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All Journal Jurnal Ilmu Komputer dan Informasi Jurnal Ilmu Komputer Buletin Udayana Mengabdi Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro Jupiter TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal Teknik Elektro PROSIDING CSGTEIS 2013 Proceedings Konferensi Nasional Sistem dan Informatika (KNS&I) JOIV : International Journal on Informatics Visualization JUTIK : Jurnal Teknologi Informasi dan Komputer Matrix : Jurnal Manajemen Teknologi dan Informatika Cetta: Jurnal Ilmu Pendidikan Journal of Computer Science and Informatics Engineering (J-Cosine) Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Indonesian Journal of Electrical Engineering and Computer Science Journal of Energy and Electrical Engineering (JEEE) Jurnal Ilmiah Vastuwidya SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) MATRIX : JURNAL MANAJEMEN TEKNOLOGI DAN INFORMATIKA Majalah Ilmiah Teknologi Elektro Ulil Albab

Ni Made Ary Esta Dewi Wirastuti

Jurusan Teknik Elektro, Fakultas Teknik, Universitas Udayana

Author-ID : 3462448

Religion Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Metode RF Filter untuk Perbaikan Kinerja Received Total Wideband Power pada Sistem UMTS adi surya antara; N. Gunantara; NMAED Wirastuti
Jurnal Teknologi Elektro Vol 15 No 1 (2016): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Cellular communication system with multiple network operators operate on a co-located area (heterogeneus network) causing effect of radio frequency interference. RTWP (received total wideband power) value emerges as indicator radio frequency interference on UMTS system, which is primary contribution of degraded QoS cellular communication system. RF filter butterworth circuit two half section resulted as optimal design to reach the goal compare to the other circuit section. By implemented RF filter has showed improvement indicator perform RTWP on UMTS network operator. DOI: 10.24843/MITE.1501.11

The Analysis of the Effect and Reduction of Carrier Frequency Offset in Orthogonal Frequency Division Multiplexing (OFDM) Multiple Input Multiple Output (MIMO) Willy Sucipto; I Nyoman Pramaita; NMAE Dewi Wirastuti
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i02.P14

Abstract— The development of cellular telecommunication provides users to experience fast and stable transmission. This standard of transmission is proportional to the needs of the devices and systems used. We are currently in the fourth generation (4G) of cellular technology. The key technologies used in 4G are Orthogonal Frequency Division Multiplexing (OFDM) which uses the concept of orthogonality for bandwidth efficiency and Multiple Input Multiple Output (MIMO) which uses the concept of diversity to improve performance. But in implementation this system will have problems with the transmission channel. The problem that occurs is signal attenuation due to Carrier Frequency Offset (CFO). This CFO will cause the orthogonal character built from the OFDM system to experience a decline in performance. The decline in performance is due to the occurrence of Intercarrier Interference (ICI). To overcome this problem, the method used in this simulation are Improved Sinc Power Pulse (ISP) and Rectangular Pulse (REC). The results showed that ISP had a relatively better BER value than REC and without using the pulse shaping method. The minimum BER value obtained from the simulation is ISP with a value of 0.0001 while REC produces a value of 0.0006 and without pulse shaping produces a BER value of 0.0038.

AN OVERVIEW OF UMTS AND WIMAX NETWORKS INTEGRATION Dewi Wirastuti
Jurnal Teknologi Elektro Vol 9, No 2 (2010): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (481.122 KB)

This paper gives an overview of the network integration of UMTS (Universal Mobile TelecommunicationSystem) with WiMAX (Wordwide Interoperability of Microwave Access). A few proposed interworking solutionsand seamless integration of both networks are explained. The best architecture and key procedures that will enablethe integration both networks and handover mechanism for the seamless mobility are presented. Considering thetrend of the current network evolution, which is the convergence between the telecommunications and broadcastworlds, an integration of mobile WiMAX with present 2G, 2.5G or 3G accesses into a homogeneous architecturegoes a long way to achieve the reality of mobile broadband networks. With the advent of mobile WiMAX, a mobilebroadband wireless access solution and based on all-IP (Internet Protocol) based OFDMA (Orthogonal FrequencyDivision Multiple Access) technology, an UMTS-WiMAX

