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)
09/2009
09/01/2009US7583754 Method and system for broadband predistortion linearization
09/01/2009US7583752 Transmitter for outputting differential signals of different voltage levels
09/01/2009US7583751 LDPC encoder method thereof
09/01/2009US7583750 Method of data burst transmission
09/01/2009US7583749 Digital data transmitting apparatus
09/01/2009US7583744 Method and apparatus for computing soft decision input metrics to a turbo decoder
09/01/2009US7583743 Method of differential-phase/absolute-amplitude QAM
09/01/2009US7583742 Multi-band DMT receiver
09/01/2009US7583741 Likelihood corrector and likelihood correction method
09/01/2009US7583738 Apparatus and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing communication system
09/01/2009US7583737 OFDM signal receiver device and OFDM signal receiving method
09/01/2009US7583736 Radio transmission device, radio reception device, and method for selecting transmission cancellation subcarriers
09/01/2009US7583735 Methods and systems for handling underflow and overflow in a software defined radio
09/01/2009US7583722 Scaling using gain factors for use in data detection
09/01/2009US7583694 Data definition apparatus, systems, and methods
09/01/2009US7583638 Device and method for processing a digital data signal in a CDMA radio transmitter
09/01/2009US7583628 Data transmission method in a cellular communication network, corresponding system, terminal and base station
09/01/2009US7583624 Method of idle mode control in OFDM system
09/01/2009US7583609 System and method of dynamically optimizing a transmission mode of wirelessly transmitted information
09/01/2009US7583582 M-ary orthogonal keying system
09/01/2009CA2423583C Distributed pilot multicarrier signal designed to limit intereference affecting said pilots
09/01/2009CA2380977C Ofdm signal communication system, ofdm signal transmitting device and ofdm signal receiving device
08/2009
08/27/2009WO2009105418A1 Beamforming devices and methods
08/27/2009WO2009105122A1 Signal quality estimation for ofdma systems
08/27/2009WO2009104931A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
08/27/2009WO2009104922A2 Method for allocating dynamic transmit time interval
08/27/2009WO2009104909A2 Apparatus and method for estimating i/q unbalance parameters in ofdm receiver
08/27/2009WO2009104895A1 Method for uplink transmission in ofdm(a) system
08/27/2009WO2009104894A1 Method for uplink transmission in ofdm(a) system
08/27/2009WO2009104880A1 Method for mapping physical hybrid automatic repeat request indicator channel
08/27/2009WO2009104826A1 Apparatus and method for determining a feedback channel of ofdma communication system
08/27/2009WO2009104824A1 Device and method of demodulating signal
08/27/2009WO2009104679A1 Wireless transmitter, wireless receiver, wireless communication system, and wireless transmission method
08/27/2009WO2009104603A1 Radio communication device and radio communication method
08/27/2009WO2009104420A1 Digital modulation signal test device, digital modulator, digital demodulator, and semiconductor device using the devices
08/27/2009WO2009104145A2 Orthogonal frequency division multiplexing timing synchronization
08/27/2009WO2009103746A1 Coded modulation with interleaving of the i and q pathways and optimized rotation
08/27/2009WO2009103376A1 Multicarrier mobile measuring signals from neighbouring base stations to calculate its position for interference coordination
08/27/2009WO2009103230A1 Method, apparatus and mobile terminal for capturing the coarse timing
08/27/2009WO2009086178A3 Receiver window shaping in ofdm to mitigate narrowband interference
08/27/2009WO2009069083A3 Pn phase recovery in a dmb-t system
08/27/2009WO2009067181A3 Low density parity check (ldpc) encoded higher order modulation
08/27/2009WO2007084862A9 Localized and distributed allocation multiplexing and control
08/27/2009US20090215457 Dynamic Cellular Cognitive System
08/27/2009US20090215403 Signal processing under attenuated transmission conditions
08/27/2009US20090213969 Wireless Communication Device, Equalizer, Computer-Readable Medium Storing Program for Obtaining Weight Coefficients in the Equalizer, and Process for Obtaining Weight Coefficients in the Equalizer
08/27/2009US20090213968 Method and apparatus to detect random access channel preamble
08/27/2009US20090213967 Power-saving method for viterbi decoder and bit processing circuit of wireless receiver
08/27/2009US20090213966 System and Method for Generating Soft Output in Hybrid MIMO Systems
08/27/2009US20090213965 Mimo multiplexing communication system and a signal separation method
08/27/2009US20090213963 Digital radio receiver
08/27/2009US20090213962 Digital radio receiver and method of reproducing acoustic information
