Before revision:  We first make a simplistic Palm interpretation of the Bianchi's formula and on the basis of which, succinct equations describing the backoff distribution as a function of the collision probability \gamma are derived, which also correct a possible misunderstanding in the field. The observation that the entropy of the backoff process in 802.11 increases with the number of nodes leads us to see through a Poissonian character inherent in 802.11. However, it is also found that the collision effect between nodes prevails over the Poissonian aggregation effect in spite of its tendency to increase with the number of nodes. Based on these findings, we formulate the principle about the inter-transmission probability that lays a foundation for the short-term fairness analysis. Another principle discovered upon regular variation theory is that the backoff times have a truncated Pareto-type tail distribution with an exponent of (\log \gamma)/\log m (m is the multiplicative factor  ).
After revision:  A simplistic principle founded upon regular variation theory is that the backoff times have a truncated Pareto-type tail distribution with an exponent of (\log \gamma)/\log m (m is the multiplicative factor ).