Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
05/2004
05/06/2004EP1416694A1 Optimized synchronization preamble structure for OFDM system
05/06/2004EP1416693A2 Symbol timing recovery in a multicarrier receiver
05/06/2004EP1416657A1 TRANSMISSION DEVICE, RECEPTION DEVICE AND RADIO COMMUNICATION METHOD
05/06/2004EP1415428A1 Channel estimation in a multi carrier transmit diversity system
05/06/2004EP1415422A1 Code generation
05/06/2004EP1222752B1 Method and device for transmitting data
05/06/2004CA2756741A1 Ofdm communication system with multiple ofdm symbol sizes
05/06/2004CA2756728A1 Ofdm communication system with multiple ofdm symbol sizes
05/06/2004CA2751604A1 Pilots for mimo communication systems
05/06/2004CA2500353A1 Method for stealing power or walsh-code for a data channel (e.g. shared data channel) from a dedicated channel (e.g. voice channel)
05/05/2004CN1494287A Channel equalizer of single carrier wave receiver and its equalizing method
05/05/2004CN1494245A Signal receiver used for selecting transmission channel treatment and antenna diversity
05/05/2004CN1494244A Method of proceeding OFDM rapid synchronization using Barke code and training sequence
05/05/2004CN1494243A Turbo method used for OFDM frequency synchronization
05/05/2004CN1494242A New OFDM time, frequency synchronization method
05/05/2004CN1148989C Apparatus and method for modulating data information using orthogonal variable extended system digit code
05/05/2004CN1148906C Transmitter in expansion spectrum communication system and its method
05/05/2004CN1148904C Partially block-interleaved CDMA coding and decoding
05/05/2004CN1148903C Orthogonal frequency-division multiplex communication apparatus and method
05/05/2004CN1148902C Transmitting and receiving method and radio system
05/04/2004US6731704 Apparatus and bit-shift method for eliminating interference of cross polarization
05/04/2004US6731702 Null symbol position detecting method, null symbol position detecting apparatus, and receiver
05/04/2004US6731695 Systems and methods for implementing receiver transparent Q-mode
05/04/2004US6731668 Method and system for increased bandwidth efficiency in multiple input—multiple output channels
05/04/2004US6731624 Sync signal detection method and radio communication system
05/04/2004US6731595 Multi-carrier modulation and demodulation system using a half-symbolized symbol
04/2004
04/29/2004WO2004036817A1 Constellation rearrangement for transmit diversity schemes
04/29/2004WO2004036812A2 Method and apparatus for channel amplitude estimation and interference vector construction
04/29/2004WO2003009081A3 System, method and computer program to compute a fast fourier transform of data blocks
04/29/2004US20040083411 Cellular CDMA transmission system
04/29/2004US20040083254 Circuit arrangement and method for compensating for disturbances in a signal generated by means of discrete multitone modulation
04/29/2004US20040081130 Communication system
04/29/2004US20040081126 De-channelization method of W-CDMA system
04/29/2004US20040081113 Orthogonal signaling for CDMA
04/29/2004US20040081112 Method and apparatus for stealing power or code for data channel operations
04/29/2004US20040081074 Signal decoding methods and apparatus
04/28/2004EP1414170A1 Method for transmitting a word representative of transmission parameters respectively allocated to the mobile stations in communication with a base station
04/28/2004EP1413121A1 Improved crosstalk identification for spectrum management in broadband telecommunications systems
04/28/2004EP1413111A2 Signal decomposition for the control of its dynamic range
04/28/2004EP1413082A1 Method for data communication between a single-carrier and a multi-carrier system
04/28/2004EP1413066A1 Device for joint detection of cdma codes for multipath downlink
04/28/2004EP0978168B1 Orthogonal code synchronization system and method for spread spectrum cdma communications
04/28/2004EP0838105B1 Multipath resistant, orthogonal code-division multiple access system
04/28/2004CN1493123A Radio transmission apparatus, radio transmission method
04/28/2004CN1493117A Method and device for transceiving orthogonal code space indication information in mobile communication system
04/28/2004CN1492620A Method and device for formatted transmission data
04/28/2004CN1492609A Automatic power control system for CDMA communication system
04/28/2004CN1148023C Variable rate transmission and reception methods and devices
04/27/2004US6728295 Code division multiple access communication system using overlapping spread sequences
04/27/2004US6726297 OFDMA signal transmission apparatus and method
04/22/2004WO2004034620A1 Multi-carrier transmitting apparatus and multi-carrier transmitting method
04/22/2004WO2004034607A1 Wraparound canceller, relay system, and wraparound canceling method
04/22/2004WO2004034581A1 Pn code generator, gold code generator, pn code despreading device, pn code generation method, gold code generation method, pn code despreading method, and computer program
