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Two-Dimensional Resource Allocation for OFDMA System

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3 Author(s)
Ting Wang ; Dept. of Electron. Eng., Fudan Univ. Shanghai, Shanghai ; Hui Feng ; Bo Hu

The resource allocation problem in OFDMA system is how to assign two-dimensional blocks covering time and frequency to multi-users. Resource allocation is crucial to system performance but is not defined in IEEE 802.16 standards. We proved that the problem of resource allocation in IEEE 802.16 standard is NP-complete. To approximately solve the problem in real time, we present a fast heuristic algorithm with O(n2) computational complexity based on topology evaluation. Simulation results show that the allocation result is competitive.

Published in:

Communications Workshops, 2008. ICC Workshops '08. IEEE International Conference on

Date of Conference:

19-23 May 2008