Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Controls and Control Theory
Sensing And Transmission Strategies In Wireless Cognitive Radio Systems, Babak Abbasi Bastami
Sensing And Transmission Strategies In Wireless Cognitive Radio Systems, Babak Abbasi Bastami
UNLV Theses, Dissertations, Professional Papers, and Capstones
The main challenge in any cognitive radio system is to maximize secondary users throughput while limiting interference imposed on licensed users. In this regard, finding the optimal sensing and transmission timing strategies and accurate sensing techniques are of great importance in a cognitive radio network.
In this thesis, we study a sensing-transmission scheme for secondary user in a cognitive radio system where the secondary user senses every primary channel independently and transmits a signal for a fixed duration if it finds the channel empty and stays idle for another fixed duration if it senses the channel busy. We obtain optimal …