Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
10/2008
10/01/2008CN101278507A Code division multiplexing in a single-carrier frequency division multiple access system
10/01/2008CN101277288A Method of synchronization of orthogonal frequency division multiplexing system frequency
10/01/2008CN101277126A Method for tracing mobile channel and detecting signal as well as receiving terminal
10/01/2008CN100423472C Radio communication system with adaptive interleaver
09/2008
09/30/2008US7430256 Method and apparatus for providing channel state information
09/30/2008US7430243 Space-time-frequency coded OFDM communications over frequency-selective fading channels
09/30/2008US7430163 Data stream transmission preprocessing
09/30/2008CA2357551C Multicarrier transmission system with low power sleep mode and rapid-on-capability
09/25/2008WO2008115112A1 Method and arrangement in a telecommunication system
09/25/2008WO2008114956A1 Efficient uplink feedback in a wireless communication system
09/25/2008WO2008114837A1 Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation
09/25/2008WO2008114724A1 Base station device, mobile station and wireless communication system, and communication control method
09/25/2008WO2008114694A1 User device, base station device, and method
09/25/2008WO2008114541A1 Wireless communication system, base station, terminal device, and wireless communication method
09/25/2008WO2007081173A3 Method and apparatus for generating and receiving ofdm symbol
09/25/2008WO2007069830A3 Transmitting apparatus and transmitting method of base station, and receiving apparatus and communication method of ue in mobile communication system
09/25/2008US20080233901 Radio Communication Apparatus and Peak Suppression Method
09/25/2008US20080233878 Radio System and Radio Communication Device
09/25/2008US20080232519 Method and apparatus for compensating channel changes for fast fading channels
09/25/2008US20080232241 Superimposed Composite Channel Filter
09/25/2008US20080232240 Method and apparatus for resource allocation within a multi-carrier communication system
09/25/2008US20080232239 Method and Apparatus for Communicating Orthogonal Pilot Tones in a Multiple Antenna Communication System
09/25/2008US20080232238 Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
09/25/2008US20080232237 Method and apparatus for robust timing recovery of ofdm system for fast fading channels
09/25/2008US20080232236 Method and apparatus for channel estimation of ofdm with frequency inserted pilots
09/25/2008US20080232235 Systems and methods for reducing peak to average cross-correlation for sequences designed by alternating projections
09/25/2008US20080232234 Channel sounding techniques for a wireless communication system
09/25/2008CA2680872A1 Base station, mobile station, radio communication system, and communication control method
09/25/2008CA2680710A1 Efficient uplink feedback in a wireless communication system
09/24/2008EP1973251A1 Radio communication base station device and report channel signal transmission band setting method
09/24/2008EP1972119A2 Pilot scrambling in communications systems
09/24/2008CN101273646A Communication terminal apparatus, communication control apparatus, communication system, and communication method
09/24/2008CN101273567A Cross polarization interference compensating method, and cross polarization interference compensating device
09/24/2008CN101273566A Apparatus and method for simultaneous testing of multiple orthogonal frequency division multiplexed transmitters with single vector signal analyzer
09/24/2008CN101273565A Radio communication system and its method
09/24/2008CN101273564A Signaling optimization and selection validation for selection of transmitting antenna with error feedback
09/24/2008CN101272368A Method and device for stacking pseudorandom sequence on OFDM signal
09/24/2008CN101272234A Data transmission method and system for OFDM system
09/24/2008CN100421364C Method for distributing physical layer resources and device for receiving and transmitting data stream
09/23/2008US7428267 Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof
09/23/2008US7428248 Code allocation method in an MC-CDMA telecommunication system
09/23/2008CA2365087C Automatic power control system for a code division multiple access (cdma) communications system
09/18/2008WO2008111686A1 Systems and methods for improving reference signals for spatially multiplexed cellular systems
09/18/2008WO2008111471A1 Ofdm modulated wave output device and distortion compensation method
09/18/2008WO2008111317A1 Radio transmission device and radio transmission method
09/18/2008WO2008111224A1 Base station and method used in mobile communication system
09/18/2008WO2008111131A1 Radio resource assigning method and mobile communication system to which the same is applied
09/18/2008WO2008111126A1 Multi-carrier communication apparatus
09/18/2008WO2007147231A8 Methods and systems for wireless networks with relays
09/18/2008US20080225978 Method and apparatus for synchronization for mimo tds-ofdm system
