Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
07/2002
07/10/2002EP1221213A1 Method for producing a test signal with a predetermined signal-to-noise ratio on a freely selectable output frequency
07/10/2002EP0740890B1 Testing equipment for a base station network
07/10/2002CN1358374A Reducing interference probability in reception-side channel estimation in radio telecommunication system
07/10/2002CN1358366A SIR measuring device and SIR measuring method
07/10/2002CN1358365A Method for estimating signal-to-noise ratio of digital carriers in AM compatible digital audio broadcasting system
07/10/2002CN1358364A Method and apparatus for supervising a potentially gated signal in wireless communication system
07/10/2002CN1358360A Intermittent calibrator
07/10/2002CN1358358A Array antenna radio communicaltion apparatus and calibration method
07/10/2002CN1357981A Method of testing several kinds of application protocol
07/10/2002CN1087455C Device for monitoring complex system such as aircraft
07/09/2002US6418175 Method for determining strength of co-channel signals, and a receiver
07/09/2002US6418162 Frequency spectrum measurement apparatus
07/09/2002CA2255355C A method and apparatus for interference avoidance in a wireless communication system
07/04/2002WO2002052792A1 Method for evaluating channel performance based on moment
07/04/2002WO2002032000A8 Method and apparatus employing a remote wireless repeater for calibrating a wireless base station having an adaptive antenna array
07/04/2002WO2000019731A3 Device and method for implementing handoff in mobile communication system
07/04/2002US20020087292 Water enhancement for macrocell and microcell prediction models
07/04/2002DE10108158C1 Network quality testing method for mobile radio networks establishes connections with test subscribers via different mobile networks in rotation for provision of network quality assessment
07/04/2002DE10063971A1 Location of a parked vehicle by a driver using a mobile field strength evaluation device working in conjunction with a base field strength emitter associated with the vehicle
07/03/2002EP1219054A1 Calibration of a mobile device using a loopback module
07/03/2002EP1219037A1 Method of measuring receiver sensitivity, and transceiver
07/03/2002CN2498798Y Alarm and central monitor system for telecommunication
07/03/2002CN1356788A Movable digital video monitor system for microwave
06/2002
06/27/2002WO2002051189A1 Interference measurement
06/27/2002WO2002051184A2 Method for determining the transmission quality in a transmission system and corresponding transmission system
06/27/2002WO2002051046A2 Method apparatus for reception quality indication in wireless communication
06/27/2002WO2002051045A1 Transmitter/receiver test apparatus
06/27/2002WO2002051044A1 Method and apparatus for classifying interference
06/27/2002WO2002051022A1 Radio transmission device and method for aligning parameters thereof
06/27/2002WO2002051016A2 Bidirectional signal repeater
06/27/2002WO2002009312A3 Systems and methods for measuring interference reciprocity between uplink and downlink directions in a wireless communications system
06/27/2002US20020082792 Dynamic range extension apparatus and method
06/27/2002US20020082004 Cellular communication system which enables improved interference monitoring and method of monitoring interference
06/27/2002US20020081978 Antenna RF transmission safety system and method
06/27/2002US20020081977 Method and apparatus for reception quality indication in wireless communication
06/27/2002US20020081975 Equipment lockout system
06/27/2002US20020080865 Bidirectional signal repeater
06/27/2002US20020080740 Method and apparatus for supervising a potentially gated signal in a wireless communication system
06/27/2002DE10063243A1 Verfahren zum Ermitteln der Übertragungsqualität in einem Übertragungssytem sowie entsprechendes Übertragungssystem Method for determining the transmission quality in a Übertragungssytem and corresponding transmission system
06/26/2002EP1216528A1 Estimating an indicator for a communication path
06/26/2002CN1355619A Mixed test method for public switched telecommunication network and ISDN
06/26/2002CN1355618A Flexible signal acquiring device
06/25/2002US6411235 Dynamic range extension with gain correction
06/20/2002WO2002049384A1 Method for estimating signal strengths
06/20/2002WO2002049379A1 Use of third party ultra wideband devices to establish geo-positional data
06/20/2002WO2002049378A1 Hand-off between ultra-wideband cell sites
06/20/2002WO2002049245A1 Mapping radio-frequency noise in an ultra-wideband communication system
06/20/2002WO2002049221A2 Method and apparatus for a waveform quality measurement_____
