Test suite aimed at all-wireless networks
-- Test & Measurement World, 5/1/2009 2:00:00 AM
VeriWave is addressing the advent of all-wireless networks with the VeriWave Client Test Solution, a test suite that provides interoperability metrics that can assist in device design as well as deployment. The new offering, which enables device developers to mimic actual operation in a lab, is aimed at ensuring that wireless networks work with the variety of devices that will connect to them in real-world scenarios.
The VeriWave Client Test Solution measures the real-world behavior of a mobile device, its impact on other devices, and overall network performance, as well as the impact of the network on the device’s own performance. It consists of three components: the WaveClient application, the WaveAgent software, and a set of RF isolation chambers and attenuators.
The WaveClient application runs on a VeriWave traffic generator controlling RF distance and path emulation, generating client traffic, and collecting performance metrics from the DUT (device under test). Because the application generates client devices with characteristics of various vendors’ equipment, testers can see how specific combinations of devices will interact.
WaveAgent is a 64-kbyte software utility loaded onto the mobile device being tested. As the VeriWave system generates different mixes of traffic and conditions, WaveAgent measures the performance of the mobile device, and it reports performance metrics as well as the configuration state of the device back to the VeriWave system.
The RF isolation chambers and programmable attenuators provide RF distance and path simulation, allowing WaveClient users to measure the effect of varying distance and paths on client device performance.
The test suite measures the impact of varying configurations on both the DUT and the overall network so that network administrators, for example, can gauge the impact of a specific brand and model of instrument on their network. Testers can stress the network with both real-world and worst-case scenarios, and establish vendor interoperability and device-optimal configurations.
VeriWave, www.veriwave.com.
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