| Patents for H04J 13 - Code division multiplex systems (21,510) |
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| 02/02/2000 | CN1243629A Data transmission method and radio system |
| 02/02/2000 | CN1243362A Power control method |
| 02/01/2000 | US6021166 Cellsite station having switcher to establish connections between RF units and modem units to implement intra-cell handover |
| 02/01/2000 | US6021137 Data collection system |
| 02/01/2000 | US6021123 Cellular radio system using CDMA scheme |
| 02/01/2000 | US6020672 Surface acoustic wave converter with improved frequency characteristics, surface acoustic wave device using such converter, and communication system using such device |
| 02/01/2000 | CA2130667C Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system |
| 01/27/2000 | WO2000004728A2 Processing packet data in mobile communication system |
| 01/27/2000 | WO2000004666A1 Channel assignment within a broad-band communication system |
| 01/27/2000 | WO2000004649A1 Method for controlling transmission power in wcdma system |
| 01/27/2000 | WO1999063682A3 Fast acquisition of traffic channels for a highly variable data rate |
| 01/27/2000 | DE19833549A1 Empfänger für den Einsatz in einem Übertragungssystem für spektral kodierte Daten sowie ein Verfahren Receiver for use in a transmission system for spectrally encoded data and a method |
| 01/26/2000 | EP0975184A1 Method of allocating resources and allocation scheme therefor |
| 01/26/2000 | EP0975098A2 Frequency control method in a cdma communication system for preventing deterioration in communication quality despite failure of transmission power control in a mobile station |
| 01/26/2000 | EP0975091A2 Digital filter |
| 01/26/2000 | CN1242890A Communication station with multiple antennas |
| 01/26/2000 | CN1242654A Method for optimizing forward power control in CDMA system |
| 01/25/2000 | US6018547 Method and apparatus for increasing spectral efficiency of CDMA systems using direct sequence spread spectrum signals |
| 01/25/2000 | US6018528 System and method for optimizing spectral efficiency using time-frequency-code slicing |
| 01/25/2000 | CA2278445A1 Receiver for use in a transmission system for spectral-coded data as well as a method |
| 01/25/2000 | CA2155817C Ds/cdma receiver having an interference cancelling function capable of assuring a desired reception quality in a narrow-band ds/cdma system |
| 01/25/2000 | CA2137515C Mobile communication system capable of transmitting and receiving a radio signal obtained by tdma and cdma without interference |
| 01/20/2000 | WO2000003549A2 Channel communication device and method for mobile station in asynchronous cdma communication system |
| 01/20/2000 | WO2000003507A2 A variable clock rate correlation circuit and method of operation |
| 01/20/2000 | WO2000003492A1 Method and apparatus for implementing diversity for a dual-mode communication unit |
| 01/20/2000 | WO1999056474A3 Non-continuous transmission for handover in cdma systems using a segmented time frame structure |
| 01/19/2000 | CN1242127A Circuit for eliminating external interference signals in code division multiple access mobile phone |
| 01/19/2000 | CN1242126A Apparatus for eliminating external interference signals in code division multiple access mobile phone and method therefor |
| 01/19/2000 | CN1241886A Mobile communication system and method thereof |
| 01/19/2000 | CN1241881A Transmitter |
| 01/19/2000 | CN1241857A Adaptive acoqisition system for CDMA and spread spectrum systems compensating for frequency offset and noise |
| 01/13/2000 | WO2000002398A2 Method for transmitting power control signal in mobile communication system |
| 01/13/2000 | WO2000002397A2 Device and method for cancelling code interference in a cdma communication system |
| 01/13/2000 | WO2000002338A1 Cdma receiving method and circuit |
| 01/13/2000 | WO2000002327A1 Spread spectrum communication system |
| 01/13/2000 | WO2000002326A2 Data transmission method and mobile telephone system |
| 01/13/2000 | WO1999059255A3 Handoff method in a mobile communication system supporting transmission diversity |
| 01/12/2000 | EP0971554A2 Access method for CDMA mobile communication system |
| 01/12/2000 | EP0971489A2 Method and transmitter in a CDMA communication system |
| 01/12/2000 | EP0970571A1 Communication station with multiple antennas |
| 01/12/2000 | CN1241074A Transmission power control for use in transmitting apparatus in CDMA communication system |
| 01/12/2000 | CN1241070A Multiuser interference canceler for DS-CDMA system |
| 01/11/2000 | US6014407 Method and system for simultaneously broadcasting and receiving digital and analog signals |
| 01/11/2000 | CA2145700C System and method for optimizing spectral efficiency using time-frequency-code slicing |
| 01/06/2000 | WO2000001092A1 Non-recursively generated orthogonal pn codes for variable rate cdma |
| 01/06/2000 | WO2000001091A1 Pn code selection for synchronous cdma |
| 01/06/2000 | WO2000001080A1 System, device, and method for initial ranging in a communication network |
| 01/06/2000 | CA2336267A1 System, device, and method for initial ranging in a communication network |
| 01/05/2000 | EP0969684A1 Method of providing service and data rate negotiation in a mobile communication system |
