Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
09/2001
09/26/2001EP1137216A2 Method and system for space time block coded transmit antenna diversity
09/26/2001EP1137211A1 Radio transmitter/receiver and method of radio communication
09/26/2001EP1137201A1 Method for transmitting a word representative of transmission parameters respectively allocated to the mobile stations in communication with a base station
09/26/2001EP1137200A1 Method for providing a packet communication service in a CDMA wireless network
09/26/2001EP1137199A1 Method of setting up a packet communication in a mobile wireless CDMA system
09/26/2001EP1135955A1 Method for data transmission in a radio communications system
09/26/2001EP1135868A1 Power control method and system in mobile communication networks
09/26/2001EP1135855A1 Digital filter with parallel architecture and spread-spectrum signal receiver using same
09/26/2001EP0719480B1 Method and apparatus for simulating interference received by subscribers in a spread spectrum communications system
09/26/2001EP0701753B1 A communication method for an adaptive direct sequence cdma communication system
09/26/2001EP0669068B1 Method and apparatus for operating with a hopping control channel in a communication system
09/26/2001CN1315095A Apparatus and method for channel coding and multiplexing in CDMA communication system
09/26/2001CN1315091A CDMA receiving method and circuit
09/26/2001CN1315090A Apparatus and method for generating sync word and transmitting and receiving the sync word in w-CDMA communication system
09/26/2001CN1314750A Diversity coding method of transmitting antenna based on space-time block encoding and diversity transmitter
09/25/2001US6295316 Automatic equalization system
09/25/2001US6295303 Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal
09/25/2001US6295301 PN code generating apparatus and mobile radio communication system
09/25/2001US6295287 Reverse-link interleaving for communication systems based on closed-form expressions
09/25/2001US6295273 Phase modulation multiplexing transmission unit and phase modulation multiplexing method
09/20/2001WO2001069828A1 Data transmitting apparatus and data transmitting method
09/20/2001WO2001069826A1 Radio communication apparatus and radio communication method
09/20/2001WO2001069825A1 Transmitter, receiver, and method of data transmission
09/20/2001WO2001069816A1 Radio communication quality measuring apparatus, radio communication quality measuring method and radio base station
09/20/2001WO2001069815A1 Method and apparatus for transmission, and method and system for communication
09/20/2001WO2001069803A1 Single chip spread spectrum receiver and transmitter for short messages
09/20/2001US20010023188 Mobile station and base station as well as mobile communication sysem which uses them
09/20/2001US20010023185 Connection establishment method, a subscriber terminal unit and a radio system
09/20/2001US20010022779 Mobile station assisted timing synchronization in a CDMA communication system
09/19/2001EP1134994A1 Load balancing based on Walsh code usage
09/19/2001EP1134992A1 Method and mobile network to minimise the RACH transmit power
09/19/2001EP1134924A1 Method and apparatus for packet transmission
09/19/2001EP1134913A2 Mobile station, base station and mobile communication system with transmission power control
09/19/2001EP1134912A2 Method and apparatus for enhanced power ramp-up in a CDMA communication system
09/19/2001EP1133846A1 Apparatus and method for controlling a power of reverse link in cdma system
09/19/2001EP1133845A1 Method and apparatus for mobile station location within a communication system
09/19/2001EP1133843A1 Method and apparatus for spreading and despreading data in a spread-spectrum communication system
09/19/2001EP1133832A1 Method and apparatus for multiplexing voice and data packets in a cdma system
09/19/2001EP1133723A1 Fast slewing pseudorandom noise sequence generator
09/19/2001CN1314064A Method of allocating resources and allocating scheme therefor
09/19/2001CN1314037A Frame synchronization techniques and systems for spread spectrum radiocommunication
09/19/2001CN1314035A Data transmission method, radio network subsystem, and user equipment
09/19/2001CN1313717A Honeycomb mobile telephone network and operation thereof
09/19/2001CN1313686A Load balance based on use of Walsh code
09/18/2001US6292673 Radio signal transmitter
09/18/2001US6292476 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
09/14/2001CA2333335A1 Cellular mobile telephone network and method of operating the same
09/13/2001WO2001067711A1 Communication device and communication method
09/13/2001WO2001067710A1 Communication device and communication method
