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)
06/2014
06/04/2014CN103841075A Method, device and system for modulation mapping, and method and device for demapping
06/04/2014CN103841074A Ultra wideband receiver synchronization method based on FPGA parallel processing
06/04/2014CN103841073A High efficiency adaptive rf transmitter
06/04/2014CN103841072A Method and device for detecting preamble in data received by PRACH
06/04/2014CN103841071A Method for channel extermination in wireless communication system
06/04/2014CN103841070A Concept for transmitting and receiving an information symbol
06/04/2014CN103841069A Electronic device used for remote communication, receiver and relative control method
06/04/2014CN103841067A Equilibrium method of communication signals of underwater acoustic channel
06/04/2014CN103841065A Non-orthogonal multi-user access and sending and combined receiving, demodulation and coding system and method
06/04/2014CN103841059A Multi-band digital intermediate frequency processing device and method
06/04/2014CN103841058A Method and apparatus for determining EVM (error vector magnitude)
06/04/2014CN103840931A Data transmission method and device in time-division duplex TDD guard band
06/04/2014CN103840926A Data modulation in a communication system
06/04/2014CN103840909A Method for improving demodulation correctness
06/04/2014CN103840896A Measurement of IQ imbalance in a vector modulator
06/04/2014CN103840892A Underwater communication system for transmitting transducer
06/04/2014CN103840866A Distributed beam forming method and system
06/04/2014CN102474312B Method and equipment for multiple-input multiple-output (MIMO) channels information feedback in multiple cells
06/04/2014CN102474284B Method and apparatus for compensating for transceiver impairments
06/04/2014CN102439929B Modulating method and modulating equipment for OFDM signal
06/04/2014CN102427440B Photon-assisted multi-channel compression sampling (CS) system and method
06/04/2014CN102405625B System and method for push-to-talk communication in an orthogonal frequency division multiplexed communication system
06/04/2014CN102404083B Power allocation method for space-time block code orthogonal frequency division multiplexing and device thereof
06/04/2014CN102377725B OFDM (Orthogonal Frequency Division Multiplexing) sub-carrier-based optical label processing method and optical packet switching method
06/04/2014CN102377701B Channel estimation method and system based on cyclic correlation
06/04/2014CN102340467B Method for calibrating mismatched modem
06/04/2014CN102333060B Frequency domain expression method for generating ZC sequence
06/04/2014CN102256301B User selection method for simultaneously meeting unicast and multicast services
06/04/2014CN102118331B Symbol de-mapping methods in multiple-input multiple-output systems
06/04/2014CN102111375B Method and device for eliminating co-channel interference in quadrature amplitude modulation signals
06/04/2014CN102104982B Method and device for reconnecting multi-carrier system
06/04/2014CN102065054B Scrambling transmission method and device
06/04/2014CN102057732B Method and arrangement in a cellular communications system
06/04/2014CN102035772B Multi-carrier-based blind detection method and user equipment (UE)
06/04/2014CN101986800B A physical layer convergence protocol (PLCP) packet structure for multiple-input-multiple-output (MIMO) communication systems
06/04/2014CN101971551B A flexible structure for multiple-subcarrier joint modulation OFDM transmitters
06/04/2014CN101946427B Method of communication using frame
06/04/2014CN101931434B Network data conversion device based on power line carrier communication and conversion method thereof
06/04/2014CN101843063B Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal
06/04/2014CN101843008B Network encoding method and network encoding apparatus
06/04/2014CN101414992B Wireless communication method in MIMO system, base station and MIMO wireless communication system
06/04/2014CN101103538B Communication device, multi-band reception device, and reception device
06/03/2014USRE44928 Method for receiving control information in orthogonal frequency division multiplexing system of mobile communication system
06/03/2014USRE44927 Transmission format indication and feedback in multi-carrier wireless communication systems
06/03/2014US8744084 Methods, systems, and computer readable media for scrambled communication of data to, from, or over a medium
06/03/2014US8744022 Glitch mitigation in a radio receiver
06/03/2014US8744021 Systems, methods, and devices for improving signal quality
06/03/2014US8744020 Frequency offset estimation
06/03/2014US8744018 Early termination schemes for turbo decoding in a wireless communication system
