摘要
针对水声传感器网络路由过程中的空洞问题和数据传输中能效低下的问题,该文提出了融合深度调整和自适应转发的水声网络机会路由(OR-DAAF)。针对路由空洞,区别于传统绕路策略,OR-DAAF提出一种基于拓扑控制的空洞恢复模式算法—利用剩余能量对空洞节点分级,先后调整空洞节点到新的深度以克服路由空洞,恢复网络联通。针对数据传输中的能效低下问题,OR-DAAF提出了转发区域划分机制,通过转发区域的选择自适应转发面积以抑制冗余包,并提出基于加权推进距离,能量和链路质量的多跳多目标路由决策指标,综合考虑区域能量,链路质量和推进距离实现能效平衡。实验数据表明,相比DVOR协议,OR-DAAF的包投递率和生命周期分别提高10%和48.7%,端到端时延减少22%。
Considering voids in the routing process of underwater acoustic sensor networks and low energy efficiency in data transmission,An Opportunistic Routing fusing Depth Adjustment and Adaptive Forwarding(OR-DAAF)technique is developed.Aiming at routing voids,instead of adopting the traditional detour strategy,OR-DAAF proposes a topology control-based void recovery mode algorithm,which uses the residual energy to grade void nodes and successively adjusts them to the new depth to overcome routing voids and restore network connectivity.Aiming at low energy efficiency in data transmission,OR-DAAF proposes a forwarding area division mechanism that selects the forwarding area to suppress redundant packets.It also puts forward a multi-hop and multi-objective routing decision index based on weighted advance distance,energy and link quality,comprehensively considering regional energy,link quality and advance distance to achieve an energy efficiency balance.Experimental results show that compared with a Doppler VHF omnidirectional range,OR-DAAF improves packet delivery rate by 10%and network lifetime by 48.7%,respectively and reduces delay by 22%.
作者
金志刚
梁嘉伟
羊秋玲
JIN Zhigang;LIANG Jiawei;YANG Qiuling(School of Electrical and Information Engineering,Tianjin University,Tianjin 300072,China;School of Future Technology,Tianjin University,Tianjin 300072,China;School of Computer Science and Technology,Hainan University,Haikou 570228,China)
出处
《电子与信息学报》
EI
CAS
CSCD
北大核心
2024年第1期49-57,共9页
Journal of Electronics & Information Technology
基金
国家自然科学基金(52171337,61862020)。
关键词
水声传感器网络
路由协议
深度调整
自适应转发
Underwater acoustic sensor networks
Routing protocol
Depth adjustment
Adaptive forwarding