Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
09/2009
09/15/2009US7590387 High accuracy voltage controlled oscillator (VCO) center frequency calibration circuit
09/15/2009US7590386 Method for control of contention-based wireless access
09/15/2009US7590196 Chiral mixture detection system using double reference lock-in detector
09/15/2009US7590172 Low bias estimation of small signal-to-noise ratio
09/15/2009US7590170 Method and apparatus for measuring jitter
09/11/2009WO2009110839A1 Reverse link optimized channel quality estimation
09/11/2009WO2009110756A1 Method of measuring interference
09/11/2009WO2009109340A1 Method for generating multi-antenna signals
09/10/2009US20090228742 Trace functionality in a mobile device
09/10/2009US20090227210 Method and System for Signal Quality Measurement Based on Mean Phase Error Magnitude of a Signal
09/10/2009US20090227209 Reverse link optimized channel quality estimation
09/10/2009US20090227208 Mobile Station And Antenna Verification Controlling Method For Mobile Station
09/10/2009US20090226164 Predictive end-to-end management for SONET networks
09/10/2009US20090226163 System and method for optical transmission
09/10/2009US20090225821 Methods and apparatus to detect an imbalanced subscriber line in a digital subscriber line (dsl) system
09/10/2009US20090225820 Closed loop power normalized timing recovery for 8 vsb modulated signals
09/10/2009DE102008011346A1 Selbstdiagnostizierende Kommunikationsvorrichtung Auto diagnostic communication device
09/09/2009EP2099246A1 Improved path loss measurements in wireless communications
09/09/2009EP1606959B1 Independently acquiring and tracking wireless communication system signaling channel assignments on communication links
09/09/2009EP1303999B1 Method and system for monitoring and controlling working components
09/09/2009CN201307858Y Radio-area internet video monitoring device based on change of small wave packet
09/09/2009CN101527921A Pattern detection circuit and method, and base station and mobile communication system using the same
09/09/2009CN101527919A Method and device for matched filtering in combined detection
09/09/2009CN101527918A Method for multipath measurement of wireless channel
09/09/2009CN101527662A Method for optimizing high-speed channel and device thereof
09/09/2009CN101527606A Railway TV monochromatic network signal overlapping area tester
09/09/2009CN101527605A Three-phase four-wire low-voltage synchronous attenuation device
09/09/2009CN101527604A Method and device for automatic calibration of power for transmitter modules
09/09/2009CN101524271A Electrocardio cellphone monitoring method without base station or satellite signal
09/09/2009CN100539479C Method for enlarging measuring window in TDMA mobile communication system
09/09/2009CN100539478C Time-delay regulating method for analog amplitude modulation broad casting transmitter changing to digital broadcasting transmitter
09/08/2009US7587201 Network apparatus capable of confirming whether a device is operating properly after a change of communication settings
09/08/2009US7587183 Multi-frequency antenna assemblies with DC switching
09/08/2009US7587174 Antenna unit and radio base station therewith
09/08/2009US7586884 Joint packet detection in wireless communication system with one or more receiver
09/08/2009US7586672 Optical transmission system
09/03/2009WO2009108831A2 A tunable optical discriminator
09/03/2009WO2009108719A1 Vehicle security and monitoring system
09/03/2009WO2009106513A1 Method and computer program for estimating signal quality value, and signal quality estimator, receiver and communication apparatus
09/03/2009WO2009106129A1 Method and device for determining a signal quality and system comprising said device
09/03/2009WO2009061971A3 Embedded module receiver noise profiling
09/03/2009WO2009057083A3 Cognitive network
09/03/2009US20090222401 Detecting Presence/Absence of an Information Signal
09/03/2009US20090221329 Reliability detection of channel quality indicator (cqi) and application to outer loop power control
09/03/2009US20090221251 Methods of detection of received signal in communication system
09/03/2009US20090221250 Methods and apparatus for handling a signaling message the relates to transmission rate restrictions
09/03/2009US20090221246 Method and system for calibrating quadrature modulators
09/03/2009US20090221239 Weighted open loop power control transmitter
