May 13, 2020 · We aim to optimize the beamforming at the BS and IRS without CSI, by minimizing the transmit power, subject to a minimum signal-to-noise ratio (SNR).

We aim to optimize the beamforming at the BS and IRS without. CSI, by minimizing the transmit power, subject to a minimum signal-to-noise ratio (SNR). To solve ...

We aim to optimize the beamforming at the BS and IRS without CSI, by minimizing the transmit power, subject to a minimum signal-to-noise ratio (SNR). To solve ...

Jun 9, 2022 · Note that it is of great interest to develop robust beamforming designs for the case of imperfect CSI, which, however, goes beyond the scope ...

A new approach is proposed in order to optimize beamforming at the BS and the phase shifts at the IRS without considering any knowledge of I-CSI.

Mar 20, 2022 · Results show that the developed algorithms can approach beamforming with I-CSI but with significantly reduced channel estimation overhead.

Feb 20, 2023 · We propose a novel strategy called blind beamforming that coordinates multiple IRSs by means of statistics without knowing CSI.

Beamforming Optimization for Wireless Network Aided by Intelligent Reflecting Surface With Discrete Phase Shifts · Intelligent Reflecting Surface Enhanced ...

BEAMFORMING WITHOUT CSI. The discussion in the paper thus far assumes perfect CSI. We now provide a blind beamforming scheme that is capable of approaching ...

In this paper, we propose a Levenberg–Marquardt algorithm-based supervised learning network (LMA-SLN) to maximize the sum-rate of an IRS-assisted NOMA system.