<p>Thus, both licensed users is not interrupted and will not be affected by the interruption of the communication system of cognitive radio, user communications, and both users have had an active correspondence. They are the subject of a literature search produced a small number, because the new study. Based on available information, in general, all the work is done, the range of use value is interpreted as a problem of selecting optimum power transmission and all the variable range of work ahead single network installation or power <a href="https://mukilapp.com/mukilfm">online tamil fm</a> calculation optimized transmission with a longer period calculated optimal range of the network (transmission power) has been shown to use the hard way [6,7,8,9].</p><p>Due Wang and says researchers represent the optimum power transmission by converting it into a problem of game theory, focusing on the problem and argued that increased my strength calculated using constant success in cognitive radio [6]. In another study, researchers, cognitive radio and licensed users of the transmission power of user accounts cognitive radio and licensed conducting joint publications have tried to calculate the optimum [7] power. As is clear from this study, researchers often use cognitive radio variable range seen only as a transmission power calculation problems and implement any work on the gear change momentarily.</p><p>However, only one study for ad wireless networks [10] mentions that increase the use and performance of the variable range shown improvement caused by the use of variable range. However, these studies have suggested a number of changes not only in the form of increases in the range, the range in some cases reducing the focus on improving performance. However, as mentioned above based on the information we have, there are no studies on this subject for cognitive radios. Some studies to increase the performance of studies cognitive radio network is intended to be oriented towards increasing the amount of data produced some reduction in end to end delay.</p>
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