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)
03/2012
03/14/2012CN102379110A Transmission method and device with symbol time-frequency mapping in sub-channels
03/14/2012CN102378363A Method for performing carrier conversion in multi-carrier technique
03/14/2012CN102378335A Power allocation method and device in multiple input multiple output open loop region
03/14/2012CN102378311A Selection method for serving cell in multi-carrier system and multi-carrier system
03/14/2012CN102378073A Ethernet over cable (EoC) system, and co-cable compatible method for EoC system and existing system
03/14/2012CN102377727A Quadrature receiver and method of compensating for I/Q imbalance using a calibration signal
03/14/2012CN102377726A Timing synchronization method of OFDM (Orthogonal Frequency Division Multiplexing) system
03/14/2012CN102377725A OFDM (Orthogonal Frequency Division Multiplexing) sub-carrier-based optical label processing method and optical packet switching method
03/14/2012CN102377724A Uplink and downlink transmission system based on single-wavelength orthogonal frequency division multiple access (OFDMA) passive optical network
03/14/2012CN102377723A Method of designing reference signal pattern and related communication device
03/14/2012CN102377722A Apparatus and method for co-existence between different radio access technologies
03/14/2012CN102377721A Apparatus and method for calculating receive parameters for an MIMO system
03/14/2012CN102377720A ZC (zone code) sequence detection method and device in high-speed mode
03/14/2012CN102377719A Data symbol orthogonal processing method and device
03/14/2012CN102377718A Automatic gain control method and device
03/14/2012CN102377717A System and method for indicating control channel transmission format
03/14/2012CN102377716A Pre-compensation method and device for descending frequency offset of orthogonal frequency division multiple access (OFDMA) communication system
03/14/2012CN102377715A Method and apparatus for sampling clock synchronization
03/14/2012CN102377714A Method and device for enhancing uplink sounding reference signal
03/14/2012CN102377713A Data transmission method, system and device
03/14/2012CN102377712A Method and apparatus for detection on secondary synchronization signal
03/14/2012CN102377711A Method for synchronizing OFDM (Orthogonal Frequency Division Multiplexing) wireless terminals
03/14/2012CN102377710A OFDM receiver sampling clock deviation and residual frequency offset estimation method
03/14/2012CN102377709A Low rate, direct conversion FSK radio-frequency signal receiver
03/14/2012CN102377708A Modem and power supply management method thereof
03/14/2012CN102377701A Channel estimation method and system based on cyclic correlation
03/14/2012CN102377700A Method for estimating In-phase/Quadrature (I/Q) unbalance of transmitting end and receiving end
03/14/2012CN102377551A Processing method and system for determining mapping between relative grant and absolute grant by node B
03/14/2012CN102377545A Relative grant value mapping relation determination method and apparatus thereof
03/14/2012CN102377514A Scrambling code initial value generation method for channel state information reference signal and equipment
03/14/2012CN102377512A Method and device for de-interleaving uplink channel
03/14/2012CN102377511A Method and device for transmitting control information
03/14/2012CN102377509A Control information transmitting method, control information receiving method and control information receiving equipment
03/14/2012CN102377491A Planar optical waveguide type differential quadrature phase shift keying demodulator
03/14/2012CN102377474A Mobile terminal Doppler frequency shift adjusting method and apparatus thereof
03/14/2012CN102376138A Wired terminal device
03/14/2012CN101951310B Method and apparatus in a base station for transmitting data on the DC tone of a multi-carrier communication system with a predetermined timing pattern
03/14/2012CN101605116B Method for forming guard intervals of frame structure and method and device for reconstructing circular convolution
03/14/2012CN101499987B Low complexity general time frequency transformation implementing method and hardware implementing architecture
03/14/2012CN101390357B Transmission method with optimal power allocation emitted for multicarrier transmitter
03/14/2012CN101360081B Wireless base station, mobile station, wireless communication system, and wireless communication method
03/14/2012CN101248638B Methods and apparatus for transmitting signals in a multicarrier system
03/14/2012CN101248608B Mimo-ofdm transmission device and mimo-ofdm transmission method
03/14/2012CN101103606B Improved method and device of clipping of transmission signal
03/14/2012CN101018105B A classified modulating mobile digital multimedia broadcast signal transmission system and method
03/13/2012US8135097 Sequential tracking and offline demodulation in receiver
03/13/2012US8135095 Enhanced VSB viterbi decoder
