Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 17 - Monitoring; Testing
Patents for H04B 17 - Monitoring; Testing (29,423)
01/1997
01/03/1997WO1997000562A1 Method and apparatus for determining signal strength in a spread spectrum communication system having a variable data rate
01/02/1997DE19626070A1 Radio frequency module esp. for RF control transmitter
01/02/1997DE19625490A1 Optic fibre test method for optical communications networks
01/02/1997DE19523327A1 Impulse response estimation method esp. for digital mobile radio channel
01/01/1997CN1139509A Radio telephone base station with a monitoring apparatus
12/1996
12/31/1996US5590415 Method and device for supervising the condition of an antenna
12/25/1996CN1138936A Testing equipment for a base station network
12/25/1996CN1138813A Method for channel scanning
12/11/1996EP0748140A2 Handoff with fast AGC setting
12/11/1996CN1137712A Monitoring of analogue signal and automatic monitoring instrument
12/10/1996US5584050 Program monitoring system
12/08/1996CA2174363A1 Fast agc setting using rss(i) measurement procedure
12/03/1996US5581800 Method and apparatus for automatically identifying a program including a sound signal
11/1996
11/28/1996WO1996038012A1 Method and apparatus for optimizing and testing a communication system
11/28/1996WO1996037966A1 Method and apparatus for estimating a signal fading characteristic
11/28/1996CA2194787A1 Method and apparatus for optimizing and testing a communication system
11/26/1996US5579124 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
11/21/1996WO1996037054A1 A method for estimating the quality of a connection, and a receiver
11/19/1996CA2100446C Technique for measuring channel delay
11/14/1996DE19516449A1 Frequency shift determination method, e.g. for GSM system
11/13/1996EP0742650A1 Optical fiber telecommunication line comprising amplifiers of the transmitted signals and amplifiers for said line
11/13/1996EP0676108B1 Apparatus and method for fault detection on redundant signal lines via encryption
11/12/1996US5574981 Method and arrangement for measuring the condition of a receiver antenna
11/12/1996US5574962 Method and apparatus for automatically identifying a program including a sound signal
11/12/1996US5574750 Methods and apparatus for detecting a cellular digital packet data (CDPD) carrier
11/12/1996US5573611 Method of monitoring conditions of vehicle tires and tires containing a monitoring device therein
11/12/1996US5573610 Tires containing a monitoring device for monitoring an engineering condition therein
11/07/1996WO1996035272A1 Method and apparatus for controlling frequency deviation of a portable transceiver
11/07/1996DE19516063A1 Transmitter frequency test method for cellular communication network
11/06/1996EP0741465A2 Mobile radio communication system with transmitter diversity
11/06/1996EP0740890A1 Testing equipment for a base station network
11/06/1996CN1135152A Method and apparatus for testing radio in base station without using radio test unit
11/05/1996US5572510 Method and arrangement for measuring the condition of a base station
10/1996
10/31/1996WO1996034501A1 An autonomous remote measurement unit for a personal communications service system
10/31/1996WO1996034342A1 Method and apparatus for displaying information in a communication system
10/31/1996WO1996034294A1 Non-invasive digital communications test system
10/31/1996DE19616594A1 Optical path testing appts. for sections of optical transmission routes
10/31/1996CA2193741A1 An autonomous remote measurement unit for a personal communications service system
10/29/1996US5570373 Method and apparatus for testing a radio in a base station without using a radio test unit
10/23/1996EP0739150A2 Cell site testing method for portable radio communication system
10/23/1996EP0739117A1 Digital radio communication equipment
10/23/1996CN2238448Y Fully automatic Chinese characters display line fault tester
10/23/1996CN1134213A Method for measuring noise level of base station environment
10/22/1996US5568480 Method of determining a free channel in FDM radiocommunication systems
10/22/1996US5568135 Remote control method and unit for a radio unit
10/16/1996EP0737380A1 A wireless digital synchronized diversity receiver
10/16/1996EP0737331A1 Control system and control means to be used in such a control system, and a correlation system
10/16/1996CN1133657A Method for monitoring a radio receiver unit
10/16/1996CN1133522A Automatic defect detecting mechanism for techician carried test and communication device
10/15/1996US5566088 Modular radio test system and method
10/10/1996WO1996031988A1 Transceiver tester for cellular radio
