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http://dx.doi.org/10.15207/JKCS.2018.9.8.033

Carrier Sensing Techniques for Long Range Internet of Things  

Lee, Il-Gu (Department of Convergence Security Engineering, Sungshin University)
Publication Information
Journal of the Korea Convergence Society / v.9, no.8, 2018 , pp. 33-39 More about this Journal
Abstract
In the Internet of Things (IoT) era, objects are connected to each other by wired and wireless networks, and information is exchanged whenever necessary. Channel and network environments change over time; thus, a carrier sensing function that identifies whether signals containing information are present in the channel is essential. The carrier sensing circuit of a wireless communication system determines the receiver sensitivity, and the receiver sensitivity is closely related to the service coverage and service quality of the system. As the receiver sensitivity decreases, the service coverage increases but it becomes sensitive to noise. However, as the receiver sensitivity increases, the service coverage decreases but it becomes insensitive to the noise. Therefore, carrier sensing design and optimization are very important from the viewpoint of the receiver sensitivity and noise sensitivity. This paper proposes an effective carrier sensing technique from the viewpoint of the receiver sensitivity for the long range IoT.
Keywords
Carrier Sensing; Internet of Things; Long Range; Sensitivity; Wirless Network;
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Times Cited By KSCI : 3  (Citation Analysis)
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