Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
12/1998
12/01/1998CA2114729C Network with line monitoring system
11/1998
11/26/1998WO1998053557A2 Transponder communication device
11/25/1998EP0879527A1 Training process
11/25/1998EP0879511A2 Method for load control, and radio system
11/25/1998EP0879510A2 Method of setting load goal, and radio system
11/25/1998CN1040912C Electric arc and radio frequency spectrum detection
11/24/1998US5841400 Estimator of direction of desired signal
11/24/1998US5841398 Integrated navigation and communication satellite system
11/24/1998CA2120714C Method and apparatus of estimating channel quality in a receiver
11/18/1998EP0878921A1 Transmission line presuming circuit and modem using the same
11/18/1998EP0878786A1 Circuit arrangement having a sensor and an evaluation circuit
11/18/1998EP0878107A1 Method and system for testing the condition of a subscriber station in a radio system
11/18/1998CN1199311A Method for controlling transmitting power in base station transceiver subsystem
11/18/1998CN1199262A Transmission line protection system
11/17/1998US5839061 Receiver quality measurement system for use in digital cordless telephones and like apparatus
11/17/1998US5839060 Logarithmic level detector and a radio receiver
11/17/1998US5839055 Narrow band radio transmitting and receiving apparatus and method
11/17/1998US5838261 Device for monitoring a complex system such as an aircraft
11/17/1998CA2176478C Optimization of transmitted pulse shape and receiver timing in digital system
11/12/1998DE19730595C1 Electro-magnetic noise source detection device
11/11/1998EP0877497A2 Method for determining the transmission quality of a signal in a wireless communication system
11/10/1998US5835850 Self-testing transceiver
11/10/1998US5835530 Bit characteristics measurement system for digitally modulated signals
11/10/1998US5834753 Laser scanner module having integral interface with hand-held data capture terminal proximity and label sensing, and enhanced sensitivity and power efficiency
11/05/1998WO1998049568A1 Multi-signal generator
11/05/1998WO1998038769A3 Frame alignment of test signals in a communication system
11/04/1998CN1198040A Circuit arrangement having senson and evaluation circuit
11/03/1998US5832372 Antenna assembly for a radio transceiver
11/03/1998US5832369 Microwave receiver configured to provide non-referenced distance measurements along with signal magnitude measurements
11/03/1998US5831974 Testing equipment for a base station network
11/03/1998US5831970 Transmission apparatus
11/03/1998US5831874 Method and system for calculating a transmitted signal characteristic in an environmental model
10/1998
10/29/1998WO1998030044A3 Channel strength measurement shifting scheme
10/28/1998EP0873600A1 Method for unlicensed band port to autonomously determine interference threshold and power level
10/28/1998CN1197339A Mobile radio wave receiver with adaptive automatic gain control
10/27/1998US5828658 Spectrally efficient high capacity wireless communication systems with spatio-temporal processing
10/22/1998WO1998047238A2 Method and system for avoiding communication failure in cdma systems
10/22/1998WO1998047039A2 Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
10/22/1998WO1998037650A3 Transmit/receive compensation in a discrete multitone spread spectrum system
10/22/1998WO1998037646A3 Method of estimating interference level in a radio system
10/22/1998CA2287243A1 Method and system for avoiding communication failure in cdma systems
10/22/1998CA2279240A1 Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
10/21/1998EP0872971A2 Method and apparatus for automatically identifying a program including a sound signal.
