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)
07/2012
07/17/2012US8223852 Multicarrier modulation
07/17/2012US8223820 Method and apparatus for symbol synchronization for an 802.15.4 radio platform
07/17/2012US8223723 Method and system for generating antenna selection signals in wireless networks
07/17/2012US8223712 Physical downlink control channel resource-based scheduling method and apparatus used by base station
07/17/2012US8223704 Apparatus and method for assigning subchannels in an OFDMA communication system
07/17/2012US8223691 Wireless communication apparatus and wireless communication method
07/17/2012US8223627 Signaling method in an OFDM multiple access system
07/17/2012CA2600783C Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
07/17/2012CA2541567C Parallel soft spherical mimo receiver and decoding method
07/17/2012CA2501921C Mimo system with multiple spatial multiplexing modes
07/17/2012CA2473620C An adaptive threshold algorithm for real-time wavelet de-noising applications
07/17/2012CA2431502C Multi-carrier communications with adaptive cluster configuration and switching
07/12/2012WO2012094650A1 Calibration of synthesizer phase using reference harmonic
07/12/2012WO2012094517A1 Frequency domain compression in a base transceiver system
07/12/2012WO2012094505A1 Method and apparatus for improving throughput of 5 mhz wlan transmissions
07/12/2012WO2012094218A1 Estimation of intentional phase shift in a calibration apparatus
07/12/2012WO2012094174A1 Cyclic shift delay techniques for wlan multi-radio devices
07/12/2012WO2012094087A1 Apparatus and method for adaptive i/q imbalance compensation
07/12/2012WO2012093899A2 Method of modulating signal for data communication and device thereof
07/12/2012WO2012093333A1 Method of channel estimation, method of selecting pilot information, user equipment, and base station
07/12/2012WO2012092900A2 Channel frequency offset estimation method, device and system
07/12/2012WO2012092891A2 Data modulation method and device, and data processing system
07/12/2012WO2012092890A2 Adaptive equalization method and adaptive equalizer
07/12/2012WO2012092785A1 System and method for optical fibre communication with adaptive modulation
07/12/2012WO2012092647A1 A method and system for linearising a radio frequency transmitter
07/12/2012WO2012092642A1 Doppler-assisted channel estimation
07/12/2012WO2012067443A3 Method for transmitting uplink control information in a wireless access system and terminal for same
07/12/2012WO2012067424A3 Apparatus and method for transceiving data
07/12/2012US20120177162 Symmetric Phase Detector
07/12/2012US20120177157 Electronic device including voltage controlled oscillator pulling compensation circuit and related methods
07/12/2012US20120177155 Apparatus and method for receiving data in communication system
07/12/2012US20120177153 Methods and systems for improving retransmission performance of data channels in a wirelss communication system
07/12/2012US20120177152 Low latency simd architecture for iterative decoders
07/12/2012US20120177151 Apparatus and method for adaptive i/q imbalance compensation
07/12/2012US20120177150 Receiver
07/12/2012US20120177149 Digital broadcasting system and method of processing data in digital broadcasting system
07/12/2012US20120177148 Method and Apparatus for Peak-to-Average Ratio Reduction
07/12/2012US20120177147 Methods of receiving multiple carriers using different rf mixer frequencies and related communications devices and receivers
07/12/2012US20120177146 Detecting circuit and related detecting method
07/12/2012US20120177145 Sequence-generating method, and apparatus for same
07/12/2012US20120177144 Method and apparatus for transmitting symbol repeatedly in wireless communication system
07/12/2012US20120177141 Transmission device, reception device, transmission method and reception method for wireless communication system
07/12/2012US20120177138 Multidimensional constellations for coded transmission
07/12/2012US20120177137 System and method of modulation and coding scheme adjustment for a lte shared data channel
07/12/2012US20120177136 Wireless communication device
07/12/2012US20120177135 Interactive control of multiple input multiple output control structures
07/12/2012US20120177134 Quantum communication system
07/12/2012US20120177099 Signal processing method
07/12/2012US20120177098 Receiver circuit
07/12/2012US20120177097 Method for generating hybrid codebook and hybrid mu-mimo system
07/12/2012US20120177094 Polar transmitter and related signal transmitting method
07/12/2012US20120177091 Long training sequence for mimo wlan systems
07/12/2012US20120177088 Transmission-Reception Device of a Node of a Radio Network
07/12/2012US20120177065 Secure Data Transmission Using Spatial Multiplexing
07/12/2012US20120177026 Distinct transport path for mimo transmissions in distributed antenna systems
07/12/2012US20120176928 Channel calibration for a time division duplexed communication system
07/12/2012DE19900246B4 Verwendung von zumindest einem Polaritätswandler Using at least a polarity converter
07/12/2012DE10224161B4 Restphasenfehlerkorrektur Residual phase error correction
