欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
利用三维马尔可夫链和M／G／1／K队列建立了有限负载下DCF机制的性能模型，分析了终端数量、传输负载、二进制指数回退机制及MAC层有限队列对系统性能的影响．基于该模型，推导了有限负载下最大化吞吐量的最优最小竞争窗口的闭式解．仿真结果表明，模型能够有效地预测有限负载下DCF的性能，根据传输负载调整最小竞争窗口大小能够获得最大化吞吐量．
英文摘要：
By using a three dimensional Markov chain and M/G/1/K queue,a performance model was proposed for IEEE 802.11 DCT in finite load, which analyzed the impact of different factors, including number of the terminals, traffic loads, the binary exponential back-off mechanism and the finite queue system at the MAC layer. Based on the model, the closed form of optimum minimum contention window maximizing the throughput under fmite load was derived. Simulation results show that the model can evaluate validly the performance of the DCF. By adjusting minimum contention window according to various traffic loads, maximized throughput can be obtained.
同期刊论文项目
同项目期刊论文
期刊信息
位置：