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7606165 |
What-if analysis for network diagnostics
A network troubleshooting framework is described. In an implementation, a method includes generating a first estimation of network performance by a simulator based on network settings obtained from...
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7603087 |
Wireless video surveillance jamming and interface prevention
A wireless video surveillance system with jamming and interference prevention capabilities.
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7599687 |
Apparatus for conducting radiated performance tests of a wireless device
A test apparatus for conducting a radiated performance test on a wireless device under controlled test conditions, the test apparatus having an anechoic chamber; a test computer; and an interface,...
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7567614 |
Altering power consumption in communication links based on measured noise
A method, circuit and system for altering the power consumption in communication links. A type of noise and an amount of jitter in a signal transmitted across a communication link is measured. Upon...
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7555294 |
System for determining total isotropic sensitivity (TIS) and related methods
A test method for determining total isotropic sensitivity (TIS) of a mobile wireless communications device including a radio frequency (RF) receiver and an antenna coupled thereto may include...
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7555295 |
System for determining radiated radio frequency (RF) receiver sensitivity and related methods
A test method is described for determining radiated radio frequency (RF) receiver sensitivity may include determining a bit error rate (BER) versus traffic channel (TCH) power level function for an...
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7548625 |
System and method of audio testing of acoustic devices
A system and method of testing the audio performance of an acoustic device is provided. To test a device microphone, an audio signal is generated, provided to an external speaker, outputted to the...
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7539459 |
Active noise cancellation system, arrangement, and method
Noise of a noise-producing object may be at least partially cancelled by a system that emits sound at a polarity substantially opposite to a polarity of detected noise and includes a member having...
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7505766 |
System for determining conducted radio frequency (RF) receiver sensitivity and related methods
A test method for determining conducted radio frequency (RF) receiver sensitivity using an RF source coupled to an RF receiver by an RF cable may include determining a bit error rate (BER) versus...
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7489905 |
System for determining RF path loss between an RF source and an RF receiver with hysteresis and related methods
A test method is for determining RF path loss between an RF source and an RF receiver. The RF source may transmit RF power values at a relatively fine granularity, and the RF receiver may generate...
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7412256 |
Radio communication terminal and method of controlling internal radio communication
A carrier sensor senses the input/output level of a radio processing unit. When the input/output level sensed by the carrier sensor is more than a specified level, a transmission-reception...
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7403771 |
Telecom equipment with memory
Embodiments of telecommunications equipment with a memory device are presented herein.
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7359701 |
Method for conducting radiated performance tests of a wireless device
A method for conducting a radiated performance test on a wireless device comprising the steps of: establishing an interface from a test computer to the wireless device; establishing a data...
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7327984 |
Device and method for measuring receive sensitivity of communication system including receive-only path
Disclosed is a device ( 200 ) and a method for measuring a receive sensitivity of a communication system having a transmit and receive path and a receive-only path, like a base station ( 100 )...
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7251456 |
Wireless module simulator
Allowing a wireless network application to execute, as during development and testing, as if connected to a wireless network using wireless modems without requiring physical access to or presence...
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7236795 |
Controlling processor load in a wireless telecommunications network node
A wireless telecommunications network node is provided. The node includes a processor configured to handle call traffic and to record measurement data. The processor is also configured to detect...
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7228105 |
Field test chamber arrangement
A measurement arrangement for accurate and repeatable measurement of transmission and reception characteristics of a communication device. The arrangement comprises an at least partly conductive...
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7203616 |
Method and system for the interactive testing of assembled wireless communication devices
A method and system for the interactive testing of assembled wireless communication devices is provided. The method comprises: assembling the wireless communication devices to include at least one...
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7162285 |
Detector and method for detecting telephone-activated devices in idle state
A detector for detecting telephone-activated devices, such as cellular telephones used for remotely triggering explosive devices, includes a transmitter for generating and transmitting a pseudo...
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7109931 |
Method and apparatus to control an antenna efficiency test device
The present invention provides a method to measure antenna efficiency using the cavity method. In particular, the present invention provides a tunable cavity that can be tuned to avoid the anti...
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7109932 |
Antenna efficiency test device
The present invention provides, an antenna test device to test antenna efficiency. The test device includes a cavity formed by at least one conductive sidewall. The cavity contains at least one...
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7107020 |
Mobile phone positioning apparatus for radiation testing
A mobile phone positioning apparatus provides a rotational movement and switching functionality among three planes (H, E 1 and E 2 ) as requested by a radiation test. The positioning apparatus...
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7043286 |
Extrinsic signal to shunt an acoustic driver in a cellular telephone, pager or the like
A method for selectively shunting an acoustic driver within an electronic device detects the presence of a squelch signal from a local emitter and automatically shunts the acoustic driver in...
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7035594 |
Method and apparatus for testing and evaluating wireless communication devices
A testing chamber is configured to evaluate the accuracy of a wireless communication device under test in a production environment. The configuration of the testing chamber may resemble an enclosed...
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6970700 |
Power delivery system
A method and apparatus for measuring the characteristics of radio frequency energy in an industrial radio frequency processing system at a plurality of frequencies is disclosed. The method and...
