Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
01/2009
01/06/2009US7474852 System for communication of video, audio, data, control or other signals over fiber
01/06/2009US7474851 Optical transceiver tester
01/06/2009US7474850 Reroutable protection schemes of an optical network
01/06/2009US7474644 Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system
01/06/2009US7474628 Channel quality estimation method and channel quality estimation apparatus
01/06/2009US7474626 Detection of cloned communication units
01/06/2009CA2465014C Modulation apparatus for reducing time delay of on-channel repeater in terrestrial digital tv broadcasting system
01/02/2009DE102007029443A1 Method for displaying sampled amplitude values of telecommunication signal, involves selecting sampled amplitude values from recording buffer, and writing selected amplitude value from sampled amplitude values in display buffer
01/02/2009DE102006009634B4 Hochpräzise Prüfung von Telematikeinrichtungen für Fahrzeuge High-precision testing of telematics devices for vehicles
01/01/2009US20090005073 Method and System for Using Signal Quality Information
01/01/2009US20090004986 Method of feeding back channel information and receiver for feeding back channel information
01/01/2009US20090004979 Method of controlling communication mechanism utilized to arbitrate transmissions of wireless signals and communication apparatus utilizing the same
01/01/2009US20090004974 System, apparatus and method for associating an anticipated success indication with data delivery
01/01/2009US20090003426 Adaptive Error Counter for a Wireless Field Device
01/01/2009US20090003425 Inter-carrier Interference Measurement In Orthogonal Frequency Division Multiplexing Systems
01/01/2009US20090003299 Method for clear channel assessment optimization in a wireless local area network
12/2008
12/31/2008WO2009000368A1 Method for generating a signal train which can be played back on a tester for testing a mobile radio
12/31/2008WO2007133970A3 Estimation of speed and direction of travel in a wlan positioning system
12/31/2008EP2009818A2 Reception quality measurement method, transmission power control method and devices thereof
12/31/2008EP2008382A2 Method for testing embedded wireless transceiver with minimal interaction between wireless transceiver and host processor during testing
12/31/2008EP2008381A1 Method for transferring power information used by a telecommunication device for weighting at least one pilot signal
12/31/2008EP2008375A1 Receiver and receiving method
12/31/2008CN201174773Y Central monitored split type apparatus
12/31/2008CN201174772Y Repeater having leak cord monitoring function
12/31/2008CN201174704Y TD-SCDMA power tester
12/31/2008CN101335981A Carrier distribution method of tri-carrier TD-SCDMA system
12/31/2008CN101335977A Distance measuring signal transmitting method, system and apparatus in OFDM system
12/31/2008CN101335969A Transmission method of TDD system uplink channel measurement reference signal
12/31/2008CN101335967A Systematic simulation method and apparatus for wireless communication system
12/31/2008CN101335965A Node B simulated loading method under RNC centralized control
12/31/2008CN101335962A Signal generating method and apparatus under analogue cellular network environment
12/31/2008CN101335961A Method for continuously tracking destined user on NodeB
12/31/2008CN101335583A Periodic update of radio channel quality index
12/31/2008CN101335576A Wireless broadcast terminal test equipment
12/31/2008CN101335575A Method and system for monitoring multiple hosts by a single submachine
12/31/2008CN101335573A Wideband adaptive matching method and apparatus for submarine sound signal transmitter
12/31/2008CN101335567A Ultra-wideband non-coherent system average bit error rate estimating method under S-V modified model fading channel of IEEE802.15.3a
12/31/2008CN101332078A Domestic self-health consultation acquisition system
12/31/2008CN100448183C Online S/N ratio estimation of calibrated average for Rayleigh channel
12/30/2008US7472027 Method and apparatus of low power energy detection for a WLAN
12/30/2008US7471928 Modulation scheme management
12/30/2008US7471895 Method and apparatus for obtaining status information concerning optical amplifiers located along an undersea optical transmission line using COTDR
12/30/2008US7471771 Telecommunications diagnostic information management
12/30/2008US7471721 System and method for scrambling the phase of the carriers in a multicarrier communications system
12/30/2008US7471240 Antenna connection detecting device and vehicle navigation device
12/30/2008CA2376313C System capacity control
12/25/2008US20080320479 Telecom adapter layer system, and method and apparatus for acquiring network element information
12/25/2008US20080318530 Sir Estimation Techniques
12/25/2008US20080318528 Low par zero auto-correlation zone sequences for code sequence modulation
12/25/2008US20080317462 Optical fiber link monitoring method and apparatus for passive optical network
12/25/2008US20080317461 Automatic power restoring method and optical communication system
