Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
09/2000
09/20/2000EP1037484A1 Time sharing of communications resources in cellular communications systems
09/20/2000EP1037481A1 Simultaneous transmission of random access bursts
09/20/2000EP1037423A1 Digital communication system, its transmitter and receiver, and frame synchronization detector
09/20/2000EP1037422A1 Transmitter and receiver for multi-rated delay multiplexing direct spread spectrum communication system, and multi-rated delay multiplexing direct spread spectrum communication system
09/20/2000EP1037407A2 Pilot signals for synchronisation and/or channel estimation
09/20/2000EP1037396A1 A method for improving performances of a mobile radiocommunication system using a power control algorithm
09/20/2000EP1037395A2 Device and method for communication between base station and subscriber unit in CDMA communication system
09/20/2000EP1037139A1 Adder circuit
09/20/2000EP0888674A4 Multi-rate wireless communications system
09/20/2000CN1267173A Method for improving mobile radio communication system performance using power control algorithm
09/20/2000CN1267160A Method and device for modulation and demodulation
09/20/2000CN1267155A Simultaneous emission of random insertted pulse train
09/20/2000CN1267153A Spread spectrum multiaddress system based on orthogonal frequency division multiplexing tech. using directional antenna
09/19/2000US6122295 Multi-channel communication
09/19/2000US6122291 Communication system and operating method thereof
09/14/2000WO2000054531A1 Method for allocating resources in a radio communications system
09/14/2000WO2000054528A1 Radio receiver and received power amplifying method
09/14/2000WO2000054446A1 Interference signal eliminator
09/14/2000WO2000054444A1 Communicating code branch allocation for cdma systems
09/14/2000WO2000054443A1 Code branch allocation for cdma systems
09/14/2000WO2000054424A2 Method and apparatus for efficient synchronization in spread spectrum communications
09/14/2000WO2000054417A1 Transmitting/receiving device and transmitting/receiving method
09/14/2000DE19909779A1 Verfahren zur Ressourcenzuteilung in einem Funk-Kommunikationssytem A method of resource allocation in a wireless communication system-
09/14/2000CA2328957A1 Interference signal eliminator
09/13/2000EP1035678A2 CDMA transmission system
09/13/2000EP1035677A1 Code branch allocation for CDMA systems
09/13/2000EP1035676A1 Communicating code branch allocation for CDMA system
09/13/2000EP1035658A1 Transmitter-receiver, and method for controlling transmission power of the same
09/13/2000EP1034665A1 Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system
09/13/2000EP1034625A1 Packet-switched spread-spectrum system
09/13/2000EP1034624A2 Device and method for diversity combining signals on common channel in CDMA communication system
09/13/2000CN1266596A Device for transmitting data to mobile radio telephone networks
09/13/2000CN1266570A Method of assignment and transmission of spreads signals in direct sequence spread spectrum CDMA mobile communication system, mobile communication system
09/13/2000CN1266568A Transmitter
09/13/2000CN1266314A Multipath screening method in broadband CDMA system
09/12/2000US6118987 Radio transmitting apparatus and gain control method for the same based on complex weight coefficients and modulation precision characteristics
09/12/2000US6118824 Spread-spectrum data publishing system
09/12/2000US6118806 Signal synthesis method and apparatus under diversity reception
09/12/2000US6118774 Information signal communicating apparatus method and system
09/11/2000CA2299568A1 Orthogonal frequency division multiplexing based spread spectrum multiple access system using directional antenna
09/08/2000WO2000052843A1 Spread-spectrum communication device
09/08/2000WO2000035119A3 A method and apparatus for the construction and transmission of binary quasi orthogonal vectors
09/08/2000WO2000029887A8 Codes, methods, and apparatus for optical encoding and decoding
09/06/2000EP1033824A2 A code division multiple access receiver with power control
09/06/2000EP1033054A1 Method and mobile communications system for transmitting information via a radio interface
09/06/2000EP1033038A1 Channel communication apparatus and method in cdma communication system
09/06/2000CN1265794A Method and radio station for transmitting data
09/06/2000CN1265555A Method for distributing user number to base station and subscriber station and radio communication system
09/06/2000CN1265490A CDMA receiver
09/05/2000US6115412 Spread spectrum wireless telephone system
09/05/2000US6115411 System and method for spread spectrum code position modulation and wireless local area network employing the same
09/05/2000US6115410 Walsh code generator, signal transmitting apparatus and signal reception apparatus
