Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
10/1997
10/01/1997EP0798886A2 Paging and mailbox system using terrestrial or satellite broadcast installations
10/01/1997EP0798879A2 Demand-assigned satellite communications system
10/01/1997EP0798878A2 Antenna selection control circuitry
10/01/1997EP0798876A2 Circuit for line matching and echo suppressing
10/01/1997EP0798874A2 Wireless communication system using frequency hopping, and method of controlling the system
10/01/1997EP0798872A2 CDMA mobile communications system
10/01/1997EP0798209A2 Spacecraft with modular communication payload
10/01/1997EP0797899A1 Method and system of data transmission and reception in a mobile station within a radio telecommunications system
10/01/1997EP0797898A2 A practical means for dynamic allocation of individual demodulators to a multiplicity of received rf signals
10/01/1997EP0797878A1 Ofdm with variable subcarrier allocation
10/01/1997EP0797876A2 Circuit array and process for creating a data feedback channel from receiver to transmitter in a common frequency network
10/01/1997EP0797874A1 Diversity-oriented channel allocation in a mobile communications system
10/01/1997EP0797873A2 Method and apparatus for increasing receiver immunity to interference
10/01/1997EP0797818A1 Process and device for radio communication in traffic guidance systems
10/01/1997EP0541767B1 Enhanced power level usage in a radiotelephone system
10/01/1997CN1161117A Method and apparatus for inbound channel selection in a communication system
10/01/1997CN1160953A Saturationproof circuit for receiver
09/1997
09/30/1997US5673299 Adjunct controller for a telephone system
09/30/1997US5673294 Adaptive maximum likelihood sequence estimation apparatus and adaptive maximum likelihood sequence estimation method
09/30/1997US5673288 System and method for adaptive maximum likelihood sequence estimation
09/30/1997US5673286 Spread spectrum multipath processor system and method
09/30/1997US5673260 Method and system for CDMA mobile communication
09/30/1997US5673256 Apparatus and method for sending data messages at an optimum time
09/30/1997US5673052 Near-field focused antenna
09/30/1997US5673032 Selective calling receiver for computing devices
09/30/1997US5673031 Redundant radio frequency network having a roaming terminal communication protocol
09/30/1997CA2173084A1 Induction device for high radio frequency signal distributor
09/30/1997CA2070027C Portable telephone
09/30/1997CA2053851C Integrated cellular communications system
09/26/1997CA2199884A1 Spacecraft with modular communication payload
09/25/1997WO1997035452A1 United access channel for use in a mobile communications system
09/25/1997WO1997035451A1 Adaptive transmit levels for modems operating over cellular
09/25/1997WO1997035412A1 Method and apparatus for routing a digitized rf signal to a plurality of paths
09/25/1997WO1997035408A2 Message collision arbitration using minislots
09/25/1997WO1997035387A1 Method and apparatus for cordless infrared communication
09/24/1997EP0797369A2 CDMA mobile communication scheme with effective use of sector configuration
09/24/1997EP0797368A2 Telecommunication system, radio base station thereof, and portable telecommunication terminal thereof
09/24/1997EP0797367A2 Scheme for wire line data transmission in mobile communication system
09/24/1997EP0797327A2 Adaptive hybrid-ARQ coding schemes for slow fading channels in mobile radio systems
09/24/1997EP0797320A2 Repeater-amplifier system for mobile radio telephone network with carrier frequency transposition
09/24/1997EP0797319A2 Communications satellite router-formatter
09/24/1997EP0797318A2 Power control in a cellular communication system
09/24/1997EP0797310A2 Wireless communication set having backlighted display
09/24/1997EP0796544A1 Up link macro diversity method and apparatus in a digital mobile radio communication system
09/24/1997CN1160473A Method for restricting channel access depending on subscriber classes and system loading
09/24/1997CN1160472A Cellular mobile communication system
09/24/1997CN1160470A Power saving in celluar dadiotelephone apparatus
09/24/1997CN1160468A Transmission of digital data messages in digital telephony
09/24/1997CN1160330A Method for management of additional service in mobile communication network
09/24/1997CN1160329A Device for transmitting paging data and method therefor
09/24/1997CN1160209A Satellite radiodetermination
09/24/1997CN1035978C Method for adjusting transmission power in cellular radio system and subscriber equipment
09/23/1997US5671254 Modulation, demodulation and antenna coupling circuits used in IC card reading/writing apparatus, and method of supplying power to the IC card
