Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
10/2003
10/22/2003EP1355467A1 Orthogonal frequency division multiplexing (OFDM) system with channel transfer function prediction
10/22/2003EP1355440A2 Wavelength-division multiplex communication system
10/22/2003EP1354491A1 Location estimation in wireless telecommunication networks
10/22/2003EP0867066B1 Digital calibration of a transceiver
10/22/2003EP0737380B1 A wireless digital synchronized diversity receiver
10/22/2003CN2582299Y Internal liaison communication equipment
10/22/2003CN2582281Y Device for simultaneous monitoring image and measuring distance
10/22/2003CN1450758A High performance network intrusion detecting system and detecting method
10/22/2003CN1450741A Measnving device and method thereof
10/22/2003CN1450740A Multi-function fault implanting machine
10/22/2003CN1125540C Radio communication device and transmixxing antenna changing method
10/21/2003US6636722 Broadband receiver amplitude/phase normalization using a broadband temperature compensated noise source and a pseudo random sequence generator
10/21/2003US6636348 Signal break detecting circuit
10/16/2003WO2003085845A2 Low bias method for estimating small signal-to-noise ratio
10/16/2003WO2003069814A3 Wireless network simulator
10/16/2003US20030194980 Method and apparatus for indicating low signal quality in a digitized audio environment
10/16/2003US20030194969 Wireless user equipment for use in reducing cross cell interference
10/16/2003US20030194001 Method for determining the performance of a communications system
10/16/2003US20030193992 System and method for acquiring a received signal in a spread spectrum device
10/16/2003US20030193914 Rapid acquisition spreading codes for spread-spectrum communications
10/16/2003US20030193902 Method and arrangement to estimate tranmission channel characteristcs
10/15/2003CN2580697Y Switching device for wire-bundle conducting means
10/15/2003CN1449204A Signal-to-noise ratio measuring method based on array antennas mobile communication system
10/15/2003CN1449161A System and method for multiplying real-time monitoring the same user
10/15/2003CN1449137A Simplified maximum likelihood multi-user detecting method based on sensitive bit
10/15/2003CN1124746C Single board festing method and device
10/15/2003CN1124712C methods and apparatus for measuring nonlinear effects in communication system and for selecting channels on the basis of the results
10/15/2003CN1124660C Antenna adapter
10/14/2003US6633743 Remote wireless communication device
10/14/2003US6633600 Traffic lights in a code division multiple access (CDMA) modem
10/10/2003CA2424809A1 Method and apparatus for indicating low signal quality in a digitized audio environment
10/09/2003WO2003084163A1 A multiple channel wireless receiver
10/09/2003WO2003084105A2 Estimating power on spatial channels
10/09/2003WO2003084104A1 Calibration of a multichannel receiver
10/09/2003US20030191610 Method and system for multi-sensor data fusion using a modified dempster-shafer theory
10/09/2003US20030191595 Measuring apparatus and method therefor
10/09/2003US20030190016 Digital subscriber line diagnostic system
10/09/2003US20030189979 Low bias method for estimating small signal-to-noise ratio
10/09/2003US20030189920 Transmission device with data channel failure notification function during control channel failure
10/08/2003EP1351418A2 Radio frequency integrated circuit for loopback self-test
10/08/2003EP1351064A1 Measuring apparatus comprising spectrum analyser and method therefor
10/08/2003EP1350400A1 Hand-off between ultra-wideband cell sites
10/08/2003EP1350399A1 Use of third party ultra wideband devices to establish geo-positional data
10/08/2003EP1350346A2 Pre-testing and certification of multiple access codes
10/08/2003EP1350334A2 Network quality of service localizer
10/08/2003EP1350153A2 System and method for device co-location discrimination
10/08/2003EP1161807B1 Data transmission device and method
10/08/2003EP1147621B1 Communication station with automatic cable loss compensation
10/08/2003CN1447555A Method for detecting synchronous signal in digital signal transmission
10/08/2003CN1447551A Method for measuring receiving sensitivity of base station with multi-frequency distribution
10/08/2003CN1447547A System and method for adjusting picked parameters of harrow shaped receiver
10/08/2003CN1447545A Method for detecting modulation modes in digital signal transmission
10/08/2003CN1447541A Method for detecting impulse interference in digital signal transmission
