Abstract
Inter-cell Co-Channel Interference (ICCI) is a severe problem suffered by cell-edge users in multi-cell OFDMA system, an adaptive interference coordination (AIC) algorithm based on Iterative Water-Filling (IWF) algorithm for multi-cell is proposed. Cell-edge users and cell-center users have different priorities. The resource allocated to cell-edge users is adjusted after each convergence. The convergence of AIC algorithm is verified by simulation. The performance is compared with I-IWF [6] algorithm. Simulation results show that AIC can improve cell-edge users’ performance effectively while guarantee no big loss in total system capacity and fairness of users.
This work is supported by sub-project of the new generation broadband wireless mobile communication network of the National Science and Technology Major Projects (2009ZX03003-003) and the 111 Project of China (B08038).
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Li, J., Chen, J., Kuo, Y. (2011). A Downlink Adaptive Interference Coordination Algorithm of OFDMA. In: Zhang, J. (eds) Applied Informatics and Communication. ICAIC 2011. Communications in Computer and Information Science, vol 227. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23226-8_40
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DOI: https://doi.org/10.1007/978-3-642-23226-8_40
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