10/08/1996US5564091 Method and apparatus for operating an automatic frequency control in a radio
10/08/1996US5564084 Transmission power level monitoring apparatus employed in TDMA communication system
10/08/1996US5563918 Method of selecting optimum frequency in skywave communication apparatus
10/08/1996US5563909 Radio communication system
10/08/1996US5562787 Method of monitoring conditions of vehicle tires
10/03/1996WO1996031014A1 Method and apparatus for performing power control in a mobile communication system
10/02/1996EP0735702A1 Method and apparatus for base station diversity reception in a mobile communications system
10/02/1996EP0735514A1 Motion detecting apparatus
10/02/1996EP0734637A1 Radio telephone base station with a monitoring apparatus
10/02/1996EP0734614A1 Narrow band, arbitrary hf modulation and noise generator
10/02/1996EP0678230B1 Radio link parameter monitoring in a wireless communications system
10/02/1996DE19517393C1 Mobile communications system radio channel testing system
10/02/1996CN1132577A Measurement of gain error in a base station receiver, and improvement in field strength measurement
09/1996
09/25/1996EP0734193A2 Method and apparatus for testing a radio in a base station without using a radio test unit
09/25/1996EP0734192A2 Mobile station function testing apparatus
09/25/1996EP0733289A1 Optimization of transmitted pulse shape and receiver timing in digital system
09/24/1996US5559527 Method and apparatus for displaying performance metrics in a communication system
09/24/1996CA2078038C Measurement of receiver sensitivity of a radio communication apparatus by radio and optical test signals
09/18/1996EP0732820A2 Communication system
09/17/1996CA2063536C Terminal equipment and optical communication system using the same
09/12/1996WO1996027995A1 Mobile radio transmission system with integrated measuring device for dimensioning the radio-coverage area
09/12/1996DE19547328C1 Method of measuring reception level of signals inside at least one time slot, e.g. for mobile phone
09/12/1996DE19507866A1 Mobilfunkübertragungssystem mit integrierter Meßeinrichtung zum Ausmessen des Funkversorgungsbereichs Mobile communication system with integrated measuring device for measuring the radio coverage area
09/11/1996EP0731573A1 Method and apparatus for testing a transmission channel in a communications system
09/11/1996EP0730798A1 Method and apparatus for testing telecommunications equipment
09/11/1996CN2235176Y Analog relay busy or free indicator for telephone exchanger
09/10/1996US5555552 Apparatus for quickly capturing cordless telephone channel to be measured
09/10/1996US5555451 High-quality reception indicating circuit for scanning AM recievers
09/10/1996US5555442 Error detecting device for a radio blind zone system
09/06/1996WO1996027173A1 Radio tracking system and method of operation thereof
09/04/1996CN1130456A Reception method and receiver
09/04/1996CN1130451A Method and apparatus for simulating interference received by subscribers in spread spectrum communications system
09/04/1996CN1130450A Method and apparatus for simulating user interference in spread spectrum communications system
09/03/1996US5553059 Network interface unit remote test pattern generation
08/1996
08/29/1996WO1996026583A1 A method for determining connection quality, and a receiver
08/28/1996EP0729280A2 Transmission monitoring system and method for testing the transmission quality
08/27/1996US5551072 Reception field detection apparatus
08/21/1996EP0602236A4 A method for controlling transmission power in a communication system.
08/21/1996CN1129509A Automatic determination and tuning of pico-cell topology for low-power wireless systems
08/21/1996CN1129484A Signal level indicator and associated method
08/20/1996US5548820 Antenna and feeder cable tester
08/20/1996US5548809 Spectrum sharing communications system and system for monitoring available spectrum
08/20/1996US5548799 Mobile communication system having a control for limiting the number of carriers based on the level of intermodulation distortion
08/14/1996CA2169332A1 Radio channel estimation based on ber and rssi
08/13/1996US5546425 Transmission system for transmitting data by a link comprising intermediate equipments and an intermediate equipment for such a system
08/13/1996US5546090 Method and apparatus for calibrating antenna arrays
08/08/1996WO1996013763A3 Control system and control means to be used in such a control system, and a correlation system
08/07/1996CN1128605A A method for validating a communication link
08/07/1996CN1128478A Mobile radio communication system and channel control method therefor
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