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All Journal International Journal of Electrical and Computer Engineering Perfecting a Video Game with Game Metrics Proceeding of the Electrical Engineering Computer Science and Informatics Indonesian Journal of Electrical Engineering and Computer Science Jurnal Pengabdian Pada Masyarakat
Supriyanto Praptodiyono
Universitas Sultan Ageng Tirtayasa
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Bandwidth enhancement and miniaturization of circular-shaped microstrip antenna based on beleved half-cut structure for MIMO 2x2 application Teguh Firmansyah; Supriyanto Praptodiyono; Herudin Herudin; Didik Aribowo; Syah Alam; Dian Widi Astuti; Muchamad Yunus
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 2: April 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1791.647 KB) | DOI: 10.11591/ijece.v9i2.pp1110-1121

Abstract

In this paper, circular-shaped microstrip antenna was simulated, fabricated, and measured accordingly. As the novelty, to enhance bandwidth and reduce antenna size, beleved half-cut microstrip structure is proposed. Further, this proposed antenna structure will be applied to multiple input multiple output (MIMO) antenna 2´2. Therefore, this research was investigated conventional circular shape antenna (CCSA), circular shaped beleved antenna (CSBA), and MIMO circular shaped beleved antenna (MIMO-CBSA) as Model 1, Model 2, and Model 3, respectively. An FR4 substrate with er= 4.4, thickness h=1.6 mm, and tan d=0.0265 was used. The simulation has been conducted using Advanced Design System (ADS). The antenna CCSA/CSBA/ MIMO-CBSA achieve 1.831GHz/2.265 GHz/2.256 GHz, -15.13dB/-17.37dB/-17.25 dB, 1.42/1.31/1.33, and 1.474/2.332/2.322 for center frequency, reflection coefficient, VSWR, and bandwidth, respectively. This antenna has a size 63x90 mm and 51.5x90 mm for CCSA (Model 1) and CSBA (Model 2), respectively. After the structure of MIMO 2´2 was applied, the size of antenna MIMO-CBSA (Model 3) became 180 mm x 180 mm with a mutual coupling (S21)=-26.18 dB and mutual coupling (S31)=-26.41 dB. The result showed that proposed antenna CSBA (Model 2) has wider-bandwidth of 58,2% and smaller-size of 18.2%. Furthermore, after CSBA (Model 2) structure was applied to MIMO 2´2 (Model 3) and the MIMO antenna obtain good mutual coupling (<-15dB). Moreover, the measured results are good agreement with the simulated results. In conclusion, all of these advantages make it particularly valuable in multistandard antenna applications design such as GSM950, WCDMA1800, LTE2300, and WLAN2400.
Performance comparison of transmitting jumbo frame on Windows and Linux System Supriyanto Praptodiyono; Rian Sofhan; Anggoro S. Pramudyo; Teguh Firmansyah; Azlan Osman
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 1: February 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i1.11627

Abstract

IPv6 is the successor of IPv4, the current Internet Protocol that runs out its address. It offers some improvements including simpler header format and extension header resulting in faster transmission of IP packets. However, IPv6 is a network layer protocol that requires lower layer services. IP packets from the network layer pass to data link layer to be encapsulated by layer 2 headers and trailer to become frames. Ethernet is the most widely used data link layer protocol in the current network devices. The technology is always improved to support high speed transmission. However, from standard Ethernet until ten gigabit Ethernet, the size of MTU remains unchanged at 1500 Bytes. This prevents the network from gaining an optimum performance on transmitting IP packets and operating systems cannot take full advantage of the high-speed performance of Gigabit Ethernet. This research aims to implement the transmission of IPv6 packets using jumbo frame on a test-bed environment. The implementation can be used to justify the impact of jumbo frame on the network as well as operating systems performance. The results prove that the OS used on implementation of jumbo frame affects on the network performance. The highest percentage of increasing throughput is 33.6% when both sender and receiver are running Windows. The decreasing delay by 54.36% was happened when using Linux in sender and Windows in receiver.
Enhancing IPsec Performance in Mobile IPv6 Using Elliptic Curve Cryptography Supriyanto Praptodiyono; M. Iman Santoso; Teguh Firmansyah; Ali Abdurrazaq; Iznan H. Hasbullah; Azlan Osman
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 6: EECSI 2019
Publisher : IAES Indonesia Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eecsi.v6.2004

