Dynamic Channel Assignment Scheme Using Graph Coloring in Femtocell Networks 


Vol. 38,  No. 4, pp. 257-265, Apr.  2013


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  Abstract

In this paper, we proposed a Dynamic Channel Assignment (DCA) scheme called Graph Coloring based DCA (GC-DCA) to improve system performance for downlink femtocell networks with high density femto Access Point (AP) deployments. The proposed scheme consists of two steps: one is a femto AP grouping step considering interference and the other is a DCA step considering Signal to Interference plus Noise Ratio (SINR) for femto User Equipments (UEs). Simulation results show that the proposed GC-DCA outperforms other schemes in terms of the mean femto UE capacity and probability of femto UEs which have capacities less than a given transmit rate.

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  Cite this article

[IEEE Style]

S. Kim, I. Cho, Y. Kim, C. Cho, "Dynamic Channel Assignment Scheme Using Graph Coloring in Femtocell Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 4, pp. 257-265, 2013. DOI: .

[ACM Style]

Se-Jin Kim, IlKwon Cho, Yi-Kang Kim, and Choong-Ho Cho. 2013. Dynamic Channel Assignment Scheme Using Graph Coloring in Femtocell Networks. The Journal of Korean Institute of Communications and Information Sciences, 38, 4, (2013), 257-265. DOI: .

[KICS Style]

Se-Jin Kim, IlKwon Cho, Yi-Kang Kim, Choong-Ho Cho, "Dynamic Channel Assignment Scheme Using Graph Coloring in Femtocell Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 4, pp. 257-265, 4. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880