Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
05/2004
05/26/2004CN1499749A System for monitoring and diagnosing statas and faults of devices in mobile working machine cluster based on network
05/26/2004CN1499748A Method for testing phase reversal of tone signal
05/26/2004CN1151618C System and method for implementing monitor function by blue tooth technique
05/25/2004US6741866 Fade margin test
05/25/2004US6741843 Method and arrangement for service-based indication and control of a service need
05/25/2004US6741839 System and method for monitoring adjacent channel power in a wireless base station
05/25/2004US6741640 System and method for measuring the return loss of an antenna
05/25/2004US6741639 Radio communicating apparatus radio communicating method and recording medium
05/25/2004CA2377923C Method for dynamic transmitter training for a shared communication system utilizing dynamic channel allocation
05/21/2004WO2004042982A2 Method for channel quality prediction for wireless communication systems
05/21/2004WO2004042970A1 Method for estimating a channel quality
05/21/2004CA2502844A1 Method for channel quality prediction for wireless communication systems
05/20/2004US20040097237 Method of collecting information in mobile communication system
05/20/2004US20040097197 Mobile station speed estimation
05/20/2004US20040097196 Method and device for evaluating the energy level of a radio signal
05/20/2004US20040095895 Method for power detection of multicarrier signals, radio transmission unit and module for such a unit
05/19/2004EP1420529A2 Receiving apparatus, transmitting apparatus, and reception method in mimo system
05/19/2004EP1419630A1 Monitoring upstream frequency band
05/19/2004EP1419588A2 System for adjusting gain of a mobile station during an idle period of the serving base station
05/19/2004DE10251479A1 Assessing data transmission channel quality between base station and mobile station, employs two or more antenna elements when assessing information exchange
05/19/2004CN2617089Y Household wireless bidirectional communication monitoring system
05/19/2004CN2617088Y Remote distance wireless monitoring device
05/19/2004CN1498468A Testing loops for channel coder-decoder
05/19/2004CN1498467A Testing loops for channel coder-decorder
05/19/2004CN1497989A Mobile communication system, mobile communication method and mobile station suitable for it
05/19/2004CN1497878A System for monitoring direct broadcast radio signal
05/19/2004CN1150701C Centralized monitoring system for mobile communication power supply
05/13/2004WO2004040924A1 Method and apparatus for tailoring carrier power requirements according to availability in layered modulation systems
05/13/2004WO2004040816A1 Synchronous follow-up device and method
05/13/2004WO2004040813A1 Channel estimation for ofdm communication systems
05/13/2004WO2004040806A1 Amplitude and phase matching for layered modulation reception
05/13/2004WO2004040785A1 Receiver
05/13/2004WO2004040403A2 Lower complexity layered modulation signal processor
05/13/2004WO2004010646A3 Fault diagnosis system
05/13/2004US20040093363 Portable computerized data communication device
05/13/2004US20040093178 Method and apparatus for determining signal-to-interference ratio with reduced bias effect
05/13/2004US20040093135 Apparatus and method for testing performance of mobile station having GPS function
05/13/2004US20040091033 On-line phase noise measurement for layered modulation
05/13/2004US20040090947 Method, apparatus, and system for receiving data on a first frequency band and observing a second frequency band
05/13/2004DE19523343B4 Vorrichtung zum Messen einer Leckleistung An apparatus for measuring a leakage power
05/13/2004CA2501465A1 Channel estimation for ofdm communication systems
05/12/2004EP1417849A1 Interference reduction in a time division duplex communication system using code division multiple access
05/12/2004CN2615967Y Monitoring apparatus
05/12/2004CN2615966Y Long-distance monitoring apparatus
05/12/2004CN2615671Y Radio electromagnetic wave absorption and shield detecting box
05/12/2004CN1496622A Method for extracting variable reference pattern
05/12/2004CN1496483A A chamber for and method of processing electronic devices and use of such chamber
05/12/2004CN1496158A Equpment for detecting power ratio between service channel and pilot channel and its method
05/12/2004CN1149807C Communication apparatus and method for estimating communication connection in multi-node network
05/12/2004CN1149776C Apparatus for checking for defect of serial communication device and method thereof
