Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
06/2005
06/16/2005CA2519127A1 Method and system for generating plcm for bcmcs in a mobile communication system
06/15/2005EP1540977A1 Measurements in communications systems
06/15/2005EP1540872A2 Method and system for multi-cell interference reduction in a wireless communication system
06/15/2005EP0784893B1 Hierarchical communication system providing intelligent data, program and processing migration
06/15/2005CN1628443A Communication method, its device and system
06/15/2005CN1627741A Coherent averaging for measuring traveling wave tube amplifier nonlinearity
06/15/2005CN1627671A Radio transmitter testing method, radio transmitter and base station
06/15/2005CN1206862C Remote video frequency image monitoring system
06/15/2005CN1206827C Digitized reel time multi-channel video and audio differential mode detecting method
06/15/2005CN1206826C Interference detecting method and interference avoilding system for radio communication line
06/14/2005US6907252 Method and apparatus for detecting the presence of mobile terminals
06/14/2005US6907244 Hand-off between ultra-wideband cell sites
06/14/2005US6907243 Method and system for dynamic soft handoff resource allocation in a wireless network
06/14/2005US6906856 Early warning failure detection for a lasing semiconductor optical amplifier
06/14/2005CA2216729C Method and apparatus for performing power control in a mobile communication system
06/09/2005WO2005053191A1 Enhancing signals
06/09/2005WO2005053190A1 Signal interference measurement
06/09/2005WO2005053175A1 Suppression of unwanted signal elements by sinusoidal amplitude windowing
06/09/2005WO2005053174A1 Signal regeneration
06/09/2005WO2005053094A1 Wideband antenna and receiver calibration
06/09/2005WO2005039199A3 Method and apparatus for controlling reverse link transmission
06/09/2005WO2004082154A3 Estimation of interference variation caused by the addition or deletion of a connection
06/09/2005WO2004075496A3 Faster frame error detection in a cdma network
06/09/2005US20050124304 TV & FM transmitting system early warning monitoring
06/09/2005US20050124296 Test apparatus, mobile terminal apparatus, test method
06/09/2005US20050123030 Systems and methods for loop length and bridged tap length determination of a transmission line
06/09/2005US20050122938 Method and system for generating PLCM for BCMCS in a mobile communication system
06/09/2005DE10350362A1 Verfahren zum Vorhersagen eines Kanalkoeffizienten Method for predicting a channel coefficients
06/09/2005DE10349566A1 Verfahren und Vorrichtung zur Schätzung von Kanaleigenschaften eines Übertragungskanals Method and apparatus for estimating channel characteristics of a transmission channel
06/09/2005DE102004028984A1 Verfahren und System für eine Frequenzbereichszeitkorrelation A method and system for a frequency domain time correlation
06/08/2005EP1537750A1 Method for determining the envelope of a modulated signal
06/08/2005EP1537688A1 System and method for testing transceivers
06/08/2005EP1386417B1 Method and device for estimating sir of a signal
06/08/2005EP1382151B1 Method for testing the error ratio of a device
06/08/2005EP1330885B1 Signal strength compensation for mobile radio channels that considerably vary with time
06/08/2005CN1625906A Self-monitoring radio network
06/08/2005CN1625271A One board testing device of digital user wire equipment
06/08/2005CN1625221A Image forming device, pattern forming method and its program
06/08/2005CN1625167A Signal processing apparatus and signal processing method, program, and recording medium
06/08/2005CN1625086A Method and system for detecting voice quality
06/08/2005CN1624778A RF circuit for minidisc regeneration apparatus
06/08/2005CN1205815C Wired television netwok monitoring system and monitoring method
06/08/2005CN1205767C Interference prevention in radio communications system
06/08/2005CN1205764C Radio communication device and transmission antenna switching method
06/08/2005CN1205760C Transmission apparatus, receiving apparatus and receiving method
06/07/2005US6904293 Frequency control method in a CDMA communication system for preventing deterioration in communication quality despite failure to control of transmission power in a mobile station
06/07/2005US6904269 Signal type identification
06/07/2005CA2344777C Area designing apparatus and method for mobile communication system
06/07/2005CA2337736C Adjacent carrier frequency interference avoiding method for cellular system, mobile station, and base station controller
06/07/2005CA2303532C Method for acquiring an alternate communication system
06/07/2005CA2294852C Device and method for a mobile station for receiving signals transmitted from a base station
06/07/2005CA2206251C Method and apparatus for testing a digital communication channel at variable or fixed data rates
