Patents for H04L 27 - Modulated-carrier systems (89,721)
12/2008
12/11/2008WO2008150064A1 Method and apparatus for communicating with a heterogeneous terminal
12/11/2008WO2008149981A1 Modulation device and pulse wave generation device
12/11/2008WO2008149323A2 Multi-code precoding for othogonal multicarrier modulation
12/11/2008WO2008149314A2 Apparatus, method and computer program product providing flexible preamble sequence allocation
12/11/2008WO2008149263A2 System and method for scheduling and transferring data through a transmission system
12/11/2008WO2008149082A1 Apparatus and method for coded orthogonal frequency- division multiplexing
12/11/2008WO2008148837A2 Method and apparatus for transmitting encoded data in an ofdm wireless communication system
12/11/2008WO2008104801A3 Signal decoding systems
12/11/2008WO2007140359A3 Versatile system for interference tolerant packet detection in wireless communication systems
12/11/2008WO2007133651A8 High-efficiency transmission of information through narrowband channels based on ultra spectral modulation
12/11/2008WO2007089110A3 A method of transmitting and receiving data using superposition modulation in a wireless communication system
12/11/2008US20080307249 Digital mixing system with double arrangement for fail safe
12/11/2008US20080305822 Methods and Apparatus for Random Access in Multi-Carrier Communication Systems
12/11/2008US20080304604 Apparatus and Method for Detecting Frame Boundary in Wireless Communication System
12/11/2008US20080304603 Methods and apparatus for initial acquisition gain control in a communication system
12/11/2008US20080304602 Digital broadcasting system and method of processing data
12/11/2008US20080304601 Method and apparatus for processing satellite positioning system signals to obtain time information
12/11/2008US20080304600 Signal processor for estimating signal parameters using an approximated inverse matrix
12/11/2008US20080304597 System and method for decoding automatic identification system signals
12/11/2008US20080304595 DSP workload distribution in a power line carrier system
12/11/2008US20080304594 Methods and apparatus for reducing peak-to-rms amplitude ratio in communication signals
12/11/2008US20080304591 Apparatus and Method for Estimating Channel in Communication System Supporting Ofdm/Ofdma
12/11/2008US20080304590 Method and apparatus for transmission from multiple non-collocated base stations over wireless radio networks
12/11/2008US20080304589 Wireless receiver, method for controlling the wireless receiver, program for controlling the wireless receiver, and semiconductor integrated circuit
12/11/2008US20080304588 Methods and apparatus for mapping control channels to resources in OFDM systems
12/11/2008US20080304587 Ofdm Reception Device
12/11/2008US20080304585 Method For Suppressing The Inter-Carrier Interference In The Orthogonal Frequency Division Multiplexing Mobile Communication System
12/11/2008US20080304584 Radio Transmission Device and Radio Reception Device
12/11/2008US20080304583 Radio Transmission Device, Radio Reception Device, Radio Transmission Method, and Radio Reception Method
12/11/2008US20080304582 Multi-Carrier Transmission Device and Multi-Carrier Transmission Method
12/11/2008US20080304580 Transmission system, transmitter, receiver, and transmission method
12/11/2008US20080304559 System for automatic bandwidth control of equalizer adaptation loops
12/11/2008US20080304558 Hybrid time-frequency domain equalization over broadband multi-input multi-output channels
12/11/2008US20080304556 Multi-Value Modulation/Demodulation Method and Multi-Value Modulation/Demodulation Device
12/11/2008US20080304555 Method and Arrangement for Improved Relaying
12/11/2008US20080304551 Methods and Apparatus for Overlaying Multi-Carrier and Direct Sequence Spread Spectrum Signals in a Broadband Wireless Communication System
12/11/2008US20080304440 Terminal and Method for Accessing Wireless Connection
12/11/2008US20080303699 MIMO wireless precoding system robust to power imbalance
12/11/2008DE102008012347A1 Entfernungsmessvorrichtung, Positionsbestimmungsvorrichtung und Verfahren zur Entfernungsmessung und Positionsbestimmung für diese Distance measuring device, position determination apparatus and method for distance measurement and position determination for this
12/11/2008DE102004054070B4 Verfahren und Vorrichtung zur Verringerung des Crestfaktors eines Signals Method and device for reducing the crest factor of a signal
12/11/2008DE10049525B4 Vorrichtung und Verfahren zur Berechnung eines Korrelationswertes entsprechend einem Frequenzfehler und Speichermedium mit einem gespeicherten Korrelationswert-Berechnungsprogramm Device and method for calculating a correlation value corresponding to a frequency error and a storage medium having stored correlation value calculation program
12/11/2008CA2688534A1 Methods and apparatus for channel interleaving in ofdm systems
12/11/2008CA2687550A1 Pseudo-random sequence mapping in wireless communications
12/11/2008CA2681618A1 Methods and apparatus for improved utilization of air link resources in a wireless communications system
12/10/2008EP2001184A2 Control data signalling in SC-FDMA communication systems
