Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
01/1999
01/27/1999CN1206521A Method, transmitter and receiver for transmitting training signals in TDMA transmission system
01/27/1999CN1206520A Method of detecting call set-up burst and receiver
01/27/1999CN1206519A Process and apparatus for power control in telephone system
01/27/1999CN1206515A Efficient parallel-stage power amplifier
01/27/1999CN1206318A Channel allocation method and circuit for testing trunk line in radio communication system
01/27/1999CN1206317A Communication method, base station and terminal apparatus
01/27/1999CN1206316A Device and method for monitoring battery in mobile communication terminal
01/27/1999CN1206311A Idle handoff controlling method in cellular communication system
01/27/1999CN1206309A Position detecting method and recording medium of radio communication system and radio terminal
01/27/1999CN1206307A Selective call receivers for receiving signals in synchronous communication systems
01/27/1999CN1206271A Radio communication apparatus
01/27/1999CN1206263A Method of controlling transmitting power of base station in CDMA mobile communication
01/27/1999CN1206261A Radiotelephone unit
01/27/1999CN1206259A Method of issuing time information signal via satellite station of transmission system
01/27/1999CN1206258A Wireless device for high power transmission radio signal
01/27/1999CN1206257A Command protocol for circuits used for receiving microwave signals and device implementing the protocol
01/27/1999CN1206250A Multifunctional radio communication apparatus for being connected to digital public communication line
01/27/1999CN1041884C Receiver for local calls with low energy consumption
01/26/1999US5864765 Method and arrangement relating to mobile telephone terminals
01/26/1999US5864764 Infrastructure transceiver and method for configuration based on location information
01/26/1999US5864760 In a communication system
01/26/1999US5864758 Method and apparatus for configuring a split modem
01/26/1999US5864755 Method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes
01/26/1999US5864750 Microcomputer-based carrier detection system for a cordless telephone by comparing an output signal which contains signals no higher in frequency with a frequency threshold value
01/26/1999US5864589 Device for making decisions by estimating the viterbi algorithm in a mobile radio system
01/26/1999US5864579 Digital radio satellite and terrestrial ubiquitous broadcasting system using spread spectrum modulation
01/26/1999US5864549 Method for the overlayed operation of two radio communication systems with reduced intersystem interference, and a radio communication system for overlayed use
01/26/1999US5864547 Method and system for controlling uplink power in a high data rate satellite communication system employing on-board demodulation and remodulation
01/26/1999US5864543 Transmit/receive compensation in a time division duplex system
01/26/1999US5864316 Fixed communication terminal having proximity detector method and apparatus for safe wireless communication
01/26/1999US5864300 Communication system for selecting a communication transmission method
01/26/1999US5864298 Pager (ringer) amplification by co-operative emission relay (pacer/racer)
01/26/1999CA2149679C Transmission power control method and apparatus for mobile communications using a cdma (code division multiple access) system
01/26/1999CA2146360C Method and apparatus for tracking the position and velocity of airborne instrumentation
01/26/1999CA2109923C Frequency offset method and apparatus for use in a transceiver
01/26/1999CA2037918C Code distribution multiple access communication system with user voice activated carrier and code synchronization
01/21/1999WO1999003302A1 A wireless system for providing symmetrical, bidirectional broadband telecommunications and multimedia services employing a computer-controlled radio system
01/21/1999WO1999003296A1 Immediate channel assignment in a wireless system
01/21/1999WO1999003288A1 System and method for updating a memory in an electronic device via wireless data transfer
01/21/1999WO1999003269A1 A system for forming and processing program specific information suitable for terrestrial, cable or satellite broadcast
01/21/1999WO1999003268A1 A system for forming and processing program map information suitable for terrestrial, cable or satellite broadcast
01/21/1999WO1999003267A1 A system for forming and processing text data for use in program specific information for broadcast
01/21/1999WO1999003266A1 A system for forming and processing program specific information containing text data for terrestrial, cable or satellite broadcast
01/21/1999WO1999003228A1 Error and flow control method with a group reject arq
01/21/1999WO1999003227A2 Method for eliminating interference in an ofdm radio receiver
01/21/1999WO1999003225A1 Rate detection for variable rate cdma communication system
01/21/1999WO1999003224A1 Channelization code allocation for radio communication systems
