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)
09/2012
09/19/2012CN101800720B Fast Fourier transformation processor
09/19/2012CN101795255B OFDM system carrier frequency offset estimation method and system based on pilot frequency
09/19/2012CN101632254B Signaling transmission and reception in wireless communication systems
09/19/2012CN101627597B Resource allocation method and system
09/19/2012CN101557240B Method and device for frequency deviation estimation in mobile communication system
09/19/2012CN101442337B Method for estimating channel of multi-aerial system by intermediate code
09/19/2012CN101350689B Double-quadrature scrambling modulation transmission method
09/18/2012USRE43670 Single-carrier to multi-carrier wireless architecture
09/18/2012USRE43667 System for multiple use subchannels
09/18/2012US8270545 Methods and systems using fine frequency tracking loop design for WiMAX
09/18/2012US8270544 Combining soft decisions in a weather band radio
09/18/2012US8270543 Scaling and quantization of soft decoding metrics
09/18/2012US8270542 Method for evaluating quality of read signal and apparatus for reading information
09/18/2012US8270541 Method for recovering a bit stream from a radio signal
09/18/2012US8270540 Access code detection and DC offset-interference correction
09/18/2012US8270539 Decoding of bi-phase encoded data
09/18/2012US8270534 Method and apparatus for signal quality estimation
09/18/2012US8270533 Transmitter/receiver and data transmission/reception method in communication system
09/18/2012US8270531 Data transmissions in a mobile communication system employing diversity and constellation rearrangement of a 16 QAM scheme
09/18/2012US8270528 Packet detection, synchronization, and frequency offset estimation
09/18/2012US8270527 SC-QOSTFBC codes for MIMO transmitters
09/18/2012US8270522 Joint channel estimation and modulation detection
09/18/2012US8270521 Communication apparatus and communication method
09/18/2012US8270514 Communication device
09/18/2012US8270513 Fully saturated multi-tone transceiver
09/18/2012US8270511 Methodology and method and appartus for signaling with capacity optimized constellations
09/18/2012US8270510 Apparatus and method for time synchronization and reception apparatus of OFDM system
09/18/2012US8270503 Digital radio mondiale receiver integer carrier frequency offset estimation
09/18/2012US8270501 Clocking architectures in high-speed signaling systems
09/18/2012US8270500 Method of selecting a modulation and coding scheme based on adjusted channel quality values
09/18/2012US8270499 Receiver with balanced I/Q transformer
09/18/2012US8270427 Radio communication apparatus and radio transmission method
09/18/2012US8270393 Method for shaping spectrum of output signal, and a remote access device
09/18/2012US8270335 Arbitration for time division multiple access using delta sigma modulation
09/18/2012US8269571 Amplitude modulated pulse transmitter
09/18/2012US8269569 Test apparatus for digital modulated signal
09/16/2012CA2771480A1 Quadrature communications device with i antennas and q antennas and modulated power supply and related methods
09/13/2012WO2012122545A1 Waveform scaling in wireless transmitters
09/13/2012WO2012122380A1 Radio frequency access control system and method
09/13/2012WO2012122252A2 Generation of soft bit metrics for differentially encoded quadrature phase shift keying (qpsk)
09/13/2012WO2012122119A1 Systems and methods for wireless communication in sub gigahertz bands
09/13/2012WO2012121757A1 Opportunistic carrier aggregation for dynamic flow switching between radio access technologies
09/13/2012WO2012119563A1 Method and system for carrier aggregation in wireless communication system
09/13/2012WO2012119404A1 Method and device for detecting terminal capability, base station and terminal
09/13/2012WO2012119402A1 Method for phase and oscillator frequency estimation
09/13/2012WO2012119337A1 Method, device and system for estimating channels and inserting pilots in mimo system
09/13/2012WO2012119178A1 Arbitrary sample rate conversion for communication systems
09/13/2012WO2012067459A3 Method for transmitting control information and a device therefor
09/13/2012US20120230453 Channel estimation and symbol boundary detection method
09/13/2012US20120230452 Wireless receiving apparatus
09/13/2012US20120230451 Dc offset estimation device and dc offset estimation method
09/13/2012US20120230449 Wireless sending apparatus, wireless sending method, storage medium and baseband circuit
09/13/2012US20120230448 Method and apparatus for transmitting data in very high throughput wireless local area network system
09/13/2012US20120230447 Waveform scaling in wireless transmitters
09/13/2012US20120230446 Method and Apparatus for Incorporating a WirelessHART-Enabled Device into a Wired HART Network
09/13/2012US20120230445 Reception device, reception method, and reception program
