Analog SC-FDE using single sideband technique

T. H. Vo, Shinya Kumagai, F. Adachi
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引用次数: 2

Abstract

In order to improve performance of analog signal transmission, we recently proposed a novel analog single-carrier transmission with frequency-domain equalization (analog SC-FDE). Analog SC-FDE adopts double sideband (DSB) technique (referred to as analog SC-DSB-FDE) to transmit signal. In this paper, in order to double the spectrum efficiency of analog SC-DSB-FDE, single sideband (SSB) technique is introduced. Analog SC-SSB-FDE applies discrete Fourier transform (DFT), frequency-domain spectrum shaping filter and mapping, inverse DFT (IDFT), and cyclic prefix (CP) insertion before transmission. At the receiver, one-tap FDE is applied to take advantage of frequency diversity and a spectrum copy for restoring spectrum is applied. By computer simulation, we show that analog SC-SSB-FDE achieves better normalized mean square error (NMSE) performance than conventional analog SSB transmission and keeps the performance quality similar to analog SC-DSB-FDE.
利用单边带技术模拟SC-FDE
为了提高模拟信号的传输性能,我们最近提出了一种新的频域均衡模拟单载波传输(模拟SC-FDE)。模拟SC-FDE采用双边带(DSB)技术(简称模拟SC-DSB-FDE)传输信号。为了使模拟SC-DSB-FDE的频谱效率提高一倍,本文引入了单边带(SSB)技术。模拟SC-SSB-FDE在传输前应用离散傅里叶变换(DFT)、频域频谱整形滤波和映射、逆DFT (IDFT)和循环前缀(CP)插入。在接收端,利用频率分集利用一分频FDE,利用频谱复制恢复频谱。通过计算机仿真,我们表明模拟SC-SSB-FDE比传统模拟SSB传输获得更好的归一化均方误差(NMSE)性能,并保持与模拟SC-DSB-FDE相似的性能质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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