Patents for H04L 27 - Modulated-carrier systems (89,721)
02/2009
02/26/2009US20090052520 Transport stream generating device, transmitting device, receiving device, and a digital broadcast system having the same, and method thereof
02/26/2009US20090052517 Diversity GMSK-receiver with interference cancellation and methods therein
02/26/2009US20090052433 Method of synchronization for packet based, ofdm wireless systems with multiple receive chains
02/26/2009US20090051822 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
02/26/2009US20090051821 System and method for terrestrial high-definition television reception
02/26/2009DE3835745A1 Empfänger für Digitalsignale, die differentiell und mit Phasensprüngen codiert sind Receiver for digital signals, which are differentially encoded and phase jumps
02/26/2009DE3800112A1 System zur Datenübertragung mittels des Frequenzsprungverfahrens System for data transmission using frequency hopping
02/26/2009DE112007000945T5 Modulator Modulator
02/26/2009DE10339886B9 Verfahren zur Neusynchronisation eines Mobilfunkempfängers bei einem Umschalten zwischen zwei unterschiedlichen Modulationsverfahren Re-synchronization method of a mobile receiver when switching between two different modulation methods
02/26/2009DE102007040273A1 Reference phase evaluating method for demodulation of phase modulated signals in e.g. radio range, involves outputting phase angle values to filter stage in which values are averaged, and providing filter stages and generating phase angle
02/26/2009CA2715663A1 Ultrasound detectors
02/26/2009CA2695799A1 System and method for distributed input distributed output wireless communications
02/25/2009EP2028810A1 Correction of distortions in a transmission chain
02/25/2009EP2028809A2 Commmunication system using a shared baseband processor for transmission and reception over different bandwidths
02/25/2009EP2028785A2 Systems and methods for generalized slot-to-interlace mapping
02/25/2009EP2028783A2 Synchronous coherent orthogonal frequency division multiplexing system
02/25/2009EP2028782A2 Method and apparatus of data processing in MIMO system
02/25/2009EP2027689A2 Modulation of a carrier radio signal by a mobile terminal in a wireless telecommunications network
02/25/2009EP1074128B1 Multicarrier signal receiver with correction of equalization faults induced by the trf window displacements
02/25/2009EP0983656B1 Method and apparatus for implementing a transmission connection
02/25/2009CN101375575A Multi-mode modulation apparatus
02/25/2009CN101375574A Polar modulation system
02/25/2009CN101375573A Methods and tools for expanding coverage of an OFDM broadcast transmitter via transmit timing advance
02/25/2009CN101375572A Decoding apparatus and decoding method
02/25/2009CN101375571A Multi-symbol signals including an initial symbol and an extension portion
02/25/2009CN101375570A Method and apparatus for pilot multiplexing in a wireless communication system
02/25/2009CN101375569A Method and a system for estimating a symbol time error in a broadband transmission system
02/25/2009CN101375568A Timing measurement for checking probes
02/25/2009CN101375567A Channel estimation method using recursive filtering and multi-carrier receiver with interference perception demodulation
02/25/2009CN101375541A An apparatus and method for hybrid automatic repeat request
02/25/2009CN101375537A Modulation parameter selecting method, modulation parameter selecting apparatus and communication apparatus
02/25/2009CN101374268A Method for implementing high speed multimedia broadcast technique of CDMA2000 system
02/25/2009CN101374137A Block synchronization method for single-carrier frequency domain equalizing system
02/25/2009CN101374136A Method and device for transmitting and receiving communication signal
02/25/2009CN101374135A Device and method for constructing frame structures
02/25/2009CN101374134A Method for estimating accurate frequency bias for time-domain synchronization OFDM receiver
02/25/2009CN101374133A Method and apparatus for distributing multi-district pilots, method and apparatus for transmitting data
02/25/2009CN101374132A Multiplex transmission method and system for multi-input multi-output OFDM system open loop space
02/25/2009CN101374131A Method and apparatus of timing synchronization, leading symbol as well as method and apparatus for generating the same
02/25/2009CN101374130A Synchronization method for multi-input multi-output OFDM system
02/25/2009CN101374129A Method for generating synchronization sequence based on OFDM, synchronization method and system
02/25/2009CN101374128A Transmission method and apparatus for multi-input multi-output OFDM system
02/25/2009CN101374127A Receiving method and apparatus for multi-input multi-output OFDM system
02/25/2009CN101374126A Method for restraining peak average power ratio of OFDM system
02/25/2009CN101374125A Method and apparatus for reducing PAR
