Tri budi Santoso

Tri budi Santoso
Electronics Engineering Polytechnic Institute of Surabaya | EEPIS-ITS · Department of Electronic Engineering

MT

About

50
Publications
12,755
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121
Citations
Citations since 2017
27 Research Items
99 Citations
20172018201920202021202220230510152025
20172018201920202021202220230510152025
20172018201920202021202220230510152025
20172018201920202021202220230510152025

Publications

Publications (50)
Article
Full-text available
Several studies have shown that the main challenge in teaching complex systems involving many theoretical backgrounds to senior students is their lack of confidence. In this paper, we present an approach to the teaching methodology of an undergraduate course in a telecommunication study program. The first goal of this methodology is to help student...
Article
Pada komunikasi Wireless seperti LoRa perlu adanya pembangkitan kunci untuk pengamanan data. Hal ini dilakukan agar data yang dikirimkan tidak mudah di serang oleh attacker. Salah satu cara mendapatkan kunci yang tepat adalah dengan pengkondisian nilai koefisien korelasi RSSI yang tinggi. Pada penelitian ini dibuat sebuah sistem untuk meningkatkan...
Article
Suara setiap penutur memiliki karakter spesifik yang unik, dipengaruhi oleh jenis kelamin, usia, emosi, dialek, dll. Penggunaan identifikasi jenis kelamin berdasarkan suara berkembang pesat, seperti pada bidang sistem kemanan, pengenalan ucapan, kecerdasan buatan, dll. Tetapi dalam pengolahan suara terdapat kesulitan yang mana karakteristik sinyal...
Article
Kecelakaan lalu lintas merupakan salah satu penyebab angka kematian yang cukup tinggi. Dengan kondisi demografis di Indonesia, di mana pengendara sepeda motor adalah tipe yang mendominasi lalu lintas jalan raya, sehingga resiko tertimpa kecelakaan lalu lintas leboh tinggi dibanding pengendara lain. Sistem deteksi aktivitas pada kendaraan bermotor y...
Article
Di dalam interaksi antara manusia dan komputer diperlukan kemampuan untuk melakukan pengenalan, penafsiran, dan memberikan respons emosi yang diekspresikan dalam ucapan. Sampai saat ini penelitan speech emotion recognition (SER) yang berbasis bahasa Indonesia masih sangat sedikit. Hal ini disebabkan keterbatasan korpus data berbahasa Indonesia untu...
Article
Full-text available
p> High Frequency (HF) Communication is very dependent on the condition of the ionosphere which changes conditions over time. 2019 is a year with minimum solar conditions marked by a lack of solar cold spots. This condition can cause interference with the propagation path of radio waves in the ionosphere. In this research, a report on HF wave propa...
Article
Pada makalah ini diusulkan suatu model pembelajaran di laboratorium untuk mata kuliah pengolahan sinyal dengan memanfaatkan platform Mini PC, yang dalam hal ini adalah Raspberry pi. Strategi ini dipilih dengan tujuan untuk mengurangi kesenjangan yang sering terjadi di dalam proses pembelajaran dan memanfaatkan trend teknologi device yang semakin mu...
Article
Full-text available
In this paper, presented an OFDM performance evaluation with the Non-uniform Coded-Modulation in the underwater acoustic channel in shallow water. A row of binary information is encoded by BCH code (7.4) for error correction and combined with Non-uniform modulation which is the result of modification of the subcarrier arrangement of the OFDM standa...
Article
Full-text available
Secret key generation scheme that utilizes the randomness of wireless channels is a very promising alternative to establish a secure communication path. Some wireless devices are used to obtain the channel parameters. But the problem that occurs is imprecise measurement results, causing a secret key difference between the two users. To overcome thi...
Article
Full-text available
Understanding of channel propagation characteristics is a key to the optimal design of underwater acoustic communication. Generally, modelling of underwater acoustic channel is performed based on measurement result in certain site at certain times. Different sites might have different characteristics, each of which can generally be described by a m...
Conference Paper
Transmission process of underwater information signal becomes useful technology in shallow water area by using an acoustic signal as a transmission medium. One of the acoustic signal propagation parameter which has been observed is an ambient noise. Ambient noise affects the channel condition become non ideal and thus require further research. This...
Conference Paper
Digital Video Broadcasting-Terrestrial second generation (DVB-T2) is developed from Digital Video Broadcasting — Terrestrial first generation (DVB-T) standard. DVB broadcasting development based is still open. In this research, the development or evaluation of MIMO-OFDM system which is a transmission technique used in the DVB-T2 standard. Multiple...
Article
Full-text available
Understanding of environmental characteristic is a key factor in design of communication system. This paper describes an ambient noise characterization of measurement in the shallow water ofSurabaya bay. The result showed that probability density function (pdf) of ambient noise is close to a Gaussian distribution with the mean of -2.85x10-5 and de...
Article
Understanding the characteristics of channel propagation plays an important role in designing communication systems. Underwater acoustic channel modeling is commonly done by the direct measurement result from a specific location and time. This paper presents an evaluation of channel impulse response (CIR) and power delay profile (PDP) measurements...
