基于波前校正的轨道角动量复用通信系统抗干扰研究

邹丽; 王乐; 张士兵; 赵生妹

doi:10.11959/j.issn.1000-436x.2015264

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基于波前校正的轨道角动量复用通信系统抗干扰研究

学术论文 | 更新时间：2024-06-05

- 基于波前校正的轨道角动量复用通信系统抗干扰研究
- Compensation of orbital-angular-momentum multiplexed communication system with wavefront correction
- 通信学报 2015年36卷第10期页码：76-84
- 作者机构：
  
  1. 南京邮电大学通信与信息工程学院，江苏南京 210003
  2. 南通大学电子信息学院，江苏南通 226019
  3. 南京邮电大学宽带无线通信与传感网技术教育部重点实验室，江苏南京 210003
- 作者简介：
  
  [ "邹丽（1981-），女，江苏南通人，南京邮电大学博士生，南通大学讲师，主要研究方向为自由空间光通信和无线宽带通信技术。" ]
  [ "王乐（1990-），男，安徽祁门人，南京邮电大学博士生，主要研究方向为自由空间光通信和量子信息处理。" ]
  [ "张士兵（1962-），男，江苏海门人，南通大学教授、博士生导师，主要研究方向为宽带数字通信、通信信号处理、认知无线电等。" ]
  [ "赵生妹（1968-），女，江苏丹徒人，南京邮电大学教授、博士生导师，主要研究方向为无线通信与信号处理技术和量子通信技术。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61371111);国家自然科学基金资助项目(61371112);国家自然科学基金资助项目(61475075);教育部高等学校博士学科点专项科研基金资助项目(20123223110003);江苏省高校研究生科研创新计划基金资助项目(CXZZ13_0489)
- DOI：10.11959/j.issn.1000-436x.2015264
  中图分类号： TN929.12
- 网络出版日期：2015-10，
  
  纸质出版日期：2015-10-25
- 稿件说明：
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邹丽, 王乐, 张士兵, 等. 基于波前校正的轨道角动量复用通信系统抗干扰研究[J]. 通信学报, 2015,36(10):76-84.

Li ZOU, Le WANG, Shi-bing ZHANG, et al. Compensation of orbital-angular-momentum multiplexed communication system with wavefront correction[J]. Journal on communications, 2015, 36(10): 76-84.
邹丽, 王乐, 张士兵, 等. 基于波前校正的轨道角动量复用通信系统抗干扰研究[J]. 通信学报, 2015,36(10):76-84. DOI： 10.11959/j.issn.1000-436x.2015264.

Li ZOU, Le WANG, Shi-bing ZHANG, et al. Compensation of orbital-angular-momentum multiplexed communication system with wavefront correction[J]. Journal on communications, 2015, 36(10): 76-84. DOI： 10.11959/j.issn.1000-436x.2015264.

摘要

基于轨道角动量(OAM

orbital angular momentum)复用自由空间光(FSO

free-space optical)通信系统不可避免地受到大气湍流的干扰。针对OAM复用通信系统，提出一种基于Gerchberg-Saxton相位校正的大气湍流干扰影响补偿方法。利用Gerchberg-Saxton相位恢复算法校正由大气湍流导致的OAM态复用光波前相位扭曲。数值仿真结果证实，该方法很好地抑制了大气湍流引起的 OAM 态复用串扰。在大气湍流折射率结构指数常数

m时，系统误码率比没有使用Gerchberg-Saxton算法的要下降2到3个数量级。

Abstract

It was shown that the quality of free-space optical communication system using OAM(orbital angular momentum)multiplexing was inevitably degraded by AT(atmospheric turbulence).A wavefront phase correction based on Gerchberg-Saxton algorithm to mitigate the wave front phase distortion of the OAM-multiplexed system transmitting through AT was proposed.The simulation results show that the crosstalk caused by AT decreases by using the proposed scheme.When the refractive index structure constant of AT

is lower than

the BER(bit error rate)performance is decreased by two or

three orders of magnitude with the proposed scheme.

关键词

Keywords

references

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