Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
08/1996
08/01/1996WO1996023376A2 Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics
08/01/1996CA2210714A1 Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics
07/1996
07/25/1996WO1996022662A1 Spectrally efficient high capacity wireless communication systems
07/25/1996WO1996022643A1 Establishment of cryptographic keys in radio networks
07/25/1996CA2210195A1 Establishment of cryptographic keys in radio networks
07/23/1996US5539803 Wireless test mode for a cordless telephone
07/23/1996US5539772 Apparatus and method for verifying performance of RF receiver
07/23/1996US5539194 Modular hand-held data entry system
07/23/1996US5539193 Modular hand-held data entry system
07/17/1996EP0722226A1 A method and circuit for filtering disturbances in a radio receiver
07/17/1996EP0721700A1 Measurement of gain error in a base station receiver, and improvement in field strength measurement
07/17/1996EP0564481B1 An arrangement for establishing a radio test loop
07/10/1996EP0720807A1 Method for measuring the noise level of a base station environment
07/10/1996EP0474701B1 Remote confinement system
07/09/1996CA1338448C System for monitoring status of plurality of repeaters
07/03/1996EP0719481A1 Method and apparatus for simulating user interference in a spread spectrum communications system
07/03/1996EP0719480A1 Method and apparatus for simulating interference received by subscribers in a spread spectrum communications system
07/03/1996EP0719479A1 Method for monitoring a radio receiver unit
07/03/1996EP0691058A4 Self-diagnostic system for cellular-transceiver systems
07/03/1996EP0650600A4 Hf background noise measurement in hf environments.
07/02/1996US5533057 High frequency signal detecting circuit
07/02/1996US5533055 Carrier to interference ratio measurement
06/1996
06/26/1996EP0719000A1 Method and apparatus for testing communication systems using recorded test message frames
06/26/1996CN1125500A Digital radio communication equipment
06/25/1996US5530915 In a simulcast communication system
06/25/1996US5530619 Hand-held data capture system with interchangeable modules and side-mounted function key
06/20/1996WO1996019054A1 Digital transmission system for encoding and decoding attribute data into error checking symbols of main data
06/19/1996EP0717517A2 Method and system for evaluating a RDS signal
06/19/1996EP0716798A1 A reception method, and a receiver
06/18/1996US5528635 Synchronization detecting circuit
06/12/1996EP0715784A1 A method and a system for redundancy control of baseband channels in a telecommunications system
06/12/1996CN1124547A A method and apparatus for determining signal usability
06/11/1996US5526343 Auxiliary service channel signal transmission system
06/06/1996WO1996017454A1 Method and apparatus for testing a digital communication channel at variable or fixed data rates
06/06/1996WO1996008881A3 A reception method, and a receiver
06/05/1996EP0715433A2 System and method for wireless communication by way of repeatedly transmitted messages
06/05/1996EP0715425A2 Method and apparatus for fault isolation in communications equipment using loopback testing
06/05/1996EP0715424A1 Method for testing a radio system
06/05/1996DE4442613A1 Mobile radio communications network quality monitoring system
06/04/1996US5524280 Method of acquiring a channel in a general frequency reuse system
06/04/1996US5524279 Method and apparatus for improving perceived quality of a stored voice message in a communication receiver
06/04/1996US5524277 Mobile radio communication apparatus for monitoring transmission and reception conditions
06/04/1996US5524009 Fast AGC setting using RSS (I) measurement procedure
05/1996
05/30/1996WO1996016523A1 Method and arrangement in a mobile unit
05/30/1996WO1996016522A1 Testing equipment for a base station network
05/30/1996DE4441794A1 Reception quality evaluation of radio signals
05/29/1996EP0713632A1 Automatic determination and tuning of pico-cell topology for low-power wireless systems
05/23/1996WO1996015641A1 Transmission power monitoring for a trunked radio system
05/23/1996WO1996015602A1 Process for transmitting messages from a secondary control system to a primary control system
05/23/1996WO1996012435A3 Signal processing apparatus
05/23/1996DE4394943C1 Channel quality estimation method over interval length in receiver
05/15/1996EP0712258A2 Apparatus for testing mobile radio communication stations
