Patents for H04L 27 - Modulated-carrier systems (89,721)
03/2012
03/01/2012US20120051467 Incrementally inclusive frequency domain symbol joint detection
03/01/2012US20120051466 Frequency-domain multi-stage group detection for alleviating inter-symbol interference
03/01/2012US20120051465 Method and apparatus for decoding coded data streams
03/01/2012US20120051464 OFDM signal reception in the presence of interference
03/01/2012US20120051463 Method and apparatus for multiple antenna communications, and related systems and computer program
03/01/2012US20120051461 Receiving apparatus of communication system
03/01/2012US20120051460 Apparatus and method for transmitting and receiving data in a communication or broadcasting system using linear block code
03/01/2012US20120051457 Methods and systems for orthogonal frequency division multiplexing (ofdm) multiple zone partitioning
03/01/2012US20120051456 Digital broadcasting system and data processing method
03/01/2012US20120051455 Transmission device and transmission method
03/01/2012US20120051454 Phase rotation for preambles within multiple user, multiple access, and/or MIMO wireless communications
03/01/2012US20120051453 Open loop mimo mode for lte-a uplink
03/01/2012US20120051452 Modified coded hybrid subcarrier amplitude phase polarization modulation
03/01/2012US20120051449 Communication with an elevator system
03/01/2012US20120051448 Method of controlling digital image processing apparatus, digital image processing apparatus applying the method, and communication system including the digital image processing apparatus
03/01/2012US20120051447 Optimum Interleaver Design for a Communication System
03/01/2012US20120051446 Method and apparatus for broadcasting with spatially diverse signals
03/01/2012US20120051445 Method and apparatus for transmitting positioning reference signals in a wireless communication network
03/01/2012US20120051417 Frequency offset and channel gain tracking for enhanced transmission efficiency
03/01/2012US20120051416 Symbol detection for alleviating inter-symbol interference
03/01/2012US20120051415 Demodulation of 16-qam, dcm data symbols using two hybrid-qpsk constellations
03/01/2012US20120051412 Symmetrical data signal processing
03/01/2012US20120051411 Full-duplex radio frequency echo cancellation
03/01/2012US20120051406 Circuit and method for computing circular convolution in streaming mode
03/01/2012US20120051404 Method for accommodating overlapping reference signal patterns
03/01/2012US20120051360 Transmitting apparatus, transmitting method, receiving apparatus, and receiving method
03/01/2012US20120051287 Implicit and explicit channel sounding for beamforming
03/01/2012US20120049949 Binarization circuit, demodulation circuit, and tuner for vehicle
02/2012
02/29/2012EP2424326A1 A method for transmission of data signals from a transmitting device to a receiving device, and a receiving device therefor
02/29/2012EP2424319A1 Wireless communication system, communication apparatus, communication method and communication program
02/29/2012EP2424183A1 Sequence generating method for detection and method for transmitting and receiving signals using the same
02/29/2012EP2424182A1 PAPR improvement in SC-FDMA by extending bandwidth and spectral shaping
02/29/2012EP2424146A1 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
02/29/2012EP2424145A1 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
02/29/2012EP2422557A2 Method and apparatus for power scaling for multi-carrier wireless terminals
02/29/2012EP2422501A2 Pre-communiction for relay base stations in wireless communication
02/29/2012EP2422500A1 Sub-frame structure for use in advanced communication systems
02/29/2012EP2422499A1 Frequency offset and channel gain tracking for enhanced transmission efficiency
02/29/2012EP2422476A1 Harq indicator determination
02/29/2012EP1829314B8 Calibrating amplitude and phase imbalance and DC offset of an analog I/Q modulator in a high-frequency transmitter
02/29/2012EP1685655B8 Wideband communication method
02/29/2012EP1490705B1 Determination of a composite peak position in the presence of a doppler shift
02/29/2012EP1400035B2 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
02/29/2012CN202153748U 多用户正交频分复用系统 Multi-user Orthogonal frequency-division multiplexing system
02/29/2012CN1902828B Method and apparatus for varying lengths of low density parity check codewords
02/29/2012CN1787508B Frequency offset estimating method and frequency offset correcting apparatus utilizing said method
02/29/2012CN1708042B Communication system, transmitting device, and receiving device
02/29/2012CN102365900A Radio communication system, transmission device, reception device, and radio communication method in radio communication system
02/29/2012CN102365836A HARQ INDICATOR determination
02/29/2012CN102365825A Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication device, and method for adjusting timing of filter circuit
02/29/2012CN102364903A Hierarchical-modulation-based wireless relaying secure forwarding method
