摘要
针对无线网络中的媒质访问控制存在的不足,提出了一种新的算法。该算法基于动态p-坚持算法,其核心思想采用虚拟传输或虚拟线程,目标是为动态p-坚持算法提供更多的信息以获得最佳传输概率,提高无线带宽的利用效率。仿真表明,新算法平均提高吞吐量约27%,平均降低碰撞率约28%。
Concerning the medium access control shortcoming of wireless network,a sort of new algorithm was proposed in this paper.The algorithm was based on the dynamic p-persistent algorithm and its kernel idea was derived from virtual transmission or virtual thread.The aim that provided more information for the dynamic p-persistent algorithm to obtain the optimal transmission probability was to increase available efficiency of wireless bandwidth.The simulations show that the proposed algorithm increases throughput about 27%,and reduces collision rate about 28% on average.
出处
《计算机应用》
CSCD
北大核心
2012年第12期3505-3507,3524,共4页
journal of Computer Applications
基金
国家自然科学基金资助项目(61102007)
四川省教育厅自然科学基金资助项目(10ZC012)
中央高校基本科研业务费专项资金资助项目(12NZYBS05)
关键词
无线媒质
访问控制
传输概率
吞吐量
wireless medium
access control
transmission probability
throughput