02/25/2009CN101374036A Transmission diversity method and system for multi-input multi-output OFDM system
02/25/2009CN101374033A Method and apparatus for processing data of multi-input multi-output system
02/25/2009CN101374032A Wireless communication system, wireless communication device, and wireless communication method
02/25/2009CN101374019A Method for reflecting system information through relative modulation phase sequence in frequency domain
02/25/2009CN101374006A Multiplexing transmission method and system for multi-input multi-output OFDM system closed-loop space
02/25/2009CN101374002A Method for constructing synchronous signal of OFDM system
02/25/2009CN101373999A Pilot transmission method for down collaboration multi-point transmission
02/25/2009CN100464543C Compatible single-carrier OFDMA signal transmitting method
02/25/2009CN100464542C Ultra wide band radio communication method based on bicarrier and its device
02/24/2009US7496334 Transmitter apparatus and wireless communication apparatus
02/24/2009US7496163 AGC system, AGC method, and receiver using the AGC system
02/24/2009US7496162 Communication system with statistical control of gain
02/24/2009US7496161 Adaptive equalization system for a signal receiver
02/24/2009US7496160 Frequency offset detection processing system and frequency offset detection processing method using the same
02/24/2009US7496158 Swept bandpass filter frequency modulated continuous wave (FMCW) receiver and related method
02/24/2009US7496156 Receiver having digital timing recovery function
02/24/2009US7496155 Duty cycle correction of a multi-gigahertz clock signal with crossover point control
02/24/2009US7496152 Adaptive control apparatus
02/24/2009US7496151 Transmitting circuit, communication equipment, audio equipment, video equipment, and transmitting method
02/24/2009US7496146 Communication system
02/24/2009US7496134 Computationally and memory efficient tone ordering scheme
02/24/2009US7496129 Method and apparatus for space division multiple access receiver
02/24/2009US7496028 Apparatus and method for minimizing PAPR in an OFDM communication system
02/24/2009US7495520 Modulation device using frequency-shift keying
02/24/2009US7495481 Synthesizer
02/24/2009CA2536641C Tx line driver with common mode idle state and selectable slew rates
02/19/2009WO2009023835A1 Rate matching of messages containing system parameters
02/19/2009WO2009023799A2 Communication system using a shared baseband processor for transmission and reception over different bandwidths
02/19/2009WO2009023736A2 Frequency diverse transmissions in a wireless communication system
02/19/2009WO2009023730A2 Coding and multiplexing of control information in a wireless communication system
02/19/2009WO2009023657A2 Dqpsk transmitter with parallel precoder and high-speed dqpsk data stream realignment
02/19/2009WO2009023302A2 Communication using continuous-phase modulated signals
02/19/2009WO2009022970A1 Method and arrangement for feeding back cqi values in a telecommunication system
02/19/2009WO2009022866A1 Method of transmitting scheduling request signal
02/19/2009WO2009022710A1 Communication control method, mobile station, and base station
02/19/2009WO2009022706A1 Base station device
02/19/2009WO2009022704A1 User device, base station, and upstream link control channel configuration method
02/19/2009WO2009021407A1 A method and device for modulating the information of tfci
02/19/2009WO2009021382A1 Generation and detection of synchronization signals
02/19/2009WO2009021369A1 A method for adjusting dynamically the wireless resource block allocation based on the offsets
02/19/2009WO2009001281A3 A method for signalling allocation resource and a device therefor
02/19/2009WO2008157661A3 Communication units, communication system and methods for modulation and demodulation
02/19/2009WO2008142419A9 Ofdm-mimo radio frequency transmission system
02/19/2009WO2008129476A3 Pilot allocation in single frequency network
02/19/2009WO2008082262A3 Method for setting cyclic shift considering frequency offset
02/19/2009US20090046818 Reception device
02/19/2009US20090046815 Broadcasting receiver and broadcast signal processing method
02/19/2009US20090046814 In-phase signal and quadrature signal generator of multi-port network
02/19/2009US20090046811 Transmitting apparatus, receiving apparatus, transmission method, and reception method
02/19/2009US20090046810 Gain weighted code combining system and method for combining bpsk codes
02/19/2009US20090046809 Sampling Demodulator for Amplitude Shift Keying (ASK) Radio Receiver
02/19/2009US20090046808 Rate matching and scrambling techniques for control signaling
02/19/2009US20090046807 Method and system for beamforming communication in wireless communication systems
02/19/2009US20090046805 Uplink control channel format
02/19/2009US20090046804 Network device and transmission method thereof