08/27/2009US20090213961 Method and apparatus for controlling transmission power in a communication system
08/27/2009US20090213960 Transmitter
08/27/2009US20090213959 Transmitting apparatus and transmitting method, receiving apparatus and reciving method, transceiver apparatus,communication apparatus and method, recording medium, and program
08/27/2009US20090213958 Transmitting apparatus and transmitting method, receiving apparatus and receiving method, transceiver apparatus, communication apparatus and method, recording medium, and program
08/27/2009US20090213957 System and method for providing multicast and broadcast services
08/27/2009US20090213956 Optimal tcm codec search method for dual stream systems, and encoder/decoder using the same
08/27/2009US20090213953 Bit Log Likelihood Ratio (LLR) Computation of a 32-QAM System
08/27/2009US20090213952 Method for deinterleaving ofdm signals and apparatus using the same
08/27/2009US20090213951 Method of suppressing carrier leak in OFDM transmission and radio transmitter using same method
08/27/2009US20090213950 Pilot signal transmission for an orthogonal frequency division wireless communication system
08/27/2009US20090213949 Method for transmitting a multicarrier signal designed for limiting interference, signal, emitting device, receiving method and device and corresponding computer programs
08/27/2009US20090213948 Adaptive two-dimensional channel interpolation
08/27/2009US20090213947 Block boundary detection for a wireless communication system
08/27/2009US20090213945 Reduced Complexity Parametric Covariance Estimation for Precoded MIMO Transmissions
08/27/2009US20090213944 Receiver Parametric Covariance Estimation for Precoded MIMO Transmissions
08/27/2009US20090213943 Time and frequency domain based approaches for fine timing and frequency estimations in isdb-t and isdb-tsb receiver design
08/27/2009US20090213942 Data communications
08/27/2009US20090213923 Method and apparatus for channel detection
08/27/2009US20090213922 Method and Apparatus for Efficient Multi-Symbol Detection
08/27/2009US20090213921 Carrier recovery system and carrier recovery method
08/27/2009US20090213920 Method and apparatus for detecting high-mobility state of mobile terminal and related device
08/27/2009US20090213908 Method and Apparatus for Symbol Detection via Reduced Complexity Sequence Estimation Processing
08/27/2009US20090213907 Method and Apparatus for Block-Based Signal Demodulation
08/27/2009US20090213833 Systems, Apparatus and Techniques for Fast Cell Search and Accurate Synchronization in Wireless Communications
08/27/2009US20090213723 Method for uplink transmission in ofdm(a) system
08/27/2009DE19946749B4 Entscheidungsgegenkopplungsequalizer Decision feedback equalizer
08/27/2009CA2715943A1 Method for uplink transmission in ofdm(a) system
08/27/2009CA2713318A1 Signal quality estimation for ofdma systems
08/26/2009EP2093958A1 Multicarrier mobile measuring signals from neighbouring base stations to calculate its position for interference coordination
08/26/2009EP2093957A1 Method and system of error concealment
08/26/2009EP2093956A2 Receipt switch and method for receiving a signal of an amplitude shift keying
08/26/2009EP2093953A2 Method for transmitting and receiving control information through PDCCH
08/26/2009EP2093919A1 Frame allocation structure decision and method thereof
08/26/2009EP2093589A1 A method for measuring the radial velocity of a target with a Doppler radar
08/26/2009EP2092709A1 Pulse width modulator
08/26/2009EP2092708A1 Apparatus and method for receiving orthogonal frequency division multiplexing-based digital signal
08/26/2009EP2092707A1 Apparatus and method of detecting timing synchronization for fast fourier transform
08/26/2009EP2092706A1 Method for planning a digital video broadcasting network
08/26/2009EP2092678A2 Clustered mimo ofdm with variable subcarrier assignment per antenna
08/26/2009EP2092660A2 Method for adjusting rach transmission against frequency offset
08/26/2009EP1790140B1 Headend transmitter and downstream cable modem receiver for 1024 QAM
08/26/2009EP1386462B9 System for generating pseudorandom sequences
08/26/2009EP1222787B1 Apparatus for high-speed transmission on fiber optic channel
08/26/2009EP1029396B1 Receiver for a reconfigurable radio system and method therefor
08/26/2009CN101518150A Base station, mobile station, and pilot channel generation method
08/26/2009CN101518014A Calibrating DC offset and I/Q imbalance of analogue I/Q-modulator of transmitter
08/26/2009CN101518013A Method and system to reduce PAPR in single carrier and SCBT communications systems
08/26/2009CN101518012A Method and device for reporting channel quality indication
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