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)
10/2009
10/21/2009CN101562595A Method and device for jointly estimating frequency deviation and symbol timing deviation
10/21/2009CN101562594A Phase factor combined circuit based on stream line operation
10/21/2009CN101562593A Phase factor combined circuit based on select path
10/21/2009CN101562592A Method for integrating phase factor based on memory unit
10/21/2009CN101562591A I/Q mismatch estimating and compensating method of training sequence based on phase rotation
10/21/2009CN101562590A OFDM signal intelligent receiving system and receiving method
10/21/2009CN101562589A Carrier frequency deviation estimation device and system
10/21/2009CN101562588A Wireless signal transmitting method and transmitter
10/21/2009CN101562587A Wireless transmission method based on subcarrier and device thereof
10/21/2009CN101562502A Physical-layer sub-channel allocation method, emission system and receiving system
10/21/2009CN101562484A Method applicable to measuring channel quality of OFDM system
10/21/2009CN101562476A Design and transmission method for control channel in wireless communication system
10/21/2009CN101562462A Method for constructing and distributing training sequence with zero interference window and channel estimator thereof
10/21/2009CN101562458A Transmission device, communication system, transmission method and program
10/21/2009CN100553357C Method for decreasing same channel interference between users of upper FDMA cellular system
10/21/2009CN100553249C Method for cancelling interference realized in frequency region for WCDMA straight-station system
10/21/2009CN100553248C A multi-mode automatic recognition method for multi-mode training sequence filling system
10/21/2009CN100553247C Accurate method for estimating frequency deviation of inseting constant pilot carrier in orthogonal frequency division multiplex system
10/21/2009CN100553246C Method for single path detecting for inputting signal phase difference and relative amplitude
10/21/2009CN100553245C Quick Fourier transforming processer and quadrature carrier frequency division multi-task demodulator
10/21/2009CN100553244C Method for lowering peak-flat ratio of low complexity orthogonal frequency division duplex communication system
10/21/2009CN100553243C Self-adaptive beam shaping method of beam space orthogonal FDM medulating system
10/21/2009CN100553187C Emission diversity method for time-domain orthogonal frequency dividing duplexing system
10/21/2009CN100553186C OFDM channel estimation and tracking for multiple transmit antenna
10/21/2009CN100553181C Method for configuring channel of CDMA system and telecommunication equipment
10/21/2009CN100553180C TDS-OFDM receiver self-adaptive channel estimation balancing method and system
10/21/2009CN100553175C Carrier track loop adaptive for digital television terrestrial broadcasting
10/21/2009CN100553166C Channel estimation method based on particle filtering
10/21/2009CN100552571C Wireless timepiece
10/20/2009USRE40942 Integrated digital signal processor/general purpose CPU with shared internal memory
10/20/2009US7606545 Portable radio terminal and AFC control method
10/20/2009US7606537 System and method for transmitting data via wave reflection
10/20/2009US7606337 Enhancing signals
10/20/2009US7606336 Viterbi decoder using circulation type decoding units connected in parallel
10/20/2009US7606335 Signal pulse detection scheme for use in real-time spectrum analysis
10/20/2009US7606333 Method and device for frame detection and synchronizer
10/20/2009US7606332 Variable signal delaying circuit, quadrature frequency converter and radio frequency tuner
10/20/2009US7606331 Frequency offset compensation in radio receiver
10/20/2009US7606330 Dual-rate single band communication system
10/20/2009US7606328 Common signal generation for an RF receiver
10/20/2009US7606326 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
10/20/2009US7606321 System and method for simplifying analog processing in a transmitter incorporating a randomization circuit
10/20/2009US7606320 Apparatus and method for space-frequency block coding/decoding in a communication system
10/20/2009US7606317 Channel optimization system
10/20/2009US7606316 MIMO-OFDM preamble for channel estimation
10/20/2009US7606315 Line sensor selection for quantifying alien crosstalk in a shared communications medium
10/20/2009US7606293 Bidirectional turbo ISI canceller-based DSSS receiver for high-speed wireless LAN
10/20/2009US7606207 User equipment and base station performing data detection using a scalar array
10/20/2009US7606196 Radio communication system, radio communication method, and transmitter apparatus and receiver apparatus suitable for use in the same
10/20/2009US7606138 Multi-symbol encapsulated OFDM system
10/20/2009CA2652880C Communication system
