Title :
A set of closed form approximate formulae for optimal sensing duration of cognitive radio
Author :
Bin Gu ; Tiecheng Song ; Dafei Sun ; Lei Zhang ; Ming Wu ; Jie Guo
Author_Institution :
Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China
Abstract :
In a cognitive radio system, proper configuration of sensing duration enables maximization of the data throughput. However, no existing straightforward formula is available, which is desirable in the mobile context due to tightness of computation time. A set of closed-form approximate formulae of optimal sensing duration for cognitive radio are derived under different signal to noise ratio (SNR). The approximation errors are perfectly small except within a certain SNR range, where the error is still less than 5%.
Keywords :
approximation theory; cognitive radio; optimisation; SNR; approximate formulae; approximation errors; cognitive radio system; data throughput maximisation; optimal sensing duration; signal to noise ratio; Approximation methods; Cognitive radio; Data communication; Equations; Sensors; Signal to noise ratio; Throughput; approximate formula; cognitive radio; spectrum sensing; throughput maximization;
Conference_Titel :
Wireless Communications and Signal Processing (WCSP), 2014 Sixth International Conference on
Conference_Location :
Hefei
DOI :
10.1109/WCSP.2014.6992136
