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Virtual Drive Test Conversion Tool

Thu, 10/21/2010 - 7:37am
Spirent’s Virtual Drive Test (VDT) - Conversion Tool makes it easier than ever to bring a real-world RF environment to your lab bench. The software tool converts RF data captured with a cellular scanner, enabling the data set to be “played back” on Spirent’s SR5500 Wireless Channel Emulator.

The tool augments the VDT capabilities built into the SR5500. VDT allows the re-creation of physical movement for testing in the wireless lab, a requirement that becomes both more critical and more complex with the addition of Multiple-In Multiple-Out (MIMO) antenna techniques which are a key enabler of LTE data performance. Data sets can be created from scratch in software or captured via a scanner, then converted and played back in the lab.

The VDT - Conversion Tool makes the latter process much more efficient by wrapping the otherwise intricate conversion process into an easy-to-use GUI. For example, cellular scanners do not sample quickly enough to realistically capture all the effects of a phenomenon known as “fast fading”. As a result, the aliased effects of sub-sampling must be removed from the data set. The VDT Conversion Tool automates all of this data processing and creates a statistically sound fast fading profile based on the dynamic velocities captured in the data set.

The result is worry-free data conversion in minutes… without spending weeks writing code or software scripts, and without wondering whether some fine point of complex wireless fading has gone unaddressed.

For more information on the SR5500 and the VDT - Conversion Tool, please visit

http://www.spirent.com/Wireless/Wireless%20Receiver/SR5500.aspx

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