An Adaptive User Grouping and Subcarrier Allocation Algorithm for Grouped MC-CDMA Systems

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  • HUANG Jinri
    Tsinghua-Hitachi Joint Laboratory, Tsinghua University
  • NIU Zhisheng
    Tsinghua-Hitachi Joint Laboratory, Tsinghua University

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In MC-CDMA systems, subcarriers can be shared by different users. In this letter, we exploit the shared nature of subcarriers and propose a user grouping and subcarrier allocation algorithm for grouped MC-CDMA systems. The scheme aims at maximizing the total system throughput while providing bandwidth-fairness among groups. Simulation results are given to demonstrate the performance of the proposed algorithm in terms of sum capacity and per-user throughput.

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