03/13/2012US8135094 Receiver I/Q group delay mismatch correction
03/13/2012US8135093 Carrier frequency offset estimation method and system
03/13/2012US8135089 Digital transmission apparatus
03/13/2012US8135088 Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
03/13/2012US8135086 Cable reduction
03/13/2012US8135082 High-order modulation-based burst mapping method and apparatus in a mobile communication system
03/13/2012US8135081 System and method for reducing peak-to-average power ratio for multi-carrier communication systems
03/13/2012US8135059 System for, and method of, processing quadrature amplitude modulated signals
03/13/2012US8135058 Adaptive known signal canceller
03/13/2012US8134991 Method of and an apparatus for effecting a smooth transition between adjacent symbol bursts transmitted in different modulation formats
03/13/2012US8134980 Transmittal of heartbeat signal at a lower level than heartbeat request
03/13/2012US8134976 Channel calibration for a time division duplexed communication system
03/13/2012US8134911 OFDM-based device and method for performing synchronization in the presence of interference signals
03/13/2012CA2752316A1 Decision feedback equalizer and transceiver
03/13/2012CA2686941C Method for transmitting control information, and method for generating codeword for the same
03/13/2012CA2660733C Signaling transmission with localized spreading for wireless communication
03/13/2012CA2542270C Receiver spatial processing for eigenmode transmission in a mimo system
03/13/2012CA2474897C Gaussian fsk modulation with more than two modulation states
03/13/2012CA2465737C Frequency tracking using pilot and non-pilot symbols
03/13/2012CA2223504C Direct sequence frequency ambiguity resolving receiver
03/08/2012WO2012031255A2 Methods and apparatus for encoding and transmitting mobile device location information
03/08/2012WO2012031012A1 Guard interval signaling for data symbol number determination
03/08/2012WO2012030606A2 Adaptation circuitry and methods for decision feedback equalizers
03/08/2012WO2012030319A2 System and method for controlling combined radio signals
03/08/2012WO2012030301A1 A method, apparatus and computer program product for identifying frequency bands, and a method, apparatus and computer program product for evaluating performance
03/08/2012WO2012030263A1 Method and arrangement for resource allocation for coded multidirectional relaying
03/08/2012WO2012030197A2 Method and device for deciding location of terminal in a wireless communication system
03/08/2012WO2012030104A2 Method and device for transmitting control information in a wireless communication system
03/08/2012WO2012030100A2 Method and device for relay node retransmitting backhaul uplink to base station in a wireless communication system
03/08/2012WO2012029613A1 Digital filter device, digital filtering method, and control program for digital filter device
03/08/2012WO2012028808A1 Method and system for transmitting data by nonlinear carrier waves
03/08/2012WO2012028086A1 Method and device for modulation
03/08/2012WO2012027897A1 Phase offset compensator
03/08/2012WO2012027880A1 Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction
03/08/2012WO2012027793A1 Channel estimation in a multi-user mimo-ofdm system in the presence of user terminal symbol-specific phase offsets
03/08/2012WO2012008804A3 Method and apparatus for transmitting reception confirmation response of user equipment in wireless communication system
03/08/2012WO2011155791A3 Method and apparatus for transmitting csi-rs and data using partial muting of csi-rs
03/08/2012WO2011141879A3 Modulation of signals
03/08/2012WO2011132970A3 Method of reducing peak-to-average power ratio, cubic metric and block error rate in ofdm systems using network coding
03/08/2012WO2011126341A3 Signal transmission method and apparatus using codebook in wireless communication system supporting multiple antennas
03/08/2012WO2011122903A3 Method and apparatus for transmitting uplink control information
03/08/2012US20120060075 Techniques for ul mu mimo signaling and error handling
03/08/2012US20120057884 Method, apparatus, and system for feedback control of coherent receiver
03/08/2012US20120057883 Method for data processing in an optical network component and optical network component
03/08/2012US20120057664 Method and apparatus for symbol timing recovery
03/08/2012US20120057663 Terminal State Management in a Telecommunications Network
03/08/2012US20120057662 Bit change determination method and bit change determination device
03/08/2012US20120057661 MIMO OFDM System
03/08/2012US20120057660 Mimo wireless system with diversity processing
03/08/2012US20120057659 Communication terminal and method and program for controlling the same
03/08/2012US20120057658 Authenticating a Signal Based on an Unknown Component Thereof
03/08/2012US20120057657 Precoded Data Receiver
03/08/2012US20120057655 Polar Transmitter Suitable for Monolithic Integration in SoCs
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