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http://dx.doi.org/10.5762/KAIS.2017.18.3.327

A Study on the Technology Development of User-based Home Automation Service  

Lee, Jung-Gi (Mechatronics, Korea Polytechnic University)
Lee, Yeong-Seok (Division of Electronics &Telecommunications, Korea Polytechnic University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.18, no.3, 2017 , pp. 327-332 More about this Journal
Abstract
As Internet of Things (IoT) technology advances, there is a growing demand for location-based services (LBSs) to identify users' mobility and identity. The initial LBS system was mainly used to measure position information by measuring the phase of a signal transmitted from a global positioning system (GPS) satellite or by measuring distance to a satellite by tracking the code of a carrier signal. However, the use of GPS satellites is ineffective, because it is difficult to receive satellite signals indoors. Therefore, research on wireless communications systems like ultra-wide band (UWB), radio frequency identification (RFID), and ZigBee are being actively pursued for location recognition technology that can be utilized in an indoor environment. In this paper, we propose an LBS system that includes the 2.45GHz band for chirp spread spectrum (CSS), and the 3.1-10.6GHz band and the 250-750MHz bands for UWB using the IEEE 802.15.4a standard for low power-based location recognition. As a result, we confirmed that the 2.45GHz Industrial, Scientific and Medical (ISM) band RF transceiver and the ranging function can be realized in the hardware and has 0dBm output power.
Keywords
CSS; IEEE802.15.4a; IoT; LBS; UWB;
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Times Cited By KSCI : 2  (Citation Analysis)
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