Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
09/2002
09/25/2002EP1244227A1 Automatic method for power control and phy mode switching control in adaptive phy mode systems
09/25/2002EP1244224A2 Method and apparatus for enhanced demodulation in a CDMA receiving system utilizing array antenna
09/25/2002EP1244222A1 Self-interference cancellation for relayed communication networks
09/25/2002EP1244085A2 Information assisting system and apparatus
09/25/2002EP1244049A1 Wireless communication system between a plurality of transceivers and transponders
09/25/2002EP1243154A1 Measures against rayleigh fading on a radio channel in a cellular system
09/25/2002EP1243150A2 Method and system for changing the direction of transmission of the base stations in a communication network
09/25/2002EP1243147A1 Base station with a first and a second base unit
09/25/2002EP1243105A2 Signal routing
09/25/2002EP1243088A1 Method, apparatus and system for providing encryption keys in a satellite communications network
09/25/2002EP1243086A1 Data transmission from transmitter to receiver in radio system
09/25/2002EP1243079A2 Method for transmitting data signals between a master station and a plurality of slave stations, master station and slave station
09/25/2002EP1243077A1 Maintaining performance quality of broadband system in the presence of narrow band interference
09/25/2002EP1242986A1 Method and device for controlling the operation of electronic devices in an aircraft
09/25/2002EP1242985A1 Security tag detection and localization system
09/25/2002EP1242916A1 Video player with code sensor
09/25/2002EP1242896A1 Virtual device architecture for mobile telephones
09/25/2002EP1242864A1 Printer with vacation mode
09/25/2002EP1197098A4 Method and apparatus for fast handoff in a communication system
09/25/2002EP1096692B1 Internal temperature regulation of subscriber terminal
09/25/2002EP0995279B1 Rebroadcasting communication system
09/25/2002EP0986282B1 Radio communication device and method of controlling transmission rate
09/25/2002EP0968608B1 Receiver/decoder and method of reception
09/25/2002EP0960488B1 Mobile satellite phone system incorporating symmetrical and non-symmetrical waveform modes
09/25/2002EP0872037B1 Base station equipment, and a method for steering an antenna beam
09/25/2002EP0775388B1 Power consumption control method and apparatus for a communication system subscriber unit
09/25/2002EP0720807B1 Method for measuring the noise level of a base station environment
09/25/2002CN2513296Y Two-way radio communication device special for middle and primary schools
09/25/2002CN1371587A Subscriber station and method for carrying out inter-frequency measurements in mobile communication system
09/25/2002CN1371586A Subscriber station, network control means and method for triggering inter-frequency measurements in mobile communication system
09/25/2002CN1371585A Subscriber station, network control means and method for carrying out inter-frequency measurements in a mobile communication system
09/25/2002CN1371579A Event based reporting of mobile station measurements
09/25/2002CN1371562A Method and apparatus for detecting zero rate frames in communications system
09/25/2002CN1371559A Synchronization deviation detection
09/25/2002CN1371558A Radio device
09/25/2002CN1371557A Power control based on combined transmission quality estimates
09/25/2002CN1371556A Method and arrangement for power amplificaion in a basestation
09/25/2002CN1371554A Method and device for improving the capacity of GSM base station
09/25/2002CN1371551A Rake combining methods and apparatus using weighting factors derived from knowledge of spread spectrum signal characteristics
09/25/2002CN1371547A Adaptive RF amplifier prelimiter
09/25/2002CN1371230A 移动台和通信系统 The mobile station and communication systems
09/25/2002CN1371225A Base station emission controlling method, cellular system and base station
09/25/2002CN1371223A Power control device and method for wideband multiple-carrier base station in digital mobile communication system
09/25/2002CN1371222A Multiple-carrier power control device and method for wideband digital mobile communication system base station
09/25/2002CN1371220A Emitted-power controlling method, base station, mobile station and mobile communication system
09/25/2002CN1371214A Receiver with automatic gain control
09/25/2002CN1371212A News transferring system
09/25/2002CN1371199A Signal transmission method in radio network
09/25/2002CN1371185A Information transmission system and method, information sender and receiver, spatial light transmission system, method and devices
09/25/2002CN1371183A Channel structure for data transmission
09/25/2002CN1371182A Circuit unit for mobile radio system with base station and antenna unit
09/25/2002CN1371180A Moving station capable of controlling frequency automatically
