Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
10/1994
10/13/1994WO1994023506A1 Restoration of a home location register in a mobile radio system
10/13/1994WO1994023504A1 Radio repeater
10/13/1994WO1994011999A3 Modem for a tight coupling between a computer and a cellular telephone
10/13/1994CA2157495A1 Radio repeater
10/12/1994EP0619664A2 Random access satellite communication system using random numbers generated in a range variable with channel traffic
10/12/1994EP0619656A2 Time division multiplex transmitting/receiving system
10/12/1994EP0436714B1 Code distribution multiple access communication system with user voice activated carrier and code synchronization
10/11/1994US5355530 Receiver using receiving condition signal for correcting influence of the reception band width
10/11/1994US5355529 Paging system with satellite time base
10/11/1994US5355520 In-building microwave communication system permits frequency refuse with external point-to-point microwave systems
10/11/1994US5355515 Method and apparatus for estimating initial time alignment in a cellular communications network
10/11/1994US5355514 Method for determining the transmission quality of a home traffic connection in a mobile radio system
10/11/1994US5355512 Uplink null intrusion rejection for satellite communications systems
10/11/1994US5355511 Position monitoring for communicable and uncommunicable mobile stations
10/11/1994US5355368 Method for allocating time slots for transmission in a half-duplex time division multiple access point-to-multipoint bidirectional transmission network
10/11/1994US5355138 Antenna beam coverage reconfiguration
10/11/1994CA2050656C Digital data radio transmission system
10/06/1994DE4310256A1 Reception arrangement for reception with antenna diversity
10/05/1994EP0618704A1 Method of transmission of information over radio links
10/05/1994EP0618688A2 Data transmission radio system between at least one mobile station and n fixed base stations along a way
10/05/1994EP0618687A2 Phase correction for radio receiver based an training sequence
10/05/1994EP0618557A1 Information transmitting device for road traffic
10/05/1994EP0617864A1 Spread-spectrum data publishing system
10/05/1994EP0617861A1 Process for improving the coverage of radio cells in a cellular mobile radio system and device for implementing it.
10/04/1994US5353341 Cordless telephone arranged for operation in a frequency hopping system
10/04/1994US5353333 Small wireless telecommunications system
10/04/1994US5353330 Power conserving mobile telephone usable as a portable phone and as an installed phone
10/04/1994US5353306 Tap-weight controller for adaptive matched filter receiver
10/04/1994CA2009234C Base station emulator
09/1994
09/29/1994WO1994022255A1 Self-diagnostic system for cellular-transceiver systems
09/28/1994EP0617524A1 Radio-electric transmission method using repeater stations with spectrum inversion
09/28/1994EP0617523A2 Digital radio communication apparatus including transmission error control
09/28/1994EP0617521A2 Iterative equalisation of digital signals degraded by multipath fading
09/28/1994EP0616746A1 Arrangement for enhancing data transmission in a digital cellular radio network
09/28/1994EP0616743A1 Combination of two signals, the second appearing as a noise for the first one
09/28/1994EP0616742A1 Spatial division multiple access wireless communication systems
09/28/1994EP0616741A1 Cellular radio system.
09/28/1994EP0613604A4 Inbuilding telephone communication system.
09/27/1994US5351283 Vehicle-mounted charging apparatus for portable telephone sets
09/27/1994US5351274 Post detection selection combining diversity receivers for mobile and indoor radio channels
09/27/1994US5351270 Portable cellular telephone using spread spectrum communication with mobile transceiver
09/27/1994US5351269 Overlaying spread spectrum CDMA personal communications system
09/27/1994US5351052 Transponder systems for automatic identification purposes
09/27/1994CA2118633A1 Radio transmission method using repeater stations with spectrum reversal
09/27/1994CA2034712C Automobile radio telephone apparatus capable of detecting a drop of power source voltage
09/22/1994DE4325426A1 Method and device for transmitting information from space
09/22/1994DE4311472A1 Communication system for, in particular, driverless vehicles
09/22/1994DE4308161A1 System for communication via satellites
09/21/1994EP0616481A2 Method of allocating radio channels for mobile communication system
09/21/1994EP0616445A1 Duplex multicarrier digital radio communication system, mobile station and base station for it
09/21/1994EP0616438A1 System for communication between sending and receiving stations of a data transmission network with directional reception lobes turning with a synchron angular speed
09/21/1994EP0616437A1 Communication system employing spectrum reuse on a spherical surface
09/21/1994EP0616436A1 Earth-based receiving station for receiving signals from a satellite
09/21/1994EP0616435A1 Method for transmitter power control of a mobile in a cellular mobile radio network
09/21/1994EP0615676A1 Communication channel selection in cellular radio communication systems
09/21/1994EP0615638A1 A real-time running averaging device
09/21/1994EP0598760A4 A telecommunications system.
