Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
07/2003
07/03/2003WO2003055083A2 Method for implementing a communication transceiver impairment emulator
07/03/2003US20030124982 Antenna system for GSM/WLAN radio operation
07/03/2003US20030123561 QAM receiver
07/03/2003US20030123425 Method and apparatus for controlling transmissions of a communications system
07/02/2003EP1324627A1 Radio base station and program for radio base station
07/02/2003EP1323289A1 Accepting and conveying a voice mail message
07/02/2003EP1323239A1 Method and arrangement in a communication system
07/02/2003EP1108297B1 Method and device for measuring the transmission quality of a transmission channel
07/02/2003EP0937312B1 Antenna adapter
07/02/2003CN2558998Y Replaceable test casing of module
07/02/2003CN1428024A Dynamically adjusting integration interval based on signal strength
07/02/2003CN1427648A Method and apparatus for determining interference mobile terminal by change in power regulating
07/02/2003CN1427562A Method of operating mistake capture and recording of embedded type real time operation system
07/02/2003CN1427561A VXI module capable of function reconfiguration
07/02/2003CN1113490C Optical module for light-time domain reflectometer with wide dynamic range
07/02/2003CN1113480C Transponder communication device
07/01/2003US6587687 Multiple satellite fade attenuation control system
07/01/2003US6587686 Method and apparatus for detecting base station transceivers malfunctions
07/01/2003US6587677 Apparatus for measuring specific absorption rates
06/2003
06/26/2003WO2003052968A1 Transmit power control for multiple rate wireless communications
06/26/2003US20030119460 Transmitted power level indicator
06/26/2003US20030119450 Communications receivers and methods therefor
06/25/2003EP1322054A1 A method and system for power control of a wireless communication device, and a wireless communication device
06/25/2003EP1322052A2 Supervisory signalling for optical communications equipment
06/25/2003EP1076989B1 Determining the quality of telecommunication services
06/25/2003EP0781474B1 A reception method, and a receiver
06/25/2003CN1426663A Method and device for reducing radio link supervision time in high data rate system
06/25/2003CN1426638A Apparatus, method and program for communication test, and recorded medium on which that program has been recorded
06/25/2003CN1426183A Intelligent for distance network monitoring system based on production site
06/24/2003US6584331 Use of received signal strength indicator (RSSI) and global positioning system (GPS) to reduce power consumption in mobile station
06/24/2003US6584303 Method and apparatus for automatically identifying a function module in a modular transceiver system
06/19/2003WO2003051076A1 Method and apparatus for testing traffic and auxiliary channels in a wireless data communication system
06/19/2003US20030114127 Transmit power control for multiple rate wireless communications
06/19/2003US20030114111 Method of verifying operation of listening control channel
06/18/2003EP1320204A1 Method and apparatus using variations in power modulation to identify an interfering mobile terminal
06/18/2003EP1319276A2 Method and apparatus for determining an operating condition in a communications system using antenna arrays
06/18/2003EP1319258A2 Continuity testing in communication networks
06/18/2003EP1131896B1 Method and apparatus for saving current while performing signal strength measurements in a homodyne receiver
06/17/2003US6580920 System for adjusting gain of a mobile station during an idle period of the serving base station
06/17/2003US6580898 Supervisory system and method
06/17/2003US6580847 Multistage photonic switch fault isolation
06/17/2003US6580746 System and method for acquiring a received signal in a spread spectrum device
06/17/2003CA2100225C Spectrum sharing communications system and system for monitoring available spectrum
06/12/2003WO2003049466A1 Method and apparatus for optimal utilization of a radio channel based on cognition model data
06/12/2003WO2003049411A1 Communications system comprising a cordless modem for portable computers
06/12/2003WO2003049337A1 Method, arrangement and communication receiver for snir estimation
06/12/2003US20030108028 Method and device for evaluation of a radio signal
06/12/2003US20030108026 Power level detection for mobile communication system
06/12/2003CA2468766A1 Method and apparatus for optimal utilization of a radio channel based on cognition model data