05/12/2004CN1149762C Method and appts for determining characteristics of components of communication channel under load
05/12/2004CN1149757C Reception level measuring system
05/12/2004CN1149751C Method for the transmission of information and apparatus employing the method
05/12/2004CN1149712C Method and apparatus for antenna array calibration
05/11/2004US6735544 System and method for predicting radio wave propagation characteristics
05/11/2004US6735436 System and method for quantifying accuracy of interference analysis in a telecommunications network
05/11/2004US6735420 Transmit power control for multiple rate wireless communications
05/11/2004US6735216 Simplified quality indicator bit test procedures
05/06/2004WO2004038979A2 Passive optical network address association recovery
05/06/2004WO2004038445A2 Data monitoring system in communication network and monitoring method thereof
05/06/2004WO2003098916A3 High-resolution image projection
05/06/2004US20040088628 Method and device for simulating radio channel
05/06/2004US20040088124 Method and device for measuring an electric signal power
05/06/2004US20040085929 Array antenna transceiver and calibrating method of transmission route used for the same
05/06/2004US20040085242 Synthetic Doppler system and method for locating cooperative transceivers
05/06/2004US20040085126 Accurate power detection for a multi-stage amplifier
05/06/2004US20040085056 Electronic appartus, specification identification method therefor and manufacturing method therefor
05/06/2004EP1416655A2 Array antenna transceiver and calibrating method of transmission route used for the same
05/06/2004EP1032975B1 Method and apparatus for estimating a frequency offset
05/05/2004CN2614403Y Automatic monitoring device for television program reception
05/05/2004CN1494345A Tracking monitoring system of mobile communication equipment
05/05/2004CN1494344A Up link network load analog system and method
05/05/2004CN1494334A Treatment method of error on radio special channel
05/05/2004CN1494223A Double audio frequency signal receiver
05/05/2004CN1148922C Optimization of cannel equalizer
05/05/2004CN1148895C Base station unit and method for radio communication
05/04/2004US6732061 Monitoring system and method implementing a channel plan
05/04/2004US6731931 Idle mode measurement
05/04/2004US6731918 Signal strength detecting device with little temperature dependence
05/04/2004US6731910 Data transmission system, data transmitter and data receiver used in the data transmission system
05/04/2004US6731879 Submarine communications system and landing-stage therefor
05/04/2004US6731738 Call tones in communication networks
05/04/2004US6731703 Reception power level calculating circuit and receiver using the same
05/04/2004US6731101 Modulation semiconductor integrated circuit device and testing method for oscillation circuit
05/04/2004CA2237696C Method and apparatus for signal strength measurement of supervisory audio tones (sats) in a radio communications system
04/2004
04/30/2004CA2446842A1 Synthetic doppler system and method for locating cooperative transceivers
04/29/2004WO2004036945A1 Method to evaluate whether a time delay is better than a time limit
04/29/2004WO2004036936A1 System and method fo operation for network overlay geolocation system with repeaters
04/29/2004WO2004036935A1 Network overlay location system and method for air interface with frequency hopping
04/29/2004WO2004036934A1 Network overlay geo-location system with smart antennas
04/29/2004WO2004036924A2 Enhancing the accuracy of a location estimate
04/29/2004WO2004036782A1 Radio reception device and sir calculation method
04/29/2004WO2004036763A2 Multipath signal strength indicator
04/29/2004WO2004036525A2 A system and method for estimating the multi-path delays in a signal using a spatially blind antenna array
04/29/2004WO2004036428A1 Repeat digital message transmission between a microprocessor monitoring circuit and an analyzing tool
04/29/2004WO2004036361A2 Wireless communication network measurement data collection using infrastructure overlay-based handset location systems
04/29/2004WO2003088532A8 Intrusion detection system for wireless networks
04/29/2004US20040081121 Method and system for multi-cell interference reduction in a wireless communication system
04/28/2004EP1413072A1 Method and system for programmable submarine network configuration plans to enable diverse service level agreements in telecommunication networks
04/28/2004CN1493125A Method for handover in synchronous CDMA