12/10/2008EP2001183A1 Method for diversity allocating same user's codewords on plural OFDMA bands in a wireless communication network
12/10/2008EP1999956A1 Method for transmitting and receiving traffic information and apparatus thereof
12/10/2008EP1999955A1 Method for transmitting and receiving traffic information and apparatus thereof
12/10/2008EP1999954A1 Method for transmitting and receiving tranffic information and apparatus thereof
12/10/2008EP1999924A2 Method of ofdma tone interference cancellation
12/10/2008EP1999923A1 Method and arrangement in wireless communication networks using relaying
12/10/2008EP1999922A2 Frequency synchronization for multicarrier transmission
12/10/2008EP1999921A2 Frequency limiting amplifier in a fsk receiver
12/10/2008EP1999920A2 Communications system with baseband pilot injected carrier (bpic) modulation/demodulation and frame recovery and related methods
12/10/2008EP1999919A1 Video over cable modem
12/10/2008EP1999881A2 Amended control for resource allocation in a radio access network
12/10/2008EP1999879A2 Method for adaptive quadrature amplitude modulation signal constellation remapping for data packet retransmissions
12/10/2008EP1999876A1 Feedback of channel state information for mimo and subband scheduling in a wireless communication system
12/10/2008EP1999863A2 A method of reducing overhead for multi-input, multi-output transmission system
12/10/2008EP1999862A1 Mimo receiver and method for beamforming using cordic operations
12/10/2008EP1681822B1 Peak to average power ratio control in wireless communication systems
12/10/2008EP1678905B1 Rate selection for a multi-carrier mimo system
12/10/2008EP1665708A4 Method for amplitude insensitive packet detection
12/10/2008EP1234386B1 Method of implementing a repeater, and a transceiver unit
12/10/2008CN101322372A Method and device for transmission of organisational information in a multicarrier communication system
12/10/2008CN101322371A OFDM cognitive radio with zero overhead signalling of deleted subcarriers frequencies
12/10/2008CN101322370A Orthogonal demodulation device, orthogonal demodulation method, and program orthogonal demodulation
12/10/2008CN101322369A Method and device for confirming frequency offset of receiver
12/10/2008CN101322367A Orthogonal frequency division multiplexing signal receiving method in a multi-antenna mode and device thereof
12/10/2008CN101322366A Method and system of channel estimation
12/10/2008CN101322365A Noise power interpolation in a multi-carrier system
12/10/2008CN101322333A Radio-communication device and radio-communication method
12/10/2008CN101322329A Method and device for improving relay
12/10/2008CN101322327A Scheduling in wireless multi-hop relay network
12/10/2008CN101321281A Method and apparatus for simultaneously retrieving portions of a data stream from different channels
12/10/2008CN101321151A Base band wave absorption method, apparatus and communication system
12/10/2008CN101321150A Combined synchronization process and its receiving terminal based on two-dimension short time slippage self-correlation
12/10/2008CN101321149A Training sequence generation module and method
12/10/2008CN101321148A Wireless receiver, method for controlling the wireless receiver, and semiconductor integrated circuit
12/10/2008CN101321147A Peak-to-average ratio restraining method and device in multi-carrier orthogonal frequency division multiplexing system
12/10/2008CN101321146A Peak-to-average ratio restraining method and device in multi-carrier orthogonal frequency division multiplexing system
12/10/2008CN101321145A Method for on-line updating DSL parameter
12/10/2008CN101321144A Multi-input multi-output orthogonal frequency division multiplexing system transmission method and transceiver
12/10/2008CN101321143A Orthogonal frequency division multiplexing transmission and receiving method and device
12/10/2008CN101321142A Son-carrier wave distribution method, resource mapping apparatus, data transmission method and device
12/10/2008CN101321141A Receiving apparatus, program and receiving method
12/10/2008CN101321046A System and method for communicating data in xDSL using data retransmission
12/10/2008CN101321042A Diversity method and receiver
12/10/2008CN101321041A Method and system for parameter selection of diversity receiver
12/10/2008CN101321040A Transmitter, data transmission method and receiver, data receiving method
12/10/2008CN101321013A System and method for transmission of data
12/10/2008CN101321002A Signal perception method and device
12/10/2008CN101320994A Signal detection method and apparatus for OFDM system
12/10/2008CN100442793C OFDM signal frame generator with adaptive pilot and data arrangement
12/10/2008CN100442655C System for controlling the frequency of an oscillator
12/10/2008CN100442272C Digital signal processing device
12/09/2008US7463704 Multi-chain signal detection and gain control for automatic gain control systems
12/09/2008US7463703 Joint symbol, amplitude, and rate estimator
12/09/2008US7463702 System and method for one-pass blind transport format detection
12/09/2008US7463701 Fast symbol timing recovery for transmitted digital data