Metode Contrast Stretching untuk Perbaikan Kualitas Citra pada Proses Segmentasi Video I Made Dwi Putra Asana; I Made Oka Widyantara; N.M.A.E.D Wirastuti; Ida Bagus Putu Adnyana
Jurnal Teknologi Elektro Vol 16 No 2 (2017): (May - Agustus) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Paper ini mengusulkan contrast stretching sebagai perbaikan kualitas citra untuk meningkatkan hasil segmentasi pada proses segmentasi video. Data video yang digunakan merupakan video pemantauan aktifitas pergerakan garis pantai. Frame dari video yang digunakan memiliki komposisi cahaya matahari berbeda-beda sesuai dengan waktu akuisisi data. Dibutuhkan suatu teknik untuk mengatasi pengaruh cahaya matahari pada frame video. Contrast stretching diimplementasikan untuk memperbaiki nilai kontras pada frame sehingga obyek pada frame terlihat jelas. Dengan obyek yang terlihat jelas pada frame dapat meningkatkan hasil dari proses segmentasi. Pengujian implementasi contrast stretching sebagai preprocessing pada proses segmentasi dilakukan dengan metode silhouette coefficient. Implementasi contrast stretching sebagai preprocessing dalam segmentasi citra dapat menghasilkan segmentasi lebih baik dibandingkan tanpa preprocessing. Hal tersebut dinyatakan berdasarkan nilai silhouette width dari masing-masing hasil segmentasi citra.

PERBANDINGAN PERFORMANSI SISTEM MC-SS MIMO DENGAN OFDM MIMO Ni Putu Eka Apsari Yuniari; Ni Made Ary Esta Dewi Wirastuti; I G.A.K. Diafari Djuni Hartawan
Jurnal Teknologi Elektro Vol 15 No 2 (2016): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1483.08 KB)

The combination of the system has been doing to improve the reliability of wireless communication. One parameter that indicates the reliability of wireless communication is to reduce the value of BER. The 4G technology uses OFDM transmission technique combined with MIMO antenna technique. Other than that, the combination between transmission technique can also be done, by incorporating the concept of multicarrier (OFDM) and spread spectrum as known as multicarrier spread spectrum (MC-SS). The combination of OFDM, spread spectrum, and MIMO are supported by the advantages of each of these techniques is expected to give a good performance in supporting the reliability of wireless communication. This research aimed to compare the value of BER vs. Eb/No between MC-SS MIMO system and OFDM MIMO system. The test of these systems are conducted by simulation using MatLab 2012 which aims to provide an overview of other related technologies are capable of providing wireless communication reliability. The results of the simulation shows that the value of BER on MC-SS MIMO system is lower than MIMO OFDM system for all Eb/No. This condition also applies to AWGN and Rayleigh Fading channel.

Performansi Jaringan TCP/IP Menggunakan Metode VRRP, HSRP, dan GLBP I Gede Made Surya Bumi Pracasitaram; Nyoman Putra Sastra; NMAE Dewi Wirastuti
Jurnal Teknologi Elektro Vol 18 No 1 (2019): (Januari - April) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Nowadays the use of TCP / IP networks at this time is very crucial, where almost all companies, government and private agencies depend on this network to facilitate business and communication to grow up the companies. Network failure caused by link failure or devices failure is very intolerable because it will disrupt business and communication activities that last 24 days, 7 days a week. To overcome the problem of network failure this study is using three methods which will be discussed, namely: VRRP, HSRP and GLBP. It is expected that the use of these three methods can provide a solution to overcome network failures for the smooth running of business and telecommunications activities. The results of the tests that have been done, GLBP method looks better when compared to the VRRP and HSRP methods, especially in testing packet loss and throughput. Keywords—GLBP, HSRP, Load Balancing,TCP/IP, VRRP

Quality of Service dengan Metode Differentiated Service untuk Layanan Video Streaming Jaringan UMTS Putra Adi Wibowo; Linawati Linawati; NMAED Wirastuti
Jurnal Teknologi Elektro Vol 13 No 1 (2014): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.717 KB)

Video streaming merupakan salah satu layanan aplikasi multimedia real time yang tersedia pada jaringan Universal Mobile Telecomunication System (UMTS). Banyaknya layanan telekomunikasi yang dapat dilayani UMTS tidak sebanding dengan bandwidth yang disediakan. Salah satu metode yang digunakan untuk meningkatkan kualitas layanan video streaming pada jaringan UMTS adalah dengan menerapkan metode antrian Differented Service (DiffServ). DiffServ menyediakan pembedaan layanan, dengan membagi trafik atas kelas-kelas, dan memperlakukan setiap kelas secara berbeda. Untuk mengetahui pengaruh penerapan metode antrian DiffServ pada layanan video streaming jaringan UMTS terhadap variasi trafik 25%, 50% dan 75% dengan simulasi jaringan OPNET Simulator 14.5. Metode antrian DiffServ yang digunakan adalah Priority Queuing (PQ), Weighted Fair Queuing (WFQ) dan Modified Weighted Round Robin (MWRR). Parameter kualitas layanan yang digunakan adalah jitter, end-to-end delay dan packet loss. Dari hasil analisis diperoleh bahwa penerapan metode DiffServ pada variasi trafik adalah dapat meningkatkan kualitas layanan video streaming pada jaringan UMTS. Untuk penerapan metode antrian PQ, WFQ dan MWRR menghasilkan perbedaan nilai yang tidak jauh berbeda. Variasi trafik 50% memiliki kualitas layanan yang lebih baik dari pada variasi lainnya.

