H04L 27 - Modulated-carrier systems

Patents for H04L 27 - Modulated-carrier systems (89,721)
10/2011
10/19/2011	EP2377259A2 Method for transmitting a data signal via a plurality of transmitting entities
10/19/2011	EP2377022A1 Receiver determined probe
10/19/2011	EP2243268B1 Radiofrequency emission system
10/19/2011	EP2060081B1 Frequency dependent I/Q imbalance estimation
10/19/2011	EP1834461B1 Method and apparatus for differentially orthogonal modulation by using repetition time period of chirp signal
10/19/2011	EP1509015B1 Method and apparatus for detecting and correcting carrier quadrature errors
10/19/2011	CN202014336U Digital mobile wireless skynet system
10/19/2011	CN202014245U Underground frequency hopping device
10/19/2011	CN1661921B Delta/Sigma frequency discriminator
10/19/2011	CN102224761A Dynamic tone grouping and encoding for multi-carrier quadrature amplitude modulation in ofdm
10/19/2011	CN102224719A Efficient multiplexing of reference signal and data in a wireless communication system
10/19/2011	CN102224718A Blind frequency-offset estimation for temporally and/or spatially correlated signal
10/19/2011	CN102224717A Activating method for newly adding line pair into xdsl system,apparatus thereof and xdsl system
10/19/2011	CN102224686A Method for pilot symbol transmission in downlink mimo system
10/19/2011	CN102223346A Multi-domain joint multiple access method based on weighted fractional Fourier transformation
10/19/2011	CN102223345A Time slot synchronization method and symbol synchronization method
10/19/2011	CN102223344A Method and system for estimating residual fractional frequency offset
10/19/2011	CN102223343A Method for multiplexing fractional domain resources in communication system of mixed carrier system
10/19/2011	CN102223342A Downlink multi-input single-output-OFDMA (Orthogonal Frequency Division Multiplex Access) multicast system resource allocation method
10/19/2011	CN102223341A Method for reducing peak-to-average power ratio of frequency domain forming OFDM (Orthogonal Frequency Division Multiplexing) without bandwidth expansion
10/19/2011	CN102223340A Terabit transmission rate coherent light orthogonal frequency division multiplexing (OFDM) system based on optical comb
10/19/2011	CN102223339A Transmission method, transmitter, and receiver for multi antenna wireless communication system
10/19/2011	CN102223338A Self-adaption peak clipping method and device of multi-carrier system
10/19/2011	CN102223337A Method and device for generating reference canceling signals
10/19/2011	CN102223336A Wireless communication method and equipment
10/19/2011	CN102223335A Method and device for estimating time offset
10/19/2011	CN102223334A 2DPSK (Differential Phase Shift Keying) demodulation circuit, demodulation method and wireless signal receiver system
10/19/2011	CN102223333A Bias point control method and device of DQPSK (Differential Quaternary Reference Phase Shift Keying) demodulator
10/19/2011	CN102223332A Modulation method of one-half continuous phase chip keying
10/19/2011	CN102223331A Sine frequency modulation keying modulation communication method
10/19/2011	CN102223323A DTMB (Digital Television Terrestrial Multimedia Broadcasting) system and channel estimation method in multi-carrier DTMB
10/19/2011	CN102223272A System and method for improving data service bandwidth of cable television network
10/19/2011	CN102223223A Method and device for receiving multi-carrier signal
10/19/2011	CN102223166A Transmitting station and signal transmission method
10/19/2011	CN102223164A System for correcting frequency difference in high dynamic process and realizing method thereof
10/19/2011	CN102223153A Communications device with separate I and Q phase power amplification and related methods
10/19/2011	CN101395802B Frequency synthesizer, wireless communication system, and semiconductor device
10/19/2011	CN101262465B Transmitter and receiver
10/19/2011	CN101110802B Method for amending frequency cumulative error of non-center communication system terminal
10/19/2011	CN101079628B Frequency synthesizer and signal forming method
10/18/2011	US8040982 Phase-adjusted channel estimation for frequency division multiplexed channels
10/18/2011	US8040981 Symbol detection in a MIMO communication system
10/18/2011	US8040980 Log likelihood ratio calculation method, transmit signal detection method, and receiver
10/18/2011	US8040978 Tracking system
10/18/2011	US8040977 Reception synchronization control device, reception synchronization control method, and program therefor
10/18/2011	US8040976 Digital receiver and method
10/18/2011	US8040975 Apparatus and method for transmitting signals with multiple antennas
10/18/2011	US8040974 Shift space-time coding for digital video broadcasting systems
10/18/2011	US8040971 High performance mixed signal circuit
10/18/2011	US8040970 Method and apparatus for adaptive reduced overhead transmit beamforming for wireless communication systems
10/18/2011	US8040966 Communication data using wideband communications