06/03/2014US8744017 Demapping for hierarchical Quadrature Amplitude Modulation
06/03/2014US8744016 Receiving apparatus and receiving method
06/03/2014US8744015 Message decoding for discretized signal transmissions
06/03/2014US8744014 Method and apparatus for coordinated MIMO signal transmission among multiple cells in wireless OFDM systems
06/03/2014US8744006 Transmit diversity for pre-coded radio control signals
06/03/2014US8744005 Method and apparatus for generating modulation signals
06/03/2014US8744004 High power pulse generator
06/03/2014US8744001 Multimode transmitter apparatus
06/03/2014US8744000 Method, apparatus, and system for diversity transmission and reception
06/03/2014US8743999 Digital signal processor, communication device, communication system and method for operating a digital signal processor
06/03/2014US8743998 Device for generating codebook, method for generating codebook, and method for transmitting data
06/03/2014US8743997 Method and apparatus for improving throughput and error performance of rateless coding systems
06/03/2014US8743987 Symbol detection for alleviating inter-symbol interference
06/03/2014US8743983 Bearing determination using signals transformed into frequency domain
06/03/2014US8743981 Modulation method and apparatus
06/03/2014US8743980 Method of designing reference signal pattern and related communication device
06/03/2014US8743979 Method for precoding and decoding distributing MIMO channels in relay-based DF cooperative wireless networks
06/03/2014US8743978 Methods for transmitting and receiving a multicarrier signal comprising a guard interval, corresponding computer program products, transmitting and receiving devices, and signal
06/03/2014US8743976 Techniques and systems for communications based on time reversal pre-coding
06/03/2014US8743971 Digital television system
06/03/2014US8743944 Decision feedback equalizing method and equalizer
06/03/2014US8743942 Demodulation using serial localization with indecision
06/03/2014US8743931 Systems and methods for a transceiver to transmit or receive test information over a communication channel using multicarrier modulation
06/03/2014US8743862 High speed overlay mode for burst data and real time streaming (audio) applications
06/03/2014US8743840 Radiotelephony network with multi-carrier packet data transmission
06/03/2014US8743837 Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
06/03/2014US8743813 Method for transmitting reference signals
06/03/2014US8743729 Multi-carrier communications with adaptive cluster configuration and switching
06/03/2014US8743717 Multi-carrier communications with adaptive cluster configuration and switching
06/03/2014US8743675 Communication device for receiving and transmitting OFDM signals in a wireless communication system
05/2014
05/30/2014WO2014081938A1 Crest factor reduction for signals with dynamic power and frequency distribution
05/30/2014WO2014081571A1 Apparatus and methods for equalization
05/30/2014WO2014081359A1 Methods and apparatuses for radio resource management
05/30/2014WO2014081241A1 Method for transceiving control signal, and apparatus therefor
05/30/2014WO2014079712A1 A method for generating an ofdm data signal
05/30/2014WO2014079133A1 Synchronization assisting method compatible with gps, bd2 and glonass systems
05/29/2014US20140147112 Transmission device, transmission method, and communication system
05/29/2014US20140147111 Level Equalization to Compensate for Implementation Impairments in Optical Communication Systems with High-Order Modulations
05/29/2014US20140146967 Secure Modulation and Demodulation
05/29/2014US20140146925 Method and apparatus for iteratively detecting and decoding signal in communication system with multiple-input and multiple-out (mimo) channel
05/29/2014US20140146923 Method for Demodulating the HT-SIG Field Used in WLAN Standard
05/29/2014US20140146920 Mixer with iq gain-phase calibration circuit
05/29/2014US20140146919 High efficiency adaptive rf transmitter
05/29/2014US20140146914 Digital to Analog Converter Comprising Mixer
05/29/2014US20140146912 Method and apparatus for reducing interference in space frequency block coding communication
05/29/2014US20140146903 Resource allocation method and base station in orthogonal frequency division multiplexing system
05/29/2014US20140146901 Digital transmitter
05/29/2014US20140146772 Wireless communication system using pilot subcarrier allocation
05/29/2014US20140146752 Layer shifting in open loop multiple-input, multiple-output communications
05/28/2014EP2736242A1 Optimizing power consumption in a communication system
05/28/2014EP2736211A2 Measurement of iq imbalance in a vector modulator
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