Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
09/2003
09/23/2003US6625428 Voltage standing-wave ratio measurement apparatus and use in a cellular communications system
09/23/2003US6625125 Method and device for measuring field strength of received signal in time-division multiple access
09/23/2003US6624784 Adaptive array antenna
09/23/2003CA2273038C Antenna adapter
09/18/2003WO2003077482A1 A method and system for providing a single unified channel quieting/measurement request element in an 802.11 wireless local area network
09/18/2003WO2003077452A1 A system and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer ii routing in a wireless communication network
09/18/2003WO2003077451A1 An in-home receiver system
09/18/2003WO2003077450A1 Hardware support for sinr calculation in mobile radio receivers
09/18/2003WO2003077060A2 Test system for simulating a wireless environment and method of using same
09/18/2003WO2003075632A2 Rf amplifier system with interface to provide a computer readable spectral depiction of the re output
09/18/2003US20030177416 Diagnosis of data packet transfer faults using constraints
09/18/2003US20030176984 Signal measurement
09/18/2003US20030176174 Method and apparatus providing calibration technique for RF performance tuning
09/18/2003US20030176166 Calibration device, adaptive array device, calibration method, program recording medium and program
09/18/2003US20030174765 Method of and a device for generating a signal having a predetermined quality criterion for use in or on a communication system
09/18/2003US20030174764 Radio frequency communication network having adaptive communication parameters
09/18/2003CA2476516A1 A system and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer ii routing in a wireless communication network
09/17/2003EP1344419A2 Method for determining the transmission quality in a transmission system and corresponding transmission system
09/17/2003EP1344325A1 Radio transmission device and method for aligning parameters thereof
09/17/2003EP1095472B1 Method and device for executing control and monitoring measurements in optical transmission paths
09/17/2003EP0667019B1 Hand-held data capture system with interchangeable modules
09/17/2003CN1443426A Interference suppression procedure for superordinate NMC correlation of alarms with results of automatic tests
09/17/2003CN1443404A Apparatus, method and program for displaying waveform quality of CDMA signal, and recorded medium where program recorded
09/17/2003CN1442699A Interference elimination in antenna testing
09/17/2003CN1121804C Apparatus and method for measuring voltage standing wave radio in antenna of base station
09/16/2003US6621369 Method and system for determining transmission path delay
09/16/2003CA2149135C An apparatus and method for detecting potentially fraudulent telecommunication activity
09/12/2003WO2003075590A1 Testing mobile telephone terminals
09/12/2003WO2003075485A1 Power control device and method for calibrating the power of a transmitter or receiver in a mobile communication network
09/12/2003WO2002047258A3 Signal processing
09/12/2003WO2002021704A3 Power margin control
09/11/2003US20030171139 Diversity branch delay alignment in radio base station
09/11/2003US20030169851 Interference suppression procedure for a superordinate nmc by correlation of alarms with results of automatic tests
09/11/2003US20030169189 Robust system for transmitting and receiving map data
09/10/2003EP1342335A2 Method and apparatus for waveform quality measurement
09/10/2003CN1121102C Device and method for measuring non-orthognal noise for CDMA communication system
09/09/2003US6618696 Method of testing and simulating communication equipment over multiple transmission channels
09/09/2003US6618453 Estimating interference in a communication system
09/09/2003US6618001 Apparatus for detecting signal
09/09/2003CA2098194C Method of fault identification for multiplexed devices
09/04/2003WO2003073775A1 Self-monitoring radio network
09/04/2003WO2003073658A1 Communication obstacle searching apparatus
09/04/2003WO2003073657A1 Polarized wave measuring apparatus, and antenna characteristic apparatus and radio wave measuring apparatus using the same
09/04/2003WO2003073649A1 Radio device, radio device calibration system, calibration method, and calibration program
09/04/2003WO2003073644A1 Channel quality feedback for power control in a cdma system
09/04/2003WO2003049466A8 Method and apparatus for optimal utilization of a radio channel based on cognition model data
09/03/2003EP1341335A2 Channel monitoring for improved parameter selection in a communication system
09/03/2003EP1341326A1 Link restoration in a fixed wireless transmission network
