基于超多幅级BPSK的ssb - dft - ofdm实现更高的频谱效率

2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) Pub Date : 2016-09-01 DOI:10.1109/PIMRC.2016.7794715

Hirokazu Fusayasu, Shigeki Nihei, M. Umehira, J. Abe, Jun Mashino

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引用次数: 1

摘要

在当前的WLAN/LTE标准中，1024/4096QAM等超多级调制可以实现10/ 12bit /s/Hz的频谱效率，而256QAM实现的频谱效率为8 bit/s/Hz，然而，由于相干检测的参考相位误差非常小，BER(误码率)性能显着降低。本文提出了基于SSB-DFTs-OFDM(单边带离散傅立叶变换扩频正交频分复用)的超多幅级BPSK(二相移键控)技术，以实现更高的频谱效率。理论分析和计算机仿真结果表明，与传统的1024/4096QAM相比，基于BPSK的多幅值级SSB-DFTs-OFDM对相干检测的参考相位误差具有更强的鲁棒性，且PAPR(峰值平均功率比)更低。

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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Ultra-multi-amplitude-level BPSK based SSB-DFTs-OFDM to achieve higher spectrum efficiency

Ultra multi-level modulation such as 1024/4096QAM can achieve higher spectrum efficiency of 10/12 bit/s/Hz than 8 bit/s/Hz achieved by 256QAM in current WLAN/LTE standards, however BER (Bit Error Rate) performance is significantly degraded due to very small reference phase error for coherent detection. This paper proposes ultra-multi-amplitude-level BPSK (Binary Phase Shift Keying) based SSB-DFTs-OFDM (Single Side Band Discrete Fourier Transform spreading Orthogonal Frequency Division Multiplexing) to achieve higher spectrum efficiency. Theoretical analysis and computer simulation results reveal the proposed multi-amplitude-level BPSK based SSB-DFTs-OFDM is more robust to reference phase error for coherent detection, and lower PAPR (Peak to Average Power Ratio) than conventional 1024/4096QAM.

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来源期刊

2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)

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