BER performance of Faster-than-Nyquist communications under Log-normal turbulence channel

Ming-hua CAO; Xin WU; Shun-xin YANG; Ke-jun JIA

doi:10.3788/OPE.20202802.0465

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BER performance of Faster-than-Nyquist communications under Log-normal turbulence channel

tutor | 更新时间：2020-07-16

- BER performance of Faster-than-Nyquist communications under Log-normal turbulence channel
- Optics and Precision Engineering Vol. 28, Issue 2, Pages: 465-473(2020)
- 作者机构：
  
  兰州理工大学计算机与通信学院，甘肃兰州 730050
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20202802.0465
  CLC： TN929.12
- Received：16 May 2019，
  
  Revised：06 July 2019，
  
  Accepted：06 July 2019，
  
  Published：25 February 2020
- 稿件说明：
移动端阅览
Ming-hua CAO, Xin WU, Shun-xin YANG, et al. BER performance of Faster-than-Nyquist communications under Log-normal turbulence channel[J]. Optics and precision engineering, 2020, 28(2): 465-473.
DOI：

Ming-hua CAO, Xin WU, Shun-xin YANG, et al. BER performance of Faster-than-Nyquist communications under Log-normal turbulence channel[J]. Optics and precision engineering, 2020, 28(2): 465-473. DOI： 10.3788/OPE.20202802.0465.

摘要

超奈奎斯特传输理论与调制技术相结合，可有效提高系统的频谱效率。本文将超奈奎斯特理论引入大气激光通信系统，构建了一种适合于log-normal湍流信道的超奈奎斯特光传输系统，推导了QPSK调制方式下超奈奎斯特大气光传输系统平均误码率的表达式，利用蒙特卡洛仿真进一步分析了该系统的误码性能及频谱效率。结果表明：采用超奈奎斯特技术方案可以较大幅度提升大气光传输系统的频谱效率，当SNR为18 dB

.为0.4时其频谱效率可以达到1.7 Baud/Hz，而未采用超奈奎斯特技术时只有1.56 Baud/Hz。另一方面，大气湍流对超奈奎斯特系统误码性能的影响较明显，当

.为0.4

BER为3.8×10

-3

时，信噪比恶化了约1 dB。相对于频谱效率的提升，误码性能的恶化是能够接受的。因此，可以将FTN技术引入大气光传输系统来提高系统的频谱效率。

Abstract

The combination of Faster-than-Nyquist (FTN) theory with modulation technology can effectively improve the spectral efficiency of atmospheric communication systems. In this paper

the FTN theory was introduced to atmospheric optical communications

and an FTN optical transmission system suitable for log-normal turbulence channel was proposed. Moreover

the equation for the Bit Error Rate (BER) of the proposed system was derived and further analyzed using the MonteCarlo method. The results indicate that the FTN scheme can considerably improve the spectral efficiency of atmospheric optical transmission systems. For example

when the signal-to-noise ratio is 18 dB

and the

S.I.

is 0.4

the spectral efficiency can reach 1.7 Baud/Hz

whereas it is only 1.56 Baud/Hz without the FTN scheme. Regarding the effects of atmospheric turbulence on system BER performance

when the

S.I.

is 0.4 and BER is 3.8×10

-3

the error performance decreases by approximately 1 dB. Compared with the significant improvement in spectral efficiency

the decrease in BER performance is worthwhile.Therefore

FTN technology can be introduced into atmospheric optical transmission systems to improve spectral efficiency.

关键词

Keywords

references

Y X ZHU , X M JIANG , Z Y CHEN , 等 . Terabit Faster-than-Nyquist PDM 16-QAM WDM transmission with a net spectral efficiency of 7.96b/s/Hz . Journal of Lightwave Technology , 2018 . 36 ( 14 ): 2912 - 2919 .

CHEN S, XIE C, ZHANG J. Advanced detection of Super-Nyquist WDM QPSK signals with 5-Bit/S/Hz spectral efficiency[C]. 2015 Optical Society of America, paper Th2A.11EI . 2015.

陈赛.超奈奎斯特速率光传输系统与数字信号处理技术研究[D].北京: 北京邮电大学. 2015.

CHEN S. Research of Super-Nyquist Optical Transmission Systems and Digital Signal Processing Techniques [D]. Beijing: University of Posts and Telecommunications of China. 2015. (in Chinese)

J MAZO . Faster-than-Nyquist signaling . Bell Labs Technical Journal , 1975 . 54 ( 8 ): 1451 - 1462 . http://d.old.wanfangdata.com.cn/Periodical/xtgcydzjs201605028 http://d.old.wanfangdata.com.cn/Periodical/xtgcydzjs201605028 .

D W PAN , C C LI , Y Q FENG , 等 . An effective carrier phase estimation scheme in Faster-than-Nyquist WDM transmission system . Photonic Network Communications , 2016 . 32 ( 2 ): 253 - 258 . http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=2eb86a043c910f3a6cb11cc8ba79f71c http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=2eb86a043c910f3a6cb11cc8ba79f71c .

C GIULIO , F TOMMASO , M ANDREA , 等 . Faster-than-Nyquist and beyond: how to improve spectral efficiency by accepting interference . Optics Express , 2011 . 19 ( 27 ): 26600 - 26609 . http://cn.bing.com/academic/profile?id=db9e6bdc2970124ecf0b974efe4d407b&encoded=0&v=paper_preview&mkt=zh-cn http://cn.bing.com/academic/profile?id=db9e6bdc2970124ecf0b974efe4d407b&encoded=0&v=paper_preview&mkt=zh-cn .

