Browse Items (25 total)
- Collection: Vol. 21, No. 2 2023
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TELKOMNIKA Telecommunication Computing Electronics and Control
The better distant phosphor configurations for enhancing WLED color intensity: YVO4:Eu3+ and YF3:Mn2+
The distant phosphor configuration produces more illuminating beams than the
two settings containing conformal or in-cup phosphor. When this configuration
is used, though, it is difficult to manage the color standard of light-emitting
diodes…
two settings containing conformal or in-cup phosphor. When this configuration
is used, though, it is difficult to manage the color standard of light-emitting
diodes…
TELKOMNIKA Telecommunication Computing Electronics and Control
The improvement of the color rendering index using convex-dual-layer remote phosphor geometry with YOCl:Eu3+
White-light emitting diodes (WLEDs) are semiconductor light sources
whose construction design is usually made up of a single pumping chip and
a single light-conversion film of phosphor compound. The outstanding
problem of this traditional setting…
whose construction design is usually made up of a single pumping chip and
a single light-conversion film of phosphor compound. The outstanding
problem of this traditional setting…
TELKOMNIKA Telecommunication Computing Electronics and Control
Medium access in cloud-based for the internet of things based on mobile vehicular infrastructure
Smart cities are made up of a large number of smart, intelligent gadgets that
can sense, compute, act, and communicate. Focusing on how data is
transferred between sensory devices and applications in the internet of things
(IoT), and…
can sense, compute, act, and communicate. Focusing on how data is
transferred between sensory devices and applications in the internet of things
(IoT), and…
TELKOMNIKA Telecommunication Computing Electronics and Control
Research on advancing chromatic reproduction and luminosity of a WLED using triple-layer remote phosphor arrangement
In this study, the use of triple-sheet phosphor arrangement (TRP) in
performing significant improvements to both color quality and luminous
flux of white light emitting diode (WLEDs) is introduced. The phosphor
layer of CaLaB3O7:Ce3+,Mn2+ is to…
performing significant improvements to both color quality and luminous
flux of white light emitting diode (WLEDs) is introduced. The phosphor
layer of CaLaB3O7:Ce3+,Mn2+ is to…
TELKOMNIKA Telecommunication Computing Electronics and Control
Safety precautions in the usage of extension cords by students in halls and hostels
This paper presents the evaluation of the safety measures adopted by Ho
Technical University (HTU) students in the use of power extension cords in
their halls and hostels, along with their safety considerations for properly
selecting these cords…
Technical University (HTU) students in the use of power extension cords in
their halls and hostels, along with their safety considerations for properly
selecting these cords…
TELKOMNIKA Telecommunication Computing Electronics and Control
Ring slot CP antenna for the hybrid electromagnetic solar energy harvesting and IoT application
The research proposed a compact antenna integrated with dual-function solar
cells to optimize internet of things (IoT) communication devices and energy
harvesting. The use of integrated solar cells with electromagnetic elements
as antennas and…
cells to optimize internet of things (IoT) communication devices and energy
harvesting. The use of integrated solar cells with electromagnetic elements
as antennas and…
TELKOMNIKA Telecommunication Computing Electronics and Control
A survey on security and policy aspects of blockchain technology
This survey talks about the problem of security and privacy in the
blockchain ecosystem which is currently a hot issue in the blockchain
community. The survey intended to study this problem by considering
different types of attacks in the…
blockchain ecosystem which is currently a hot issue in the blockchain
community. The survey intended to study this problem by considering
different types of attacks in the…
TELKOMNIKA Telecommunication Computing Electronics and Control
Hybrid convolutional neural networks-support vector machine classifier with dropout for Javanese character recognition
This research paper explores the hybrid models for Javanese character
recognition using 15600 characters gathered from digital and handwritten
sources. The hybrid model combines the merit of deep learning using
convolutional neural networks (CNN)…
recognition using 15600 characters gathered from digital and handwritten
sources. The hybrid model combines the merit of deep learning using
convolutional neural networks (CNN)…
TELKOMNIKA Telecommunication Computing Electronics and Control
Driving cycle development methods: case study in Malaysia
Over the years, many models have been created to estimate pollution
inventories and fuel usage. These models can be divided into two types:
travel-based and fuel-based. One of the most used travel-based models for
estimating emission inventories…
inventories and fuel usage. These models can be divided into two types:
travel-based and fuel-based. One of the most used travel-based models for
estimating emission inventories…
TELKOMNIKA Telecommunication Computing Electronics and Control
A bandwidth reconfigurable antenna for devices in low UWB-applications
A reconfigurable simple design planar antenna for ultra-wideband
applications is proposed, with E-shaped slot contained four narrow vertical
slots that has the capacity of switching using four PIN diodes with a ground
plan and a microstrip power…
applications is proposed, with E-shaped slot contained four narrow vertical
slots that has the capacity of switching using four PIN diodes with a ground
plan and a microstrip power…