2013166719A1 Data transmission method and device
11/14/2013US20130305247 Interpreting i/o operation requests from pageable guests without host intervention
11/14/2013US20130301764 Automatic gain control techniques for detecting rf saturation
11/14/2013US20130301763 Power adjusting method and apparatus
11/14/2013US20130301761 Methods and Systems for Orthogonal Frequency Division Multiplexing (OFDM) Multiple Zone Partitioning
11/14/2013US20130301760 Methods, apparatus and computer programs for signal interference ratio estimation
11/14/2013US20130301759 Receiving device and receiving method
11/14/2013US20130301758 Method and Apparatus for Turbo Receiver Processing
11/14/2013US20130301756 Apparatus and Method for Decoding a Received Signal
11/14/2013US20130301754 Frequency modulator having digitally-controlled oscillator arranged for receiving modulation tuning word and phase-locked loop tuning word and/or receiving fractional tuning word obtained through asynchronous sampling and integer tuning word
11/14/2013US20130301751 Apparatus and Method for Determining a Precoding Matrix
11/14/2013US20130301744 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system
11/14/2013US20130301697 Blind equalization in a single carrier wideband channel
11/14/2013US20130301695 Data receiver, data communication system, and data communication method
11/14/2013US20130301690 Capacitive isolated voltage domains
11/14/2013US20130301689 System and method for controlling electromagnetic interference in portable electronic devices having a radio frequency subsystem
11/14/2013US20130301684 Pre-phase error correction
11/14/2013US20130301594 Integrated circuit for controlling radio transmission of ack/nack information
11/14/2013US20130301556 Multi-channel support within single user, multiple user, multiple access, and/or MIMO wireless communications
11/14/2013US20130301555 Multi-channel support within single user, multiple user, multiple access, and/or MIMO wireless communications
11/14/2013US20130301400 System Access and Synchronization Methods for MIMO OFDM Communications Systems and Physical Layer Packet and Preamble Design
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