09/21/1994EP0541561B1 Process for the mobile reception of frequency-modulated stereo-multiplex signals
09/21/1994CN1092572A Language broadcasting system using satellite locator
09/21/1994CN1092571A Radio coverage in closed environments
09/20/1994US5349698 Radio communication system for a selected one of a plurality of terminal units of different kinds
09/20/1994US5349694 Radio relay system with a multiplex separation circuit and control for providing time delay multiplex operation of receiver and transmitter
09/20/1994US5349631 Inbuilding telephone communication system
09/20/1994US5349630 Radio telephone system
09/20/1994US5349609 Adaptive interference cancellation and equalization using equalizer decision error as a common corrective factor
09/20/1994US5349607 Receiver for a digital radiomobile system with cancellation of isofrequency interfering signals having the same kind of modulation, and relevant method
09/20/1994US5349606 Apparatus for multipath DSSS communications
09/20/1994US5349360 Electronically controlled antenna system
09/20/1994US5349356 Simultaneous data transmission and reception system using microwaves
09/20/1994CA2038653C Method for the determination of fir filter coefficients in equalizers
09/20/1994CA2035167C Antenna selection diversity reception apparatus
09/15/1994WO1994021072A1 Method for increasing communication range in a two-way communication system
09/15/1994WO1994021065A1 Method and apparatus for coherent communication in a spread-spectrum communication system
09/15/1994WO1994021057A1 A method and an apparatus for handing off mobile station from a first to a second channel in a mobile communication system
09/15/1994WO1994021056A1 Random access communication method by use of cdma, and system for mobile stations which use the method
09/15/1994WO1994021002A1 Drive arrangement for mechanically-steered antennas
09/15/1994WO1994020941A1 Multi-mode identification system
09/14/1994EP0615397A2 Noise suppression circuit for radio transceiver microphone
09/14/1994EP0615394A2 Packet signal selecting apparatus and mobile switching center including the same
09/14/1994EP0615364A1 Wireless data communication system having power saving function
09/14/1994EP0615355A2 Mobile station and cell selecting method for code division multiplex access mobile communication
09/14/1994EP0615353A1 Method and system for controlling the power of an access packet in a mobile radiocommunication system
09/14/1994EP0615352A1 Radio telephone system using a variable length training sequence
09/14/1994EP0615351A2 Transmission level control system and method in radio communication station
09/14/1994EP0615347A1 Adaptative equalizing receiver and maximum likelihood sequence estimation receiver
09/14/1994EP0614598A1 Rearranging channels
09/14/1994EP0557298A4 Simulcast scheduler
09/14/1994CN1092236A Receiving subscriber data from HLR in GSM MSC/VLR
09/14/1994CN1092234A Communication channel selection in cellular radio communication systems
09/14/1994CN1092228A Process of transmission of movable supplying station of predetermined advance time data in cellular moving radio network
09/14/1994CN1092227A Synchronization of clocks in a satellite communication network by preassinging constants to stations of the network
09/13/1994US5347562 Synchronizing groups of base stations in time division duplex communication systems
09/13/1994US5347535 CDMA communication system
09/13/1994US5347521 Method and arrangement for data transmission with load monitor and adaptive distribution
09/13/1994US5347286 Communications system
09/13/1994US5347285 Method and apparatus for tracking the position and velocity of airborne instrumentation
09/13/1994CA2038473C Mobile radio communication system
09/13/1994CA1332008C Variable bandwidth, variable center-frequency multibeam satellite-switched router
09/12/1994CA2118767A1 Radio transceiver
09/07/1994EP0614322A1 Directory structure for large scale telecommunications network allowing location of roaming mobile subscribers