09/25/2002CN1371178A Power variable emitting and receiving equipment
09/25/2002CN1371059A Data releasing system
09/25/2002CN1091564C Pilot signal searching and identifying method and apparatus for base station in cellular communication system
09/25/2002CN1091563C Apparatus and method for adding and removing base station from cellular communications system
09/25/2002CN1091561C Method for fault diagnosis of RF receive path in CDMA digital cellular base station system
09/25/2002CN1091557C Radio communication equipment using algorithm diversity
09/25/2002CN1091556C Pipeline cell site base station receiver for spread spectrum signals
09/24/2002US6456958 Method for allowing a user access to an electronic device having improved security
09/24/2002US6456930 Method of and device for requesting guide information, method of and device for supplying guide information, and computer product
09/24/2002US6456856 Mobile radio equipment forming antenna pattern to project user from radiation
09/24/2002US6456855 Method and apparatus for establishing a group call session in a communication system
09/24/2002US6456853 Method of establishing a radio link between network subscribers and utilizing assigned position identifications
09/24/2002US6456851 Wireless communications architecture
09/24/2002US6456850 Method for preventing overload conditions in communication systems
09/24/2002US6456846 Non-uniform multi-beam satellite communications method
09/24/2002US6456835 Arbitration method for high power transmissions in a code division multiple access system
09/24/2002US6456830 Diversity wireless communication method and its wireless communication apparatus
09/24/2002US6456828 Base station using global channel power control
09/24/2002US6456827 Apparatus and method for controlling communications based on moving speed
09/24/2002US6456826 User equipment and procedure for handling possible out-of-synchronization condition in UMTS terrestrial radio access network for time division duplexing mode
09/24/2002US6456824 Satellite communication system using RF power sharing for multiple feeds or beams in downlinks
09/24/2002US6456675 Diversity reception employing periodic testing
09/24/2002US6456672 Automatic frequency control communication system
09/24/2002US6456669 Data communication method, transmitter, and cellular radio communication system
09/24/2002US6456652 Method for optimizing forward link coverage in code division multiple access (CDMA) network
09/24/2002US6456645 Digital wireless audio transmission system
09/24/2002US6456627 Method for communicating information in a communication system that supports multiple modulation schemes
09/24/2002US6456614 Method and system for wireless communication incorporating distinct system identifier bytes to preserve multi-frame synchronizaton for systems with limited control channel bandwidth
09/24/2002US6456613 Direct communication method between slave units and PHS terminal for direct communication between PHS slave units
09/24/2002US6456611 CDMA modem using common block architecture
09/24/2002US6456610 TDM/TDMA wireless telecommunication system with electronic scanning antenna
09/24/2002US6456609 Code division multiple access mobile communication system
09/24/2002US6456608 Adaptive vector correlator using weighting signals for spread-spectrum communications
09/24/2002US6456605 Method and a system for optimal utilization of the data communication capacity in a cellular radio system
09/24/2002US6456604 Data communication method in mobile communication system
09/24/2002US6456602 Method and apparatus for achieving frequency diversity by use of multiple images
09/24/2002US6456598 Method of adapting the air interface in a mobile radio system and corresponding base transceiver station, mobile station and transmission mode
09/24/2002US6456257 System and method for switching between different antenna patterns to satisfy antenna gain requirements over a desired coverage angle
09/24/2002US6456245 Card-based diversity antenna structure for wireless communications
09/24/2002US6456242 Conformal box antenna
09/24/2002US6456233 Methods and apparatuses of positioning a mobile user in a system of satellite differential navigation
09/24/2002CA2266165C A wireless telecommunications system that mitigates the effect of multipath fading
09/24/2002CA2261309C Base stations control system in mobile communication system
09/24/2002CA2150932C Demodulation element assignment in a system capable of receiving multiple signals
09/24/2002CA2116242C Combined relative and absolute positioning method and apparatus
09/19/2002WO2002073993A1 A network and method for sharing radio acess nodes between core networks
09/19/2002WO2002073910A1 Method and apparatus for providing multiple quality of service levels in a wireless packet data services connection
09/19/2002WO2002073870A2 Method of symbol timing synchronization in communication systems