07/12/2012DE102011006640A1 Auswerteeinheit und Verfahren zur Demodulation von OFDM-Daten Evaluation unit and method for demodulation of OFDM data
07/12/2012DE102009012583B4 Modulator Modulator
07/12/2012DE102007026023B4 Systeme, Verfahren und Vorrichtungen für lineare polare Sender Systems, methods and apparatus for linear polar transmitter
07/12/2012DE102007013423B4 Verfahren zur Erzeugung eines digital modulierten Hochfrequenzsignals A method for generating a digitally modulated high-frequency signal
07/12/2012DE102006010900B4 System zur berührungslosen Übertragung von Information System for the contactless transmission of information
07/12/2012DE102004040278B4 Polarmodulator für den Mobilfunk und Verfahren zur Polarmodulation eines Signals Polar modulator for mobile and methods for polar modulation of a signal
07/12/2012DE10151173B4 Verfahren zum Messen des Modulationsfehlers von digital modulierten Hochfrequenzsignalen A method for measuring the modulation error of digitally modulated high frequency signals
07/12/2012DE10125330B4 Empfänger, Empfangsverfahren und Aufzeichnungsmedium das ein Programm für das Empfangen von Datensignalen aufzeichnet Receiver, receiving method and the recording medium recording a program for receiving data signals
07/12/2012DE10122643B4 Bestimmung des Detektionszeitpunkts vorentzerrter Datensignale Determination of the detection timing vorentzerrter data signals
07/12/2012DE10115583B4 Verfahren und Vorrichtung zur Bildung eines Ähnlichkeitsmaßesund Kanalschätzung mittels Ähnlichkeitsmaß Method and apparatus for forming a channel estimation by means of similarity Ähnlichkeitsmaßesund
07/12/2012DE10050878B4 Verfahren zur Übertragung von mehreren Informationssymbolen A method of transmitting a plurality of information symbols
07/11/2012EP2475140A2 Systems and methods for doppler shift compensation in ofdma communications
07/11/2012EP2475117A1 A method for transmitting rank and channel quality information in a multiple input mutiple output system
07/11/2012EP2475093A2 System and method for antenna diversity using equal power joint maximal ratio combining
07/11/2012EP2474180A2 Short and long training fields
07/11/2012EP2474139A1 Symbol synchronization method and apparatus
07/11/2012EP2474123A2 Method and apparatus for transmitting an ack/nack signal in a wireless communication system
07/11/2012EP2474121A1 Feedback scheme for providing feedback on plural transmissions
07/11/2012EP2327192B1 A transmitter stage and a corresponding method for transmitting signals on multiple frequency resources in a telecommunication system
07/11/2012EP1931096B1 Control channel information transmitting method, and base station and terminal using the same
07/11/2012EP1794892B1 Receiver gain control using a pilot signal
07/11/2012EP1556980B1 Multi-mode apparatus and method in a wireless mimo system with spatial multiplexing
07/11/2012CN1954572B Phase and frequency tracking for an OFDM receiver by means of pilot phase value estimation
07/11/2012CN1951080B System and method for power control in wireless communication systems
07/11/2012CN1843010B Method and system for adaptable receiver parameters
07/11/2012CN102577493A Physical layer signaling of control parameters for multiple radio access technologies
07/11/2012CN102577485A Wireless communication system, mobile station apparatus, base station apparatus, communication control method and control program
07/11/2012CN102577296A Method and apparatus for transmitting a reference signal in a multi-antenna system
07/11/2012CN102577295A Concatenated repetition code with convolutional code
07/11/2012CN102577294A Method and apparatus for transmitting multi-user mimo reference signal in wireless communication system for supporting relay
07/11/2012CN102577293A Physical uplink shared channel demodulation reference signal design for uplink coordinated transmission in type ii relay using a punctured demodulation reference signal
07/11/2012CN102577292A OFDM transmission methods in three phase modes
07/11/2012CN102577291A Method and apparatus for transceiving scheduling signals in a multi-carrier wireless communication system
07/11/2012CN102577290A System and method for modulation and coding scheme adaptation and power control in a relay network
07/11/2012CN102577289A Wireless receiver
07/11/2012CN102577217A Reference signal design for wireless communication system
07/11/2012CN102577197A Method and apparatus for transmitting/receiving a reference signal in a wireless communication system
07/11/2012CN102577177A Multilevel modulated light transmitting/receiving apparatus and multilevel modulated light transmitting/receiving method
07/11/2012CN102577169A Method and device for sending and receiving a reference signal
07/11/2012CN102577164A Method and apparatus for transmitting reference signal in wireless communication system including relay station
07/11/2012CN102577144A Time and frequency acquisition and tracking for ofdma wireless systems
07/11/2012CN102572820A Methods for use with orthogonal frequency division multiplexing, base station of the same, and wireless terminals
1 ... 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 ... 898