Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
}
TY - GEN
T1 - Novel approaches to determine the optimal operating point of spectrum sensing in overlay spectrum sharing
AU - Khoshkholgh, Mohammad G.
AU - Navaie, Keivan
AU - Yanikomeroglu, Halim
PY - 2010
Y1 - 2010
N2 - In this paper we propose a novel approach to obtain the optimal operating point of the spectrum sensing in overlay spectrum sharing. The operating point of the spectrum sensing is specified by the receiver operating characteristic (ROC) curve which is a fundamental spectrum sensing behavior that relates its false alarm and missed detection probabilities. Our objective is to maximize the ergodic capacity of the secondary service in the presence of inaccurate spectrum sensing. We formulate an optimization problem to obtain the optimal transmission power strategy and ROC operating point of the spectrum sensing. Constraints of the considered optimization problem include the secondary service maximum transmission power as well as the maximum primary service collision probability. Two iterative sub-optimal schemes are then proposed to find the solutions of the optimization problem. Numerical results show that both proposed schemes quickly converge after a few iterations. Moreover, it is observed that the proposed schemes significantly outperform other conventional approaches.
AB - In this paper we propose a novel approach to obtain the optimal operating point of the spectrum sensing in overlay spectrum sharing. The operating point of the spectrum sensing is specified by the receiver operating characteristic (ROC) curve which is a fundamental spectrum sensing behavior that relates its false alarm and missed detection probabilities. Our objective is to maximize the ergodic capacity of the secondary service in the presence of inaccurate spectrum sensing. We formulate an optimization problem to obtain the optimal transmission power strategy and ROC operating point of the spectrum sensing. Constraints of the considered optimization problem include the secondary service maximum transmission power as well as the maximum primary service collision probability. Two iterative sub-optimal schemes are then proposed to find the solutions of the optimization problem. Numerical results show that both proposed schemes quickly converge after a few iterations. Moreover, it is observed that the proposed schemes significantly outperform other conventional approaches.
KW - COGNITIVE RADIO NETWORKS
KW - ACCESS
U2 - 10.1109/VETECF.2010.5594277
DO - 10.1109/VETECF.2010.5594277
M3 - Conference contribution/Paper
SN - 9781424435739
T3 - IEEE VTS Vehicular Technology Conference Proceedings
SP - 1
EP - 5
BT - 2010 IEEE 72nd Vehicular Technology Conference Fall
PB - IEEE
CY - New York
T2 - IEEE 72nd Vehicular Technology Conference Fall 2010
Y2 - 6 September 2010 through 9 September 2010
ER -