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)
10/2007
10/31/2007CN101065918A Radio communication method, radio communication system and radio communication equipment
10/31/2007CN101064955A Device and method for allocating channel resource
10/31/2007CN101064942A Dynamic channel allocation and spatial feature extraction and wave beam forming method
10/31/2007CN101064905A Wireless system frequency resources distribution method, equipment and wireless communication system
10/31/2007CN101064903A Communication system resource distribution indicated method, base station and user equipment
10/31/2007CN101064710A Communication apparatus based on multi-carrier modulation system with simultaneous transmission and reception in the same frequency band
10/31/2007CN101064709A device and method for reducing bit expense of indicating channel resource
10/31/2007CN101064708A Multi-carrier system frequency resource mapping method and apparatus
10/31/2007CN101064707A Bandlimited stochastic sequence generating method and its apparatus
10/31/2007CN101064706A Time-frequency resource distributing method and its apparatus and wireless communication system
10/31/2007CN101064705A Carrier resource distribution system and method
10/31/2007CN101064704A Multi-frequency point OFDM signal frequency converting method and apparatus
10/31/2007CN101064703A Base station transmission signal orthogonalizing method and system in OFDM access base station
10/31/2007CN101064702A Method for estimating frequency offset of OFDM communication system
10/31/2007CN101064701A Method for transmitting measurement pilot and its user terminal, system
10/31/2007CN101064700A Method for synchronization of multi-input multi-output OFDM system
10/31/2007CN101064585A Multi-layer channel decoding method
10/31/2007CN101064584A Multi-layer channel decoding method
10/31/2007CN101064578A Ofdma communication apparatus
10/31/2007CN101064562A Device and method for reducing bit expense of resource distribution information in control signaling
10/31/2007CN101064559A Resource distribution method and system
10/31/2007CN101064542A MIMO OFDMLaunching aerial selection and self-adapting modulation approach of system
10/31/2007CN101064528A Pilot sequence generating method, apparatus and cell initial search method and system
10/31/2007CN101064519A Transmission circuit, and communication apparatus using the same
10/31/2007CN100346593C Communication system, receiver apparatus and communicating method
10/31/2007CN100346587C Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system
10/31/2007CN100346586C Method of signal transmission in digital terrestrial broadcast transmission system
10/31/2007CN100346346C Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system
10/30/2007USRE39902 Communication system
10/30/2007US7289834 Antenna signal processing systems
10/30/2007US7289776 Nonlinear distortion compensation circuit with feedback and baseband reference signal that are phase and amplitude controllable
10/30/2007US7289765 OFDM demodulator
10/30/2007US7289589 Maximum likelihood bit synchronizer and data detector
10/30/2007US7289588 Apparatus and method for generating a preamble sequence in an OFDM communication system
10/30/2007US7289585 Multicarrier receivers and methods for separating transmitted signals in a multiple antenna system
10/30/2007US7289581 Receiving apparatus
10/30/2007US7289580 Channel estimator using one or more correlation reference vectors to eliminate data related noise
10/30/2007US7289579 Information reproducing apparatus using maximum likelihood decoding method
10/30/2007US7289578 Wireless local area network apparatus
10/30/2007US7289577 Modulation method and radio communication system
10/30/2007US7289574 Method of link adaptation in enhanced cellular systems to discriminate between high and low variability
10/30/2007US7289573 Modulator/transmitter apparatus and method
10/30/2007US7289572 Method and system for scalable pre-driver to driver interface
10/30/2007US7289571 Method for contactless data transmission and transponder for a contactless data transmission system
10/30/2007US7289567 Apparatus and method for transmitting and receiving data using partial chase combining
10/30/2007US7289566 Cable modem tuner
10/30/2007US7289557 Adaptive equalization using a conditional update sign-sign least mean square algorithm
10/30/2007US7289553 Isolator and a modem device using the isolator
10/30/2007US7289551 System, method and computer program product for demodulating quadrature amplitude modulated signals
10/30/2007US7289427 Enhanced ARQ with OFDM modulation symbols
10/30/2007US7289425 Parallel orthogonal frequency division multiplexed communication system
