Question: a) Discuss how rDCF protocol is backward compatible with IEEE 802.11 DCF. Draw a time sequence diagram to show it. b) What is rate adaptation

a) Discuss how rDCF protocol is backward compatible with IEEE 802.11 DCF. Draw a time sequence diagram to show it.

b) What is rate adaptation and where is it used? Explain the working of ARF and AARF protocols and differentiate between them?

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