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All Journal EMITTER International Journal of Engineering Technology Jurnal Saintekom : Sains, Teknologi, Komputer dan Manajemen
Zakha Maisat Eka Darmawan
Politeknik Elektronika Negeri Surabaya
Computer Science & IT Decision Sciences, Operations Research & Management

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Modified GTS Allocation Scheme for IEEE 802.15.4 Zakha Maisat Eka Darmawan; M. Udin Harun Al Rasyid; Amang Sudarsono
EMITTER International Journal of Engineering Technology Vol 3 No 1 (2015)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (230.914 KB) | DOI: 10.24003/emitter.v3i1.92

Abstract

IEEE 802.15.4 standard is widely used in wireless personal area networks (WPANs). The devices transmit data during two periods: contention access period (CAP) by accessing the channel using CSMA/CA and contention free period (CFP), which consists of guaranteed time slots (GTS) allocated to individual devices by the personal area network (PAN). However, the use of GTS slot size may lead to severe bandwidth wastage if  the traffic pattern is not fit or only a small portion of GTS slot is used by allocated device. The proposed scheme devides the GTS slot and then optimizes the GTS slot size by exploiting the value of superframe order (SO) information. The proposed scheme was tested through simulations and the results show that the new GTS allocation scheme perform better than the original IEEE 802.15.4 standard in terms of average transmitted packets, throughput, latency and probability of successful packets.
Analisis Pengalaman Pengguna Game Visual Novel Asal Usul Kota Surabaya Menggunakan Metode Usability Testing Ashafidz Fauzan Dianta; Artiarini Kusuma Nurindiyani; Zakha Maisat Eka Darmawan
Jurnal Saintekom : Sains, Teknologi, Komputer dan Manajemen Vol 13 No 1 (2023): Maret 2023
Publisher : STMIK Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33020/saintekom.v13i1.386

Abstract

A visual novel game is a visual communication design product that integrates graphic design through visual styles, visual character designs, and narrative designs accompanied by interactive communicative story construction. Games with the best storytelling and the ability to communicate historical chronology and cultural facts are synonymous with visual novel games. In the previous study, the Visual Novel Folklore Game of the Origins of the City of Surabaya featured puzzle and dialogue mechanics to build a more interactive narrative with the user. In addition, there is a branching narrative where users can make decisions by choosing which point of view the user wants to play. Several stages in this study include data collection, usability testing, data analysis, and conclusion. The results of this user experience analysis research overview several usability aspects that should be concerned in the subsequent game development. The usability aspects tested are Learnability, Memorability, Efficiency, Error, and Satisfaction. Of the 114 respondents involved in this study, the highest average score was obtained for the satisfaction aspect, which was 4.17, while the lowest average score was for the error aspect, which was 3.83, the games is easy to play and get satisfying results in every aspect of usability, the games is easy to play and achieves satisfactory results in each usability parameter.
Co-Authors Amang Sudarsono, Amang Artiarini Kusuma Nurindiyani Ashafidz Fauzan Dianta M Udin Harun Al Rasyid, M Udin Harun