Patents for H04B 17 - Monitoring; Testing (29,423) |
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02/07/1996 | EP0696151A2 Arrangement for determining a base station site |
02/06/1996 | US5490288 Method for determining low signal quality communications |
02/06/1996 | US5490235 Digital audio interface in a mobile telephone |
02/06/1996 | US5489897 Power control monitoring system for underwater cable communications systems |
02/01/1996 | WO1996002987A1 Method and apparatus for simulating interference received by subscribers in a spread spectrum communications system |
02/01/1996 | WO1996002986A1 Method and apparatus for simulating user interference in a spread spectrum communications system |
02/01/1996 | DE19526549A1 Kommunikationsvorrichtung und Verfahren mit adaptiver Burstübertragungszeit oder anderen Merkmalen Communication apparatus and method with adaptive burst transmission time or other features |
02/01/1996 | CA2170636A1 Method and apparatus for simulating user interference in a spread spectrum communications system |
02/01/1996 | CA2170517A1 Method and apparatus for simulating interference received by subscribers in a spread spectrum communications system |
01/31/1996 | CN1030880C A method for controlling transmission power in a communication system |
01/30/1996 | US5488649 Method for validating a communication link |
01/23/1996 | US5487178 Radio system base station including provision for generating and processing both analog and digital radio link quality monitoring signals |
01/23/1996 | US5487177 FM receiver comprising a circuit arrangement for determining the field strength of FM transmitters |
01/23/1996 | US5487176 Reception amplifier failure detection device and method for radio transceiver apparatus |
01/23/1996 | US5486843 Signal level indicator and associated method |
01/18/1996 | WO1996001544A2 A reception method, and a receiver |
01/17/1996 | CN1115140A Portable field strength detector capable of correcting frequency deviation contained in field strength detected value |
01/10/1996 | EP0691058A1 Self-diagnostic system for cellular-transceiver systems |
01/10/1996 | CN1114851A Radio system and a subscriber terminal for a radio system |
01/09/1996 | US5483676 Mobile radio data communication system and method |
01/09/1996 | US5483233 Analogue telemetry system and method for fault detection in optical transmission systems |
01/04/1996 | WO1996000434A1 Signal level indicator and associated method |
01/04/1996 | DE19523343A1 Leakage energy measurer between adjacent channels in burst mode TDMA appts., esp. transmitter |
01/03/1996 | EP0690593A2 Transmitter and receiver for use in TDMA/TDD mobile radio communications systems having loopback test facilities |
01/03/1996 | EP0690567A2 Method and arrangement for the automatic detection of the oscillator frequency of an outdoor unit of a satellite reception system |
01/03/1996 | EP0689950A2 Method of monitoring conditions of vehicle tires and tires containing a monitoring device therein |
01/03/1996 | CN1114521A Method and apparatus for power estimation in a communication system |
01/03/1996 | CN1114491A Microcomputer-based carrier detection system for a cordless telephone |
01/02/1996 | US5481588 Test arrangements for radio telephone systems |
01/02/1996 | US5481186 Method and apparatus for integrated testing of a system containing digital and radio frequency circuits |
12/27/1995 | EP0689306A2 Computer controlled radio tester and method |
12/27/1995 | EP0688487A1 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto |
12/26/1995 | US5479453 Wireless telecommunication digital receiver |
12/26/1995 | US5479417 Error correction apparatus capable of improving error correction ability without expansion of a frequency band |
12/21/1995 | WO1995035004A1 Automatic determination and tuning of pico-cell topology for low-power wireless systems |
12/21/1995 | WO1995034823A1 Method and device for the measurement of field strength in a radio channel and the neighbouring channels using zero if |
12/20/1995 | EP0688107A1 AM radio receiver |
12/20/1995 | EP0429469B1 Radio meter |
12/13/1995 | EP0687080A1 Receive signal level detection system |
12/12/1995 | US5475861 Method for controlling transmission power in a communication system |
12/12/1995 | US5475709 Adjacent and alternate channels power measurement apparatus |
12/12/1995 | US5475385 Analogue telemetry system and method for fault detection in optical transmission systems |
12/06/1995 | CN2214718Y Electronic induction line seeker |
12/06/1995 | CN1113056A Communication method/apparatus/system capable of performing FDMA transmission |
11/28/1995 | US5471650 Radio link parameter control in wireless personal communications system |
11/28/1995 | US5471649 Base station transceiver diagnostic equipment |
11/23/1995 | DE4415565A1 Transmission of faulty messages caused e.g. by hard or soft ware failure |
11/21/1995 | US5469465 Method and apparatus for mitigating distortion effects in the determination of signal usability |
11/21/1995 | US5469171 HF background noise measurement in HF environments |
