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
08/09/2012US20120201285 Apparatus and Method for SINR Estimation HSDPA MIMO Receiver
08/09/2012US20120201284 Multi-valued driver circuit
08/09/2012US20120201221 Wireless communication apparatus
08/09/2012US20120201200 Fast generalized decision feedback equalizer precoder implementation for multi-user multiple-input multiple-output wireless transmission systems
08/09/2012US20120201178 Allocation of Signal-to-Noise Ratio Margin in Multi-Carrier Systems
08/09/2012US20120201119 Ofdm transmission/reception apparatus
08/08/2012EP2485521A1 Wireless communication system, mobile station apparatus, base station apparatus, communication control method and control program
08/08/2012EP2485448A1 Mobile wireless communications device with separate in-phase (i) and quadrature (q) phase power amplification and power amplifier pre-distortion and iq balance compensation
08/08/2012EP2485447A1 Method to clip a digital signal
08/08/2012EP2485446A1 Method and device for adding pilot
08/08/2012EP2485413A1 Multilevel modulated light transmitting/receiving apparatus and multilevel modulated light transmitting/receiving method
08/08/2012EP2484108A1 Radio frequency front end and spectrum sensor
08/08/2012EP2484075A1 Systems for the multicarrier transmission of digital data and transmission methods using such systems
08/08/2012EP2484074A1 Reconfiguration of active component carrier set in multi-carrier wireless systems
08/08/2012EP2484073A2 Emulation of n-bits uniform quantizer from multiple incoherent and noisy one-bit measurements
08/08/2012EP2351305B1 Multi state continuous phase modulation process and transmitter for this process
08/08/2012EP2206392B1 Method and apparatus of providing a frame structure for supporting different operational modes
08/08/2012EP2092660B1 Method for adjusting rach transmission against frequency offset
08/08/2012EP1855432B1 Modulation circuit and electronic device
08/08/2012EP1713224B1 Peak power reduction method for wireless communication systems and corresponding transmitter
08/08/2012EP1678902B1 Method and device for calculating zero crossing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal
08/08/2012CN202374292U Digital frequency estimation system
08/08/2012CN1998146B Methods and apparatus for selecting between multiple carriers based on signal energy measurements
08/08/2012CN1930843B Frame structure for wireless multicarrier communication
08/08/2012CN1909431B Code-division poly-use multiple-antenna transmitting method and device
08/08/2012CN102630375A Method and device for reducing the electricity consumption associated with a communication line
08/08/2012CN102629920A Signal processing circuit
08/08/2012CN102629892A Superposition coding in a wireless communication system
08/08/2012CN102629886A Broadcasting system
08/08/2012CN102629883A Beam forming method and multiple antenna system using the same
08/08/2012CN102629879A Underwater acoustic communication method based on mode frequency modulation
08/08/2012CN101836409B Method and device for resource block mapping
08/08/2012CN101834824B Multicarrier filtration method, multicarrier filtration system and repeater
08/08/2012CN101730251B Microwave relay receiving and transmitting method, device as well as microwave relay node
08/08/2012CN101677306B Method and device for configuring reference signals
08/08/2012CN101640653B Mobile communication system and method, receiver and transmitter, receiving and transmitting method
08/08/2012CN101635700B ASK/DPSK hybrid modulation method, device and system
08/08/2012CN101627596B OFDM transmitter and OFDM receiver
08/08/2012CN101588223B Method, device and system for acquiring multiple-input multiple-output channel information
08/08/2012CN101542997B Signal cyclic shift in frequency domain and time domain
08/08/2012CN101499844B Frequency synchronization method for WCDMA system downlink receiver
08/08/2012CN101455044B Method for coding data symbols
08/08/2012CN101420265B Data transmission method, system and device in long term evolution system
08/08/2012CN101404641B Residual sub-carrier phase deflection correction system and method for multi-carrier system
08/08/2012CN101335731B Transmission method and device based on OFDM
08/08/2012CN101287965B Demodulation of phase modulated fibre-optic sensor system signals
08/08/2012CN101247375B Method and device for carrier frequency migration estimation
08/08/2012CN101188592B Synchronization method and system for multi-carrier system
08/08/2012CN101150551B Interweaving scheme of QPSK/8PSK system for low-density checksum coding
08/08/2012CN101146082B OFDM receiver and OFDM signal receiving method
08/08/2012CN101057421B Radio apparatus, and method for controlling transmission
