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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...
7603087 Wireless video surveillance jamming and interface prevention  
A wireless video surveillance system with jamming and interference prevention capabilities.
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,...
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...
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...
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...
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...
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...
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...
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...
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...
7403771 Telecom equipment with memory  
Embodiments of telecommunications equipment with a memory device are presented herein.
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...
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 )...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 83 1 2 >