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A Low-Complexity Subcarrier-Power Allocation Scheme for Frequency-Division Multiple-Access Systems

Liu, Tingting, Yang, Chenyang and Yang, Lie-Liang (2010) A Low-Complexity Subcarrier-Power Allocation Scheme for Frequency-Division Multiple-Access Systems IEEE Transactions on Wireless Communications, 9, (5), pp. 1571-1576.

Record type: Article


This letter aims to design a low-complexity subcarrier-power allocation scheme to improve the communication reliability of various types of frequency-division multipleaccess (FDMA) systems. Both uplink and downlink are considered. Specifically, a low-complexity worst subcarrier avoiding (WSA) subcarrier-allocation scheme is proposed, in order to avoid assigning users the subcarriers experiencing severe fading. After the subcarrier-allocation, channel-inversion assisted powerallocation is employed to assign the subcarriers the corresponding power. Our studies and simulation results show that the achievable error performance of the FDMA systems employing the proposed subcarrier-power allocation algorithm is independent of the multiplexing method. The proposed algorithm outperforms the existing subcarrier-power allocation algorithms that have a similar complexity as the proposed one.

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Published date: May 2010
Organisations: Southampton Wireless Group


Local EPrints ID: 272641
PURE UUID: 2d0e69bc-477c-4f65-a44a-179d6f8576af
ORCID for Lie-Liang Yang: ORCID iD

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Date deposited: 05 Aug 2011 16:56
Last modified: 18 Jul 2017 06:22

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Author: Tingting Liu
Author: Chenyang Yang
Author: Lie-Liang Yang ORCID iD

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