TY - JOUR
T1 - Thin Film Reconfigurable Intelligent Surface for Harmonic Beam Steering
AU - Xie, Boxuan
AU - Kuznetsov, Aleksandr D.
AU - Mela, Lauri
AU - Lietzen, Jari
AU - Ruttik, Kalle
AU - Karakoc, Alp
AU - Jantti, Riku
N1 - Publisher Copyright:
Authors
PY - 2024
Y1 - 2024
N2 - In this letter, we explore an implementation of a novel thin film 1times 4 reconfigurable intelligent surface (RIS) designed for future communication and sensing scenarios. Utilizing cost-effective inkjet printing methods and additive manufacturing, our approach significantly simplifies the RIS construction process and reduces production costs. The RIS, fabricated on a flexible and lightweight polyethylene terephthalate (PET) substrate, integrates antennas, switching circuitry, and a microcontroller unit (MCU), without a ground shield. This setup enables individual and simultaneous control of each RIS element, manipulating the captured carrier signal by reflecting and refracting its dominant harmonics. Beams of the harmonics can be steered to multiple desired directions at both front and back sides of the surface. Measurement results of the beam steering show that the RIS has the potential to enable RIS-aided communication and sensing applications.
AB - In this letter, we explore an implementation of a novel thin film 1times 4 reconfigurable intelligent surface (RIS) designed for future communication and sensing scenarios. Utilizing cost-effective inkjet printing methods and additive manufacturing, our approach significantly simplifies the RIS construction process and reduces production costs. The RIS, fabricated on a flexible and lightweight polyethylene terephthalate (PET) substrate, integrates antennas, switching circuitry, and a microcontroller unit (MCU), without a ground shield. This setup enables individual and simultaneous control of each RIS element, manipulating the captured carrier signal by reflecting and refracting its dominant harmonics. Beams of the harmonics can be steered to multiple desired directions at both front and back sides of the surface. Measurement results of the beam steering show that the RIS has the potential to enable RIS-aided communication and sensing applications.
KW - Antenna measurements
KW - Baseband
KW - Delays
KW - Harmonic analysis
KW - Reconfigurable intelligent surface
KW - Reconfigurable intelligent surfaces
KW - Sensors
KW - Three-dimensional printing
KW - additive manufacturing
KW - beam steering
KW - beamforming
KW - printed electronics
KW - sensing
UR - http://www.scopus.com/inward/record.url?scp=85200810453&partnerID=8YFLogxK
U2 - 10.1109/LSENS.2024.3438458
DO - 10.1109/LSENS.2024.3438458
M3 - Letter
AN - SCOPUS:85200810453
SN - 2475-1472
VL - 8
SP - 1
EP - 4
JO - IEEE Sensors Letters
JF - IEEE Sensors Letters
IS - 9
M1 - 6011004
ER -