摘要
为了提高分析的精确性,考虑发送成功的站点可能连续发送和重传次数限制的影响,给出了分析非理想信道下IEEE 802.11 DCF性能的改进二维马尔可夫链模型,用该模型对IEEE 802.11 DCF访问机制进行分析,求出饱和吞吐量和平均帧时延表达式。通过仿真进行了验证。
In order to improve the accuracy of analysis,this paper,considering impacts of both finite retry limit and successive transmission,proposes an improved bidimensional Markov chains model for estimating the performance of IEEE 802.11 DCF for a non-ideal channel and then,using the improved model,analyzes the performances of IEEE802.11 DCF wireless LANs,deriving the expressions of the saturation throughput and the average frame delay.The results from the model are verified by simulation.
出处
《计算机工程与应用》
CSCD
北大核心
2011年第5期107-110,共4页
Computer Engineering and Applications
