Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
05/2002
05/30/2002US20020066055 Apparatus and method for testing bit error rate of DSRC ITS system
05/30/2002US20020064288 Adaptive noise level estimator
05/30/2002US20020064133 Simplified quality indicator bit test procedures
05/29/2002EP1209938A1 System and method for measuring propagation delay in an narrowband TDD CDMA mobile communication system
05/29/2002EP1209831A2 Method of managing and monitoring performances in digital radio systems
05/29/2002EP1209824A1 Base station unit and method for radio communication
05/29/2002EP1209475A1 Data-compensating power measurement
05/28/2002US6397154 Correlation method for surveillance device detection
05/28/2002US6397090 Power saving device for radio communication terminal
05/28/2002US6397070 Method and apparatus for estimating reverse link loading in a wireless communication system
05/28/2002US6397063 Air-surface test system and method to evaluate potential wireless base station sites
05/28/2002US6397062 Multiple antenna test system and method to simultaneously evaluate multiple elevations of potential wireless base station sites
05/28/2002US6396573 System and method for optically testing broadcasting systems
05/28/2002US6396393 Transmitting device, receiving device, and receiving method
05/23/2002WO2002041651A2 Methods and apparatus for identifying asset location in mobile co mmunication networks
05/23/2002WO2002041545A2 Wireless clock synchronization
05/23/2002WO2002041540A1 Apparatus and method for measuring propagation delay in an nb-tdd cdma mobile communication system
05/23/2002WO2002041539A1 Method and device for evaluating the energy level of a radio signal
05/23/2002WO2002041538A1 Method of radio channel simulation and channel simulator
05/23/2002WO2002041537A1 Antenna system
05/23/2002WO2002041528A1 An apparatus and method for load monitoring and prediction
05/23/2002WO2002041504A2 Methods and apparatus for identifying asset location in communication networks
05/23/2002US20020061732 Oscillation prevention circuit
05/23/2002US20020061058 Subscriber loop repeater loopback for fault isolation
05/23/2002CA2398781A1 Wireless clock synchronization
05/22/2002EP1207638A1 Communication system, field strength compensation method in communication system, and base station and terminal station for radio communication system
05/22/2002EP1207633A1 Reception level measuring system
05/22/2002CN1350734A A method for noise energy estimation m TDMA systems
05/22/2002CN1350392A Method for measuring and improving data subscriber transmitting characteristics
05/22/2002CN1350374A Multiple-job load monitoring and forecasting device in CDMA cellular communication system and its calculation method
05/21/2002CA2363193A1 Oscillation prevention circuit
05/16/2002WO2002039626A1 Desired wave/interference power ratio measuring circuit and desired wave/interference power ratio measuring method
05/16/2002WO2002039230A2 Network quality of service localizer
05/16/2002US20020059535 Wireless clock synchronization
05/16/2002US20020058503 Path loss data normalization for growth management of a cellular system
05/16/2002US20020057735 Optimizing of channel equalizer
05/16/2002US20020057476 Collective detection method and detection system for wavelength fluctuations in wavelength division multiplexing optical communication system, and wavelength division multiplexing optical transmission apparatus equipped with this detection system
05/16/2002CA2429046A1 Network quality of service localizer
05/15/2002EP1206050A1 Radio base station unit and radio communication method
05/15/2002EP1205034A1 Dynamic adaptive modulation negotiation for point-to-point terrestrial links
05/15/2002EP1205033A1 Estimating interference in a communication system
05/15/2002CN2492013Y Portable information/command tester
05/15/2002CN1349693A Data transmission device and method
05/15/2002CN1349366A Antenna weighting estimating method, and mobile communication terminal
05/15/2002CN1349352A Digital real-time imaging monitoring method
05/14/2002US6389281 Method for automatically testing a base transceiver station in a mobile telecommunication system
05/14/2002CA2281345C Automated in situ testing of railroad telemetry radios
05/10/2002WO2002037694A2 SPECIAL SIGNALING FOR PERCEPTUAL QoS MEASUREMENT
05/10/2002WO2001048965A3 Automatic testing of wireless translator base stations
05/09/2002US20020055342 System and method for receiving a signal
05/09/2002US20020054583 Automatic gain control for a time division duplex receiver
05/08/2002EP1203465A1 Test apparatus for rf receiver
05/08/2002EP1203340A1 Unified analog/digital waveform software analysis tool with video and audio signal analysis methods
05/08/2002CN2490768Y TV. presentation audio monitoring alarm
