Load Balancing Scheme for Heterogeneous Cellular Networks Using e-ICIC 


Vol. 39,  No. 5, pp. 280-292, May  2014


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  Abstract

Recently, heterogeneous networks consisting of small-cells on top of traditional macro-cellular network has attracted much attention, because traditional macro-cellular network is not suitable to support more demanding mobile data traffic due to its limitation of spatial reuse. However, due to the transmit power difference between macro- and small-cells, most users are associated with macro-cells rather than small-cells. To solve this problem, enhanced inter-cell interference coordination (eICIC) has been introduced. Particularly, in eICIC, the small-cell coverage is forcibly expanded to associate more users with small-cells. Then, to avoid cross-tier interference from macro-cells, these users are allowed to receive the data during almost blank subframe (ABS) in which macro-cells almost remain silent. However, this approach is not sufficient to balance the load between macroand small-cells because it only expands the small-cell coverage. In this paper, we propose a load balance scheme improving proportional fairness for heterogeneous networks employing eICIC. In particular, the proposed scheme combines the greedy-based user association and the ABS rate determination in a recursive manner to perform the load balance.

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  Cite this article

[IEEE Style]

M. Hong and S. Park, "Load Balancing Scheme for Heterogeneous Cellular Networks Using e-ICIC," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 5, pp. 280-292, 2014. DOI: .

[ACM Style]

Myung-hoon Hong and Seung-young Park. 2014. Load Balancing Scheme for Heterogeneous Cellular Networks Using e-ICIC. The Journal of Korean Institute of Communications and Information Sciences, 39, 5, (2014), 280-292. DOI: .

[KICS Style]

Myung-hoon Hong and Seung-young Park, "Load Balancing Scheme for Heterogeneous Cellular Networks Using e-ICIC," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 5, pp. 280-292, 5. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880