Optimal power allocation for fading channels in cognitive radio networks: Ergodic capacity and outage capacity

IEEE Transactions on Wireless Communications

Volumn 8, Issue 2, 2009, Pages 940-950

  Kang, Xin ^a   Liang, Ying Chang ^b   Nallanathan, Arumugam ^c   Garg, Hari Krishna ^a   Zhang, Rui ^b  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

^b INSTITUTE FOR INFOCOMM RESEARCH   (Singapore)

^c KING'S COLLEGE LONDON   (United Kingdom)

Author keywords

Cognitive radio; Delay limited capacity; Ergodic capacity; Fading channel; Interference power constraint; Outage capacity; Power control; Spectrum sharing

Indexed keywords

BEAMFORMING; CHANNEL CAPACITY; ELECTRIC POWER UTILIZATION; FADING (RADIO); FREQUENCY BANDS; OUTAGES; POWER CONTROL; POWER SPECTRUM; RADIO; TELECOMMUNICATION NETWORKS;

COGNITIVE RADIO; DELAY-LIMITED CAPACITY; ERGODIC CAPACITY; INTERFERENCE POWER CONSTRAINT; OUTAGE CAPACITY; SPECTRUM SHARING;

FADING CHANNELS;

EID: 61349094185     PISSN: 15361276     EISSN: None     Source Type: Journal    
DOI: 10.1109/TWC.2009.071448     Document Type: Article

References (21)

1. "Spectrum policy task force," Federal Communications Commission, ET Docket No. 02-135, Tech. Rep., Nov. 2002.
2. J. Mitola and G. Q. Maguire, "Cognitive radio: making software radios more personal," IEEE Pers. Commun., vol. 6, no. 6, pp. 13-18, Aug. 1999.
3. S. Haykin, "Cognitive radio: brain-empowered wireless communications," IEEE J. Select. Areas Commun., vol. 23, no. 2, pp. 201-220, Feb. 2005.
4. Y.-C. Liang, Y. Zeng, E. C. Y. Peh, and A. T. Hoang, "Sensing- throughput tradeoff for cognitive radio networks," IEEE Trans. Wireless Commun., vol. 7, no. 4, pp. 1326-1337, Apr. 2008.
5. A. Ghasemi and E. S. Sousa, "Fundamental limits of spectrum-sharing in fading environments," IEEE Trans. Wireless Commun., vol. 6, no. 2, pp. 649-658, Feb. 2007.
6. A. J. Goldsmith and P. P. Varaiya, "Capacity of fading channels with channel side information," IEEE Trans. Inform. Theory, vol. 43, no. 6, pp. 1986-1992, Nov. 1997.
7. E. Biglieri, J. Proakis, and S. Shamai, "Fading channels: informationtheoretic and communications aspects," IEEE Trans. Inform. Theory, vol. 44, no. 6, pp. 2619-2692, Oct. 1998.
8. Y.-C. Liang, R. Zhang, and J. Cioffi, "Subchannel grouping and statistical waterfilling for vector block-fading channels," IEEE Trans. Commun., vol. 54, no. 6, pp. 1131-1142, June 2006.
9. M. Gastpar, "On capacity under receive and spatial spectrum-sharing constraints," IEEE Trans. Inform. Theory, vol. 53, no. 2, pp. 471-487, Feb. 2007.
10. L. Musavian and S. Aissa, "Ergodic and outage capacities of spectrumsharing systems in fading channels," in Proc. IEEE Global Telecommunications Conference (GLOBECOM¡̄07), Washington. DC, USA, 2007, pp. 3327-3331.
11. R. Zhang and Y.-C. Liang, "Exploiting multi-antennas for opportunistic spectrum sharing in cognitive radio networks," IEEE J. Select. Topics Signal Processing, vol. 2, no. 1, pp. 1-14, Feb. 2008.
12. L. Zhang, Y.-C. Liang, and Y. Xin, "Joint beamforming and power allocation for multiple access channels in cognitive radio networks," IEEE J. Select. Areas Commun., vol. 26, no. 1, pp. 38-51, Jan. 2008.
13. L. Ozarow, S. Shamai, and A. D. Wyner, "Information theoretic considerations for cellular mobile radio," IEEE Trans. Veh. Technol., vol. 43, pp. 359-378, May 1994.
14. G. Caire, G. Taricco, and E. Biglieri, "Optimum power control over fading channels," IEEE Trans. Inform. Theory, vol. 45, no. 5, pp. 1468-1489, July 1999.
15. S. V. Hanly and D. N. Tse, "Multi-access fading channels-part ii: delaylimited capacities," IEEE Trans. Inform. Theory, vol. 44, no. 7, pp. 2816-2831, Nov. 1998.
16. M. Khojastepour and B. Aazhang, "The capacity of average and peak power constrained fading channels with channel side information," in Proc. IEEE Wireless Commun. Networking Conf., vol. 1, Mar. 2004, pp. 77-82.
17. I. S. Gradshteyn and I. M. Ryzhik, Table of Integrals, Series, and Products, 5th ed. San Diego: Academic Press, 1994.
18. M. Nakagami, "The m-distribution, a general formula of intensity distribution of rapid fading," in Statistical Methods in Radio Wave Propagatio, W. G. Hoffman, Ed. Oxford, England: Pergamon, 1960.
19. A. Papoulis and S. U. Pillai, Probability, Random Variables and Stochastic Processes. New York: McGraw Hill Higher Education, 2002.
20. S. Boyd and L. Vandenberghe, Convex Optimization. Cambridge, UK: Cambridge University Press, 2004.
21. R. Zhang, S. Cui, and Y.-C. Liang, "On ergodic sum capacity of fading cognitive multiple-access and broadcast channels," submitted to IEEE Trans. Inform. Theory (also available at arXiv: 0806.4468).