Patents for H04B 17 - Monitoring; Testing (29,423) |
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06/26/2001 | US6252542 Phased array antenna calibration system and method using array clusters |
06/21/2001 | WO2001045276A2 Method and apparatus for detecting base station transceivers' malfunctions |
06/21/2001 | US20010004586 Apparatus and method for compensating received signal strength indicator according to temperature |
06/21/2001 | CA2327761A1 Wireless systems combining arrangement and method thereof |
06/20/2001 | EP1108297A1 Method and device for measuring the transmission quality of a transmission channel |
06/20/2001 | EP1108221A1 Method and arrangement for checking cable connections |
06/20/2001 | EP0755615B1 Method for adapting a transmission mode in a mobile radiocommunication system |
06/20/2001 | CN1300485A Testing device and method |
06/19/2001 | US6249678 Communication unit and method for performing neighbor site measurements in a communication system |
06/14/2001 | WO2001043333A1 Mobile equipment based filtering for packet radio service applications |
06/14/2001 | WO2001029610A3 Device for controlling an optical signal modulation frequency, and in particular for controlling microwave or millimetric modulation frequency |
06/14/2001 | US20010003536 Reception power level calculating circuit and receiver using the same |
06/13/2001 | EP1107628A2 Deferral of transmissions in wireless local area network |
06/13/2001 | EP1107526A1 Channel estimation using weighted averages over several time slots |
06/13/2001 | EP1107490A1 Method and system for monitoring a radio transmission link |
06/13/2001 | EP1105978A1 Method for simultaneously measuring the propagating characteristics of a plurality of radioelectric channels |
06/13/2001 | CN1299571A Method for measuring signal timing, and radio system |
06/12/2001 | US6246867 Method and apparatus for saving current while performing signal strength measurements in a homodyne receiver |
06/07/2001 | WO2001041485A1 Method for conformance testing of radio communication equipment |
06/07/2001 | WO2001041335A1 Relative velocity estimation using tpc-commands |
06/07/2001 | WO2001041128A1 Differentiation of error conditions in digital voice communication systems |
06/07/2001 | WO2001028133A3 Method and device for continuously monitoring an optical transmission path |
06/06/2001 | EP1104961A1 Deferral of transmissions in wireless local area network |
06/06/2001 | EP1104643A2 Changing a faulty radio channel |
06/06/2001 | EP1104615A1 Determination of the operability of a radio channel |
06/06/2001 | EP1104602A1 Optical subscriber access network |
06/06/2001 | CN2433781Y RS-232 interface conversion and extension device |
06/06/2001 | CN1298233A On-line signal offset monitoring method |
06/05/2001 | US6243576 Radio communication analyzer suited for measurement of plurality of types of digital communication systems |
06/05/2001 | US6243568 System and method for intuitively indicating signal quality in a wireless digital communications network |
06/05/2001 | US6243371 Method and apparatus for interference avoidance in a wireless communication system |
05/31/2001 | WO2001039409A1 A task oriented graphical user interface for a communication test set |
05/31/2001 | WO2001039408A1 Transmission gap interference measurement |
05/31/2001 | CA2392913A1 A task oriented graphical user interface for a communication test set |
05/30/2001 | EP1104122A1 Radio device and method of calibration thereof |
05/30/2001 | CN1297660A CDMA base station device and CDMA communication method |
05/30/2001 | CN1297632A Method and system for estimating ability of subscriber loop to support broadband services |
05/29/2001 | US6240282 Apparatus for performing non-linear signal classification in a communications system |
05/29/2001 | US6240275 System and method for channel assignment based upon interference and channel quality measurements |
05/25/2001 | WO2001037464A1 Modulation analyzer |
05/25/2001 | WO2001037463A1 A method for transmitting measurement data in a wireless communication system and a wireless communication system |
05/25/2001 | WO2001037447A1 Method for selecting timeslot power control mode based on mobile station characteristics |
05/24/2001 | US20010001760 Data transmission system, data transmitter and data receiver used in the data transmission system |
05/23/2001 | EP1102426A2 Wireless modem alignment in a multicell environment |
05/23/2001 | CN1296363A Calibration for radio moden in multicell environment |
05/22/2001 | US6236872 Signal processing apparatus |
05/22/2001 | US6236865 Operating a cellular telecommunication system |
05/22/2001 | US6236840 Transmission output detecting circuit |
05/22/2001 | US6236690 Direct-conversion receiver for digital-modulation signal |
05/22/2001 | US6236371 System and method for testing antenna frequency response |
05/17/2001 | WO2001035546A1 Method for monitoring transmission quality |
