Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
06/2004
06/09/2004CN1503460A Apparatus and method for transmitting information signal
06/09/2004CN1153481C Device and method for locating mobile station in mobile communication system
06/09/2004CN1153403C Apparatus and method for generating pseudorandom quantities based upon radio channel cahracteristics
06/09/2004CN1153378C Data communication device and method for mobile communication system with dedicated control channel
06/09/2004CN1153370C Estimation method of transmission channels in communication systems tranceiver with wireless telecommunication
06/08/2004US6748012 Multiuser receiver and communication system that performs multicode transmission
06/08/2004US6748006 Method and apparatus for controlling system timing with use of a master timer
06/08/2004US6747994 Selecting optimal transmit formats for transmissions over allocated time durations
06/08/2004US6747965 CDMA mobile communication system
06/08/2004US6747964 Method and apparatus for high data rate transmission in a wireless communication system
06/08/2004US6747963 Apparatus and method for gated transmission in a CDMA communication system
06/08/2004US6747958 Transport format combination selection for compressed mode in a W-CDMA system
06/08/2004US6747947 OVSF code system and methods for CDMA stations
06/03/2004WO2004047336A1 Base station apparatus and method for controlling transmission assignment
06/03/2004WO2004021585A3 Mobile communication system using position location information _____________________________________________________
06/03/2004US20040106407 Method for changing over to different frequency at cellular phone system and cellular phone system using the method and base station controlling apparatus in the system
06/03/2004US20040106371 Method for controlling transmission power in a mobile radiocommunication system
06/03/2004US20040105344 Communication system for underwater use
06/02/2004EP1424791A1 INTERFERENCE WAVE POWER MEASUREMENT APPARATUS, TRANSMISSION POWER CONTROL APPARATUS, AND METHOD
06/02/2004CN1502211A Method and apparatus for adaptive transmission control in a high data rate communication system
06/02/2004CN1502182A Parallel spread spectrum communication system and method
06/02/2004CN1501620A Automatic equalization system
06/02/2004CN1501616A Code reuse apparatus in cdma wireless communication system using beamforming by antenna array and code reuse method therefor
06/02/2004CN1501613A Method and system for reducing synchronization time in a cdma wireless communication system
06/02/2004CN1501610A An identifying method of invisible path in mobile system
06/02/2004CN1501609A A Multipath tracing method and apparatus for CDMA communication system
06/02/2004CN1501608A A method for optimizing partial interference neutralization weight by using channel estimate
06/02/2004CN1501596A A method for composing optimum optical orthogonal code
06/02/2004CN1152501C Doppler small wave base based self-adaptive coherent interference suppression method
06/02/2004CN1152500C Mobile station acces control method for CDMA system
06/02/2004CN1152499C Multipath receiver
06/02/2004CN1152497C Method for synchronizing special physical channels in WCDMA access system and synchronizing judging apparatus
06/02/2004CN1152496C Adaptive method for CDMA wireless communication system
06/02/2004CN1152495C Digital shaping filter in WCDMA communication system
06/02/2004CN1152484C Base station equipment and method for steering antenna beam
06/02/2004CN1152480C Method and apparatus for reducing interference between base stations in broadband CDMA system
06/01/2004US6744809 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
06/01/2004US6744808 Techniques to increase data transmission rate of spread spectrum communications systems
06/01/2004US6744744 Rate matching and channel interleaving for a communications system
05/2004
05/27/2004WO2004045122A1 Cdma transmitting apparatus and cdma receiving apparatus
05/27/2004WO2004021506A3 Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements
05/27/2004WO2003088541A8 A coding method having intergroup zero correlation window characteristic for spread code
05/27/2004US20040101068 Digital receiver capable of processing modulated signals at various data rates
05/27/2004US20040100985 System and method for the reuse of S-CDMA parameters to define TDMA minislot size
05/27/2004US20040100925 Mobile station, base station, communication system, and communication method
05/27/2004US20040100896 De-boosting in a communications environment
05/26/2004EP1422853A1 Radio transmission system and method and transmission station apparatus and reception station apparatus used in the radio transmission system
