Remote distributed carrier detection wireless network backoff time slot length optimizing method

The invention discloses a remote distributed carrier detection wireless network backoff time slot length optimizing method. The method includes the steps that firstly, a distribution function of the distance between nodes is determined; the backoff process of the distributed carrier detection wireless network nodes is modeled through a two-dimensional discrete Markov chain under the remote condition, stability probability distribution in the distributed carrier detection wireless network backoff stage is acquired according to the non-empty one-step state transition probability, and the transmission probability of the nodes is acquired according to a stability probability normalizing condition; according to the average successfully-transmitted data bit number of the network nodes in a time slot and the average length of the time slot, the network saturated throughput is calculated; finally, the optimal values of the backoff time slot length under different network scale conditions are determined according to a numerical search method. The validity of the method is proved by simulation experiments in a wireless network simulation environment EXata.