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)
10/2012
10/24/2012CN101777953B Light double-sideband modulation device and method for transmitting two paths of signals
10/24/2012CN101719891B Signal-to-noise ratio estimation method
10/24/2012CN101702696B Implement method and device of channel estimation
10/24/2012CN101562595B Method and device for jointly estimating frequency deviation and symbol timing deviation
10/24/2012CN101552622B Method and device to estimate the frequency deviation in TD-CDMA access system
10/24/2012CN101455008B Frequency offset correction for an ultrawideband communication system
10/24/2012CN101421958B Method for allocating reference signals in mimo system
10/24/2012CN101166168B Peak factor reduction unit and baseband signal processing device
10/23/2012US8295414 Device for gain control and method for receiving signal
10/23/2012US8295413 Doppler frequency estimating device, receiving device, recording medium and Doppler frequency estimating method
10/23/2012US8295410 Exploiting known padding data to improve block decode success rate
10/23/2012US8295409 Signal modulation classification device using distributed sensors
10/23/2012US8295408 Receiving apparatus and method for signal detection
10/23/2012US8295407 Decoding method and apparatus for infrared remote control commands
10/23/2012US8295406 Universal platform module for a plurality of communication protocols
10/23/2012US8295405 Apparatus and method for I/Q mismatch calibration
10/23/2012US8295401 Method and apparatus for implementing space time processing with unequal modulation and coding schemes
10/23/2012US8295400 Receiving method and apparatus, and communication system using the same
10/23/2012US8295399 Transmission apparatus, reception apparatus and digital radio communication method
10/23/2012US8295398 Data re-transferring method based on bit transformation
10/23/2012US8295391 Transmission method and transmission apparatus
10/23/2012US8295390 Communications device and communications method
10/23/2012US8295389 Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
10/23/2012US8295388 Efficient digital upconverter
10/23/2012US8295387 Method of codification and decodification with at least two pairs of orthogonal sequences
10/23/2012US8295386 Nonlinear filter and transmission circuit
10/23/2012US8295376 Method of estimating the symbols of a digital signal and receiver for implementing said method
10/23/2012US8295371 Multi-carrier receiver for wireless communication
10/23/2012US8295370 Method and arrangement for improved link quality control
10/23/2012US8295369 Far-end crosstalk canceling method and device, and signal processing system
10/23/2012US8295362 Method and system for redundancy-based decoding of video content
10/23/2012US8295341 Cognitive radio device
10/23/2012US8295332 Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
10/23/2012US8295301 Managing coexistence among signaling protocols on a shared medium
10/23/2012US8295249 Block size detection for MPSK signaling
10/23/2012US8295154 Signaling method in an OFDM multiple access system
10/21/2012CA2785227A1 Phase error compensation arrangement and phase error compensation method
10/19/2012CA2775202A1 System and method for providing video on demand over a quadrature amplitude modulation network
10/18/2012WO2012142612A1 Systems and methods for range extension of wireless communication in sub-gigahertz bands
10/18/2012WO2012142561A2 Methods and systems for communicating
10/18/2012WO2012142150A1 Adaptive guard interval for wireless coexistence
10/18/2012WO2012141656A1 Analog-to-digital converter
10/18/2012WO2012141054A1 Wireless communication system, mobile station apparatus and base station apparatus
10/18/2012WO2012140703A1 Image-removing device and video display device
10/18/2012WO2012139849A1 Determining frequency errors in a multi-carrier receiver
10/18/2012WO2012139530A1 System and method for two-way relaying with beamforming
10/18/2012WO2012139491A1 Long-distance high-speed broadband power line communication method
10/18/2012WO2012139489A1 Long-distance high-speed broadband power line communication device
10/18/2012WO2012139473A1 Method and device for wireless frame parameter configuration and signal transmission
10/18/2012WO2012139458A1 Method for modulating navigation signal
10/18/2012WO2012139375A1 Method and system for improving channel estimation performance
10/18/2012WO2012139295A1 Method and apparatus for implementing high-order modulation schemes using low-order modulators
10/18/2012WO2012139165A2 Joint coding for optical ofdm
10/18/2012WO2012081870A9 Broadcast signal transmitter/receiver and broadcast signal transmitting/receiving method