06/11/2003EP1318624A1 Data acquisition system and mobile terminal
06/11/2003EP1318623A2 Method for obtaining field strength information
06/11/2003EP1317806A1 Method and device for measuring cavitation
06/11/2003EP1317706A1 System and method for efficiently visualizing and comparing communication network system performance
06/11/2003CN1423433A Outdoor communication equipment environment and power apparatus monitoring method and system
06/11/2003CN1111340C Method for continuously searching origin public land mobile network
06/10/2003US6577603 Method for determining speed of terminal, and receiver
06/05/2003WO2003047184A1 System and method for fair, channel-dependent scheduling for wireless systems
06/05/2003WO2003047132A1 Method and apparatus for simulating radio channel
06/05/2003WO2003047124A1 Method for determining a gain offset between transmission channels
06/05/2003US20030105990 Communication method and communication system
06/05/2003US20030105784 Method for shared estimation of parameters
06/05/2003US20030104795 Method and circuit for obtaining field strength information
06/05/2003US20030103488 Ambient field level monitor device for radio mobile terminal
06/05/2003US20030103477 Radio base station,method for controlling the same and program recorded medium
06/05/2003US20030103476 Method for measuring confusion rate of a common packet channel in a CDMA communication system
06/05/2003US20030102933 Method and system for determining transmission path delay
06/04/2003CN1422465A Wavelength division multiplex (WDM) singnal monitor
06/04/2003CN1422092A Radio communication apparatus
06/04/2003CN1422025A Method for determining electric field state of mobile station and simultaneously considering up-link electric field status
06/04/2003CN1422017A Shunt system for controlling transmitting path according to customer identification information and method thereof
06/04/2003CN1422016A Method of monitoring and alarming in interactive mode in local area network
06/04/2003CN1422015A Cable modem producing and testing method and system
06/04/2003CN1110911C Determination method and system of received signal strength
06/03/2003US6574453 Response determination method, communication method, and wireless transceiver
06/03/2003US6574308 Digital subscriber line diagnostic system
05/2003
05/30/2003WO2003044997A1 Wireless receiver
05/30/2003WO2002041545A9 Wireless clock synchronization
05/29/2003US20030100312 Radio communication apparatus
05/29/2003US20030100265 Signal jitters detection system and its correction method
05/29/2003US20030099306 Method and apparatus for channel estimation using plural channels
05/29/2003US20030099249 System and method for fair, channel-dependent scheduling for wireless systems
05/29/2003US20030098809 Calibration of differential frequency-dependent characteristics of a radio communications system
05/28/2003EP1315324A1 Method and apparatus for determining and controlling the power of a digital complex subscriber signal
05/28/2003EP1315317A2 Apparatus for detecting cutoff of optical signal, optical receiver, optical transmitter, and corresponding method
05/28/2003EP1315236A2 Active receiving antenna array
05/28/2003EP1238390A4 Differentiation of error conditions in digital voice communication systems
05/28/2003CN1420694A Method and device for control of power in mobile communication system
05/28/2003CN1420693A Method for controlling multichannel, and circuit for carrying out same
05/28/2003CN1420646A Method for measuring channel gain and gain error, delay and phase error
05/28/2003CN1420645A Method for detection communication speed of apparatus by received information
05/28/2003CN1420644A Radio data monitor
05/28/2003CN1109878C Device and method for monitoring system environment of outdoor base station
05/27/2003US6571082 Wireless field test simulator
05/27/2003US6570935 Method and system for demodulating a receive signal including a pilot signal
05/27/2003US6570932 Calculation and verification of transmit power levels in a signal point transmission system
05/27/2003US6570910 Baseband processor with look-ahead parameter estimation capabilities
05/27/2003US6570527 Calibration of differential frequency-dependent characteristics of a radio communications system
05/27/2003CA2119199C Dual stage rssi handoff trigger
05/22/2003WO2003043258A1 Weighted wireless early detection
05/22/2003US20030096638 Adaptive array device, wireless base station and cellular telephone