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- W207210580 abstract "In this paper, a blockwise adaptive subcarrier allocation algorithm for multiuser Orthogonal Frequency Division Multiplexing (OFDM) system is introduced. Assuming the knowledge of channel information for all users, the algorithm minimizes the total transmit power while satisfying the total power and users’ rate constraints. The result of simulation shows that the proposed algorithm reduces the average bit Signal-to-Noise Ratio (SNR) by approximately 4 dB compared with OFDM-Frequency Division Multiple Access (OFDM-FDMA), and supports more users in a multiuser Rayleigh fading channel. As assigning subcarriers in block, the computational complexity of the algorithm is much lower than that of the derivation of “water-filling” algorithm." @default.
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- W207210580 date "2004-11-01" @default.
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- W207210580 title "Block adaptive subcarrier allocation for wireless multiuser OFDM system" @default.
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- W207210580 doi "https://doi.org/10.1007/bf03036996" @default.
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