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Ultra Dense Network:Challenges,Enabling Technologies and New Trends

China Communications 2016年第2期13卷 30-40页

作者： HAO Peng YAN Xiao Yu-Ngok Ruyue YUAN Yifei ZTE Corporation Shenzhen China

5G sets an ambitious goal of increasing the capacity per area of current 4G network by 1000 fold. Due to the high splitting gain of dense small cells, ultra dense network(UDN) is widely considered as a key component in achieving this goal. In this paper, we outline the main challenges that come with dense cell deployment, including interference, mobility, power consumption and backhaul. Technologies designed to tackle these challenges in long term evolution system(LTE) and their deficiencies in UDN context are also analyzed. To combat these challenges more efficiently, a series of technologies are introduced along with some of our initial research results. Moreover, the trends of user-centric and peer-to-peer design in UDN are also elaborated.

关键词： 5G ultra dense network cellvirtualization virtual receiver self-backhaul user-centric access

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An intelligent wireless transmission toward 6G

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Intelligent and Converged Networks 2021年第3期2卷 244-257页

作者： Ping Zhang Lihua Li Kai Niu Yaxian Li Guangyan Lu Zhaoyuan Wang State Key Laboratory of Networking and Switching Technology and the School of Information and Communication EngineeringBeijing University of Posts and TelecommunicationsBeijing 100876China Key Laboratory of Universal Wireless Communications Ministry of Educationand the School of Artificial IntelligenceBeijing University of Posts and TelecommunicationsBeijing 100876China

With the deployment and commercial application of 5G,researchers start to think of 6G,which could meet more diversified and deeper intelligent communication *** this paper,a four physical elements,i.e.,man,machine,object,and genie,featured 6G concept is *** is explained as a new element toward *** paper focuses on the genie realization as an intelligent wireless transmission toward 6G,including sematic information theory,end-to-end artificial intelligence(AI)joint transceiver design,intelligent wireless transmission block design,and user-centric intelligent access.A comprehensive state-of-the-art of each key technology is presented and main questions as well as some novel suggestions are *** will work comprehensively in 6G wireless communication and other major industrial vertical,while its realization is concrete and step by *** is realized that genie-based wireless communication link works with high intelligence and performs better than that controlled manually.

关键词： 6G man-machine-object-genie sematic information end-to-end AI transceiver AI empowered wireless transmission user-centric access

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