Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
03/2000
03/08/2000EP0984577A2 A code sequence generator apparatus for a CDMA modem
03/08/2000EP0984576A1 Rake receiver for direct spreading cdma transmission
03/08/2000EP0984569A1 Satellite broadcasting system and broadcasting satellite
03/08/2000EP0984562A2 Pilot interpolation synchronous detection in a Rake receiver
03/08/2000EP0984561A2 CDMA Rake receiver detecting timing relation between fingers
03/08/2000EP0984559A2 CDMA receiver low current consumption
03/08/2000EP0983649A1 Methods and arrangements in a radio communications system
03/08/2000EP0983648A1 Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in cdma communication system
03/08/2000EP0983647A1 Device and method for generating PN sequence in CDMA communication system
03/08/2000EP0983646A1 Data communication device and method for mobile communication system with dedicated control channel
03/07/2000US6035218 Radio signal repeating apparatus of a code division multiple access communication system
03/07/2000US6035213 Dual-mode cellular telephone system
03/03/2000CA2270677A1 Apparatus and method for expanding service area of cdma mobile communication system
03/02/2000WO2000011825A1 Method and apparatus for transmission and construction of quasi orthogonal vectors
03/02/2000WO2000011823A1 Stacked-carrier discrete multiple tone communication technology
03/02/2000WO2000011814A1 Digital communication methods with distributed reference symbols
03/02/2000WO2000011799A1 Iterative rake receiver and corresponding reception method
03/02/2000CA2340760A1 Method and apparatus for transmission and construction of quasi orthogonal vectors
03/02/2000CA2340716A1 Stacked-carrier discrete multiple tone communication technology
03/01/2000EP0982879A1 Cdma base station and method of transmission power control
03/01/2000EP0982874A2 Adaptive transmission power control apparatus and method
03/01/2000EP0982872A2 Multiuser interference canceller
03/01/2000EP0982871A2 CDMA Rake reception signal combining
03/01/2000EP0873593A4 Timing adjustment control for efficient time division duplex communication
03/01/2000EP0838105A4 Multipath resistant, orthogonal code-division multiple access system
03/01/2000EP0720794A4 A method and apparatus for identifying a coded communication signal
03/01/2000EP0529051B1 Apparatus for providing high data rate traffic channels in a spread spectrum communication system
03/01/2000CN1246223A Method and apparatus for line or frame-synchronous frequency hopping of video transmissions
03/01/2000CN1246222A Method of reducing interference, and radio system
03/01/2000CN1246004A Frequency control method in CDMA communication system
02/2000
02/29/2000USRE36591 Transmission diversity for a CDMA/TDD mobile telecommunication system
02/29/2000US6032049 Wireless telecommunication system using frequency hopping, and method of controlling same
02/29/2000US6031883 Enhanced frequency agile radio
02/29/2000US6031415 Matched filter circuit for spread spectrum communication
02/24/2000WO2000010335A2 Device and method for multiplexing physical channel in cdma communication system
02/24/2000WO2000010298A1 A flexible frame structure for a cdma wireless network
02/24/2000WO2000010277A1 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties
02/24/2000WO2000010261A2 Changing a faulty radio channel
02/24/2000WO2000008908A2 Device and method for transmitting preamble of access channel in mobile communication system
02/24/2000WO2000002326A3 Data transmission method and mobile telephone system
02/24/2000DE19836582A1 Correcting carrier wave frequency shift in direct sequence band spread communication system
02/24/2000DE19836576A1 Radio channel change method especially for mobile radio system
02/24/2000CA2321527A1 A flexible frame structure for a cdma wireless network
02/23/2000EP0981256A2 Handover method, base station, mobile station, and mobile communication system
02/23/2000EP0981255A2 Handover method in CDMA mobile communication system
02/23/2000EP0981254A2 Handoff method selection in a CDMA mobile communication system
02/23/2000EP0981221A2 System and method for code division multiple access communication, and base station and terminal apparatus for same system
02/23/2000EP0981208A2 Base station transmitter for cdma system, power control and serial signal transmitting method therefor
02/23/2000EP0980605A2 Mask generating polynomials for pseudo-random noise generators
02/23/2000CN1245385A Power controlling method for calling trapping period in CDMA mobile communication system
02/23/2000CN1049784C Code division multiple access inbound messaging system utilizing re-use of sequences
