Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
05/1999
05/27/1999WO1999026338A1 Method and apparatus for estimating a frequency offset
05/27/1999WO1999012290A3 Method for parameter estimation and receiver
05/27/1999WO1999012266A3 Fade margin measurement in a radio system
05/26/1999EP0609436B1 A method for forming a quality measure for signal bursts
05/26/1999CN1217859A Method of measuring traffic densities
05/25/1999US5907797 Radio communication analyzer having collective measurement function of transmission test items
05/25/1999US5907624 Noise canceler capable of switching noise canceling characteristics
05/20/1999WO1999025064A1 Dualband power amplifier control using a single power amplifier controller
05/20/1999DE19751189A1 Radio receiver with receiver quality check e.g. for vehicle radios
05/19/1999EP0917312A2 Wavelength division multiplex optical transmission apparatus
05/19/1999EP0917308A1 Mobile assisted handover using CDMA
05/18/1999US5905946 Of a cellular radio system
05/18/1999US5905765 Method of processing error-control coded, frequency-hopped communication signals
05/14/1999WO1999023848A2 Network element monitoring in a radio telecommunication network
05/14/1999WO1999023625A1 Wireless messaging system for directed simulcast zones
05/14/1999WO1999012228A9 Apparatus and methods for automated testing of wireless communications systems
05/14/1999WO1999003220A3 Signal quality measurement
05/12/1999EP0671111B1 Radio system and a subscriber terminal for a radio system
05/12/1999EP0669061A4 An apparatus and method for detecting potentially fraudulent telecommunication activity.
05/12/1999EP0642673B1 Method and arrangement for measuring the condition of a receiver antenna
05/12/1999CN1216649A Mobile radio apparatus and process for determining the receiving field intensity
05/11/1999US5903554 Method and apparatus for measuring link quality in a spread spectrum communication system
05/06/1999WO1999022250A1 Dual-band rf test interface circuit
05/06/1999EP0914014A1 Radio communication system, mobile station and method for system selection among systems with the same area coverage
05/06/1999DE19746691A1 Intelligentes paketorientiertes Übertragungsschema Intelligent packet-based transmission scheme
05/06/1999DE19741991C1 Method of determining a directionally resolved complex pulse response of a radio channel, esp. for supporting mobile radio channels
05/06/1999CA2308401A1 Dual-band rf test interface circuit
05/04/1999US5901358 Mobile station locating system and method
04/1999
04/29/1999WO1999021384A1 System and method for displaying performance characteristics of a cell site modem
04/29/1999WO1999021318A1 Intelligent packet retransmission scheme
04/29/1999WO1999021305A2 Channel simulator for mobile systems
04/29/1999WO1999021173A1 Signal processing
04/29/1999DE19746506A1 Method for recognition of form of modulation used with a reception signal
04/29/1999CA2308167A1 Intelligent packet retransmission scheme
04/28/1999EP0911986A2 Method and circuit for detection of mutipath interference
04/28/1999EP0910846A1 Control method & system
04/28/1999CN1215535A Remote test of wireless subscriber connection
04/27/1999US5898905 Baseband simulator architecture for testing a radio frequency section of a mobile communications transceiver
04/27/1999US5898736 Data receiving system
04/27/1999US5898730 Method for determining signal quality of a communication channel
04/27/1999US5898512 Link establishing system and link establishing method
04/27/1999US5898162 Hand-held data capture system with interchangeable modules
04/22/1999WO1999020034A2 Network monitoring method for telecommunications network
04/22/1999WO1999020017A1 Method and system for assessing, at reception level, the quality of a digital signal, such as a digital audio/video signal
04/22/1999WO1999020001A1 Methods and apparatus for measuring nonlinear effects in a communication system and for selecting channels on the basis of the results
04/22/1999WO1999004517A9 Mobile station locating system and method
04/22/1999CA2305154A1 Network monitoring method for telecommunications network
04/20/1999US5896561 Communication network having a dormant polling protocol
04/20/1999US5896554 Status monitoring apparatus for car radio
04/20/1999CA2154789C Self-diagnostic system for cellular-transceiver systems
04/15/1999WO1999018683A2 Received signal strength determination methods and systems
04/14/1999EP0908031A1 Storage and reproduction method and apparatus
