Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
09/1998
09/03/1998WO1998038772A1 Channel impulse response estimation using singular value decomposition
09/03/1998WO1998038769A2 Frame alignment of test signals in a communication system
09/03/1998WO1998038764A1 Frame-error detection method and device for error masking, specially in gsm transmissions
09/03/1998WO1998038756A1 Method and apparatus for determining radio wave propagation attenuation
09/03/1998WO1998026570A3 Communications system and method for testing of a communications apparatus
09/02/1998CN1192304A Automatic power control system for a code division multiple access (CDMA) communication system
09/02/1998CN1192090A Satellite controlled power control for personal communication user terminals
09/02/1998CN1192086A Method for managing status and dual information of clock distributor
09/01/1998US5802473 Automatic determination and tuning of pico-cell topology for low-power wireless systems
09/01/1998US5802446 Method and apparatus for testing a communication channel
09/01/1998US5802114 Method and apparatus for modulation differentiation
09/01/1998US5802105 Method and apparatus for testing a digital communication channel
08/1998
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
08/27/1998WO1998029961A3 A cellular radio system and a method for measuring the interference level
08/26/1998EP0861010A2 Method for determining the spatial distribution of the traffic load in a mobile communication system
08/26/1998CN1191304A Device and method for monitoring system environment of outdoor base station
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
08/25/1998US5799242 Communication control unit for mobile communication systems and the like, including a channel quality detection unit, a quality decision unit and a control unit
08/25/1998US5799010 Code division multiple access (CDMA) communication system
08/25/1998US5799005 System and method for determining received pilot power and path loss in a CDMA communication system
08/20/1998WO1998036577A1 Predictive coding method and decoding method for dynamic image
08/19/1998EP0859484A2 Fault restoration control method and it's apparatus in a communication network
08/19/1998EP0859237A1 Method and device for monitoring at least one antenna-branch, in particular in a car
08/18/1998US5797097 Method and apparatus for identifying the location of a roaming pager
08/18/1998US5797095 Supervisory audio tone-signalling tone(SAT-ST) handling
08/18/1998US5796776 Code sequence generator in a CDMA modem
08/18/1998US5796309 Temperature compensated wide dynamic range power detection circuitry for portable RF transmission terminals
08/14/1998CA2226539A1 Hotspot detection in a cellular radio network
08/13/1998WO1998018225A3 A real-time csma method having the capability to adaptively vary cell sizes and a wireless network for implementing the same
08/13/1998EP0867082A3 A real-time csma method having the capability to adaptively vary cell sizes and a wireless network for implementing the same
08/11/1998US5794188 Speech signal distortion measurement which varies as a function of the distribution of measured distortion over time and frequency
08/11/1998US5794153 Estimating PCS traffic from radio port measurements
08/11/1998US5794128 Apparatus and processes for realistic simulation of wireless information transport systems
08/11/1998US5793822 Bist jitter tolerance measurement technique
08/11/1998US5793805 Signal measurement system and method for measuring the signal quality of a received radio frequency signal
08/11/1998US5793753 Telecommunications network management observation and response system
08/11/1998US5793749 Method and apparatus for communications testing using a recorded test message
08/06/1998DE19703916A1 Prediction of attenuation of radio signals caused by buildings
08/05/1998EP0856961A2 Testing telecommunications apparatus
08/05/1998CN1189751A Test circuit of base station for mobile radio communication system
08/04/1998US5790944 Measurement of gain error in a base station receiver, and improvement in field strength measurement
08/04/1998US5790596 Radiotelephone communication unit displaying chronological information
08/04/1998US5790536 Hierarchical communication system providing intelligent data, program and processing migration
08/04/1998US5790471 Water/sediment interface monitoring system using frequency-molulated continuous wave
07/1998
07/29/1998CN1189073A Apparatus and method for tracking power level of received signal in code division multiple access communication system
07/29/1998CN1039371C Measurement of receiver sensitivity of radio communication apparatus by radio and optical test signals
07/28/1998US5787334 Personal monitoring device
07/23/1998WO1998032302A1 A method and apparatus for estimating path loss in a radio communications system
07/23/1998CA2277915A1 A method and apparatus for estimating path loss in a radio communications system
