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Recently, there has been much focus on mobile sensor networks, and we have even seen the development of small-profile sensing devices that are able to control their own movement. Although it has been shown that mobility alleviates several issues relating to sensor network coverage and connectivity, many challenges remain. Among these, the need for position estimation is perhaps the most important. It is too expensive to include a GPS receiver with every sensor node. Hence, localization schemes for sensor networks typically use a small number of seed nodes that know their location and protocols whereby other sensor nodes estimate their location from the messages they receive. In this paper, we propose a new technique to localize mobile sensor nodes using sectorized antenna. We consider that both sensor nodes and seeds are mobile, and argue that mobility can be exploited to improve the accuracy and precision of localization. It is tested extensively in a simulation environment and compared with other existing methods. The results of our experiments clearly indicate that our proposed approach can achieve a high accuracy without need of high density of seeds.
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篇名 New Localization Technique for Mobile Wireless Sensor Networks Using Sectorized Antenna
来源期刊 通讯、网络与系统学国际期刊(英文) 学科 医学
关键词 LOCALIZATION Sectorized ANTENNA SEED MOBILE WIRELESS SENSOR Networks
年,卷(期) 2015,(9) 所属期刊栏目
研究方向 页码范围 329-341
页数 13页 分类号 R73
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LOCALIZATION
Sectorized
ANTENNA
SEED
MOBILE
WIRELESS
SENSOR
Networks
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引文网络交叉学科
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期刊影响力
通讯、网络与系统学国际期刊(英文)
月刊
1913-3715
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
763
总下载数(次)
1
总被引数(次)
0
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