Evaluating IEEE802.11ac WLAN devices in network context
With built-in communications protocols, the MT8862A measures the performance of the WLAN devices in the actual operating state, and the company believes it to be the first test equipment of its kind to support all IEEE802.11ac/n/a/g/b standards. The MT8862A uses the Network Mode to measure the performance of the target WLAN device under test (DUT) in the actual operating state. RF performance characteristics, such as Tx power and Rx sensitivity (PER), can be measured using this Network Mode, which helps with configuration of a simpler test environment and eliminates the need for dedicated vendor-provided test modes required for WLAN device inspections.
Generally, Anritsu explains, WLAN measuring instruments for manufacturing inspections use a special inspection test mode for measurement that requires a physical control line connection between the WLAN devices and measuring instrument. Consequently, the evaluation results may not be a true reflection of the actual performance experienced by users because the performance of the measured WLAN devices is analyzed using physical connection with a control line without considering the effect of the internal wireless antennas. Although Anritsu’s current MT8860C model used for these analyses has a network mode, it does not support IEEE802.11ac standard. To solve this problem, Anritsu developed the new model implementing support for the IEEE802.11ac Network Mode.
Anritsu; www.anritsu.com
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