基于散射自由程随机重采样的光量子定位方法

doi:10.11959/j.issn.1000-436x.2023053

通信学报 ›› 2023, Vol. 44 ›› Issue (3): 55-65.doi: 10.11959/j.issn.1000-436x.2023053

基于散射自由程随机重采样的光量子定位方法

周牧¹^,², 张靖¹^,², 王勇¹^,², 杨小龙¹^,², 李玲霞¹^,²

¹ 重庆邮电大学通信与信息工程学院，重庆 400065
² 移动通信教育部工程研究中心，重庆 400065

修回日期:2022-10-05 出版日期:2023-03-25 发布日期:2023-03-01
作者简介:周牧（1984- ），男，四川自贡人，博士，重庆邮电大学教授、博士生导师，主要研究方向为无线定位与感知、量子精密测量、多源信息融合与机器学习等
张靖（1998- ），女，重庆人，重庆邮电大学硕士生，主要研究方向为量子定位技术
王勇（1987- ），男，云南昭通人，博士，重庆邮电大学副教授、硕士生导师，主要研究方向为毫米波雷达手势识别技术、生命信号检测方法、量子成像与识别技术等
杨小龙（1987- ），男，四川安岳人，博士，重庆邮电大学讲师、硕士生导师，主要研究方向为无线感知与定位、量子精密测量、认知无线电技术等
李玲霞（1976- ），女，湖北武穴人，重庆邮电大学高级工程师、硕士生导师，主要研究方向为未来移动通信理论与技术、宽带无线接入技术等
基金资助:
国家自然科学基金资助项目(62101085);重庆市自然科学基金资助项目(CSTB2022NSCQ-MSX0895);重庆市教委科学技术研究基金资助项目(KJZD-K202000605);重庆市技术创新与应用发展专项基金资助项目(S2022-02N);重庆市研究生科研创新基金资助项目(CYS21295);重邮信通青创团队支持计划基金资助项目(SCIE-QN-2022-06)

Optical quantum positioning method based on random resampling of scattering free path

Mu ZHOU¹^,², Jing ZHANG¹^,², Yong WANG¹^,², Xiaolong YANG¹^,², Lingxia LI¹^,²

¹ School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
² Engineering Research Center of Mobile Communications, Ministry of Education, Chongqing 400065, China

Revised:2022-10-05 Online:2023-03-25 Published:2023-03-01
Supported by:
The National Natural Science Foundation of China(62101085);The Chongqing Natural Science Foundation Project(CSTB2022NSCQ-MSX0895);The Science and Technology Research Program of Chongqing Municipal Education Commission(KJZD-K202000605);The Special Project of Chongqing Technology Innovation and Application Development(S2022-02N);The Postgraduate Scientific Research and Innovation Project of Chongqing(CYS21295);The Youth Innovation Group Support Program of ICE Discipline of CQUPT(SCIE-QN-2022-06)

摘要/Abstract

摘要：

为了解决量子信号受散射环境干扰，导致定位误差波动大且定位稳健性差的问题，提出了一种基于散射自由程随机重采样的光量子定位方法。基于蒙特卡罗思想建立散射模型，结合环境信息和符合计数结果构建散射自由程矩阵。对散射自由程序列进行重采样，计算不同光源各时间分组下相对距离误差，以此动态选择光源，并实现对目标物体的位置估计。实验结果表明，所提方法定位误差为厘米级，且定位误差在0.12 m内的置信概率达90.57%。

关键词: 量子定位, 散射自由程, 符合计数, 随机重采样, 光源选择

Abstract:

To solve the problem that the quantum signal was disturbed by the scattering environment, which lead to large fluctuation of the positioning error and poor positioning robustness, an optical quantum positioning method based on random resampling of the scattering free path was proposed.The scattering model was established based on the Monte Carlo theory, and the scattering free path matrix was constructed by combining the environment information and coincidence counting results.The scattering free program was resampled, and the relative distance error of different light sources in different time groups was calculated.Based on that, the light sources were dynamically selected, and the position of the target object was estimated.Experimental results show that the positioning error of the proposed method can achieve the centimeter level, and the confidence probability of the positioning error within 0.12 m is 90.57%.

Key words: quantum positioning, scattering free path, coincidence counting, random resampling, light source selection

中图分类号:

TN929.1

周牧, 张靖, 王勇, 杨小龙, 李玲霞. 基于散射自由程随机重采样的光量子定位方法[J]. 通信学报, 2023, 44(3): 55-65.

Mu ZHOU, Jing ZHANG, Yong WANG, Xiaolong YANG, Lingxia LI. Optical quantum positioning method based on random resampling of scattering free path[J]. Journal on Communications, 2023, 44(3): 55-65.

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参数	取值
消光系数/km^-1	2.058
激光器功率/mW	40
非线性晶体尺寸	1mm×2 mm×20 mm
温度控制器精度	0.01 °C
同步与符合模块时间测量范围/ms	≥1
单光子探测器死时间/ns	≤ 20
单光子探测器暗计数频率/Hz	＜ 500
单光子探测器饱和计数频率/MHz	35
单光子探测器探测效率	＞ 60%
单光子时间分辨率/ps	350

光源序号	符合计数峰值
光源序号	K=1×10⁴	K=1×10⁵	K=5×10⁵	K=1×10⁶	K=2×10⁶
1	4	15	54	105	194
2	6	30	130	277	519
3	8	50	191	372	725
4	15	76	383	746	1 563
5	14	93	494	949	1 856

基于散射自由程随机重采样的光量子定位方法

Optical quantum positioning method based on random resampling of scattering free path

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