| 01/05/2000 | EP0969683A1 Method of providing service and data rate negotiation in a mobile communication system |
| 01/05/2000 | DE19827701A1 Verfahren zur digitalen Funk-Übertragung von Daten mehrerer Teilnehmer Method for digital radio transmission of data for several devices |
| 01/04/2000 | US6011800 Hierarchical resource management method, system, base station, head-end unit and subscriber unit for variable resource size communication systems |
| 01/04/2000 | US6011789 Broadband CDMA overlay system and method |
| 01/04/2000 | US6011637 Optical network unit and center of an optical communication network |
| 12/29/1999 | WO1999067921A2 Method for digital radio transmission of data from several subscribers |
| 12/29/1999 | WO1999059351A3 Method and device for channel estimation |
| 12/29/1999 | EP0967741A2 Communication in code division multiple access with frequency and power allocation |
| 12/29/1999 | EP0967734A2 Multiuser interference canceler for DS-cdma system |
| 12/29/1999 | EP0967717A2 Predistortion control for power reduction |
| 12/29/1999 | EP0966818A1 Improvements in ultrafast time hopping cdma-rf |
| 12/29/1999 | EP0966797A2 Highly bandwidth-efficient communications |
| 12/29/1999 | CN1240071A Method and apparatus for synchronized communication over wireless backbone architecture |
| 12/28/1999 | US6009544 Deinterleaver |
| 12/28/1999 | US6009327 Hand-off method in a personal communication service system |
| 12/28/1999 | US6009091 Method and apparatus for mobile station location within a communication system |
| 12/28/1999 | US6009090 Code multiplexing wireless apparatus |
| 12/28/1999 | US6009087 Mobile communication system using various multiple access methods |
| 12/28/1999 | CA2162332C Variable transmission bit rate discrimination method and apparatus |
| 12/23/1999 | WO1999066755A1 Method of sending time slots in base station system and such a system |
| 12/23/1999 | WO1999066663A1 State synchronizing method and device of base and mobile station in cdma system |
| 12/23/1999 | WO1999066661A1 Frame synchronization techniques and systems for spread spectrum radiocommunication |
| 12/23/1999 | WO1999066654A1 Method and device for transmitting information at various carrier frequencies |
| 12/23/1999 | WO1999066653A1 Method and device for converting a random number sequence into carrier frequencies for mobile radio transmission |
| 12/23/1999 | WO1999066652A1 Method and device for transmitting information using varying carrier frequencies by means of a frequency hopping method |
| 12/23/1999 | WO1999066651A1 Method and device for transmitting information using varying carrier frequencies |
| 12/23/1999 | WO1999066650A1 Method and device for transmitting information using varying carrier frequencies by means of a frequency hopping method |
| 12/23/1999 | WO1999066645A2 Quadriphase spreading codes in code division multiple access communications |
| 12/23/1999 | WO1999066644A2 Device and method for controlling transmission power of punctured frame |
| 12/23/1999 | WO1999066643A2 Device and method for measuring non-orthogonal noise power for cdma communication system |
| 12/23/1999 | WO1999053629A3 Method and system for controlling the transmission power of certain parts of a radio transmission |
| 12/23/1999 | CA2335302A1 Method and apparatus for converting a random number sequence into carrier frequencies for a mobile radiotelephone transmission |
| 12/22/1999 | EP0966114A2 Transmission power control for use in a transmitting apparatus in a CDMA communication system |
| 12/22/1999 | EP0966110A2 Finger receiver unit capable of tracking a quick variation of a delay profile |
| 12/22/1999 | EP0965188A1 Method and apparatus for generating complex four-phase sequences for a cdma communication system |
| 12/22/1999 | EP0965186A1 Transmission timing offset method for ds-cdma mobile telephone systems |
| 12/22/1999 | EP0965183A1 A circuit and method for controlling the power used by a portable radiotelephone |
| 12/22/1999 | EP0583241B1 Spread spectrum correlator |
| 12/22/1999 | CN1239615A Method and appts. for generating complex four-phase sequences for CDMA communication system |
| 12/22/1999 | CN1239390A CDMA handoff arrangement for mobile station encountering sudden field strength variations at boundary of adjacent cells |
| 12/22/1999 | CN1239387A Method of allocating optimum walsh codes to reverse link |
| 12/22/1999 | CN1239386A Method of transmitting datas and radio communicating system |
| 12/22/1999 | CN1239366A Modulation apparatus and method using zero-crossing detection |
| 12/22/1999 | CN1239361A Route estimating device and communication terminal device |
| 12/22/1999 | CN1239358A Finger receiver unit capable of tracking quick variation of delay profile |
| 12/21/1999 | US6005888 Method for providing offset mask for pseudo-noise sequence generator |
| 12/21/1999 | US6005855 Method and apparatus for providing variable rate data in a communications system using statistical multiplexing |
| 12/21/1999 | US6005854 Synchronous wireless access protocol method and apparatus |
| 12/21/1999 | US6005852 Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals |
| 12/21/1999 | US6005848 Method and apparatus for a talkgroup call in a wireless CDMA system |
| 12/16/1999 | WO1999065148A1 Channel coding device and method for rate matching |