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ThinkMind // SENSORCOMM 2012 , The Sixth International Conference on Sensor Technologies and Applications // View article sensorcomm_2012_10_50_10110


Solving Hidden Terminal Problem in Cognitive Networks Using Cloud Technologies

Authors:
Yenumula Reddy

Keywords: Hidden Terminal; Cognitive Networks; Cloud computing; spectrum mobility; spectrum holes.

Abstract:
Hidden terminal problem is one of the well-known problems when a node is visible from the access point but cannot communicate through it. The problem occurs in ad hoc networks as well as cognitive networks. The clear solution is not discussed in cognitive networks. In this paper, we proposed a method to solve the hidden terminal problem through cloud computing. The idea is that the cloud can store the status of cognitive network, compute, reorganize, and make available the current state of cognitive networks for future decisions. Further, we discussed the role of cloud computing in hidden terminal problems and a solution using the blackboard technology. The simulations were presented to cognitive radio network cloud and discussed the packet transfer and handshaking. The proposed cognitive network model using cloud technologies eliminates the overheads of request to send and clear to send. Further, implementation of cognitive networks through cloud technologies minimizes the problem of sudden entry of primary user.

Pages: 235 to 240

Copyright: Copyright (c) IARIA, 2012

Publication date: August 19, 2012

Published in: conference

ISSN: 2308-4405

ISBN: 978-1-61208-207-3

Location: Rome, Italy

Dates: from August 19, 2012 to August 24, 2012

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