Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
01/2001
01/30/2001US6181917 Method and system for designing a cellular communication system
01/30/2001US6181739 Signal-to-noise ratio determination using digital signal processing
01/30/2001US6181676 System protection switching
01/25/2001WO2001006685A1 Testing response of a radio transceiver
01/25/2001WO2001006684A1 Test apparatus for rf receiver
01/25/2001WO2001006676A1 Method for performance monitoring of data transparent communication links
01/25/2001WO2001006349A1 System for the three-dimensional display of wireless communication system performance
01/25/2001WO2001006274A1 Method for determining a change in a communication signal and using this information to improve sps signal reception and processing
01/25/2001DE19942208C1 Transmission path signal attenuation simulation method has signal values and signal attenuation provided by discrete sequence of values provided by Gauss distribution
01/25/2001CA2379692A1 Method for determining a change in a communication signal and using this information to improve sps signal reception and processing
01/24/2001EP1071299A1 System for monitoring the state of a link between a master station and a slave station
01/24/2001EP1071228A1 Wireless network with steerable antenna calibration over independent control path
01/24/2001EP1071227A2 CDMA reception apparatus and received signal power measuring apparatus in CDMA mobile communication system
01/24/2001EP1071220A2 Multipath noise reducer, audio output circuit, and FM receiver
01/24/2001CN1281605A Method and apparatus for predicting signal characteristics in wireless communication system
01/23/2001US6178310 Transmitting and receiving antenna voltage standing wave ratios measuring circuit of base station in mobile communication system
01/21/2001CA2314441A1 System for data exchanges between a master station and various slave stations connected by a radio data transmission network
01/18/2001WO2001005183A1 Base station device and method for preventing degradation of circuit quality
01/18/2001WO2001005178A1 Method and apparatus for controlling test devices at a mast head of a base station
01/18/2001WO2001005073A1 Method for estimating signal-to- noise ratio in a telecommunication receiver and application of said method for controlling a transmitter
01/18/2001WO2001004649A1 Circuit arrangement and method for verifying a switching diversity system
01/18/2001DE19929943A1 Verfahren zur Bestimmung der Ausfallwahrscheinlichkeit eines Datennetzes Method for determining the probability of failure of a data network
01/17/2001EP1069713A1 Signal quality determination in a radio communications apparatus
01/17/2001EP1069705A1 CDMA communication system and transmitter unit for a CDMA communication system with transmitter power control in case of malfunction
01/17/2001EP1069554A1 Low jitter power detector appropiate for time division multiple access communications
01/17/2001EP0873600A4 Method for unlicensed band port to autonomously determine interference threshold and power level
01/17/2001CN1280722A Method and apparatus for coherently-averaged power estimation
01/17/2001CN1280721A Received signal strength determination methods and systems
01/17/2001CN1280453A Device and method for measuring reverse link circuit quality in code division multiple access system
01/16/2001US6175934 Method and apparatus for enhanced service quality through remote diagnostics
01/16/2001US6175811 Method for frequency environment modeling and characterization
01/16/2001US6175555 Transmit/receive compensation
01/11/2001WO2001003332A1 Method of identifying information addressed to a user in a communication system, and a communication system
01/11/2001WO2001002871A1 Method and arrangement for checking cable connections
01/11/2001DE19929252A1 Verringerung der Wahrscheinlichkeit einer Störung einer empfangsseitigen Kanalschätzung in einem Funkkommunikationssystem Reduce the likelihood of disturbance of a receiving-side channel estimation in a radio communication system
01/09/2001US6173187 Method of setting load goal, and radio system
01/09/2001US6173018 Multi level comparator for demodulator
01/09/2001US6172534 Gain control arrangement and method
01/04/2001WO2001001623A1 Reducing interference probability in reception-side channel estimation in a radio telecommunication system
01/04/2001WO2001001590A1 Automatic frequency control circuit and demodulator
01/04/2001DE19930571A1 Diagnosevorrichtung für eine Mehrantennenanordnung Diagnostic device for a multi-antenna arrangement
01/03/2001EP1065826A2 Method for determination of the failure probability of a data network
01/03/2001EP1065509A2 Diagnostic device for multiple antenna system
01/03/2001EP1064812A2 A method of establishing the carrier-to-interference ratio in a radio communication system and a communication device for carrying out the method
01/03/2001EP1064739A2 Protection of wdm-channels
01/03/2001EP1064732A1 Method and system for providing an estimate of the signal strength of a received signal
01/03/2001EP1064697A2 Phased array antenna calibration system and method using array clusters
01/03/2001CN1278700A Method for reducing extra pay-expense of resource distribution in radio communication system
