The intelligent reflecting surface (IRS) aided wireless communication system, where the IRS has emerged as the revolutionizing solution to enhance wireless communications by intelligently changing the propagation environment.
One of the aims of the wireless communication system with IRS is to minimize the transmit power while guaranteeing the qualities of both primary and secondary transmissions. As in communication between a multiple antenna Base Station (BS) and a single antenna user, assisted by an Intelligent Reflecting Surface (IRS); and Due to the large number of elements in IRS, acquiring Channel State Information (CSI) requires many radio-frequency chains and considerable training overhead.
Therefore, what is a new method based on the Optimization to optimize the problem of beamforming at the BS and IRS without CSI, by minimizing the transmit power, subject to a minimum signal-to-noise ratio (SNR)?
Dear Abbas,
I suggest you to see links and attached files on topic.
https://pimrc2021.ieee-pimrc.org/reconfigurable-intelligent-surfaces-for-future-wireless-communications/
https://core.ac.uk/display/265057291
Article Wireless Communications Through Reconfigurable Intelligent Surfaces
Best regards
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