Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/2000
05/04/2000WO2000025305A1 High frequency content recovering method and device for over-sampled synthesized wideband signal
05/04/2000WO2000025304A1 Perceptual weighting device and method for efficient coding of wideband signals
05/04/2000WO2000025303A1 Periodicity enhancement in decoding wideband signals
05/04/2000WO2000025298A1 A method and device for adaptive bandwidth pitch search in coding wideband signals
05/04/2000WO2000025211A1 Satellite simulator
05/04/2000WO2000007377A3 Gated transmission in control hold state in cdma communication system
05/04/2000DE19948039A1 Antennen-Array-Kalibrierung Antenna array calibration
05/04/2000DE19849458A1 Drahtloses Netzwerk mit einer Taktsynchronisation Wireless network clock synchronization
05/04/2000DE19836375C1 Verfahren zum Beeinflussen des Pegels eines hochfrequenten Sendesignals in einer Basisstation eines Funkfestnetzes Method for influencing the level of a high-frequency signal transmission in a base station of a radio fixed network
05/04/2000CA2348051A1 Ethernet digital storage (eds) card and satellite transmission system
05/04/2000CA2316168A1 Wireless network with clock synchronization
05/03/2000EP0998165A1 Method for ATM data transmission within a mobile satellite system
05/03/2000EP0998159A1 Method and system for restricting the operation of a radio device within a certain area
05/03/2000EP0998158A2 Method and system to relieve sudden temporary congestion
05/03/2000EP0998157A2 Mobile communication system capable of reducing a traffic between a control station and base stations
05/03/2000EP0998154A2 Wireless communication control method and wireless transmission apparatus
05/03/2000EP0998098A2 Mobile-tcp and method of establishing and maintaining a mobile-tcp connection
05/03/2000EP0998096A2 Method of operating a portable communication device
05/03/2000EP0998093A2 Method to transmit reverse channel data in a communication between a terminal and a server in a packet switched network
05/03/2000EP0998083A1 Equalisation method, particularly for offset modulation types
05/03/2000EP0998075A2 Terminal unit, computer server, communication method, and record medium
05/03/2000EP0998069A2 Communication method and apparatus using a variable modulation scheme
05/03/2000EP0998065A1 Channel module for acquisition and tracking used in a radio communication system
05/03/2000EP0998064A1 Apparatus for the exchange of radio signals comprising time markers used to synchronise time standards
05/03/2000EP0998063A2 Method for enhancing the performance of a satellite communications system using multibeam antennas
05/03/2000EP0998062A1 Cellular radiotelephony device usable on board of a passengers transport vehicle
05/03/2000EP0998061A2 Latency reduction in satellite communication systems
05/03/2000EP0998060A2 Method for enhancing performance of open-loop power control algorithms for satellite communications systems
05/03/2000EP0998059A1 Mobile communication terminal with a removable data module for access to a first or second communication network
05/03/2000EP0998058A2 Scanning antenna diversity system for vehicles
05/03/2000EP0998057A1 Mobile telephone system and site diversity reception method
05/03/2000EP0998056A2 Radio communication apparatus and transmission antenna changing method
05/03/2000EP0998055A2 Improvements in or relating to power control in wideband code division multiple acces
05/03/2000EP0998054A1 Method for estimation of an impulse response of a signal transmission channel and mobile station
05/03/2000EP0997978A1 Radiation patterns for mobile phone
05/03/2000EP0997958A1 A space saving mobile device
05/03/2000EP0997037A1 A system for forming and processing program specific information suitable for terrestrial, cable or satellite broadcast
05/03/2000EP0997036A1 A system for forming and processing program specific information containing text data for terrestrial, cable or satellite broadcast
05/03/2000EP0997012A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a "jd-cdma" telecommunications system with hybrid multiple access techniques
05/03/2000EP0997011A1 Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power
05/03/2000EP0997010A1 Method and apparatus for group calls in a wireless cdma communication system
05/03/2000EP0997009A2 Data communication and radio system
05/03/2000EP0997008A2 Method and apparatus for downlink power control in macro diversity radio systems
05/03/2000EP0997005A1 Device and method for controlling output power of mobile communication terminal
05/03/2000EP0997004A1 Device and method for measuring non-orthogonal noise power for cdma communication system
05/03/2000EP0996889A1 A frame format and frame assembling/disassembling method for the frame format
05/03/2000EP0996879A1 Internet caching system
05/03/2000EP0904551B1 Spoofing detection system for a satellite positioning system
05/03/2000EP0878064B1 Code-modulated transmission process and transmission system operating according thereto