Analisa Penggunaan WebRTC dan Websocket pada Real Time Multiplayer Online Game Tradisional Ceki Gede Humaswara Prathama; Ni Made Ary Esta Dewi Wirastuti; Yoga Divayana
Jurnal Teknologi Elektro Vol 18 No 1 (2019): (Januari - April) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Ceki is one of the traditional card games that has been quite popular in Malaysia, Singapore and Indonesia. In Bali the game of ceki has become a tradition, where the game is played when there is community activity. Multiplayer online games are one way to introduce and develop traditional games to be more interesting to play. The problems that are often faced to develop multiplayer online games include the latency problems that are different from each player so that it can interfere with games from other players who have better latency. In this study, a real time multiplayer online game will be built to play traditional games. discussing how the rules of traditional games obtained from the rules of the Balinese game will be applied to the game engine from online multiplayer games, how to implement online game multiplayer architecture on client-server and peer to peer web-browsers. The focus of this research is on the performance of the use of websocket and webRTC on latency and bandwidth usage for data synchronization that supports real time multiplayer online games based on peer to peer. The results obtained from this study see the average latency needed to synchronize data between websocket compared to webRTC is very significant. The number of players has no effect on latency in both websocket and webRTC.

Optimasi Peran Desa Adat di Bali melalui Teknologi Informasi Kadek Darmaastawan; Komang Oka Saputra; Ni Made Ary Esta Dewi Wirastuti
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i01.P19

Bali is a province in Indonesia known by many countries because of its unique natural and cultural attractions. Balinese traditional village as well known as Desa Adat manage those tourist attractions. Also, Desa Adat has a role in preserving Balinese culture because Desa Adat routinely holds cultural activities such as performing arts and religious ceremonies. The rapid development of technology has brought the internet and smartphones to Desa Adat. These developments have had various positive impacts, for example, the ease of accessing information through the internet and information technology. Desa Adat can utilize information technology to facilitate various activities. However, there are still Desa Adat in Bali that has not utilized information technology therefore, the potential of these villages is not maximized. In the future, there are still many new technologies that will become trends. Therefore, it is not too late for Desa Adat in Bali to utilize information technology. This journal examines previous research on the use of information technology in villages. The purpose of this study is to obtain several aspects of Desa Adat in Bali that can be accommodated by information technology, therefore, the role of Desa Adat in Bali can be optimized.

Analisa Kinerja Penerapan Standard Protokol Keamanan IEEE 802.11 Pada Layanan Wireless Fidelity M Zatiar Erwan Kalam; Ni Made Ary Esta Dewi Wirastuti; I Made Oka Widyantara
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i01.P10

Communication network depends on the WLAN , and there is so much demand on the Quality Of Service (QoS) WLAN like Throughput , delay , and filter to secure the Communication Data , therefore a network security mechanism is using the Wired Equivalent Privacy (WEP), WiFi Protected Access (WPA), and WPA2 [14]. Mall Bali Galleria has several alternative for free WiFi, There is so many Wi-Fi has been installed causing the problem interference, and that affect the performance of the WiFi, MBG has the Indoor and Outdoor Area, The alternative to handle the interference is to using the automation channel by implementing Channel Fly , Background Scanning and Static Channel. From the security mechanism, Channel And Frequencies made by doing scenario on every single access point to get the best scenario , from the scenario that has been submitted The best score of the packet loss on indoor area Scenario that uses 4 AP with the 5Ghz Frequency , static channel , WEP-64 is 0,016ms of the packet loss , the Outdoor areas scenario that uses 5 AP with 5Ghz frequency ,Channel Fly , WEP-64 get 0,094ms of the packet loss , The best jitter score for the indoor area that uses 2 AP , 5Ghz Background Scanning , WPA 2 is 1.336ms of the jitter, outdoor area 8 AP , 5Ghz Frequency , static channel , WPA2-Mixed get 1,116 ms of Jitter , The Throughput best scores is indoor area with 1 AP , 5Ghz Frequency, Static Channel , WPA2-Mixed get 78,7Mbps of the Throughput, for the Outdoor Areas using 8 AP , 5Ghz Frequency , Background Scanning, Disable Security is 80Mbps Of The Throughput , if it compared with the existing scenario the performance is improved to 10-30%. WEP has good packet loss score however it has smallest Throughput. Static channels are recommended on the location that have high interference.