10/18/2011	US8040965 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
10/18/2011	US8040962 Channel response calculation in an OFDM receiver
10/18/2011	US8040961 Sample rearrangement for a communication system with cyclic extension
10/18/2011	US8040959 Dynamic resource allocation to improve MIMO detection performance
10/18/2011	US8040958 Method for measuring correlation between frequency response functions
10/18/2011	US8040941 Constellation-multiplexed transmitter and receiver
10/18/2011	US8040924 Method of processing traffic information and digital broadcast system
10/18/2011	US8040855 Communication system using OFDM for one direction and DSSS for another direction
10/18/2011	US8040847 Channel estimation feedback in an orthogonal frequency division multiplexing system or the like
10/18/2011	US8040790 Low complexity bandwidth efficient carrier frequency offset estimation technique for OFDMA uplink transmissions
10/18/2011	US8040788 Multi-dimensional network resource allocation
10/18/2011	CA2584380C Phase correction of a constant envelope signal without introducing amplitude modulation
10/15/2011	CA2737533A1 Communications device with separate i and q phase power amplification having selective phase and magnitude adjustment and related methods
10/13/2011	WO2011127193A1 Method and apparatus for constructing very high throughput long training field sequences
10/13/2011	WO2011127004A2 Dynamic modulation selection
10/13/2011	WO2011126822A1 Method and apparatus for channel sounding in an orthogonal frequency division multiplexing communication system
10/13/2011	WO2011126393A1 Method for identification of replaceable antenna modules and a device for the implementation thereof
10/13/2011	WO2011126341A2 Signal transmission method and apparatus using codebook in wireless communication system supporting multiple antennas
10/13/2011	WO2011126259A2 Wireless communication system and method for retransmission process thereof
10/13/2011	WO2011126246A2 Method and apparatus for transmitting control information in wireless communication system
10/13/2011	WO2011126239A2 Method and apparatus for transmitting control information in wireless communication system
10/13/2011	WO2011126210A2 Method and system for reducing inter carrier interference for ofdm
10/13/2011	WO2011125320A1 Terminal apparatus and response signal transmitting method
10/13/2011	WO2011125319A1 Transmission device, transmission power control method and transmission determination method
10/13/2011	WO2011124115A1 System and method for adapting codebooks
10/13/2011	WO2011124024A1 Method and apparatus for feeding back and constructing correlation matrix in multi-input multi-output system
10/13/2011	WO2011124012A1 Codebook design and structure for multi-granular feedback
10/13/2011	WO2011085952A3 Method for data and energy transfer to the same line and corresponding data transfer system
10/13/2011	WO2011046413A3 Method and apparatus for transmitting multi-user mimo reference signal in wireless communication system for supporting relay
10/13/2011	WO2011045665A3 Wireless communication system for high-speed vehicle travelling over fixed path
10/13/2011	WO2011043617A3 Method and apparatus for transmitting an uplink control signal in a wireless communication system
10/13/2011	WO2011043616A3 Method and apparatus for transmitting and receiving multi-user control channels in a wireless communication system with multiple antennas
10/13/2011	US20110249778 Method and apparatus for packet detection via cross-correlation in the presence of frequency offset
10/13/2011	US20110249777 Frame synchronization apparatus and method based on differential correlation in communication system
10/13/2011	US20110249776 Method for determining as to whether a received signal includes a data signal
10/13/2011	US20110249775 Data receiver circuit
10/13/2011	US20110249774 Partial Response Equalizer and Related Method
10/13/2011	US20110249773 Apparatus and method for estimating channel in wireless communication system
10/13/2011	US20110249772 Transmitter, multicarrier transmitting method, and receiver
10/13/2011	US20110249771 Adaptive gain control based on echo canceller performance information
10/13/2011	US20110249769 Method and apparatus of compensation for amplitude and phase delay using sub-band polyphase filter bank in broadband wireless communication system
10/13/2011	US20110249768 Peak suppression device and peak suppression method
10/13/2011	US20110249767 Method and apparatus for reference signal sequence mapping in wireless communication
10/13/2011	US20110249765 Portable terminal and method for operating of mimo antenna thereof
10/13/2011	US20110249764 Radio parameter group generating apparatus, transmitter and receiver
10/13/2011	US20110249762 Multiple-antenna signal processing system and method
10/13/2011	US20110249761 Broadband wireless system
10/13/2011	US20110249760 Antenna selection based on measurements in a wireless device
10/13/2011	US20110249711 Signal transmitting circuit and related method

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