09/18/2008US20080225977 Method and apparatus for mimo channel estimation in a tds-ofdm system downlink using a sub-space algorithm in the frequency domain
09/18/2008US20080225968 Method and apparatus for mimo channel estimation using tds-ofdm in downlink transmission in the frequency domain
09/18/2008US20080225694 Method and apparatus for id identification using pn for tds-ofdm in transmission
09/18/2008US20080225693 Method and apparatus for uplink scheduling signaling in a wireless communication
09/18/2008US20080225692 Systems and method for orthogonal frequency divisional multiplexing
09/18/2008US20080225691 Systems and method for orthogonal frequency divisional multiplexing
09/18/2008US20080225690 Systems and method for orthogonal frequency divisional multiplexing
09/18/2008US20080225689 Orthogonal frequency division multiplexing having tones with overlaid data and pilot symbols
09/18/2008CA2656447A1 Ofdm-modulated-wave output unit and distortion compensating method
09/17/2008EP1971096A2 Method and apparatus to enable fast decoding of transmissions with multiple code blocks
09/17/2008EP1971059A1 Wireless transmitter, wireless receiver, wireless communication system, wireless transmission method, and wireless reception method
09/17/2008EP1971058A1 Transmission processing method and base station in mobile communication system
09/17/2008EP1971042A1 Radio transmitter and radio transmission method
09/17/2008EP1969791A1 A method and apparatus for measurement report for the decision of transmission mode transition
09/17/2008EP1969745A2 Use of timing and synchronization of an orthogonal frequency division multiplex in combined satellite-terrestrial network
09/17/2008EP1969744A2 Apparatus for transmitting data using carriers and method thereof
09/17/2008CN101268643A Apparatus and method for simultaneous testing of multiple orthogonal frequency division multiplexed transmitters with single vector signal analyzer
09/17/2008CN101267422A A frequency domain channel estimation method for OFDM multiplex system
09/17/2008CN101267416A Transmitter, receiver and its method for flexible OFDM multi-address uplink transmission
09/17/2008CN101267226A An information sending method for auxiliary synchronization channel and cell search method
09/17/2008CN100420248C Cell search method for orthogonal frequency division multiplexing based cellular communication system
09/17/2008CN100420180C Synchronization method and device of packet wireless communication system
09/17/2008CN100420170C Transmission device with simplified digital broadcasting system and method thereof
09/16/2008US7426680 Apparatus and method for transmitting TFCI bits for a hard split mode in a CDMA mobile communication system
09/16/2008US7426232 Signal selection systems
09/16/2008US7426201 Apparatus and method for transmitting/receiving a high speed-shared control channel in a high speed downlink packet access communication system
09/16/2008US7426178 Vertical roaming in wireless networks through improved wireless network cell boundary detection
09/16/2008US7426177 Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing
09/16/2008US7426176 Method of power allocation and rate control in OFDMA systems
09/16/2008US7426175 Method and apparatus for pilot signal transmission
09/12/2008WO2008109538A1 Combining packets in physical layer for two-way relaying
09/12/2008WO2008108471A1 Ofdm signal transmitter and ofdm signal receiver
09/12/2008WO2008108228A1 Base station device and communication control method
09/12/2008WO2008108227A1 Base station device and communication control method
09/12/2008WO2008108226A1 Base station device and communication control method
09/12/2008WO2008108225A1 Base station device and communication control method
09/12/2008WO2008108224A1 Base station device and communication control method
09/12/2008WO2008108223A1 Base station device and communication control method
09/12/2008WO2008108222A1 Base station device and communication control method
09/12/2008WO2008107972A1 Communication device and communication system
09/12/2008WO2008107520A1 Resource allocation method and system
09/12/2008WO2008085102A3 Signature sequences and methods for t ime -frequency selectiv channel.
09/12/2008CA2680170A1 Ofdm signal transmitting apparatus and ofdm signal receiving apparatus
09/11/2008US20080219363 Multi-carrier communications with adaptive cluster configuration and switching
09/11/2008US20080219332 Apparatus and methods accounting for automatic gain control in a multi carrier system
09/11/2008US20080219221 Orthogonal variable spreading factor (ovsf) code assignment
09/11/2008US20080219148 System and method for transmitting datain a multiple-branch transmitter-diversity orthogonal frequency-division multiplexing (ofdm) system
09/11/2008US20080219147 Transmitter and Receiver
09/11/2008US20080219146 Spectrum interpolation method, spectrum interpolation apparatus, and spectrum interpolation program storage medium
09/11/2008US20080219145 Method for Scheduling Heterogeneous Traffic in B3G/4G Cellular Networks with Multiple Channels