New power allocation methods for AF relay assisted OFDM cognitive radio networks with outdated CSI

2012 International Symposium on Communications and Information Technologies, ISCIT 2012

Volumn , Issue , 2012, Pages 300-305

  Biyanwilage, Shashika ^a   Gunawardana, Upul ^a   Liyanapathirana, Ranjith ^a  

^a UNIVERSITY OF WESTERN SYDNEY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CHANNEL STATE INFORMATION; COGNITIVE RADIO; COMPLEX NETWORKS; ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING; RADIO TRANSMISSION;

AMPLIFYAND-FORWARD RELAY; CAPACITY DEGRADATION; CAPACITY IMPROVEMENT; COGNITIVE RADIO NETWORK; INTERFERENCE CONSTRAINTS; OPTIMAL POWER ALLOCATION; REDUCED COMPLEXITY; SUB-OPTIMAL SCHEMES;

LOADING;

EID: 84872163221     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ISCIT.2012.6380930     Document Type: Conference Paper

References (21)

1. J. Mitola and G.Q. Maguire, "Cognitive radio: Making software radio more personal",IEEE Pers. Commun., vol. 6, pp. 13-18, Aug. 1999.
2. H.A. Mahmoud, T. Yucek, and H. Arslan, "OFDM for cognitive radio: Merits and challenges", IEEE Wireless Commun., vol. 16, no. 2, pp. 6-15, Apr. 2009
3. K.B. Letaief, and W. Zhang, "Cooperative communications for cognitive radio networks",Proc. of the IEEE, vol. 97, no. 5, pp. 878-893, May 2009
4. G. Bansal, M.J. Hossain, and V.K. Bhargava, "Optimal and suboptimal power alocation schemes for OFDM-based cognitive radio systems", IEEE Trans. on Wireless Commun., vol. 7, no. 11, pp. 4710-4718, Nov. 2008.
5. Y. Zhang, and C. Leung, "Resource allocation in an OFDM-based cognitive radio system", IEEE Trans on Commun., vol. 57, no. 7, pp. 1928-1931, Jul. 2009
6. M. Shaat, and F. Bader, "Optimal power allocation algorithm for OFDM-based decode-and-forward dual-hop cognitive systems", in Proc. IEEE VTC'11, pp. 1-5, May 2011.
7. S. Yang, and X. Wang, "Power allocation for cognitive radio systems based on nonregenerative OFDM relay transmission", in Proc. WiCom'09, pp. 1-4, Sept. 2009.
8. M.S. Kaiser, K.M. Ahmed, and R.A. Shah, "Power allocation in OFDM-based cognitive relay networks", in Proc. IEEE WCNIS'10, pp. 202-206, Jun. 2010
9. M. Shaat, and F. Bader, "Optimal and and suboptimal resource allocation for two-hop OFDM-based multi-relay cognitive networks", in Proc. IEEE PIMRC'11, pp. 477-481, Sept. 2011.
10. D. Bharadia, G. Bansal, P. Kaligineedi, and V.K. Bhargava, "Relay and power allocation schemes for OFDM-based cognitive radio systems", IEEE Trans. on Wireless Commun., vol. 10, no. 9, pp. 2812-2817, Sep. 2011.
11. G. Bansal, Md. J. Hossain, and V.K. Bhargava, "Adaptive power loading for OFDM-based cognitive radio systems with statistical interference constraint", IEEE Trans. on Wireless Commun., vol. 10, no. 9, pp. 2786-2791, Sep. 2011.
12. J.M. Peha,"Approaches to spectrum sharing", IEEE Commun. Mag., vol. 43, no. 2, pp. 10-12, Feb. 2005.
13. D.I. Kim, L.B. Le, and E. Hossain, "Joint rate and power allocation for cognitive radios in dynamic spectrum access environment", IEEE Trans. on Wireless Commun., vol. 7, no. 12, pp. 5517-5527, Dec. 2008.
14. S. Biyanwilage, U. Gunawardana, and R. Liyanapathirana, "Power allocation in DF relay assisted OFDM cognitive radio networks with outdated CSI", Accepted for publication in Proc. IEEE ISCIT'12
15. A.K. Sadek, Z. Han, and K.J. Ray Liu, "Distributed relay-assignment protocols for coverage expansion in cooperative wireless networks", IEEE Trans. on Mobile Computing, vol. 9, no. 4, pp. 505-515, Apr. 2010.
16. I. Hammerstrom and A. Wittneben, "On the optimal power allocation for nonregenerative OFDM relay links", in Proc. IEEE Inter. Conf. Commun. (ICC'06), pp. 4463-4468, Jun. 2006.
17. T. Weiss and J. Hillenbrand and A. Krohn and F.K. Jondral, "Mutual interference in OFDM-based spectrum pooling systems", in Proc. IEEE Vehicular Technol. Conf. (VTC'04), pp. 1873-1877, May. 2004.
18. J.L. Vicario, A. Bel, J.A. Lopez-Salcedo, and G. Seco, "Opportunistic relay selection with outdated CSI: outage probability and diversity analysis", IEEE Trans. on Wireless Commun., vol. 8, no. 6, pp. 2872-2876, Jun. 2009.
19. Ian C. Wong, and Brian L. Evans, "OFDMA downlink resource allocation for ergodic capacity maximization with imperfect channel knowledge", Proc. Globecom'07, pp. 3729-3733, Nov. 2007.
20. I.S. Gradshteyn, I.M. Ryzhik, A. Jeffrey, and D. Zwillinger, Tables of Integrals, Series, and Products, 7th ed. Academic Press, 2007.
21. S. Boyd and L. Vandenberghe, Convex Optimization, Cambridge University Press, 2004.