Intelligent Reflecting Surfaces in Wireless Networks

The field of wireless networks is undergoing significant advancements with the integration of Intelligent Reflecting Surfaces (IRS). Researchers are moving beyond the traditional transmitter-centric design and exploring new architectures that incorporate IRS as a connected, hybrid entity functioning across both the physical layer and upper network layers. This shift enables the creation of more efficient and secure wireless networks. Notably, the concept of Internet of IRS (IoIRS) is gaining traction, which reconceives IRS as a key component of future wireless networks. The use of dual-polarized intelligent surfaces and movable signals is also being investigated, showing promising results in terms of performance enhancement. Furthermore, the application of IRS in covert communications and low-power mobile satellite communications is being explored, demonstrating the versatility of this technology. Noteworthy papers include:

  • One proposing the IoIRS architecture, which integrates IRS into higher network layers.
  • Another presenting a low-power double RIS-assisted mobile LEO satellite communication architecture that reduces power consumption.
  • A paper introducing RIS-assisted adaptive spatial modulation and space shift keying schemes that enhance spectral efficiency and physical layer security.
  • Research on movable signals with dual-polarized fixed intelligent surfaces that outperform traditional RIS.
  • An analysis of fluid reconfigurable intelligent surfaces in covert communications, showing improved reliability and covertness.

Sources

Internet of Intelligent Reflecting Surfaces (IoIRS)

Low-Power Double RIS-Assisted Mobile LEO Satellite Communications

From Reliability to Security: How RIS-Assisted Adaptive SM and SSK Enhances Wireless Systems

Movable Signals with Dual-Polarized Fixed Intelligent Surfaces: Beyond Diagonal Reflection Matrices

Performance Analysis of Fluid Reconfigurable Intelligent Surface over Covert Communications

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