Journal of Communications and Networks

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Prioritized Resource Allocation in Wireless Spectrum Pooling

  • Received : 2011.11.11
  • Accepted : 2012.06.05
  • Published : 2012.10.31
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Abstract

A standard paradigm for the allocation of wireless resources in communication demands symmetry, whereby all users are assumed to be on equal footing and hence get equal shares of communication capabilities. However, there are situations in which "prime users" should be given higher priority, as for example in the transmission of emergency messages. In this paper, we examine a prioritization policy that can be implemented at the physical layer. In particular, we evaluate the performance of a prioritized transmission scheme based on spectrum pooling and on the assignment of higher signal-to-noise ratio channels to higher-priority users. This performance is compared to that of unprioritized (or "symmetric") schemes, and the impact of prioritization on the unprioritized users is discussed.

Keywords

References

  1. A. Lozano, E. Biglieri, and N. Alrajeh, "Interference Priority: A new scheme for prioritized resource allocation in wireless," to be published, 2012.
  2. E. Biglieri, A. Goldsmith, L. J. Greenstein, N. B. Mandayam, and H. V. Poor, Principles of Cognitive Radio. Cambridge, UK: Cambridge University Press, to be published, 2012.
  3. T. A. Weiss and F. K. Jondral, "Spectrum pooling: An innovative strategy for the enhancement of spectrum efficiency," IEEE Commun. Mag., vol. 42, pp. S8-S14, Mar. 2004.
  4. D.Willkomm, J. Gross, and A.Wolisz, "Reliable link maintenance in cognitive radio systems," in Proc. IEEE DySPAN, Baltimore, MD, Nov., 2005.
  5. V. G. Chavali and C. R. C. M. da Silva, "Collaborative spectrum sensing based on a new SNR estimation and energy combining method," IEEE Trans. Veh. Technol., vol. 60, no. 8, pp. 4024-4029, Oct. 2011. https://doi.org/10.1109/TVT.2011.2166284
  6. A. Pandharipande and C. K. Ho, "Spectrum pool reassignment for a cognitive OFDM-based relay system," in Proc. CROWNCOM, Orlando, FL, August 1-3, 2007.
  7. Z. Wang and G. B. Giannakis, "A simple and general parameterization quantifying performance in fading channels," IEEE Trans. Commun., vol. 51, no. 8, pp. 1389-1398, Aug. 2003. https://doi.org/10.1109/TCOMM.2003.815053
  8. E. Biglieri, Coding for Wireless Channels. New York, NY: Springer, 2005.
  9. J. J. Boutros, A. Guillen i Fabregas, E. Biglieri, and G. Zemor, "Lowdensity parity-check codes for nonergodic block-fading channels," IEEE Trans. Inf. Theory, vol. 56, No. 9, pp. 4286-4300, Sept. 2010. https://doi.org/10.1109/TIT.2010.2053890
  10. H. A. David and H. N. Nagaraja, Order Statistics. (3rd Edition). Hoboken, NJ: Wiley Interscience, 2003.
  11. S. M. Alamouti, "A simple transmit diversity technique for wireless communications," IEEE J. Sel. Areas Commun., vol. 16, no. 8, pp. 1451-1458, Oct. 1998. https://doi.org/10.1109/49.730453