06/02/2005WO2005051010A1 Method and apparatus for mobile radio velocity estimation
06/02/2005WO2005050943A1 Radio communication apparatus, base station apparatus, communication terminal apparatus, and transmission rate predicting method
06/02/2005WO2005050891A2 Methodology and system for generating a three-dimensional model of interference in a cellular wireless communication network
06/02/2005WO2004075423A3 Multimode background scans of different communication systems on similar frequencies
06/02/2005US20050120282 Method for saving power in a user terminal after synchronization loss in broadband wireless access communication system
06/02/2005US20050119022 FM radio device and transmission power control method
06/02/2005US20050119009 Method and system for recording physical information related to a moving vehicle during wireless communications
06/02/2005US20050118994 Power measurement system comprising PC and voltage meter
06/02/2005US20050118972 RF circuit for disc playing apparatus
06/02/2005US20050118967 Input signal detecting apparatus and method
06/02/2005US20050118963 Method and apparatus for I/Q imbalance calibration of a transmitter system
06/02/2005US20050118960 Fading frequency estimating apparatus
06/02/2005US20050118959 Mobile-unit-assisted modulation management
06/02/2005US20050118958 Evaluating performance of a multiple-input multiple output (MIMO) communications link
06/02/2005US20050118957 Testing mobile telephone terminals
06/02/2005US20050118955 Method for prediction of a channel coefficient
06/02/2005US20050117911 Multifunctional optical device
06/02/2005US20050117677 Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration
06/02/2005US20050117634 Spectrum measurement system comprising PC and power meter
06/02/2005DE202005000287U1 Freikanal-Bewertungsoptimierung in einem drahtlosen lokalen Netzwerk Clear Channel Assessment optimization in a wireless local area network
06/02/2005DE10348818A1 Verfahren zur Regelung eines Schutzintervalls von Datenströmen in digitalen Funkübertragungseinrichtungen und Funkempfangsgerät hierzu Method for controlling a guard interval of data streams in digital radio transmission devices and broadcast receivers this
06/02/2005CA2545972A1 Method and apparatus for mobile radio velocity estimation
06/01/2005EP1340327B1 Component measures
06/01/2005CN1623287A Power control device and method for calibrating the power of a transmitter or receiver in a mobile communication network
06/01/2005CN1622623A Method and apparatus for searching next signal frame synchronous character in digital coding signal
06/01/2005CN1622496A Method and system for recording physical information related to a moving vehicle during wireless communications
06/01/2005CN1621854A Antenna testing method
06/01/2005CN1204779C Allocation of channels to radio transceivers
05/2005
05/26/2005WO2005048493A1 Method and apparatus for recursive audio storage in a communication system
05/26/2005WO2005048030A2 Initial downlink transmit power adjustment for non-real-time services
05/26/2005WO2005047930A1 3-d forward looking sonar with fixed frame of reference for navigation
05/26/2005WO2004112203A3 Modular optical device that interfaces with an external controller
05/26/2005US20050114743 Fault diagnosis system
05/26/2005US20050113047 Antenna remote control apparatus of mobile communication base station system
05/26/2005US20050113046 System and method for RF gain control
05/26/2005US20050113031 Systems and methods for a wireless network connection point locator
05/26/2005US20050113030 RSSI slope calibration technique
05/26/2005US20050113028 Radio communication terminal and communication method
05/26/2005US20050111843 Transmission loss and gain measurement method, transmitter-receiver, and transmitting-receiving system
05/26/2005US20050111591 Method and device for estimating channel properties of a transmission channel
05/26/2005US20050111526 Determination and selection of transmission paths as a function of the operating situation for setting up rake fingers for rake receiver units in mobile communication terminals
05/26/2005US20050111415 Method and system for providing a single unified channel quieting/measurement request element in an 802.11 wireless local area network
05/26/2005US20050110980 Measurement method by OTDR and terminal station apparatus
05/26/2005US20050110678 Radio device, radio device calibration system, calibration method, and calibration program
05/26/2005CA2545250A1 Method and apparatus for recursive audio storage in a communication system
05/26/2005CA2544696A1 Initial downlink transmit power adjustment for non-real-time services
05/25/2005EP1534032A1 Method for simulating operating conditions of a mobile telecommunication network
05/25/2005EP1533948A1 Communication method; communication device; and communication system