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Author(s): Silva, M. M. da.
Gashtasbi, A.
Dinis, R.
Pembele, G.
Correia, A.
Guerreiro, J.
Date: 2024
Title: On the performance of partial LIS for 6G systems
Journal title: Electronics
Volume: 13
Number: 6
Reference: Silva, M. M. da., Gashtasbi, A., Dinis, R., Pembele, G., Correia, A., & Guerreiro, J. (2024). On the performance of partial LIS for 6G systems. Electronics, 13(6), Article 1035.
ISSN: 2079-9292
DOI (Digital Object Identifier): 10.3390/electronics13061035
Keywords: LIS systems
Receiver types
Abstract: One of the key technologies of 6G communications relies on large intelligent surfaces (LIS), which can be viewed as a near-field beamformer that is supportive of extremely high symbol rates and enables a high level of interference avoidance. This article focuses on LIS systems, analysing the impact of the use of a whole LIS system or a subset of an antenna array. We analyse an LIS system associated with a single carrier with frequency domain equalization (SC-FDE), and with different receiver types of varying complexities. Because it is a function of the number of antennas, the computational complexity decreases when antenna elements that are closer to the user equipment are used instead of the whole LIS. Moreover, with a partial LIS, a reduction of energy consumption is achieved, and mitigation of the interference levels is obtained, allowing a performance very close to that obtained with the whole LIS system.
Peerreviewed: yes
Access type: Open Access
Appears in Collections:IT-RI - Artigos em revistas científicas internacionais com arbitragem científica

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