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引用次数: 7
摘要
无人驾驶飞行器(uav)之所以受欢迎,是因为它们成本低,而且不会危及飞行员的生命。本文采用基于马尔可夫链模型的分析模型,对无人机自组织网络的IEEE 802.11介质访问控制(MAC)性能进行了研究。三维特性和高机动性是无人机自组织网络的主要特点。导出了参数与吞吐量、丢包率(packet drop rate, PDR)和时延表达式等性能指标之间的关系。给出了复杂度分析和数值结果。此外,为了保证无人机自组织网络的安全高效通信,研究了IEEE 802.11 MAC是否能满足性能要求。
Designing and Analysis of IEEE 802.11 MAC for UAVs Ad Hoc Networks
Unmanned aerial vehicles (UAVs) are popular because they are low cost and do not put in danger human pilot lives. In this study, performance of IEEE 802.11 medium access control (MAC) for UAVs ad hoc networks is studied using an analytical model based on Markov chain model. Three dimensional (3D) nature and high mobility are main characteristics of UAVs ad hoc networks which are considered. The relationship among parameters and performance metrics such as throughput, packet dropping rate (PDR), and delay expressions are derived. Complexity analysis and numerical results are presented. Moreover, to ensure safe and efficient communication in UAVs ad hoc networks, IEEE 802.11 MAC can satisfy the performance requirements or not is investigated.