Patents for H04L 27 - Modulated-carrier systems (89,721)
04/2011
04/20/2011CN102027724A Spatial mapping of an OFDM signal to reduce attenuation from an individual transmit antenna in a MIMO transmitter
04/20/2011CN102026397A Data demodulation method and equipment for physical random access channel
04/20/2011CN102026337A Method and device for resource element mapping
04/20/2011CN102026278A Method and device for detecting E-HICH
04/20/2011CN102025682A All-optical OFDM (orthogonal frequency division multiplexing) system transmitter device, OFDM system and method for processing signals
04/20/2011CN102025681A Sideband information transmission method of SLM (selective mapping method) and PTS (partial transmit sequences) in OFDM (orthogonal frequency division multiplexing) system reduce peak average ratio technology
04/20/2011CN102025680A Speed estimating method and speed estimating device
04/20/2011CN102025679A Coaxial network communication node and methods for communicating multimedia over a coaxial network with reduced-length cyclic prefixes
04/20/2011CN102025678A Channel estimation method, device and related detection system
04/20/2011CN102025677A Method for transmitting pilot signal in multi-carrier wireless transmission system
04/20/2011CN102025676A Method and device for realizing 1536-point FFT/IFFT
04/20/2011CN102025675A Method and device for reducing peak clipping noise interference
04/20/2011CN102025674A Method and device for relieving clipping noise interference
04/20/2011CN102025673A Signal processing method, and receiving equipment as well as sending equipment thereof
04/20/2011CN102025672A Pilot frequency-based method for performing OFDM residual phase tracking
04/20/2011CN102025671A Time domain combined estimate method for time coarse synchronization and frequency precise synchronization
04/20/2011CN102025670A Residual carrier frequency offset tracking method applied to mobile multimedia broadcasting system
04/20/2011CN102025669A Short-wave data transmission method based on dual multisystem quasi-orthogonal spread-spectrum composite phase modulation
04/20/2011CN102025668A High-speed method and device thereof for modulating multi-system light with minimum-frequency by shift keying
04/20/2011CN102025666A Method and device for realizing IQ signal correction in base station transmitter equipment
04/20/2011CN102025663A Estimation method and device of orthogonal frequency division multiplexing (OFDM) synchronous position
04/20/2011CN102025662A Channel estimation method and device for MIMO (multiple input multiple output) OFDM (orthogonal frequency division multiplexing) system
04/20/2011CN102025661A Method for adjusting downlink frequency offset of TD-SCDMA system terminal
04/20/2011CN102025479A Sample point interweaving multi-path discrete signal time division multiplexing method
04/20/2011CN102025478A Method and device for transmitting and receiving data
04/20/2011CN102025459A Nonparametric estimation ICA-based MIMO-OFDM system blind deconvolution method
04/20/2011CN102025456A Feedback parameter selecting device and feedback parameter selecting method
04/20/2011CN102025455A Feedback parameter determining device and method
04/20/2011CN102025442A Method and device for transmitting channel quality indication information of multi-user terminals
04/20/2011CN102025426A Method and device for estimating carrier to interference plus noise ratio in orthogonal frequency division multiplexing system
04/20/2011CN102025424A Vector sensor-based orthogonal frequency division multiplexing (OFDM) underwater sound communication method
04/20/2011CN101610572B Method and device for determining Carrier to Interference plus Noise Ratio of down-link data
04/20/2011CN101521759B Coarse synchronizing method of digital television signal and parallel processing method thereof
04/20/2011CN101447969B Channel estimation method of multi-band orthogonal frequency division multiplexing ultra wide band system
04/20/2011CN101404638B Method and apparatus improving efficiency of orthogonal frequency division multiplexing communicator
04/20/2011CN101394390B Spectrum-spread type PDH microwave communication system and method
04/20/2011CN101390355B Efficient bank of correlators for sets of GCL sequences
04/20/2011CN101369898B Meteor trail self-adapting variable-velocity burst modem
04/20/2011CN101340410B Millimeter wave modem
04/20/2011CN101325783B Method, system and apparatus for controlling terminal measurement in multi-carrier communication system
04/20/2011CN101286807B OFDM frequency spectrum distributing method by identifying radio network based on interference of receiver
04/20/2011CN101262461B OFDM modulator
04/20/2011CN101242217B A method, system and device for sending OFDM multi-channel multiplexing symbols
04/20/2011CN101228761B Rearrangement diversity of bit operating relative to reversed constellation mapping
04/20/2011CN101222473B Frequency deviation estimation method and device
04/20/2011CN101202722B Method and device of signal channel estimation
04/20/2011CN101184077B Doppler frequency deviation obtaining method and apparatus
