Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
09/1998
09/03/1998WO1998030031A3 Selecting a signal at the bsc for soft handoff application
09/03/1998WO1998029962A3 Method for repeater management
09/03/1998WO1998029960A3 Method for allocating rake branches and rake receiver
09/03/1998WO1998019481A3 Method and apparatus for providing high speed data communications in a cellular environment
09/03/1998WO1998017022A3 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
09/03/1998DE19707057A1 Base station with antenna coupling unit for radio-communication system
09/03/1998CA2253316A1 Dual-mode satellite/terrestrial mobile communication unit
09/03/1998CA2228783A1 Communication process used in a shared resource transmission system
09/02/1998EP0862350A2 System for wireless transmission of frame synchronized signals between a fixed station and a mobile terminal
09/02/1998EP0862307A1 Telphone device and method for displaying functions and related parameters
09/02/1998EP0862282A1 Method of providing a voice mail service for mobile subscribers in a telephone network
09/02/1998EP0862276A2 Mobile station voltage supply using level shift of base band operating voltages
09/02/1998EP0861565A1 Data service in a mobile communication network
09/02/1998EP0861564A1 Method and apparatus for providing fixed cellular functionality
09/02/1998EP0861550A1 Asynchronous data transmission method and arrangement
09/02/1998EP0861542A1 System for decrypting television from several satellites
09/02/1998EP0861538A1 High-penetration transmission method for a radiocommunication system
09/02/1998EP0861532A1 Synchronous data transmission method and arrangement
09/02/1998EP0861531A1 Acoustic echo elimination in a digital mobile communications system
09/02/1998EP0861530A1 Fast power control in a variable data rate mobile cmda communication system
09/02/1998EP0861529A1 Multiple user communication system, device and method with overlapping uplink carrier spectra
09/02/1998EP0761067B1 Connection release in a telecommunications system
09/02/1998EP0753159B1 Vehicle-mounted transponder
09/02/1998CN1192317A Implementation of mutual rate adaptations in data services between GSM and DECT
09/02/1998CN1192305A Self-interference cancellation for two-party relayed communication
09/02/1998CN1192304A Automatic power control system for a code division multiple access (CDMA) communication system
09/02/1998CN1192300A Timing adjustment control for efficient time division duplex communication
09/02/1998CN1192113A Transmission power control method
09/02/1998CN1192090A Satellite controlled power control for personal communication user terminals
09/02/1998CN1192089A Demodulator for demodulation spread spectrum signal and its method
09/02/1998CN1192086A Method for managing status and dual information of clock distributor
09/01/1998US5802483 Method and apparatus for transmission of data and voice
09/01/1998US5802477 Wireless telephone apparatus
09/01/1998US5802473 Automatic determination and tuning of pico-cell topology for low-power wireless systems
09/01/1998US5802470 Automated wireless-call completion using a paging network
09/01/1998US5802465 Data transmission in a radio telephone network
09/01/1998US5802452 Multiple channel radio frequency repeater
09/01/1998US5802445 Methods and apparatus for providing user RF exposure monitoring and control in a satellite communications system
09/01/1998US5802173 Radiotelephony system
09/01/1998US5802154 Provision of proprietary and enhanced capabilities in Group 3 facsimile for mobile satellite communications
09/01/1998US5802110 Wireless mobile system
09/01/1998US5802105 Method and apparatus for testing a digital communication channel
09/01/1998US5802102 Programmable two-part matched filter for spread spectrum
09/01/1998US5802046 Efficient time division duplex communication system with interleaved format and timing adjustment control
09/01/1998US5802039 Mobile radio communication apparatus with synchronized reception recovering function
09/01/1998US5801783 Remote accurate frequency generation using a numerically controlled oscillator
09/01/1998US5801754 Interactive theater network system
09/01/1998US5801643 Remote utility meter reading system
09/01/1998US5801618 Vehicle alarm and lot monitoring system
09/01/1998CA2156875C System for automatically completing calls to mobile telephone subscribers
09/01/1998CA2124487C Method and system for maintaining processing continuity to mobile computers in a wireless network