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6950665 |
Methodology and system for generating a three-dimensional model of interference in a cellular wireless communication network
A method (and system) for quantifying a three-dimensional model of interference in a cellular wireless communication network. The model is derived from the acquisition and analysis of composite...
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6870905 |
Wiretap implemented by media gateway multicasting
Media gateways operate under the control of an intelligent node or switch associated with a wiretap party and are configured on a per call basis to establish multicasting communication links to law...
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6839544 |
System and method for remote monitoring of a transmitter in a wireless base station
There is disclosed a signal monitoring apparatus for use in a wireless network base station containing a modular main unit for processing baseband signals and a modular radio unit separate from the...
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6839546 |
Process transmitter with wireless communication link
A process transmitter is configured to measure a process variable of an industrial process. A housing has a first cavity which houses first transmitter electronic circuitry and provides a barrier...
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6785515 |
Method and system for tapping telephone conversations
A method and a system for monitoring telephone calls are described. A useful signal (which represents the call information of a telephone call) and a data set (which contains at least one digital...
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6721561 |
Method for building a home-zone database using measured power strength
Disclosed is a method for building a home-zone database using data measured while moving about the home-zone service area in a mobile communication system, which includes a mobile diagnostic...
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6718296 |
Measurement of signal quality
Apparatus for assessing the performance of telecommunications systems by comparison of a reference signal with the same signal as degraded by the system under test tends to give unreliable results...
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6678525 |
Method and apparatus for modeling the propagation of wireless signals in buildings
Techniques for predicting RF signal propagation in indoor environments are disclosed. A typical technique comprises six distinct phases. In one phase, the mean wall separation, {overscore (d)}, of...
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6662009 |
Methods and apparatus for performance testing of cordless telephones
Methods and apparatus for performance testing of an analog cordless telephone are addressed herein. A telephone base station is connected to a test controller which directs the base station to...
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6525657 |
Apparatus and method for production testing of the RF performance of wireless communications devices
A radio frequency (RF) multi-testing apparatus and method for rapid (e.g. production line) testing of a wireless communications device for operational adherence of the device to a pre-determined...
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6397154 |
Correlation method for surveillance device detection
A new correlation process and implementing apparatus for use in detecting the presence and location of a concealed eavesdropping device is disclosed in the present application. The process...
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6314272 |
Radio frequency broadcast system for enclosed spaces
Uniform and concentrated radio broadcast signals are obtained employing an antenna structure which uses separate antenna conductors on opposite sides of a radio reception area. The antenna...
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6253064 |
Terminal based traffic management and security surveillance system for aircraft and other commercial vehicles
A traffic management, security and surveillance system for commercial vehicles while in port incorporates a plurality of strategically located sensors for identifying the location of both...
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6208841 |
Environmental simulator for a wireless communication device
An environmental simulator for use in the testing of wireless devices comprises a base station simulator, a signal manipulator, a switch and an antenna array. The environmental simulator is...
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6169498 |
Device and method for communication location-specific messages
A method for communicating location-specific messages includes storing a library of such messages within a portable device having a capability of randoly accessing the messages. Each...
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6137992 |
Vehicle audio distortion measurement system
A radio frequency audio distortion measurement system for a motor vehicle radio. The system includes a generator that generates test RF signals and transmits the signals to the motor vehicle radio...
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6104292 |
Baby bottle attachment with sound monitor/transmitter and recordable/pre-recorded sound playback
A baby bottle attachment has a cylindrical housing containing electronic integrated circuitry that removably attaches to a baby bottle. The bottle attachment functions as a room monitor for...
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6088582 |
Controlled environment radio test apparatus and method
A controlled environment radio test apparatus includes first and second chambers for receiving respective first and second radio devices therein. The chambers are sized in proportion to an...
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6057765 |
Non-linear junction detector
A non-linear junction detector designed for counter surveillance measures achieves superior performance by using a single circularly polarized antenna to transmit a signal and to receive harmonics...
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5893031 |
System and method for collection of transmission characteristics
A system and method for collecting fingerprint reference wave forms under controlled conditions includes a radio frequency (RF) enclosure designed to receive a cellular telephone. A control system,...
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5877675 |
Wireless healthcare communication system
A portable, three-way wireless communication system provides a patient with a direct link to a caregiver, as well as a central facility such as a nurse's station. The system is comprised of a...
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5873026 |
Battery powered voice transmitter and receiver tuned to an RF frequency by the receiver
A microprocessor based transmitter and a microprocessor based receiver in which a user interface is located on the receiver. The transmitter has an internal DC digital voltage measuring circuit to...
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5825331 |
Radiated emission measuring method using GTEM cell
A method for measuring radiated emission using a GTEM cell is disclosed in which a DUT is placed inside the GTEM cell, and its power is measured by a power receiver. The direction of the DUT is...
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5818328 |
Method and system for providing improved wireless audio transmission
A method and system for providing improved confined area audio amplification is provided. Designed to meet the requirements of classrooms, conference rooms and offices, this new invention provides...
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5805667 |
Apparatus for range-testing cordless communication devices and method of operation thereof
An apparatus for, and method of, range-testing a cordless communication device. The device has a first portion adapted to communicate with a second portion via a signal carried on a wireless...
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