10/20/2009CA2497429C Method and apparatus for frequency correction in wireless local area network systems
10/20/2009CA2442400C Power division multiplexing with incoherent signals and fixed power hierarchy
10/15/2009WO2009126440A1 Physical layer frame format for wideband wireless communications systems
10/15/2009WO2009126107A1 Pilot design using costas arrays
10/15/2009WO2009125978A2 A method for designing mini resource unit and transmission for a distributed resource unit in consideration of space frequency block code
10/15/2009WO2009125323A1 Power amplifying unit and method for controlling a power amplifier unit
10/15/2009WO2009124961A1 Method and device for phase recovery and communication system comprising such device
10/15/2009WO2009124953A1 Methods and arrangements for estimating iq-imbalance
10/15/2009WO2009124513A1 A resource block based pilot pattern design for 1/2-stream mimo ofdma systems
10/15/2009WO2009124454A1 Method for determining pilot patterns for mobile terminals in the base station of a multi-carrier multi-input multi-output (mimo) system
10/15/2009WO2009124389A1 System and method for programmable pre-amplification of a signal
10/15/2009WO2009124377A1 A system and method for utilizing spectral resources in wireless communications
10/15/2009WO2009103746A4 Coded modulation with interleaving of the i and q pathways and optimized rotation
10/15/2009WO2008018761A3 Method of estimating signal-to-noise ratio, method of adjusting feedback information transmission, adaptive modulation and coding method using the same, and transceiver thereof
10/15/2009US20090257542 Dual loop clock recovery circuit
10/15/2009US20090257534 Frequency Offset Estimating Apparatus and Estimating Method Thereof
10/15/2009US20090257533 System and method of receiving and processing multicommunication signals
10/15/2009US20090257532 Determining Burst Transmission Signals
10/15/2009US20090257531 Sampling filter apparatus and wireless communication apparatus
10/15/2009US20090257530 Radius adaptive sphere decoding with probabilistic noise constraint
10/15/2009US20090257528 Quadrature modulation without carrier
10/15/2009US20090257527 Transmission circuit, transmission method, and use
10/15/2009US20090257526 Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain
10/15/2009US20090257524 Multi-Tone Transmission
10/15/2009US20090257523 Pseudorandom sequence generation for ofdm cellular systems
10/15/2009US20090257520 Pilot pattern design for small size resource block in OFDMA systems
10/15/2009US20090257518 Methods for sending and receiving a multicarrier signal comprising a preamble comprising data elements, corresponding devices and computer products
10/15/2009US20090257517 Wireless communication methods and receivers for receiving and processing multiple component carrier signals
10/15/2009US20090257515 Transmission method of wireless signal and transmitter using the same
10/15/2009US20090257483 Dual correlation frame synchronization system and method
10/15/2009US20090257477 Method and Apparatus for Successive Interference Subtraction with Covariance Root Processing
10/15/2009US20090257476 Transmission device, comunication system, transmission method and program
10/15/2009US20090257454 Ofdm transmitter with adaptive bit interleaver for adaptive bit loading and method for ofdm communications
10/15/2009US20090257443 Ofdm communication system and method having a reduced peak-to-average power ratio
10/15/2009US20090257406 Reduction of transmission overhead in a wireless communication system
10/15/2009US20090257393 Techniques to manage channel prediction
10/15/2009US20090257389 Method and apparatus for efficient scheduling in broadband wireless access networks
10/15/2009US20090257366 Frame structure for a wireless communication system
10/15/2009US20090257342 Resource block based pilot pattern design for 1/2 - stream mimo ofdma systems
10/15/2009DE102008017644A1 Vorrichtung und Verfahren zur Übertragung eines optischen Datensignals Apparatus and method for transmitting an optical data signal
10/15/2009CA2721059A1 Pilot design using costas arrays
10/14/2009EP2109274A1 OFDM transmitter and OFDM receiver
10/14/2009EP2109273A1 Methods and arrangements for estimating IQ-imbalance
10/14/2009EP2109272A1 Method and device for phase recovery and communication system comprising such device
10/14/2009EP2109211A1 System and method for determining position or speed of a commutaded DC motor with error correction
10/14/2009EP2108227A1 Method of transmitting control signals in wireless communication system
10/14/2009EP2108226A1 Method and apparatus for impairment correlation estimation in multi-antenna receivers
10/14/2009EP2108225A1 Communication method and device
10/14/2009CN101558622A Signal control device and signal control method
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