04/20/2011CN101160762B Wireless communication apparatus and wireless communication method
04/20/2011CN101155194B Communication resource distributing indication method and its system and device
04/20/2011CN101141141B Digital communication frequency deviation eliminating method and device using the same
04/20/2011CN101132189B Guard section length detection method and system
04/20/2011CN101128988B Method and apparatus for channel estimation to electro-magnetic wave multi path between sender and receiver by using chirp signal
04/20/2011CN101090385B Space frequency dispatching method
04/20/2011CN101056132B Method and device for processing the base band of the space-time/space frequency/space diversity transmitter
04/20/2011CN101047688B Method and device for estimating signal noise ratio
04/20/2011CN101009541B Disturbance coordination method and device of OFDMA system
04/19/2011USRE42301 Robust signal transmission in digital television broadcasting
04/19/2011US7930711 Apparatus and method for addressing control in a network for distributed data
04/19/2011US7930452 Parallel link electrical and timing parameter specification for output driver and input receiver that selects bandwidth or frequency based on timing parameters
04/19/2011US7929937 System and method for blind estimation of multiple carrier frequency offsets and separation of user signals in wireless communications systems
04/19/2011US7929913 Adaptive receiver architecture
04/19/2011US7929654 Data sampling circuit and method for clock and data recovery
04/19/2011US7929651 Low phase noise recursive direct digital synthesis with automatic gain control gain stabilization
04/19/2011US7929650 AGC for narrowband receivers
04/19/2011US7929649 Analog/digital carrier differentiation in digital cable receivers
04/19/2011US7929648 Clock error detection apparatus and method
04/19/2011US7929647 Emitter pulse detection utilizing adaptive matched filter approach
04/19/2011US7929646 Map decoder with bidirectional sliding window architecture
04/19/2011US7929645 Method and apparatus for channel estimation in OFDM receivers
04/19/2011US7929644 Instant-acquisition clock and data recovery systems and methods for serial communications links
04/19/2011US7929643 Method of estimating fading coefficients of channels and of receiving symbols and relative single or multi-antenna receiver and transmitter
04/19/2011US7929642 Contactless integrated circuit card with real-time protocol switching function and card system including the same
04/19/2011US7929641 Signals reception chain
04/19/2011US7929640 High speed differential encoder and interleaver
04/19/2011US7929638 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
04/19/2011US7929637 Method and apparatus for digital amplitude and phase modulation
04/19/2011US7929635 Communication apparatus and communication method
04/19/2011US7929634 Method and apparatus to select coding mode
04/19/2011US7929632 Apparatus and associated methods to implement a high throughput wireless communication system
04/19/2011US7929628 OFDM receiver and OFDM signal receiving method
04/19/2011US7929627 OFDM receiver, integrated circuit and receiving method
04/19/2011US7929626 Variable power communications including rapid switching between coding constellations of various sizes
04/19/2011US7929621 Terminal demodulation apparatus and method
04/19/2011US7929620 Blind channel estimation in an orthogonal frequency division multiplexing system
04/19/2011US7929618 Multiplier-less data processing techniques and related implementations adapted for use in polar modulator
04/19/2011US7929617 Method and apparatus to generate a continuous phase modulation waveform that is symmetric and periodic
04/19/2011US7929595 Estimating frequency offset at a subscriber station receiver
04/19/2011US7929594 Semiconductor integrated circuit and radio communication apparatus for communication
04/19/2011US7929593 Method and apparatus for successive interference subtraction with covariance root processing
04/19/2011US7929592 Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
04/19/2011US7929590 Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access
04/19/2011US7929498 Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
04/19/2011US7929408 Method and apparatus for joint scheduling to increase frequency efficiency and fairness in a multi-channel distributed antenna system using frequency reuse and common power control
04/19/2011US7929060 Video receiver with reduced power mode
04/19/2011US7928813 Transient noise control for digital RF modulation
04/19/2011CA2317901C Method and apparatus for reducing adjacent channel power in wireless communication systems
04/14/2011WO2011044532A2 Time orthogonalization of reference signals
04/14/2011WO2011044525A2 Efficient signaling for closed-loop transmit diversity
04/14/2011WO2011043617A2 Method and apparatus for transmitting an uplink control signal in a wireless communication system
04/14/2011WO2011043616A2 Method and apparatus for transmitting and receiving multi-user control channels in a wireless communication system with multiple antennas