The study and simulation of connectivity based routing protocols in ad hoc networks

Connectivity is one of the essential properties of Ad Hoc networks. It is very important to keep the whole system connective for improving the throughput of the networks. Mainly based on the method of the probability, the most literatures focus on the critical transmission range (CTR) or the averaged minimum node degree in which the Ad Hoc networks could be kconnectivity. Firstly, this paper summarizes the present process on the connectivity and simulates the four routing protocols with the energy model in the different environments such as node density, pause time and mobility velocity. Secondly, with the energy constrained, it is clearly shown that the math’s models of the related works are not co insistent with the experimental results.Finaly, this paper makes a prospect for the future research areas based on the simulation results.