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All Journal Sainstek JURNAL NASIONAL TEKNIK ELEKTRO Journal of Information Technology and Computer Engineering Alauddin Journal of Mathematics Education (AJME) KHIDMAH: Jurnal Pengabdian kepada Masyarakat

Baharuddin Abbas, Baharuddin

Universitas Andalas

Author-ID : 667156

Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences

Published : 14 Documents Claim Missing Document

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Perbandingan Kinerja Citra Watermarking dengan Menggunakan Metode Discrete Wavelet Transform (DWT) dan Discrete Cosinus Transform (DCT) Baharuddin, Baharuddin
Sainstek Vol 11, No 1 (2008): Vol. XI No. 1, September 2008
Publisher : Lembaga Penelitian Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (251.436 KB)

The Research we propose is to compare watermarking method using Discrete Wavelet Transform (DWT) with Discrete Cosinus Transform (DCT). From these two methods, we will see the comparison of image has been given watermarking. By looking at the results of these two methods, the owner of digital image can select the best method to protect his data based to his need. Â The watermarked image will be analyzed objectively by means square error (MSE) and peak-to-peak signal to noise ratio (PSNR). Then we will look at its influences after given noise degradation. The simulation results showed the Discrete Wavelet Transform (DWT) methods is the best if it is compare to Discrete Cosinus Transform (DCT). Keywords: DWT, DCT, image processing, noise, MSE, PSNR

Web-based Monitoring System for Power Electronics Devices on Off-grid Solar Power Generator Luthfi, Amirul; Waldi, Eka Putra; Darmawan, Darmawan; Baharudin, Baharudin; Sunaryo, Budi
JURNAL NASIONAL TEKNIK ELEKTRO Vol 10, No 1: March 2021
Publisher : Jurusan Teknik Elektro Universitas Andalas

Power electronic devices are the main component of the solar power generation system. This study proposes a web-based monitoring system which presents power electronic performance parameter in a real-time across an internet connection. The investigation takes ACS712 and PZEM-004T for the power converter performance measuring and Arduino Mega 2560 with an ethernet shield for data acquisition and transmission. This paper describes the schematic design of the hardware and also explains the software work-flow and structure. The test and calibration on the sensor's voltage and current to standard digital multi-meter Tektronix DMM4050 show the sensor able to accurately read the converter performance parameter and meet the standard IEC-61724. The functionality test on the web-based information system indicates the designed user interface to present the power electronic performance parameter of the solar power generator.Keywords: Monitoring System, Power Electronics and Solar Power

Analisa Kinerja Pengkodean Kanal Type Reed Solomon Coding pada Kualitas Transmisi Citra Abbas, Baharuddin
JURNAL NASIONAL TEKNIK ELEKTRO Vol 7, No 1: March 2018
Publisher : Jurusan Teknik Elektro Universitas Andalas

In the telecommunication systems, the data like audio, image, and video are transmitted to a receiver through a communication channel. However, the presence of noise and fading in the channel will degrade its performance. The degradation may cause error on signal detection and change the bits or symbols on the receiver. By applying a RS Code channel coding technique on the transmitter and the receiver, it may improve the performance of digital communication system. The influence of employing the RS Code channel coding technique on the system with noise Additive White Gaussian Noise (AWGN) and Rayleigh fading has been analyzed through a simulation. Performance evaluation on the use of RS Code channel coding technique can be determined from the analysis of Bit Error Rate (BER) and Peak Signal to Noise Ratio (PSNR). The simulation result shows that the system is improved by 5dB on the receiver compares to the system without using RS Code channel coding technique.Â Keywords : Reed Solomon Code , Noise AWGN, Fading Rayleigh, PSNR, BERÂ AbstrakDalam sistem telekomunikasi, data multimedia berupa audio, citra, dan video ditransmisikan ke penerima melalui sebuah kanal komunikasi. Pada sistem telekomunikasi yang menggunakan kanal komunikasi wireless, selain pengaruh redaman, gangguan yang paling dominan adalah noise dan fading. Fading dan noise dikanal akan menurunkan kinerja sistem telekomunikasi digital karena dapat menyebabkan terjadinya kesalahan pendeteksian sinyal, sehingga terjadi perubahan bit atau simbol pada sisi penerima. Dengan menerapkan teknik pengkodean kanal tipe Reed Solomon Code pada sisi pengirim dan penerima, maka dapat ditingkatkan kinerja dari sistem komunikasi digital tersebut. Melalui simulasi dalam penelitian ini, telah dianalisa pengaruh penerapan teknik pengkodean kanal Reed Solomon Code pada sistem yang dipengaruhi noise Additive White Gaussian Noise (AWGN) dan fading Rayleigh. Besarnya pengaruh penggunaan dari teknik pengkodean kanal Reed Solomon Code dapat diketahui melalui analisa Bit Error Rate (BER) dan Peak Signal to Noise Ratio (PSNR). Hasil simulasi dari penelitian ini menunjukkan bahwa adanya peningkatan perbaikan sistem dipenerima rata-rata 5dB bila dibandingkan dengan tanpa menggunakan teknik pengkodean kanal Reed Solomon Code.Kata Kunci : Reed Solomon Code , Noise AWGN, Fading Rayleigh, PSNR, BER

