Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
11/1999
11/23/1999US5991273 Determining SINR in a communications system
11/23/1999US5990832 Antenna array for base station for radiocommunication with mobiles
11/23/1999US5990826 Interbuilding and urban canyon extension solution for global positioning systems
11/23/1999US5990825 Positioning system and fixed station and positioning apparatus for employing the same
11/23/1999CA2183116C Method and apparatus for providing time diversity
11/23/1999CA2156758C Multi-user communication system employing spread signatures
11/23/1999CA2110205C Mobile receiver for satellite broadcast
11/18/1999WO1999059367A1 Soft hand-off in cellular mobile communications networks
11/18/1999WO1999059366A1 Reducing interference in cellular mobile communications networks
11/18/1999WO1999059363A1 Method and apparatus for incorporating environmental information for mobile communications
11/18/1999WO1999059359A1 Dual mode cellular/satellite radiotelephone
11/18/1999WO1999059351A2 Method and device for channel estimation
11/18/1999WO1999059284A2 Message transmission in a radio-based system for security or access control and method therefor
11/18/1999WO1999059283A2 Integrated advertising for wireless communication devices with rich content and direct user response mechanism
11/18/1999WO1999059269A1 Method and system for multiplexing of multiple users for enhanced capacity radiocommunications
11/18/1999WO1999059268A1 Communication method and communication device
11/18/1999WO1999059267A1 Method and base station system for assigning channels in a radio communications system
11/18/1999WO1999059265A1 Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power
11/18/1999WO1999059264A2 Method of monitoring operation of cellular radio system
11/18/1999WO1999059263A1 Time-switched transmission diversity (tstd) device and controlling method thereof in mobile communication system
11/18/1999WO1999059262A1 Method for operating a wireless telecommunication device especially indoors
11/18/1999WO1999059255A2 Handoff method in a mobile communication system supporting transmission diversity
11/18/1999WO1999059254A2 Device and method for a mobile station for receiving signals transmitted from a base station
11/18/1999WO1999059253A2 System and method for determining a handoff target base station in a mobile communication system
11/18/1999WO1999059052A1 Method and apparatus for synchronisation of nodes
11/18/1999WO1999049684A3 Method and device for allocating channels in a cdma radiocommunications system
11/18/1999WO1999041934A9 Method and system for performing a handoff in a wireless communication system, such as a hard handoff
11/18/1999DE19821519A1 Indoor operation method for wireless telecommunication unit
11/18/1999CA2331963A1 Method and apparatus for synchronisation of nodes
11/18/1999CA2331858A1 Time-switched transmission diversity (tstd) device and controlling method thereof in mobile communication system
11/17/1999EP0957607A1 Apparatus and method for transmitting data to synchronized relay stations
11/17/1999EP0957604A1 Transmitter and transmitting method increasing the flexibility of code assignment
11/17/1999EP0957601A1 Satellite communication system for audiovisual programmes and multimedia data broadcast
11/17/1999EP0957594A2 Code division multiple access mobile communication system.
