Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/1999
02/25/1999WO1999009669A1 Method and device for producing a carrier frequency sequence
02/25/1999WO1999009668A1 Method and device for producing a random number sequence for carrier frequencies in a mobile radiotelephone system
02/25/1999WO1999009666A1 Method for processing data in a communication system receiver
02/25/1999WO1999009664A1 Modular transceiver system and identification of modules therein
02/25/1999WO1999009660A1 Cellular system having improved forward link management
02/25/1999WO1999009610A1 Antenna unit and signal switching circuit
02/25/1999WO1998053559A3 Power control in mobile communications system
02/25/1999WO1998044750A3 Method and device for data transmission
02/25/1999CA2300073A1 Method in a mobile radio system
02/25/1999CA2300068A1 Method and device for generating a carrier frequency
02/25/1999CA2300064A1 Method and device for generating a random number sequence for carrier frequencies of a mobile radio transmission
02/25/1999CA2300061A1 Method and arrangement for synchronizing the carrier frequencies of a mobile unit with the carrier frequencies of a fixed station
02/25/1999CA2296489A1 Cellular system having improved forward link management
02/24/1999EP0898438A2 Method and system for controlling radio communications network and radio network controller
02/24/1999EP0898400A2 Communication method, transmission and reception apparatuses, and cellular radio communication system
02/24/1999EP0898394A2 Method and device for synchronisation of two clock signals and a signal processor
02/24/1999EP0898393A2 Pseudo-orthogonal code generating method and device
02/24/1999EP0898385A2 Communication environment with a plurality of radio systems
02/24/1999EP0898384A2 Synchronisation method for DECT sending and receiving device
02/24/1999EP0898382A2 Switching and power control method and apparatus for wireless telecommunications
02/24/1999EP0898381A2 Equalizing method and equalizer for ofdm receiver
02/24/1999EP0898378A2 Wireless information communication method and device
02/24/1999EP0897649A2 Apparatus and method for transmitting and receiving a signaling message in a communication system
02/24/1999EP0897645A1 Call forwarding function for a portable radio communications device
02/24/1999EP0897644A2 Method and apparatus for forward link rate scheduling
02/24/1999EP0897623A1 Satellite communication system for local-area coverage
02/24/1999EP0897602A2 Multi-band concentric helical antenna
02/24/1999EP0858695A4 Apparatus and method for digital data transmission
02/24/1999EP0803166A4 Portable cellular telephone using spread spectrum communication with mobile transceiver
02/24/1999EP0786144A4 Multi-beam satellite-based messaging system
02/24/1999EP0715793A4 Method and apparatus for a nation-wide cellular telephone network
02/24/1999EP0557297B1 Method and apparatus for modulating and detecting a subcarrier signal for an inductively coupled transponder
02/24/1999CN1209254A Telecommunications system and method of providing service to terminals in such system
02/24/1999CN1209237A High-penetration transmission method for a radiocommunication system
02/24/1999CN1209235A High power short message service using TDMA frames
02/24/1999CN1209234A Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
02/24/1999CN1209233A Satellite deversity scheme
02/24/1999CN1209232A Method and apparatus for intersymbol interference reduction using array processing of diversity signals
02/24/1999CN1209231A Method for reducing undesirable RF interference generated between bursts in a TDMA system
02/24/1999CN1209211A Method and apparatus system for data transfer
02/24/1999CN1209032A Portable telephone device
02/24/1999CN1209007A Equalizing method for OFDM receiver and equalizer
02/24/1999CN1209001A Equalizing method and equalizer for OFDM receiver
02/23/1999US5875402 Time-synchronous communication system
02/23/1999US5875398 Method and apparatus for testing cellular services in a first location from a second location remote from the first location
02/23/1999US5875216 For a wireless receiver
02/23/1999US5875209 Digital radio system including repeater equipment, end equipment and receiver
02/23/1999US5875183 Mobile communication system
02/23/1999US5875182 Enhanced access burst for random access channels in TDMA mobile satellite system
02/23/1999US5875181 For signal processing for efficient multi-user satellite based communications
02/23/1999US5875180 Satellite telephone interference avoidance system
02/23/1999US5875179 Method and apparatus for synchronized communication over wireless backbone architecture
02/23/1999US5874923 Feeder horn, intended particularly for two-way satellite communications equipment
02/23/1999US5874913 Method and apparatus to compensate for Doppler frequency shifts in a satellite communication system