Peningkatan Unjuk Kerja Sistem Transmisi Komunikasi Digital pada Penerima dengan Menggunakan Teknik Diversity Equal Gain Combining Abbas, Baharuddin; Rusli, Ondri Yudha
JURNAL NASIONAL TEKNIK ELEKTRO Vol 5, No 2: Juli 2016
Publisher : Jurusan Teknik Elektro Universitas Andalas

In digital communication systems, their fading and noise in the channel will disrupt or degrade the performance of a digital communication system. Where this disorder, can cause the error detection signal, so as to change bits or symbols at the receiver side. By applying the techniques of the equal gain combining diversity at the receiving end, it can be improved the performance of the digital communication system. Through simulation in this study have been analyzed, the effect of the application of the equal gain combining diversity technique on the affected system noise AWGN and Rayleigh fading. The magnitude of the effect of the equal gain combining diversity technique used can be determined through analysis of the BER. The simulation results of this study indicate that, an increase in system improvements dipenerima average two times better when compared to without using equal gain combining diversity technique.Keywords : Diversity Equal Gain Combining, Noise AWGN, Fading Rayleigh, BERAbstrak - Pada sistem komunikasi digital, adanya fading dan noise di kanal akan mengganggu maupun menurunkan kinerja sistem komunikasi digital. Dimana gangguan ini, dapat menyebabkan terjadinya kesalahan pendeteksian sinyal, sehingga dapat terjadi perubahan bit atau simbol pada sisi penerima. Dengan menerapkan teknik diversity equal gain combining pada sisi penerima, maka dapat ditingkatkan kinerja dari sistem komunikasi digital tersebut. Melalui simulasi dalam penelitian ini telah dianalisa, pengaruh penerapan teknik diversity equal gain combining pada sistem yang terkena noise AWGN dan fading Rayleigh. Besarnya pengaruh dari teknik diversity equal gain combiningÂ yang digunakan dapat diketahui melalui analisa BER.Â Hasil simulasi dari penelitian ini menunjukkan bahwa, adanya peningkatan perbaikan sistem dipenerima rata rata dua kali lebih baik bila dibandingkan dengan tanpa menggunakan teknik diversity equal gain combining.Kata kunci : Diversity Equal Gain Combining, Noise AWGN, Fading Rayleigh, BER

Analisa Unjuk Kerja Peningkatan Transmisi Citra pada Kanal Wireless Menggunakan Teknik Diversity Selection Combining Abbas, Baharuddin
JURNAL NASIONAL TEKNIK ELEKTRO Vol 6, No 1: Maret 2017
Publisher : Jurusan Teknik Elektro Universitas Andalas

