摘要
结合无人机编队和卫星编队自组织分布协同应用场景,基于IEEE 802.11无线MAC协议,给出了MAC协议优化算法:S-DCF算法和最小竞争窗口调整算法。每个站点通过S-DCF算法估算当前网络中竞争站点的数目,然后根据最小竞争窗口调整公式调整最小竞争窗口。仿真结果表明,系统吞吐量得到明显提高,时延明显减小。该优化算法对提高和完善编队协同网络的通信性能具有一定意义。
Based on IEEE802.11 and the scenarios of Swarms of Small UAVs and formation flying Satellites,a optimized algorithm was introduced：a station estimated the number of competing terminals by means of using the S-DCF algorithm,and then adjusted its own minimum contention window based on the average length of collided frames and the frame transmitting speed.The simulation results show that the system throughput improved significantly,the system delay decreased significantly.The optimized algorithm may develop and improve the communication performances of the cooperation formation network.
出处
《火力与指挥控制》
CSCD
北大核心
2010年第5期52-54,57,共4页
Fire Control & Command Control
基金
陕西省自然科学基础研究计划基金资助项目(2006F3)