04/22/2004WO2004019651A3 Methods, apparatus and computer program products for controlling a reverse link traffic channel code responsive to detection of a duplicate terminal identity
04/22/2004US20040076229 Wireless image transmission device and image transmission method
04/22/2004US20040076222 Dynamic time metered delivery
04/22/2004US20040076172 Mobile communication system, multicarrier cdma transmitter, and multicarrier cdma receiver
04/22/2004US20040076170 Orthogonal signaling for CDMA
04/22/2004DE10341562A1 Codieren/Decodieren eines Symbols der zeitlichen Dispersion Encoding / decoding of a symbol of temporal dispersion
04/21/2004EP1411668A2 Transmission of information on channel conditions
04/21/2004EP1411664A1 Multi-carrier transmission apparatus, multi-carrier reception apparatus, and multi-carrier radio communication method
04/21/2004EP1411647A2 Method of power allocation and rate control in OFDMA
04/21/2004EP1410526A1 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission
04/21/2004EP1125383A4 A variable clock rate correlation circuit and method of operation
04/21/2004EP0968584B1 Method for reducing redundant transmissions of data groups
04/21/2004CN1491052A Method for contracting and enlarging signal peak value power amplitude
04/21/2004CN1491038A Digital broadcasting system transmitter and method
04/21/2004CN1491036A Transmitting device and method of digital broadcasting system with improved internal random mechanism
04/21/2004CN1491035A Transmitting device and method of digital broadcasting system with improved internal rondam mechanism
04/21/2004CN1491031A Transmitter for digital broadcasting system with comprehensive error correcting coding function and method thereof
04/21/2004CN1491011A Multicarrier transmitting system for inserting pilot signal in frequency domain and inserting method thereof
04/21/2004CN1490955A Method for obtaining rough estimate of frequency diviation by frequency domain PV sequence guidance
04/21/2004CN1490954A Frequency domain guiding and verifying symbol computing method for OFDM precisive synchronization
04/21/2004CN1490953A Multicarrier transmitting system for improving receiving efficiency of multicarrier receiving system and method thereof
04/21/2004CN1490952A Orthogonal FDM transmitting system and method for reducing synchronizing time
04/21/2004CN1490951A Multicarrier transmitting system for inserting pilot signal in time-domain and inserting method thereof
04/21/2004CN1490950A Multicarrier transmitting system for improving receiving function and signal processing method thereof
04/21/2004CN1490949A Multicarrier transmitting system for improving receiving function and signal processing method thereof
04/21/2004CN1490947A Transmission device with simplified digital broadcasting system and method thereof
04/21/2004CN1490946A Digital broadcasting system transmitter with assembled error correcting coding function and method thereof
04/21/2004CN1147058C Apparatus and method for expanding channels in CDMA system
04/20/2004US6725062 Method to increase the number of simultaneous users in a control hold MAC state in CDMA
04/20/2004US6724849 Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment
04/20/2004US6724806 Variable rate transmission and reception methods, and variable rate transmission and reception devices
04/20/2004US6724741 PN code selection for synchronous CDMA
04/15/2004WO2004032423A1 Radio communication system
04/15/2004WO2004032375A1 Transmission power control method for ofdm-cdma system and transmission power controller
04/15/2004WO2004032361A1 System and method for detecting direct sequence spread spectrum signals using pipelined vector processing
04/15/2004WO2004032347A1 Receiver having a signal reconstructing section for noise reduction, system and method thereof
04/15/2004US20040071221 Apparatus and method for receiving signals including data carriers and pilot carriers modulated by multi-carrier modulation method
04/15/2004US20040071202 Apparatus for measuring signal-to-interference ration in multiple antenna high data rate packet transmission system and method thereof
04/15/2004US20040071198 Code detection
04/15/2004US20040071195 Method and electronic device for a spread spectrum signal
04/15/2004US20040071115 Intelligent uplink SCDMA scheduling incorporating polarization and/or spatial information to determine SCDMA code set assignment
04/15/2004US20040071105 Radio communication system, radio communication method, and transmitter apparatus and receiver apparatus suitable for use in the same
04/15/2004US20040071079 Fast fourier transform device
04/15/2004US20040071078 Radio transmission apparatus, radio reception apparatus, and radio transmission method
04/14/2004EP1408665A2 Detection of the position of pilot symbols in a multicarrier signal
04/14/2004EP1408664A2 Reception of multicarrier signals
04/14/2004EP1408642A2 Adaptive allocation for multicarrier spread spectrum transmission