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Optimization method for the joint allocation of modulation schemes, coding rates, resource blocks and power in self-organizing LTE networks

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5 Author(s)
Lopez-Perez, D. ; Centre for Telecommun. Res., King''s Coll. London, London, UK ; Ladanyi, A. ; Juttner, A. ; Rivano, H.
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This article investigates the problem of the allocation of modulation and coding, subcarriers and power to users in LTE. The proposed model achieves inter-cell interference mitigation through the dynamic and distributed self-organization of cells. Therefore, there is no need for any a prior frequency planning. Moreover, a two-level decomposition method able to find near optimal solutions is proposed to solve the optimization problem. Finally, simulation results show that compared to classic reuse schemes the proposed approach is able to pack more users into the same bandwidth, decreasing the probability of user outage.

Published in:

INFOCOM, 2011 Proceedings IEEE

Date of Conference:

10-15 April 2011