Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
06/2004
06/17/2004US20040116111 Measurement based prediction method for radiation path loss
06/17/2004US20040116099 Device for receiving digital signals
06/17/2004US20040114692 Wireless apparatus employing multi-level QAM and method for estimating threshold value
06/17/2004US20040114505 Method and an apparatus for a waveform quality measurement
06/17/2004CA2453711A1 Methods and systems for tracking of amplitudes, phases and frequencies of a multi-component sinusoidal signal
06/16/2004EP1429572A1 Reception determination method and system of ray, and radio wave propagation characteristic estimation method using them
06/16/2004EP1429477A2 Optical power measuring system, terminal station and repeater therefor
06/16/2004EP1429476A2 Optical power measuring system, terminal station and repeater therefor
06/16/2004EP1429475A2 Optical power measuring system, terminal station and repeater therefor
06/16/2004EP1428374A1 Process, arrangement, devices for seizure of a shared telephone line
06/16/2004EP1428000A1 Apparatus for testing aramid fiber elevator cables
06/16/2004CN1505368A System and method for measuring traffic volume distributed among areas
06/16/2004CN1505289A Data signal detection apparatus
06/16/2004CN1505288A Wireless communication system, wireless microphone and controlling method thereof
06/16/2004CN1505278A Method and apparatus for determining characteristics of components of a communication channel under load
06/16/2004CN1505277A Method for detecting telecommunication system transmission pulse, receiver and computer program product
06/16/2004CN1504364A Method for processing radio waves, and audio system utilizing the method
06/16/2004CN1154391C System and method for measuring channel quality information in a communication system
06/15/2004US6751466 Radio communication apparatus
06/15/2004US6751413 Channel mask definition for monitoring wavelength division multiplexing transmission systems
06/10/2004WO2004048994A1 Ranging and positioning method and apparatus
06/10/2004WO2004048909A2 Compressed vector-based spectral analysis method and system for nonlinear rf blocks
06/10/2004US20040110518 Methodology and system for generating a three-dimensional model of interference in a cellular wireless communication network
06/10/2004US20040108953 Method and device for the calibration-equalization of a reception system
06/09/2004EP1427233A1 Method and device for simulating operating conditions of a mobile telecommunication system
06/09/2004EP1425885A1 Method and system for transmitting data from a first data network into a second data network
06/09/2004EP1425868A1 Radio station and radio system with modeling of multipath propagation
06/09/2004EP1425867A1 Radio station with multipath signal modeling
06/09/2004CN1504053A Switching between ultrawide broadband cell
06/09/2004CN1503482A Method and device for detecting the prepagation environment of radio waves
06/09/2004CN1503481A Method for testing clock reverse delay system of transmission equipment
06/09/2004CN1503480A Method for testing business monoboard
06/09/2004CN1153498C Channel strength wrap measurement scheme
06/09/2004CN1153403C Apparatus and method for generating pseudorandom quantities based upon radio channel cahracteristics
06/09/2004CN1153384C Testing device and method
06/08/2004US6748351 Modular covert remote electronic warfare simulator
06/08/2004US6748212 Method and apparatus for backhaul link diagnostic in a wireless repeater system
06/08/2004US6748031 Method of parameter estimation and receiver
06/08/2004US6747969 Transmission gap interference measurement
06/08/2004US6747594 Calibration of differential frequency-dependent characteristics of a radio communications system
06/03/2004US20040106407 Method for changing over to different frequency at cellular phone system and cellular phone system using the method and base station controlling apparatus in the system
06/03/2004US20040106400 System for monitoring mobile communication performance
06/03/2004US20040106398 Method and apparatus for remote control of an audio source such as a wireless microphone system
06/03/2004US20040106388 Method for processing radio waves, and audio system utilizing the method
06/03/2004US20040106381 Transmit signal cancellation in wireless receivers
06/03/2004US20040106380 Direct-conversion transceiver enabling digital calibration
06/03/2004US20040106378 Circuit connection restoration method and program for restoring connection in short time
06/03/2004US20040105684 Optical dispersion monitoring apparatus and optical dispersion monitoring method, and optical transmission system using same
06/03/2004US20040105382 Radio reception apparatus
