About this Journal Submit a Manuscript Table of Contents
International Journal of Vehicular Technology
Volume 2009 (2009), Article ID 891367, 10 pages
http://dx.doi.org/10.1155/2009/891367
Research Article

Suboptimal Rate Adaptive Resource Allocation for Downlink OFDMA Systems

Department of Electrical and Computer Engineering, WINCORE Lab, Ryerson University, Toronto, ON, Canada M5B 2K3

Received 11 January 2009; Revised 21 May 2009; Accepted 7 June 2009

Academic Editor: Ekram Hossain

Copyright © 2009 Sanam Sadr et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. U. Varshney and R. Jain, “Issues in emerging 4G wireless networks,” Computer, vol. 34, no. 6, pp. 94–96, 2001. View at Publisher · View at Google Scholar
  2. R. W. Chang, “Synthesis of band-limited orthogonal signals for multichannel data transmission,” Bell Systems Technical Journal, pp. 1775–1796, 1966.
  3. C. Y. Wong, R. S. Cheng, K. B. Letaief, and R. D. Murch, “Multiuser OFDM with adaptive subcarrier, bit, and power allocation,” IEEE Journal on Selected Areas in Communications, vol. 17, no. 10, pp. 1747–1758, 1999. View at Publisher · View at Google Scholar
  4. J. G. Andrews, A. Ghosh, and R. Muhamde, Fundamentals of WiMAX: Understanding Broadband Wireless Networking, Prentice-Hall PTR, Upper Saddle River, NJ, USA, 2007.
  5. G. Zhang, “Subcarrier and bit allocation for real-time services in multiuser OFDM systems,” in Proceedings of the IEEE International Conference on Communications (ICC '04), vol. 5, pp. 2985–2989, Paris, France, June 2004.
  6. L. Xiaowen and Z. Jinkang, “An adaptive subcarrier allocation algorithm for multiuser OFDM system,” in Proceedings of the 58th IEEE Vehicular Technology Conference (VTC '03), vol. 3, pp. 1502–1506, Orlando, Fla, USA, October 2003.
  7. H. Yin and H. Liu, “An efficient multiuser loading algorithm for OFDM-based broadband wireless systems,” in Proceedings of IEEE Global Telecommunications Conference (GLOBECOM '00), vol. 1, pp. 103–107, San Francisco, Calif, USA, November-December 2000.
  8. J. Jang and K. B. Lee, “Transmit power adaptation for multiuser OFDM systems,” IEEE Journal on Selected Areas in Communications, vol. 21, no. 2, pp. 171–178, 2003. View at Publisher · View at Google Scholar
  9. G. Song and Y. Li, “Utility-based joint physical-MAC layer optimization in OFDM,” in Proceedings of IEEE Global Telecommunications Conference (GLOBECOM '02), vol. 1, pp. 671–675, Taipei, Taiwan, November 2002.
  10. G. Song and Y. Li, “Adaptive subcarrier and power allocation in OFDM based on maximizing utility,” in Proccedings of the 57th IEEE Semiannual Vehicular Technology Conference (VTC '03), vol. 2, pp. 905–909, Jeju, Korea, April 2003.
  11. G. Song and Y. Li, “Cross-layer optimization for OFDM wireless networks—part I: theoretical framework,” IEEE Transactions on Wireless Communications, vol. 4, no. 2, pp. 614–624, 2005. View at Publisher · View at Google Scholar
  12. S.-W. Han and Y. Han, “A competitive fair subchannel allocation for OFDMA system using an auction algorithm,” in Proceedings of the 66th IEEE Vehicular Technology Conference (VTC '07), pp. 1787–1791, Baltimore, Md, USA, September-October 2007. View at Publisher · View at Google Scholar
  13. W. Rhee and J. M. Cioffi, “Increase in capacity of multiuser OFDM system using dynamic subchannel allocation,” in Proceedings of the 51st IEEE Vehicular Technology Conference (VTC '00), vol. 2, pp. 1085–1089, Tokyo, Japan, May 2000.
  14. Z. Shen, J. G. Andrews, and B. L. Evans, “Optimal power allocation in multiuser OFDM systems,” in Proceedings of the IEEE Global Telecommunications Conference (GLOBECOM '03), vol. 1, pp. 337–341, San Francisco, Calif, USA, December 2003.
  15. I. C. Wong, Z. Shen, B. L. Evans, and J. G. Andrews, “A low complexity algorithm for proportional resource allocation in OFDMA systems,” in Proceedings of the IEEE Workshop on Signal Processing Systems Design and Implementation, pp. 1–6, Austin, Tex, USA, October 2004.
  16. C. Mohanram and S. Bhashyam, “A sub-optimal joint subcarrier and power allocation algorithm for multiuser OFDM,” IEEE Communications Letters, vol. 9, no. 8, pp. 685–687, 2005. View at Publisher · View at Google Scholar
  17. P. S. Chow and J. M. Cioffi, “Bandwidth optimization for high speed data transmission over channels with severe inter-symbol interference,” in Proceedings of IEEE Global Telecommunications Conference (GLOBECOM '92), vol. 1, pp. 59–63, Orlando, Fla, USA, December 1992.
  18. A. J. Goldsmith and S.-G. Chua, “Variable-rate variable-power MQAM for fading channels,” IEEE Transactions on Communications, vol. 45, no. 10, pp. 1218–1230, 1997.
  19. Z. Shen, J. G. Andrews, and B. L. Evans, “Adaptive resource allocation in multiuser OFDM systems with proportional rate constraints,” IEEE Transactions on Wireless Communications, vol. 4, no. 6, pp. 2726–2736, 2005. View at Publisher · View at Google Scholar
  20. T. S. Rappaport, Wireless Communications, Prentice-Hall PTR, Upper Saddle River, NJ, USA, 2002.
  21. Z. Shen, Multiuser resource allocation in multiuser wireless communication systems, Ph.D. dissertation, University of Texas at Austin, Austin, Tex, USA, May 2006.