LCVCO for WLAN as application

Hiii

I am trying to design a LC-VCO with WLAN as its application.

I would like to know what should be the frequency range for WLAN. from the ieee standard wlan has frequency of 2.4, 3.6 and 5GHz. which one should be choosen and y?

I would also like to know about the offset that should be choose to find phase noise and y?

What is the best way for finding FOM for this LC-VCO?

Please help me with these problems.

Asha