Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
09/2005
09/29/2005CA2560548A1 Signal acquisition in peer-to-peer spread-spectrum communications
09/28/2005EP1580918A2 Transmitting apparatus receiving apparatus and re-transmission control method
09/28/2005EP1579615A1 Apparatus and method for midamble generation
09/28/2005EP1579591A2 Method and apparatus for channel amplitude estimation and interference vector construction
09/28/2005EP1108291B1 Synchronisation codeword for interference reduction in a cdma system
09/28/2005EP0936831B1 Cdma mobile station and cdma transmission method
09/28/2005EP0584241B1 Methods and apparatus for controlling transmission power in a cdma cellular mobile telephone system
09/28/2005CN1675947A Non-hit hard handover control device and method
09/28/2005CN1675866A Method and mobile station for reporting multi-path signals based on a report window
09/28/2005CN1675856A Radio communication system with adaptive interleaver
09/28/2005CN1675854A Adaptive antenna radio communication device
09/28/2005CN1674705A Channel assigning method and communication apparatus
09/28/2005CN1674688A Method for scheduling calling information in subsystem of basic station
09/28/2005CN1674479A Method for distributing graded distribution type ascending scramble in wideband code division multiple access
09/28/2005CN1674466A Method for communicating scrambling code id in mobile communication system
09/28/2005CN1221154C Method and appts. for concurrently processing multiple calls in spread spectrum communications system
09/28/2005CN1221100C Preamble searching apparatus and method
09/28/2005CN1221099C Method for controlling service priority for tunneling data packet in general packet wireless service
09/28/2005CN1221097C Chaotic spectrum-spreading address code method in CDMA system
09/27/2005US6950676 Portable telephone apparatus for achieving roaming with a low amount of code between two systems
09/27/2005US6950401 Apparatus, and associated method, for facilitating resource allocation in a communication system
09/27/2005CA2378885C Signal blocking for a base radio control station
09/22/2005US20050210244 Multi-level security CDMA communications arrangement
09/22/2005US20050208973 Base station apparatus and method for controlling transmission assignment
09/22/2005US20050208961 Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
09/22/2005US20050207570 Encryption apparatus, program for use therewith, and method for use therewith
09/22/2005US20050207384 Signal acquisition in peer-to-peer spread-spectrum communications
09/22/2005US20050207336 System and method of receiving various packet services through the same internet protocol address in a universal mobile telecommunication service system
09/22/2005US20050206446 Demodulator for demodulating pulse position modulated signal
09/22/2005CA2691163A1 System and method for power control in wireless communication systems
09/21/2005EP1578163A2 CDMA/TDD mobile communication system and method
09/21/2005EP1578046A1 Radio communication apparatus and radio transmission method
09/21/2005EP1578030A2 Weighted open loop power control in a time division duplex communication system
09/21/2005EP1578029A2 Outer loop/weighted open loop power control in a time division duplex communication system
09/21/2005EP1578028A2 A method for improving performances of a mobile radiocommunication system using a power control algorithm
09/21/2005EP1578024A1 Joint detection method using MMSE-LE for CDMA-based mobile communication systems
09/21/2005EP1576756A2 Virtual mimo communication system
09/21/2005EP1576752A1 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems
09/21/2005EP1460774B1 Spread spectrum communication apparatus
09/21/2005EP1088408A4 Method for supporting a discontinuous transmission mode in a base station in a mobile communication system
09/21/2005CN1672354A RLP retransmission for CDMA communication systems
09/21/2005CN1672343A Adaptive gain adjustment control with feedback
09/21/2005CN1671090A An apparatus for square root computation
09/21/2005CN1671089A A method for planning wireless communication network
09/21/2005CN1671088A Method for computing compression channel position in WCDMA system
09/21/2005CN1671081A Method for allocating secondary synchronization codes to a base station of a mobile telecommunication system
09/21/2005CN1671080A Method for configuring downlink transmission timing offset in CDMA system
09/21/2005CN1671073A A method for planning wireless communication network
09/21/2005CN1220394C Data communication terminal appliance and method of changing data communication rate using such appliance