10/21/1998EP0872139A1 Telemetric measuring of a mobile telephone network
10/21/1998EP0872066A1 A method for determining connection quality, and a receiver
10/21/1998EP0872031A1 Data-transfer method and device with multi-channel transmitters and wide-band portable receivers
10/21/1998CN1196845A Method and apparatus for rate determination in communication system
10/14/1998EP0870201A1 Antenna adapter
10/14/1998EP0647375B1 Method and apparatus for objective speech quality measurements of telecommunication equipment
10/13/1998US5822519 Method for transferring data to a plurality of modes connected in series by employing an intermediate mode and dividing the system into a plurality of virtual groups
10/13/1998US5822301 Communication arrangement and method for the evaluation of at least tow multi-part communication connections between two parties to a communication in a multi-node network
10/08/1998WO1998044661A1 Power detection circuit
10/08/1998DE19756100A1 Method of measuring impedance of circuit by generating test signal
10/07/1998EP0869435A1 Propagation scheme for network object status
10/07/1998CN1195260A Method for measuring standing wave ratio in mobile communication system
10/06/1998US5818831 Digital radio communication apparatus
10/01/1998WO1998043455A2 Method and wireless terminal for monitoring communications and providing network with terminal operation information
10/01/1998WO1998028862A3 Mobile radio apparatus and process for determining the receiving field intensity
10/01/1998WO1998026617A3 An operational test device and method of performing an operational test for a system under test
10/01/1998WO1998026561A3 Voice path testing in telecommunications systems
10/01/1998EP0888671A3 Mobile radio apparatus and process for determining the receiving field intensity
09/1998
09/30/1998EP0867082A2 A real-time csma method having the capability to adaptively vary cell sizes and a wireless network for implementing the same
09/30/1998EP0867081A2 Process and device for detecting the transmission properties of mobile wireless telecommunication devices
09/30/1998EP0867066A1 Digital calibration of a transceiver
09/30/1998CN1194757A Method and apparatus for determining path attenuation of radio waves
09/30/1998CN1194741A Self caliberation apparatus and method for communication device
09/30/1998CN1194518A Channel ratio measurer and method in communication system and control method for transmitting power
09/30/1998CA2230253A1 Method for propagating between views of connection object status in network
09/30/1998CA2217799A1 Traffic distribution analysis in a land mobile radio system
09/29/1998US5815802 Traffic alert warning system and method for alerting vehicle operators of road conditions
09/29/1998US5815801 Method for estimating the quality of a connection, and a receiver
09/29/1998US5815795 Oscillation detecting system for wireless repeater
09/25/1998CA2231954A1 Method and wireless terminal for monitoring communications and providing network with terminal operation information
09/24/1998WO1998042093A1 Calibration device for array antenna wireless receiver
09/24/1998DE19710040A1 Partial waves origin distance and direction measurement method
09/24/1998DE19709407A1 Privately used radio supply range administration method
09/22/1998CA2063493C External apparatus for monitoring a communication system
09/17/1998WO1998040865A1 Control method & system
09/17/1998DE19744021A1 Wireless data transmission simulation method
09/16/1998EP0865221A1 A method and a device for generation of path profiles for use in radio wave propagation
09/15/1998US5809428 Method and device for processing undelivered data messages in a two-way wireless communications system
09/15/1998US5809427 Apparatus and method for channel acquisition in a communication system
09/15/1998US5809419 Method for reducing channel scanning time
09/15/1998US5809414 User out-of-range indication for digital wireless systems
09/15/1998US5809407 Receiver, an arrangement and a method for comparing two signals
09/15/1998US5809399 Method and circuit for filtering disturbances in a radio receiver
09/15/1998US5809063 Coherent detection architecture for remote calibration of coherent systems using direct sequence spread spectrum transmission of reference and calibration signals
09/15/1998US5809019 Transmisson diversity system
09/15/1998US5808463 Method and apparatus for measuring adjacent channel power using complex fourier transform
09/14/1998CA2232016A1 A method and a device for path profile generation
09/11/1998WO1998039943A1 Method of measuring traffic densities
09/11/1998WO1998039862A1 Radio apparatus with adjustable reception quality
09/11/1998WO1998031112A3 Method and apparatus for estimating field strength
09/10/1998DE19708490A1 Funkgerät Radio set
09/09/1998EP0863625A2 Optical transmission system, optically branching apparatus and optical signal processing apparatus
09/09/1998EP0863618A2 Method and apparatus for transmission power control by measuring the signal to interference ratio in a CMDA communication system
09/08/1998US5805992 Method for validating a communication link
09/08/1998US5805982 Method and apparatus for measuring idle channel quality in an RF frequency sharing environment
09/08/1998US5805667 Apparatus for range-testing cordless communication devices and method of operation thereof
09/08/1998US5805319 Circuit for discriminating the presence of extraordinariness in an output signal
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