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)
08/2012
08/29/2012CN101431494B Null symbol element detection apparatus and method
08/29/2012CN101399802B Method and device for reducing PAR by using preserved sub-carrier
08/29/2012CN101388872B Data signal modulation, demodulation method, transceiver and transceiving system
08/29/2012CN101316249B Receiving apparatus, program and receiving method
08/29/2012CN101312375B Method for relative result synchronous acquisition and synchronous acquisition unit therefor
08/29/2012CN101218773B Signal space expansion method and device for 16 QAM scheme
08/29/2012CN101212234B BOC signal acquisition and tracking method and apparatus
08/29/2012CN101116280B Synchronisation device and synchronisation method
08/29/2012CN101116257B Apparatus and method for determining a correlation value
08/29/2012CN101056131B Apparatus and method for generating log likelihood ratio in a multiple-input multiple-output communication system
08/28/2012US8255276 System and method for generating multimedia accompaniments to broadcast data
08/28/2012US8254946 Methods and apparatus for flexible spectrum allocation in communication systems
08/28/2012US8254504 Decision directed flicker noise cancellation
08/28/2012US8254503 Tracking automatic gain control of orthogonal frequency domain multiplexing systems
08/28/2012US8254502 Post decoding soft interference cancellation
08/28/2012US8254501 Receiving apparatus, transmitting apparatus, reception method, and transmission method
08/28/2012US8254500 Channel equalization with SCDMA modulation
08/28/2012US8254498 Random orthogonal frequency division multiplexing
08/28/2012US8254497 Method for detecting cyclostationary signals
08/28/2012US8254495 Codebook based precoding methods
08/28/2012US8254493 High bandwidth modulation and transmission
08/28/2012US8254492 Transmit diversity in a wireless communication system
08/28/2012US8254491 Digital transmitter
08/28/2012US8254489 Transmission method and multiple input multiple output wireless communication system using the same
08/28/2012US8254480 Automatic gain control for frequency-hopped OFDM
08/28/2012US8254479 Method of detecting transmission channel and related wireless communication system
08/28/2012US8254478 Method for limiting local bandwidth impairment using tone reservation
08/28/2012US8254477 OFDM communication device and guard interval length determining method
08/28/2012US8254475 PHY sub-channel processing
08/28/2012US8254474 Method for estimating the characteristcs of OFDM signals
08/28/2012US8254473 Bit interleaver and method of bit interleaving using the same
08/28/2012US8254472 Communication device and communication system
08/28/2012US8254471 Far-end crosstalk canceling method and device, and signal processing system
08/28/2012US8254433 Non-federated multi-function Ka-band exciter system and method
08/28/2012US8254431 Wireless transmit/receive unit (WTRU) for carrier offset recovery
08/28/2012US8254429 Communication systems and methods
08/28/2012US8254372 Data communication apparatus and method
08/28/2012US8254306 Method and system for implementing a single weight spatial multiplexing (SM) MIMO system
08/28/2012US8254259 System and method for avoiding stall using timer for high-speed downlink packet access system
08/28/2012US8254246 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
08/28/2012CA2682947C Digital broadcasting system and method of processing data
08/24/2012DE202005022046U1 Funksender und Funkempfänger Radio transmitters and radio receivers
08/23/2012WO2012112973A1 Data transmission coexistence using constant symbol duration within television white space channels
08/23/2012WO2012112972A1 Data transmission coexistence within television white space channels
08/23/2012WO2012111583A1 Power series digital predistorter and control method thereof
08/23/2012WO2012111417A1 Wireless control device, wireless communication system, control program and integrated circuit
08/23/2012WO2012111140A1 Optical receiver, non-linear equalisation circuit, and digital signal processing circuit
08/23/2012WO2012110688A1 Method and apparatus to provide a-periodic sounding reference signal
08/23/2012WO2012110143A1 Apparatus, method and computer program for determining a frequency offset
08/23/2012WO2012109928A1 Method, device, and system for processing signal
08/23/2012WO2012109782A1 Pilot signal cancellation scheme for wireless mobile broadband systems based on ofdm
08/23/2012WO2012109768A1 Method, radio unit and radio base station for adjusting thresholds for crest factor reduction
08/23/2012WO2012088280A3 Automatic frequency control under low signal-to-noise conditions