02/22/2000US6028894 SIR or SNR measurement apparatus
02/22/2000US6028888 Single-channel and multi-channel coherent demodulation devices with no pilot signal, and corresponding receiving system using a plurality of diversity paths
02/22/2000US6028868 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless communications system
02/22/2000CA2137716C Code division multiple access signal receiving apparatus for base station
02/17/2000WO2000008869A2 Channel communication apparatus and method in cdma communication system
02/17/2000WO2000008789A1 Method and device for allocating channels in a communication system with cdma subscriber separation
02/17/2000DE19832554A1 Spreizvorrichtung für multiple Datenraten Spreading for multiple data rates
02/16/2000EP0980160A1 Multirate, multicode CDMA transmission for a cellular mobile radio system
02/16/2000EP0980159A1 Device enabling different spreading factors whilst preserving a common scrambling code
02/16/2000EP0980152A1 A time slot including reference symbols used in a CDMA type transmission network
02/16/2000EP0979585A1 Ramdom access in a mobile telecommunications system
02/16/2000EP0979562A1 Rate control device and method for cdma communication system
02/16/2000EP0834123B1 Machine control module for a processor
02/15/2000US6026118 Method for using circular spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system
02/15/2000US6026117 Method and apparatus for generating complex four-phase sequences for a CDMA communication system
02/15/2000US6026116 Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
02/15/2000US6026081 Method of controlling power on forward link in a cellular
02/15/2000US6025944 Wavelength division multiplexing/code division multiple access hybrid
02/10/2000WO2000007399A1 Apparatus, method of and system for improving capacity in a communications network
02/10/2000WO2000007394A1 Base station device and radio communication method
02/10/2000WO2000007319A2 Optical cdma system using sub-band coding
02/10/2000WO2000007317A1 Method and apparatus for reduced interference in optical cdma
02/10/2000WO2000007316A1 Optical cdma system
02/10/2000WO1999067921A3 Method for digital radio transmission of data from several subscribers
02/10/2000DE19835643A1 Verfahren und Einrichtung zur Kanalzuteilung in einem Kommunikationssystem mit CDMA-Teilnehmerseparierung Method and apparatus for channel allocation in a communication system with CDMA subscriber
02/10/2000CA2339113A1 Method and apparatus for reduced interference in optical cdma
02/10/2000CA2339098A1 Optical cdma system using sub-band coding
02/10/2000CA2338990A1 Optical cdma system
02/10/2000CA2304791A1 Base station apparatus and radio communication method
02/10/2000CA2279754A1 A time slot including reference symbols used in a cdma type transmission network
02/09/2000EP0978969A2 Method and device for demodulating a received signal including a pilot signal
02/09/2000EP0978212A2 Method for channel allocation
02/09/2000EP0978168A2 Orthogonal code synchronization system and method for spread spectrum cdma communications
02/09/2000CN1244320A Method, system and mobile communication unit for communicating over multiple channels in wireless communication system
02/09/2000CN1244319A Channel estimating apparatus, and CDMA receiver and transceiver each having the apparatus
02/09/2000CN1049312C Spread spectrum address coding technique
02/09/2000CN1049309C Parameter table reduction device for changeable length decoder
02/08/2000US6023462 Fixed wireless loop system that ranks non-assigned PN codes to reduce interference
02/03/2000WO2000005915A1 Method and apparatus for a cdma random access communication system
02/03/2000WO2000005912A1 Method of allocating resources and allocation scheme therefor
02/03/2000WO2000005831A1 Spreader for multiple data rates
02/03/2000WO2000005829A1 Data transmission method, radio network subsystem, and user equipment
02/02/2000EP0977393A1 Cdma communication method
02/02/2000EP0977383A2 Receiver used in a transmission system for spectral coded data and method therefor
02/02/2000EP0977380A1 Cellular radiocommunications system employing a data repetition downwards from a base station and data repeater therefor
02/02/2000EP0977379A2 A receiving apparatus for a random access channel of a CDMA mobile communication system
02/02/2000EP0977378A2 Spread spectrum communication system and handover method therein
02/02/2000EP0976207A1 Data communication method in mobile communication system
02/02/2000EP0976205A1 Data transfer method and system in low voltage networks