09/03/2009US20090221238 Transmitting apparatus and transmitting method of base station, and receiving apparatus and communication method of ue in mobile communication system
09/03/2009US20090221237 Data sending and receiving apparatus and method
09/03/2009US20090221235 Dynamic reference frequency for fractional-n phase-locked loop
09/03/2009US20090219980 Feedback System and Apparatus for Video Compensation
09/03/2009US20090219944 Methods and devices for allocating frequency ranges
09/03/2009US20090219893 Method and Apparatus for Soft Handover Area Detection Using Inter-Band Measurements
09/03/2009US20090219889 Method and Apparatus for Utilizing Synchronization Information
09/03/2009US20090219852 Method of controlling relay communication
09/03/2009DE102008011122A1 Verfahren und System zur Bandbreitendetektion Method and system for bandwidth detection
09/03/2009CA2713638A1 A tunable optical discriminator
09/02/2009EP2096878A1 Cellular system, communication path quality measuring method, base station, and mobile station
09/02/2009EP2096782A2 Operation of a forward link acknowledgement channel for the reverse link data
09/02/2009EP2096776A2 Noise power estimation apparatus and method
09/02/2009EP2096774A1 Method and computer program for estimating signal quality value as well as signal quality estimator, receiver and communication apparatus
09/02/2009EP2096773A1 Data sending and receiving apparatus and method
09/02/2009EP2095661A2 Handling of idle gap commands in a telecommunication sysytem
09/02/2009EP2095556A2 Method and arrangement in a telecommunication system
09/02/2009EP2095535A1 Calibration in a spread spectrum communications system
09/02/2009EP2095528A2 Method for transmit power control dependent on subband load
09/02/2009EP2095523A1 Efficient delay profile computation with receive diversity
09/02/2009CN201303331Y Radio-frequency line loss calibrator
09/02/2009CN201303330Y Ultra high frequency (UHF) radio-frequency power detection device
09/02/2009CN101523778A Methods and apparatus for determining, communicating and using information which can be used for interference control purposes
09/02/2009CN101523777A Methods and apparatus for power measurement in a communication system
09/02/2009CN101523776A Monitoring apparatus and system
09/02/2009CN101523775A Method and arrangement for noise floor estimation
09/02/2009CN101523774A Wireless diagnostic systems
09/02/2009CN101521925A Method for lowering cognitive radio network communication interruption probability
09/02/2009CN101521896A Cooperative spectrum sensing method based on likelihood ratio in cognitive radio
09/02/2009CN101521548A Noise power estimation apparatus and method
09/02/2009CN101521547A Wireless communication device with built-in channel simulator and noise generator
09/02/2009CN101521546A Calibration network device of smart antenna
09/02/2009CN101521524A Frequency error testing method for TD-SCDMA signals
09/02/2009CN101520325A Automatic monitor for angle of base station antenna and automatic monitoring method
09/01/2009US7584501 System and method for authorizing use of a connection device coupled to a processing system
09/01/2009US7583983 Adaptive array wireless communication apparatus, reception level display method, reception level adjusting method, reception level display program, and reception level adjusting program
09/01/2009US7583933 Dynamic frequency selection in a wireless communication network
09/01/2009CA2379870C Testing response of a radio transceiver
09/01/2009CA2325110C A method of modeling a cdma cellular telephone system
08/2009
08/27/2009WO2009105442A1 Fft-based estimation of thermal noise and rise-over-thermal in a wireless communication system
08/27/2009WO2009105122A1 Signal quality estimation for ofdma systems
08/27/2009US20090215443 Cellular Drive Test System Network
08/27/2009US20090215401 Apparatus and method for determining channel quality indicator (CQI) using beamforming in multi-antenna system
08/27/2009US20090215400 Pilot signal transmission management
08/27/2009US20090215399 Signal processing in electronic apparatus
08/27/2009US20090214203 Method and System for Automatic Feedback Control for Fine Tuning a Delay Interferometer
08/27/2009US20090214200 tunable optical discriminator
08/27/2009US20090213964 Radio detection device and method
08/27/2009US20090213919 Signal quality estimation for ofdma systems
08/27/2009US20090213918 Separating jitter components in a data stream
08/27/2009US20090213917 Self-calibrating signal reconstruction system
08/27/2009US20090213910 Code Power Estimation for MIMO Signals