Patents for H04L 27 - Modulated-carrier systems (89,721)
04/2013
04/24/2013CN101361307B 无线通信装置 The wireless communication device
04/24/2013CN101340229B Diversity receiver and method therefor
04/24/2013CN101199177B Receiver apparatus for receiving a multicarrier signal
04/24/2013CN101156403B Method and apparatus for singular value decomposition of a channel matrix
04/24/2013CN101076965B Individual interleaving of data streams for mimo transmission
04/24/2013CN101030955B Method for synchronizing multi-user signal, time and frequency synchronization method and device
04/23/2013US8429515 Apparatus and method for transmitting and receiving control information in multiple input multiple output system
04/23/2013US8428536 Low-cost receiver using automatic gain control
04/23/2013US8428204 Recovering distorted digital data
04/23/2013US8428202 Receiver with analog and digital gain control, and respective method
04/23/2013US8428201 Receiver gain adjustment
04/23/2013US8428200 Apparatus for estimating frequency offset in OFDM system
04/23/2013US8428199 Transmitter and receiver for frequency domain equalization
04/23/2013US8428198 Frequency tracking which adapts to timing synchronization
04/23/2013US8428197 Enhanced channel estimation for communication system receiver
04/23/2013US8428196 Equalizing receiver
04/23/2013US8428195 Methods and apparatus for detecting and decoding adaptive equalization training frames
04/23/2013US8428194 In-situ gain calibration of radio frequency devices using thermal noise
04/23/2013US8428193 Broadband wireless system
04/23/2013US8428189 Mobile communication terminal and control method therefor
04/23/2013US8428188 Carrier phase offset correction for a QAM system
04/23/2013US8428187 Reception device and reception method
04/23/2013US8428185 System and methods for transmitting data
04/23/2013US8428184 Transmitter, receiver, data transmission method and data reception method
04/23/2013US8428183 In-phase and quadrature pattern alignment for quadrature phase shift keying optical transmitters
04/23/2013US8428182 Communication method and radio communication apparatus
04/23/2013US8428177 Method and apparatus for multiple input multiple output (MIMO) transmit beamforming
04/23/2013US8428175 Quadrature modulation rotating training sequence
04/23/2013US8428167 Method of estimating the symbols of a digital signal and receiver for implementing said method
04/23/2013US8428166 Method for transmitting sounding reference signal in multiple antenna wireless communication system and apparatus therefor
04/23/2013US8428165 Method and system for decoding OFDM signals subject to narrowband interference
04/23/2013US8428164 Interference randomization of control channel elements
04/23/2013US8428162 System and method for distributed input distributed output wireless communications
04/23/2013US8428159 MIMO receiver using maximum likelihood detector in combination with QR decomposition
04/23/2013US8428157 Method and apparatus for reference signal generation in wireless communication system
04/23/2013US8428156 Rate control for multi-channel communication systems
04/23/2013US8428151 DTV transmitting system and method of processing broadcast data therein
04/23/2013US8428150 Digital television system
04/23/2013US8428040 Reception apparatus and reception method for setting a format per divided band
04/23/2013US8428009 Methods and apparatus for signal transmission and reception in a broadband communication system
04/23/2013CA2677417C Method and apparatus for generating training sequence code in a communication system
04/18/2013WO2013056257A1 Adaptive transmitter pre-distortion reusing existing receiver for feedback
04/18/2013WO2013055143A2 Method and device for allocating search space of control channel in subframe
04/18/2013WO2013055095A2 Method and apparatus for transceiving uplink control information in a wireless communication system
04/18/2013WO2013054086A1 An optical iq modulator
04/18/2013WO2013022394A3 Harq ack feedback detection for an i/q-multiplexed control channel
04/18/2013WO2013003217A3 Transmit downlink control information with higher order modulation
04/18/2013US20130094621 Method and System for Channel Estimation Processing for Interference Suppression
04/18/2013US20130094620 Estimation of a multipath signal in a wireless communication system
04/18/2013US20130094618 Communication system utilizing a hierarchically modulated signal and method thereof
04/18/2013US20130094617 Digital broadcast receiver apparatus and digital broadcast reception method
04/18/2013US20130094616 Digital down conversion and demodulation
04/18/2013US20130094614 Ofdm communication system and method having a reduced peak-to-average power ratio
04/18/2013US20130094613 Precoding signaling in a mimo wireless communication system
04/18/2013US20130094604 Precoding For Coordinated Multi-Point Joint Transmission
04/18/2013US20130094603 Device and method for encoding bits to symbols for a communication system
04/18/2013US20130094602 Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
