Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/2002
02/21/2002US20020021241 Methods and apparatuses of positioning a mobile user in a system of satellite differential navigation
02/21/2002US20020021227 Vehicle communication device having switchable operation mode and radio wave intensity checking device
02/21/2002DE10045199A1 Transmission station for transmitting signals in radio system transmits via both antennas in one mode, transmits exclusively via one antenna or the other per connection group in second mode
02/21/2002DE10039187A1 Drahtfreie digitale Datenübertragungsstrecke Wire-free digital data transmission path
02/21/2002DE10038945A1 Overhead information transmission for mobile phones with decentralized control
02/21/2002DE10038765A1 Verfahren zur Übertragung von digital codierten Verkehrsnachrichten A method of transmitting digitally coded traffic news
02/21/2002DE10038668A1 Verfahren zur Datenkommunikation mit Teilnehmerstationen und Funk-Kommunikationsnetz zur Durchführung des Verfahrens A method for data communication with subscriber stations and radio communication network for performing the method
02/21/2002DE10038483A1 Verfahren zur Signalübertragung in einem Funk-Kommunikationssystem A method of signal transmission in a radio communication system
02/21/2002CA2387835A1 Antenna apparatus in mobile communication system
02/21/2002CA2355471A1 Radio communication apparatus
02/21/2002CA2351052A1 Improved method of operating a mobile telecommunications network to provide route optimisation and quality of service
02/21/2002CA2351030A1 Method for improving data transmission between a transmitting unit and a receiving unit
02/21/2002CA2350302A1 Improved method of providing quality of service in a mobile telecommunications network
02/20/2002EP1180908A1 Method for controlling the traffic load in a mobile communications network
02/20/2002EP1180906A2 Mobile communication system and method of matching current location information for a mobile station
02/20/2002EP1180868A1 Receiving apparatus and gain control method
02/20/2002EP1180866A1 Base station apparatus and radio communication method
02/20/2002EP1180858A1 Radio communication apparatus and transmission power control method
02/20/2002EP1180857A2 Radio transmission method and corresponding apparatus
02/20/2002EP1180856A2 Communication system and method and communication terminal
02/20/2002EP1180855A1 Location based adaptive antenna scheme for wireless data applications
02/20/2002EP1180854A1 Power control with smart step size based on channel parameter measurements
02/20/2002EP1180853A1 Method and apparatus for automatic frequency control and demodulator
02/20/2002EP1180694A1 Wireless monitoring of a mobile magnet
02/20/2002EP1180314A1 Method for cell extension in a tdma cellular telephone system
02/20/2002EP1180300A1 Acoustic echo cancellation
02/20/2002EP1180289A1 Iterative tdma radiomobile communication method
02/20/2002EP1180282A1 Method and apparatus for transmitting and receiving multimedia data
02/20/2002EP1180274A1 Method and apparatus for continuous cross-channel interleaving
02/20/2002EP1180270A1 Method and device for carrying out simplex data transmission
02/20/2002EP1180269A1 Frequency hopping method for a mobile radio telephone system
02/20/2002EP1027784B1 Method for digital signing of a message
02/20/2002EP0981913B1 Satellite apparatus with omnidirectional and manually steerable directional antenna
02/20/2002EP0806121B1 Method and apparatus for providing redundant radio coverage within a cellular communication system
02/20/2002EP0699334B1 Method and apparatus for group encoding signals
02/20/2002CN1337136A Method and apparatus for variable and fixed forward link rate control in a mobile radio communication system
02/20/2002CN1337128A Method and system for restoring a subscriber contex
02/20/2002CN1337125A Method for implementing multipoint codes in an exchange
02/20/2002CN1337113A Diversity receiver free from decoding error and clock generation circuit for diversity receiver
02/20/2002CN1337106A Method and system for alternating transmission of CODEC mode information
02/20/2002CN1337102A Communication terminal device, station device and transmit power control method
02/20/2002CN1337101A Base station device and radio receiving method
02/20/2002CN1337100A Control of transmission power in a radio system
02/20/2002CN1337098A Pilot filtering in the presence of phase discontinuties in a CDMA receiver
02/20/2002CN1337076A Adaptive array apparatus for correcting phase for forming directional pattern, and correction method
02/20/2002CN1337035A Remote control of an electronic device through downloading of control information in a mobile station
02/20/2002CN1336776A Radio device able to real time changing direction of an antenna, and Dopple frequency estimation circuit used for said device
02/20/2002CN1336775A Ring shaped array antenna and method for using same