05/17/2001 | CA2660092A1 Method and communication system for managing a communication network |
05/16/2001 | EP1100227A1 Telecommunication system, terminal, network, monitor and method |
05/16/2001 | EP1100205A2 Error code wire fault detection |
05/16/2001 | CN1295417A Method and apparatus for wireless network performance based on derivative optimization |
05/16/2001 | CN1295416A Evaluation and interpolation for wireless network parameter based on path |
05/16/2001 | CN1295415A Method and apparatus for measuring telecommunication path |
05/16/2001 | CN1295389A Central monitor system of mobile telecommunication base station |
05/16/2001 | CN1066003C Radio system and subscriber terminal for radio system |
05/15/2001 | US6233708 Method and device for frame error detection |
05/15/2001 | US6233437 Method and apparatus for testing mobile communication device employing frequency hopping |
05/15/2001 | US6233433 Apparatus and method of testing multi-beam satellite repeater in-orbit from a single ground station using a sampling and combining matrix |
05/15/2001 | US6233274 Non-invasive digital cable test system |
05/15/2001 | US6233247 Method and system for avoiding communication failure in CDMA systems |
05/15/2001 | US6233072 Method and system for restoring coincident line and facility failures |
05/15/2001 | US6232909 Communication network optimization tool |
05/15/2001 | US6232816 Signal level monitoring circuit |
05/15/2001 | CA2325124A1 Wireless modem alignment in a multi-cell environment |
05/10/2001 | WO2001033769A2 A method and apparatus for the detection and classification of collisions on a shared access rf network |
05/10/2001 | WO2001033734A1 A system and method for monitoring a wiretap |
05/10/2001 | WO2001018979A3 Method for reducing reception interferences, especially multiway reception interferences, for receiving a radio signal and circuit for carrying out this method |
05/10/2001 | US20010000959 System and method of radio transmission between a radio transmitter and radio receiver |
05/10/2001 | DE19952949A1 Power and/or interference estimating method in TD/CDMA based radio communication system |
05/09/2001 | EP1098546A2 Methods and apparatus for derivative based optimization of wireless network performance |
05/09/2001 | EP1098544A2 Road-based evaluation and interpolation of wireless network parameters |
05/09/2001 | EP1097521A1 Network amplifier monitoring circuit |
05/09/2001 | CN1294826A Method for determining confidence limit |
05/09/2001 | CN1294791A Method and system for providing estimate of signal strength of received signal |
05/08/2001 | US6229997 Interference detecting receiver |
05/08/2001 | US6229843 Pilot adaptive vector correlator |
05/08/2001 | US6229490 Antenna coupler for testing mobile telephones |
05/08/2001 | CA2207965C Radio loop-back test method having improved reliability and a system using the test method |
05/04/2001 | CA2324386A1 Road-based evaluation and interpolation of wireless network parameters |
05/04/2001 | CA2324189A1 Methods and apparatus for derivative-based optimization of wireless network performance |
05/03/2001 | WO2001031958A1 Timing method and arrangement for performing preparatory measurements for interfrequency handover |
05/03/2001 | WO2001031866A2 Baseband processor with look-ahead parameter estimation capabilities |
05/03/2001 | WO2001031814A1 Failure detection system and failure detection method |
05/03/2001 | WO2001031353A1 Field test chamber arrangement |
05/03/2001 | US20010000705 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system |
05/03/2001 | CA2388928A1 Failure detection system and failure detection method |
05/02/2001 | EP1096748A1 Digital modulation signal measuring device and method capable of evaluating spectrum of noise component |
05/02/2001 | EP1095476A1 Interference prevention in a radio communications system |
05/02/2001 | EP1095472A1 Method and device for executing control and monitoring measurements in optical transmission paths |
05/02/2001 | CN1293879A Method for estimating carrier-to-interference radio in radio communication system and communication device implement the method |
05/01/2001 | US6226496 Antenna malfunction detecting system |
05/01/2001 | US6226271 Received signal strength determination method, apparatus and computer program products |
05/01/2001 | CA2182710C Method and apparatus for automatic modulation calibration in a radio transmitter |
04/26/2001 | WO2001029610A2 Device for controlling an optical signal modulation frequency, and in particular for controlling microwave or millimetric modulation frequency |
04/26/2001 | CA2387849A1 Device for controlling an optical signal modulation frequency, and in particular for controlling microwave or millimetric modulation frequency |
04/25/2001 | EP1094321A2 A test and measurement instrument having telecommunications mask testing capability with a mask zoom feature |