07/22/1998EP0854594A1 Instrument for measuring leakage power leaking to adjacent channel
07/22/1998CN1188574A Method and apparatus for implementing received signal quality measurement in radio communication system
07/21/1998US5784407 Method and device for monitoring an abnormality in digitally transmitted audio signals
07/21/1998US5784406 Method and apparatus for objectively characterizing communications link quality
07/21/1998US5784272 Control system for a process that exhibits periodic disturbances
07/21/1998US5784030 Calibration method for satellite communications payloads using hybrid matrices
07/16/1998WO1998031174A1 Method and arrangement for the controlled generation of a traffic load in mobile radio systems
07/16/1998WO1998031112A2 Method and apparatus for estimating field strength
07/16/1998WO1998024199A3 Method for load control, and radio system
07/16/1998WO1998024198A3 Method of setting load goal, and radio system
07/15/1998EP0853394A2 Method and apparatus for monitoring a failure of an optical signal
07/15/1998CN1187917A Method and apparatus for determining signal strength in spread spectrum communication system having variable data rate
07/09/1998WO1998030044A2 Channel strength measurement shifting scheme
07/09/1998WO1998029961A2 A cellular radio system and a method for measuring the interference level
07/08/1998EP0852434A2 Transmitter with high-frequency power amplifier for a communication device
07/07/1998US5778117 Device for fault localization in repeaterless transmission system
07/02/1998WO1998028862A2 Mobile radio apparatus and process for determining the receiving field intensity
07/01/1998EP0851695A2 Remote wireless communication device
07/01/1998EP0851604A2 Microcell load measurement using feedback control
07/01/1998CN1186389A SIR measurement apparatus
06/1998
06/30/1998US5774796 Airplane pilot communication aid
06/30/1998US5774785 Adaptive quality adjustment
06/30/1998US5774377 Method and apparatus for monitoring a subsystem within a distributed system for providing an archive of events within a certain time of a trap condition
06/25/1998WO1998027675A1 A method and an apparatus for determining the pathloss between a base transceiver station and a mobile station in a mobile radio network
06/25/1998DE19651334A1 Betriebstestvorrichtung und Verfahren zur Ausführung eines Betriebstests für ein zu testendes System Operation test device and method for performing an operation test for a system to be tested
06/25/1998DE19651275A1 Kommunikationssystem und Verfahren zum Testen einer Kommunikationsvorrichtung The communication system and method of testing a communication device
06/25/1998DE19651244A1 Kommunikationssystem und Verfahren zum Testen einer Kommunikationsvorrichtung The communication system and method of testing a communication device
06/24/1998EP0849966A2 Test transmitter, method and computer for testing a cellular mobile radio network
06/24/1998CN1185708A Test emission machine of testing honeycomb moving radio network, method and computer thereof
06/24/1998CN1185702A Time-division-locking indicating order circuit of power control and business channel decoding and method thereof
06/24/1998CA2221855A1 Remote wireless communication device
06/23/1998US5771443 Method and apparatus for measuring FM frequency deviation
06/18/1998WO1998026617A2 An operational test device and method of performing an operational test for a system under test
06/18/1998WO1998026616A2 Communications system and method for testing of a communications apparatus
06/18/1998WO1998026570A2 Communications system and method for testing of a communications apparatus
06/18/1998WO1998026561A2 Voice path testing in telecommunications systems
06/18/1998WO1998026511A1 Satellite controlled power control for personal communication user terminals
06/18/1998WO1998017019A3 Test method for a mobile receiver
06/18/1998DE19753657A1 Waveform quality measurement of signal converted to digital format
06/18/1998DE19742649A1 Wireless data transmission simulation method
06/18/1998CA2274802A1 Voice path testing in telecommunications systems
06/18/1998CA2274576A1 Communications system and method for testing of a communications apparatus
06/18/1998CA2274573A1 Communications system and method for testing of a communications apparatus
06/18/1998CA2274559A1 An operational test device and method of performing an operational test for a system under test
06/17/1998EP0848505A1 Satellite controlled power control for personal communication user terminals
06/17/1998EP0848260A2 Test station for electronic devices, in particular mobile telephones
06/17/1998CN1185263A Transceiver tester for cellular radio
06/16/1998US5768689 Method of supervising and testing radio equipment
06/16/1998US5768688 Radio port testing method and mobile communication system
1 ... 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 ... 295