09/13/2001WO2001067639A1 Transmitting apparatus and transmitting method
09/13/2001WO2001067605A1 Method and apparatus for producing pseudorandom signal
09/13/2001WO2001011897A3 Method and apparatus for orthogonal code hopping multiplexing communications
09/13/2001US20010021660 Radio base station apparatus with inter-shelf communication
09/13/2001US20010021642 Mobile telecommunication system and hand-off method of radio speech paths at the system
09/13/2001US20010021229 Method for matching transport channels within a composite channel, corresponding device and base station
09/13/2001US20010021197 Dynamic bandwidth allocation for multiple access communication using session queues
09/13/2001US20010021179 Method and system for handoff between an asynchronous CDMA base station and a synchronous CDMA base station
09/13/2001US20010021169 Interleaver memory access apparatus and method of CDMA system
09/13/2001US20010020919 Array antenna receiving apparatus
09/13/2001DE10007365A1 Optical transmission system has band selector in network node determining wavelength division multiplexing transmission band
09/12/2001EP1133200A2 Array antenna receiving apparatus
09/12/2001EP1133087A2 Radio base station apparatus with inter-shelf communication
09/12/2001EP1133079A1 Communication system, transmitter and receiver, and communication method
09/12/2001EP1133072A1 Communication terminal device and channel estimating method
09/12/2001EP1133070A2 Transmit power control method and apparatus in a radio communication system
09/12/2001EP1131978A1 Dedicated control channel handoff in cdma communication system
09/12/2001EP1131970A1 Method and arrangement for measuring and predicting of radio conditions in a communications system
09/12/2001EP1131910A1 Code-based optical networks, methods, and apparatus
09/12/2001EP1131909A1 Channel spreading device and method for cdma communication system
09/12/2001EP0796529A4 Orthogonal code division multiple access communication system having multicarrier modulation
09/12/2001CN1312626A Multistage CDMA spectrum spreading communication method for efficient information transmission
09/11/2001US6289067 Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock
09/11/2001US6289039 Spread-spectrum communications utilizing variable throughput reduction
09/11/2001US6289036 Spread spectrum communication apparatus and method
09/11/2001US6289007 Method for acquiring a cell site station in asynchronous CDMA cellular communication systems
09/11/2001CA2248516C Reception apparatus
09/07/2001WO2001065750A1 Modem for multiple classes of services with specific orthogonal codes for each class of service
09/07/2001WO2001065715A2 Post processing of spreading codes in a mobile telecommunications system
09/07/2001WO2001041314A8 Method and arrangement for implementing intra-frame interleaving
09/07/2001WO2000051276A9 Variable rate orthogonally coded reverse link structure
09/06/2001US20010020287 Error correcting apparatus
09/06/2001US20010019962 Communication apparatus and transmit power control method
09/06/2001US20010019961 Base station apparatus, mobile communication system, and method of controlling transmission power
09/06/2001US20010019954 Method for controlling overload in digital mobile communication system
09/06/2001US20010019576 Cell searching in a CDMA communications system
09/05/2001EP1130919A2 Apparatus and method for digital data transmission
09/05/2001EP1130918A2 Apparatus and method for digital data transmission
09/05/2001EP1130834A1 Mobile communication system, base station, mobile communication terminal, and resending control method
09/05/2001EP1130798A1 Transmission power control system in a base station that is communicating with several mobile units
09/05/2001EP1130797A2 Base station apparatus, mobile communication system, and method of controlling transmission power
09/05/2001EP1129534A1 Combiner
09/05/2001EP1129533A1 Apparatus and method for generating multiple scrambling codes in asynchronous mobile communication system
09/05/2001EP1129530A1 Apparatus and method for measuring noise power in a cdma mobile communication system
09/05/2001CN1311613A System for controlling emitting power to several mobile communication base station
09/05/2001CN1311612A Method for matching transmission channels in combined channels, device and base station therefor
09/05/2001CN1311576A Communication device and transmitting power control method
09/04/2001US6285861 Receiving station with interference signal suppression
09/04/2001US6285669 CDMA direct spread overlay system and method of operation
09/04/2001US6285666 Spread-spectrum communication method and apparatus
09/04/2001US6285655 Method and apparatus for providing orthogonal spot beams, sectors, and picocells