Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
01/2005
01/19/2005CN1567793A A method for implementing cluster service in CDMA system
01/19/2005CN1567792A Transmission method for encrypting voice data in CDMA system
01/19/2005CN1567791A Method for implementing always online in CDMA standard trunked communication system
01/19/2005CN1567790A A channel sharing method of CDMA standard trunked communication system
01/19/2005CN1567789A Frame bias distribution method of CDMA standard trunked communication system
01/19/2005CN1567788A Forward frame number aligning method of CDMA standard trunked communication system
01/19/2005CN1567787A Group member resources management method of CDMA standard trunked communication system
01/19/2005CN1567786A Quick call establishing method of CDMA standard trunked communication system
01/19/2005CN1567785A Sharing forward alternate channel method of CDMA standard trunked communication system
01/19/2005CN1567784A Forward power control method of CDMA cellular trunked system
01/19/2005CN1567783A Air resources distribution method of CDMA2000 standard trunked communication system
01/19/2005CN1567782A Base station resources distribution method of CDMA2000 standard trunked communication system
01/19/2005CN1567781A A method for improving air signal transmission quality of CDMA system
01/19/2005CN1567780A Filter device for forward link of CDMA system and filtering method thereof
01/19/2005CN1567779A A method for confirming subscriber call duration in CDMA intelligent network
01/19/2005CN1567778A A CDMA network architecture scheme
01/19/2005CN1567776A Method for processing RRC connection request message
01/19/2005CN1567775A A method for implementing channel establishment by call between packet networks
01/19/2005CN1567773A Method for paging MBMS in wideband TDD mobile communication system
01/19/2005CN1567770A Multi-mode and multi-carrier radio-frequency receiver
01/19/2005CN1567769A A system information dynamic scheduling method in WCDMA system
01/19/2005CN1567768A Method and apparatus for producing given bandwidth and power spectral density noise
01/19/2005CN1567743A Transmission power correcting method, mobile communications system and mobile station
01/19/2005CN1185819C Receiver in mobile communication system
01/19/2005CN1185818C Receiving filter of CDMA system
01/19/2005CN1185817C Method of realizing the selection from paging channel and auxiliary common control physical channel
01/19/2005CN1185808C Method for synchronizing subscriber boards and wireless communication system
01/19/2005CN1185806C Communication system, transmitter and receiver and communication method
01/18/2005US6845093 User equipment for communicating using a selected code over a common packet channel
01/18/2005US6845087 Wideband wireless communications architecture
01/13/2005WO2002080375A3 Non-zero complex weighted space-time code for multiple antenna transmission
01/13/2005US20050009557 Transmission method, transmitter, reception method, and receiver
01/13/2005US20050008065 Multiple-input multiple-output (MIMO) spread-spectrum system and method
01/13/2005US20050008026 Packet receiving apparatus in a communication system which makes possible transmission that matches the conditions of the propagation path even in a case where propagation path conditions at the time of initial transmission of a packet differ from those at the time of retransmission
01/12/2005EP1496638A2 Packet transceiver apparatus using retransmissions and adaptive modulation
01/12/2005EP1496626A1 Communication apparatus and method for controlling transmission power of communication apparatus
01/12/2005EP1495643A1 Inter-frequency measurements with mimo terminals
01/12/2005EP1495569A1 System and method for channel mapping in a wireless communication system
01/12/2005EP1459452A4 Cellular telephone with simultaneous cdma and tdma communications
01/12/2005EP1154660B1 Rendering multicast service with sufficient reception quality to wireless terminals
01/12/2005CN1565092A Encoder and method for efficient synchronisation channel encoding in UTRA TDD mode
01/12/2005CN1564608A Forward scheduling method of mobile communication system
01/12/2005CN1564541A Communication system and communication control apparatus and method
01/12/2005CN1564500A Detector and method for continuous phase position sequence
01/12/2005CN1564499A Balancing method based on self-correslation match under CDMA low expanding frequency, and its transceiver
01/12/2005CN1564498A Processing method of snchronously transmitting speech service in CDMA network pack data service
01/12/2005CN1564497A Idle time expanding frequency spectrum method of CDMA and corresponding mobile station receiving circuit
