Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
02/2002
02/05/2002US6345045 Synchronous capture circuit for code division multiple access communication
02/05/2002US6345043 Access scheme for a wireless LAN station to connect an access point
01/2002
01/31/2002WO2002009459A1 Handoff adaptation for cdma systems
01/31/2002WO2002009452A2 Idle handoff method for mobile communication devices taking into account critical system jobs
01/31/2002WO2002009380A2 Data transmission using pulse with modulation
01/31/2002WO2002009334A1 Multi-carrier cdma communication device, multi-carrier cdma transmitting device, and multi-carrier cdma receiving device
01/31/2002WO2002009320A2 Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels
01/31/2002WO2002009317A1 Radio receiving device and radio receiving method
01/31/2002WO2002009314A1 Adaptive rate power control cdma system
01/31/2002WO2002009309A2 Power control in a radio communication system
01/31/2002US20020013797 Apparatus and method for modifying an M-sequence with arbitrary phase shift
01/31/2002US20020013158 Transmission power control method in CDMA system
01/31/2002US20020013156 Communication system, transmitter, receiver, and communication method
01/31/2002US20020012386 Method and apparatus for the construction and transmission of binary quasi orthogonal vectors
01/31/2002US20020012385 Apparatus and method for reporting service load to mobile station in mobile telecommunication system
01/31/2002US20020012383 Transmission power control method and mobile communication system
01/31/2002US20020012335 CDMA radio transmitting apparatus and CDMA radio receiving apparatus
01/31/2002US20020012331 CDMA cellular communication system, CDMA base station apparatus and overreach detecting method
01/31/2002US20020012326 Method of supporting power control on a DCCH in base station transceiver system and a base station controller
01/30/2002EP1176749A2 Radio communication system
01/30/2002EP1176746A1 Cdma communication system having pilot-supporting interference separating function
01/30/2002EP1176739A1 Transmitting apparatus and transmitting method
01/30/2002EP1176738A2 CDMA cellular communication system, CDMA base station apparatus and overreach detecting method
01/30/2002EP1175798A2 Transmission of gsm circuit-switched data over a cdma link
01/30/2002EP1175739A1 Dual code spread spectrum communication system with transmit antenna diversity
01/30/2002CN1333989A Cellular radio communication method, control equipment and mobile stations using said method
01/30/2002CN1333889A Fast slewing pseudorandom noise sequence generator
01/30/2002CN1333609A CDMA frequency expanding method and terminal equipment
01/30/2002CN1333607A Multiple frequency band transmitted/received signal generator and generating method, and transmitter and receiver
01/29/2002US6342924 Additional information superposition method and video signal outputting apparatus
01/24/2002WO2002007403A1 Channel presuming system and channel presuming method
01/24/2002WO2002007373A1 Method and device for diversity transmission of encoded information
01/24/2002WO2002007372A2 Maximum distance block coding scheme
01/24/2002WO2002007358A1 Cdma receiver
01/24/2002WO2002007345A1 Method for performing usts handover and usts mode switching in a mobile communication system
01/24/2002WO2002007338A1 Method of converting spread spectrum multiple address code in a code division multiple access system
01/24/2002WO2001056173A3 Improved multi-level sequences for cdma data communication
01/24/2002WO2001052534A3 System and method for connecting home entertainment and computer devices using a local cdma-based network
01/24/2002WO2001037441A3 A nonlinear dynamic system for spread spectrum code generation and acquisition
01/24/2002US20020009134 Method and apparatus for testing wireless communication channels
01/24/2002US20020009129 Apparatus and method for synchronization of uplink synchronous transmission scheme in a CDMA communication system
01/24/2002US20020009128 Receiving apparatus
01/24/2002US20020009127 Efficient spreader for spread spectrum communication systems
01/24/2002US20020009124 Large area wireless CDMA system and method
01/24/2002US20020009123 Apparatus and method for calculating and implementing a fibonacci mask for a code generator
01/24/2002US20020009096 High data rate cdma wireless communication system
01/24/2002US20020009068 Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels
01/24/2002US20020009061 Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
01/23/2002EP1175054A1 Receiver
01/23/2002EP1175032A1 Single-carrier/ds-cdma packet transmitting method, uplink packet transmitting method in multicarrier/ds-cdma mobile communication system, and structure of downlink channel in multicarrier/ds-cdma mobile communication system
01/23/2002EP1175031A2 CDMA spreading method and communication terminal apparatus
