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Wireless test platform offers accurate OTA

Posted: 05 Aug 2011 ?? ?Print Version ?Bookmark and Share

Keywords:wireless testing? OTA? MIMO?

octoScope Inc. has introduced a new wireless testing device, the octoBox. The device promises to revolutionise the way multi-radio devices such as smartphones and USB dongles are designed, tested and verified, octoScope said.

octoBox offers accurate OTA testing of conventional and MIMO wireless devices in a customisable refrigerator-sized anechoic (non-echoing) enclosure that replaces expensive walk-in anechoic chambers and facilitates test setup.

Offering repeatable and accurate test and validation methodology, octoBox cuts development and production costs for multi-mode wireless devices and speeds up time to market by several months.

Devices such as smartphones and pads with multiple integrated antennas require rigorous OTA testing. octoBox enables OTA testing with the accuracy and repeatability of conducted testing. The octoBox test platform offers OTA test stability and repeatability in an optimum form factor that fits easily in a production lab or an engineer's office. A single octoBox enables simultaneous parallel testing of eight or more fully assembled smartphones through their antennas in an area no larger than a typical desk.

With the advent of LTE, multimode wireless devices (smartphones, USB dongles, CPEs) have become increasingly complex especially when it comes to the number of supported standards (4G/3G/2G Broadband, WiFi, Bluetooth and GPS) and associated frequencies, which need to be tested, verified and validated. octoBox enables seamless RF technology validation during development cycles and production in a compact, customisable form factor and provides stable far-field conditions with advantages for OTA measurement accuracy, sensitivity and repeatability. Its dual-chamber architecture, allows test instrumentation and the DUT to reside in the same enclosure, as a complete self-contained test station isolated from the interference of neighboring stations.

In addition to measuring a DUT's 3D antenna pattern, octoBox can integrate test equipment, including a MIMO channel emulator, interference generators, RF sensors, data monitors and other instruments. It supports a frequency range from 700MHzC6GHz and can be used for testing multi-radio smartphones, with radios that include cellular, 3G/4G, WiFi, Bluetooth and GPS, all operating in different regions of the spectrum.

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