Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
03/1994
03/23/1994EP0587736A1 Spread spectrum wireless telephone system
03/23/1994EP0587620A1 Radio system
03/23/1994EP0298130B1 Method of controlling the connection of cordless telephone equipment
03/23/1994CN1084335A Rearranging channels
03/23/1994CN1084334A Information broadcasting method and special equipment for computer
03/22/1994US5297183 Speech recognition system for electronic switches in a cellular telephone or personal communication network
03/22/1994US5297171 Receiver comprising at least two receive branches
03/22/1994US5297168 Space-diversity digital mobile receiver and relevant process
03/22/1994US5297162 System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system
03/22/1994US5297161 Method and apparatus for power estimation in an orthogonal coded communication system
03/22/1994US5297142 Data transfer method and apparatus for communication between a peripheral and a master
03/22/1994US5296761 Temperature-compensated logarithmic detector having a wide dynamic range
03/22/1994CA2101501A1 Method and apparatus for detecting a supervisory audio tone
03/21/1994EP0586548A4 Radio frequency error detection and correction system.
03/18/1994EP0591356A4 Method and apparatus for establishing a communication link.
03/17/1994WO1994006233A1 Combined equalizer and roll-off filter
03/17/1994WO1994006227A1 A spectrum sharing communications system
03/17/1994WO1994006218A1 A method and apparatus for regulating transmission power
03/17/1994WO1994006217A1 Spread spectrum communication system with adaptive power control
03/17/1994WO1994006205A1 Transmission via a common communication link of both a downconverted modulated radio frequency signal and a pilot signal used for conversion
03/17/1994WO1994001956A3 Dual mode communication network
03/16/1994EP0587249A1 Process for reconfiguration of antenna beam coverage in a satellite network
03/16/1994EP0587210A1 Channel selection apparatus in a multiple receiver system
03/16/1994EP0587129A1 Receiver for digital mobile communications
03/16/1994EP0586681A1 A method of bidirectional communication in a cellular mobile radio communication system wherein different base stations are used for the downlink and uplink connection
03/16/1994EP0586652A1 A method for communication in a tdma cellular mobile radio system using frequency hopping
03/16/1994EP0586548A1 Radio frequency error detection and correction system.
03/16/1994EP0586434A1 Radio system with measurement and adjustment of transfer delay
03/16/1994CN1083990A A communication network, method of establishing a connection, and apparatus and registration procedure in such a network
03/16/1994CN1083947A Clock generator capable of shut-down mode and clock generation method
03/15/1994US5295154 Radio frequency local area network
03/15/1994US5295153 CDMA frequency allocation
03/15/1994US5295152 TDMA for mobile access in a CDMA system
03/15/1994US5295140 Method for multi-purpose utilization of resources in a communication system
03/15/1994US5295136 Method of performing convergence in a, least mean square, adaptive filter, echo canceller
03/15/1994US5295064 Intelligent shopping cart system having cart position determining and service queue position securing capability
03/15/1994US5294931 Method of interrogating a plurality of transponders arranged in the transmission range of an interrogating device and transponders for use in the said method
03/15/1994CA2007138C Diversity reception control circuit
03/15/1994CA2003929C Radiotelephone system in the form of a private branch exchange
03/15/1994CA1327836C High bit rate communication system for overcoming multipath
03/12/1994CA2105145A1 Receiver for digital mobile communications
03/09/1994EP0586170A1 A mobile radio communications unit
03/09/1994EP0586159A2 Precoding of signature sequences for CMDA systems
03/09/1994EP0586090A1 Method and apparatus for communication in a CDMA cellular telephone system
03/09/1994EP0585994A2 Mobile radio system with adaptive channel allocation
03/09/1994EP0585693A2 A communications system
03/09/1994EP0585642A1 Antennae diversity
03/09/1994EP0585420A1 Method and apparatus for estimating signal weighting parameters in a diversity receiver
03/08/1994US5293639 Reduction of power consumption in a portable communication unit
