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Published at November 27

A Novel Q-stem Connected Architecture for Beyond-Diagonal Reconfigurable Intelligent Surfaces

cs.IT

eess.SP

math.IT

Released Date: November 27, 2024

Authors: Xiaohua Zhou¹, Tianyu Fang², Yijie Mao¹

Aff.: ¹School of Information Science and Technology, ShanghaiTech University, Shanghai 201210, China; ²Centre for Wireless Communications, University of Oulu, Finland

Arxiv: http://arxiv.org/abs/2411.18480v1

Architecture	Reference	Circuit Complexity
Single connected RIS	[4]	$N$
Group connected RIS	[2]	${N}(N/G+1)/2$
Fully connected RIS	[2]	${N(N+1)}/2$
Tree connected RIS	[5]	$2N-1$
Q-Stem connected RIS	Proposed	$QN+N-{Q(Q+1)}/2$