The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this paper a GPS module based Transceiver for sea and land surveillance is developed with a range of few Kms. To achieve a larger range, a system at 433 MHz with high gain microstrip antenna and low power transceiver IC from Texas Instruments CC1101 is developed. The gain of receiver antenna is 9dB. To enhance the portability of the transmitter, gain of the transmitter antenna is kept 1.5dB. A...
The research area of Wireless Sensor Networks (WSN) is growing rapidly. WSN technology is making entrance into new application areas, for example industrial control and Critical Infrastructure (CI) environments. Energy efficiency is a highly prioritized goal of communication protocols and application design for WSN. However, the usage of WSN in both industrial and CI environments are starting to require...
The concept of simple sensor nets, devices the size of ping-pong balls, sprinkled liberally on the ground, has been around for a long time. Some of the big challenges have always been cost and complexity, as well as power consumption. While there have been a plurality of proprietary wireless systems developed over the past decade or so for application to this problem, these systems have suffered from...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.