03/08/1994US5293638 Intersystem communication system and method
03/08/1994US5293576 Command authentication process
03/08/1994US5293423 Synchronizing method in a mobile radio system
03/08/1994US5293419 Simultaneous voice-call system for cordless telephone
03/08/1994US5293401 Equalizer for linear modulated signal
03/08/1994US5293380 Frame synchronization system among multiple radio base stations for TDMA digital mobile communications system
03/08/1994US5293329 Apparatus for and method of digital signal processing
03/08/1994CA2001775C Mobile telephone system with intermittent control of receiver components in standby state
03/08/1994CA1327641C Mobile transmitter/receiver
03/03/1994WO1994005130A1 Rearranging channels
03/03/1994WO1994005129A1 A communication network, method of establishing a connection, and apparatus and registration procedure in such a network
03/03/1994WO1994005126A1 Mobile telephone system
03/03/1994WO1994005104A1 Arrangement for enhancing data transmission in a digital cellular radio network
03/03/1994WO1994005100A1 A method for forming a quality measure for signal bursts
03/03/1994WO1994005098A1 Method for estimating traffic density in mobile telephone networks
03/03/1994WO1994005093A1 Geographic-area selective low-earth satellite-based paging broadcast system and method
03/03/1994CA2120627A1 Geographic-area selective low-earth satellite-based paging broadcast system and method
03/03/1994CA2119863A1 Communication network, method of establishing a connection, and apparatus and registration procedure in such a network
03/02/1994EP0585089A2 Digital block processor for transmitting a plurality of channels in a wireless radiotelephony system
03/02/1994EP0584839A1 Method for the use at the reception end of additional information within a radio signal
03/02/1994EP0584724A2 Parallel transmission of TDMA sync and data bursts by artificial frequency selective fade and decision feedback equalization
03/02/1994EP0584617A2 Data transmission system by satellite
03/02/1994EP0584554A2 Circuitry for the supply of operating voltage of a car radio
03/02/1994EP0584248A1 Dual mode transmitter and receiver
03/02/1994EP0584241A1 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
03/02/1994CN1083296A Low power emergency telephone mode
03/02/1994CN1083290A Receiver for local calls with low energy consumption
03/02/1994CN1083289A Voice pager
03/02/1994CN1083288A Method of and apparatus for radio communicatuion amongst base and mobile terminal employing meter scatter
03/01/1994US5291519 Digital mobile communications terminal equipment and receiving method therefor
03/01/1994US5291516 Dual mode transmitter and receiver
03/01/1994US5291475 Slot hopped FD/TD/CDMA
03/01/1994CA2038645C Control device for radio communication apparatus
03/01/1994CA1327413C Optical communications network
02/1994
02/27/1994CA2100043A1 Digital block processor for transmitting a plurality of channels in a wireless radiotelephony system
02/26/1994CA2101471A1 Method and apparatus for synchronizing a time division duplexing communication system
02/23/1994EP0584012A1 Device for transparent communication, especially in the field of spacecraft, architecture of payload using that device and method for making device and architecture
02/23/1994EP0583523A2 Pager with reverse paging facility
02/23/1994EP0583522A2 Remote position determination system
02/23/1994CN2157634Y Voice memory beeper
02/23/1994CN2157633Y Monitoring station for moving communication system
02/23/1994CN1082788A Method for the improvement of the radio supply of a traffic route structure by a cellular mobile radio system and apparatus for carrying out the method
02/23/1994CN1082785A Pager with extension set locking code
02/23/1994CN1082783A Method and apparatus for over-the-air upgrading of radio modem application software
02/22/1994US5289527 Mobile communications device registration method
02/22/1994US5289501 Coded modulation with unequal error protection for fading channels
02/22/1994US5289499 Diversity for direct-sequence spread spectrum systems
02/22/1994US5289496 Method and system for radio communication
02/22/1994US5289471 Digital communication apparatus having an error detecting section
02/22/1994US5289464 Frequency-multiplexed cellular telephone cell site base station and method of operating the same
02/22/1994US5289459 Duplex data transmission