This study is the simulation of SPIHT image compression using diversity selection combining techniques. The image is compressed by using SPIHT compression techniques after wavelet decomposition. By giving Rayleigh fading channel and AWGN on the channel transmission will cause the degradation of the overall system performance. To minimize the effects caused by the errors that occur during the transmission, the diversity selection combining techniques are used at the receiver that work on the wavelet domain in order to increase the overall system performance. Performance evaluation on the use of selection combining diversity technique can be determined through PSNR analysis. The simulation results of this study indicate that applying the diversity selection combining techniques on the system that affected by noise AWGN and Rayleigh fading can increase the performance of the overall system at the receiver when comparing to the receiver without using the selection combining diversity techniques.Keywords : Diversity Selection Combining, Noise AWGN, Fading Rayleigh, PSNR, BERAbstrak â€“ Penelitian ini merupakan simulasi citra terkompresi SPIHT menggunakan teknik diversity selection combining. Citra yang digunakan dikompresi terlebih dahulu dengan teknik kompresi SPIHT setelah didekomposisi wavelet. Pada kanal transmisi diberi pemodelan kanal Rayleigh fading dan AWGN yang akan menyebabkan terjadinya penurunan unjuk kerja sistem secara keseluruhan. Oleh karena itu, untuk memperbaiki unjuk kerja sistem tersebut yaitu dengan meminimalkan efek yang diakibatkan oleh error yang terjadi selama transmisi, maka pada bagian penerima digunakan teknik diversity selection combining yang bekerja pada daerah wavelet. Besarnya pengaruh dari teknik diversity selection combining yang digunakan dapat diketahui melalui analisa PSNR.Â Hasil simulasi dari penelitian ini menunjukkan bahwa, adanya peningkatan perbaikan sistem dipenerima bila dibandingkan dengan tanpa menggunakan teknik diversity selection combining.Kata kunci : Diversity Selection Combining, Noise AWGN, Fading Rayleigh, PSNR, BER

Peningkatan Unjuk Kerja Sistem Transmisi Komunikasi Digital pada Penerima dengan Menggunakan Teknik Diversity Equal Gain Combining Baharuddin Abbas; Ondri Yudha Rusli
JURNAL NASIONAL TEKNIK ELEKTRO Vol 5 No 2: Juli 2016
Publisher : Jurusan Teknik Elektro Universitas Andalas

In digital communication systems, their fading and noise in the channel will disrupt or degrade the performance of a digital communication system. Where this disorder, can cause the error detection signal, so as to change bits or symbols at the receiver side. By applying the techniques of the equal gain combining diversity at the receiving end, it can be improved the performance of the digital communication system. Through simulation in this study have been analyzed, the effect of the application of the equal gain combining diversity technique on the affected system noise AWGN and Rayleigh fading. The magnitude of the effect of the equal gain combining diversity technique used can be determined through analysis of the BER. The simulation results of this study indicate that, an increase in system improvements dipenerima average two times better when compared to without using equal gain combining diversity technique.Keywords : Diversity Equal Gain Combining, Noise AWGN, Fading Rayleigh, BERAbstrak - Pada sistem komunikasi digital, adanya fading dan noise di kanal akan mengganggu maupun menurunkan kinerja sistem komunikasi digital. Dimana gangguan ini, dapat menyebabkan terjadinya kesalahan pendeteksian sinyal, sehingga dapat terjadi perubahan bit atau simbol pada sisi penerima. Dengan menerapkan teknik diversity equal gain combining pada sisi penerima, maka dapat ditingkatkan kinerja dari sistem komunikasi digital tersebut. Melalui simulasi dalam penelitian ini telah dianalisa, pengaruh penerapan teknik diversity equal gain combining pada sistem yang terkena noise AWGN dan fading Rayleigh. Besarnya pengaruh dari teknik diversity equal gain combining yang digunakan dapat diketahui melalui analisa BER. Hasil simulasi dari penelitian ini menunjukkan bahwa, adanya peningkatan perbaikan sistem dipenerima rata rata dua kali lebih baik bila dibandingkan dengan tanpa menggunakan teknik diversity equal gain combining.Kata kunci : Diversity Equal Gain Combining, Noise AWGN, Fading Rayleigh, BER

Analisa Unjuk Kerja Peningkatan Transmisi Citra pada Kanal Wireless Menggunakan Teknik Diversity Selection Combining Baharuddin Abbas
JURNAL NASIONAL TEKNIK ELEKTRO Vol 6, No 1: Maret 2017
Publisher : Jurusan Teknik Elektro Universitas Andalas