C GIULIO , F TOMMASO . Time-Frequency packing for high-capacity coherent optical links . IEEE Transactions on Communications , 2014 . 62 ( 8 ): 2986 - 2995 . http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=e1fc7241a9c917d57461d00a3300dac8 http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=e1fc7241a9c917d57461d00a3300dac8 .

K. IGARASHI , T. TSURITANI , I. MORITA . Polybinary shaping for highly spectral-efficient Super-Nyquist WDM QAM signals . Journal of Lightwave Technology , 2016 . 34 ( 8 ): 1724 - 1731 . http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=a452f41e802dc5ccdab1656340af3dfa http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=a452f41e802dc5ccdab1656340af3dfa .

N CHI , J Q ZHAO , Z X WANG . Bandwidth-efficient visible light communication system based on faster-than-Nyquist pre-coded CAP modulation . Chinese Optics Letters , 2017 . 15 ( 8 ): 080601 http://cn.bing.com/academic/profile?id=e39922f3d38df3ff52f1a9b8657ab8b0&encoded=0&v=paper_preview&mkt=zh-cn http://cn.bing.com/academic/profile?id=e39922f3d38df3ff52f1a9b8657ab8b0&encoded=0&v=paper_preview&mkt=zh-cn .

曹明华 , 胡秋 , 王惠琴 , 等 . 沙尘气象条件下基于隐训练序列的大气光通信信道估计 . 红外与激光工程 , 2019 . 48 ( S2 ): 115 - 122 . http://d.old.wanfangdata.com.cn/Periodical/hwyjggc2019z2016 http://d.old.wanfangdata.com.cn/Periodical/hwyjggc2019z2016 .

M H CAO , Q HU , H Q WANG , 等 . Atmospheric optical communications channel estimation employing superimposed training sequence under sand-dust weather conditions . Infrared and Laser Engineering , 2019 . 48 ( S2 ): 115 - 122 . http://d.old.wanfangdata.com.cn/Periodical/hwyjggc2019z2016 http://d.old.wanfangdata.com.cn/Periodical/hwyjggc2019z2016 .

赵太飞 , 王秀峰 , 王花 , 等 . 弱湍流中紫外光非直视分集接收技术的研究 . 红外与激光工程 , 2018 . 47 ( 12 ): 293 - 298 . http://d.old.wanfangdata.com.cn/Periodical/hwyjggc201812046 http://d.old.wanfangdata.com.cn/Periodical/hwyjggc201812046 .

T F ZHAO , X F WANG , H WANG , 等 . Research on ultraviolet non-line-of-sight diversity reception technology in weak turbulence . Infrared and Laser Engineering , 2018 . 47 ( 12 ): 293 - 298 . http://d.old.wanfangdata.com.cn/Periodical/hwyjggc201812046 http://d.old.wanfangdata.com.cn/Periodical/hwyjggc201812046 .

王惠琴 , 王雪 , 曹明华 . 相关信道中光多输入多输出系统的误码率 . 光学精密工程 , 2016 . 24 ( 9 ): 2142 - 2148 . http://www.eope.net/CN/abstract/abstract16533.shtml http://www.eope.net/CN/abstract/abstract16533.shtml .

H Q WANG , X WANG , M H CAO . Bit error rate of optical multiple input multiple output system in correlated channels . Opt. Precision Eng , 2016 . 24 ( 9 ): 2142 - 2148 . http://www.eope.net/CN/abstract/abstract16533.shtml http://www.eope.net/CN/abstract/abstract16533.shtml .

王惠琴 , 宋梨花 , 曹明华 , 等 . 湍流信道下光空间调制信号的压缩感知检测 . 光学精密工程 , 2018 . 26 ( 11 ): 2669 - 2674 . http://www.eope.net/CN/abstract/abstract17820.shtml http://www.eope.net/CN/abstract/abstract17820.shtml .

H Q WANG , L H SONG , M H CAO , 等 . Compressed sensing detection of optical spatial modulation signalin turbulent channel . Opt. Precision Eng , 2018 . 26 ( 11 ): 2669 - 2674 . http://www.eope.net/CN/abstract/abstract17820.shtml http://www.eope.net/CN/abstract/abstract17820.shtml .

X LI , T GENG , S MA , 等 . Performance improvement of coherent free-space optical communication with quadrature phase-shift keying modulation using digital phase estimation . Applied Optics , 2017 . 56 ( 16 ): 4695 - 4701 . http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=138c707d7f4b6397732c22f758b75b35 http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=138c707d7f4b6397732c22f758b75b35 .

岳浩.基于90°光混频器的零差相干光通信技术研究[D].成都: 电子科技大学, 2014. http://cdmd.cnki.com.cn/Article/CDMD-10614-1015704155.htm

YUE H. Research on Technology of Homodyne Coherent Optical Communication Based on 90°Hybrid [D]. Chengdu: University of Electronic Science and Technology of China. 2014. (in Chinese)

T H YU , M J ZHZO , J ZHONG . Low-complexity graph-based turbo equalisation for single-carrier and multicarrier FTN signaling . The Institution of Engineering and Technology , 2017 . 11 ( 7 ): 838 - 845 .

李晓燕 , 张鹏 , 佟首峰 . Gamma-Gamma大气湍流下零判决门限差分探测自由空间光通信系统误码率性能 . 中国激光 , 2017 . 44 ( 11 ): 1106001 http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=zgjg201711020 http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=zgjg201711020 .

X Y LI , P ZHANG , SH F TONG . Bit error rate performance of free space optical communication system based on differential detection with zero decision threshold under gamma-gamma atmospheric turbulence . Chinese Journal of Lasers , 2017 . 44 ( 11 ): 1106001 http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=zgjg201711020 http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=zgjg201711020 .

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