04/18/2013US20130094601 Multiple inputs and multiple outputs wireless communication system with expansion module
04/18/2013US20130094561 Techniques for adaptively adjusting decision levels of a pam-n decision feedback equalizer
04/18/2013US20130094546 Method for seamlessly changing power modes in an adsl system
04/18/2013US20130094544 Method and system for mimo transmission in a distributed transceiver network
04/18/2013US20130094345 Dynamically selecting methods to reduce distortion in multi-carrier modulated signals resulting from high peak-to-average power ratios
04/18/2013DE19945273B4 Verfahren zur Messung mindestens einer Eigenschaft eines Übertragungskanals und Sende-/Empfangsstationen zur Durchführung des Verfahrens A method for measuring at least one characteristic of a transmission channel, and transmitting / receiving stations for carrying out the method
04/17/2013EP2582193A1 Method and device for transmitting reference signals
04/17/2013EP2582112A1 Robust and Low-Complexity Combined Signal Power Estimation for OFDM
04/17/2013EP2582111A1 Signal processing method and device for long term evolution (lte) base station side
04/17/2013EP2582110A1 Method for selecting an XDSL transmission mode and residential gateway using the method
04/17/2013EP2582109A2 Split architecture remote radio
04/17/2013EP2582108A2 Multi gigabit modem for mmwave point to point links
04/17/2013EP2582072A1 Mobile terminal device, wireless base station device and wireless communication method
04/17/2013EP2582067A2 Sectorized base stations as multiple antenna systems
04/17/2013EP2582060A1 Method and apparatus of enabling multi band transmission
04/17/2013EP2582056A1 Receiver for wireless communication network with extended range
04/17/2013EP2582055A1 Receiver for wireless communication network with extended range
04/17/2013EP2580884A1 Optical access network
04/17/2013CN202889385U RDS frequency modulation modulator
04/17/2013CN103053151A System and method for joint voice and data transmission
04/17/2013CN103053142A Method, device, and transmission system for generating quadrature amplitude modulation signal
04/17/2013CN103053141A Methods and systems to resolve cyclic ambiguity of a channel impulse response
04/17/2013CN103053129A Method and apparutus for transmitting control information in wireless communication system
04/17/2013CN103052070A Method for configuring and optimizing carrier frequencies in multiple carrier frequency system and wireless network controller
04/17/2013CN103051588A Polarized state-amplitude-phase joint modulation method for increasing energy efficiency of radio frequency amplifier
04/17/2013CN103051587A Method for constructing high-dimensional constellation maps on basis of grids and by applying optimal planning
04/17/2013CN103051586A Device for generating 16-QAM (Quadrature Amplitude Modulation) Golay complementary sequence set
04/17/2013CN103051585A Metering method and device for digital modulation parameter based on IQ (Intelligence Quotient) plane elliptical orbit
04/17/2013CN103051584A Blind carrier frequency offset estimation method of I/O (Input/Output) unbalance in OFDM (Orthogonal Frequency Division Multiplexing) system
04/17/2013CN103051583A OFDMA (orthogonal frequency division multiple access) resource distribution method based on rate adaption
04/17/2013CN103051582A Low-computation-complexity self-adaptive in-band processing restraining amplitude limiting algorithm
04/17/2013CN103051581A Effective capacity-based optimization method for energy efficiency of MIMO-OFDM (multiple input multiple output-orthogonal frequency division multiplexing) system
04/17/2013CN103051580A Transmission method of uplink control channel in TDMA (Time Division Multiple Address, system
04/17/2013CN103051579A Vehicle-mounted wireless transmission system, vehicle-mounted wireless transmission method, transmitter, transmitting method, receiver and receiving method
04/17/2013CN103051578A Evaluating method of OFDM (orthogonal frequency division multiplexing) channel by iterative difference dispersion judgment with ICI (intersubcarrier interference) elimination
04/17/2013CN103051577A Method and system for evaluating residual frequency offset
04/17/2013CN103051576A Modulation method for reducing Chirp signal slope frequency modulation mutual interference
04/17/2013CN103051575A Multi gigabit modem for mmwave point to point links
04/17/2013CN103051571A Doppler shift estimation method for TD-LTE (Time Division Long-Term Evolution) system
04/17/2013CN103051563A Upstream bandwidth allocation scheduling algorithm of O-OFDM (optical orthogonal frequency division multiplexing) access system
04/17/2013CN103051423A Extraction method of soft viterbi decision decoding information under 8PSK (Phase Shift Keying) modulation
04/17/2013CN103051389A Underwater sound voice real-time transmission system for underwater interphone
04/17/2013CN103051367A Clustering-based blind source separation method for synchronous orthogonal frequency hopping signals