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non-orthogonal transmission for User and Control Plane Split Architecture in 5G Systems and Beyond: Performance Analysis and Design Insights

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China Communications 2022年第11期19卷 179-194页

作者： Xianling Wang Haijun Zhang Yitong Liu Chen Zhu Yue Tian Fujian Key Laboratory of Communication Network and Information Processing Xiamen University of TechnologyXiamen 361024China University of Science and Technology Beijing Beijing 100083China Beijing University of Posts and Telecommunications Beijing 100876China

In next generation networks,mobility management will be a critical issue due to dense base station(BS)deployment,for which user and control plane split architecture provides a promising *** designing such architecture with nonorthogonal transmission brings in more flexibility to further improve system *** paper proposes a non-orthogonal transmission design for user and control plane split *** this design,user equipments(UEs)will select the BS providing the strongest received signal to associate its data channel,but constantly connect its control channel to the nearest macro-cell BS(MBS).Upon non-orthogonal transmission,an MBS can multiplex data traffics and control signals on the same *** geometry based analysis is carried out to investigate outage probability,which extends its regular definition by jointly considering data and control channels,and then mobility-aware outage *** results show that:1)The proposed split architecture alleviates the increase in handover rate for ultra dense networking,compared with conventional architecture.2)non-orthogonal transmission outperforms traditional orthogonal transmission in the split architecture,because it is capable of accommodating more control channels.3)By carefully adjusting power levels,minimum outage probabilities can be reached for macrocell UEs in the proposed design.

关键词： heterogeneous networks mobility management non-orthogonal transmission split architecture stochastic geometry

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Application Scenarios and Enabling Technologies of 5G

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China Communications 2014年第11期11卷 69-79页

作者： YUAN Yifei ZHU Longming Next-generation Wireless Innovation Program ZTE 19 Huayuan Dong Road Haidian District Beijing 100191 P.R.China

Fast growth of mobile internet and internet-of-things has propelled the concept formation and research on 5G wireless communications systems which are to be standardized around 2020(IMT-2020).There will be diverse application scenarios expected for 5G ***,key performance indicators(KPIs) of 5G systems would be very diverse,not just the peak data rate and average/edge spectral efficiency requirements as in previous *** each typical scenario,multiple technologies may be used independently or jointly to improve the transmission efficiency,to lower the cost,and to increase the number of connections,*** enabling technologies are discussed which include massive MIMO,ultradense deployment specific techniques,nonorthogonal transmission,high frequency communications,etc.

关键词： 5G IMT-2020 ultra-dense networks massive MIMO non-orthogonal transmission

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