Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
12/2007
12/19/2007CN100356785C Base band OQAM signal generating method in digital ground broadcasting transmission
12/19/2007CN100356784C Data interlacing method in digital telerision broundcasting transmission
12/18/2007US7310503 Diversity reception device and diversity reception method
12/18/2007US7310393 Method and apparatus for synchronization of the OFDM systems
12/18/2007US7310378 Estimating a transmission channel with pilot symbols distributed in lattice structure
12/18/2007US7310367 Data demodulation for a CDMA communication system
12/18/2007US7310366 Procedure for estimating amplification factors of a CDMA signal
12/18/2007US7310364 Multirate, constant envelope, constant bandwidth, modulation, channelization and detection system based on orthogonal bipolar spreading vectors
12/18/2007US7310305 Method for determining reference phase in radio communication system which uses orthogonal M-ary modulation, and coherent detection method using the same
12/18/2007US7310304 Estimating channel parameters in multi-input, multi-output (MIMO) systems
12/18/2007US7310303 Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme
12/18/2007US7310302 Method for estimating time and frequency offset in an OFDM system
12/18/2007US7310301 Multi-carrier modulation with source information allocated over variable quality communication channel
12/13/2007WO2007142313A1 Receiver and frequency information estimation method
12/13/2007WO2007142233A1 Radio communication device and radio communication method in multi-carrier communication
12/13/2007WO2007142194A1 Communication system, transmission device, reception device, and synchronization method
12/13/2007WO2007142119A1 Communication device and radio communication system
12/13/2007WO2007142091A1 Ofdm reception device and ofdm receiver using the same
12/13/2007WO2007140670A1 A method for realizing synchronization in multiple input multiple output orthogonal frequency division multiplexing system
12/13/2007WO2007127251A3 Variable ofdm subchannel coding and modulation
12/13/2007WO2007091833A3 Method for transmitting pilot for multiple carrier system
12/13/2007WO2007084843A3 A transmitter, cellular communication system and method of transmitting therefor
12/13/2007WO2005101694A3 Versatile system for dual carrier transformation in orthogonal frequency division multiplexing
12/13/2007WO2005099147A3 Dynamic zero suffix addition
12/13/2007US20070287464 Frequency Channel Assigning System, Base Station, Control Station, Inter-System Common Control Apparatus, Frequency Channel Assigning Method and Control Method
12/13/2007US20070286301 Modulation Device, Modulation Method, and Demodulating Device
12/13/2007US20070286147 Method For Assigning Frequency Spectrum Bandwith Of An Ofdm And Ofdma Coexistence System
12/13/2007US20070286067 Methods and Systems for Implementing a Pseudo-Noise Signaling Mechanism in Wireless Communication
12/13/2007US20070286066 Communication Resource Allocation Systems and Methods
12/13/2007US20070286065 Timing and frequency acquisition for OFDM systems
12/13/2007US20070286063 OFDM in Fast Fading Channel
12/13/2007CA2752630A1 Enhanced channel estimation for communication system receiver
12/12/2007EP1865638A1 Transmitting apparatus, receiving apparatus, mobile communication system, and transmission control method
12/12/2007EP1865637A1 Wireless communication apparatus and wireless communication method
12/12/2007EP1865636A1 Radio receiving apparatus and radio receiving method
12/12/2007EP1865635A1 Wireless communication apparatus and wireless communication method
12/12/2007EP1865626A1 Receiving apparatus and receiving method used for downlink channel
12/12/2007EP1434373B1 Ofdm demodulation circuit and ofdm reception apparatus using the same
12/12/2007CN101088241A Allocating data bursts and supporting hybrid auto retransmission request in orthogonal frequency division multiplexing access radio access system
12/12/2007CN101088240A Wireless transmitter, wireless receiver and wireless communication system
12/12/2007CN101088239A Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands
12/12/2007CN101087377A Demodulating apparatus, demodulating method, and computer program
12/12/2007CN101087292A Communications system, transmitter, receiver, and communications method thereof
12/12/2007CN100355254C Hybrid frequency-time domain equalizer
12/12/2007CN100355231C Data transmission method having HARQ in multi-carrier system
12/11/2007US7308052 Radio transmitter apparatus and modulation scheme selecting method
12/11/2007US7308041 Method and transmitter for transmitting radio signals
12/11/2007US7308034 Method and device for tracking carrier frequency offset and sampling frequency offset in orthogonal frequency division multiplexing wireless communication system
12/11/2007US7308019 System and method for Fast Walsh Transform processing in a multi-coded signal environment
12/11/2007US7307974 System and method for channel estimation in an OFDM mobile communication system
12/11/2007US7307943 Mobile station, base station, communication system, and communication method
