Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
09/1997
09/03/1997CN1158678A Power control method in a cellular communication system, and a receiver
09/03/1997CN1158677A Digital AGC for a CDMA radiotelephone
09/03/1997CN1158547A Radio base station
09/03/1997CN1035798C Mobile communication registration and method for setting up calling zone and honeycomb-like communicating system
09/02/1997US5664006 Method for accounting for user terminal connection to a satellite communications system
09/02/1997US5663990 Wireless telephone distribution system with time and space diversity transmission
09/02/1997US5663958 Method and apparatus for dynamically selecting the length of mobile station burst communications on the reverse digital control channel
09/02/1997US5663957 Dual mode satellite/cellular terminal
09/02/1997US5663956 CDMA communications and geolocation system and method
09/02/1997US5663954 Frame timing control of time division multiple access
09/02/1997US5663715 Synchronized paging system
08/1997
08/28/1997WO1997031503A1 Coexisting gsm and cdma wireless telecommunications networks
08/28/1997WO1997031433A2 Method and apparatus for dynamically selecting the length of mobile station burst communications on the reverse digital control channel
08/28/1997WO1997031432A1 Method and apparatus for signal demodulation and diversity combining of orthogonally modulated signals
08/28/1997WO1997031429A1 Synchronization of transmissions from a subscriber unit to a base unit in a radio cdma communications system
08/28/1997WO1997031428A1 A multi-user acquisition procedure for point-to-multipoint synchronous cdma systems
08/28/1997WO1997026724A3 Mobile and wireless information dissemination system; architecture and protocols
08/28/1997WO1997024892A3 Process and arrangement for radio transmission between a base station and a plurality of subscriber stations
08/28/1997WO1997023098A3 Process for transmitting data in a universal transmission system
08/28/1997WO1997023065A3 Satellite diversity scheme
08/28/1997WO1997021294A3 Cellular communication system with dynamically modified data transmission parameters
08/28/1997DE19614544C1 Entzerrer mit einem Sequenzschätzverfahren mit Zustandsreduktion für einen Empfänger in einem digitalen Übertragungssystem Equalizer with a sequence estimation method with state reduction for a receiver in a digital transmission system
08/28/1997DE19614543C1 Entzerrer mit erweiterter Kanalschätzung für einen Empfänger in einem digitalen Übertragungssystem Equalizer with extended channel estimation for a receiver in a digital transmission system
08/27/1997EP0792050A2 Distribution of reference symbols in a frame
08/27/1997EP0792031A2 Receiving antenna scanning system in the VHF region for cars with controllable switching unit
08/27/1997EP0792001A2 Charging device
08/27/1997EP0653126A4 Method and apparatus for loading a software program from a radio modem into an external computer.
08/27/1997CN1158208A Method for making a faster handover, and a cellular radio system
08/27/1997CN1158194A Detection of defective speech frames in a receiver of a digital speech communication system
08/27/1997CN1158193A CDMA demodulator
08/27/1997CN1158187A Phased array spread spectrum system and method
08/27/1997CN1158125A N-alkyl ammonium acetonitrile bleach activators
08/27/1997CN1158068A Method and apparatus for detecting pilot signals and subscriber
08/27/1997CN1158063A Admission control system and method in space-based mobile telecommunication system
08/27/1997CN1158052A Motion picture detecting method
08/27/1997CN1158033A Data receiving system
08/26/1997US5661796 Telephone set
08/26/1997US5661780 Cordless telephone having power failure detection circuit
08/26/1997US5661764 Slot reception synchronization circuit
08/26/1997US5661762 Multiple antenna home base for digital cordless telephones
08/26/1997US5661753 Decision feedback equalizer having leaky tap gain controllers
08/26/1997US5661724 Method for exchanging signals over a tdma communications link
08/26/1997US5661582 Photonic interconnect and photonic processing for communications and data handling satellites
08/26/1997US5661491 Method and means for reducing interferences in radio receivers
08/26/1997CA2082536C Local area network system
08/21/1997WO1997030560A1 System and method for distributing channel port loading functionality
08/21/1997WO1997030526A1 Telecommunication network having time orthogonal wideband and narrowband systems
08/21/1997WO1997024817A3 Multi-branch frequency-hopping receiver
08/21/1997WO1997024816A3 A method for estimating signal and noise quality, and a receiver
08/21/1997DE19629899C1 Time division duplex mobile communication method
08/21/1997DE19605873A1 Directional radio system for coupling two stationary radio terminals
08/20/1997EP0790715A1 Method and apparatus for power regulation in a satellite telecommunications network with at least two satellites in view
08/20/1997EP0790714A2 Handset signalling time slot assignment plan for satellite mobile communication
08/20/1997EP0790713A2 An adaptive power control and coding scheme for mobile radio systems
08/20/1997EP0790711A1 Spread spectrum radio transmission digital mobile communication device
08/20/1997EP0789975A1 Method and system for intelligent cell selection using location data in cellular systems
08/20/1997EP0789957A1 Antenna diversity techniques
08/20/1997EP0789956A1 Paging method using power shifted transmitters
08/20/1997EP0789955A1 Method and apparatus for channel estimation
08/20/1997EP0664008A4 Method and apparatus for tracking the position and velocity of airborne instrumentation.
