Browse Items (26 total)
- Collection: Vol. 20, No. 3 2022
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TELKOMNIKA Telecommunication, , Computing, Electronics and Control
Planar broadband antenna for 2G/3G systemsComputing, Electronics and Control
A planar antenna with broadband gestalt is presented for mobile networks. The structure of the antenna is made up of a folded dipole pair with an L-figure microstrip coupling line. The microstrip coupling along with the dipoles are attached on a…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A hybrid soft bit flipping decoder algorithm for effective signal transmission and reception
The Euclidean geometry (EG) based low-density parity check (LDPC) codes are enciphered and deciphered in various modes. These algorithms have the back-and-forth between decoding delay, and power usage, device unpredictability resources, and error…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A novel fern-like lines detection using a hybrid of pre-trained convolutional neural network model and Frangi filter
Full ferning is the peak of the formation of a salt crystallization line pattern shaped like a fern tree in a woman’s saliva at the time of ovulation. The main problem in this study is how to detect the shape of the salivary ferning line patterns…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A novel wideband circularly-polarized microstrip antenna array based on DGS for wireless power transmission
The requirement for applications operating at a variety of frequencies in a unified wireless device has greatly enhanced in recent years. For this
purpose, multi-functional wireless components are essential. This paper
presents a new design of a…
purpose, multi-functional wireless components are essential. This paper
presents a new design of a…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
An open-source active power controller for grid required ancillary services
With increasing penetration of renewable energies into modern power
systems, supporting grid required ancillary services become a challenging problem. Wind turbines, as one of the main sources of renewable energies, has some inherit features which…
systems, supporting grid required ancillary services become a challenging problem. Wind turbines, as one of the main sources of renewable energies, has some inherit features which…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Attenuated-chattering adaptive second order variable structure controller for mismatched uncertain systems
In this paper, an attenuated-chattering adaptive second order variable
structure controller (ACASOVSC) is proposed for mismatched uncertain
systems using a Moore-Penrose inverse method. The key achievements of this study include three tasks: 1)…
structure controller (ACASOVSC) is proposed for mismatched uncertain
systems using a Moore-Penrose inverse method. The key achievements of this study include three tasks: 1)…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Benefits of using TiO2 quantum dots in producing low-cost and high-quality white light-emitting diodes
Quantum dots (QDs) is considered as a potential material for the
improvement of light-emitting diodes (LEDs). However, different from the traditional phosphor materials, they have unique scattering and absorption properties affected by their several…
improvement of light-emitting diodes (LEDs). However, different from the traditional phosphor materials, they have unique scattering and absorption properties affected by their several…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Comparative study of extraction features and regression algorithms for predicting drought rates
Rice is the primary staple food source for Indonesian people, with
consumption increasing so that rice production needs to be increased.
Rice drought is one of the problems that can hamper rice production.
This research aims to determine the best…
consumption increasing so that rice production needs to be increased.
Rice drought is one of the problems that can hamper rice production.
This research aims to determine the best…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Crime index based on text mining on social media using multi classifier neural-net algorithm
Everyday criminal issues appear on social media, even some crime news is often disturbing to the public but it gives a warning to the public to remain careful and alert to the surrounding environment. However, following large amounts of crime…