06/20/2002WO2002048837A2 System and method for device co-location discrimination
06/20/2002WO2002031987A3 Simplified quality indicator bit test procedures
06/20/2002WO2002009313A3 Communication transmission impairment emulator
06/20/2002WO2002009301A3 A communication device intervention system and method
06/20/2002US20020077536 Signal processing apparatus
06/20/2002US20020075825 Method for estimating signal strengths
06/20/2002CA2431416A1 Method and apparatus for a waveform quality measurement
06/20/2002CA2431115A1 Use of third party ultra wideband devices to establish geo-positional data
06/20/2002CA2431112A1 Hand-off between ultra-wideband cell sites
06/19/2002EP1215833A1 Method of controlling quality of service of a CDMA-based system
06/19/2002EP1215822A1 Radio transmission device and method for aligning parameters thereof
06/19/2002EP1215505A1 Circuit of correlation and demodulation of a receiver of signals modulated by a specific code
06/19/2002CN1354922A System and method for estimating power
06/19/2002CN1354912A Method and apparatus for stability margin determination in repeater
06/19/2002CN1354616A Preventive oscillating circuit
06/18/2002US6408189 Radio communication system and computer program product for controlling an operation of the radio communication system
06/13/2002WO2002047425A1 Resolving ambiguity in a cdma soft handoff
06/13/2002WO2002047424A2 Preliminary performance of handover functions in telecommunications system
06/13/2002WO2002047298A2 Method and apparatus for creating and testing a channel decoder with built-in self-test (bist)
06/13/2002WO2002047258A2 Signal processing
06/13/2002WO2002027984A3 Passive traffic channel and messaging testing for cdma systems
06/13/2002WO2002015415A3 Communication protocol for interconnected hazardous condition detectors, and system employing same
06/13/2002US20020072359 System and method for performing diagnostics on a mobile station using over-the-air transfer of interpreted byte-code program
06/13/2002US20020072339 Transmitter and wireless communication device
06/13/2002US20020072334 Method and apparatus for measuring output power of devices for mobile communications
06/13/2002US20020072333 Method and apparatus for policy-based charging for telecommunications services
06/13/2002US20020071406 Method of calibrating receive and/or transmit systems driving an array of active antennas and corresponding mobile station
06/13/2002US20020071403 Method and system for performing a CDMA soft handoff
06/13/2002US20020070766 Signal detection scheme for data communication links
06/12/2002EP1213854A2 Capacity management in a CDMA system
06/12/2002EP1213846A2 Code division multiple access communication system
06/12/2002EP1213845A2 Code acquisition in a CDMA communication system
06/12/2002EP1212845A2 Power estimation method
06/12/2002EP1212839A1 System and method for accurately predicting signal to interference and noise ratio to improve communications system performance
06/12/2002CN1353886A Radio device and method of calibration of antenna directivity
06/11/2002US6405147 Signal transfer device measurement system and method
06/11/2002US6405045 Dynamic overload control device and method in digital mobile communication system
06/11/2002US6405036 Method and arrangement in a telecommunication system
06/06/2002WO2002045325A1 Communication terminal and method of wireless communication
06/06/2002WO2002030136A3 System and method for quantifying accuracy of interference analysis in a wireless telecommunications network
06/06/2002WO2002027983A3 Distance to fault measurement using multi-path cdma signals
06/05/2002EP1211907A1 Base station apparatus and channel assignment method
06/05/2002EP1211815A2 Oscillation prevention circuit
06/05/2002EP1210781A1 Dense wavelength division multiplexer (dwdm) monitoring system
06/05/2002EP1023786B1 Methods and apparatus for measuring nonlinear effects in a communication system and for selecting channels on the basis of the results
06/05/2002CN1086077C Equipment for measuring signal transmission time of a digit transmission device
06/05/2002CN1086074C Reception method and receiver
06/05/2002CN1086064C Temperature compensated wide dynanic range power detection circuitry for portable RF transmission terminals
05/2002
05/30/2002WO2002043289A1 Device for optimising a transmitter in accordance with transmission conditions, and reference receiver and transmitter for use in said device
05/30/2002WO2002043287A1 Component measures
05/30/2002WO2001091343A3 Dynamic quality of service monitor
05/30/2002WO2001033769A3 A method and apparatus for the detection and classification of collisions on a shared access rf network