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		题名	作者	年代	出处	被引量
	1	Analysis of irregular repetition spatially-coupled slotted ALOHA显示文摘Contention-based access is a promising technology for massive and sporadic transmissions. In this paper, we propose a novel contention-based multiple access scheme, named irregular repetition spatiallycoupled slotted ALOHA(IRSC-SA), motivated by the spatial coupling and irregular repetition techniques.There are different classes of users and slots in IRSC-SA, which result in unequal protection for different users. Considering that, we derive a novel density evolution(DE) method, which deals with unequal packet protection and introduces Bayesian reasoning to analyze the throughput threshold of the proposed IRSC-SA.Theoretical analysis and simulation results show that the proposed scheme achieves better asymptotic threshold and system packet throughput performance than the conventional spatially-coupled slotted ALOHA.	Hanxiao YU Zesong FEI Congzhe CAO Ming XIAO Dai JIA Neng YE	2019	Science China(Information Sciences)2019，62，8：	1

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