Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
12/1998
12/23/1998WO1998058462A2 Balanced diversity
12/23/1998WO1998058461A1 Multiple code channel power control in a radio communication system
12/23/1998WO1998058455A1 Transceiver stage for a mobile telecommunications unit
12/23/1998WO1998043106A3 Method for evaluating direction
12/23/1998WO1998041030A3 Apparatus and method for conveying information in a communicationsystem
12/23/1998WO1998038818A3 Method and base station system for calling mobile stations for the transmission of packet data
12/23/1998EP0886452A1 Method for time information delivery by a satellite station being part of a transmission system
12/23/1998EP0886420A2 Radio communication apparatus connected to a digital subscriber line for interfacing voice or data communication terminals
12/23/1998EP0886393A2 TDMA voice information reading apparatus
12/23/1998EP0886392A2 Coordinatable system of inclined geosynchronous satellite orbits
12/23/1998EP0886391A2 Wireless diversity device for high power transmission radio signal
12/23/1998EP0886389A2 Transmission power control for variable bit rate CDMA mobile telephone system
12/23/1998EP0886388A2 Transmitter, receiver and power control in a data transmission system
12/23/1998EP0886387A2 System and method for transmission and noise power control in wireless communications
12/23/1998EP0886385A2 Reception apparatus for CDMA communication system
12/23/1998EP0885510A1 Method and apparatus for routing a digitized rf signal to a plurality of paths
12/23/1998EP0885494A1 Process and design for improving the utilization rate of telecommunications channels in locally concentrated, asynchronous wireless telecommunications systems
12/23/1998EP0885493A1 A random access scheme for mobile satellite communications
12/23/1998EP0885492A1 An improved gps receiver utilizing a communication link
12/23/1998EP0885491A1 A method and device for monitoring a mobile telephone repeater
12/23/1998EP0767995A4 Method and apparatus for signal acquisition and channel estimation using multiple antennas
12/23/1998EP0721715A4 Multiple antenna home base for digital cordless telephones
12/23/1998EP0664008B1 Method and apparatus for tracking the position and velocity of airborne instrumentation
12/23/1998CN1203005A Remote vocoding over a long distance link
12/23/1998CN1203004A Method and apparatus for providing an improved caller interface in a fixed cellular communications system
12/23/1998CN1202995A Diversity device improved inability to reproduce carrier in synchronous detection
12/23/1998CN1202986A Very small aperture terminal and antenna for use therein
12/23/1998CN1202968A Position determining system
12/23/1998CN1202787A Flip cover in flip type of portable telephone apparatus
12/23/1998CN1202744A Radio transmitting apparatus and gain control method for the same
12/23/1998CN1041375C Frequency independent information transmission system
12/23/1998CA2294835A1 Method, mobile station and base station for frequency synchronization for a mobile station in a radio communications system
12/23/1998CA2294396A1 Multiple code channel power control in a radio communication system
12/22/1998US5852782 For a cellular type mobile communication network
12/22/1998US5852779 System and method for having a single gateway set-up and maintain local signalling connections
12/22/1998US5852778 Method and system for providing communications service to a coverage hole
12/22/1998US5852770 Transmission power control device for a portable terminal
12/22/1998US5852721 Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface
12/22/1998US5852641 Method for carrier-frequency synchronization
12/22/1998US5852629 Repeater
12/22/1998US5852604 Modularly clustered radiotelephone system
12/22/1998US5852412 Differential ground station repeater
12/22/1998CA2119625C Equalization technique for compensating for degradation to the transmission of digitally modulated signals
12/22/1998CA2087520C System and method for calculating channel gain and noise variance of a communication channel
12/17/1998WO1998057505A1 Allocating channels for a wireless link between a central terminal and a subscriber terminal of a wireless telecommunications system
12/17/1998WO1998057469A1 Receiver for independent sideband signals
12/17/1998WO1998057467A1 Method and apparatus for band-adaptive demodulation
12/17/1998WO1998057452A1 Method and apparatus for canceling signals in a spread-spectrum communication system
12/17/1998WO1998057450A1 Methods and arrangements in a radio communications system
12/17/1998WO1998057448A1 Dect system synchronization by base station drift
12/17/1998WO1998057447A1 Multi-tier satellite system and method of operation