11/21/1995 | CA2021706C Optical fiber telecommunication line including amplifiers distributed along the line for the transmitted signals |
11/16/1995 | WO1995031079A1 A method for validating a communication link |
11/15/1995 | EP0681762A1 Wireless personal local area network |
11/15/1995 | EP0531345B1 Radio test loop for a radio transceiver |
11/15/1995 | EP0531333B1 Radio test loop for a radio transceiver |
11/15/1995 | EP0531332B1 Radio test loop for a radio transceiver |
11/15/1995 | EP0530339B1 Method for identifying a supervising signal at a base station of a mobile telephone system |
11/15/1995 | CN1111888A Method for selecting a preferred communication resource |
11/07/1995 | US5465393 Simulated air interface system for simulating radio communication |
11/07/1995 | US5465276 Method of forming a channel estimate for a time-varying radio channel |
11/02/1995 | EP0679302A1 Device for monitoring a message transfer unit |
11/02/1995 | DE4422908C1 Automatically identifying oscillator frequency for satellite receiver frequency converter |
10/26/1995 | WO1995028814A1 Method for adapting a transmission mode in a mobile radiocommunication system |
10/26/1995 | DE4413484A1 Determining relationship between frequency coverage and transferred information quantity e.g. for GSM mobile phone network |
10/25/1995 | EP0678230A1 Radio link parameter monitoring in a wireless communications system. |
10/25/1995 | CN1110889A Method for testing a transceiver, and a base station of a time-diviional radiocommunication system |
10/24/1995 | US5461646 Synchronization apparatus for a diversity receiver |
10/18/1995 | CN1110491A A method and apparatus for mitigating distortion effects in the determination of signal usability |
10/17/1995 | US5459772 External apparatus for monitoring a communication system |
10/12/1995 | DE19512296A1 Rapid prediction of propagation of radio waves in buildings |
10/11/1995 | EP0676108A1 Apparatus and method for fault detection on redundant signal lines via encryption. |
10/11/1995 | CN1110073A Method and arrangement for measuring the condition of a base station |
10/10/1995 | US5457818 Detection threshold adjustment method for linear matched filter receivers |
10/10/1995 | US5457812 Radio test loop having common combiner cable connecting transmitters, spaced at nλ/2 therealong, with receivers, via frequency converter |
10/04/1995 | EP0531338B1 Radio test loop for a radio transceiver |
09/26/1995 | US5453865 For monitoring a telecommunications network |
09/26/1995 | CA2119970A1 Program monitoring system |
09/24/1995 | CA2143537A1 Mobile radio with transmit command control and mobile radio system |
09/21/1995 | WO1995025390A1 A method and apparatus for measuring digital radio interference |
09/21/1995 | WO1995023458A3 Method and apparatus for automatic modulation calibration in a radio transmitter |
09/20/1995 | EP0673129A2 Method and apparatus for determining the C/I ratio for co-channel or adjacent channel interferene in digital mobile radio networks |
09/20/1995 | CN1108854A Movable radio communicating apparatus with function for monitoring reiving/transmitting state |
09/19/1995 | US5451839 Portable real time cellular telephone and pager network system monitor |
09/14/1995 | DE4420448C1 Field-strength measurement method for radio channel and adjacent channels |
09/13/1995 | EP0671111A1 Radio system and a subscriber terminal for a radio system |
09/12/1995 | US5450624 Method and apparatus for diagnosing amp to speaker connections |
09/12/1995 | US5450623 CN ratio measuring apparatus |
09/12/1995 | US5450615 Prediction of indoor electromagnetic wave propagation for wireless indoor systems |
09/06/1995 | EP0670090A1 Method and apparatus for power estimation in a communication system |
09/05/1995 | US5448762 Method and apparatus for mobile radio communications having switched dual frequency synthesizers |
09/05/1995 | US5448761 Channel assignment in a cellular mobile radio network with a CIR threshold level selected in dependency on priority degrees of channels used in the network |
09/05/1995 | US5448758 Simulcast group determination of best signal by master site |
09/05/1995 | US5448754 Radio frequency sharing personal communications system |
08/31/1995 | WO1995023458A2 Method and apparatus for automatic modulation calibration in a radio transmitter |
08/30/1995 | EP0669061A1 An apparatus and method for detecting potentially fraudulent telecommunication activity |
08/29/1995 | US5446392 Submarine equipment and fault locating method for a submarine communication system |
08/23/1995 | EP0668510A1 An apparatus for providing a display |
08/23/1995 | EP0513250B1 Base station for a radio system |
08/22/1995 | US5444862 Circuit for stopping data transmission responding to low level and rapid fall of received electric field |
08/16/1995 | EP0667055A1 A method and apparatus for mitigating distortion effects in the determination of signal usability |
08/16/1995 | EP0667019A1 Hand-held data capture system with interchangeable modules |