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http://dx.doi.org/10.17661/jkiiect.2018.11.4.394

Overall Cell Data Rates Analysis for Heterogenous Network Under Adaptive Modulation  

Kwon, Tae-Hoon (Data Analysis Platform Center, Korea Institute of Science and Technology Information (KISTI))
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.11, no.4, 2018 , pp. 394-400 More about this Journal
Abstract
A heterogenous network is the one of key technologies for 5G, where one cell is divided into small cells in order to extend coverage and support high data rates. Divided cells aggravates the intercell interference problem as the cell edge increases. In order to avoid the intercell interference, it is the best to allocate the different spectrum for each cells. However, it also decreases the spectral efficiency. Therefore, the trade-off between the spectral efficiency gain and the signal quality loss by the interference should be considered for an efficient spectrum sharing in the heterogenous network. The adaptive modulation is the method to change the transmitted bit according to the channel quality, which is adopted as the standard in the most practical communication systems. It should be considered to applied the performance analysis into the practical systems. In this paper, the overall cell data rates is analyzed for the heterogenous network under the adaptive modulation. The Monte Carlo simulation results verify the correctness of the analysis.
Keywords
adaptive modulation; frequency sharing; heterogenous network; interference; resource allocation;
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