05/08/2002CN1084556C 通信方法 Communication method
05/07/2002US6385467 Circuit and method for notifying ringer failure
05/07/2002US6385237 Non-invasive digital cable test system
05/07/2002US6385236 Method and Circuit for testing devices with serial data links
05/07/2002US6384789 Apparatus for testing mobile telephones
05/02/2002WO2002035786A1 Devices for identifying an interfering signal of a radio signal with substantially constant module
05/02/2002WO2002015417A3 Systems and methods for determining signal coverage
05/02/2002WO2001076092A3 Dynamically adjusting integration interval based on a signal strength
05/02/2002EP1202253A2 Adaptive noise level estimator
05/02/2002EP1201051A1 Testing response of a radio transceiver
05/02/2002EP1201048A1 Method for improving the quality of data transmission
05/02/2002EP1200851A1 Method for determining a change in a communication signal and using this information to improve sps signal reception and processing
05/02/2002EP1200845A1 Method and device for near-field measuring of non-controlled radiation
05/02/2002DE10052626A1 Adaptiver Geräuschpegelschätzer Adaptive noise estimator
05/01/2002CN1347599A Quality control method for digital radio transmissions in medium and short wave range
05/01/2002CN1347230A 网络测试仪器 Network Test Equipment
05/01/2002CN1084117C Spectrally efficient high capacity wireless communication systems
05/01/2002CN1084101C Controller for implementing received signal quality measurement in radio communication system
04/2002
04/30/2002US6381465 System and method for attaching an advertisement to an SMS message for wireless transmission
04/30/2002US6381269 Test system with signal injection network for characterizing interference and noise tolerance in a digital signal link
04/30/2002US6381264 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
04/25/2002US20020048062 Wavelength division multiplexing optical communication system and wavelength division multiplexing optical communication method
04/25/2002DE10140813A1 Radiowellenüberwachungsverfahren und -Anordnung Radio wave monitoring method and arrangement
04/25/2002DE10050330A1 Signal strength compensation device for mobile radio receiver uses mean value of signal strength for previously received data symbols
04/24/2002EP1198965A1 Mobile station supervision of the forward dedicated control channel when in the discontinuous transmission mode
04/24/2002EP1198901A1 Method and apparatus for estimating reverse link loading in a wireless communication system
04/24/2002EP1198716A1 Circuit arrangement and method for verifying a switching diversity system
04/24/2002EP0835593B1 Code division multiple access (cdma) communication system
04/24/2002CN1346190A Method for structuring user's training sequence
04/24/2002CN1083677C Mobile radio with transmit command control and mobile radio system
04/24/2002CN1083668C Mobile radio communiation system and channel control method therefor
04/24/2002CN1083652C Method for extimating a channel parameter in digital radio frequency communication system
04/23/2002US6375344 Data capture system with communicating and recharging docking apparatus and hand-held data terminal means cooperable therewith
04/23/2002CA2199310C Method for determining organization parameters in a wireless communication system
04/18/2002WO2002032164A2 A system and method for applying reciprocity for downlink interference identification
04/18/2002WO2002032018A2 Time slot structure and automatic gain control method for a wireless communication system
04/18/2002WO2002032000A1 Method and apparatus employing a remote wireless repeater for calibrating a wireless base station having an adaptive antenna array
04/18/2002WO2002031992A2 Signal strength compensation for mobile radio channels that considerably vary with time
04/18/2002WO2002031987A2 Simplified quality indicator bit test procedures
04/18/2002US20020044659 Broadcast verification system, broadcast verification method, broadcast verification apparatus and storage medium storing broadcast verification program
04/18/2002US20020044540 Method of allocating a transmission power level to pilot symbols used for estimating the channel of a transmission system of the multicarrier type with spreading of the signal in the frequency domain by spreading sequences
04/18/2002US20020044314 Optical transmission path monitoring system, monitoring apparatus therefor and monitoring method therefor
04/18/2002CA2425464A1 Automatic gain control for a time division duplex receiver
04/18/2002CA2425436A1 Simplified quality indicator bit test procedures
04/17/2002EP1198112A2 Method of measuring and improving xDSL transmission characteristics
04/17/2002EP1020091B1 Method and apparatus for increasing the data rate by reduction of training data