The CSMA protocols were analyzed and a new MAC protocol in Channel Access-Based Cluster(CABC)arithmetic named M-CSMA was introduced.Finally,the simulation results were given by OPNET.

• 通过对CSMA协议的分析,在基于信道接入分簇网络中提出了改进的MAC协议,即M-CSMA协议。最后,利用OPNET仿真实现了该协议,并给出了相关的仿真结果。