Patents for H04L 27 - Modulated-carrier systems (89,721)
08/2007
08/02/2007US20070177584 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
08/02/2007US20070176676 Modulation signals for a satellite navigation system
08/02/2007CA2635212A1 A method of packet format dependent selection of mimo-ofdm demodulator
08/01/2007EP1814277A2 Noise cancelling method and apparatus
08/01/2007EP1814276A1 Method for phase noise compensation in ofdm receiver, and corresponding device and receiver thereof
08/01/2007EP1814275A2 Multicarrier radio communication system utilizing a radio frame format suitable for reducing peak power
08/01/2007EP1814274A1 OFDM demodulator, receiver and method
08/01/2007EP1814251A1 Communication method and radio transmitter
08/01/2007EP1814236A1 Combined OFDM and CDMA transmission on different slots or frequencies sharing a same processing
08/01/2007EP1813072A2 Systems and methods for high-efficiency transmission of information through narrowband channels
08/01/2007EP1813071A1 Method and apparatus for carrier recovery using multiple sources
08/01/2007EP1813070A1 Method and apparatus for carrier recovery using phase interpolation with assist
08/01/2007EP1813069A2 Systems and methods for vector power amplification
08/01/2007EP1813068A1 A system for distributing radio signal
08/01/2007EP1813047A2 Systems and methods for adaptive vdsl with variable sampling frequency and time-domain equalizer
08/01/2007EP1813044A1 Transmission format indication and feedback in multi-carrier wireless communication systems
08/01/2007EP1813033A1 Methods and apparatus for parametric estimation in a multiple antenna communication system
08/01/2007EP1812891A2 Apparatus for wavelet modulation by adaptive filter bank
08/01/2007EP1588517B1 Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver
08/01/2007EP1506655B1 Modified psk constellation to facilitate carrier recovery
08/01/2007EP1401134B1 Automatic gain control circuit and method and demodulation apparatus
08/01/2007EP1084554B1 Procedure and device for transmitting information by radio
08/01/2007EP1018253B1 Adjustment of the sampling frequency in a multicarrier receiver
08/01/2007CN1330193C A bit synchronizer for difference offset four-phase keying demodulator
08/01/2007CN101010922A Method and apparatus for calculating log-likelihood ratio for decoding in a receiver for a mobile communication system
08/01/2007CN101010899A Data communication apparatus
08/01/2007CN101010883A Interference canceller with fast phase adaptation
08/01/2007CN101009936A A verification method, device and communication system for the identification code of the temporary mobile user
08/01/2007CN101009933A Apparatus and method for determining uplink priority in a wireless mobile communication system
08/01/2007CN101009848A Digital transmission system with enhanced multiplexing data in VSB transmission system
08/01/2007CN101009785A Constellation mapping and interweaving method and device in the digital TV system
08/01/2007CN101009675A Multicarrier radio communication system
08/01/2007CN101009674A The method for bluetooth transmission speed of adaptability-enhanced transmitter and receiver
08/01/2007CN101009673A A blind detection method for the chaos signals and its application in the communication
08/01/2007CN101009541A Disturbance coordination method and device of OFDMA system
08/01/2007CN101009517A Broadband frequency selection method for multi-filter
08/01/2007CN101009513A Cell synchronization method and initial cell searching method for broadband time-division dual-duplex cellular system
08/01/2007CN101009512A Wireless transfer communication OFDM access system and method
08/01/2007CN101009510A Transmitter and transmitting method in multiple transmitting antenna communication system
08/01/2007CN101009508A Method of separating signals in a cellular multi-carrier telecommunication system
08/01/2007CN101009497A Wireless communication device, IC for wireless communication device and method for adjusting frequency of wireless communication device
07/2007
07/31/2007US7251467 Telecommunications using a tunable oscillator
07/31/2007US7251462 Modulation circuit device, modulation method and radio communication device
07/31/2007US7251300 Method and apparatus for frequency tracking based on recovered data
07/31/2007US7251299 Time delay estimator
07/31/2007US7251298 Receiver architecture eliminating static and dynamic DC offset errors
07/31/2007US7251295 Apparatus for recovering carrier
07/31/2007US7251293 Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
07/31/2007US7251289 Data transmission method and data transmission apparatus
07/31/2007US7251288 Wireless communication transmitter and receiver
