+2 MM articles scientifics and academics

In order to calculate the number of tags in a radio frequency identification (RFID) system, several tag estimation methods have been investigated in literature and most of the available estimation methods need the overall knowledge of idle, success and co... see more

Engineering Journal (EJ) , 2017

Free Access

A Beam Scanning-Based Indoor Localization System using Light Emitting Diodes

Muhammad Saadi, Yan Zhao, Oumair Naseer, Lunchakorn Wuttisittikulkij

In this paper, an indoor localization system using light emitting diodes (LEDs) is presented. Location of an object is determined by scanning two LEDs at pre-defined angles which are modulated at different frequencies. During scanning process, for each LE... see more

Indoor localization | light emitting diodes | beam scanning | received signal strength.

Engineering Journal (EJ) , 2016

Free Access

Frame Size Analysis of Optimum Dynamic Tree in RFID Systems

Sanika K. Wijayasekara, M. Saadi, W. Srichavengsup, R. Annur, S. Nakpeerayuth, H.-Y. Hsieh, L. Wuttisittikulkij

Engineering Journal (EJ) , 2020

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