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A flexible orthogonal frequency division multiplex (OFDM)-based modulation scheme is proposed under the name of Flexible Configured OFDM (FC-OFDM). It enables a flexible subband configuration and targets a multi-service scenario, which is envisioned for future 5G networks. The proposed FC-OFDM scheme provides a good compromise between the filter bank multi-carrier with offset quadrature amplitude modulation and the classical cyclic prefix-based OFDM system. The detailed system structure is illustrated in this paper, together with efficiency evaluations.
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Hao Lin (2015) studied this question.
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