Random access for massive Internet of things:current status, challenges and opportunities

Random access for massive Internet of things:current status, challenges and opportunities

In conventional communication systems, the random access (RA) is a necessary procedure for a user equipment (UE) to establish wireless connection to the network before actual data transmission.Focusing on the massive IoT with large number of nodes, the fundamental characteristics and limitations of...

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Bibliographic Details
Main Authors: Pingzhi FAN, Li LI, Huan CHEN, Gaofeng CHENG, Linjie YANG, Xiaobo TANG
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2021-04-01
Series:Tongxin xuebao
Subjects:
massive Internet of things
random access
grant-free
unsourced random access
non-orthogonal multiple access
Online Access:http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2021098/
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