05/26/2004EP1422851A1 Radio communication apparatus and radio communication method
05/26/2004EP1422836A1 Method and apparatus for rate determination in a communication system
05/26/2004EP1421757A2 Method and apparatus for enhancing data rates in spread spectrum communication systems
05/26/2004EP1421725A1 Dynamic link adaption for time division duplex (tdd)
05/26/2004EP1421711A2 Systems and techniques for power control
05/26/2004EP1234399B1 Method and device for processing a digital data signal in a cdma radio transmitter
05/26/2004EP0901722B1 Subscriber unit for cdma wireless communication system
05/26/2004EP0776555B1 Multiple access coding using bent sequences for mobile radio communications
05/26/2004CN1500362A CDMA redio base station appts. and duplexing system thereof
05/26/2004CN1500335A System for generating pseudorandom sequences
05/26/2004CN1500323A Wireless clock synchronization
05/26/2004CN1500318A Method and appts. for controlling transit power of multiple channels in CDMA communication system
05/26/2004CN1500317A Method of controlling reverse transmission in mobile communication system
05/26/2004CN1499767A Visibility method for recognizing propagation path
05/26/2004CN1499766A Method and system for reducing dead zone in third generation mobile telecom system
05/26/2004CN1499764A Device for creating branch measuring suitable to viterbi decoder
05/26/2004CN1499763A Method and equipment for reaching synchronization to base station
05/26/2004CN1499762A Method for building wireless access loadbearing for MBMS services
05/26/2004CN1499759A Method for accessing service of broadcast and multicast operation in multimedia
05/26/2004CN1499758A Latch unit for data stream and method
05/26/2004CN1499755A Optimized method for controlling outer ring power and device
05/26/2004CN1151623C 码分多址移动通信系统及其传输功率控制方法 CDMA mobile communication system and its transmission power control method
05/26/2004CN1151621C Overzone switching communication method of code division multiple access mobile communication system
05/26/2004CN1151620C Multiuser downstream grouping transmission quality control method for CDMA communication system
05/26/2004CN1151612C Wide band radio transmission method
05/25/2004US6741867 Non-linear distortion compensation circuit, transmitter device to be employed in the same and mobile communication unit
05/25/2004US6741618 Device and method for multiplexing physical channel in CDMA communication system
05/25/2004US6741587 Inter-frequency measurements with MIMO terminals
05/25/2004US6741583 Telecommunication system for wireless telecommunication with a CDMA, FDMA, and TDMA multiple access component
05/25/2004US6741578 Apparatus and method for synchronizing channels in a W-CDMA communication system
05/25/2004US6741577 Inter-frequency handover in wireless CDMA systems
05/25/2004US6741550 Method of allocating optimum walsh codes to reverse link
05/25/2004CA2333135C Method for controlling gated transmission of dedicated channel in w-cdma communication system
05/25/2004CA2301682C Method and arrangement for transmitting payload data in a radiocommunication system
05/25/2004CA2128327C Method and apparatus for the formatting of data for transmission
05/21/2004WO2004043025A1 Method for mbms radio access bearer establishment
05/21/2004WO2004043022A1 Service access method for multimedia broadcast/ multicast service
05/21/2004WO2003101124A8 A method for automated setting up special operation maintenance channel in 3g base station
05/20/2004US20040097253 Transmissions in a communication system
05/20/2004US20040097237 Method of collecting information in mobile communication system
05/20/2004US20040097223 Method of reducing dead zones within a UMTS system, corresponding mobile telecommunication system and mobile station
05/20/2004US20040095989 Code division multiple access enhanced capacity system
05/20/2004US20040095963 Process for sharing an upstream among multiple downstreams
05/20/2004US20040095908 Method and system for selecting a best serving sector in a CDMA data communication system
05/19/2004EP1420538A1 Method for gated transmission in a CDMA communication system
05/19/2004EP1420537A1 A method and apparatus for assigning codes
05/19/2004EP1420536A1 A method and apparatus for assigning codes
05/19/2004EP1420535A1 A method and apparatus for assigning codes
05/19/2004EP1420534A1 A method and apparatus for assigning codes
05/19/2004EP1420533A1 A method and apparatus for assigning codes
05/19/2004EP1420531A1 MOBILE BODY COMMUNICATION SYSTEM, MULTI−CARRIER CDMA TRANSMISSION APPARATUS, AND MULTI−CARRIER CDMA RECEPTION APPARATUS
05/19/2004EP1420520A2 Despreading of a CPM (continuous phase modulation) spread-spectrum signal
05/19/2004EP1419603A1 Method for physical layer automatic repeat request for a base station