12/17/1998WO1998057446A1 Multi-tier satellite system and method of operation
12/17/1998WO1998057445A1 Method for acquisition of spotbeam beacon frequency within a satellite communications system
12/17/1998WO1998057444A1 Dual-mode satellite/cellular phone architecture with physically separable modes
12/17/1998WO1998057443A1 Distributed virtual network satellite telecommunication system and method
12/17/1998WO1998057441A2 Method and receiver for transmitting data
12/17/1998WO1998057437A1 Frame waveform mutual correction data signal demodulation method
12/17/1998WO1998057421A1 Power level sense circuit
12/17/1998WO1998049784A3 Method and apparatus for limiting a transmitting power of a mobile station
12/17/1998WO1998035525A3 A method of and apparatus for controlling handoff in a communication system
12/17/1998DE19724027A1 Verfahren und Anordnung zum Empfang von Daten Method and apparatus for receiving data
12/17/1998CA2293680A1 Method for acquisition of spotbeam beacon frequency within a satellite communications system
12/17/1998CA2293323A1 Synchronization of dect systems by base station drift
12/16/1998EP0884921A1 Transmission of pilot information channel of each operator in a radio communications system with mobile stations
12/16/1998EP0884920A1 Method of transmitting logical broadcast control channels by a base station of adigital cellular communication system
12/16/1998EP0884917A1 Method for permitting a encrypted direct communication between two terminals of a radio mobile network and corresponding circuit arrangements for the station and terminal
12/16/1998EP0884915A2 Radio PBX for personal communications system
12/16/1998EP0884887A2 Paging device
12/16/1998EP0884864A1 Method for assigning transmission channels to a mobile station, in particular in half-duplex mode, in mobile telecommunications network in packet mode
12/16/1998EP0884863A2 Distributed antenna for personal communication system
12/16/1998EP0884862A1 Radiocommunication device of transmission diversity system
12/16/1998EP0884861A2 Spread spectrum receiver and transmission power control method
12/16/1998EP0884860A2 Channel allocation method for a satellite communication system
12/16/1998EP0884858A2 Mobile communication system using frequency hopping
12/16/1998EP0884857A2 Interference canceller for a direct sequence CDMA receiver in a mobile radio communication system
12/16/1998EP0884856A2 Spread spectrum communication system
12/16/1998EP0883967A2 Remote test of a wireless subscriber connection
12/16/1998EP0883949A1 Channel estimation arrangement
12/16/1998EP0883941A1 Multiple access communications system and method using code and time division
12/16/1998EP0883940A1 Subtractive multicarrier cdma access methods and systems
12/16/1998EP0883936A1 A rapid-acquisition access channel scheme for cdma systems
12/16/1998EP0883934A1 Dual-mode radio receiver for receiving narrowband and wide band signals
12/16/1998EP0883933A1 Validation of subscriber signals in a cellular radio network
12/16/1998EP0782795B1 Transmission timing control in digital radio telephony
12/16/1998EP0598889B1 Voice/data radio communication system
12/16/1998CN1202292A Method and system for transferning data between mobile and stationary group of persons
12/16/1998CN1202290A Asynchronous data transmission method and arrangement
12/16/1998CN1202286A Data transmission method
12/16/1998CN1202284A Distributed circuit switched radio communications network
12/16/1998CN1202077A Motif widget batch generating method and device
12/16/1998CN1202062A Method of allocating transmission channels to mobile station, in particular in half-duplex mode, in mobile packet-mode telecommunications network
12/16/1998CN1202060A Method for enabling direct encrypted communication between two terminals of mobile radio network, and corresponding station and terminal facilities
12/16/1998CN1202053A Rapid and precise geolocation of cellular telephones through use of GPS satellite system
12/16/1998CN1202050A Spread spectrum communication method and system
12/16/1998CN1202047A Adaptive array antenna receiving apparatus
12/16/1998CN1202046A Mobile communication transmitter capable of selectively activating amplifiers
12/15/1998US5850607 Method and apparatus for providing control handoff in a cellular telecommunications system
12/15/1998US5850602 Communication protocol for mobile earth terminal communication device used in mobile satellite communication system
12/15/1998US5850593 Mobile communication for a mobile station near or outside a service area of a base station
12/15/1998US5850393 Transmitter receiver for mobile communication system