期刊
IEEE ACCESS
卷 5, 期 -, 页码 16193-16204出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2017.2728367
关键词
Strip-based wireless sensor networks; energy hole; transmission scheme; accurate distance
资金
- National Natural Science Foundation of China [61001112, 61372082, 61671209]
- Guangdong Natural Science Foundation, China [S2013010012141]
- Cultivation Program for Major Projects and Important Achievements of Guangdong Province, China [2014KTSCX012, 2016KTSCX005]
- Fundamental Research Funds for the Central Universities, China [2011ZM0030, 2013ZZ0042, 2015ZZ090]
An obvious limitation of wireless sensor networks (WSNs) concerns the energy consumption and the network lifetime. Transmitting signals, including sending and receiving, take most of the energy dissipation in such a network. Generally the data transmission in such a network follows a many-to-one pattern, which leads to the so-called energy hole near the sink and lifetime reduction. This paper makes a first attempt to solve the many-to-one transmission problem of strip-based WSN and avoid energy holes of such a network, which is divided into multiple layers. Specifically, we propose an accurate-distancesbased transmission scheme, which aims at achieving the most precise layer lengths so far and obtaining the optimal transmission distances in different regions to date. Such a transmission scheme enables the network lifetime of the strip-based WSN to reach a maximum. Extensive simulations are carried out to validate the effectiveness and advantages of our transmission scheme.
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