Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
03/2003
03/12/2003EP1292069A1 Device for detecting signal in wireless LAN
03/12/2003EP1292059A2 Method for testing an optical transceiver
03/12/2003EP1290899A1 Apparatus for and method of testing applications
03/12/2003EP1290804A1 Digitized automatic gain control system and methods for a controlled gain receiver
03/12/2003EP1147675B1 Method for conformance testing of radio communication equipment
03/12/2003CN1402870A Differentiation of error conditions in digital voice communication systems
03/12/2003CN1402517A Safety system capable of instantly monitoring
03/12/2003CN1402464A Automatic calibration and synchronization method using in digital asynchronous communication transmission system
03/12/2003CN1402454A Simplified multiple user testing method for radio receiver
03/12/2003CN1402452A Method for computing reverse load in CDMA mobile communication system
03/12/2003CN1402448A Signal-to-noise ratio setting for modem
03/12/2003CN1103152C Method and system for monitoring remote base station transceiver subsystem
03/12/2003CN1103149C Method and apparatus for coherently averaged power estimation
03/11/2003US6532258 Method for estimating signal-to-noise ratio of digital carriers in an AM compatible digital audio broadcasting system
03/11/2003US6532252 Device and method for measuring non-orthogonal noise power for CDMA communication system
03/11/2003US6532222 Apparatus and methods for improving the assignment of parallel demodulators to multipaths of wireless signals
03/06/2003WO2003019891A1 Monitoring upstream frequency band
03/06/2003WO2003019827A1 Radio station and radio system with modeling of multipath propagation
03/06/2003WO2003019826A1 Radio station with multipath signal modeling
03/06/2003WO2003019820A1 Apparatus and method for transmitting and receiving forward channel quality information in a mobile communication system
03/06/2003WO2003019819A1 Power controlling method during a soft handoff in a mobile communication system
03/06/2003WO2002041504A3 Methods and apparatus for identifying asset location in communication networks
03/06/2003WO2002025837A3 Method and apparatus for determining an operating condition in a communications system using antenna arrays
03/06/2003US20030045321 Power controlling method during a soft handoff in a mobile communication system
03/06/2003US20030045312 Linear phase compander for FM broadcast
03/06/2003US20030045240 Fault detection for subscriber loop repeaters
03/06/2003US20030043934 System and method for applying delay codes to pulse train signals
03/06/2003US20030043752 Optical transceiver, a multiplexing integrated circuit, a demultiplexing integrated circuit, an integral multiplexing/demultiplexing integrated circuit, and method for evaluating and testing the optical transceiver
03/06/2003CA2457045A1 Monitoring upstream frequency band
03/05/2003EP1289167A1 Reporting absolute and relative downlink channel quality information in a mobile communication system
03/05/2003EP1289166A2 Power controlling method during a soft handoff in a mobile communication system
03/05/2003EP1289157A1 Linear phase compander for FM broadcast
03/05/2003EP1289156A1 Noise reduction in a stereo receiver comprising an expander
03/05/2003EP1289057A1 Adaptive array device, wireless base station and cellular telephone
03/05/2003EP1287708A2 Dynamic quality of service monitor
03/05/2003EP1287367A1 Method for the determination of the average long-term power of a digital modulated signal
03/05/2003EP0772947B1 Antenna and feeder cable tester
03/05/2003CN1400801A Communication equipment and method capable of up/down connecting
03/05/2003CN1400751A Virtual testing system in communication protocal conformance test and its method
03/04/2003US6529547 Storage and reproduction method and apparatus
02/2003
02/27/2003WO2003017696A1 Interference reduction in a time division duplex communication system using code division multiple access
02/27/2003WO2002089371A8 Power division multiplexing with incoherent signals and fixed powder hierarchy
02/27/2003WO2002069648A3 Pre-testing and certification of multiple access codes
02/27/2003US20030040318 Method for establishing a radio coverage map
02/27/2003US20030040307 Testing loops for channel codecs
02/27/2003US20030039319 Monitoring upstream frequency band
02/27/2003US20030039222 Apparatus and method for measuring a received signal to interference ratio in a mobile communication system
02/27/2003US20030039214 Method for determining the end of transmission in a software radio having multiple processors
02/27/2003US20030039207 Transmission apparatus equipped with an alarm transfer device
02/27/2003US20030038769 Activity display for multiple data channels over period of time
