Search Results for author: Michael Cheffena

Found 3 papers, 0 papers with code

A Novel Low-Complexity Peak-Power-Assisted Data-Aided Channel Estimation Scheme for MIMO-OFDM Wireless Systems

no code implementations8 Oct 2024 Inaamullah Khan, Mohammad Mahmudul Hasan, Michael Cheffena

By incorporating these reliable carriers with known pilot symbols as additional pilot signals, channel estimation accuracy significantly improves in MIMO-OFDM systems.

Communication Technologies for Smart Grid: A Comprehensive Survey

no code implementations22 Mar 2021 Fredrik Ege Abrahamsen, Yun Ai, Michael Cheffena

With the ongoing trends in the energy sector such as vehicular electrification and renewable energy, smart grid is clearly playing a more and more important role in the electric power system industry.

Survey

Secure Vehicular Communications through Reconfigurable Intelligent Surfaces

no code implementations30 Nov 2020 Yun Ai, Felipe A. P. de Figueiredo, Long Kong, Michael Cheffena, Symeon Chatzinotas, Björn Ottersten

Reconfigurable intelligent surfaces (RIS) is considered as a revolutionary technique to improve the wireless system performance by reconfiguring the radio wave propagation environment artificially.

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