05/14/1996US5517491 Method and apparatus for controlling frequency deviation of a portable transceiver
05/14/1996US5517434 Data capture system with communicating and recharging docking apparatus and hand-held data terminal means cooperable therewith
05/10/1996CA2162331A1 Telecommunications terminal test device, particularly for mobile radiocommunications, and terminal testable by said device
05/09/1996WO1996013763A2 Control system and control means to be used in such a control system, and a correlation system
05/08/1996EP0711044A2 Channel estimation in a CDMA receiver using multiple access interference cancellation
05/07/1996US5515378 Spatial division multiple access wireless communication systems
05/07/1996US5515303 Hand-held computerized data collection terminal with rechargeable battery pack sensor and battery power conservation
05/07/1996US5515050 Receive signal strength indication analog-to-digital converter
05/02/1996WO1996012435A2 Signal processing apparatus
04/1996
04/25/1996WO1996012379A1 Radio telephone base station with a monitoring apparatus
04/25/1996WO1996003844A3 Antenna and feeder cable tester
04/24/1996CN1121179A Computer controlled radio tester and method
04/23/1996US5510925 Relay transmission system including optical amplification
04/18/1996WO1996004760A3 Method for measuring the noise level of a base station environment
04/16/1996US5509029 Serial data transmissions device and terminal unit for the same
04/10/1996EP0706271A2 Method and apparatus for integrated testing of a system containing digital and radio frequency circuits
04/10/1996EP0705501A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
04/10/1996CN1120276A Direct exchangable receiver and shift frequency key controlled demodulator
04/09/1996US5507022 Electric field level detecting apparatus
04/09/1996US5507020 Spectral sharing communication system with minimal inter-signal interference
04/09/1996US5507015 Method and apparatus for automatic modulation calibration in a radio transmitter
04/09/1996US5507010 Arrangement for measuring at frequencies actually used for signalling, the condition of a receiving antenna positioned apart from other base station equipment at a base station of a radio system
04/09/1996US5506869 Methods and apparatus for estimating carrier-to-interference ratios at cellular radio base stations
04/04/1996WO1996010301A1 Method and device concerning fading related access control in a digital radio system
04/03/1996EP0606341A4 Method and apparatus for automatically identifying a program including a sound signal.
04/03/1996CN1119898A Self-diagnostic system for cellular-transceiver systems
04/02/1996US5504800 Cellular automated test set
03/1996
03/28/1996DE19534262A1 FM frequency swing measurement device for RF emitted by sender
03/27/1996EP0702868A1 Fading simulator
03/21/1996WO1996008888A1 Method and apparatus for temperature compensation in a time division multiplex receiver
03/21/1996WO1996008881A2 A reception method, and a receiver
03/20/1996EP0701752A1 A method and apparatus for determining signal usability
03/19/1996US5500944 Fault indication system in a centralized monitoring system
03/19/1996US5500065 Method for embedding a monitoring device within a tire during manufacture
03/07/1996WO1996007243A1 Auxiliary equipment for mobile telephones
03/05/1996US5497508 Communication system
02/1996
02/29/1996WO1996001544A3 A reception method, and a receiver
02/29/1996DE4430349A1 Interference measurement system for digital telephone network using intermittent carrier signal
02/29/1996DE19529156A1 Two-station data radio connection system for finding optimal position for mobile station
02/27/1996US5495575 In a communications network
02/15/1996WO1996004760A2 Method for measuring the noise level of a base station environment
02/15/1996WO1996004724A1 Radio scanner and display system
02/15/1996WO1996004717A1 Spectrally efficient and high capacity acknowledgment radio paging system
02/15/1996CA2196068A1 Spectrally efficient and high capacity acknowledgment radio paging system
02/14/1996CN1116813A Mobile radio with transmit command control and mobile radio system
02/08/1996WO1996003844A2 Antenna and feeder cable tester
02/08/1996WO1996003823A1 Hierarchical communication system providing intelligent data, program and processing migration
02/08/1996CA2195661A1 Hierarchical communication system providing intelligent data, program and processing migration