05/03/2000EP0788687B1 Communication method and apparatus with transmission of a second signal during absence of a first one
05/03/2000EP0730802A4 System and method for simultaneously authorizing multiple virtual channels
05/03/2000EP0598888B1 Channel re-assignment method for time division multiple access (tdma) trunked systems
05/03/2000CN1252203A Predictive coding method and decoding method for dynamic image
05/03/2000CN1252197A Transmitting and receiving methods and devices
05/03/2000CN1252196A System for transmitting high-speed added-value services in terrestrial digital broadcasting
05/03/2000CN1252193A Reducing interference in mobile communication system
05/03/2000CN1252192A Base station and receiver device for mobile communications system with TDMA subscriber separation
05/03/2000CN1252191A Mobile satellite phone system incorporating symmetrical and non-symmetrical waveform modes
05/03/2000CN1252190A Method and apparatus for limiting transmitting power of mobile station
05/03/2000CN1252189A Multi-user communication system architecture with distributed transmitters
05/03/2000CN1252188A Circuit for synchronizing CDMA mobile phones
05/03/2000CN1252184A Communication system, device and method
05/03/2000CN1251958A Mobile station, fixable mobile station, and method and earth station thereof
05/03/2000CN1251956A CDMA receiver with synchronous time announce unit with low current consumption
05/03/2000CN1052124C Random access satellite communication system using random numbers generated in range variable with channel traffic
05/02/2000US6058427 Apparatus and method for generating a serial data stream carrying data for multiple network switch ports for use by a physical transceiver
05/02/2000US6058374 Inventorying method and system for monitoring items using tags
05/02/2000US6058320 Method and device for controlling the power source of a portable radio transceiver
05/02/2000US6058318 Radio base station in cellular mobile communication system
05/02/2000US6058317 Base station having at least two radio set units located at a distance from a central processing unit and a method of using the same
05/02/2000US6058316 Dual mode mobile telephone apparatus with user selected analog and digital call modes
05/02/2000US6058314 Apparatus and method for connection and data transfer between base station managing devices and a network management center
05/02/2000US6058307 Priority and preemption service system for satellite related communication using central controller
05/02/2000US6058306 Compensation of dynamic doppler frequency of large range in satellite communication systems
05/02/2000US6058297 Radio receiver for vehicle use
05/02/2000US6058145 Method of demodulating a multi-frequency quadrature modulated signal
05/02/2000US6058138 Radio reception system providing improved transmission quality
05/02/2000US6058115 Communication method and apparatus utilizing protocol options
05/02/2000US6058112 Internal rules checker diagnostic mode
05/02/2000US6058108 Method and apparatus for locating a digital control channel in a radiocommunication system
05/02/2000US6058107 Method for updating forward power control in a communication system
05/02/2000US6058106 Network protocol method, access point device and peripheral devices for providing for an efficient centrally coordinated peer-to-peer wireless communications network
05/02/2000US6058105 Multiple antenna communication system and method thereof
05/02/2000CA2282780A1 A method and apparatus for achieving channel variability in spread spectrum communication systems
05/02/2000CA2192286C Method and system for providing communications service to a coverage hole
05/02/2000CA2191098C Multiple access up converter/modulator and method
05/02/2000CA2143319C Mobile telephone system
05/02/2000CA2138212C Ds/cdma diversity receiver with despreading filters
04/2000
04/30/2000CA2287753A1 Method and apparatus for determining antenna pointing parameters in a satellite receiver
04/28/2000CA2287609A1 Communication method and apparatus
04/28/2000CA2281431A1 Mobile-tcp and method of establishing and maintaining a mobile-tcp connection
04/27/2000WO2000025436A1 A narrowband interference canceller for a direct-sequence spread-spectrum communications system
04/27/2000WO2000024224A1 Architecture for managing transmission channels in telecommunication system switch, particularly for satellite applications
04/27/2000WO2000024214A1 Method of cell re-selection, and network part, and subscriber terminal
04/27/2000WO2000024213A1 Method and apparatus for setting up a communication with a target base station in a cellular or cordless mobile telecommunications system
04/27/2000WO2000024170A1 Method and apparatus of providing adaptive equalization using sign permutation filtering
04/27/2000WO2000024153A1 Accumulative arq method and system
04/27/2000WO2000024146A1 Code allocation in cdma
04/27/2000WO2000024141A2 Mobile radio telephone system and a mobile station which function in duplex and semi-duplex mode
04/27/2000WO2000024139A1 Encryption support in a hybrid gsm/cdma network