Company Events Academic Community Support Solutions Products & Services Contact NI MyNI

NIWLANG_GUARD_INTERVAL

NI WLAN Generation Toolkit 17.0 Help

Edition Date: May 2017

Part Number: 373725G-01

»View Product Info
Download Help (Windows Only)

Data Type: float64
Access:read/write
Functions:niWLANG_SetScalarAttributeF64
niWLANG_GetScalarAttributeF64
Description: Specifies the length of the cyclic prefix (CP)of an OFDM symbol as specified in section 20.1.1 of IEEE Standard 802.11n-2009 and section 22.3.6 of IEEE Standard 802.11ac-2013. This value is expressed in nanoseconds.

The guard interval can be 800 nanoseconds (long) or 400 nanoseconds (short).

Note: The toolkit does not support short guard interval if the modulation and coding scheme (MCS) index is 0-7 and the physical layer convergence protocol (PLCP) frame format is Greenfield format.

Note: This attribute is available only when you set the toolkit compatibilityVersion parameter of the niWLANG_OpenSession function to 2.0.0 or 3.0.0.

The default value is 800 ns. Valid values are 400 nanoseconds and 800 nanoseconds.

Set Function: niWLANG_SetOFDMGuardInterval
Get Function: niWLANG_GetOFDMGuardInterval

 

Your Feedback! poor Poor  |  Excellent excellent   Yes No
 Document Quality? 
 Answered Your Question? 
Add Comments 1 2 3 4 5 submit