Co-Authors A. A. SG. Mas Karunia Maharani A. T. A Prawira Kusuma adi surya antara Aditya Dwipayana Agus Sukerta Anak Agung Kurnia Aditama Anisa Widayanti Arya Mertasana , Putu Arzalia Khairunnisa Yasmine Asa Arya Sudarman Asana, I Made Dwi Putra Ayuni Harianti Azmir, Azra Ariel Azra Ariel Azmir Azra Ariel Azmir CCW Emehel D. C. Khrisne D. C. Khrisne D.C. Khrisne Dewa Made Wiharta Dhyaksa, Ida Bagus Dharma Dipta, I Made Yogaswara Duman Care Khrisne Enrico Andriyanto F. L. H. Utomo Fajar Tri Prabowo Gde Made Budi Antara Gede Humaswara Prathama Gede Ogiana Gede Sastra Utara Gede Sukadarmika Gerson Feoh Hartawan, I Gusti Agung Komang Dlafari Djuni Hilmy Jawas I Dewa Made Bayu Atmaja Darmawan I Dw Gd Paramartha Warsika I G A Anom Semara Putra I G. A. K. Diafari Djuni Hartawan I Gede Agus Aditya Putra I Gede Agus Aditya Putra Aditya I Gede Eka Sanjaya I Gusti Agung Anom Semara Putra I Gusti Agung Gede Arya Kadyanan I Gusti Agung Komang Diafari Djuni Hartawan I Gusti Ngurah Priambadi I ketut Gede Darma Putra I Ketut Widi Arjana Yasa I Komang Adi Bayu Adnyana I Komang Surya Adinandika I M. A. Suyadnya I M. A. Suyadnya I Made Arsa Suyadnya I Made Oka Widyantara I Made Rai Putera Yasa I Made Ryan Handika I Made Yogaswara Dipta I N Satya Kumara I Nyoman Gunantara I Nyoman Suprapta Winaya I Putu Eka Giri Setya Kresnadi Putra I Putu Suryadharma I Wayan Diki Andriasmika I Wayan Kayun Wardana I.M.A. Suyadnya IBGD. Dhyaksa ICA Lukpratama Ida Ayu Laksmi Dewi Ida Bagus Darma Putra Ida Bagus Kade Dwi Suta Negara Ida Bagus Putu Adnyana IGB Alit Putra Wijaya IGst Ngr PT. Adi S.P. IPH Darmawan Is-Haka Mkwawa K.O Saputra Kadek Agus Mahabojana Dwi Prayoga Kadek Darmaastawan Khalid G. Samarah KO Saputra Komang Isabella Anasthasia Komang Oka Saputra Komang Tri Wahyuni . Komang Yuda Krisnawan Leovin Leovin Linawati Linawati . Linawati Linawati Lino Verlin Lino Verlin Luh Ika Dhivtyasari Suryani M Zatiar Erwan Kalam M. Ardi Fermanta Merliana, Ni Putu Eka MHD. Reza M.I. Pulungan Mkwawa, Is-haka Muhammad Iman Nur Hakim N.G. Widana N.K.W. Trisnawati Ngurah Agus Sanjaya ER Ngurah Indra ER Ni Made Anita Belinda Ni Made Erma Pratiwi Astiti Ni Putu Eka Apsari Yuniari Ni Putu Lintang Anggitiadewi Nyoman Arun Wiratama Nyoman Pramaita Nyoman Pramaita Nyoman Putra Sastra Nyoman Sumerta Yasa Pande Gede Wipradnyana Pebri Yeni Samosir Putra Adi Wibowo Putra Yudhanata Pratama Putu Arya Mertasana R. A. Prayitno R.S. Hartati R.S.E.C. Nesa Rezamal Ilham Samarah, Khalid G. Saputra, Komang Oka Setyohadi, Djoko Budiyanto T. Angrriawan T.B. Purwanto Vencysisca Jeane Risamena Verlin, Lino W. Setiawan Wayan Gede Ariastina Widyadi Setiawan Widyanto, I Putu Willy Sucipto Yansen Andriyanto Yoga Divayana Z Zamani Noor Zaky Zamani Noor “Prama Ade Prayitno

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