02/23/1999CA2169961C Interference suppression in cdma systems
02/18/1999WO1999008465A1 A method and an arrangement supporting propagation delay compensation
02/18/1999WO1999008461A1 Method for disseminating service information, system and central service information station
02/18/1999WO1999008460A2 Communications apparatus and methods for adaptive signal processing based on mobility characteristics
02/18/1999WO1999008457A2 Point-to-multipoint mobile radio transmission
02/18/1999WO1999008451A2 Synchronous wireless access protocol method and apparatus
02/18/1999WO1999008429A1 A distributed system and method for prefetching objects
02/18/1999WO1999008426A1 Non-coherent six-port receiver
02/18/1999WO1999008421A2 Wireless network
02/18/1999WO1999008407A2 Device for transmitting data to mobile radio telephone networks
02/18/1999WO1999008402A1 Wireless communication system including a plurality of selectable antennas and wireless communications method
02/18/1999WO1999008400A2 Phase-compensating polarization diversity receiver
02/18/1999WO1999008399A2 A method of and apparatus for controlling transmission signal power of communication signals in a communication system
02/18/1999WO1999008398A2 Method and apparatus for adaptive closed loop power control using open loop measurements
02/18/1999WO1999008397A2 Method and apparatus for predictive power control with loop delay
02/18/1999WO1999008391A2 Method, mobile station and telecommunication system for generating an adaptation to a process for accessing a radio interface supported by a mobile radiotelephone network
02/18/1999WO1998040972A3 Code division multiple access communication system
02/18/1999EP0903016A3 Code division multiple access communication system
02/18/1999DE19735836A1 Verfahren zur Verbreitung von Service-Informationen, ein System und eine Service-Informationszentrale Process for the dissemination of information service, system, and a service Information Center
02/18/1999DE19734933C1 Verfahren, Mobilstation und Kommunikationssystem zum Anpassen an ein von einem Mobilfunknetz unterstütztes Luftschnittstellenzugangsverfahren The method, mobile station and communication system for adapting to a network supported by a mobile radio air interface access method
02/18/1999DE19733336A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission
02/18/1999DE19733120A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission
02/18/1999CA2298712A1 A distributed system and method for prefetching objects
02/17/1999EP0897251A2 CDMA type mobile radio communication system capable of realizing an effective system operation with neither an excess nor a deficiency of simultaneously connected radio base stations
02/17/1999EP0897237A2 TDMA communication device and method
02/17/1999EP0897225A2 Mobile station and method for transmission power control and interference reduction in mobile communication systems
02/17/1999EP0897199A1 Active repeater for transmission system
02/17/1999EP0896765A1 System and method for reducing am-interference generated by a cdma communications device
02/17/1999CN1208540A Communication system with a beamformed control channel and method of system control
02/17/1999CN1208524A Radio communication equipment using algorithm diversity
02/17/1999CN1208522A A mobile-link system for a radio communication system with diversity reception of selected uplink signals
02/17/1999CN1208521A Method and apparatus for providing antenna diversity in a portable radiotelephone
02/17/1999CN1208520A Receiving method, and receiver
02/17/1999CN1208519A Apparatus and method for controlling the actual transmission power of a base station in a cellular communications system
02/17/1999CN1208516A Shared wave removing device
02/17/1999CN1208504A Antenna assembly and associated method for radio communication device
02/17/1999CN1208469A Method for displaying a 'low battery' state in electrical equipment with electrical energy stores and electrical equipment with electrical energy stores with means for displaying a 'low battery' state
02/17/1999CN1208315A Base station transmitter-receiver
02/16/1999US5873044 Method and apparatus in a radio communication system for synchronizing transmissions while maintaining full user traffic
02/16/1999US5873038 System and method for distributing channel port loading functionality
02/16/1999US5873037 Multiple mode personal wireless communication system
02/16/1999US5873028 Transmission power control apparatus and method in a mobile communication system
02/16/1999US5873027 Mobile radio system with control over radio wave output if a malfunction is detected
02/16/1999US5873026 Battery powered voice transmitter and receiver tuned to an RF frequency by the receiver
02/16/1999US5873025 Modulated backscatter wireless communication system having an extended range
02/16/1999US5872820 Synchronization in TDMA systems in a non-realtime fashion