10/30/2007CA2409192C Multi-dimensional orthogonal resource hopping multiplexing communications method and apparatus
10/30/2007CA2306806C Signaling using phase rotation techniques in a digital communications system
10/30/2007CA2290596C System for the transmission of high-rate value-added services by terrestrial broadcasting
10/30/2007CA2226723C Pulse shaping for multicarrier modulation
10/25/2007WO2007121385A1 Methods and apparatus related to composite beacon and wideband synchronization signaling
10/25/2007WO2007121366A1 Methods and apparatus related to using a wireless terminal scrambling identifier
10/25/2007WO2007121346A1 Method and apparatus for clock correction in mimo ofdm
10/25/2007WO2007121333A2 Overhead signaling in a wireless communication system
10/25/2007WO2007121112A2 Systems, methods and devices for dual closed loop modulation controller for nonlinear rf amplifier
10/25/2007WO2007120020A1 Transmission method of mobile station for random access channel diversity
10/25/2007WO2007120019A1 Transmission method of mobile station for random access channel diversity
10/25/2007WO2007120017A2 Method for resource allocation in harq
10/25/2007WO2007119542A1 Signalling of resource allocations in a communication system
10/25/2007WO2007119388A1 Method of transmitting ofdm signal and transmitter and receiver thereof
10/25/2007WO2007118906A2 Method for the modulation of a carrier in phase and in amplitude
10/25/2007WO2007118573A1 Digital transmission method
10/25/2007WO2007090995A3 Method for receiving a signal using an improved propagation channel estimate, corresponding receiver device and computer programme product
10/25/2007WO2007014261A3 Cellular pc modem architecture and method of operation
10/25/2007WO2006124060A3 Sample rate conversion module and applications thereof
10/25/2007WO2006096779A8 Symbol stream virtual radio organism method & apparatus
10/25/2007WO2005109732A8 Low power direct conversion rf transceiver architecture and asic and systems including such
10/25/2007WO2005104393A3 Additional hierachical preamble for support of fdma channel in a multi-band ofdm system
10/25/2007WO2005086903A3 System and method for adaptive bit loading source coding via vector quantization
10/25/2007WO2005055443A3 Method to optimize hierarchical modulation for a diversity system
10/25/2007WO2002013160A3 Electronic device, especially a field device
10/25/2007US20070249297 Transmitter and semiconductor integrated circuit for communication
10/25/2007US20070248197 Automatic Gain Control Apparatus and Method in Orthogonal Frequency Division Multiplexing
10/25/2007US20070248196 Method and apparatus for receiving signals by a plurality of antennas
10/25/2007US20070248195 Apparatus for and method of robust packet detection and frequency offset estimation
10/25/2007US20070248194 Method of detecting a predetermined sequence in an RF signal using a combination of correlation and FFT
10/25/2007US20070248193 Method for fine timing acquisition
10/25/2007US20070248192 Data slicer circuit, demodulation stage, receiving system and method for demodulating shift key coded signals
10/25/2007US20070248191 Baseband sample selection
10/25/2007US20070248190 Iterative Decoding with Intentional SNR/SIR Reduction
10/25/2007US20070248189 Symbol timing detector and wireless terminal
10/25/2007US20070248188 Method for modulating a signal
10/25/2007US20070248187 Vsb transmission system
10/25/2007US20070248183 Digital Broadcasting Transmission/Reception System Having Improved Receiving Performance and Signal Processing Method Thereof
10/25/2007US20070248180 Receiver for object locating and tracking systems and related methods
10/25/2007US20070248178 Proportional fair scheduler for OFDMA wireless systems
10/25/2007US20070248174 Method and System for Implementing Multiple-In-Multiple-Out Ofdm Wireless Local Area Network
10/25/2007US20070248173 OFDMA based on cognitive radio
10/25/2007US20070248154 Splitterless multicarrier modem
10/25/2007US20070248149 Spread code allocating method, despreading method, transmitting device, receiving device, communicating device, wireless base station device, and mobile terminal device
10/25/2007US20070248146 Methods and systems for tone hopping
10/25/2007US20070248063 Distributed Resource Reservation in a Wireless Adhoc Network
10/25/2007US20070248002 Demodulation Apparatus for Efficiently Embodying Adaptive Modulation and Coding Method in Ofdma Based Packet Communication System and Method Thereof
10/25/2007US20070248001 Method and system for forward-looking tone allocation
10/25/2007US20070247252 Ascertaining zero crossing of a carrier waveform for transmitting and receiving signals with substantially no sidebands
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