DOIONLINE 
DOIONLINE Publish In |
International Journal of Advance Computational Engineering and Networking (IJACEN)-IJACEN |
 Journal Home Volume Issue |
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Issue |
Volume-1,Issue-2 ( Apr, 2013 ) | |||||||||
Paper Title |
Mobile AD-HOC And Sensor Network | |||||||||
Author Name |
Syed Arifuddin, Humera Quadeer, MD.Asifuddin | |||||||||
Affilition |
Assistant. Professor, CSIT Department, Maulana Azad National Urdu University, Andhra Pradesh, India 3 Student, Pursuing M.Tech in Computer Science, Al Habeeb college of Engineering and Technology, Chevella,R.R. District, Andhra Pradesh, India Email: [email protected], [email protected], . | |||||||||
Pages |
66-70 | |||||||||
Abstract |
A new concept of a hybrid ad-hoc network is presented. We illustrate two message exchanging functions which employ External Connection Updating (ECU) and Internal Connection Updating (ICU) messages to establish and maintain connections between stationary and mobile nodes. By avoiding repeated connection updates and unnecessary pilot message channel monitoring, it is possible to reduce the amount of energy used due to receiving and transmitting these messages. By exploiting the expected distance to the transmission fringe of a connected node, a method to delay connection updates is derived as a probabilistic equation, depending on received SNR, confidence factor, and certain environmental attributes. The result does not depend on MAC level protocol specifics, and the results scale with transmission distance and required SNR. The confidence factor will govern how conservative the movements will be. Then, by exploiting the proximity of the mobile node to the stationary node, the probabilistic equation derived for the suspension of pilot channel monitoring was shown to be similar to the earlier result. We conclude that for scenarios where multiple connections are possible, these power control schemes are able to avoid connection maintenance and formation whenever possible if reliable connections are present. The benefits of using such schemes become more apparent as the frame length or the mobile node velocity is reduced. Furthermore, as past signal measurement information is used, there is an improvement in energy efficiency at the slight cost of increased error rate. | |||||||||
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