01/21/1999WO1999003222A1 Apparatus and method for supporting the use of multiple modulation systems simultaneously on terrestrial distribution networks
01/21/1999WO1999003220A2 Signal quality measurement
01/21/1999WO1999003216A1 Rebroadcasting communication system
01/21/1999WO1999003215A1 System and method for implementing terminal to terminal connections via a geosynchronous earth orbit satellite
01/21/1999WO1999003214A1 Mobile satellite system having an imrproved signaling channel
01/21/1999WO1999003213A1 Spot beam selection in a mobile satellite communication system
01/21/1999WO1999003212A1 Signaling maintenance for discontinuous information communications
01/21/1999WO1998047244A3 Method of determining effect of radio wave multipath fading
01/21/1999WO1998045953A3 Regional communication system
01/21/1999WO1998044662A3 Base station and receiver device for a mobile communications system with tdma subscriber separation
01/21/1999WO1998043459A3 Method for channel evaluation using receive signals transmitted via a radio channel
01/21/1999WO1998043368A3 Method and apparatus for controlling echo on both sides of a connection
01/21/1999DE19730363A1 Ortsspezifische World Wide Web Dienste in digitalen zellularen Kommunikationsnetzwerken Site-specific World Wide Web services in digital cellular communication networks
01/21/1999CA2295813A1 Channelization code allocation for radio communication systems
01/21/1999CA2295673A1 Apparatus and method for supporting the use of multiple modulation systems simultaneously on terrestrial distribution networks
01/21/1999CA2295559A1 Rebroadcasting communication system
01/20/1999EP0892579A1 Procedure for transmitting and receiving ATM cells with variable coding rate and corresponding digital signal
01/20/1999EP0892570A2 Mobile radio communication system and radio circuit controlling method therefor
01/20/1999EP0892509A2 Communication method, transmitter, receiver, and cellular radio communication system
01/20/1999EP0892508A2 Mobile communication system with frequency and time slot sharing in TDMA and CDMA signals for quality improvement
01/20/1999EP0892507A1 Portable terminal equipment
01/20/1999EP0892506A2 Cell departure predicture in mobile satellite telephone system
01/20/1999EP0892505A2 Portable communication apparatus for system with satellites
01/20/1999EP0892504A2 Method of and apparatus for digital radio signal reception
01/20/1999EP0892458A2 Tv antenna apparatus for vehicles
01/20/1999EP0892354A1 Efficient representation and transmission of objects with variants
01/20/1999EP0891678A1 Method for estimating connection quality, diversity combination method, and receiver
01/20/1999EP0891667A2 A digital receiver
01/20/1999EP0891660A1 Synchronization method, and associated circuitry, for synchronizing a receiver with a transmitter
01/20/1999EP0891658A1 Method and apparatus for polarization diversity in a base station using a plurality of reception antennas
01/20/1999EP0891652A1 Method for automatically adjusting audio response for improved intelligibility
01/20/1999EP0891642A1 Antenna assembly for radiotelephonic device
01/20/1999EP0728386B1 System with satellites on equatorial and inclined orbits relaying information through intersatellites link and earth relays
01/20/1999EP0569559B1 Improved gsm interference band selection and reduced power handover
01/20/1999EP0497789B1 Global satellite communication system with geographic protocol conversion
01/20/1999CN1205828A Process for transmitting data in universal transmission sysetm
01/20/1999CN1205814A Digital telephone using control messages transmitted in time slots for RF frequency allocation
01/20/1999CN1205813A Frequency assignment in cellular telecommunications network
01/20/1999CN1205812A Appts. and method for signal transmission and reception using adaptive antenna
01/20/1999CN1205811A Method and appts. for power control in a telephone system
01/20/1999CN1205605A Method for fault diagnosis of RF receive path in CDMA digital cellular base-station system
01/20/1999CN1205604A Method for radio resource control
01/20/1999CN1205583A Method of forward power control using reasure indicator bit
01/20/1999CN1205580A Diversity receiver unit of quadrature frequency allocation multiplex signals
01/19/1999US5862489 Power control method and arrangement for handover in a mobile communication system
01/19/1999US5862484 Wide area paging sevice processing method and apparatus of a radio paging system
01/19/1999US5862480 Method and apparatus for managing service accessibility between differing radio telecommunication networks
01/19/1999US5862479 Space-based communication system and method with continuous channel reuse maintenance
01/19/1999US5862478 Method and system for managing the initiation of new traffic in a resource limited communication system
01/19/1999US5862475 Communication system that supports wireless remote programming process
01/19/1999US5862472 Circuit for indicating loss of portable telephone and control method thereof
01/19/1999US5862465 Hysteresis-free anti-saturation circuit
01/19/1999US5862462 Power enhancement techniques for high power satellites