Collision resolution algorithm based on sequential discrete window distribution mechanism

The invention discloses a collision classification model. Grouped collisions in the network are divided into cross collisions and intra collisions, and different strategies are adopted to carry out resolution according to the two different types of collisions. The sequential discrete window distribution (SDWD) is utilized to carry out the resolution of the cross collisions, and the cross collisions can be avoided through discretization of node distribution windows. Meanwhile, through setting of the distribution windows with the appropriate size, and a compromise is made between the probability of the intra collisions and the packet delay of the intra collisions. On the basis, the resolution of the two types of collisions, namely, the cross collision resolution (CCR) and collision-free CCR (CF-CCR) are achieved.