Sensing and Transmission Design for AoI-Sensitive Wireless Sensor Networks

被引：0
作者：
Kim, Jinwoong [1 ]
Kim, Minsu [1 ]
Lee, Jemin [1 ]
机构：
[1] Daegu Gyeongbuk Inst Sci & Technol DGIST, Dept Informat & Commun Engn ICE, Daegu, South Korea
来源：
2020 IEEE GLOBECOM WORKSHOPS (GC WKSHPS) | 2020年
基金：
新加坡国家研究基金会;
关键词：
Age of information; sensor coverage; AoI violation probability; status updates; wireless sensor networks; INFORMATION; AGE;
D O I：
10.1109/GCWkshps50303.2020.9367414
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we analyze the average energy consumption in the wireless sensor network (WSN). We first characterize the age of information (AoI) considering the retransmission and define an error-tolerable sensing coverage which shrinks as the AoI increases using the spatial-temporal correlation of the sensed data. We then provide the.-coverage probability for guaranteeing the. portion of the sensing coverage. To analyze the.-coverage probability, we derive the closed-form expression of the AoI violation probability depending on the violation threshold. We also present the optimal transmission power of the sensor that minimizes the average energy consumption satisfying the target error-tolerable coverage according to the maximum number of the retransmission.
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页数：6
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