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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/29079


    Title: Iterative bit and power allocation for multi-cell orthogonal frequency division multiplexing with minimum variance distortionless response beamforming
    Authors: Chen,YF;Lin,CY;Chen,LY
    Contributors: 通訊工程研究所
    Keywords: RESOURCE-ALLOCATION;WIRELESS NETWORKS;CELLULAR-SYSTEMS;OFDM SYSTEMS;CHANNELS;PERFORMANCE;MODULATION
    Date: 2009
    Issue Date: 2010-06-29 20:12:47 (UTC+8)
    Publisher: 中央大學
    Abstract: This paper develops bit and power allocation schemes with beamforming for multi-cell orthogonal frequency division multiplexing (OFDM) systems on uplink. The model of the multi-cell channel with frequency reuse is considered. The transmit signal from each mobile causes interference to the received signals of other base stations. The schemes aim to minimise the total mobile transmit power while satisfying the required data rate and the bit error rate (BER) of each mobile. The proposed schemes offer better performance than that of the fixed bit allocation method. The proposed distributed allocation scheme reduces computational complexity compared to the proposed centralised multi-user greedy method with insignificant performance degradation. The simulation results are presented to demonstrate the efficacy of the proposed schemes.
    Relation: IET COMMUNICATIONS
    Appears in Collections:[通訊工程研究所] 期刊論文

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