Coverage-Aware Recharging Scheduling Using Mobile Charger in Wireless Sensor Networks

doi:10.1109/ACCESS.2021.3088524

淡江大學機構典藏 > 工學院 > 資訊工程學系暨研究所 > 期刊論文 > Item 987654321/120928

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題名:	Coverage-Aware Recharging Scheduling Using Mobile Charger in Wireless Sensor Networks
作者:	BHARGAVI DANDE;SHI-YONG CHEN;HUAN-CHAO KEH;SHIN-JER YANG;DIPTENDU SINHA ROY
關鍵詞:	Mobile charger;recharging;coverage;wireless sensor networks;ping-pong effect
日期:	2021-06-11
上傳時間:	2021-08-18 12:12:09 (UTC+8)
摘要:	Energy recharging in wireless rechargeable sensor networks (WRSNs) has acquired much attention in recent years. In literature, many recharging path construction algorithms have been proposed. Most of them considered that all sensors are equally important and designed algorithms to increase the number of recharged sensors or decrease the path length of the mobile charger. However, different sensors have different coverage contributions. Recharging the sensors with larger coverage contribution can achieve better surveillance quality. The proposed recharging scheduling algorithm is divided into three phases, including the Initialization, Recharging Scheduling and Path Construction Phases. In the second phase, this paper proposed two recharging scheduling algorithms, namely the Cost-Effective (CE) algorithm and Cost-Effective with Considerations of Coverage and Fairness (C2F) algorithm. The proposed two algorithms construct paths for the mobile charger and select the recharging sensors based on the higher weight in terms of larger coverage contribution and smaller path cost. Performance results show that the CE and C2F algorithms yield better performance in terms of the fairness of recharging, recharging stability and coverage ratio, as compared with the existing studies.
關聯:	IEEE ACCESS 9, p.87318-87331
DOI:	10.1109/ACCESS.2021.3088524
顯示於類別:	[資訊工程學系暨研究所] 期刊論文

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