10/18/2012US20120263262 IQ Gain Imbalance Correction for Receivers Employing Sigma-Delta Analog to Digital Conversion
10/18/2012US20120263261 Incremental lattice reduction systems and methods
10/18/2012US20120263260 Highly Optimized Digital IQ Transmitter Chain
10/18/2012US20120263259 Bearing determination using signals transformed into frequency domain
10/18/2012US20120263258 Circuits and methods for providing a control voltage and improving switch performance in radio frequency (rf) modules
10/18/2012US20120263254 Method for transmitting pilot signal in multi-carrier wireless transmission system
10/18/2012US20120263251 Generalized ofdm (gofdm) for ultra-high-speed serial optical transport networks
10/18/2012US20120263250 Retransmission method, transmitter, and communication system
10/18/2012US20120263249 Mitigating interference in a communication network
10/18/2012US20120263247 Method and apparatus for selecting reference signal tones for decoding a channel
10/18/2012US20120263246 Method for reducing latency on lte dl implementation
10/18/2012US20120263245 Method of channel estimation and a channel estimator
10/18/2012US20120263223 Linear equalizer
10/18/2012US20120263222 Maximum-Likelihood MIMO Demodulation for Frequency-Selective Channels
10/18/2012US20120263167 Timing and frequency acquisition for wireless networks
10/18/2012US20120263112 Wireless communication system, and interference preventing method
10/18/2012DE102012206022A1 Verfahren zum verhindern eines phänomens in einem vektormodulatorsender A method for preventing a phenomenon in a vector modulator transmitter
10/18/2012DE102012205856A1 HF-Modulator, Kalibrierungsschaltungsanordnung und Verfahren zum Kalibrieren eines HF-Modulators RF modulator circuitry and calibration method for calibrating an RF modulator
10/18/2012CA2841334A1 Method for modulating navigation signal
10/18/2012CA2826005A1 Methods and systems for communicating
10/17/2012EP2512193A1 Method and apparatus for mitigating pilot pollution in a wireless network
10/17/2012EP2512192A1 Multi-carrier closed-loop power control apparatus and method
10/17/2012EP2512086A2 New frame and data pattern structure for multi-carrier systems
10/17/2012EP2512085A1 Synchronization Transmissions in a Wireless Communication System
10/17/2012EP2512084A1 Method to provide a single OFDM symbol to an LTE dl RF interface
10/17/2012EP2512083A2 Method and apparatus for transmitting control information in a wireless communication system
10/17/2012EP2512082A1 Separation of the frequency drift from the Doppler shift in mult. i-carrier systems
10/17/2012EP2512080A2 New frame and signalling pattern structure for multi-carrier systems
10/17/2012EP2512058A1 Method and apparatus for frequency diversity
10/17/2012EP2512042A1 Frame structures for a wireless communication system with multiple radio technologies
10/17/2012EP2510658A1 Apparatus and method for cubic metric computation in dual-carrier and multi-carrier wireless communication system
10/17/2012EP2510657A1 Enabling phase tracking for a communication device
10/17/2012EP2510639A2 Mobile station apparatus and method for receiving signal in a wireless communication system supporting a plurality of wireless communication schemes
10/17/2012EP1595345B1 Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
10/17/2012CN202495963U OFDM carrier communication module
10/17/2012CN202495937U OFDM electric power line carrier communication device based on carrier electric energy meter
10/17/2012CN202495936U OFDM electric power line carrier communication device based on RS485 electric energy meter
10/17/2012CN1581740B Feedback type channel estimating method and device based on PN sequence and pilot frequency in OFDM system
10/17/2012CN102742240A Double frequency conversion modulation system and frequency conversion method
10/17/2012CN102742239A Method and apparatus for frame synchronization in optical fiber system
10/17/2012CN102742238A Methods and systems for CSI-RS transmission in LTE-ADVANCE systems
10/17/2012CN102742206A Method and apparatus for transmitting control information in a wireless communication system
10/17/2012CN102742205A Method and apparatus for transmitting control information in a wireless communication system
10/17/2012CN102742187A Method and arrangement for transmitting an optical transmission signal with reduced polarisation-dependent loss
10/17/2012CN102742185A Method for detecting optical signal noise ratio, device, node device and network system
10/17/2012CN102742165A Improved D.C. offset estimation
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