[ns] Need help to use Rayleigh fading in ZigBee

[pratiti bhadra]

Hi all,

How can I use rayleigh fading model in ZigBee stack.
Tworayground radio  propagation model used in ZigBee/IEEE 802.15.4 . Can I
use rayleigh fading propagation model instead of tworayground.
How can I change it.

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With best regards,
     Pratiti