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WDI_TLV_RTT_VARIANCE (dot11wificxtypes.hpp)

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Important

This topic is part of the WiFiCx driver model. WiFiCx is the Wi-Fi driver model released in Windows 11. We recommend that you use WiFiCx to take advantage of the latest features. The previous Wi-Fi driver model WDI is in maintenance mode and will only receive high priority fixes.

WDI_TLV_RTT_VARIANCE is a TLV that contains the statistical variance of the measurements used to calculate roundtrip time (RTT) during a Fine Timing Measurement (FTM) request, if more than one measurement was used.

This TLV is used in WDI_TLV_FTM_RESPONSE.

TLV Type

0x15E

Length

The size (in bytes) of a UINT64.

Values

Type Description
UINT64 The statistical variance of the measurements used to calculate the RTT.

Requirements

Requirement Value
Minimum supported client Windows 11
Minimum supported server Windows Server 2022
Header dot11wificxtypes.hpp