Probabilistic On-Demand Charging Scheduling for ISAC-Assisted WRSNs with Multiple Mobile Charging Vehicles
GLOBECOM 2023 - 2023 IEEE Global Communications Conference(2024)
摘要
The internet of things (IoT) based wireless sensor networks (WSNs) face an
energy shortage challenge that could be overcome by the novel wireless power
transfer (WPT) technology. The combination of WSNs and WPT is known as wireless
rechargeable sensor networks (WRSNs), with the charging efficiency and charging
scheduling being the primary concerns. Therefore, this paper proposes a
probabilistic on-demand charging scheduling for integrated sensing and
communication (ISAC)-assisted WRSNs with multiple mobile charging vehicles
(MCVs) that addresses three parts. First, it considers the four attributes with
their probability distributions to balance the charging load on each MCV. The
distributions are residual energy of charging node, distance from MCV to
charging node, degree of charging node, and charging node betweenness
centrality. Second, it considers the efficient charging factor strategy to
partially charge network nodes. Finally, it employs the ISAC concept to
efficiently utilize the wireless resources to reduce the traveling cost of each
MCV and to avoid the charging conflicts between them. The simulation results
show that the proposed protocol outperforms cutting-edge protocols in terms of
energy usage efficiency, charging delay, survival rate, and travel distance.
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关键词
Wireless rechargeable sensor networks,on-demand,partial charging,ISAC,mobile charging vehicles
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