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All Journal Jurnal Eksplora Informatika CCIT (Creative Communication and Innovative Technology) Journal
Djoko Soetarno
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Computer Science & IT

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Journal : CCIT (Creative Communication and Innovative Technology) Journal

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Slotted ALOHA CDMA By Dual Model Path Gains Hoga Saragih; Djoko Soetarno
CCIT Journal Vol 3 No 1 (2009): CCIT JOURNAL
Publisher : Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (195.533 KB) | DOI: 10.33050/ccit.v3i1.301

Abstract

Throughput Slotted ALOHA CDMA by dual model path gain Nakagami/Nakagami fading channel by capture effect is analyzed. The approach of fading effect to BER is calculated by path gain. Path gain for desired signal and interference signal is unequal. Therefore, at this research BER used on S-ALOHA CDMA is BER with two different model path gains at Nakagami/Nakagami fading channel with capture effect. Result of calculation indicates that throughput of slotted ALOHA CDMA are getting better with increase level of parameter fading signal and long code. Others throughput slotted ALOHA CDMA also better progressively with the decrease of capture ratio and simultaneous user.
MENENTUKAN LINTASAN TERPENDEK (SHORTEST PATH) DENGAN 0/1 KNAPSACK PROBLEM DAN PENDEKATAN ALGORITMA DYNAMIC PROGRAMMING Iwan Fitrianto R; Djoko Soetarno
CCIT Journal Vol 4 No 3 (2011): CCIT JOURNAL
Publisher : Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (828.959 KB) | DOI: 10.33050/ccit.v4i3.449

Abstract

Knapsack merupakan salah satu permasalahan klasik yang banyak ditemukan di kehidupan sehari-hari. Knapsack dapat diartikan sebagai karung atau kantung. Karung digunakan untuk memuat sesuatu dan tentunya tidak semua objek dapat ditampung di dalam karung. Karung tersebut hanya dapat menyimpan beberapa objek dengan total ukurannya lebih kecil atau sama dengan ukuran kapasitas karung. Pada prinsipnya masalah Knapsack ini adalah masalah optimalisasi sehingga algoritma harus mencari sebuah solusi paling optimal sebagai jawabannya. Tulisan ini akan membahas bagaimana menyelesaikan 0/1 Knapsack Problem dengan menggunakan pendekatan Algortima Dynamic Programming.
REKAYASA PENGONTROLAN KEAMANAN SEPEDA MOTOR INVENTARIS MELALUI MEDIA HANDPHONE PADA PT. KMK GLOBAL SPORT Djoko Soetarno; Haryanto Haryanto; Andry Bastian
CCIT Journal Vol 9 No 3 (2016): CCIT JOURNAL
Publisher : Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (676.719 KB) | DOI: 10.33050/ccit.v9i3.463

Abstract

In a company that has an inventory of vehicles ( Motorcycles ) terkandang appears constraints on system security and system control, because security officer ( guard ) must control one by one manually motorcycle . There are several systems that can be tailored to these problems , one of which is the control system automatically uses the Bluetooth facility . In this system using Bluetooth facility to give commands to the microcontroller used , ie ATmega328 -based ArduinoUno . Security guard simply open the application Bluetooth Controller and connect the Android smartphone to Bluetooth which is mounted on the motorcycle inventory , and then press " a " to activate the alarm , " b " for mennon - activate the alarm , " c " to turn the motor , " d " to turn off the motor , then the guard can control the motor electrically.
Co-Authors Andry Bastian Augury El Rayeb Haryanto Haryanto Hoga Saragih Hoga Saragih Iwan Fitrianto R SRI RAHAYU