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All Journal International Journal of Electrical and Computer Engineering TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of Engineering and Technological Sciences Journal of ICT Research and Applications Jurnal Informatika dan Teknik Elektro Terapan Jurnal Ilmiah Ekonomi Islam The Indonesian Journal of Public Administration (IJPA) Buletin Sumber Daya Geologi PROCESSOR Jurnal Ilmiah Sistem Informasi, Teknologi Informasi dan Sistem Komputer Jurnal Elektronika dan Telekomunikasi Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Kartika Kimia JURIKOM (Jurnal Riset Komputer) Jurnal Kreativitas PKM GEMA EKONOMI Edsence: Jurnal Pendidikan Multimedia Building of Informatics, Technology and Science JIIP (Jurnal Ilmiah Ilmu Pendidikan) Spektrum Sipil Buletin Peternakan Tropis (Bulletin of Tropical Animal Science) Al-Khidmah Jurnal Pengabdian Masyarakat AGRITEKH (Jurnal Agribisnis dan Teknologi Pangan) Makara Journal of Technology Khidmatuna: Jurnal Pengabdian Masyarakat Abdimas Mandalika IIJSE Jurnal Sistem Informasi dan Manajemen Jurnal Isu Teknologi Jurnal Pengabdian Isola Journal of Technology and Computer (JOTECHCOM) Journal of Innovation and Teacher Professionalism Buletin Pos dan Telekomunikasi Tunas: Jurnal Penelitian Pendidikan Dasar Jurnal Insan Pengabdian Indonesia Ecobankers : Journal of Economy and Banking An-nisa: Journal of Islamic Family Law
Hendrawan Hendrawan
Institut Teknologi Bandung
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Dissipative Controller Design for Networked Control Systems via the Markovian Jump System Approach Najmurrokhman, Asep; Riyanto T., Bambang; Syaichu-Rohman, Arief; Hendrawan, H.
Journal of Engineering and Technological Sciences Vol 45, No 1 (2013)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.954 KB) | DOI: 10.5614/j.eng.technol.sci.2013.45.1.3

Abstract

This paper describes a dissipative controller design for networked control systems modeled by the Markovian jump system. Dissipativity refers to the existence of a supply rate dealing with the system such that the closed-loop system has a dissipative property. The main result of this paper is a solvability condition in terms of linear matrix inequalities for achieving dissipativity of a dynamic output feedback problem in networked control systems via the Markovian jump system approach. A numerical example is given to show the efficacy of the proposed design.
PENDUGAAN NILAI TAHANAN JENIS BATUAN UNTUK MENGETAHUI STRUKTUR GEOLOGI PADA ENDAPAN VULKANIK DI KEC. PADARINCANG, PROVINSI BANTEN. Endyana, Cipta; Hirnawan, Febri; Hendrawan, Hendrawan; Mardiana, Undang
Buletin Sumber Daya Geologi Vol 6, No 3 (2011): Buletin Sumber Daya Geologi
Publisher : Buletin Sumber Daya Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6143.995 KB)

Abstract

Pendugaan nilai-nilai tahanan jenis batuan menggunakan metode Schlumberger merupakan pendekatan yang efektif untuk menduga kondisi batuan bawah permukaan. Penggunaan teknik interpolasi danpengelompokkan nilai tahanan jenis lebih lanjut dapat menafsirkan kontinuitas lateral jenis batuan dan struktur geologi.Pengolahan dan pengujian secara statistik  analisis regresi berganda pada nilai tahananjenis menghasilkan enam jenis kelompok batuan, yaitu: Breksi grain supported, Tuf Lapili, Tuf Kasar, Breksi grain supported, tuf lapili, breksi matrix supported. Hasil uji korelasi pada karakter tahanan jenis keenam kelompok batuan tersebut ditemukan bahwa ada tiga sumber material yang berbeda pada saat pengendapannya. Material endapan diyakini berasal dari Gunung Parakasak, Gunung Karang dan Gunung Kamuning. Kesamaan nilai tahanan jenis pada pola berarah barat-timur menunjukkan kesamaan litologi, sedangkan kesamaan nilai tahanan jenis pada pola dengan arah utara-selatan menunjukkan nilai kontras tahanan jenis yang disebabkan oleh dua jenis sesar berarah relatif barat-timur dengan mekanisme yang berbeda.
PERFORMANCE EVALUATION OF A2-A4-RSRQ AND A3-RSRP HANDOVER ALGORITHMS IN LTE NETWORK Hendrawan, Hendrawan; Zain, Ayu Rosyida; Lestari, Sri
Jurnal Elektronika dan Telekomunikasi Vol 19, No 2 (2019)
Publisher : Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v19.64-74