01/23/2002EP1175023A1 Method and apparatus for radio communication using array antenna
01/23/2002EP1175022A2 Transmission antenna diversity method, base station and mobile station therefor
01/23/2002EP1175020A1 Control of downlink transmission power in a cellular telecommunication system
01/23/2002EP1173996A1 Random access channel for large cells
01/23/2002EP1173944A1 Method for forming and determining a signal sequence, method of synchronization, transmitter unit and receiver unit
01/23/2002EP1173943A1 Method of generating and/or detecting synchronization sequences, synchronization method, transmitter unit and receiver unit
01/23/2002EP1062749B1 Modular base station with variable communication capacity
01/23/2002EP0993708A4 Method and apparatus for selecting a resource in a communication system with resources having unbalanced load capacity
01/23/2002CN1332916A Channel spreading device and method for CDMA communication system
01/23/2002CN1332915A Slotted mode code usage in cellular communications system
01/23/2002CN1332905A An iterative decoder and iterative decoding method for communication system
01/23/2002CN1332585A Method for providing service and rate consulation in mobile communication system
01/23/2002CN1332545A Effective closed-loop power control method for radio multimedia CDMA communication system
01/23/2002CN1332544A Adaptive predicting smoothing RAKE reception method and receiver
01/23/2002CN1332543A Emitting power control method and mobile communication system
01/23/2002CN1332540A AZHARQ algorithm
01/23/2002CN1332539A Adaptive W-CDMA coherent reception method and receiver for third generation mobile communication
01/23/2002CN1332536A Channel allocation method and communication device
01/23/2002CN1078412C Variable rate transmitting method, and transmitter and receiver using it
01/22/2002US6341214 Transmission power control method and transmission/reception apparatus
01/22/2002US6341177 Code string editing apparatus, picture coded signal decoding apparatus and moving picture coded string decoding apparatus
01/22/2002US6341125 Method for improving TFCI transportation performance
01/22/2002CA2102114C Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
01/17/2002WO2002005468A1 Code division multiplex communication system and code division multiplex communication device
01/17/2002WO2002005448A1 Resource management in uncoordinated frequency hopping system
01/17/2002WO2002005441A2 Code power measurement for dynamic channel allocation
01/17/2002WO2001050631A3 Carrier tracking loop for direct sequence spread spectrum systems
01/17/2002WO2001041383A3 Code shift keying transmitter for use in a spread spectrum communications system
01/17/2002WO2001028104A3 Method for indicating an allocation of spread codes in a radio communication system
01/17/2002US20020006156 Spread spectrum modulation method with discontinuous spreading code, corresponding demodulation method, mobile station and base stations
01/17/2002CA2414456A1 Code power measurement for dynamic channel allocation
01/16/2002EP1172957A1 Memory circuit, and synchronous detection circuit
01/16/2002EP1172944A2 Wireless transmitter and receiver
01/16/2002EP1172943A2 Method for improving mobile radiocommunication system performances using a power control algorithm
01/16/2002EP1172942A2 A method of controlling initial power ramp-up in CDMA systems by using short codes
01/16/2002EP1172940A2 Multi-band transmission & reception-signal-generating apparatus
01/16/2002CN1331866A Method and appts. for pseudonoise spreading in CDMA communication system
01/16/2002CN1331527A Method for distributing code in upward link of synchronous radio communicating system
01/16/2002CN1331524A Chaotic spectrum-spreading address code method in CDMA system
01/15/2002US6339646 Slotted mode code usage in a cellular communications system
01/15/2002CA2244602C Rake receiver and finger management method for spread spectrum communication
01/10/2002WO2002003739A1 Communication terminal device, and base station device
01/10/2002WO2002003642A1 Method and system for combining orthogonal transmit diversity and adaptive array techniques in a wireless communications system
01/10/2002WO2002003561A1 Receiver and method of receiving a cdma signal in presence of interferers with unknown spreading factors
01/10/2002WO2001054432A3 System and method for facilitating quick paging channel demodulation in a wireless communications system
01/10/2002US20020004398 Method of providing location service using CDMA-based cellular phone system, a method of measuring location and location system
01/10/2002US20020004371 Method of signaling compressed mode parameters to a mobile station
01/10/2002US20020003798 Rendering multicast service with sufficient reception quality to wireless terminals
01/10/2002US20020003786 Method for assigning codes in uplink of synchronous wireless telecommunication system