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Coarse estimate of carrier frequency offset

`fOffset = wlanCoarseCFOEstimate(rxSig,cbw)`

`fOffset = wlanCoarseCFOEstimate(rxSig,cbw,corrOffset)`

returns
a coarse estimate given correlation offset, `fOffset`

= wlanCoarseCFOEstimate(`rxSig`

,`cbw`

,`corrOffset`

)`corrOffset`

.

[1] IEEE Std 802.11™-2016 (Revision of IEEE Std 802.11-2012). “Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications.” IEEE Standard for Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements.

[2] Li, Jian. “Carrier Frequency Offset Estimation
for OFDM-Based WLANs.” *IEEE Signal
Processing Letters*. Vol. 8, Issue 3, Mar 2001, pp. 80–82.

[3] Moose, P. H. “A technique for orthogonal frequency
division multiplexing frequency offset correction.” *IEEE Transactions on Communications*.
Vol. 42, Issue 10, Oct 1994, pp. 2908–2914.

[4] Perahia, E. and R. Stacey. *Next
Generation Wireless LANs: 802.11n and 802.11ac*. 2nd Edition.
United Kingdom: Cambridge University Press, 2013.

^{[1]} IEEE^{®} Std 802.11-2012 Adapted and reprinted
with permission from IEEE. Copyright IEEE 2012. All rights
reserved.