09/01/1998CA2098010C Method for compensating for capacity overload in a spread spectrum communication system
09/01/1998CA2096912C Error detecting method and apparatus for data communications
08/1998
08/27/1998WO1998037654A2 Vertical adaptive antenna array for a discrete multitone spread spectrum communications system
08/27/1998WO1998037650A2 Transmit/receive compensation in a discrete multitone spread spectrum system
08/27/1998WO1998037646A2 Method of estimating interference level in a radio system
08/27/1998WO1998037644A1 Compensating for fading in analog am radio signals
08/27/1998WO1998037643A1 Method and apparatus in a radio communication system for synchronizing transmissions while maintaining full user traffic
08/27/1998WO1998037638A2 Highly bandwidth-efficient communications
08/27/1998WO1998037590A2 Polarization diverse antenna for portable communication devices
08/27/1998WO1998037528A1 Remote utility meter reading system
08/27/1998WO1998030032A3 Simulcast handoff method compensating for cable length differences
08/27/1998WO1998029961A3 A cellular radio system and a method for measuring the interference level
08/27/1998WO1998028876A3 Adjusting air frame position of transmissions to minimise co-channel interference
08/27/1998WO1998028861A3 Diversity method and base station equipment
08/27/1998WO1998023095A3 System and method for interfacing a local communication device
08/27/1998WO1998015147A3 Dual mode portable telephone unit
08/27/1998CA2281726A1 Compensating for fading in analog am radio signals
08/26/1998EP0860954A1 Method pf transfering information between moving objects and communication device using the method
08/26/1998EP0860953A1 Method of radiotelephone communication between a base station and a mobile telephone by means of a repeater
08/26/1998EP0860952A2 Ground based beam forming utilizing synchronized code division multiplexing
08/26/1998EP0860061A1 Digital telephony using control messages transmitted in time slots for rf frequency allocation
08/26/1998EP0860060A1 Frequency assignment in a cellular telecommunications network
08/26/1998EP0860059A1 Apparatus and method for signal transmission and reception using an adaptive antenna
08/26/1998EP0860058A2 Method and apparatus for power control in a telephone system
08/26/1998EP0860057A1 Method and apparatus for power control in a telephone system
08/26/1998EP0860055A1 Method for transmitting a pilot signal, and a cellular radio system
08/26/1998EP0859989A1 Enhanced detection of multiple data transmissions
08/26/1998CN1191637A Large phased-array communications satellite
08/26/1998CN1191462A Hand-off method in personal communication service system
08/26/1998CN1191460A Wireless base station equipment
08/26/1998CN1191458A Phase correction method and apparatus for spectrum spread wireless communication receiver
08/26/1998CN1191304A Device and method for monitoring system environment of outdoor base station
08/26/1998CN1039614C Method for controlling subscriber station in mobile radio system
08/26/1998CN1039613C Apparatus for adapting electrical communications port to optical communications port
08/25/1998US5799253 Method of switching in a signal selecting system
08/25/1998US5799249 Method and apparatus for a nation-wide cellular telephone network
08/25/1998US5799245 Cooperative diversity antenna switching on transmitter and receiver side
08/25/1998US5799244 Digital mobile unit having a function of issuing a tone level controllable input signal degradation alarm and a method thereof
08/25/1998US5799243 Cellular radio system and a method for measuring the interference level
08/25/1998US5799091 Single chip solution for multimedia GSM mobile station systems
08/25/1998US5799042 Wireless digital communication system, a radio apparatus, a digital speaker, and a digital speaker controlling apparatus
08/25/1998US5799011 CDMA power control channel estimation using dynamic coefficient scaling
08/25/1998US5799010 Code division multiple access (CDMA) communication system
08/25/1998US5799004 Method for eliminating multiple-access interference and a mobile station
08/25/1998US5798726 Air traffic surveillance and communication system
08/25/1998CA2227651A1 A process for transmitting information between moving bodies and a communication device for carrying out this process
08/25/1998CA2124887C Automatic gain control apparatus
08/25/1998CA2094193C Method and apparatus for providing time diversity
08/25/1998CA2068941C Device and method for telephony interconnection intended to offer continuity of service to independent stations in a communications network