Abstract

Internet has become indispensable to the modern society nowadays. Due to the dynamic nature of human activities, the evolving mobile technology has played a significant role and it is reflected in the exponential growth of the number of mobile users globally. However, the characteristic of the Internet as an open network made it vulnerable to various malicious activities. To secure communication at network layer, IETF recommended IPsec as a security feature. Mobile IPv6 as the successor of the current mobile technology, Mobile IPv4, also mandated the use of IPsec. However, since IPsec is a set of security algorithm, it has several well-known weaknesses such as bootstrapping issue when generating a security association as well as complex key exchange mechanism. It is a well-known fact that IPsec has a high overhead especially when implemented on Mobile IPv6 and used on limited energy devices such as mobile devices. This paper aims to enhance the IPsec performance by substituting the existing key exchange algorithm with a lightweight elliptic curve algorithm. The experiments managed to reduce the delay of IPsec in Mobile IPv6 by 67% less than the standard implementation.
Improvement of Address Resolution Security in IPv6 Local Network using Trust-ND Supriyanto Praptodiyono; Iznan H. Hasbullah; Mohamed Anbar; Raja Kumar Murugesan; Azlan Osman
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 1: January 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The current Internet infrastructure IPv4 uses Address Resolution Protocol to resolve the neighbors MAC address if not known. IPv6 is the next generation communication protocol used today to overcome the exhaustion of IPv4 addresses. IPv6 uses Neighbor Discovery Protocol (NDP) to do the address resolution and not ARP. NDP lacks security and hence the address resolution mechanism is vulnerable to various attacks that include man-in-the-middle and Denial of Service. Secure Neighbor Discovery (SeND) mechanism that was introduced to solve this problem is highly complex and the message size is large. This paper introduces Trust-ND mechanism to secure the address resolution in IPv6 local network. Experiments were done and analysis on the experimental result shows the Trust-ND could decrease the complexity of SeND. The processing time of NDP message could be reduced from 1076 times for SeND mechanism to only 1.9 times for Trust-ND. DOI: http://dx.doi.org/10.11591/telkomnika.v13i1.6929
Implementasi Sistem Monitoring Kendali pada Tanaman Hidroponik Pakcoy Berbasis Internet of Things Supriyanto Praptodiyono; Sidiq Tri Kusuma; Bagus Galang Pratama; Khoirul Umam
Jurnal Pengabdian Pada Masyarakat Vol 9 No 1 (2024): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v9i1.631

Abstract

. Kota Cilegon merupakan salah satu kota di Provinsi Banten dengan banyak pengusaha yang terus bekerja dalam membantu ketahanan pangan masyarakat. Gerem Hidroponik merupakan salah satu usaha tani yang berlokasi di daerah perbukitan dan memiliki potensi untuk berkembang dalam budidaya hidroponik pakcoy. Penanaman pakcoy berbasis hidroponik ada beberapa keunggulan dalam produksinya namun, terdapat beberapa permasalahan yang dialami petani hidroponik seperti keterbatasan waktu dan tenaga selama budidaya pakcoy. Permasalahan tersebut disebabkan petani memiliki profesi utama sebagai karyawan perusahaan. Berdasarkan uraian tersebut maka, tujuan dari pengabdian masyarakat ini yakni meningkatkan kemampuan dan pengetahuan dalam efisiensi penggunaan waktu dan tenaga selama budidaya pakcoy dengan menjalankan sistem monitoring dan kendali otomatis melalui aplikasi smartphone. Metode dalam program ini yakni penyuluhan, keterampilan, dan evaluasi. Hasil dari kegiatan ini menunjukkan bahwa petani akhirnya mampu memahami dan melakukan pengoperasian pada sistem monitoring dan kendali otomatis serta dapat mempermudah petani dalam menghemat waktu dan tenaga selama proses budidaya pakcoy. Cilegon City is one of the cities in Banten Province with many entrepreneurs who continue to work in helping the community's food security. Gerem Hydroponics is a farming business located in a hilly area and has the potential to be developed in pakcoy hydroponic cultivation. Hydroponic-based pakcoy planting has several advantages in its production, but there are several problems experienced by hydroponic farmers such as limited time and energy during pakcoy cultivation. This problem is caused by farmers having the main profession as company employees. Based on this description, the purpose of this community service is to increase skills and knowledge in the efficient use of time and energy during pakcoy cultivation by running an automatic monitoring and control system through a smartphone application. The methods in this program are counseling, skills, and evaluation. The results of this activity show that farmers are ultimately able to understand and operate an automatic monitoring and control system and can make it easier for farmers to save time and effort during the pakcoy cultivation process.
Co-Authors Ali Abdurrazaq Anggoro S. Pramudyo Azlan Osman Bagus Galang Pratama Dian Widi Astuti Didik Aribowo Herudin Herudin Iznan H. Hasbullah Khoirul Umam M. Iman Santoso Mohamed Anbar Muchamad Yunus Raja Kumar Murugesan Rian Sofhan Sidiq Tri Kusuma Syah Alam Teguh Firmansyah