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Cognitive radio wireless networks

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dc.contributor.advisor Ferdous, Hasan Shahid Joyantee, Tasnia Jahed Iqbal, Niaz Das, Ipshita 2011-11-13T06:09:44Z 2011-11-13T06:09:44Z 2011-04
dc.identifier.other ID 08110081
dc.identifier.other ID 08110082
dc.identifier.other ID 08110073
dc.description.abstract Standards groups and regulatory bodies around the world are increasingly seeking new ways of using, allowing access to, or allocating spectrum. In most parts of the world, cellular network bands are overloaded, but amateur radio and paging frequencies are not. Independent studies performed in some countries confirmed that observation, and concluded that spectrum utilization depends strongly on time and place. Moreover, fixed spectrum allocation prevents rarely used frequencies (those assigned to specific services) from being used by unlicensed users, even when their transmissions would not interfere at all with the assigned service. This was the reason for allowing unlicensed users to utilize licensed bands whenever it would not cause any interference (by avoiding them whenever legitimate user presence is sensed). This paradigm for wireless communication is known as cognitive radio. en_US
dc.language.iso en en_US
dc.publisher Department of Electrical and Electronic Engineering, BRAC University en_US
dc.title Cognitive radio wireless networks en_US
dc.type Thesis en_US

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