Border Security System for Indian Fishermen Using Antenna and Wave Propagation
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 7
Abstract
The above security system uses a microwave antenna operating at a particular frequency band which has been specially allocated for this security purpose. A receiver antenna operating at the same frequency will be receiving the electromagnetic radiations radiated by the transmitted antenna. The base station of the transmitting antenna will be located at Indian soil(For example, in case of border security system for Rameshwaram and Srilanka, a radiating antenna will be at Rameshwaram).The mobile station or receiving antenna will be fixed at the boats on which fishermen travel to acquire fishes. The radiations produced by the transmitting antenna will be radiating power whose strength will be decreasing as the distance between the transmitting antenna and receiving antenna increases. There will be a particular distance at which the radiation becomes unattainable by the receiving antenna. Technically to say, receiver antenna becomes out of line sight or is outside the cell site for establishing communication. This distance is one or two kilometres less than distance between Indian and Srilankan border. Calculation of frequency is made for this particular distance and it is the fixed microwave frequency for communication. Particular microwave is produced and radiated by the parabolic reflector antenna. Antenna at the receiver side is interfaced to the microcontroller circuit. The output of the microcontroller is fed to the loudspeaker. Microcontroller is programmed in such a way that when receiving antenna is no longer receiving the particular frequency radiations, an alarm is triggered on. This alarm is to make fishermen aware that they are about to cross the maritime borders. Since, the alarm is trigerred when fishermen’s boat is one or two kilometer less than fixed border line, it will be easy for him to take a detour. Further, the microcontroller when switching on the alarm, makes use of GPS(global positioning system) to send the location of the fishermen’s boat which has reached the specified warning line to the nearest coastal guard with a GSM module. For this GSM module, the operating frequency range is different from the previously generated one.
Authors and Affiliations
R. Ganesh, C. R. Suresh Kumar, K. Aruljegadesh Pandian
Keywords
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