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All Journal CESS (Journal of Computer Engineering, System and Science) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Pengabdian Nasional (JPN) Indonesia
Ida Anisah
Politeknik Elektronika Negeri Surabaya
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Implementasi Fog Computing Pada Aplikasi Smart Home Berbasis Internet of Things Ahmad Zainudin; Ida Anisah; Melki Mario Gulo
CESS (Journal of Computer Engineering, System and Science) Vol 6, No 1 (2021): Januari 2021
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (419.311 KB) | DOI: 10.24114/cess.v6i1.20658

Abstract

Teknologi Internet of Things (IoT) saat ini terus berkembang dan manfaatnya sudah mulai bayak dirasakan oleh sebagian besar masyarkat. Beberapa aplikasi IoT seperti smart home, smart factory, smart agriculture. Pada implementasi sistem IoT diperlukan perangkat yang berfungsi untuk mengumpulkan dan memproses beberapa jenis data. Sehingga diperlukan sebuah resouce yang handal yang sering disebut dengan cloud computing. Cloud computing merupakan pusat data yang terpusat. Karena jarak yang jauh maka menjadi kelemahan untuk beberapa aplikasi yang sensitif terhadap waktu. Pada penelitian ini akan dikembangkan sebuah sistem fog computing pada internet of things services pada untuk aplikasi smart home. Berdasarkan hasil pengujian didapatkan waktu proses komputasi pada aplikasi monitoring suhu dan kelebaban sebesar 0,152 detik, pada aplikasi pengaturan dimmer lampu sebesar 0,339 detik dan apada aplikasi face recognition sebesar 6,602 detik.
Kinerja Konvolusi pada Sistem Amplify and Forward dengan Predistorsi dan Seleksi Relai Annisa Anggun Puspitasari; Mareta Dwi Nor Habibah; Ziyadatus Shofiyah; Ida Anisah; Yoedy Moegiharto
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 11 No 1: Februari 2022
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1675.243 KB) | DOI: 10.22146/jnteti.v11i1.2386

Abstract

This paper evaluated the performance of the convolutional coding technique in a cooperative communication system using the amplify-and-forward (AF) protocol and applying a relay selection strategy by simulation. At the transmitter (source) side, a joint of peak average power ratio (PAPR) reduction techniques with selective mapping (SLM) schemes and the Hammerstein predistortion model was applied. The predistortion technique with the Rapp inverse model was applied at the relay. On the channel side, the relays were used as a virtual antenna, where relay usage in cooperative communication systems can be implemented for 4G or 5G networks in future research, even though it requires large bandwidth. Implementing the relay selection strategy can increase bandwidth efficiency because only the best relay will forward information from source to destination. The conventional relay selection strategy was used to evaluate the performance of the convolution coding in a multi-relay scheme by choosing the best relay considering the signal-to-noise ratio (SNR) value on the source to relay and relay to the destination channel. Only the best relay will forward the signal from source to destination using the AF protocol. System performance is expressed in bit error rate (BER) probability. The simulation results showed that the convolutional coding technique could improve system performance up to 16.59% with or without predistortion techniques. Then, the predistortion technique applied on the source and relay side generated the best performance, where the system performance could increase up to 34%. In addition, the implementation of the conventional relay selection strategy showed that the scheme with the most relays, which was six relays, could produce the best performance due to the increasing number of available paths.
Implementasi Sistem Komunikasi Nirkabel OFDM Berbasis Software Defined Radio (SDR) Ida Anisah; Hendy Briantoro; Ahmad Zainudin; Desy Intan Permatasari
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (923.553 KB)

Abstract

Nowadays, wireless communication technology is developing rapidly. However, this technology still has some weaknesses, e.g. large bandwidth requirement and multipath fading. To overcome these weaknesses, MIMO OFDM technique is needed. This paper implements MIMO OFDM 2x2 communication system in Universal Software Radio Peripheral (USRP). The performance of MIMO OFDM 2x2 is shown by the throughput value. This value is compared to the throughput value of single carrier and SISO OFDM. The modulations used are BPSK, 4-QAM, and 16-QAM. In 4-QAM modulation, the throughput value of MIMO OFDM is significantly larger than throughput value of single carrier and SISO OFDM. The throughput value of single carrier communication system is 27.71 Mbit/s, while the throughput value of the SISO OFDM communication system is 60.27 Mbit/s, and the throughput value of the MIMO OFDM 2x2 communication system is 123.03 Mbit/s.
Smart Agriculture untuk Mewujudkan Ketahanan Pangan Berbasis Lora di Desa Kalipadang-Benjeng Gresik Norma Ningsih; Ida Anisah; I Gede Puja Astawa; Mochammad Zen Samsono Hadi; Prima Kristalina; Mike Yuliana; Aries Pratiarso; Haryadi Amran; Rahardita Widyatra; Amang Sudarsono; Mohamad Ridwan; Rini Satiti; Afifah Dwi Ramadhani
Jurnal Pengabdian Nasional (JPN) Indonesia Vol. 5 No. 1 (2024): Januari
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK Indonesia Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jpni.v5i1.648

Abstract

Increasing agricultural production is a top priority in agricultural development. There are many agricultural problems to be managed. One way to increase rice production is to pay attention to irrigation conditions. In addition to irrigation, rising temperatures also affect the process of flowering and grain filling. At high temperatures, grain because of rice agricultural production will calcify, resulting in a decrease in grain quantity and grain mass. Temperature spikes can also reduce the viability and size of the seeds when they reach the ripe stage. Apart from water and air, farmers also need to pay attention to soil pH and humidity. Many farmers do not yet have accurate indicators to determine soil quality, most farmers only use estimates, the application of the estimation method causes the quality of the soil in paddy fields to be infertile. To overcome this problem, a tool is made to predict the condition of agricultural land by taking data on temperature, humidity, air pressure, soil pH, soil moisture, and water flow rate. The data is then sent to a database to be displayed on a web server, so that farmers can monitor land conditions. It is expected that the parameter results obtained can be used as a preventive measure for farmers when conditions occur that can reduce rice productivity. That way, the condition of the land can be maintained so that crop failure can be minimized. This tool will be implemented in one of the rice fields of the residents of Kalipadang-Benjeng-Gresik Village. Based on data taken using an NPK sensor, wet soil has an average NPK content of 29.3 (Nitrogen); 41 (Phosphorus); 82 (Potassium). Moist soil has an NPK level of 28 (Nitrogen); 40 (Phosphorus); 82 (Potassium), and dry soil has an NPK level of 27.5 (Nitrogen); 39.7 (Phosphorus); 79.1 (Potassium). It can be said that soil moisture is directly proportional to NPK levels.
Co-Authors Afifah Dwi Ramadhani Ahmad Zainudin Amang Sudarsono, Amang Annisa Anggun Puspitasari Aries Pratiarso Desy Intan Permatasari Haryadi Amran Hendy Briantoro I Gede Puja Astawa Mareta Dwi Nor Habibah Melki Mario Gulo Mike Yuliana Mochammad Zen Samsono Hadi Mohamad Ridwan Ningsih, Norma Prima Kristalina Rahardita Widyatra Rini Satiti Yoedy Moegiharto Ziyadatus Shofiyah