This study is the simulation of SPIHT image compression using diversity selection combining techniques. The image is compressed by using SPIHT compression techniques after wavelet decomposition. By giving Rayleigh fading channel and AWGN on the channel transmission will cause the degradation of the overall system performance. To minimize the effects caused by the errors that occur during the transmission, the diversity selection combining techniques are used at the receiver that work on the wavelet domain in order to increase the overall system performance. Performance evaluation on the use of selection combining diversity technique can be determined through PSNR analysis. The simulation results of this study indicate that applying the diversity selection combining techniques on the system that affected by noise AWGN and Rayleigh fading can increase the performance of the overall system at the receiver when comparing to the receiver without using the selection combining diversity techniques.Keywords : Diversity Selection Combining, Noise AWGN, Fading Rayleigh, PSNR, BERAbstrak – Penelitian ini merupakan simulasi citra terkompresi SPIHT menggunakan teknik diversity selection combining. Citra yang digunakan dikompresi terlebih dahulu dengan teknik kompresi SPIHT setelah didekomposisi wavelet. Pada kanal transmisi diberi pemodelan kanal Rayleigh fading dan AWGN yang akan menyebabkan terjadinya penurunan unjuk kerja sistem secara keseluruhan. Oleh karena itu, untuk memperbaiki unjuk kerja sistem tersebut yaitu dengan meminimalkan efek yang diakibatkan oleh error yang terjadi selama transmisi, maka pada bagian penerima digunakan teknik diversity selection combining yang bekerja pada daerah wavelet. Besarnya pengaruh dari teknik diversity selection combining yang digunakan dapat diketahui melalui analisa PSNR. Hasil simulasi dari penelitian ini menunjukkan bahwa, adanya peningkatan perbaikan sistem dipenerima bila dibandingkan dengan tanpa menggunakan teknik diversity selection combining.Kata kunci : Diversity Selection Combining, Noise AWGN, Fading Rayleigh, PSNR, BER

Analisa Kinerja Pengkodean Kanal Type Reed Solomon Coding pada Kualitas Transmisi Citra Baharuddin Abbas
JURNAL NASIONAL TEKNIK ELEKTRO Vol 7, No 1: March 2018
Publisher : Jurusan Teknik Elektro Universitas Andalas

In the telecommunication systems, the data like audio, image, and video are transmitted to a receiver through a communication channel. However, the presence of noise and fading in the channel will degrade its performance. The degradation may cause error on signal detection and change the bits or symbols on the receiver. By applying a RS Code channel coding technique on the transmitter and the receiver, it may improve the performance of digital communication system. The influence of employing the RS Code channel coding technique on the system with noise Additive White Gaussian Noise (AWGN) and Rayleigh fading has been analyzed through a simulation. Performance evaluation on the use of RS Code channel coding technique can be determined from the analysis of Bit Error Rate (BER) and Peak Signal to Noise Ratio (PSNR). The simulation result shows that the system is improved by 5dB on the receiver compares to the system without using RS Code channel coding technique. Keywords : Reed Solomon Code , Noise AWGN, Fading Rayleigh, PSNR, BER AbstrakDalam sistem telekomunikasi, data multimedia berupa audio, citra, dan video ditransmisikan ke penerima melalui sebuah kanal komunikasi. Pada sistem telekomunikasi yang menggunakan kanal komunikasi wireless, selain pengaruh redaman, gangguan yang paling dominan adalah noise dan fading. Fading dan noise dikanal akan menurunkan kinerja sistem telekomunikasi digital karena dapat menyebabkan terjadinya kesalahan pendeteksian sinyal, sehingga terjadi perubahan bit atau simbol pada sisi penerima. Dengan menerapkan teknik pengkodean kanal tipe Reed Solomon Code pada sisi pengirim dan penerima, maka dapat ditingkatkan kinerja dari sistem komunikasi digital tersebut. Melalui simulasi dalam penelitian ini, telah dianalisa pengaruh penerapan teknik pengkodean kanal Reed Solomon Code pada sistem yang dipengaruhi noise Additive White Gaussian Noise (AWGN) dan fading Rayleigh. Besarnya pengaruh penggunaan dari teknik pengkodean kanal Reed Solomon Code dapat diketahui melalui analisa Bit Error Rate (BER) dan Peak Signal to Noise Ratio (PSNR). Hasil simulasi dari penelitian ini menunjukkan bahwa adanya peningkatan perbaikan sistem dipenerima rata-rata 5dB bila dibandingkan dengan tanpa menggunakan teknik pengkodean kanal Reed Solomon Code.Kata Kunci : Reed Solomon Code , Noise AWGN, Fading Rayleigh, PSNR, BER

