Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
02/2009
02/11/2009CN101365215A Single board calibrating method, system and clamp for single board calibration
02/11/2009CN101365209A Monitoring method for microwave communication system outdoor unit
02/11/2009CN101365204A Distributed wireless data measurement system based on remote server and measurement method thereof
02/11/2009CN101365201A MIMO receiving signal detection method and receiving apparatus
02/11/2009CN101364847A Cooperative communication method in cognitive radio
02/11/2009CN101364846A Sub-carrier noise power estimation method based on pilot
02/11/2009CN101364831A Method for channel estimation
02/11/2009CN101364812A Receiving device, radio clock, and receiving method
02/11/2009CN101363892A Radio monitoring and electronic interference integration system
02/11/2009CN101363891A Wide-band 5-channel radio monitoring and super-resolution direction-finding mobile station system
02/11/2009CN101363890A Dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system
02/11/2009CN101363889A Small-sized embedded radio monitoring and direction-finding station system
02/11/2009CN101363888A Shipborne maritime wireless communication monitoring system
02/11/2009CN101363887A Unmanned helicopter-mounted aerial frequency spectrum monitoring system
02/11/2009CN100461926C System and method for testing speech service
02/11/2009CN100461721C System, method and apparatus for testing long-distance frame time delay
02/11/2009CN100461655C System and method for testing channel transmission performance with the practical channel and computer simulation
02/11/2009CN100461042C Event detection method in earphone plug hole and mobile communication terminal thereof
02/10/2009US7489928 Adaptive RF link failure handler
02/10/2009US7489905 System for determining RF path loss between an RF source and an RF receiver with hysteresis and related methods
02/10/2009US7489904 Method and system for determining the time of arrival of a direct radio signal
02/10/2009US7489903 Method and system for exchanging the capacity reports in a radio access network
02/10/2009US7489652 Method of communications between MIMO stations
02/10/2009CA2376319C Noise level estimation
02/10/2009CA2333723C Pilot strength measurement and multipath delay searcher for cdma receiver
02/05/2009US20090036078 Unified STTD/CLTD dedicated pilot processing
02/05/2009US20090036060 Wireless tag determination method, wireless tag determination system, reader control device, and storage medium
02/05/2009US20090036059 Apparatus and method for E-HICH/E-RGCH processing, metric estimation and detection
02/05/2009US20090036058 Quality of a Realtime Service
02/05/2009US20090034966 Optical Signal Monitoring Apparatus and Method
02/05/2009US20090034965 Method and an apparatus to automatically verify connectivity within an optical network node
02/05/2009US20090034964 Communication apparatus communicating with different bit rates
02/05/2009US20090034689 Telecommunication diagnostic information management
02/05/2009US20090034598 Method and apparatus to compute a noise power estimate in a wcdma network based on dedicated physical control channel (dpcch) processing
02/05/2009US20090034597 Method and apparatus for measuring bit error rate of tuner
02/05/2009US20090034596 Ethernet Traffic Emulation Using Ramped Traffic Generation Techniques
02/05/2009US20090034430 Infrastructure for mediation device to mediation device communication
02/05/2009US20090033467 Rf identification device with near-field-coupled antenna
02/04/2009EP2020768A1 System and method of measuring total radiated power from mobile wireless communications device
02/04/2009EP2020761A1 Communication device and transmission calibration weight calculation method
02/04/2009EP2020099A1 Downlink channel parameters determination for a multiple-input-multiple-output (mimo) system
02/04/2009EP2020098A1 Channel feedback using channel state predictions based also on delays
02/04/2009EP2020090A1 Antenna matching measurement and amplification control
02/04/2009CN201191838Y Analogue instrument protecting dedicated transmission channel
02/04/2009CN101360317A Test method for duration evaluation
02/04/2009CN101360315A Test system and method thereof
02/04/2009CN101360310A Different system event measurement control method
02/04/2009CN101360080A Base function random phase mapping method adopting two-dimensional m sequence control in transform region communication system
02/04/2009CN101359968A Apparatus and method for setting timer and counter in mobile communication system
02/04/2009CN101359967A High-speed fading detection method and apparatus applied in high-speed moving scene
02/04/2009CN101359966A GSM module test system and method
