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)
08/2010
08/18/2010CN101808059A Single carrier/multi-carrier share receiver
08/18/2010CN101808058A Single carrier/multi-carrier share receiver and signal processing method thereof
08/18/2010CN101808056A Training sequence reconstruction-based channel estimation method and system
08/18/2010CN101808055A Fine symbol synchronization method and device for MB-OFDM UWB system
08/18/2010CN101808054A Implementation method and device for channel estimation
08/18/2010CN101808053A Channel estimation method and device based on OFDM (Orthogonal Frequency Division Multiplexing)
08/18/2010CN101808052A Method for estimating signal-to-noise radio in time division-synchronous code division multiple access and device thereof
08/18/2010CN101807987A Narrowband and broadband telecom system
08/18/2010CN101807980A Apparatus for transmitting and receiving data to provide high-speed data comunication and method thereof
08/18/2010CN101807962A Carrier phase shift detection DOA estimation device
08/18/2010CN101807954A Time domain synchronous frequency division multiple access method for uplink multi-users
08/18/2010CN101807941A Frequency error detecting circuit, frequency error detecting method, and frequency correcting circuit
08/18/2010CN101807938A Pseudo-random noise code tracing circuit and method
08/18/2010CN101286831B Time-delay correcting method and device for carrier channel
08/18/2010CN101262464B Method for reconfiguring quick Fourier conversion in OFDM system
08/18/2010CN101237439B A sub-carrier intercrossed discrete pilot interposition method in OFDM system
08/18/2010CN101217526B An OFDM system carrier interference noise ratio measurement method
08/18/2010CN101155166B Transmission parameter identification device and method thereof
08/18/2010CN101155157B Method and apparatus for processing channel evaluation result based on transformed domain and its receiver
08/18/2010CN101136733B Multi-channel digital automatic gain control device
08/18/2010CN101075829B Method for estimating channel of orthogonal frequency-division multiplexing system
08/18/2010CN101014029B Method for generating OFDM synchronous training sequence and synchronizing method based on the training sequence
08/18/2010CN101005344B Signal transmission method between base station and mobile station
08/18/2010CN101005303B Selective and adaptive modulation method for transmitting antenna in multiple input and multiple output orthogonal frequency division multiplex system
08/17/2010US7778613 Dual conversion receiver with programmable intermediate frequency and channel selection
08/17/2010US7778592 Downstream adaptive modulation in broadband communications system
08/17/2010US7778553 Optical transmitter
08/17/2010US7778369 Multi-carrier transmission device and multi-carrier transmission method
08/17/2010US7778365 Satellite TWTA on-line non-linearity measurement
08/17/2010US7778364 Signal strength estimation system and method
08/17/2010US7778362 Method and device for OFDM channel estimation
08/17/2010US7778360 Demodulating a signal encoded according to ASK modulation and PSK modulation
08/17/2010US7778357 COFDM demodulator
08/17/2010US7778356 Modulator and method for producing a modulated signal
08/17/2010US7778355 Space-time transmit diversity
08/17/2010US7778354 Communicating apparatus, method of calculating set value of orthogonal error compensation and orthogonal error compensation program
08/17/2010US7778350 Multi-carrier communication device, and multi-carrier communication method
08/17/2010US7778349 Method and transmission apparatus for transmitting a bivalent signal
08/17/2010US7778348 Transmitter for suppressing out-of-band power for a signal
08/17/2010US7778347 Power de-rating reduction in a transmitter
08/17/2010US7778346 Upstream power cutback
08/17/2010US7778344 System and method for combining a plurality of signals of various phases having a wide frequency range
08/17/2010US7778341 System and method performing quadrature amplitude modulation by combining co-sets and strongly coded co-set identifiers
08/17/2010US7778340 Accurate channel quality indicator for link adaptation of MIMO communication systems
08/17/2010US7778339 Transmission of a plurality of sub-carriers in an OFDM signal
08/17/2010US7778338 Method and apparatus for estimating timing error and frequency offset of MIMO system
08/17/2010US7778337 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
08/17/2010US7778321 Method for adjusting parameters of equalizer
08/17/2010US7778309 Apparatus and method for canceling interference from neighbor cells in broadband communication system
08/17/2010US7778307 Allocation of control channel for radio resource assignment in wireless communication systems
08/17/2010US7778281 Wireless communication apparatus
