计算机科学 ›› 2023, Vol. 50 ›› Issue (10): 258-265.doi: 10.11896/jsjkx.230500221
周雁翎, 米志超, 路颜霞, 王海
ZHOU Yanling, MI Zhichao, LU Yanxia, WANG Hai
摘要： 地理位置路由协议由于开销较低和可扩展性较好而在FANET网络中得到了广泛应用,但其贪婪转发过程中依据最靠近目的地的邻居节点作为中继的策略还存在一定的局限性。文中通过感知链路质量,提出了一种适用于拓扑变化频繁、网络环境拥挤的跨层链路质量状态感知的无人机地理位置路由协议(CLAQ-GPSR)。通过设立通信安全区,建立链路负载和流间干扰度量模型,采用交付比ETX衡量链路质量,结合物理层、MAC层、网络层数据综合衡量最可靠的中继节点,以提升通信质量。同时采用左右手组合转发规则,加快路径恢复中的转发速度,避免传统周边转发出现的路由循环等问题。通过网络仿真平台比对分析可知,相比传统的GPSR,W-GeoR和DGF-ETX协议,所提协议在数据包分组投递成功率、端到端时延和跳数等指标上更具优势。
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