02/29/2012CN102364902A Channel estimation method used in amplitude limiting OFDM system
02/29/2012CN101523836B Method and arrangement for power minimization in a multi-tone transmission-based communication system
02/29/2012CN101518139B OFDMA communication system and communication method
02/29/2012CN101518012B Method and device for reporting channel quality indication
02/29/2012CN101516108B Data reception method and data reception devcie for receiving data
02/29/2012CN101505290B Improved frequency bias estimation method for wideband MIMO
02/29/2012CN101411151B Radio reception device, radio transmission device, radio base station, reception method, and transmission method
02/29/2012CN101350642B Power control method base on set tactic
02/29/2012CN101345737B Wireless communication apparatus, wireless communication system, wireless communication method
02/29/2012CN101212437B OFDM-based prefix signal receiving/sending method and device
02/29/2012CN101132372B Representing method for broadband single-carrier system resource allocation
02/28/2012US8126409 Adaptive delay alignment in polar transmitters
02/28/2012US8126094 Circuits, systems, and methods for managing automatic gain control in quadrature signal paths of a receiver
02/28/2012US8126093 Method and system for process, voltage, and temperature (PVT) correction
02/28/2012US8126092 Multistage PN code acquisition circuit and method
02/28/2012US8126091 RDS/RBDS decoder with reliable values
02/28/2012US8126090 Channel estimation for a WLAN through increased use of preamble
02/28/2012US8126089 Method and apparatus for providing frame synchronization in a digital communication system that supports multiple modulation formats
02/28/2012US8126088 Demodulator with signal preconditioner
02/28/2012US8126084 Processing method for providing, starting from signals acquired by a set of sensors, an aggregate signal and data acquisition system using such method
02/28/2012US8126083 Apparatus for and method of controlling a sampling frequency of a sampling device
02/28/2012US8126082 Gain weighted code combining system and method for combining BPSK codes
02/28/2012US8126080 Hardware implementation of space-time block codes
02/28/2012US8126079 High-speed serial data signal interface circuitry with multi-data-rate switching capability
02/28/2012US8126077 MIMO transmitter and methods for transmitting OFDM symbols with cyclic-delay diversity
02/28/2012US8126075 Telecommunications method and system
02/28/2012US8126074 Method and apparatus for equalization and decoding in a wireless communications system including plural receiver antennae
02/28/2012US8126072 Noise variance estimation in wireless communications for diversity combining and log likelihood scaling
02/28/2012US8126071 Wireless communication system with multiple transmission antennas using pilot subcarrier allocation
02/28/2012US8126068 Method and device for estimating channel of uplink signal in wireless communication system
02/28/2012US8126067 Apparatus and method for estimating channel in communication system supporting OFDM/OFDMA
02/28/2012US8126066 Time and frequency channel estimation
02/28/2012US8126061 Robust mode staggercasting reduced resolution video for mobile receiver
02/28/2012US8125884 Apparatus for pre-coding using multiple codebooks and associated methods
02/23/2012WO2012024321A2 Methods and systems for csi-rs resource allocation in lte-advance systems
02/23/2012WO2012023944A1 Inserting and decoding replicated data symbols in wireless communications
02/23/2012WO2012023819A2 Method and apparatus for transmitting uplink data in a wireless access system
02/23/2012WO2012023793A2 Method and apparatus for transmitting control information in a wireless communication system
02/23/2012WO2012023773A2 Method and device for control data resource allocation in a communication system in which a plurality of component carrier waves are used, and a method and device for control data decoding using the same
02/23/2012WO2012022716A1 Randomization of block spread signals
02/23/2012WO2012022503A1 As-i communication component
02/23/2012WO2012022368A1 Transmission of reference signals
02/23/2012WO2012022128A1 Uplink control signaling transmission method and device for multi-antenna system
02/23/2012WO2011155763A3 Method and device for transmitting/receiving channel state information in coordinated multipoint communication system
02/23/2012WO2011152651A3 Apparatus and method for allocating channel state information-reference signal in wireless communication system
02/23/2012WO2011145849A3 Apparatus and method for indicating uplink resource allocation in broadband wireless communication system
02/23/2012WO2011120031A3 Method and apparatus to adjust received signal
02/23/2012US20120045220 Multi channel encoder, demodulator, modulator and digital transmission device for digital video insertion in network edge applications
02/23/2012US20120045025 Diversity reception device and diversity reception method