02/20/2002CN1336773A Data transmission system suitable for such a system device and data transmission method
02/20/2002CN1336772A Radio network design, regulation or operation method and device
02/20/2002CN1336771A Communication system utilizing automatic request-repeat
02/20/2002CN1336753A System and method for radio multiple channel data communication and image data transmission system
02/20/2002CN1079617C Asymmetric high speed data transmission method in mobile communications network
02/20/2002CN1079616C Multi-information time-piece system with personal article safeguard
02/20/2002CN1079614C Spread spectrum communication system
02/20/2002CN1079612C Efficient parallel-stage power amplifier
02/19/2002US6349324 Communication system for allowing the communication to be switched to a television telephone during a telephone conversation
02/19/2002US6349222 Voice activated mobile telephone call answerer
02/19/2002US6349218 Adaptive array antenna system and mobile telecommunications system using the same
02/19/2002US6349217 Multi-mode/multi-rate fixed wireless communication system
02/19/2002US6349215 Synchronization of broadcast facilities via microwave tone
02/19/2002US6349214 Synchronization of broadcast facilities via satellite
02/19/2002US6349202 Method of storing and transmitting markup language documents in a mobile radio communications system
02/19/2002US6349197 Method and radio communication system for transmitting speech information using a broadband or a narrowband speech coding method depending on transmission possibilities
02/19/2002US6349196 Communications system, mobile device and method
02/19/2002US6349195 Supplemental satellite communication enhancement techniques
02/19/2002US6349119 Transmission line presuming circuit and modem using the same
02/19/2002US6349094 Method and apparatus for wireless communications employing control for broadcast transmission
02/19/2002US6348801 Fault isolation of an antenna path for a radio telephone
02/19/2002CA2243004C Mobile communication system
02/19/2002CA2240022C Mobile communications from computer aided dispatch system via a customer premises gateway for satellite communication system
02/19/2002CA2149295C Synchronizing signal detection apparatus
02/15/2002CA2351054A1 Method and apparatus for performing a voice dispatch call in a digital communication system
02/14/2002WO2002013570A1 Communication terminal, base station device, and radio communication method
02/14/2002WO2002013556A2 Mobile micro portal
02/14/2002WO2002013548A2 Cell search method and apparatus in atdma-cdma communication system
02/14/2002WO2002013493A1 Dynamically reconfigurable universal transmitter system
02/14/2002WO2002013457A2 Method, network and control station for the two-way alternate control of radio systems of different standards in the same frequency band
02/14/2002WO2002013421A2 Base station oscillator regulation independent of transport network clocks in cellular telecommunications network
02/14/2002WO2002013420A1 Packet transmission method for mobile internet
02/14/2002WO2002013419A1 Method and device for synchronising mobile terminals on a radio channel in direct mode
02/14/2002WO2002013418A1 Flexible tdma system architecture
02/14/2002WO2002013416A1 Method and base station for data transmission from and to user stations using a common timeslot
02/14/2002WO2002013415A2 Wireless network
02/14/2002WO2002013411A2 Method and apparatus for base station and mobile station time calibration
02/14/2002WO2002013410A2 System and method for transmitting control information between cascaded devices
02/14/2002WO2002013409A2 Method for data transmission in a radio communication system
02/14/2002WO2002013408A2 Method for conducting data communications with subscriber stations, and radio communications network for implementing said method
02/14/2002WO2002013407A2 Method for transmitting signals in a radio communications system
02/14/2002WO2002013349A1 Protection for power grid having an infrared data transmission link using the wap protocol
02/14/2002WO2002013161A1 Method for transmitting digitally encoded traffic messages
02/14/2002WO2001058191A3 Interface between modem and subscriber interface module (sim)
02/14/2002WO2001058041A3 Support of multiuser detection in the downlink
02/14/2002WO2001058040A3 Device for carrying out search procedures in a mobile radio receiver
02/14/2002WO2001047140A3 Method and device for synchronising a mobile radio receiver with a frame structure of a radio signal
02/14/2002WO2001031809A3 Downlink power control and adaptive beamforming for half-rate radiocommunication systems
02/14/2002US20020019984 Headend cherrypicker with digital video recording capability
02/14/2002US20020019871 Network system, communication device, and communication routing method
02/14/2002US20020019249 Portable telephone
02/14/2002US20020019245 Power control method and system in mobile communication networks