Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
03/2002
03/06/2002EP1183840A1 Optimization of channel equalizer
03/06/2002EP0947066B1 A method and an apparatus for determining the pathloss between a base transceiver station and a mobile station in a mobile radio network
03/06/2002CN2481098Y Mobile telephone set electromagnetic wave radiation test bar
03/06/2002CN2481096Y Monitor controller for digital mobile telephone set
03/06/2002CN2481070Y Quick low-frequency band resonating frequency tester for loudspeaker
03/06/2002CN1338836A Physical quantities display device, method and recording media for multiple signal physical quantities
03/06/2002CN1338835A Method and device for measuring S/N ratio
03/05/2002US6353746 Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling
03/05/2002US6353731 Method and measurement configuration for measuring the characteristics of radio channels
03/05/2002US6353642 Automatic frequency controller and demodulator unit
03/05/2002US6353630 Method for the parameterization of a reception means as well as a corresponding reception means and radio station
02/2002
02/28/2002WO2002017666A1 Radio base station and program for radio base station
02/28/2002WO2001067623A3 Complex signal decomposition and modeling
02/28/2002US20020026165 Repeated use of absorbent articles that deliver an emollient composition to the wearer's skin, so as to provide a skin protective barrier and/or a therapeutic benefit.
02/28/2002US20020025807 Transmission quality measurement in a communication network
02/28/2002US20020025789 Leak power ratio detection circuit, mobile communication terminal, and control circuit for mobile communication terminal
02/28/2002US20020024993 Method and apparatus to support multi standard, multi service base-stations for wireless voice and data networks
02/28/2002US20020024696 Wavelength division multiplexing transmission system and transmitter and receiver therefor
02/28/2002US20020024692 Optical transmission system, monitoring method therefor, optical communication apparatus, and optical external conducting apparatus
02/28/2002US20020024690 Optical level control method
02/28/2002US20020024002 Waveform measuring method and apparatus
02/27/2002EP1182897A1 Collection and analysis of signal propagation data in a wireless system
02/27/2002EP1182806A2 Optical transmission path monitoring system
02/27/2002EP1182796A1 Wireless receiver and method of wireless reception
02/27/2002EP1182314A2 Remote signal transmission control including compensation for variations in transmitter components
02/27/2002EP1034631B1 Method and measuring device to measure the characteristics of radio channels
02/27/2002EP1034630B1 Method and measuring device to measure the characteristics of radio channels
02/27/2002CN1338186A Method for conformance testing of radio communication equipment
02/27/2002CN1338164A Detecting and minimizing the effects of transmitter noise on signal strength measurement in a wireless communication system
02/27/2002CN1337833A Emissive power control system and method
02/27/2002CN1337795A Speech and telefax monitoring method and system by means of relay
02/27/2002CN1337794A Time-shared control type commodity steal preventing test system
02/27/2002CN1337793A Method and device for testing and correcting the non-linear characteristics of channel
02/27/2002CN1080025C Digital calibration of a transceiver
02/26/2002US6351830 Apparatus for checking for defect of serial communication devices and method thereof
02/26/2002US6351649 Mobile communication system
02/21/2002WO2002015418A2 Modified filtering for asynchronous inputs
02/21/2002WO2002015417A2 Systems and methods for determining signal coverage
02/21/2002WO2002015415A2 Communication protocol for interconnected hazardous condition detectors, and system employing same
02/21/2002US20020023244 Indoor environment design system, indoor environment evaluation system, indoor environment design method, and indoor environment evalution method
02/21/2002US20020022484 Method and apparatus for testing CDMA signal propagation and coverage
02/21/2002US20020021687 Time-division multiplexing radio system
02/21/2002US20020021475 Optical signal receiver and optical space transmission system
02/21/2002US20020021473 Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system
02/21/2002US20020021468 Semiconductor integrated circuit having receiving and transmitting units formed on a single semiconductor chip with a test signal input port
02/21/2002DE10035966A1 Entstörungsprozedur für ein übergeordnetes NMC durch Korrelation von Alarmen mit Ergebnissen von automatischen Tests Filtering procedure for a parent NMC by correlating alarms with results of automated testing
02/20/2002EP1180868A1 Receiving apparatus and gain control method
02/20/2002EP1180272A1 Testing of radio transceiver
02/20/2002CN1337125A Method for implementing multipoint codes in an exchange
02/19/2002US6349119 Transmission line presuming circuit and modem using the same
02/19/2002US6348801 Fault isolation of an antenna path for a radio telephone