Abstract

In LTE Network, users can move freely in the network through fast and seamless handover (HO). This research focuses on intra-LTE handover which occurs using interface X2 to move an EU between two eNBs, i.e. source eNB and target eNB without any changes in MME and SGW at EPC level. Two popular algorithms of intra-LTE handover namely A2-A4-RSRQ and A3-RSRP were evaluated and compared through simulations as well as direct measurements in the field. Simulation is conducted using NS3 simulation tool where performances of various scenarios from both algorithms were evaluated. The performance metrics studied include the average number of HOs that occur, throughput and optimized ratio. Simulations carried out for various scenarios in term of EU numbers, user speeds, and channel conditions. In addition, the results of one-month measurement of three eNBs were also presented. The measurement results are then compared and used to verify the simulation results. Furthermore, by using the optimizing ratio metric, the optimal pair of parameter values of Threshold as well as Offset and Handover Margin (HOM) along with Time-to-Trigger (TTT) are sought for the A2-A4-RSRQ and A3-RSRP respectively.
Eksperimen Estimasi Biaya Proyek Perangkat Lunak Menggunakan Metode Function Point Analysis (FPA) Hendrawan, Hendrawan; Jusia, Pareza Alam; Rasywir, Errissya; Pratama, Yovi
JURIKOM (Jurnal Riset Komputer) Vol 6, No 4 (2019): Agustus 2019
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (217.06 KB) | DOI: 10.30865/jurikom.v6i4.1329

Abstract

In building software, it should start with project planning. This activity is initialized with estimation activity. When estimation is done, it is necessary to make predictions in the future and handle the uncertainty that will be passed in running a software project. There are several options in project estimation. However, in this study, we used the most common and familiar technique to be tested on project data that had been running in the field. From the results of experiments conducted in the study on 20 (twenty) data software development projects in one of the software houses in Jambi city using the Function Point Analysis (FPA) method, the results of the calculation of the RMSE (root mean squared error) of Rp 1,073,001, - and an error value of 0.25. This means that it can be concluded that the difference in RMSE from the real price comparison transacted in the field with the price estimated using the Function Point Analysis (FPA) method is equal to the value mentioned above, which value includes a value with a fairly small gap. As well, the error value produced is also quite small at 0.25.
Effective Router Assisted Congestion Control for SDN Sofia Naning Hertiana; Adit Kurniawan; Hendrawan Hendrawan; Udjianna Sekteria Pasaribu
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 6: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (610.805 KB) | DOI: 10.11591/ijece.v8i6.pp4467-4476

Abstract

Router Assisted Congestion Control (RACC) was designed to improve endto- end congestion control performance by using prior knowledge on network condition. However, the traditional Internet does not provide such information, which makes this approach is not feasible to deliver. Our paper addresses this network information deficiency issue by proposing a new congestion control method that works on the Software Defined Network (SDN) framework. We call this proposed method as PACEC (Path Associativity Centralized Congestion Control). In SDN, global view of the network information contains the network topology including link properties (i.e., type, capacity, power consumption, etc.). PACEC uses this information to determine the feedback signal, in order for the source to start sending data at a high rate and to quickly reach fair-share rate. The simulation shows that the efficiency and fairness of PACEC are better than Transmission Control Protocol (TCP) and Rate Control Protocol (RCP).
Joint Routing and Congestion Control in Multipath Channel based on Signal to Noise Ratio with Cross Layer Scheme Istikmal Istikmal; Adit Kurniawan; Hendrawan Hendrawan
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 4: August 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (528.32 KB) | DOI: 10.11591/ijece.v8i4.pp2207-2219