12/25/2008US20080317110 Reliable multicarrier communication in the presence of timing phase error
12/25/2008US20080317109 Characterizing non-compensable jitter in an electronic signal
12/24/2008WO2008156759A2 Signal measurement system and method for testing an rf component
12/24/2008WO2008156389A1 Adaptive antenna transmission and antenna calibration
12/24/2008WO2008102313A3 Testable electronic device for wireless communication
12/24/2008WO2007149610A3 Estimation of cinr and rssi in a wireless communication system
12/24/2008EP2007031A2 Satellite transmission channel detection method and reception device using the method
12/24/2008EP2005624A1 Methods and arrangements for noise rise estimation
12/24/2008DE10308279B4 Interferenzaufhebung in einem Antennentest Interference cancellation in an antenna test
12/24/2008DE102008023105A1 Robuste Kanalschätzung in Kommunikationssystemen Robust channel estimation in communication systems
12/24/2008DE102008016434A1 Frequenzoffsetschätzung Frequency offset estimation
12/24/2008CN101331698A Method and apparatus for estimating reverse link loading in a wireless communication system
12/24/2008CN101331697A Multicast delivery quality monitoring mechanism
12/24/2008CN101330709A Method and device for determining data business service quality
12/24/2008CN101330703A Method, system and apparatus for detecting base station performance
12/24/2008CN101330701A Method and system for off-lining debugging and measuring GSM radio frequency far-pulling system
12/24/2008CN101330336A Device-adaptive connection establishing method and system for a mobile terminal
12/24/2008CN101330335A Satellite transmission channel detection method and reception device using the method
12/24/2008CN101330334A Apparatus and method for calibrating communication distance of radio frequency SIM card
12/24/2008CN101330333A Method for prewarning risk of ship VHF telephone system
12/24/2008CN101330332A Zero intermediate frequency calibration method for board for receiving and sending message
12/24/2008CN101330331A Method for measuring jamming intensity
12/24/2008CN101329383A Network device detection using frequency domain reflectometer
12/24/2008CN100446608C An independent test method for middle RF unit of the frequent spread receiver
12/24/2008CN100446463C Method and apparatus for performing inter-frequency and inter-rat handover measurements in MBMS
12/24/2008CN100446444C Method by using signal transmission dynamic analysis to assist analysis of circuit cross talk
12/23/2008US7469104 COTDR arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments
12/23/2008US7469101 Optoelectronic marker for determining ownership of fiber optic cable
12/23/2008US7468696 Method and device for trilateration using LOS link prediction and pre-measurement LOS path filtering
12/23/2008CA2440313C Testing loops for channel codecs
12/18/2008WO2008151488A1 A device and a method for testing the rf interference between wireless communication systems
12/18/2008WO2008134404A3 Systems and methods for measuring non-linear characteristics of a power amplifier
12/18/2008WO2008030684A3 Method and apparatus for providing channel quality feedback in a wireless communication system
12/18/2008WO2008011504A3 Broadband multi-channel detector with signal and jamming discrimination
12/18/2008US20080311938 Tone based congnitive radio for opportunistic communications
12/18/2008US20080311871 System for determining total isotropic sensitivity (tis) using target received signal strength indicator (rssi) value and related methods
12/18/2008US20080311865 Transmission scheduling control of average transmit signal power
12/18/2008US20080311855 Intelligent connectivity framework for the simultaneous use of multiple interfaces
12/18/2008US20080311854 Radio communications system, mobile radio terminal and radio comunications method
12/18/2008US20080310608 Credit based management of telecommunication activity
12/18/2008US20080310490 Signal Generator and User Interface for Adding Amplitude Noise to Selected Portions of a Test Signal
12/18/2008US20080310489 Communication system, receiver unit, and adaptive equalizer
12/18/2008US20080310347 Mobile communications system PDIF and method for peer detection of mobile terminal
12/18/2008US20080310254 System and method for adjusting sensitivity of an acoustic sensor
12/18/2008US20080309460 Method and a system for determining between devices a reference time for execution of a task thereon
12/18/2008DE102007047487A1 Radio has functional units provided over addressable interfaces and barrier function, where outbound access to executable commands of functional unit and feedback over status of access is provided from another functional unit
12/17/2008EP2003800A1 System for determining total isotropic sensitivity (TIS) using target received signal strength indicator (RSSI) value and related methods
12/17/2008EP2003799A1 Adaptive history aware beam steering
12/17/2008EP2002577A1 Method of initialising an electronic radio communication module, method of compressing and decompressing calibration parameters, corresponding computer programme product and storage means