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Capacity Enhancement with Joint Subchannel and Power Allocation Scheme for OFDMA Femtocell Networks

by Arathy Varghese, Sudha T.
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 124 - Number 14
Year of Publication: 2015
Authors: Arathy Varghese, Sudha T.
10.5120/ijca2015905757

Arathy Varghese, Sudha T. . Capacity Enhancement with Joint Subchannel and Power Allocation Scheme for OFDMA Femtocell Networks. International Journal of Computer Applications. 124, 14 ( August 2015), 1-6. DOI=10.5120/ijca2015905757

@article{ 10.5120/ijca2015905757,
author = { Arathy Varghese, Sudha T. },
title = { Capacity Enhancement with Joint Subchannel and Power Allocation Scheme for OFDMA Femtocell Networks },
journal = { International Journal of Computer Applications },
issue_date = { August 2015 },
volume = { 124 },
number = { 14 },
month = { August },
year = { 2015 },
issn = { 0975-8887 },
pages = { 1-6 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume124/number14/22170-2015905757/ },
doi = { 10.5120/ijca2015905757 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:14:22.312304+05:30
%A Arathy Varghese
%A Sudha T.
%T Capacity Enhancement with Joint Subchannel and Power Allocation Scheme for OFDMA Femtocell Networks
%J International Journal of Computer Applications
%@ 0975-8887
%V 124
%N 14
%P 1-6
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Efficient power and subchannel allocation methods are required for orthogonal frequency division multiple access (OFDMA) based femtocell networks to improve the capacity of the system. This paper considers a joint subchannel and power allocation algorithm with capacity maximization for downlink of an OFDMA based femtocell networks. In the proposed algorithm subchannel allocation is first performed based on signal to interference plus noise ratio (SINR) of the channel with equal power distribution. Then for enhancing capacity with optimal power allocation, successive convex approximation (SCA) based power optimization is adopted. The effect of Arithmetic geometric mean (AGM) approximation with SCA on power optimization is also investigated. The optimal power is subsequently distributed by water-filling algorithm.

References
  1. Saquib, N.; Hossain, E. Long Bao Le and Dong In Kim, “Interference management in OFDMA femtocell networks: issues and approaches,” IEEE Wireless Commununications, vol. 19, pp. 86-95, 2012.
  2. Chandrasekhar, V., Andrews, J.G., Gatherer and Alan, “Femtocell networks: a survey,” IEEE Commununication Magazine, vol. 46, pp. 59-67, 2008.
  3. Lopez-Perez, D. Guvenc, I., de la Roche, G. Kountouris, M. Quek, T.Q.S. Jie Zhang, “Enhanced intercell interference coordination challenges in heterogeneous networks,” IEEE Wireless Commununication Magazine, vol. 18, pp. 22-30, 2011.
  4. Z. Han, Z. Ji, and K. Liu, “Non-cooperative resource competition game by virtual referee in multi-cell OFDMA networks,” IEEE Journal on Selected Areas of Communication, vol. 25, no. 6, pp. 1079-1090, Aug. 2007.
  5. H. Kwon and B. G. Lee, “Distributed resource allocation through noncooperative game approach in multi-cell OFDMA systems,” in Proceedings of IEEE International Conference of Communication (ICC), vol. 9, pp. 4345-4350, Jun. 2006.
  6. L. Venturino, N. Prasad, and X.Wang, “Coordinated scheduling and power allocation in downlink multicell OFDMA networks,” IEEE Transactions on Vehicular Technology, vol. 58, no. 6, pp. 2835-2848, Jul. 2009.
  7. K. Son, S. Lee, Y. Yi, and S. Chong, “REFIM: A practical interference management in heterogeneous wireless access networks,” IEEE Journal on Selected Areas of Communication, vol. 29, no. 6, pp. 1260-1272, Jun. 2011.
  8. T. Wang and L. Vandendorpe, “Iterative resource allocation for maximizing weighted sum min-rate in downlink cellular OFDMA systems,” IEEE Transactions on Signal Processing, vol. 59, no. 1, pp. 223-234, Jan. 2011.
  9. J. Papandriopoulos and J. S. Evans, “SCALE: a lowcomplexity distributed protocol for spectrum balancing in multiuser DSL networks,” IEEE Transactions on Information Theory, vol. 55, no. 8, pp. 3711-3724, August 2009.
  10. M. Chiang, C. W. Tan, D. P. Palomar, D. ONeill, and D. Julian, “Power control by geometric programming, “IEEE Transactions on Wireless Communications, vol. 6, no. 7, pp. 2640-2651, July 2007.
  11. J. Kim and D.-H. Cho, “A joint power and subchannel allocation scheme maximizing sys- tem capacity in indoor dense mobile communication systems,” IEEE Transactions on Vehicular Technology, vol. 59, no. 9, pp. 4340-4353, Nov. 2010.
  12. Chandrasekhar V. and Andrews J.G., “Spectrum allocation in tiered cellular networks,” IEEE Transactions on Communications, vol.57, no.10, pp.3059-3068, October 2009
  13. Haijun Zhang, Chunxiao Jiang, Beaulieu, N.C., Xiaoli Chu, Xiangming Wen, Meixia Tao, “Resource Allocation in Spectrum-Sharing OFDMA Femtocells With Heterogeneous Services,”IEEE Transactions on Communications, vol.62, no.7, pp.2366-2377, July 2014.
  14. Duy Trong Ngo, “Joint Subchannel Assignment and Power Allocation for OFDMA Femtocell Networks, ”IEEE Transactions on Wireless Communications, vol. 13, pp.342-355, January 2014.
  15. Zukang Shen, Andrews J.G. and Evans B.L., “Adaptive resource allocation in multiuser OFDM systems with proportional rate constraints,” IEEE Transactions on Wireless Communications, vol.4, no.6, pp.2726-2737, Nov. 2005.
Index Terms

Computer Science
Information Sciences

Keywords

Capacity enhancement Convex optimization Femtocell Power allocation SINR Subchannel assignment Successive convex approximation

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