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Optimal Fast Algorithm for Power and Bit Allocation in OFDM Systems

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1 Author(s)
Piazzo, L. ; Dept. of Inf., Electron., & Telecommun., Univ. of Rome La Sapienza, Rome, Italy

In an earlier paper, a simple and fast bit loading algorithm for orthogonal frequency-division-multiplex (OFDM) systems was presented. A drawback of the algorithm is that the solution obtained is suboptimal. This drawback is removed in this paper, where we show that the algorithm can be improved and turned into an optimal algorithm with a negligible impact on the computational complexity.

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Vehicular Technology, IEEE Transactions on  (Volume:60 ,  Issue: 3 )