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PROPOSED ADAPTIVE BLIND CHANNEL SHORTENING FOR MULTI-CARRIER SYSTEMS

机译:拟议的多载波系统自适应盲道收缩

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This paper proposes a new blind adaptive channel shortening for multi-carrier systems. DST (Discrete Sine Transform) along with its inverse as a replacement for the inverse fast Fourier transform / fast Fourier transform (IFFT/FFT) stages in DMT (Discrete Multi-Tone) systems. The performance of the Discrete Fourier Transform-DMT (DFT-DMT) system is investigated with the proposed DST-DMT system over the standard Carrier Serving Area (CSA) loop1, the results in this paper show that employing the proposed DST-DMT system rather than the conventional DFT-DMT system can provide a higher bit rate with low complexities. That is because of the excellent spectral compaction and energy concentration properties of the DST compared to DFT.
机译:本文提出了一种新的针对多载波系统的盲自适应信道缩短方法。 DST(离散正弦变换)及其倒数可以替代DMT(离散多音调)系统中的快速傅里叶逆变换/快速傅里叶逆变换(IFFT / FFT)阶段。利用建议的DST-DMT系统在标准载波服务区(CSA)环路上研究了离散傅里叶变换-DMT(DFT-DMT)系统的性能,本文的结果表明,使用建议的DST-DMT系统而不是与传统的DFT-DMT系统相比,它可以提供较高的比特率且具有较低的复杂度。这是因为与DFT相比,DST具有出色的光谱压缩和能量集中特性。

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