04/14/1999EP0804858A4 Spectrally efficient high capacity wireless communication systems
04/14/1999EP0775391A4 Spectrally efficient and high capacity acknowledgment radio paging system
04/14/1999CN1213909A Method of calibrating receive and/or transmit systems driving array of active antennas, and corresponding mobile station
04/14/1999CN1213904A Transceiver
04/08/1999WO1999017574A1 A method and an arrangement relating to telecommunications systems
04/08/1999WO1999017572A1 Operation and maintenance link for antenna equipment
04/08/1999WO1999017563A2 Method and apparatus for increasing data rate by reduction of training data
04/08/1999WO1999017481A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
04/08/1999WO1999017476A2 Method of adjusting frequency of cellular radio repeater
04/08/1999WO1999017475A1 Method for acquiring an alternate communication system
04/08/1999WO1999017463A2 Received signal strength determination method, apparatus and computer program products
04/08/1999DE19843459A1 Code division multiple access signal quality measuring method
04/08/1999CA2305209A1 Operation and maintenance link for antenna equipment
04/08/1999CA2304658A1 Received signal strength determination method, apparatus and computer program products
04/08/1999CA2304649A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
04/08/1999CA2304510A1 A method and an arrangement relating to telecommunications systems
04/07/1999CN1213471A Method and apparatus for antenna realignement in mobile radiotelephone using injected audio signal
04/06/1999US5893031 System and method for collection of transmission characteristics
04/01/1999WO1999003221A3 Device and method for determining characteristics of a digital subscriber line
04/01/1999WO1998043455A3 Method and wireless terminal for monitoring communications and providing network with terminal operation information
03/1999
03/31/1999EP0905920A2 Multiple antenna communication system and method thereof
03/31/1999EP0905919A1 Nonlinear amplifier calibration system and methods
03/31/1999EP0904668A1 Adaptive capacity and quality improvements in cellular radio services by the removal of strong interference sources
03/31/1999EP0904641A1 Fibre optic transmission with fibre amplifiers and supervisory signals
03/31/1999CN1212817A Method and system for testing condition of subscriber station in radio system
03/31/1999CN1212797A Method and device for monitoring mobile telephone repeater
03/30/1999US5890104 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
03/30/1999US5890056 Channel usage monitoring arrangement for base station
03/30/1999US5889837 Testing a subscriber terminal of a wireless telecommunications system
03/30/1999US5889825 Method of parameterizing a receiving device, and also a corresponding receiving device and radio station
03/30/1999US5889785 Remote reporting system for digital transmission line elements
03/30/1999US5889488 Mobile communication system
03/25/1999WO1999014966A2 Improvements in, or relating to, measuring traffic intensity in a digital mobile radio telephony
03/24/1999EP0903880A2 Method and apparatus for modeling the propagation of wireless signals in buildings
03/24/1999CN1211892A Apparatus and method for measuring voltage standing wave radio in antenna of base station
03/23/1999US5887244 Multiple clock generation in a baseband simulator for testing a radio frequency section of a mobile communications transceiver
03/18/1999WO1999013669A1 Method and device in telecommunication system
03/18/1999WO1999013660A1 Carrier sensor
03/18/1999WO1999000913A3 Method and system for augmenting a communications network with spare capacity
03/18/1999DE19740716A1 Alarm handling method for communications system
03/17/1999EP0646248B1 Method and device for supervising the condition of an antenna
03/17/1999CN1211358A Method for unlicensed band port to autonomously determine interference threshold and power level
03/17/1999CN1211126A Method and system for monitoring remote BTS under CROS environment
03/17/1999CN1042587C Communication method/apparatus/system capable of performing FDMA transmission
03/16/1999US5884202 Modular wireless diagnostic test and information system
03/16/1999US5884184 Supervised cellular reporting network
03/16/1999US5883923 Data receiver with symbol rate discrimination and statistical analysis functions
03/11/1999WO1999012370A2 Measuring uplink interference in radio system, and base station
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