期刊论文

Cao, Buwen

英文

International Journal of Distributed Sensor Networks

1550-1477

2020

16

4

10.1177/1550147720914511

The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the National Natural Science Foundation of China (grant numbers: 61572180, 61472467, 61471164, 61672011, 61602164), the Hunan Provincial Natural Science Foundation of China (grant numbers: 2016JJ2012, 2018JJ2024), and the Key Project of the Education Department of Hunan Province (grant number: 17A037).

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With the development of modern communication, available spectrum resources are becoming increasingly scarce, which reduce network throughput. Moreover, the mobility of nodes results in the changes of network topological structure. Hence, a considerable amount of control information is consumed, which causes a corresponding increase in network power consumption and exerts a substantial impact on network lifetime. To solve the real-time transmission problem in large-scale wireless mobile sensor networks, opportunistic spectrum access is applied to adjust the transmission power of sensor nodes an...