Abstract

Worldwide recently, connectivity of everything became hot issue in electronics engineering to make the Internet of Things (IoT) possible. In a point of IoT, it has been problematic for conventional indoor positioning systems to adopt system where devices can communicate only at the designated time slots. We propose membership management and positioning method of multiple objects using an UWB communication. The simple and unique management algorithm is composed of two stages. In the first stage, a master device sends a signal to each tag devices in order to confirm the communication ability status. In the second stage, the master device sends another signal to the confirmed tags to initiate ranging and positioning. The efficiency of the proposed management algorithm compared to conventional method is proved by experiments in ordinary classroom which exemplifies indoor coverage in buildings.

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