Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
12/2003
12/04/2003US20030224741 System and method for classifying signals occuring in a frequency band
12/04/2003US20030224733 Method and apparatus for estimating signal quality for uplink interference avoidance
12/04/2003US20030223486 Method for detecting data transmission rate of USB controller by using USB device
12/03/2003EP1367844A1 High-speed all-band-cell search cellular phone
12/03/2003EP1367753A2 Method and system for testing during operation of an open ring optical network
12/03/2003EP1367670A1 Calibration for an adaptive array antenna
12/03/2003EP1366633A1 Measurement-based prediction method for radiation path loss
12/03/2003EP1366582A1 Method and system for interference measurements in a telecommunication system
12/03/2003EP1064697B1 Phased array antenna calibration system and method using array clusters
12/03/2003CN1459985A Radio job flow control method in GSM system
12/03/2003CN1459936A Testing method of differential IQ signal analysis
12/03/2003CN1130098C Wireless butt set
12/03/2003CN1130046C Method and apparatus for simulating interference received by subscribers in spread spectrum communications system
12/03/2003CN1130045C Wirless information apparatus for monitoring preset selective item and its method
12/03/2003CN1130041C Apparatus and method for measuring noise power in CDMA mobile communication system
12/02/2003US6658261 Method for sinusoidal modeling and prediction of fast fading processes
12/02/2003US6657214 Shielded enclosure for testing wireless communication devices
12/02/2003CA2328216C Method and system for estimating the ability of a subscriber loop to support broadband services
11/2003
11/27/2003WO2003098949A1 Method for preventing erroneous detection of transmission output level error in a radio base station device and radio base station device
11/27/2003WO2003098916A2 High-resolution image projection
11/27/2003WO2003098839A1 Adaptive antenna transmission apparatus, and base station apparatus using the same
11/27/2003WO2003098238A1 Local sar measurement device and method
11/27/2003WO2003077060A3 Test system for simulating a wireless environment and method of using same
11/27/2003US20030219069 Signal, interference and noise power measurement
11/27/2003US20030218999 SIR measure method and apparatus for the same
11/26/2003EP1364489A2 Power margin control
11/26/2003EP1364476A2 Calibration of a transmit branch and/or a receive branch of a quadrature transmitter and/or transceiver
11/26/2003CN2588674Y Double-network on-line logh-distance monitoring controller
11/26/2003CN2588673Y Longwave signal automatic monitoring instrument
11/26/2003CN1458757A Primary synchronous detection system for honeycomb searching of division code multiple task assess system
11/26/2003CN1458754A Global positioning and monitoring method for moving object
11/26/2003CN1129252C Radio wave propagation prediction method using urban canyon model
11/25/2003US6654594 Digitized automatic gain control system and methods for a controlled gain receiver
11/25/2003US6654590 Determining a calibration function using at least one remote terminal
11/25/2003US6654411 Method and system for estimating error rate of a communication channel over a wide dynamic range
11/20/2003WO2003096560A1 Antenna adaptation in a time division duplexing system
11/20/2003US20030217342 Circuitry cross-talk analysis with consideration of signal transitions
11/20/2003CA2485165A1 Antenna adaptation in a time division duplexing system
11/19/2003EP1362441A1 Communication system indicating low link quality
11/19/2003EP1362440A1 System and method for reducing multipath distortion in wireless distance measurement systems
11/19/2003CN1457589A Accepting and conveying voice mail message
11/19/2003CN1457569A Method of performing channel simulation, and channel simulator
11/19/2003CN1457163A Real-time monitoring system for electromagnetic environment of synchronous CDMA communications system
11/19/2003CN1456898A Automatic positioning system/global positioning system receiver comprehensive testing system
11/18/2003US6651207 Method and system for improving voice quality in cordless communications
11/18/2003US6650917 Signal processing apparatus
11/18/2003US6650872 Method and device for estimating a carrier-to-interference ratio in a radio communication system
11/13/2003WO2003094565A1 Apparatus and method of transmission link quality indicator
11/13/2003WO2003094544A1 Method and apparatus for ul interference avoidance by dl measurements and ifho
11/13/2003WO2003094543A1 Method and apparatus for estimating signal quality for uplink interference avoidance
