Xiaodong Zhang, Mingqi Li, Honglin Hu, Haifeng Wang, Bin Zhou, X. You
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引用次数: 12
Abstract
A DFT spread generalized multi-carrier (GMC) based frequency division multiple access (FDMA) scheme, i.e. DFT-S-GMC, is proposed for uplink transmission of wideband mobile communication systems. The scheme achieves spreading gains in the frequency-domain by discrete Fourier transform (DFT), and the frequency division multiplexing (FDM) and FDMA by inverse filter-bank transform (IFBT). By theoretical analysis and simulation results, it is shown that the proposed scheme has good peak-to-average power ratio (PAPR) performance and is more robust to the multi-access interference (MAI) than the existed main stream uplink schemes, e.g. OFDMA and DFT-S-OFDMA scheme
提出了一种基于DFT扩展广义多载波(GMC)的频分多址(FDMA)方案，即DFT- s -GMC，用于宽带移动通信系统的上行传输。该方案通过离散傅里叶变换(DFT)实现频域扩频增益，通过逆滤波器组变换(IFBT)实现频分复用(FDM)和频分复用(FDMA)。理论分析和仿真结果表明，与现有主流上行方案OFDMA和DFT-S-OFDMA相比，该方案具有良好的峰均功率比(PAPR)性能和对多址干扰(MAI)的鲁棒性
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