Abstract

Routing protocol and congestion control in Transmission Control Protocol (TCP) have important roles in wireless mobile network performance. In wireless communication, the stability of the path and successful data transmission will be influenced by the channel condition. This channel condition constraints come from path loss and the multipath channel fading. With these constraints, the algorithm in the routing protocol and congestion control is confronted with the uncertainty of connection quality and probability of successful packet transmission, respectively. It is important to investigate the reliability and robustness of routing protocol and congestion control algorithms in dealing with such situation.  In this paper, we develop a detailed approach and analytical throughput performance with a cross layer scheme (CLS) between routing and congestion control mechanism based on signal to noise ratio (SNR) in Rician and Rayleigh as multipath fading channel. We proposed joint routing and congestion control TCP with a cross layer scheme model based on SNR (RTCP-SNR). We compare the performance of RTCP-SNR with conventional routing-TCP and routing-TCP that used CLS with routing aware (RTCP-RA) model. The analyses and the simulation results showed that RTCP-SNR in a multipath channel outperforms conventional routing-TCP and RTCP-RA.
Wireless Sensor Network over High Altitude Platform Veronica Windha Mahyastuty; Iskandar Iskandar; Hendrawan Hendrawan; M. Sigit Arifianto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 1: February 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i1.8391

Abstract

One of Machine Type Communication (MTC) applications is Wireless Sensor Network (WSN). WSN is an intelligent network application system to collect, integrate, and transmit data autonomously. Sensor nodes in WSN, communicate over short distance via a wireless medium and collaborate to accomplish a common task, such as enviroment monitoring, military surveillance and industrial process control. The constraining aspect of WSN usage is the limited power of each sensor node, so energy efficiency becomes an important issue in WSN. Routing is a function in WSN, which consumes a substantial amount of energy. One of the routing protocols that can increase the energy efficiency of WSN is Low Energy Adaptive Clustering Hierarchy (LEACH). In this paper, High Altitude Platform (HAP) is used to replace Base Station (BS) as sink node in WSN. HAP is designed at altitudes of 17, 20 and 22 km. Then WSN over HAP using the LEACH routing protocol evaluated its performance. Performance indicators that we evaluated are engergy consumption, number of dead nodes and total average packets which is sent to HAP. From a series of simulations conducted, the results obtained that the higher the laying of HAP, then the coverage area will be greater. So that the energy consumption will be smaller, the number of dead node less and the avarage of total packet delivered to the HAP will be greater.
Sparsity Properties of Compressive Video Sampling Generated by Coefficient Thresholding Ida Wahidah Hamzah; Tati Latifah R. Mengko; Andriyan B. Suksmono; Hendrawan Hendrawan
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 12, No 4: December 2014
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v12i4.296

Abstract

We study the compressive sampling (CS) and its application in video encoding framework. The video input is firstly transformed into suitable domain in order to achieve sparser configuration of coefficients. Then, we apply coefficient thresholding to classify which frames to be sampled compressively or conventionally. For frames chosen to undergo compressive sampling, the coefficient vectors will be projected into smaller vectors using random measurement matrix. As CS requires two main conditions, i.e. sparsity and matrix incoherence, this research is emphasized on the enhancement of sparsity property of the input signal. It was empirically proven that the sparsity enhancement could be reached by applying motion compensation and thresholding to the non-significant coefficient count. At the decoder side, the reconstruction algorithm can employ basis pursuit or L1 minimization algorithm.
Dissipative Controller Design for Networked Control Systems via the Markovian Jump System Approach Asep Najmurrokhman; Bambang Riyanto T.; Arief Syaichu-Rohman; H. Hendrawan
Journal of Engineering and Technological Sciences Vol. 45 No. 1 (2013)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2013.45.1.3

Abstract

This paper describes a dissipative controller design for networked control systems modeled by the Markovian jump system. Dissipativity refers to the existence of a supply rate dealing with the system such that the closed-loop system has a dissipative property. The main result of this paper is a solvability condition in terms of linear matrix inequalities for achieving dissipativity of a dynamic output feedback problem in networked control systems via the Markovian jump system approach. A numerical example is given to show the efficacy of the proposed design.
Acquaintance Management Algorithm Based on the Multi-Class Risk-Cost Analysis for Collaborative Intrusion Detection Network Yudha Purwanto; Kuspriyanto Kuspriyanto; Hendrawan Hendrawan; Budi Rahardjo
Journal of Engineering and Technological Sciences Vol. 53 No. 6 (2021)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2021.53.6.10