07/31/2007US7251285 Method and apparatus for transmitting and receiving using turbo code
07/31/2007US7251284 QAM receiver
07/31/2007US7251283 Timing offset compensation in orthogonal frequency division multiplexing systems
07/31/2007US7251282 Receiver and method to detect and synchronize with a symbol boundary of an OFDM symbol
07/31/2007US7251281 Method and apparatus for continuous cross-channel interleaving
07/31/2007US7251274 Multichannel adaptive equaliser
07/31/2007US7251272 Radio communication apparatus and channel estimating method
07/31/2007US7251268 Rake receiver
07/31/2007US7250987 Method and system for an integrated VSB/QAM/NTSC/OOB plug-and-play DTV receiver
07/31/2007US7250906 Methods and apparatus for identifying asset location in communication networks
07/31/2007US7250848 Power line communication apparatus and method of using the same
07/31/2007CA2439572C Method and apparatus for performing digital communications
07/31/2007CA2174344C Variable rate signal transmission in a spread spectrum communication system using coset coding
07/26/2007WO2007084988A2 Method and apparatus for pilot multiplexing in a wireless communication system
07/26/2007WO2007084898A2 Multi-symbol signals including an initial symbol and an extension portion
07/26/2007WO2007084482A2 Methods and apparatus for mapping an uplink control channel to a physical channel in a single carrier frequency division multiple access system
07/26/2007WO2007084366A1 Wireless communications system employing ofdma and cdma techniques
07/26/2007WO2007084047A1 Broad-cast centric cellular communication system, method, and mobile station
07/26/2007WO2007084046A1 Broadcast-centric cellular communication system, method, and mobile station
07/26/2007WO2007083912A1 Method and apparatus for transmitting synchronization signals in an ofdm based cellular communications system
07/26/2007WO2007083902A1 Method and device for estimating channel of uplink signal in wireless communication system
07/26/2007WO2007083782A1 Communication device
07/26/2007WO2007083281A1 Cartesian modulation system via multi-level pulse width modulation
07/26/2007WO2007083272A1 Radio communication system
07/26/2007WO2007083081A1 A method of resource allocation in a communication system
07/26/2007WO2007082892A1 Timing measurement for checking probes
07/26/2007WO2007082792A1 Method for transmitting signals in a radio communication system
07/26/2007WO2007082614A1 Method for coding data symbols
07/26/2007WO2007082609A1 Method for digital wireless message transmission over a broadband mobile radio channel
07/26/2007WO2007082372A1 Approximate linear fm synchronization symbols for a bandwidth configurable ofdm modem
07/26/2007WO2007067136A3 Method and system of channel estimation
07/26/2007WO2007064286A3 Hopping pilot pattern for telecommunications
07/26/2007WO2006107911B1 Method and apparatus for reference symbol aided channel estimation
07/26/2007US20070174890 Synchronized multipoint-to-point communication using orthogonal frequency division
07/26/2007US20070173271 Radio channel allocation and link adaption in cellular telecommunication system
07/26/2007US20070173213 Cartesian loop transmitter and method of adjusting an output level of such transmitter
07/26/2007US20070173203 Frequency offset compensation for communication systems
07/26/2007US20070172007 Decoding of bi-phase encoded data
07/26/2007US20070172003 Dtv receiver and method of processing a broadcast signal in dtv receiver
07/26/2007US20070172002 Demodulation circuit and demodulating method
07/26/2007US20070172001 Demodulation circuit and demodulation method
07/26/2007US20070172000 Modulation method and demodulation method achieving high-quality modulation-and-demodulation performance, and modulation apparatus, demodulation apparatus receiving apparatus using the same
07/26/2007US20070171999 Carrier phase ambiguity correction via dc offset
07/26/2007US20070171998 Method and system for decoding multilevel signals
07/26/2007US20070171996 Wireless communication apparatus and method, and signal attenuation prediction apparatus and method
07/26/2007US20070171961 Method and apparatus for spreading and modulating communication signals
07/26/2007US20070171940 Selectable training signals based on stored previous connection information for DMT-based system
07/26/2007US20070170985 Contactless ic card system
07/26/2007DE60121373T2 Verfahren und system zum transfer von amr-zeichengaberahmen auf halbratenkanälen Method and system for transfer of amr-sign shroud or on semi advise channels
07/26/2007DE112005000434T5 Gerät, Verfahren, Programm und Speichermedium zur Quadraturmodulation Device, method, program, and storage medium for quadrature modulation