11/17/1999EP0957593A2 Mobile communication system and method of controlling transmitted power from base station in mobile communication system
11/17/1999EP0957592A2 Time alignment of uplink CDMA signals
11/17/1999EP0957587A2 Method and apparatus to reduce transmitter overload in a transmit scanning receiver
11/17/1999EP0956732A2 Method and apparatus for performing soft hand-off in a wireless communication system
11/17/1999EP0956731A1 Method and apparatus for managing remote unit increased power transmission during location
11/17/1999EP0956727A2 A transmission method and a cellular radio system
11/17/1999EP0956726A2 A method for selecting a signal, and a cellular radio system
11/17/1999EP0956722A2 Cellular communication system with multiple same frequency broadcasts in a cell
11/17/1999EP0956721A1 A wireless terminal
11/17/1999EP0956716A1 Channel assignment and call admission control for spatial division multiple access communication systems
11/17/1999EP0956681A2 System and method for broadband millimeter wave data communication
11/17/1999EP0956674A1 Apparatus for protecting against radiowave transmission from a mobile communication device
11/17/1999EP0956672A2 High-data-rate supplemental channel for cdma telecommunications system
11/17/1999EP0956671A1 Satellite direct radio broadcast system
11/17/1999EP0956662A1 Sdma packet radio system and channel establishment method
11/17/1999EP0956661A1 Pilot based transmit power control
11/17/1999EP0956660A1 Method to train a radio receiver
11/17/1999EP0956659A2 A cellular radio system and a method for measuring the interference level
11/17/1999EP0956655A1 Method of reducing interference, and radio system
11/17/1999EP0956654A1 Radio system and methods for duplex operation
11/17/1999EP0956616A2 Method of improving quality of radio connection
11/17/1999EP0956612A1 Antenna beam patterns having wide nulls
11/17/1999EP0956610A1 Directional-beam generative apparatus and associated method
11/17/1999EP0956609A1 A communication system, a primary radio station, a secondary radio station, and a communication method
11/17/1999EP0489838B1 Battery saver for a tdm system
11/17/1999CN1235745A Radio communication systems and methods for jittered beacon transmission
11/17/1999CN1235742A Method of controlling autonomous device, e. g. repeater, and autonomous device
11/17/1999CN1235741A Method of combining several signals, and base station
11/17/1999CN1235739A Variable burst remote access application messaging method and apparatus
11/17/1999CN1235727A Method and apparatus for handing of multimedia messages in telecommunication system
11/17/1999CN1235720A Combined substractive interference cancellation and space diversity signal processing in cellular CDMA communication system
11/17/1999CN1235719A Method and apparatus for improving link margin in wireless communications
11/17/1999CN1235718A Method and device for performing distributed forward power control
11/17/1999CN1235701A Belt clip holder with auxiliary battery
11/17/1999CN1235502A Method and apparatus for inter-frequency hand-off in wireless communication systems
11/17/1999CN1235501A Mobile communication system by code division multiple access
11/17/1999CN1235499A Portable communication terminal
11/17/1999CN1235498A Radio communication apparatus and radio communication method
11/17/1999CN1235497A Mobile communication system and method of controlling transmitted power from base station in mobile communication system
11/17/1999CN1235496A Method and system for controlling transmission power of certain parts of radio transmission
11/17/1999CN1235492A Method and system for optimizing for ward power control in CDMA system
11/17/1999CN1235470A Mobile radio telephone capable of recording/reproducing voice signal and method for controlling the same
11/17/1999CN1235456A Digital communication system
11/17/1999CN1235443A Mobile communication system, mobile communication apparatus, and mobile communication method
11/17/1999CN1235442A Spectrum spreading communication system using single spreading code
11/17/1999CN1235441A Frame offset setting arrangement and frame offset setting method
11/17/1999CN1235390A Directivity control circuitry for adaptive antenna
11/17/1999CN1235389A Adaptive antenna
11/17/1999CN1235388A Diversity antenna system
11/17/1999CN1046614C Mobile communication system and method for connecting remote workstation to data communication network via mobile communication network
11/17/1999CN1046597C Planar antenna with helical antenna array and waveguide
11/17/1999CA2272185A1 System and method for medium access control in a wireless data communication system
11/16/1999US5987519 Telemedicine system using voice video and data encapsulation and de-encapsulation for communicating medical information between central monitoring stations and remote patient monitoring stations
11/16/1999US5987339 Receiving portion of radio communication device
11/16/1999US5987334 Multi-modal handy phone
11/16/1999US5987333 Communications power control
11/16/1999US5987326 Transmit power reduction for a high speed CDMA link in soft handoff
11/16/1999US5987321 Radio data communication system using a plurality of radio communication systems
11/16/1999US5987319 Call-setup method in a digital cellular radio communication system
11/16/1999US5987307 Power control in wireless radio tranceivers
11/16/1999US5987305 System and method for automatically setting up a radio link for transmitting data between two or more transmitter/receiver stations
11/16/1999US5987304 Repeater with variable bandwidth
11/16/1999US5987233 Comprehensive global information network broadcasting system and implementation thereof
11/16/1999US5987076 Coherent signal processing for CDMA communication system
11/16/1999US5987032 Hierarchical resource hopping method, system, base station, head-end unit, and subscriber unit for variable resource size communication systems
11/16/1999US5987023 Transmission timing control in digital radio telephony