02/04/2009CN100459807C Method of main user's frequency spectrum hole in use for detecting characteristics of cooperation, and periodic stable state of secondary user in radio communication
02/04/2009CN100459748C Preliminary signal detection platform
02/04/2009CN100459463C GPS receiver testing system of communication network mobile platform and testing method thereof
02/04/2009CN100459462C Communication system fault diagnosis method and system
02/03/2009US7487423 Decoding method, medium, and apparatus
02/03/2009US7486968 Method and system for transmission of carrier signals between first and second antenna networks
02/03/2009US7486942 Receiver
02/03/2009US7486934 Service area determination method for determining whether a mobile terminal is in the service area of a repeater or in the service area of a radio base station
02/03/2009US7486889 Transceiver test module employing an optical wrap
02/03/2009US7486888 Method of identifying infrared transmission head function
02/03/2009US7486750 Method for obtaining information regarding interference in the receiver of a message transmission system
02/03/2009US7486725 Bit error rate tester and pseudo random bit sequences generator thereof
02/03/2009US7486724 Codec compensation techniques for channel analysis applications
02/03/2009US7486414 Image forming device, pattern formation method and storage medium storing its program
02/03/2009CA2217650C Multiple hyperband radiocommunications system
01/2009
01/31/2009CA2638389A1 System and method for automatic recovery and covariance adjustment in linear filters
01/29/2009WO2009015176A1 Method and system for improving wireless customer experience by anticipating and explaining communication quality problems through notifications
01/29/2009WO2008100322A3 Transient rf detector and recorder
01/29/2009WO2008057971A3 Sub-band dependent resource management
01/29/2009WO2007121127A3 Method for testing embedded wireless transceiver with minimal interaction between wireless transceiver and host processor during testing
01/29/2009US20090028556 Method and apparatus for monitoring the power level of two or more optical transmitters
01/29/2009US20090028555 Optical filter
01/29/2009US20090028552 System and Method for Wavelength Monitoring and Control
01/29/2009US20090028551 Dynamic digital diagnostic alerts
01/29/2009US20090028550 System and Method Using Differential Loop Gain for Fault Identification in Line Monitoring Equipment
01/29/2009US20090028232 Errors Visibility Enhancement Methods For Video Testing
01/29/2009US20090028231 Apparatus for measuring iq imbalance
01/29/2009US20090028230 Method and apparatus for improving quality of service for reception in digital television broadcast systems
01/29/2009US20090028227 Method and device for interception of data transiting on a link in an Ethernet network
01/29/2009US20090028221 Constructing an Energy Matrix of a Radio Signal
01/29/2009US20090028105 Wireless access system and transmission method
01/29/2009DE102007046300A1 Verfahren zur Synchronisation von mehreren Messkanalbaugruppen und/oder Messgeräten sowie entsprechendes Messgerät Method for synchronizing multiple measuring channel assemblies and / or measuring instruments and related measuring device
01/29/2009CA2694367A1 Method and system for improving wireless customer experience by anticipating and explaining communication quality problems through notifications
01/28/2009EP2019500A1 Periodical refreshing for radio channels quality indicator
01/28/2009EP2018725A2 System and method of calculating noise variance
01/28/2009EP1665605B1 Modulation scheme management
01/28/2009CN201188677Y Calibration network apparatus for intelligent antennae
01/28/2009CN201188676Y Digitization remote recovering instrument for RF signal
01/28/2009CN201188620Y Analog signal source
01/28/2009CN101355409A Method for implementing partner selection and collaboration transmission combining position information
01/28/2009CN101355392A Method and system for measuring time delay of user terminal receiving channel
01/28/2009CN101355391A Method and terminal for detecting network signal intensity
01/28/2009CN101355378A Method and apparatus for de-mapping code-element of multiple input-output communication system
01/28/2009CN101354412A Apparatus for testing electromagnetic radiation strength
01/28/2009CN101354411A Method and apparatus for testing electromagnetic radiation strength
01/28/2009CN100456663C Method for measuring link quality in spread spectrum communication system
01/28/2009CN100456648C Control PDU for early target paging for packet data modes
01/27/2009US7483703 Independently acquiring and tracking wireless communication system signalling channel assignments on communication links
01/27/2009US7483680 Method and apparatus for modulation path delay mismatch compensation in a polar modulation transmitter