Conference Paper
In this paper, we present the performance evaluation of constant false alarm rate (CFAR) detector for delay spread analysis of underwater acoustic channel, in shallow water environment. The model is developed with ray tracing of a Towing Tank, and validated by measurement with pseudo-noise (PN) sequence probe signal. Delay spread is obtained by usi...
Article
Full-text available
One way to increase the performance of Orthogonal Frequency Division Multiplexing System (OFDM) system is by adding a channel coding (error correction code) in order to detect and correct errors that occur when sending data.At communication of acoustic underwater channel coding is required because of the characteristics of the channel bottom water...
Article
Full-text available
Image transmission over under water acoustic channel is one of research trends that were developed to support under ocean environment monitoring. The result of study about the source coding performance for image transmission over underwater acoustic channel over tropical shallow-water environment is presented in this paper. By using the discrete co...
Data
Full-text available
Acoustic propagation in the underwater channel influenced by three factors: signal attenuation, multipath propagation, and low speed of sound propagation. Understanding of underwater acoustic channel is the basis in the design of a reliable communication system, and until now there is no standard fading model for underwater acoustic channel. Experi...
Conference Paper
Full-text available
Development of an underwater acoustic communication system is a necessity for the majority of the nation as a sea area of Indonesia. Most area s of the ocean in Indonesia is shallow, the environment has unique characteristics compared to other countries. It is a challenge in the research underwater acoustic communication system. This paper presente...
Conference Paper
Full-text available
Research developments and applications in the underwater acoustic communication fields have been a challenge for researchers. In this paper we present a study about image transmission over underwater acoustic channels. We present the 256 OFDM transmission technique with BPSK modulation, forward error correction (FEC)-Hamming (7,4), least square (LS...
Conference Paper
Full-text available
This paper present a measurement report of underwater acoustic propagation parameter such as ambient noise, attenuation, time delay, multipath, and power delay profile. Measurement have carried out in a water tank with dimension of 12 x 180 meters, and 6 meters deep. By using the maximum likelihood estimation (MLE) technique was obtained that the c...
Article
Full-text available
Abstrak Suatu peletakan sistem Wi-Fi yang baik diperlukan untuk mengoptimalkan level daya terima dari transmitter ke receiver. Karakteristik yang paling berpengaruh dalam menentukan performance sebuah sistem Wi-Fi adalah nilai level daya, karena nilai inilah yang dapat digunakan untuk menentukan coverage area dari sebuah pemancar (access point). Pa...
Article
Full-text available
Abstrak Suatu peletakan sistem Wi-Fi yang baik diperlukan untuk mengoptimalkan level daya terima dari transmitter ke receiver. Karakteristik yang paling berpengaruh dalam menentukan performance sebuah sistem Wi-Fi adalah nilai level daya, karena nilai inilah yang dapat digunakan untuk menentukan coverage area dari sebuah pemancar (access point). Da...
Article
Full-text available
Sebuah prototipe sistem pengolahan sinyal digital menggunakan TMS32C5402 yang didukung bahasa C disajikan pada paper ini. Prototipe ini sebagai sebuah educational tool dalam proses pembelajaran konsep pengolahan sinyal digital dan merealisasikannya secara real time. Pembentukan modul perangkat lunak berbasis bahasa C sudah terintegrasi dalam paket...
Article
Abstrak Masalah coverage pada wireless sensor network (WSN) adalah untuk meletakan sensor pada service area yang dapat mencakup seluruh service area. Masalah coverage dalam WSN sangat penting karena merepresentasikan QoS (Quality of Service) dari WSN tersebut. Pada paper ini akan disajikan sebuah simulasi untuk merancang sebuah system dengan covera...
Article
Full-text available
Abstrak Komunikasi antar manusia memang harus dilakukan karena manusia membutuhkan interaksi dengan manusia lain sebagai makluk sosial. Proses komunikasi ini pada kondisi tertentu tidak bisa dilakukan karena kendala bahasa. Selain itu, bahasa merupakan cermin budaya dan identitas diri penuturnya, sehingga bahasa harus dilestarikan, misalnya Bahasa...
Article
Full-text available
Abstrak Wi-Fi bekerja pada jaringan dan perangkat sistem komunikasi nirkabel (wireless communication system), contohnya jaringan WLAN. Bagian terpenting dalam komunikasi nirkabel adalah propagasi gelombang. Karena jalannya propagasi gelombang dari transmitter (Tx) ke receiver (Rx) yang menunjukkan level daya terima terhadap sinyal tidak kasat mata,...
Article
Full-text available
Abstrak Untuk mengamati perubahan data yang dihasilkan oleh alam, sensor harus memiliki fleksibilitas dalam menangkap data-data tersebut. Disamping itu, data-data yang dihasilkan dari bermacam-macam sumber yang berbeda juga akan membuat data-data tersebut berbeda-beda pula. Akibatnya data yang ditangkap oleh sensor kurang begitu presisi. Dari kejad...

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