02/19/2002CA2206688C Digital transmission system for encoding and decoding attribute data into error checking symbols of main data, and method therefor
02/14/2002WO2002013427A1 Testing a transceiver
02/14/2002WO2002013412A1 Systems and methods for providing remote monitoring of electricity consumption for an electric meter
02/14/2002WO2002013405A2 Systems and methods for characterizing transmission lines in a multi-carrier dsl environment
02/14/2002WO2002013009A1 System and method for efficiently visualizing and comparing communication network system performance
02/14/2002US20020019712 Systems and methods for providing remote monitoring of electricity consumption for an electric meter
02/14/2002US20020018516 Transmission power control system and method capable of saving battery consumption of mobile station and preventing connection capacity from being reduced
02/14/2002CA2789759A1 Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier dsl environment
02/14/2002CA2416417A1 System and method for efficiently visualizing and comparing communication network system performance
02/13/2002EP1179895A1 Array antenna base station apparatus
02/13/2002EP1179892A2 Transmission power control system and method preventing connection capacity from being reduced
02/13/2002EP1179736A2 Physical quantity display device for displaying physical quantity of multiple signals, method and recording medium
02/13/2002EP1179273A1 Event-based reporting of mobile station measurements
02/13/2002EP1179239A1 A method for noise energy estimation in tdma systems
02/13/2002EP1179224A1 Method and device for the radioelectrical transmission of original signals, especially sound signals
02/12/2002US6347222 Tuning method and transceiver unit
02/12/2002US6347217 Link quality reporting using frame erasure rates
02/12/2002US6347080 Energy based communication rate detection system and method
02/12/2002US6346910 Automatic array calibration scheme for wireless point-to-multipoint communication networks
02/11/2002CA2354856A1 Physical quantity display device for displaying physical quantity of multiple signals, method and recording medium
02/07/2002WO2002011480A1 Base station apparatus and channel assignment method
02/07/2002WO2002011313A1 Method and system for power control in mobile radio systems
02/07/2002WO2002011295A2 Method and measuring device for measuring the spectra in adjacent channels
02/07/2002WO2002010776A1 Signal measurement
02/07/2002WO2001058045A3 Reducing radio link supervision time in a high data rate system
02/07/2002US20020016180 Communication device intervention system and method
02/07/2002DE10043894A1 Verfahren und Messvorrichtung zur Messung des Spektrums in Nachbarkanälen The method and measuring device for measuring the spectrum in adjacent channels
02/07/2002CA2416903A1 Method and system for power control in mobile radio systems
02/06/2002EP1177702A1 Method and system for testing the functioning of a testing algorithm in a communication device
02/06/2002CN1334689A Alarm device for monitoring turn-on of transmitting station in mobile communication
02/06/2002CN1334656A CDMA cellular communication system, CDMA base station device and hand-over interference detecting method
02/06/2002CN1078984C Radio loop test method having improved relieability
02/06/2002CN1078967C Line protection system for optical interface
02/05/2002US6344749 Test system for measuring frequency response and dynamic range on cable plant
02/05/2002CA2221398C Microcell load measurement using feedback control
01/2002
01/31/2002WO2002009343A1 Link quality determination of a transmission link in an ofdm transmission system
01/31/2002WO2002009326A1 A cellular radio communication network and methods in the network
01/31/2002WO2002009313A2 Communication transmission impairment emulator
01/31/2002WO2002009312A2 Systems and methods for measuring interference reciprocity between uplink and downlink directions in a wireless communications system
01/31/2002WO2002009304A1 Interference estimation in a communications system
01/31/2002WO2002009301A2 A communication device intervention system and method
01/31/2002WO2002007703A2 Interference suppression procedure for a superordinate nmc by correlation of alarms with results of automatic tests
01/31/2002WO2001054295A3 Method and system for displaying the amplitude distortions of a transmission channel
01/31/2002US20020012331 CDMA cellular communication system, CDMA base station apparatus and overreach detecting method
01/31/2002US20020012323 Systems and methods for enabling a mobile user to notify an automated monitoring system of an emergency situation
01/30/2002EP1176750A1 Link quality determination of a transmission link in an OFDM transmission system
01/30/2002EP1176738A2 CDMA cellular communication system, CDMA base station apparatus and overreach detecting method
01/30/2002EP1176730A1 Interference estimation in a communications system
01/30/2002EP0737380A4 A wireless digital synchronized diversity receiver