12/08/2007CA2549713A1 Method for co-channel interference suppression in orthogonal frequency division multiplexing (ofdm) systems with multiple receiving antennas
12/06/2007WO2007139119A1 Multi-path characteristic estimation method and device, reception method, reception signal correction method, and device
12/06/2007WO2007139026A1 Receiver and propagation path estimation method
12/06/2007WO2007138949A1 Wireless base station and method for controlling wireless base station
12/06/2007WO2007138753A1 Encoded signal arrangement method in multi-carrier communication and communication device
12/06/2007WO2007138666A1 Radio base station apparatus
12/06/2007WO2007138664A1 Scheduling method and communication apparatus
12/06/2007WO2007138650A1 Mobile communication system
12/06/2007WO2007137489A1 Signal receiving and transmitting method in the Orthogonal Frequency Division Multiplexing system and apparatus thereof
12/06/2007WO2005053198A3 Method for allocating pilot subcarriers, method and device for transmitting and receiving pilot subcarriers in orthogonal frequency division multiplex system
12/06/2007US20070280099 Multiframe alignment in multipoint-to-point communication using orthogonal frequency division multiplexing
12/06/2007US20070280098 Method, apparatus and computer program product providing synchronization for OFDMA downlink signal
12/06/2007US20070280097 Impulsive noise suppression scheme in orthogonal frequency division multiplexing
12/06/2007DE102006057103A1 Transmission channels estimating method for e.g. multiple-input-single-output orthogonal frequency-division multiplexing transmission system, involves compensating phase shifts in estimated values of respective transfer function
12/05/2007EP1863241A2 Channel tracking and signal detection in MIMO systems
12/05/2007EP1863188A2 Signal reception time period detector
12/05/2007CN101084695A Systems and methods for use with orthogonal frequency division multiplexing
12/05/2007CN101084641A Efficient transmission of signaling using channel constraints
12/05/2007CN101084637A Method and system for link adaptation in an orthogonal frequency division multiplexing (ofdm) wireless communication system
12/05/2007CN101083663A Data transmission method of mobile multimedia system
12/05/2007CN101083651A Communication system using OFDM for one direction and dsss for another direction
12/05/2007CN101083648A OFDM receiver, interference wave discernment method, window control apparatus and window control method
12/05/2007CN101083647A Method for realizing synchronization in multi-input multi-output OFDM system
12/05/2007CN101083645A Low complexity OFDM quick synchronising method
12/05/2007CN101083508A OFDM modulation system performance test method based on low peak-valley ratio sequence transmission
12/05/2007CN101083469A Tuner, digital demodulating apparatus, controlling method of the apparatus, computer program product for the apparatus, recording medium recording thereon the product, and digital receiver
12/04/2007US7305214 Received response characteristics storing method and radio apparatus utilizing the same
12/04/2007US7305213 Receiver and wireless LAN apparatus in which a received signal is correlated to a reference symbol
12/04/2007US7305053 Dat-aided frequency offset detection using phase unwrapping
12/04/2007US7305051 Optimum training sequences for wireless systems
12/04/2007US7305039 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
12/04/2007US7305001 ADSL modem apparatus and ADSL modem communication method
12/04/2007US7304939 Communication using simultaneous orthogonal signals
11/2007
11/29/2007WO2007136529A2 Scalable spectrum cdma communication systems and methods with dynamic orthogonal code allocation
11/29/2007WO2007136056A1 Receiver and receiving method
11/29/2007WO2007136036A1 Ofdm demodulation device
11/29/2007WO2007135733A1 Radio base station apparatus
11/29/2007WO2007134406A1 Method and apparatus for multicarrier communications
11/29/2007WO2007081657A3 Use of timing and synchronization of an orthogonal frequency division multiplex in combined satellite-terrestrial network
11/29/2007US20070275682 Digital broadcast reception apparatus and reception method
11/29/2007US20070275680 Tuner, digital demodulating apparatus, controlling method of the apparatus, computer program product for the apparatus, recording medium recording thereon the product, and digital receiver
11/29/2007US20070274407 Decoding System And Method For Digital Communications
11/29/2007US20070274405 Digital broadcast receiver, mobile terminal and channel search method
11/29/2007US20070274203 Radio communication apparatus and communication method
11/29/2007US20070274202 Forward-looking tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing
11/29/2007US20070274201 Communications system, transmitter, receiver, and communications method thereof
11/29/2007US20070274200 Remote band scanning in multipoint-to-point orthogonal frequency division mulitiplexing communication
11/29/2007US20070274199 Method and system for modifying modulation of power line communications signals for maximizing data throughput rate
11/29/2007CA2774221A1 Phase correction for ofdm and mimo transmissions