09/05/2000US6115407 Frequency hopping communication method and apparatus for modifying frequency hopping sequence in accordance with counted errors
09/05/2000US6115406 Transmission using an antenna array in a CDMA communication system
09/05/2000US6115370 Method and system for protocols for providing voice, data, and multimedia services in a wireless local loop system
09/05/2000CA2175488C Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
09/04/2000CA2299895A1 Apparatus and method for scheduling correlation operations of a ds-cdma shared correlator
08/2000
08/31/2000WO2000051393A1 Method and system for handoff between an asynchronous cdma base station and a synchronous cdma base station
08/31/2000WO2000051392A1 Method and system for reducing synchronization time in a cdma wireless comunication system
08/31/2000WO2000051276A1 Variable rate orthogonally coded reverse link structure
08/31/2000WO2000041335A8 Cdma mobile radio terminal
08/31/2000CA2365007A1 Method and system for handoff between an asynchronous cdma base station and a synchronous cdma base station
08/31/2000CA2364962A1 Method and system for reducing synchronization time in a cdma wireless communication system
08/30/2000EP1032233A2 Radio communication base station apparatus and radio communication method
08/30/2000EP1031201A1 Cdma direct spread overlay system and method of operation
08/30/2000CN1265241A Method and mobile radiotelephone for digital data radiotransmission
08/30/2000CN1265240A Radio interface for small wireless installation in 2,4 GHz ISM band for industry, science and medicine
08/30/2000CN1264994A Radio communication base station appts. and radio communication method
08/30/2000CN1264969A Method and device based on inserting frequency pilot sign for evaluating SS/N ratio of communication system
08/29/2000US6112094 Orthogonal frequency hopping pattern re-use scheme
08/29/2000US6112080 Wireless communication method and system
08/29/2000US6111868 Parallel acquisition system using reference matched filter
08/29/2000CA2141733C Mobile telecommunication system
08/24/2000DE19907083A1 Formation of signal sequence, e.g. for mobile radio systems
08/23/2000EP1030463A2 Tuning scheme for code division multiplex broadcasting system
08/23/2000EP1030459A2 CDMA multipath receiver
08/23/2000EP1029398A1 Multi-layered pn code spreading in a multi-user communications system
08/23/2000EP0830748B1 Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
08/23/2000CN1264511A CDMA direct spread overlay system and method of operation
08/23/2000CN1264229A Base-band signal processor of forward channel at basic WCDMA station
08/23/2000CN1264228A Automatic frequency control method and device in broadband CDMA system
08/23/2000CN1264223A Mobile communication system with moving stage and station
08/22/2000US6108549 Method and apparatus for passing network device operations between network devices
08/22/2000US6108370 Receiving apparatus, receiving method, and terminal unit for use with radio system
08/22/2000US6108369 Channelization code allocation for radio communication systems
08/22/2000US6108317 Cyclic code phase multiple access for inbound satellite communications
08/22/2000CA2097066C Cdma microcellular telephone system and distributed antenna system therefor
08/22/2000CA2092874C Process, transmitter and receiver for data transmission with variable traffic volume and a control station for coordinating several such transmitters and receivers
08/19/2000CA2298289A1 Determining transmit signal powers of channels in a cdma communications system
08/17/2000WO2000048345A1 System and orthogonal coding in a telecommunications environment using orthogonal and near-orthogonal codes
08/17/2000WO2000048344A1 Apparatus and method for allocating forward common channels in cdma communication system
08/17/2000WO2000048335A1 Power control apparatus and method for inter-frequency handoff in cdma communication system
08/17/2000WO2000048328A1 Apparatus and method for allocating orthogonal codes in cdma communication system having variable rate channel structure
08/17/2000WO2000048327A1 Device and method for controlling transmission on reverse link in mobile communication system
08/16/2000EP1028598A1 Path connection control system and control method thereof in CDMA mobile communication system
08/16/2000EP1028540A2 Spread spectrum receiver having despreaders commonly shared among rake combiners
08/16/2000EP1027815A2 Radiocommunications system and control device
08/16/2000EP1027782A2 Telecommunication system for wireless telecommunication with a cdma, fdma and tdma multiple access component
08/16/2000EP1027776A1 Method, mobile station and base station for transmitting information via a radio interface of a mobile communications system
08/16/2000EP1027772A1 Channel coding device and method for rate matching