06/03/2004US20040104857 Method for testing a measurement recording device and corresponding testing device
06/03/2004US20040104843 Polarized wave measuring apparatus, and antenna characteristic measuring apparatus and radio wave measuring apparatus using the same
06/02/2004EP1424817A2 Circuit connection restoration method and program for restoring connection in short time
06/02/2004EP1424796A1 A method for detecting bursts in a telecommunication system
06/02/2004EP1424791A1 INTERFERENCE WAVE POWER MEASUREMENT APPARATUS, TRANSMISSION POWER CONTROL APPARATUS, AND METHOD
06/02/2004EP1424783A2 Method and device for detecting the propagation environment of radio waves
06/02/2004EP1423954A1 Encoding and decoding ultra-wideband information
06/02/2004EP1082827B1 System and method for antenna failure detection
06/02/2004CN1502184A Method and an apparatus for a waveform quality measurement
06/02/2004CN1501722A Construction method and implement method of RTD acquisition system
06/02/2004CN1501653A Receiving apparatus, transmitting apparatus, and reception method
06/02/2004CN1501603A Method for implementing parallel script execution
06/02/2004CN1501602A Communication performance testing method
06/02/2004CN1501601A Automatic monitoring apparatus and monitoring system and monitoring method based on the same
06/02/2004CN1152587C Automatic detecting module for antenna isolating level of direct amplifying station with wireless transmission
06/02/2004CN1152508C Method for retransmission of information and apparatus thereof
06/02/2004CN1152494C Analog orthogonal modulation unbalance compensating method
06/02/2004CA2451880A1 Method of simulating operating conditions of a telecommunication system requiring a limited amount of computing power
06/01/2004US6745060 Signal processing apparatus
06/01/2004US6745038 Intra-piconet location determination and tomography
06/01/2004US6745012 Adaptive data compression in a wireless telecommunications system
06/01/2004US6745007 Method and apparatus for stability margin determination in a repeater
06/01/2004US6744813 System and method for estimating noise characteristics in the presence of non-stationary noise
06/01/2004US6744809 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
06/01/2004US6744743 Method and apparatus for controlling transmissions of a communications system
06/01/2004US6744247 Method and measuring device for measuring the spectra in adjacent channels
05/2004
05/27/2004WO2004045238A1 Method, apparatus, and system for receiving data on a first frequency band and observing a second frequency band
05/27/2004WO2004045118A2 Composite channel quality estimation techniques for wireless receivers
05/27/2004WO2004045085A2 Method and apparatus for determining signal-to-interference ratio with reduced bias effect
05/27/2004WO2004045065A2 Accurate power detection for a multi-stage amplifier
05/27/2004WO2004044606A2 Apparatus and method for tracking the location and position of an individual
05/27/2004WO2004025841A3 Techniques for correcting for phase and amplitude offsets in a mimo radio device
05/27/2004WO2004021029A3 Procedure for detection of an interfering multi-path condition
05/27/2004US20040102203 Parameter estimation for adaptive antenna system
05/27/2004US20040102192 Method and system for discovery and display of operating wireless networks
05/27/2004US20040102187 Method of and system for testing equipment during manufacturing
05/27/2004US20040102167 Method for displaying received signal strength bars in wireless terminal device
05/27/2004US20040102162 Device for receiving digital signals
05/27/2004US20040102158 Calibration of signal strength measurements in a cellular communications system
05/27/2004US20040100244 Frequency analyzing method, frequency analyzing apparatus, and spectrum analyzer
05/27/2004CA2505035A1 Method and apparatus for determining signal-to-interference ratio with reduced bias effect
05/26/2004EP1422962A1 Cellular network acquisition method and apparatus
05/26/2004EP1422848A2 Frequency burst SNR estimation
05/26/2004EP1422845A2 Optical dispersion monitoring method and apparatus
05/26/2004EP1422836A1 Method and apparatus for rate determination in a communication system
05/26/2004CN2618376Y Long-range monitoring terminal
05/26/2004CN1500323A Wireless clock synchronization
05/26/2004CN1499857A Array antenna transceiver and calibrating method of transmission route used for same
05/26/2004CN1499812A System for implementing monitoring and alarming by using function of short message in communication network
05/26/2004CN1499763A Method and equipment for reaching synchronization to base station
05/26/2004CN1499750A System and method for monitoring iamge transmission in realtime