09/20/2005US6947961 Arithmetic unit and receiver unit
09/20/2005US6947491 Third generation FDD modem interleaver
09/20/2005US6947471 Method for using encoded spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system
09/20/2005US6947468 Apparatus and method for calculating and implementing a Fibonacci mask for a code generator
09/20/2005US6947402 User equipment for code group synchronization
09/20/2005US6947397 Method and apparatus for adaptive data transmission in communication system
09/20/2005US6946981 Transmitter and method thereon
09/20/2005CA2426111C Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme
09/20/2005CA2392812C Apparatus and method for symbol mapping tfci bits for a hard split mode in a cdma mobile communication system
09/15/2005WO2005086517A1 Mobile station, mobile station communication control method, base station, and communication system
09/15/2005WO2005086402A1 Receiver apparatus, receiving method, and wireless communication system
09/15/2005US20050204251 Transceiver apparatus and method for efficient retransmission of high-speed packet data
09/15/2005US20050203430 Recall device
09/15/2005US20050201448 Method and apparatus for efficient Walsh covering and summing of signals in a communication system
09/15/2005US20050201338 Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced
09/15/2005US20050201337 System and method for retransmitting uplink data in a code division multiple access communication system
09/15/2005US20050201333 Hand-off between ultra-wideband cell sites
09/15/2005CA2557810A1 Mobile station, mobile station communication control method, base station, and communication system
09/14/2005EP1303928B1 Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system
09/14/2005EP1299956B1 Code power measurement for dynamic channel allocation
09/14/2005CN1669242A Mobile station assisted forward link open loop power and rate control in a CDMA system
09/14/2005CN1668082A Recall device
09/14/2005CN1667990A A method for reducing interferences between adjacent cells
09/14/2005CN1667989A A multi-path signal demodulation method for WCDMA system
09/14/2005CN1667988A A method for implementing analysis from combined transmission format computational value to transmission format indication
09/14/2005CN1219380C Method for automatic maintenance neighborlist in CDMA system
09/14/2005CN1219378C Method for controlling overload of reverse power
09/14/2005CN1219377C Method for measuring power control bit in CDMA system
09/14/2005CN1219376C Decode driving method for base station modem chip
09/14/2005CN1219375C Method for controlling forward emitting power in CDMA system
09/14/2005CN1219374C Device for realising channel share
09/14/2005CN1219373C Communication method based on cell packet access network protocol stack
09/14/2005CN1219372C Transmission method for implementing multimedia broadcast and multicast service
09/14/2005CN1219371C Wireless access network suitable for high-speed packet data transmission
09/14/2005CN1219370C Communication method for performing all-tier protocol stack processing by base station side
09/14/2005CN1219369C Method for calculating mixed services capacity of WCDMA system
09/14/2005CN1219363C Rate matching device for CDMA communication system
09/13/2005US6944471 Protection method for forward power saturation in CDMA communication system and its power control apparatus
09/13/2005US6944468 Transmit power control method and transmit power control system suitable to mobile communications
09/13/2005US6944454 Method and apparatus for expanding cell coverage in mobile communication system
09/13/2005US6944400 Optical path switching device
09/13/2005US6944210 Method for receiving or sending messages
09/13/2005US6944149 Apparatus and method or searching for PN sequence phase in multi-carrier CDMA mobile communication system
09/13/2005US6944142 Method for soft and softer handover in time division duplex code division multiple access (TDD-CDMA) networks
09/13/2005US6944137 Method and apparatus for a talkgroup call in a wireless communication system
09/09/2005WO2005083933A1 Method and systems for implementing data service prepayment in a cdma network
09/09/2005WO2005083909A1 Wireless base station unit and transmission power control method
09/09/2005WO2005083908A1 Transmission power control method and device
09/09/2005WO2005083898A1 Suppressing cross-polarization interference in an orthogonal communication link
09/09/2005CA2557591A1 Suppressing cross-polarization interference in an orthogonal communication link
09/08/2005US20050197161 Base station apparatus and radio communication method