08/08/2012CN101001099B Distribution intermediate method and intermediate system
08/07/2012US8238868 Dynamic voltage scaling for packet-based data communication systems
08/07/2012US8238847 Systems and methods of RF power transmission, modulation, and amplification, including cartesian 4-branch embodiments
08/07/2012US8238507 Transmission architecture of transmitter
08/07/2012US8238494 Apparatus and method for RF packet detection and symbol timing recovery
08/07/2012US8238492 Method and apparatus for packet detection via cross-correlation in the presence of frequency offset
08/07/2012US8238490 Method and circuit for determining a Doppler shift of a signal
08/07/2012US8238489 Apparatus and method for processing signal using single correlator
08/07/2012US8238488 Multi-stream maximum-likelihood demodulation based on bitwise constellation partitioning
08/07/2012US8238487 Log-likelihood ratio algorithm for use in reducing co-channel interference in wireless communication systems
08/07/2012US8238486 Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof
08/07/2012US8238485 Maximum likelihood decoder for pulse position modulation multi-source system
08/07/2012US8238484 Digital transmission and reception devices for transmitting and receiving streams, and processing methods thereof
08/07/2012US8238483 Signaling of dedicated reference signal (DRS) precoding granularity
08/07/2012US8238482 Techniques for improving channel estimation and tracking in a wireless communication system
08/07/2012US8238481 Blind channel estimation for PSK and D-PSK modulated multicarrier communication systems
08/07/2012US8238480 Adaptive self-quieter suppression for OFDM wireless communication systems
08/07/2012US8238479 Synchronization and acquisition for mobile television reception
08/07/2012US8238478 Multi-symbol noncoherent CPM detector having a trellis structure and a lock detector therefore
08/07/2012US8238475 Methods and systems for PDCCH blind decoding in mobile communications
08/07/2012US8238474 Trellis modulation protocols for a VDSL system
08/07/2012US8238470 Digital transmitter
08/07/2012US8238469 Calibration in a radio frequency transmission module
08/07/2012US8238468 Radio transmission device and radio reception device
08/07/2012US8238467 Digital transmitter
08/07/2012US8238463 Reception and measurement of MIMO-OFDM signals with a single receiver
08/07/2012US8238458 IQ impairment estimation in an OFDM signal
08/07/2012US8238457 Method and system for optimal bitloading in communication and data compression systems
08/07/2012US8238456 Techniques to time vary pilot locations in wireless networks
08/07/2012US8238455 Methods and apparatus for downlink PDSCH power setting
08/07/2012US8238453 Adaptive channel bandwidth selection for MIMO wireless systems
08/07/2012US8238452 Circuit for synchronizing serial communication channels
08/07/2012US8238381 Robust digital communication system
08/07/2012US8238374 Methods and apparatus for balancing modulation in cellular communications over noisy channels
08/07/2012US8238264 Hierarchical data collection network supporting packetized voice communication among wireless terminals and telephones
08/07/2012US8238226 OFDM communication apparatus
08/07/2012US8237870 Receiver system for multiple bandwidth television channels
08/02/2012WO2012102935A1 Peak-to-average power ratio reduction for hybrid fm hd radio transmission
08/02/2012WO2012101912A1 Wireless control device, wireless terminal device, wireless communication system, control program and integrated circuit
08/02/2012WO2012101386A1 Method and device for transmitting a signal using a transmission power mask
08/02/2012WO2012100752A1 Method for processing reference signal configuration information in wireless communication system, base station and terminal
08/02/2012WO2012100714A1 Orthogonal frequency division multiplexing passive optical network data transmission method and optical network unit
08/02/2012WO2012100712A1 Orthogonal frequency division multiplexing passive optical network data transmission method and optical line terminal
08/02/2012WO2012100450A1 Scheduling method and device for multi-user multi-input and multi-output
08/02/2012WO2012100377A1 A method and arrangement for training sequence allocation
08/02/2012WO2012100279A1 Reducing out-of-band emission
08/02/2012WO2012061605A3 Enhanced node b and method for precoding with reduced quantization error
08/02/2012WO2012060629A3 Method and device for transmitting/receiving uplink control information in wireless communication system
08/02/2012WO2012060628A3 Method and device for transmitting/receiving uplink control information in wireless communication system
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