01/02/2001US6169883 Remote test of a subscriber connection in a system implementing a wireless subscriber connection
01/02/2001US6169763 Characterizing a communication system using frame aligned test signals
01/02/2001US6169485 System and method of radio transmission between a radio transmitter and radio receiver
01/02/2001US6169451 System for sensing operating state of tower top amplifier for mobile communication system and method of sensing the same
01/02/2001CA2168153C Transmission monitoring system and method
12/2000
12/28/2000WO2000079821A1 Method and system for monitoring traffic on a code division multiple access repeater
12/28/2000WO2000079711A1 Method and apparatus for supervising a potentially gated signal in a wireless communication system
12/28/2000WO2000079710A1 Method for estimating signal-to-noise ratio of digital carriers in an am compatible digital audio broadcasting system
12/28/2000WO2000079708A1 Method and apparatus for determining characteristics of components of a communication channel
12/28/2000CA2374182A1 Method for estimating signal-to-noise ratio of digital carriers in an am compatible digital audio broadcasting system
12/27/2000EP1063819A1 Calibration procedure for wireless networks with direct mode traffic
12/27/2000EP1063805A2 A method of reducing resource assignment overhead in wireless communication systems
12/27/2000EP1063787A1 Operating a cellular telecommunication system
12/27/2000EP1063784A1 Radio communication device
12/27/2000EP1063783A2 Cross-channel interference measurement
12/27/2000EP1062754A1 Testing device and method
12/27/2000EP1062742A1 Correction of signal-interference ratio measurements
12/27/2000CN1278394A Network element monitoring
12/27/2000CN1278130A Method for controlling cellular telecommunication system
12/26/2000US6167272 Test transmitter, method and computer for testing a cellular mobile radio network
12/26/2000US6167259 System and method of quantifying the degree of balance on forward link and reverse link channels
12/26/2000US6166760 Ingress noise measuring device in data communication network using CATV network
12/26/2000US6166594 Self calibrating demodulator system
12/26/2000US6164129 Apparatus and methods for monitoring system environment of outdoor base station
12/21/2000WO2000078063A2 Apparatus for testing mobile phones
12/21/2000WO2000077959A1 Fade margin test
12/21/2000WO2000077941A1 Method and apparatus for stability margin determination in a repeater
12/21/2000DE19925580A1 Transmission detection and segmenting in an HF level and radio range for taking bearings calculates transmission characteristics to quantify time changes in transmission parameters and spectral distribution in energy.
12/21/2000CA2311111A1 A method of reducing resource assignment overhead in wireless communication systems
12/20/2000EP1061757A2 Method and apparatus for the detection of a reduction in capacity of a CDMA system
12/20/2000CN1277527A Method for continuously searching origin public land mobile network
12/20/2000CN1277501A Method and apparatus for detecting CDMA system volume lowering
12/19/2000US6163571 Method for measuring received signal quality in a mobile wireless communication system
12/19/2000US6163570 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system
12/15/2000CA2310897A1 Method and apparatus for the detection of a reduction in capacity of a cdma system
12/14/2000WO2000076241A1 Method for measuring operation of cellular radio system, and cellular radio system
12/14/2000WO2000076233A1 Method and arrangement relating to mobile packet networks
12/14/2000WO2000076096A1 Remote controlled programmable transceiver
12/14/2000WO2000076095A1 Testing of radio transceiver
12/14/2000WO2000064068B1 Jitter measurement system and method
12/13/2000EP1059827A2 Bus management method, bus network using such bus management method and information provider medium
12/13/2000EP1059753A2 Wavelength monitor using hybrid approach
12/13/2000EP1058983A2 Method and communication system for processing alarms using a management network involving several layers of management
12/13/2000CN1276937A Method and apparatus for automatic channel measurements
12/13/2000CN1276652A Self-inferring method of receiver for satellite broadcasting
12/12/2000US6161010 Fault monitoring apparatus for mobile communication system
12/12/2000US6160992 Method and system for communicating with remote units in a communication system
12/12/2000US6160649 Optical power measuring system terminal station and repeater therefor
12/12/2000US6160452 Circuits and methods for a monitoring circuit in a network amplifier
12/07/2000DE19925496A1 Determining if mobile GSM device repeatedly stops at certain point involves determining distance radii for three or more base stations adjacent to terminal from signal transition times
12/07/2000DE19923690A1 Verfahren zur Schätzung der relativen Geschwindigkeit eines Senders gegenüber einem Empfänger und Empfangsvorrichtung für Funksignale Method for estimating the relative speed of a transmitter relative to a receiver and receiving device for radio signals
12/06/2000EP1058404A2 CDMA Base station and communication control method therefor