11/13/2003WO2003094542A1 Method and apparatus for soft handover area detection using inter-band measurements
11/13/2003WO2003094541A1 Handovers of user equipment connections in wireless communication systems
11/13/2003WO2003094484A2 Method and apparatus for utilizing synchronization information
11/13/2003WO2003094395A1 Method and apparatus for cell identification for uplink interference avoidance using inter-frequency measurements
11/12/2003EP1361676A2 Method and apparatus for performing power control in a mobile communication system
11/12/2003EP1361675A2 Method and apparatus for performing power control in a mobile communication system
11/12/2003EP1360778A1 Method and apparatus for link quality feedback in a wireless communication
11/12/2003EP1360773A2 Signal processing
11/12/2003EP0944987B1 Voice path testing in telecommunications systems
11/12/2003CN1455617A System for monitoring mobile communication performance
11/12/2003CN1455552A Far-end real-time monitoring system realizing method
11/12/2003CN1455534A Speed detecting method for variable speed communication system
11/12/2003CN1455523A Method and system of controlling network communication of automation based on blue-tooth technique
11/12/2003CN1127874C Mobile radio station
11/12/2003CN1127826C Mobile radio wave receiver with adaptive automatic gain control
11/12/2003CN1127817C Mobile communication terminal and method of detecting received signal strength
11/12/2003CN1127816C Method of adjustable frequency of cellular radio relay and relay thereof
11/12/2003CN1127808C Method and apparatus for saving current while performing signal strength measurements in homodyne receiver
11/11/2003US6647276 Antenna unit and radio base station therewith
11/11/2003US6647246 Apparatus and method of synchronization using delay measurements
11/06/2003WO2002093777A3 Transmission power level estimation
11/05/2003EP1358728A1 Method for extracting a variable reference pattern
11/05/2003EP1358717A1 Method for determining the interference power in a CDMA radio receiver
11/05/2003CN2585501Y Function automatic testing device used for speech secrecy communication equipment
11/05/2003CN2585500Y Multi-channel signal selecting device used for testing device
11/05/2003CN1127230C Answering determining method, communication method and radio receiving transmitting unit
11/04/2003US6643339 Receiver and receiving method
11/04/2003US6643337 Codifference correlator for impulsive signals and noise
11/04/2003US6642926 Test and measurement instrument having telecommunications mask testing capability with a mask zoom feature
10/2003
10/30/2003WO2003090412A1 Pre-notification of potential connection loss in a wireless local area network
10/30/2003WO2003090386A1 Apparatus and method for calibrating and compensating for distortion of an output signal in a smart antenna
10/30/2003WO2003090376A1 System and method for classifying signals occuring in a frequency band
10/30/2003WO2003090372A1 Sir measurement device and method
10/30/2003US20030203723 Estimating power on spatial channels
10/30/2003US20030202571 Method for implementing a communication transceiver impairment emulator
10/30/2003US20030202568 Interference canceling device and method in mobile communication system
10/30/2003US20030202495 Power normalization in WLAN receivers
10/30/2003CA2522704A1 Apparatus and method for calibrating and compensating for distortion of an output signal in a smart antenna
10/29/2003EP1356702A1 Activating interfrequency handover in a wireless network
10/29/2003CN1452818A Calibration device, adaptive array device, calibration method, program recording medium and program
10/29/2003CN1452424A Method and device for digitized survey of radio communication base station
10/29/2003CN1452331A Digitized real time multi-channel video and audio differential mode detecting method
10/29/2003CN1452330A Double communication device and method for remote monitoring and controlling
10/28/2003US6640318 Continuity testing in communication networks
10/28/2003US6640089 System and method for adaptively predicting radio wave propagation
10/28/2003US6639955 Generator for complex fading signals
10/28/2003US6639909 Receiver having functions for cancelling DC offset and measuring carrier detection threshold value, and control method thereof
10/28/2003US6639701 Fiber optic transmission with fiber amplifiers and supervisory signals
10/28/2003US6639541 Device and method for detecting, measuring, and reporting low-level interference at a receiver
10/23/2003WO2003088532A1 Intrusion detection system for wireless networks
1 ... 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 ... 295