Resource allocation for OFDMA cognitive radios under channel uncertainty

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

Volumn , Issue , 2011, Pages 3188-3191

  Kim, Seung Jun ^a   Soltani, Nasim Yahya ^b   Giannakis, Georgios B ^a  

^a University of Minnesota   (United States)

^b UNIVERSITY OF TEHRAN   (Iran)

Author keywords

channel uncertainty; cognitive radios; OFDMA; optimization; resource allocation

Indexed keywords

ACCESS POINTS; CHANNEL GAINS; CHANNEL UNCERTAINTIES; COGNITIVE RADIO; COGNITIVE RADIOS; DUAL METHOD; MAXIMIZATION PROBLEM; NEAR-OPTIMAL SOLUTIONS; OFDMA; OPTIMIZATION PROBLEMS; ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS; POLYHEDRAL APPROXIMATION; PROBABILISTIC INTERFERENCE; SECOND ORDER CONE; SUB-CARRIER ALLOCATION; SUB-CARRIERS; WEIGHTED SUM-RATE;

COMPUTER RESOURCE MANAGEMENT; FREQUENCY BANDS; OPTIMIZATION; ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING; RADIO; RESOURCE ALLOCATION; SIGNAL PROCESSING; SPEECH COMMUNICATION;

FREQUENCY DIVISION MULTIPLE ACCESS;

EID: 80051640484     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2011.5946699     Document Type: Conference Paper

References (9)

1. Z.-Q. Luo and S. Zhang, "Dynamic spectrum management: complexity and duality," IEEE J. Sel. Topics Sig. Proc., vol. 2, no. 1, pp. 57-73, Feb. 2008.
2. S. V. Hanly, L. L. H. Andrew, and T. Thanabalasingham, "Dynamic allocation of subcarriers and transmit powers in an OFDMA cellular network," IEEE Trans. Info. Theory, vol. 55, no. 12, pp. 5445-5462, Dec. 2009.
3. G. Zheng, K.-K. Wong, and B. Ottersten, "Robust cognitive beamforming with bounded channel uncertainties," IEEE Trans. Sig. Proc., vol. 57, no. 12, pp. 4871-1881, Dec. 2009.
4. Y. J. Zhang and A. M.-C. So, "Optimal spectrum sharing in MIMO cognitive radio networks via semidefinite programming," Aug. 2010, available at http://arxiv.org/abs/1006.4225.
5. Y. Zhang and C. Leung, "Resource allocation in an OFDM-based cognitive radio system," IEEE Trans. Commun., vol. 57, no. 7, pp. 1928-1931, Jul. 2009.
6. R. Wang, V. K. N. Lau, L. Lv, and B. Chen, "Joint cross-layer scheduling and spectrum sensing for OFDMA cognitive radio systems," IEEE Trans. Wireless Commun., vol. 8, no. 5, pp. 2410-2416, May 2009.
7. A. Ben-Tal and A. Nemirovski, "On polyhedral approximations of the second-order cone," Math. Oper. Res., vol. 26, no. 2, pp. 193-205, May 2001.
8. F. Glineur, "Computational experiments with a linear approximation of second-order cone optimization," Service de Mathématique et de Recherche Opérationnelle, Faculté Polytechnique de Mons, Mons, Belgium, Tech. Rep. 0001, Nov. 2000.
9. Y. Yao and G. B. Giannakis, "Rate-maximizing power allocation in OFDM based on partial channel knowledge," IEEE Trans. Wireless Commun., vol. 4, no. 3, pp. 1073-1083, May 2005.