09/13/2012US20120230443 Mu-mimo transmission method in wireless lan system
09/13/2012US20120230442 Multi-Transceiver System with MIMO and Beam-Forming Capability
09/13/2012US20120230386 Receiver and method for equalizing signals
09/13/2012US20120230385 Narrowband ingress estimation and characterization using equalizer taps
09/13/2012US20120230384 Storage device, electronic device, and frequency band compensation level adjusting method
09/13/2012US20120230383 Linear distortion and interference estimation using decision feedback equalizer coefficients
09/13/2012US20120230382 Systems and methods for providing integrated financial calculations and action plans
09/13/2012US20120230381 Transceiver system and associated methods and systems
09/13/2012US20120230374 Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion
09/13/2012US20120230285 Method and apparatus for transmitting and receiving control channels by restricting a set of the control channels in a wireless communication system
09/13/2012US20120230234 Communication apparatus, communication system, and communication method
09/13/2012US20120230233 Closed-loop mimo systems and methods
09/13/2012US20120230181 Aircraft Communication Bus Fault Isolator Apparatus and Method
09/13/2012US20120229307 Low power wireless short range transmission system
09/13/2012DE102008012347B4 Entfernungsmessvorrichtung, Positionsbestimmungsvorrichtung und Verfahren zum Messen einer Entfernung und zum Bestimmen einer Position Distance measuring device, position determination apparatus and method for measuring a distance and for determining a position
09/13/2012DE102007044627B4 Frequenzsynthesizer und Verfahren Frequency synthesizer and method
09/13/2012DE10163407B4 Verbesserungen bei der Datenübertragung Improvements in the data transmission
09/13/2012CA2828069A1 Radio frequency access control system and method
09/12/2012EP2498466A1 Carrier wave reproduction circuit and demodulation circuit of semi-synchronous detection system
09/12/2012EP2498465A2 Method for mapping and transmitting demodulation reference signal (dm-rs), communication terminal device using same, apparatus for transmitting dm-rs, and method for receiving dm-rs
09/12/2012EP2498429A2 Method, apparatus, and system for time synchronization
09/12/2012EP2498428A2 Method, apparatus, and system for time synchronization
09/12/2012EP2498409A1 Method, apparatus and system for downlink pilot transmission
09/12/2012EP2497241A2 Method and apparatus for interferer parameter estimation using multiple receiver arbitration
09/12/2012EP2497239A1 Method and device for mono- and multi-antenna reception for alamouti-type links
09/12/2012EP2497236A2 Frame structure for support of large delay spread deployment scenarios
09/12/2012EP2497200A1 Method and arrangement for self interference cancellation in a relay
09/12/2012EP2497188A1 Digital affine transformation modulated power amplifier for wireless communications
09/12/2012CN202435432U Realizing circuit of synchronized method in single-carrier-wave frequency domain balancing system
09/12/2012CN102668644A Systems and methods for transmitting channel quality information in wireless communication systems
09/12/2012CN102668484A Complex condition determination unit, transmission device, complex condition determination method
09/12/2012CN102668483A Iq-imbalance estimation for non-symmetrical pilot symbols
09/12/2012CN102668482A Method and apparatus for performing HARQ in a wireless communication system
09/12/2012CN102668481A Wireless communication device, wireless communication system, and wireless communication method
09/12/2012CN102668480A Analog bias control for packet communication systems
09/12/2012CN102668468A Frame structure for support of large delay spread deployment scenarios
09/12/2012CN102665265A RNC for 3GPP time-division duplex communication system, receiving station and executing method thereof
09/12/2012CN102665264A Wireless transmit receive unit and method for transmission power control
09/12/2012CN102664862A Soft demodulating method for multi-system quadrature amplitude modulation signal without equalizer
09/12/2012CN102664861A Method for improving ultralow-power-consumption wireless communication transmission spectral efficiency
09/12/2012CN102664860A Method and device for modulating and demodulating single side band multi-carrier transmission signal
09/12/2012CN102664859A Synchronization and channel estimation scheme for multi-band orthogonal frequency division multiplexing (OFDM) ultra wideband receiver
09/12/2012CN102664858A Combined method for reducing peak-to-average ratio of OFDM (orthogonal frequency division multiplexing) system and tracking carrier frequency
09/12/2012CN102664857A Limited feedback multiuser grouping method for use in ultrahigh-speed short-distance wireless access system
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