09/23/1997US5671221 Receiving method and apparatus for use in a spread-spectrum communication system
09/23/1997US5671220 Satellite channel interface in indoor unit used for satellite data communication
09/23/1997US5671219 Communication protocol for spread spectrum communication
09/23/1997US5671218 Controlling power and access of wireless devices to base stations which use code division multiple access
09/23/1997US5670964 Navigation assistance for call handling in mobile telephone systems
09/23/1997US5670902 Satellite broadcast receiving system and change-over divider for use in same
09/23/1997US5669585 Elliptical orbit satellite, system, and deployment with controllable coverage characteristics
09/23/1997CA2115211C Adaptive medium access control scheme for wireless lan
09/23/1997CA2109789C Diversity for direct-sequence spread spectrum systems
09/18/1997WO1997034439A1 Method and apparatus for providing centralized power control administration for a set of base stations
09/18/1997WO1997034434A1 Method and apparatus for power control in a spread-spectrum communication system
09/18/1997WO1997034425A2 Process and arrangement for executing protocols between telecommunications devices in wireless telecommunications systems
09/18/1997WO1997034421A1 Data transmission using atm over hybrid fiber coax
09/18/1997WO1997034404A1 Infrared communications system and method
09/18/1997WO1997034403A1 An integrated local communication system
09/18/1997WO1997034402A1 A multi-function mobile telephone station
09/18/1997WO1997034387A1 Method and apparatus for power control in a communication system
09/18/1997WO1997034381A2 Method and apparatus for antenna realignment in a mobile radiotelephone using an injected audio signal
09/18/1997WO1997034378A2 Method for connecting mobile station to tdma-based network
09/18/1997WO1997034372A1 Method and apparatus for power control in a communication system
09/18/1997WO1997034337A1 Method and device for adaptive polarization conversion
09/18/1997WO1997034162A1 Method for automatically reducing orbit-received carrier acquisition and tracking thresholds
09/18/1997WO1997033790A1 High-altitude lighter-than-air stationary platforms including ion engines
09/18/1997WO1997029596A3 A connection establishment method, a subscriber terminal unit and a radio system
09/18/1997DE19610400A1 Audio and data system switching device e.g. for satellite transmission
09/18/1997DE19610116A1 Diebstahlschutzsystem für ein Kraftfahrzeug Anti-theft protection system for a motor vehicle
09/18/1997DE19610086A1 Verfahren und Anordnung zum Abwickeln von Protokollen zwischen Telekommunikationsgeräten drahtloser Telekommunikationssysteme Method and apparatus for handling protocols between telecommunications equipment wireless telecommunication systems
09/18/1997DE19608183A1 Verfahren und Anordnung zum Verbessern des Ausnutzungsgrades von Telekommunikationskanälen in örtlich konzentrierten, asynchronen, drahtlosen Telekommunikatonssystemen Method and system for improving the degree of utilization of telecommunication channels in locally concentrated, asynchronous, wireless Telekommunikatonssystemen
09/18/1997CA2249028A1 Process and arrangement for executing protocols between telecommunications devices in wireless telecommunications systems
09/17/1997EP0796024A2 Low power, short range point-to-multipoint communications system
09/17/1997EP0795991A1 Communications system
09/17/1997EP0795978A2 Frequency control for frequency division channels
09/17/1997EP0795975A2 Device for reducing transmission capacity requirements
09/17/1997EP0795971A2 Spread spectrum communication system for mobile system with synchronisation code
09/17/1997EP0795970A2 Cellular radio system with simulcast transmission of delay-adjusted downlink signals to mobiles via adjacent base stations
09/17/1997EP0795969A2 CDMA cellular radio transmission system
09/17/1997EP0795926A2 Flat, three-dimensional antenna
09/17/1997EP0795257A1 A beamed antenna system
09/17/1997EP0795256A1 A radio telecommunication system
09/17/1997EP0795255A2 Transmission of digital data messages in digital telephony
09/17/1997EP0795239A1 Method for synchronization of transmitter and receiver at mobile radio system
09/17/1997EP0795238A1 Burst alignment procedure
09/17/1997EP0795212A1 Burst-error resistant atm microwave link and network
09/17/1997EP0702884A4 System and method for mobile communications in coexistence with established communications systems
09/17/1997CN1159875A Satellite-based ring alert apparatus and method of use
09/17/1997CN1159870A Interference cancellation method, and receiver
09/17/1997CN1159864A Multi-beam satellite-based messaging system