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All Journal JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING INTECOMS: Journal of Information Technology and Computer Science
Mulyono Mulyono
Universitas Islam Negeri Sultan Syarif Kasim Riau
Computer Science & IT Engineering

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Model Propagasi Komunikasi Bergerak LTE 1800 Mhz Di Kota Pekanbaru Sutoyo Sutoyo; Indika Herni; Muhammad Luthfi Hamzah; Mulyono Mulyono
INTECOMS: Journal of Information Technology and Computer Science Vol 3 No 1 (2020): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (756.124 KB) | DOI: 10.31539/intecoms.v3i1.1292

Abstract

Propagation model is an important part that can be used to design a communication network one of them is mobile communication. The difference in the propagation signal received from the transmitter to the mobile station will result in loss propagation so we need a propagation model that can describe the propagation characteristics of a region such as urban areas in this case is Pekanbaru City. To get the propagation model in accordance with the characteristics of Pekanbaru City the method used is measurement through a drive test. This research aimsto determine the mobile communication propagation model in LTE 1800 MHz that fits the characteristics of Pekanbaru City. Based on the results of the measurement of the value of loss to distance obtained by the propagation model of mobile communication in the city of Pekanbaru with 3 models of the equation, among others linear equation model: L = 5.1 x D + 85, quadratic equation: L = 2.2 x + 3 x + 86 and cubic equation: L = 0.65 x + 0.84 x + 3.6 x D + 86.
Analisis Perbandingan Kualitas Sinyal 4G LTE Pada Beberapa Provider Yogi Ismemet; Sutoyo Sutoyo; Teddy Purnamirza; Mulyono Mulyono
INTECOMS: Journal of Information Technology and Computer Science Vol 5 No 1 (2022): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/intecoms.v5i1.3632

Abstract

Komunikasi seluler 4G LTE berkembang sangat pesat, untuk itu diperlukan kualitas jaringan yang baik dalam mendukung komunikasi. Salah satu metode menentukan kualitas sinyal 4G LTE adalah dengan melakukan drive test. Pada penelitian ini Drive test digunakan untuk menganalisis kualitas sinyal 4G LTE dari beberapa provider di lokasi pengukuran kampus UIN Suska Riau dengan Parameter yang diukur ialah RSRP, RSRQ, SNR dan RSSI. Hasil penelitian menunjukkan bahwa provider yang terbaik adalah provider E dengan RSRP 88,3 dBm, RSRQ -12,3 dB, SNR 12,3 dB dan RSSI -54,6 dBm. Yang kedua provider A dengan RSRP -84 dBm, RSRQ -13 dB, SNR 11,3 dB dan RSSI -54,3 dBm. Yang ketiga provider C dengan RSRP -88,3 dBm, RSRQ-11,3 dB, SNR 6,6 dB, dan RSSI -59,6 dBm. Yang keempat provider D dengan RSRP 101,6 dBm, RSRQ -12 dB, SNR 4,3 dB, dan RSSI -68,3 dBm. Dan yang kelima provider B dengan RSRP -100,6 dBm, RSRQ -14,3 dB, SNR 1,6 dB, dan RSSI 65dBm. Kata kunci: 4G LTE, RSRP, RSRQ, SNR, dan RSSI.
IS-OWC Point-to-Multipoint System Utilizing UDWDM Technology and NGPON Architecture Mulyono Mulyono; Rika Susanti
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 10 No. 1 (2026): Issues July 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v10i1.15384

Abstract

Inter-Satellite Optical Wireless Communication (IS-OWC) has emerged as a promising solution for long-distance satellite communications due to its high bandwidth capacity, low attenuation, and immunity to electromagnetic interference. However, most previous studies have focused on point-to-point communication systems with limited scalability and transmission capacity. This study aims to develop a point-to-multipoint IS-OWC system based on Ultra Dense Wavelength Division Multiplexing (UDWDM) and the Next-Generation Passive Optical Network (NGPON) architecture to improve transmission efficiency and the performance of multi-satellite communication networks. UDWDM is employed to enhance spectral efficiency through ultra-dense channel spacing, while the NGPON architecture enables efficient signal distribution to multiple satellite nodes. The proposed system is evaluated through simulations by varying the split ratio (1:2–1:64), transmission distance (200–40,000 km), input power (0–40 dBm), and bit rate (10 and 20 Gbps). System performance is assessed using the Bit Error Rate (BER) criterion based on the ITU-T G.698.1 recommendation, where acceptable performance is defined as BER ≤ 10⁻¹². The simulation results demonstrate reliable performance across all evaluated split ratios. At a 1:2 split ratio with an input power of 20 dBm, the proposed system achieves transmission distances of up to 16,000 km at 10 Gbps and 14,000 km at 20 Gbps while maintaining the required BER threshold. Increasing the split ratio reduces the maximum transmission distance, whereas higher input power extends the transmission range. These findings indicate that the proposed architecture is a scalable and effective solution for future high-capacity inter-satellite communication networks.
Antenna Azimuth and Radius Optimization in Heterogeneous Cellular Networks Based on Genetic Algorithms Mulyono Mulyono; Oktaf Brillian Kharisma; Hasdi Radiles
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 10 No. 1 (2026): Issues July 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v10i1.18416

Abstract

As cellular networks evolve into microcells or smaller ones, the number of sites required to serve an area will also increase, making network optimization impossible to perform manually. This study provides an overview of the implementation of Genetic Algorithms in solving radius and azimuth configuration problems for cell coverage. The main contribution of this study is the use of Fixed Step and Variable Step azimuth selection methods in the Genetic Algorithm coding process. This study also raises the issue of interference detection mechanisms in two adjacent cells. The problem presentation method uses a model with a measurable level of complexity by deriving from a homogeneously distributed layout model. This study uses Matlab in building an algorithm simulator and MapInfo in displaying the results visually. The results show that the proposed Variable Step method provides better optimization performance than the Fixed Step method, which was only able to resolve 62.5% of interference spots. To account for the stochastic nature of the Genetic Algorithm, the simulation was executed 10 independent times using identical parameter settings. Statistical evaluation indicates that the algorithm achieved an average fitness value of 59.40 with a standard deviation of 3.84, while requiring an average computational time of 635.41 seconds with a standard deviation of 9.23 seconds. Furthermore, the algorithm reached convergence at an average generation of 957.10 with a standard deviation of 34.98 generations. These results demonstrate that the proposed algorithm exhibits good stability across multiple runs, although it was unable to reach the global optimum in all simulations.
Co-Authors Hasdi Radiles Indika Herni Kharisma, Oktaf Brillian Muhammad Luthfi Hamzah Rika Susanti Sutoyo Sutoyo Teddy Purnamirza Yogi Ismemet