Abstract

The collaborative intrusion detection network (CIDN) framework provides collaboration capability among intrusion detection systems (IDS). Collaboration selection is done by an acquaintance management algorithm. A recent study developed an effective acquaintance management algorithm by the use of binary risk analysis and greedy-selection-sort based methods. However, most algorithms do not pay attention to the possibility of wrong responses in multi-botnet attacks. The greedy-based acquaintance management algorithm also leads to a poor acquaintance selection processing time when there is a high number of IDS candidates. The growing number of advanced distributed denial of service (DDoS) attacks make acquaintance management potentially end up with an unreliable CIDN acquaintance list, resulting in low decision accuracy. This paper proposes an acquaintance management algorithm based on multi-class risk-cost analysis and merge-sort selection methods. The algorithm implements merge risk-ordered selection to reduce computation complexity. The simulation result showed the reliability of CIDN in reducing the acquaintance selection processing time decreased and increasing the decision accuracy.
Co-Authors Achmad Achmad Adillah, Rifda Adit Kurniawan Afiat, M Agung Harsoyo, Agung Agus Setiabudi Ahmad Sofan Ansor, Ahmad Sofan Ahyani, Ahyani Amir Husaini Karim Amrullah Andriyan B. Suksmono Anggita, Nanda Anggraini, Dila Riski Annifah, Riri Uswatun Ardelia, Aya Sofia ARDIANSYAH ARDIANSYAH Arief Syaichu-Rohman Arief Syaichu-Rohman Asep Kadarohman Asep Najmurrokhman Ashfiya, Putri Sayyida Ayu Rosyida Zain Aziz, Hafiz Aji Azwan, Ahmad Bambang Riyanto T. Bambang Riyanto T. Barkah, M. Riana Barnawi, Barnawi Basuki Y. Iskandar Basyaruddin, Muh Budi Rahardjo Budiman Anwar Bustanul Arifin Carenina, Babel Tio Carmadi Machbub Cipta Endyana Dasril Dasril Debi Yustisia, Wa Ode Dewanto, I Joko Eli Hendrik Sanjaya Errissya Rasywir Estralita Trisnawati Febri Hirnawan Firna, Firna Fitri Khoerunnisa Fitri, Andi Fitri Florentina Maria Titin Supriyanti Gantini, Tuti Harahap, Ahmad Saleh Hariyanto, Andi Heri Sulistiyono, Heri Husain , Husain Iasha, Yurin Karunia Apsha Albaina Iasya, Yurin Karunia Apsha Albaina Ida Hamidah Ida Wahidah Hamzah Ijang Rohman Iqbal Musthapa Iskandar Iskandar Ismail Ismail Isnaeni Isnaeni Istikmal Istikomah Istikomah itriyani, Nur Juhaedi, Edi Kamaruddin, Harni Sartika Khumaedilah, Thakfif KUSPRIYANTO Lathifah, Siti Maulani Latukau, Fikry Lisdayanti, Nur M. Sigit Arifianto Maemonah, Maemonah Maharani, Brigitta Stacia Mahmudah, Eneng Mariamah Mariamah Muhallim, Muhlis Muhammad Dani MUHAMMAD HARIS Muhammad Sajidin Muhiran, Muhiran Muntako, Muntako Nadila, Gesti Nasiruddin, Nurfadilah Noviana, Tia Nurasih, Siti Nurhayati, Mita Nurhidayatulloh, Nurhidayatulloh Nursaid Rizalullael, Muh. Pareza Alam Jusia, Pareza Alam PRACOYO, ATAS Pradjoko , Eko Pranoto Rusmin, Pranoto Prastio, M. Adam Ragil Qiansantang, Lalu Rahmatullah Rahmatullah Rahmiati Rahmiati Rofi’i, Imam Rosdiana Rosdiana Rosi Oktiani Rusmin, Pranoto Hidaya Saepurrohman9, Riki Salasa, Danie Salehudin, Salehudin Samun Haris Satiadharmanto, Deddi Fasmadhy Selasdini, Vidya Shatrya, Maulana Siregar, Lidya Marsaulina Siti Aisyah Sofia Naning Hertiana Soja Siti Fatimah Sri Lestari Sri Mulyani Suciyati Suciyati Suhardin Suhardin, Suhardin Suhono H. Supangkat Sulisetijono Sulisetijono Suratno, Eddy Syihabuddin Taufiq, Muhammad Syuhada, Rahmad Tati Latifah R. Mengko Tri Cahyadi Triwulan, Novy Ubaydillah, Ragil Udjianna Sekteria Pasaribu Undang Mardiana Veronica Windha Mahyastuty Wahyu Agung Sakti, Lalu Wahyudi Wahyudi Wahyudi, Muh.Diki Warnoto Warnoto Widiyanti, Silvia Widodo, Yuda Yaya Sonjaya Yovi Pratama Yudha Purwanto Yudiana, Pina Yuliana Yuliana Yuliani, Galuh Yunita Rakhmawati Zain, Ayu Rosyida Zaskya Wati, Wa Ode