08/20/1997CN1157682A Provision of proprietary and enhanced capabilities in group 3 facsimile for mobile satellite communications
08/20/1997CN1157678A Method to adapt synchronous transmission
08/20/1997CN1157543A Mobile communication information terminal apparatus
08/20/1997CN1157541A Broadband mobile radio system
08/20/1997CN1157519A Circuit for controlling panel lamps in flip-type cellular telephone
08/20/1997CN1157516A Data receiving system
08/20/1997CN1157513A System and method for scalable and reliable transmission of electronic software distribution
08/20/1997CN1157509A Communication satellite load balancing system and method
08/20/1997CN1157508A TDMA communication system
08/20/1997CN1157416A Method and circuit for reception of signals for positioning by satellite with elimination of multiple path errors
08/19/1997US5659892 Operation of low-cost, fixed output power radio in fixed gain mode
08/19/1997US5659888 Radio telecommunication apparatus
08/19/1997US5659880 Accelerated synchronization method for a mobile terminal in a mobile radio network
08/19/1997US5659879 Method of covering shadow areas in a cellular mobile radio system and radio booster for implementing this method
08/19/1997US5659878 Mobile communication system with satellite communication hand off capability
08/19/1997US5659615 Secure satellite receive-only local area network with address filter
08/19/1997US5659597 Speech recognition system for electronic switches in a non-wireline communications network
08/19/1997US5659594 Mobile telephone system capable of adapting a portable telephone set
08/19/1997US5659584 Data receiving system for receiving data signal faded and delayed
08/19/1997US5659580 Data interleaver for use with mobile communication systems and having a contiguous counter and an address twister
08/19/1997US5659576 Balanced processing based on receiver selection
08/19/1997US5659572 Phased array spread spectrum system and method
08/19/1997US5659569 Data burst randomizer
08/19/1997US5659545 Apparatus for mobile unit acquisition in a satellite communication system and method therefor
08/19/1997US5659487 Method for recovering from sun transit in communication of very small aperture terminal
08/19/1997US5659298 Method and apparatus for delivering messages in a communication system
08/19/1997CA1339322C Interactive television and data transmission system
08/14/1997WO1997029597A2 Checking the presence of mobile stations communicating on a direct mode channel
08/14/1997WO1997029596A2 A connection establishment method, a subscriber terminal unit and a radio system
08/14/1997WO1997029566A1 Transmission equipment for an interexchange connection
08/14/1997WO1997029561A1 Radio relay arrangement for extending the range on the radio link of a telecommunication system
08/14/1997WO1997029560A1 Remotely controlling and determining electrical device status
08/14/1997WO1997029558A1 Antenna arrangement
08/14/1997WO1997029467A1 Communication protocol for transmission system for controlling and determining the status of electrical devices from remote locations
08/14/1997WO1997023963A3 Telecommunication systems with call drop-out messaging activation
08/14/1997WO1997023068A3 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver
08/14/1997WO1997021298A3 Method of detecting operating states of an electrical apparatus and electrical apparatus for detecting apparatus-specific operating states
08/13/1997EP0789502A2 Data distribution systems
08/13/1997EP0789474A2 A hands-free arrangement for mobile communication device
08/13/1997EP0789466A2 Frequency error measuring apparatus and radio apparatus