08/17/2010US7778210 Bridge circuit to suppress echoes in communication devices
08/17/2010US7778146 M-ary orthogonal keying system
08/17/2010CA2488327C Digital e8-vsb reception system and e8-vsb data demultiplexing method
08/17/2010CA2470546C Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems
08/17/2010CA2362418C Multi-carrier cdma transmission system signal format
08/12/2010WO2010091421A1 Non-scheduled grants in multi-carrier enhanced uplink
08/12/2010WO2010091263A1 Methods and systems for fourier-quadratic basis channel estimation in ofdma systems
08/12/2010WO2010091064A1 Method for transmitting sampled data and control information between a dsp and an rf/analog front-end
08/12/2010WO2010090955A2 System and method for push-to-talk communication in an orthogonal frequency division multiplexed communication system
08/12/2010WO2010090787A1 Two-steps least squares time domain channel estimation for ofdm systems
08/12/2010WO2010090497A2 Method for allocating backhaul link resources in relay communication system, and method & apparatus for transmitting & receiving data using same
08/12/2010WO2010090485A2 Method for transmitting reference signal for terminal demodulation in radio mobile communication system, and apparatus for implementing the same
08/12/2010WO2010090477A2 Device and method supporting multi-carrier waves
08/12/2010WO2010089834A1 Wireless communication apparatus
08/12/2010WO2010089284A2 Uplink power control for multiple component carriers
08/12/2010WO2010088809A1 A multi-carrier separation method and a multi-carrier separation apparatus
08/12/2010WO2010056949A3 Methods and systems using same base station carrier handoff for multicarrier support
08/12/2010WO2010051864A3 Method and system for synchronized mapping of data packets in an atsc data stream
08/12/2010US20100203885 Method of Performing Cell Search for a Wireless Communications System
08/12/2010US20100202785 Quadrature amplitude modulation signal generating device
08/12/2010US20100202775 Method, apparatus and system for high-speed transmission on fiber optic channel
08/12/2010US20100202762 Signal processing apparatus, signal processing method and reproducing apparatus
08/12/2010US20100202574 Spectrum sensing for ofdm signals by utilizing pilot tones
08/12/2010US20100202573 Method and system for an adaptive vblast receiver for wireless multiple input multiple outout (mimo) detection
08/12/2010US20100202572 Llr combining method and apparatus for harq in wireless communication system
08/12/2010US20100202571 Methods and systems for frequency domain gain control in ofdm mimo systems
08/12/2010US20100202570 Method for estimating phase error in MIMO OFDM communications system
08/12/2010US20100202569 Radio receiver
08/12/2010US20100202568 Receiver
08/12/2010US20100202567 Real-time digital quadrature demodulation method and device for ultrasonic imaging system
08/12/2010US20100202566 System and method for improved spur reduction in direct RF receiver architectures
08/12/2010US20100202565 Communication using continuous-phase modulated signals
08/12/2010US20100202564 Zigbee communication apparatus and method for high-speed transmission and reception
08/12/2010US20100202562 Transmission device, reception device and radio communication method
08/12/2010US20100202561 Method and apparatus for modulation and layer mapping in a wireless communication system
08/12/2010US20100202560 Antenna virtualization in a wireless communication environment
08/12/2010US20100202559 Multiplexing and coding schemes for multiple transmit antennas in a wireless communication system
08/12/2010US20100202558 Fast spectral partitioning for efficient encoding
08/12/2010US20100202557 Digital IF Distribution Networks for Radio Communications
08/12/2010US20100202556 Apparatus and method for transmitting and recovering encoded data streams across physical medium attachments
08/12/2010US20100202553 MIMO Precoding Enabling Spatial Multiplexing, Power Allocation and Adaptive Modulation and Coding
08/12/2010US20100202551 Dual Mode Communication Systems And Methods
08/12/2010US20100202550 Scalable system to adaptively transmit and receive including adaptive antenna signal and back-end processors
08/12/2010US20100202549 Multiple input, multiple output wireless communication system, associated methods and data structures
08/12/2010US20100202548 System and Method for Wireless Communications Using Spatial Multiplexing with Incomplete Channel Information
08/12/2010US20100202547 Ofdm reception apparatus
08/12/2010US20100202546 Carrier frequency offset estimation for multicarrier communication systems
08/12/2010US20100202545 Power distribution method and apparatus for OFDM system
08/12/2010US20100202544 Time and frequency channel estimation
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