Cognitive Radio in Public Safety and Emergency Applications

  ijett-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2013 by IJETT Journal
Volume-4 Issue-4                       
Year of Publication : 2013
Authors : Yasaswi Kolluru , Rayala Ravi Kumar


Yasaswi Kolluru , Rayala Ravi Kumar. "Cognitive Radio in Public Safety and Emergency Applications". International Journal of Engineering Trends and Technology (IJETT). V4(4):880-882 Apr 2013. ISSN:2231-5381. published by seventh sense research group.


During disaster and emergency conditions traditional communication facilities get impaired but it is important to have communication between all the first responders. In such situations wireless technologies offer a suitable way for communication. The emergency c ommunications and disaster relief works create high traffic load and which in turn leads to congestion also network capacity and coverage are the major drawbacks of traditional wireless technologies. As it is known that the spectrum is partitioned and allo cated for different purposes, not all the spectrum is used in particular space or time and the unused spectrum can serve the demand in need. “ Cognitive radio” which is an intelligent wireless communication sy stem can find spectrum holes (unused spectrum ba nds) and uses them for communication there by facilitating the effective use of spectrum. So this pap er discusses the application of cognitive radio as a so lution for communication in Public Safety services and Emergency Communications .


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Cognitive Radio, Ad hoc Network Architecture, Emergency Communications, Network Coverage Extension.