09/03/2003EP1340398A2 Preliminary performance of handover functions in telecommunications system
09/03/2003EP1340328A1 Method of radio channel simulation and channel simulator
09/03/2003EP1340327A1 Component measures
09/03/2003CN1440603A Method and device for generating signal having predetermined quality criterion for use in or on communication system
09/03/2003CN1440598A Method and device for evaluating radio signal
09/03/2003CN1440150A Multiple access interference restraining method based on interference estimation
09/03/2003CN1120571C Method and apparatus for estimating frequency offset
09/02/2003US6615024 Method and apparatus for determining signatures for calibrating a communication station having an antenna array
09/02/2003US6614852 System for the estimation of the complex gain of a transmission channel
09/02/2003US6614763 Method of and apparatus for measuring network communication performances, as well as computer readable record medium having network communication performance measuring program stored therein
08/2003
08/28/2003WO2003071721A1 System and method for channel quality feedback
08/28/2003WO2003071694A1 Transmission output circuit and mobile communication terminal
08/28/2003WO2003071293A1 Method and system for sampling at least one antenna
08/28/2003WO2002061965A3 Method and apparatus providing real-time adjacent channel power ratio (acpr) in a mobile station
08/28/2003US20030162504 Self-monitoring radio network
08/28/2003US20030161285 Method and apparatus for channel quality feedback in a wireless communication
08/28/2003US20030161261 Link restoration in a fixed wireless transmission network
08/28/2003CA2475517A1 System and method for channel quality feedback
08/27/2003EP1339166A2 Direct conversion receivers and methods therefor
08/27/2003CN1438805A Domestic safety long-distance image monitoring system
08/27/2003CN1438781A Wireless receiver of estimating interference power
08/26/2003US6611500 Methods and apparatus for derivative-based optimization of wireless network performance
08/21/2003WO2003069815A1 Method and system for transmission of carrier signals between first and second antenna networks
08/21/2003WO2003069814A2 Wireless network simulator
08/21/2003US20030158613 Apparatus and method for testing micropower short-wave frequency-modulated digital radio
08/21/2003US20030157955 Method and system for power control of a wireless communication device, and a wireless communication device
08/21/2003US20030157932 Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data
08/21/2003US20030157931 Method for testing the quality of mobile radio networks
08/21/2003US20030157907 Method for securing the operation of a receiver, and a radio apparatus
08/21/2003US20030157900 Channel quality feedback mechanism and method
08/21/2003US20030157894 Apparatus for testing isolation status in outdoor RF repeater and method thereof
08/21/2003US20030156634 Method of and system for interference measurement
08/21/2003US20030156633 In-service measurement of perceived speech quality by measuring objective error parameters
08/21/2003US20030156549 Method and system for evaluating wireless applications
08/21/2003US20030155904 Methods and apparatus for power measuring receiver
08/20/2003EP1337068A1 Interference measurement
08/20/2003EP1337054A2 Wireless receiver estimating power of interference
08/20/2003EP1336310A2 Methods and apparatus for identifying asset location in mobile communication networks
08/20/2003EP1336277A2 Methods and apparatus for identifying asset location in mobile communication networks
08/20/2003EP1336265A1 Interference power estimation for adaptive antenna system
08/20/2003EP1336264A1 Antenna system
08/20/2003CN1437703A Wavelength monitor for WDM systems
08/20/2003CN1437345A Space-time iterative multiuser detecting algorithm based on soft sensitive bit and space grouping
08/20/2003CN1437336A Mutual state detecting method for communicator boards
08/20/2003CN1437335A Remote monitoring network device
08/20/2003CN1119056C Method and system for testing data channel function in radio equipment
08/20/2003CN1118970C Parameter estimation method and receiver
08/20/2003CN1118969C Adaptive method of channel assignement in cellular communication system
08/19/2003US6609001 Apparatus and method for providing signal quality measurements in drive test systems for wireless networks
08/19/2003US6608475 Network analyzer using time sequenced measurements
08/14/2003US20030154057 QSD recovery of superposed transient responses
08/14/2003US20030153289 Digitized automatic gain control system and methods for a controlled gain receiver
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