scholarly journals An Application of Received Signal Strength Indicator in Sea Border Detection and Ship Tracking System

Author(s):  
Geethy Mary Sam

Fishermen plays an important role in the development of fisheries and aquaculture sector. Further they will contribute to the Indian economy. The challenges attributed to the day-to-day activities of the fishermen are many. The extensive among this many includes the difficulties faced by them when they are in dilemma about the borders in the sea. They are often arrested or killed by the navy and their boats are captured by the border coastal guards when this borderland scenario is breached. There are many existing technologies with GPS and GSM to help them. But most of the time they are inaccurate and inefficient. As a key solution to these problems the sea border detection and ship tracking system using RSSI is developed. The technology proliferation of RSSI is used to provide location-based positioning and time details in all climatic conditions and even anywhere at any time.

2019 ◽  
Vol 3 (2) ◽  
pp. 88
Author(s):  
Riski Fitriani

Salah satu inovasi untuk menanggulangi longsor adalah dengan melakukan pemasangan Landslide Early Warning System (LEWS). Media transmisi data dari LEWS yang dikembangkan menggunakan sinyal radio Xbee. Sehingga sebelum dilakukan pemasangan LEWS, perlu dilakukan kajian kekuatan sinyal tersebut di lokasi yang akan terpasang yaitu Garut, Tasikmalaya, dan Majalengka. Kajian dilakukan menggunakan 2 jenis Xbee yaitu Xbee Pro S2B 2,4 GHz dan Xbee Pro S5 868 MHz. Setelah dilakukan kajian, Xbee 2,4 GHz tidak dapat digunakan di lokasi pengujian Garut dan Majalengka karena jarak modul induk dan anak cukup jauh serta terlalu banyak obstacle. Topologi yang digunakan yaitu topologi pair/point to point, dengan mengukur nilai RSSI menggunakan software XCTU. Semakin kecil nilai Received Signal Strength Indicator (RSSI) dari nilai receive sensitivity Xbee maka kualitas sinyal semakin baik. Pengukuran dilakukan dengan meninggikan antena Xbee dengan beberapa variasi ketinggian untuk mendapatkan kualitas sinyal yang lebih baik. Hasilnya diperoleh beberapa rekomendasi tinggi minimal antena Xbee yang terpasang di tiap lokasi modul anak pada 3 kabupaten.


Sign in / Sign up

Export Citation Format

Share Document