首页|Optimization-based mode selection scheme for OAM millimeter wave system in the off-axis misalignment case

Optimization-based mode selection scheme for OAM millimeter wave system in the off-axis misalignment case

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Millimeter-wave transmission combined with Orbital Angular Momentum(OAM)has the advantage of reducing the loss of beam power and increasing the system capacity.However,to fulfill this advantage,the antennas at the transmitter and receiver must be parallel and coaxial;otherwise,the accuracy of mode detection at the receiver can be seriously influenced.In this paper,we design an OAM millimeter-wave communication system for over-coming the above limitation.Specifically,the first contribution is that the power distribution between different OAM modes and the capacity of the system with different mode sets are analytically derived for performance analysis.The second contribution lies in that a novel mode selection scheme is proposed to reduce the total interference between different modes.Numerical results show that system performance is less affected by the offset when the mode set with smaller modes or larger intervals is selected.

Orbital angular momentumMillimeter waveOff-axis misalignmentMode selectionCapacity

Haie Dou、Lei Wang、Bin Kang、Baoyu Zheng

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Key Lab of Broadband Wireless Communication and Sensor Network Technology(Nanjing University of Posts and Telecommunications),Ministry of Education,Nanjing,210003,China

School of Internet of Things,Nanjing University of Posts and Telecommunications,Nanjing,210003,China

国家自然科学基金国家自然科学基金国家自然科学基金Major Projects of the Natural Science Foundation of the Jiangsu Higher Education InstitutionsOpen Research Fund of Key Lab of Broadband Wireless Communication and Sensor Network Technology(Nanjing University of Posts 教育部项目open research fund of National and Local Joint Engineering Laboratory of RF Integration and Micro-Assembly Technology,NanjinResearch Fund of Nanjing University of Posts and TelecommunicationsHenan province science and technology research projects(High and new technology)

62071255621712326177125720KJA510009JZNY201914KFJJ20170305NY218012182102210106

2024

10.1016/j.dcan.2022.10.021

数字通信与网络(英文)

数字通信与网络(英文)

ISSN：
年,卷(期)：2024.10(1)
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