08/23/2012WO2012081870A3 Broadcast signal transmitter/receiver and broadcast signal transmitting/receiving method
08/23/2012WO2012074335A3 Method and device for transmitting ack/nack in tdd-based wireless communication system
08/23/2012US20120216198 Interpreting i/o operation requests from pageable guests without host intervention
08/23/2012US20120213316 Preamble detection with unknown channel
08/23/2012US20120213315 Process for estimating the channel in a ofdm communication system, and receiver for doing the same
08/23/2012US20120213314 Digital demodulation of pulse-width modulated signals
08/23/2012US20120213313 Estimating document similarity using bit-strings
08/23/2012US20120213311 Method for generating plurality of dm-rs sequences, communication terminal device using same, and base station using same
08/23/2012US20120213310 Method for transmitting data in mulitiple antenna system
08/23/2012US20120213308 Managing acknolwledgement messages from multiple destinations for multi user mimo transmissions
08/23/2012US20120213304 Data transferring device, data transferring method and data receving method
08/23/2012US20120213301 Wireless communication apparatus and wireless communication method
08/23/2012US20120213300 Wireless communication system, wireless comunication apparatus and wireless communication method
08/23/2012US20120213299 Methods and systems for noise resilient, pin-efficient and low power communications with sparse signaling codes
08/23/2012US20120213267 Partial response receiver
08/23/2012US20120213255 Frame And Signalling Pattern Structure For Multi-Carrier Systems
08/23/2012US20120213193 Method of transmitting scheduling request in a wireless communication system
08/23/2012US20120213181 Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
08/23/2012US20120213169 Method and apparatus for implementing downlink multiple-input multiple-output transmission
08/23/2012US20120213147 Reference signal transmission method and apparatus in wireless communication system including relay station
08/23/2012US20120212849 Systems and Methods for Data Pre-Coding Calibration
08/23/2012US20120212290 Fsk demodulator
08/23/2012DE112010004329T5 Empfangsvorrichtung und Verfahren Receiving apparatus and method
08/23/2012DE112010002802T5 Verfahren und vorrichtung für kanalcodierung in einemdrahtlos-kommunikationssystem Method and apparatus for channel coding in a wireless communication system
08/22/2012EP2490391A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
08/22/2012EP2490390A1 Signal Acquisition Apparatus and Method
08/22/2012EP2490389A1 Apparatus, method and computer program for determining a frequency offset
08/22/2012EP2490388A1 Signal acquisition apparatus and method and signal transmission apparatus and method
08/22/2012EP2490387A2 Transmitter and method for transmitting soft pilot symbols in a digital communication system
08/22/2012EP2490386A1 Receiver and method for processing radio signals using soft pilot symbols
08/22/2012EP2490344A2 Wireless communication system for high-speed vehicle travelling over fixed path
08/22/2012EP2489165A2 Methods and systems for csi-rs transmission in lte-advance systems
08/22/2012EP2489164A1 Evm pooling for multi-standard and multi-carrier systems
08/22/2012EP2489136A1 Method and apparatus for uplink multi-carrier transmit diversity
08/22/2012EP2489133A2 Method and apparatus for vectored data transmission
08/22/2012EP1668786B1 Initial synchronization for receivers
08/22/2012CN202395808U Single-point modulation wireless communication device
08/22/2012CN202395807U Channel estimation device for generalized multi-carrier system in frequency domain
08/22/2012CN1798282B Digital multimedia receiver
08/22/2012CN102648608A Wireless communication system, wireless communication apparatus and wireless communication method
08/22/2012CN102648592A Reference signal transmission method and apparatus in wireless communication system including relay station
08/22/2012CN102647790A Method and device for sending and receiving reference signal
08/22/2012CN102647784A Uplink synchronous control regulation method and device
08/22/2012CN102647779A Apparatus and method providing common pilot channel for soft frequency reuse
08/22/2012CN102647724A Wireless station, interference avoidance method, and system for interference avoidance
08/22/2012CN102647392A Star optical signal generation method and star optical signal generation device
08/22/2012CN102647391A Cooperative modulation signal identifying method based on data fusion of decision layer
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