02/27/2003US20030038618 Network analyzer using time sequenced measurements
02/27/2003CA2457310A1 Interference reduction in a time division duplex communication system using code division multiple access
02/26/2003EP1082866B1 Method and system for testing data channel functionality in a radio apparatus
02/26/2003EP1010259B1 System for and method of measuring power
02/26/2003EP0932948B1 Pinpointing interruptions in communication links
02/26/2003CN1399492A Receiver monitoring system and method for radio base station system
02/26/2003CN1399192A Cross expanding device and method via radio communication
02/26/2003CN1399138A RF automatic changing batch testing method
02/25/2003US6526295 Power conservation method in mobile communications device
02/25/2003US6526260 Cross-channel interference
02/25/2003US6526259 Portable self-similar traffic generation models
02/25/2003US6523233 Method and apparatus for telephone network impairment detection and compensation in signal transmission between modems
02/20/2003WO2003015318A1 Base station with a sensor system for measuring local data
02/20/2003WO2002017531A1 Sir measure method and apparatus for the same
02/20/2003US20030037155 System and method for monitoring and testing network elements
02/20/2003US20030036689 Signal processing apparatus
02/20/2003US20030036358 Cross cell user equipment interference reduction in a time division duplex communication system using code division multiple access
02/20/2003US20030035184 Optical transmission system
02/20/2003US20030035164 Method of making an optical transmission system safe, a device for implementing the method, and an optical transmission system including the device
02/19/2003EP1284547A1 Method and apparatus for protection in an optical transmission system
02/19/2003CN1101997C Method and appts. for rate determination in communication system
02/18/2003US6522725 Speech recognition system capable of flexibly changing speech recognizing function without deteriorating quality of recognition result
02/18/2003US6522691 Method of and apparatus for determining the capacity of a telecommunications system
02/18/2003US6522295 Passive coherent location system and method
02/18/2003CA2244428C System and method for measuring channel quality information
02/13/2003WO2002095961A3 A method and electronic circuit for detecting an alternating current component
02/13/2003WO2002071305A3 On-line health monitoring
02/13/2003US20030032423 Determining a calibration function using at least one remote terminal
02/13/2003US20030031237 Method for improving the reception of a CDMA receiver, and a CDMA receiver with improved reception
02/13/2003US20030031143 Method for transferring intersystem connections
02/13/2003DE10157216C1 Active reception group antennna for RF or HF signals has each reception channel supplied with local oscillator signal and calibration signal via distribution network
02/12/2003EP1283644A1 Method for determining a radio coverage map
02/12/2003EP1282950A2 Method of dynamic transmit scheduling using channel quality feedback
02/12/2003EP1282948A2 Transmission quality measurement in a communication network
02/12/2003EP1282809A1 Wavelength monitor for wdm systems
02/12/2003EP1038366B1 Simulation process of radiofrequency scenario in radio mobile environment and testing system employing said process
02/12/2003CN1397145A Method for transferring intersystem connections
02/12/2003CN1397116A Method and system for displaying amplitude distortions of transmission channel
02/12/2003CN1397113A System and method for measuring in-band cross-talk in optical communication system
02/12/2003CN1396771A Security monitor system for cable TV network
02/12/2003CN1101170C Physiological signal processing apparatus and physiological monitor
02/11/2003US6519476 Radio communication system wherein insertion of an attachable external storage medium causes the mobile to interact with the system
02/11/2003US6519464 Use of third party ultra wideband devices to establish geo-positional data
02/11/2003US6518741 Modulation analyzing apparatus with balance/imbalance converter
02/06/2003WO2003010929A1 Method and system for transmitting data from a first data network into a second data network
02/06/2003WO2002049221A3 Method and apparatus for a waveform quality measurement_____
02/06/2003WO2002041651A3 Methods and apparatus for identifying asset location in mobile co mmunication networks
02/06/2003US20030025963 Method and apparatus for monitoring WDM optical signal
02/06/2003US20030025704 Display of code power levels and relationships of multiple spreading factor orthogonal codes in a CDMA signal
02/06/2003CA2454274A1 Method and arrangement for transmission of data from a first data network to a second data network