01/12/2005CN1564496A CDMA communication system and method applying multi-mode TURBO code
01/12/2005CN1564495A Load balancing method in system of broad band CDMA
01/12/2005CN1564485A Rate matching method and appts. for date transmission
01/12/2005CN1564484A Rate matching method and appts. for date transmission
01/12/2005CN1564478A Reverse external ring power control method
01/12/2005CN1184784C Carrier tracking loop for direct sequence spread spectrum systems
01/12/2005CN1184765C Equipment for supporting common channel block data service in CDMA 2000 wireless access network its method
01/12/2005CN1184764C Backward external ring power control method in CDMA communication system
01/12/2005CN1184763C Method for optimizing transmission resource in CDMA system
01/12/2005CN1184762C Method for controlling external loop power in WCDMA system
01/12/2005CN1184761C Method for automatic switching between transmitting diversity and non-transmitting diversity
01/12/2005CN1184760C Data transmission control method of downgoing high speed shared channel in high speed data insertion system
01/12/2005CN1184759C Channel power control method in high speed data insertion system
01/11/2005US6842624 Systems and techniques for power control
01/11/2005US6842619 Telecommunications system and method for load sharing within a code division multiple access 2000 network
01/11/2005US6842442 DS-CDMA transmission method
01/11/2005CA2371482C Channel assignment in a spread spectrum cdma communication system
01/11/2005CA2341577C Data rate detection device and method for a mobile communication system
01/06/2005WO2005002065A2 Ultra-wideband communication through local power lines
01/06/2005US20050005205 Method and system for coded null packet-aided synchronization
01/06/2005US20050002443 Method and apparatus for generating complex four-phase sequences for a CDMA communication system
01/06/2005US20050002360 Method of and apparatus for communication via multiplexed links
01/06/2005US20050002349 CDMA/TDD mobile communication system and method
01/05/2005EP1494384A2 Method for balancing the ratio Eb/l in a service multiplexing CDMA system and telecommunication system using this method
01/05/2005EP1494372A1 Base station apparatus of mobile communication system
01/05/2005EP1494349A1 Spread spectrum clock generator
01/05/2005EP1493294A1 Handoff between base stations of different protocol revisions in a cdma system
01/05/2005EP1493292A1 Allocation of channelisation code based on cost function
01/05/2005EP1493236A2 A system and method for selecting spreading codes based on multipath delay profile estimation for wireless transceivers in a communication network
01/05/2005EP1378086B9 Turbo decoder with circular redundancy code signature comparison
01/05/2005CN2669495Y Mobile communication terminal module based on CDMA1X system
01/05/2005CN1561595A Method of spread spetrum of code channels for LS codes
01/05/2005CN1561594A Method and apparatus for spread space time block coding
01/05/2005CN1561031A Interconnected network web information issuing method
01/05/2005CN1183704C Method of transmitting block data in code division multiple access system using power control signal
01/05/2005CN1183695C Closed loop power control in radio communication system
01/05/2005CN1183690C Interference diversity in frequency hopping communications networks
01/04/2005US6839876 Preamble using Golay sequence for access channel in cellular communications systems
01/04/2005US6839336 Acknowledging broadcast transmissions
01/04/2005CA2330444C Apparatus and method for transmission/reception
12/2004
12/30/2004US20040264977 Method and apparatus for waveform generation
12/30/2004US20040264965 Optical code division multiplex transmission method and optical code division multiplex transmission device
12/30/2004US20040264553 Method of and apparatus for controlling system timing with use of a master timer
12/29/2004WO2004114596A1 Frame format decoder and training sequence generator for wireless lan networks
12/29/2004EP1492376A1 Base station apparatus of mobile communication system
12/29/2004EP1492368A1 Base station apparatus of mobile communication system
12/29/2004EP1492262A2 Method and apparatus for variable rate communication
12/29/2004EP1492254A1 Code generation for a mobile communication system
12/29/2004EP0883941B1 Multiple access communications system and method using code and time division
12/29/2004CN1559110A Method and apparatus for determination of initialization states in pseudo-noise sequences
12/29/2004CN1559109A Apparatus and method for generating a code mask
12/29/2004CN1558626A Method for realizing group control function by means of network processor
12/29/2004CN1558579A Optimization service allocated channel adaptive routing method