基于毫米波和轨道角动量的下一代手机无线通信技术设计
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摘要
在第四代通信技术中,由于带宽有限和通信技术的限制,固有的通信技术很难将通信的性能大幅提升。因此将毫米波和轨道角动量技术结合进行仿真,为基于两种技术的下一代手机通信系统提供理论上的可能性。传统的研究仅将轨道角动量和毫米波运用于室内短距离点对点信号传输,不能体现在区域中的网络表现,不适用于实际情况中。本研究使用全新的区域分布模型和阈值判断算法,从而更真实的表现用户与基站的分布。为改善通信系统,多输入输出系统(MIMO)、多频复用技术和奇异值分解法(SVD)将被用于仿真中的模型建立。蒙特卡洛算法将在仿真中应用,从而得到通信系统最接近现实的仿真。为突出优势,第四代通信技术的模型也将在仿真中建立。仿真结果表明,毫米波和轨道角动量模型可以在区域中正常使用并且各种表现大大优于第四代通信技术。
Due to the limitation of bandwidth and communication technologies in 4 G, it is difficult to improve mobile wireless network effectively. However, mm-Wave provides a wide bandwidth and OAM supplies a new modulation way. In this research, these two methods are combined to improve the next generation mobile wireless network. Former researches are mainly about indoor short distance line of sight(LOS) wireless communication. It cannot be used in practice. This research creates brand new algorithms to simulate users and environment in real lives. These methods called Stochastic Geometry Model and Threshold Model. In order to improve the performance, MIMO, Multiple Frequency Reuse and SVD are used in this article. Monte-Carlo Simulation is used to get the normal situation. Moreover, 4 G model is built and compared to the new model. Finally, it can be seen that this new idea can be used in mobile communication and its performance is much better than that of 4 G.
Due to the limitation of bandwidth and communication technologies in 4 G, it is difficult to improve mobile wireless network effectively. However, mm-Wave provides a wide bandwidth and OAM supplies a new modulation way. In this research, these two methods are combined to improve the next generation mobile wireless network. Former researches are mainly about indoor short distance line of sight(LOS) wireless communication. It cannot be used in practice. This research creates brand new algorithms to simulate users and environment in real lives. These methods called Stochastic Geometry Model and Threshold Model. In order to improve the performance, MIMO, Multiple Frequency Reuse and SVD are used in this article. Monte-Carlo Simulation is used to get the normal situation. Moreover, 4 G model is built and compared to the new model. Finally, it can be seen that this new idea can be used in mobile communication and its performance is much better than that of 4 G.
引文
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[5] Tracy,P.What ismmWave and how does it fit into 5G [OL].Available at:http://www.rcrwireless.com/20160815/fundamentals/mmwave-5g-tag31-tag99 [2017/2018].
[6] JANAKIRAMAN,S AND MARICHAMY,P.Propagation Characteristics of Millimeter- Wave Band for 5G Mobile Communications.[J] Indian Journal of Science and Technology,2015:8(26).
[7] BIALYNICKI-BIRULA I AND BIALYNICKA-BIRULA Z.Beams of electromagnetic radiation carrying angular momentum:The Riemann–Silberstein vector and the classical–quantum correspondence.[J] Optics Communications,2006,264(2):342-351.
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[9] 刁维愿.轨道角动量天线通信天线的设计与研究[D].成都:电子科技大学,2018.
[10] JANAKIRAMAN,S.AND MARICHAMY,P.(2015).Propagation Characteristics of Millimeter-Wave Band for 5G Mobile Communications[J].Indian Journal of Science and Technology,2017,8(26).
[11] RICIAN FADING[OL].Available at:http://ece-research.unm.edu/bsanthan/ece541/note2.pdf [2016/2018].
[12] ALOUINIM S AND GOLDSMITH A.Area spectral efficiency of cellular mobile radio Systems,1997 IEEE 47th Vehicular Technology Conference[C].Technology in Motion,Phoenix,1997(2):652-656.
[13] 潘鑫.基于空间泊松点过程与社交网络的D2D通信的研究[D].北京:北京交通大学,2016.
[14] Daniel S.Wireless Communication and MobileNetwork.Available[OL].at :www.blackboard.manchester.ac.uk/wireless_communication,[2015/2018].
[15] 蒋红梅,伍玉霞.5G移动通信关键技术综述[J].广西通信技术,2015(4):1-3.