Pencegahan Kesalahan Alarm dalam Sistem Pendeteksi Dini Kebakan dan Pemadaman Berbasis Internet of Things Mumuh Muharam; Melda Latif; Baharuddin Baharuddin; Ibnum Richaflor
JITCE (Journal of Information Technology and Computer Engineering) Vol 4 No 02 (2020): Journal of Information Technology and Computer Engineering
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.4.02.53-62.2020

False alarm in fire detection can cause a huge loss. False alarm is generated by unwanted signal of smoke detector such as outdoor smoke or smoking. Therefore, it is designed a system that can reduce false alarm. The purposed system is built based on three components, those are sensors, actuators and data communication. Sensors are smoke, flame and camera sensor. Smoke sensor is used as the first thing to sense a signal from the system that warns the system there is a fire. Flame sensor and camera are used to confirm that a signal of fire whether false alarm or not. Internet of Things (IoT) is applied to control the system. The result show that the system is applicable.

The Design of Soil Temperature and Humidity Monitoring Systems with IoT-Based LoRa Technology Baharuddin; Akbar Alhaqi Hidayat; Hanalde Andre; Rina Angraini
JURNAL NASIONAL TEKNIK ELEKTRO Vol 11, No 3: November 2022
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v11n3.1074.2022

Soil temperature and humidity are important factors in affecting the condition of agricultural sector, which has an impact on the quality and quantity of the production. Lack of information on the condition of agricultural soil is one of the causes in productivity deficiency in the process of agricultural cultivation. The application of technology in the field of agriculture is expected to be able to reduce various adverse effects of agricultural soil conditions. One of which is by periodic monitoring, such as the temperature and humidity of agricultural soil. This research aims to design LoRa technology to be used as a data transmission medium for monitoring soil temperature and humidity by applying a system that is based on the Blynk application, which will make the users easier to monitor the system remotely. The temperature sensor was able to acquire data with 98.37% accuracy and the soil humidity sensor was able to acquire data with 91.63% accuracy. The changes in LoRa transmission parameters for monitoring data have an effect on the quality of its performance. The experimental results with Bandwidth variation (BW) from 31.25 kHz, 62.50 kHz, 125 kHz, 250 kHz, and 500 kHz at a distance of 15m, the best SNR and RSSI values were obtained for BW 31.25 kHz with values of 5.42 dB and -104.90 dBm. Whereas, the best ToA is obtained with a BW of 500 kHz with a value of 27.50 ms. While, the experimental result with the variation of Coding Rate (CR) from CR 4/5, 4/6, 4/7, and 4/8 at a distance of 15m, the best SNR and RSSI values were obtained CR 4/8 with values of 4.10 dB and -106.40 dBm and he best ToA was obtained CR 4/5 with a value of 112.70 ms. In testing by using variation Spreading Factor (SF) from SF7, SF9, and SF12, the higher the SF value used, the wider the range of area data communication will be. Configuration SF7 and SF9 were only able to reach a distance of 25m, while SF12 was able to reach a distance of 35m.

Co-Authors Agung Bhaskara Akbar Alhaqi Hidayat Amin, Badaruddin Amirul Luthfi, Amirul Andi Dian Angriani, Andi Dian Baharuddin Baharuddin Bobby Arma Sugara Darmawan, Darmawan Eka Putra Waldi Hanalde Andre Haniza Yazid Ibnum Richaflor Ibrahim Mardhiah Mardhiah Masnaeni Mattoliang, Lisnasari Andi Melda Latif Muhammad Nur Hidayat Muhammad Rizki Mumuh Muharam Ondri Yudha Rusli Ondri Yudha Rusli, Ondri Yudha Pratama, Rizki Wahyu Putra, Andi Rafli Permana Rina Angraini Rudy Fernandez Sudarmin Suharti Sunaryo, Budi Usman, Irwan

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