A Novel Wireless Communication System using Programmable Metasurface Operating at 28 GHz

Li, Yueheng; Wan, Xiang; Eisenbeis, Joerg; Long, Xueyun; Jozwicka, Maria; Cui, Tiejun; Zwick, Thomas

doi:10.1109/icmmt49418.2020.9386603

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…The functions of steerable sum and difference beams were realized. In addition, the beemsteering performance was analyzed in [54]- [57], which can achieve precise tracking with an angle mismatch of 0.5 • -2.5 • and minimizes the beam training overhead through flexible beam refinement.…”

Section: Ris Channel Measurements and Experimentsmentioning

confidence: 99%

Reconfigurable Intelligent Surfaces: Channel Characterization and Modeling

et al. 2022

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Reconfigurable intelligent surfaces (RISs) are two dimensional (2D) metasurfaces which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is viewed as a potential key technology for the sixth generation (6G) wireless communication systems mainly due to its advantages in tuning wireless signals, thus smartly controlling propagation environments. In this paper, we aim at addressing channel characterization and modeling issues of RISassisted wireless communication systems. At first, the concept, principle, and potential applications of RIS are given. An overview of RIS based channel measurements and experiments is presented by classifying frequency bands, scenarios, system configurations, RIS constructions, experiment purposes, and channel observations. Then, RIS based channel characteristics are studied, including reflection and transmission, Doppler effect and multipath fading mitigation, channel reciprocity, channel hardening, rank improvement, far field and near field, etc. RIS based channel modeling works are investigated, including largescale path loss models and small-scale multipath fading models. At last, future research directions related to RIS-assisted channels are also discussed.Index Terms-6G wireless communications, reconfigurable intelligent surface (RIS), channel measurements, channel characteristics, channel modeling.

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Section: Ris Channel Measurements and Experimentsmentioning

confidence: 99%

Reconfigurable Intelligent Surfaces: Channel Characterization and Modeling

et al. 2022

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Absorption-transmission-type multifunctional coding metasurface

Chen¹,

Li²,

Zhang³

et al. 2022

J. Phys. D: Appl. Phys.

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Reflection- and transmission-type metasurfaces have great potentials in wireless communications. In this letter, we propose an absorption-transmission-type multifunctional coding metasurface composed of an absorptive layer and a transmissive layer. For incident waves at different frequencies with different polarizations, the proposed coding metasurface can perform three different functions independently: wave absorption at low frequencies, vortex-wave generation for the x-polarized wave and beam deflection for the y-polarized wave at high frequencies. Both numerical and experimental results verify the excellent performance of low-frequency absorptions and high-frequency dual-polarization transmissions. This work provides a method for developing multifunctional and reconfigurable components for the wireless communications in the future.

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A Novel Wireless Communication System using Programmable Metasurface Operating at 28 GHz

Cited by 2 publications

References 7 publications

Reconfigurable Intelligent Surfaces: Channel Characterization and Modeling

Reconfigurable Intelligent Surfaces: Channel Characterization and Modeling

Absorption-transmission-type multifunctional coding metasurface

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