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Computer Science > Information Theory

arXiv:2303.08327 (cs)
[Submitted on 15 Mar 2023 (v1), last revised 13 Jun 2023 (this version, v2)]

Title:Channel Measurement and Coverage Analysis for NIRS-Aided THz Communications in Indoor Environments

Authors:Yuanbo Li, Yiqin Wang, Yi Chen, Ziming Yu, Chong Han
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Abstract:Due to large reflection and diffraction losses in the THz band, it is arguable to achieve reliable links in the none-line-of-sight (NLoS) cases. Intelligent reflecting surfaces, although are expected to solve the blockage problem and enhance the system connectivity, suffer from fabrication difficulty and operation complexity. In this work, non-intelligent reflecting surfaces (NIRS), which are simply made of costless metal foils and have no signal configuration capability, are adopted to enhance the signal strength and coverage in the THz band. Channel measurements are conducted in typical indoor scenarios at 306-321 GHz and 356-371 GHz bands to validate the effectiveness of the NIRS. Results measured with NIRS in different sizes show that large NIRS performs much better than small NIRS. Furthermore, by invoking the NIRS, the additional reflection loss can be reduced by more than 10~dB and the coverage ratio is increased by up to 39$\%$ for a 10~dB signal-to-noise ratio (SNR) threshold.
Comments: 5 figures, 2 tables
Subjects: Information Theory (cs.IT)
Cite as: arXiv:2303.08327 [cs.IT]
  (or arXiv:2303.08327v2 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2303.08327

Submission history

From: Yuanbo Li [view email]
[v1] Wed, 15 Mar 2023 02:28:13 UTC (9,129 KB)
[v2] Tue, 13 Jun 2023 07:23:40 UTC (3,299 KB)
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