10/08/2003CN1447540A Monitoring alarm system for locating position and image transmission
10/08/2003CN1447532A Methof for simulating return loss of twisted-pairs in designing high-speed data communication system
10/08/2003CN1123989C Method and system for providing estimate of signal strength of received signal
10/07/2003US6631339 Data path evaluation system and method
10/07/2003US6631267 Road-based evaluation and interpolation of wireless network parameters
10/07/2003US6631264 Radio telephones and methods of operation
10/07/2003US6630992 Method and device for executing control and monitoring measurements in optical transmission paths
10/02/2003WO2003081922A1 Method and system for aligning a point-to-multipoint access terminal
10/02/2003WO2003081883A1 METHOD AND SYSTEM FOR QUALITY OF SERVICE (QoS) MONITORING FOR WIRELESS DEVICES
10/02/2003WO2003032003A3 Use of received signal strength indicator (rssi) and global positionong system (gps) to reduce power consumption in mobile station
10/02/2003WO2002025846A3 Calibration of a transmit branch and/or a receive branch of a quadrature transmitter and/or transceiver
10/02/2003US20030186725 Calibration apparatus for array antenna radio receiving apparatus
10/02/2003US20030186664 Distortion reduction calibration
10/02/2003US20030186663 Method and system for multi-sensor data fusion
10/02/2003US20030185564 Data transmission system, transmission method of optical network monitor control signal, and node
10/02/2003US20030185328 Radio frequency integrated circuit for loopback self-test
10/02/2003US20030185289 Cordless modem for portable computers
10/02/2003US20030185247 Method and system for wavelet packet transmission using a best base algorithm
10/02/2003US20030184468 Method and system for data fusion using spatial and temporal diversity between sensors
10/02/2003US20030184277 Variable gain received signal strength indicator
10/02/2003US20030183765 Method and system for target detection using an infra-red sensor
10/01/2003EP1349309A2 Method and system for control signaling in an open ring optical network
10/01/2003EP1349308A2 Flexible open ring optical network and method
10/01/2003EP1348270A1 Device for optimising a transmitter in accordance with transmission conditions, and reference receiver and transmitter for use in said device
10/01/2003EP1348268A2 Sir estimation using delay time of power control commands
10/01/2003CN1446335A System and method for efficiently visualizing and comparing communication network system performance
10/01/2003CN1446006A Method for adjusting intelligences antenna array system in real time
10/01/2003CN1445955A Communication system and receiver
10/01/2003CN1123259C Communications system and method for testing of communications apparatus
10/01/2003CN1123181C Modulation classification using RSSI
09/2003
09/30/2003US6629059 Hand held diagnostic and communication device with automatic bus detection
09/30/2003US6628930 Radio receiver with two tuners and a switch for verifying reception quality at an alternative frequency
09/25/2003WO2003079573A1 Method and apparatus providing calibration technique for rf performance tuning
09/25/2003WO2003079125A2 Hand held diagnostic and communication device with automatic bus detection
09/25/2003WO2003036886A3 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
09/25/2003US20030179730 Method for measuring receive sensitivity of base station having multiple frequency allocations
09/25/2003US20030179135 Method and system for aligning a point-to-multipoint access terminal
09/24/2003EP1347587A1 Method for estimating power in a CDMA receiver
09/24/2003EP1346492A1 Parameter estimation for adaptive antenna system
09/24/2003CN1444805A Method and system for power control in mobile radio systems
09/24/2003CN1122429C Wireless local loop system for radio communication between central telephone exchange and fixed subscriber
09/24/2003CN1122377C Correction of signal interference ratio measurement
09/23/2003US6625769 Method for IC fault analysis using programmable built-in self test and optical emission
09/23/2003US6625468 Digital portable telephone unit and method for playing back voice/sound in the same unit
09/23/2003US6625454 Method and system for designing or deploying a communications network which considers frequency dependent effects
09/23/2003US6625448 Acoustic testing system and method for communications devices
09/23/2003US6625446 Information processor, method of information processing and program storing medium
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