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涡旋电磁波轨道角动量传输技术.pdf
76
8页
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2022-04-14
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2021/12/DTPT
收稿日期2021-11-15
1 概述
5 B5G 6 6G
线 2020 Horizon 2020 B5G
FCC开放 THz
6G 6G 线
。国联盟ITU立了研究
1
2019 IMT2030
2
6G
主要营商和制商,以及相关校和研究构。
6G 1 Tbit/s
μs 5G
5G 6G
1-5
6G 线
Vortex Electromagnetic Waves Transmission
with Orbital Angular Momentum
关键
6G线
量子
doi10.12045/j.issn.1007-3043.2021.12.002
文章编号1007-3043202112-0006-08
中图分类号:TN929.5
文献标识码:A
开放科学资源服标识OSID
要:
OAM
OAM OAM 2 OAM
子的 OAM OAM 量形线
OAM OAM 面的
线 MI-
MO OAM OAM
信体说明 OAM 超越线 MIMO 界后
OAM 维度的新 MIMO 量界
Abstract
Electromagnetic(EMwaves carrying orbital angular momentum(OAM)are called vortex EM waveswhich can be further
divided into the quantum OAM waves and the statistical OAM waves. Furthermorethe intrinsic OAM of each EM wave pho-
ton in the quantum OAM waves is non-zero. Then,the quantum OAM waves can be utilized to form a new dimension of
wireless transmission. Correspondingly,the statistical OAM waves use the extrinsic OAM of the EM wave photon to form the
statistical beams with the orthogonal helical phase fronts. Because of the tight coupling relationship between the statistical
vortex beam and the space domain,the statistical vortex beam can be equivalently considered as a special case of the tradi-
tional MIMO system. It introduces the transmission technologies and communication systems of the quantum OAM waves
and the statistical OAM waves. In addition,it is shown that the capacity bound of the traditional MIMO system can be sur-
passed by using OAM to form a new MIMO capacity bound with the OAM dimension.
Keywords
6GOrbital angular momentum;Vortex electromagnetic wavesWireless communicationElectromagnetic wave photon
谢翔何耀 清华大学航天航空学院航空宇航电子系统验室北京 100084
Xie XiangdongHe YaoyuZhang ChaoLabs of AvionicsSchool of Aerospace EngineeringTsinghua UniversityBeijing 100084Chi⁃
na
谢翔东,耀宇
涡旋电磁波轨道角动量传输技
本期
Monthly Topic
引用式:翔东何耀宇, . 旋电磁波轨道角动量传技术J. 电设计技术,2021126- 13.
06
邮电计技/2021/12
OAM线
了较广泛的关
6-10
OAM OAM
ML
2
T
-1
MLT
-3
I
-1
线
M 为质L 度,T 为温I
彼此立。经典动力和量子电力学QED理论
SAM
OAM
11
OAM
OAM
OAM 态的性,
行无线传输可以大地提升谱效率和输容量。
OAM OAMIntrinsic OAM
OAMExtrinsic OAM
12-15
由大电磁子构 OAM 了电
OAM OAM
OAM OAM
外界间坐的不发生外部 OAM
内禀 OAM地月系统太阳转表示外 OAM
OAM OAM
OAM OAM
OAM OAM 不为
OAM OAM
的外 OAM
OAM 线
OAM OAM
OAM OAM
OAM OAM
线
OAM 提出以来重要的研对象
OAM OAM 线线
线
平面微观看统 OAM
螺旋 1 计意
OAM 磁波和接是利线,以直
是电 OAM
电场度来计算 OAM 态,成统波束
域的耦合没有体现 OAM 所具物理
OAM
点认其可以被为多天线 MIMO 特例
17-18
文概电磁 OAM 传输发展
OAM OAM 电磁
OAM
OAM 磁波
容量确了旋电磁波 OAM 传输技术主要优点
2 OAM 输技展历
OAM 主要
1989 Coullet
21
1992 Allen
OAM
22
1994
OAM 1.1 km1.6
Tbit/s
23
2011 Bozinovic 2
OAM 0.9 km
24
2012 1.1 km
400 Gbit/s QPSK OAM 模式
-14.8 dB - 19.7
dB
25
2015 Allen
QPSK 4 OAM 100 Gbit/
s
26
OAM 1909
Poynting
27
1996 Turnbull
1 旋电磁波相位面及其能量分
19-20
能量
分布
l=-2 l=-1 l=0 l=1 l=2
相位
分布
OAM
模态
螺旋
波阵
谢翔东,耀宇
涡旋电磁波轨道角动量传输技
本期
Monthly Topic
07
of 8
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