Intelligent reflecting surface (IRS) is a new promising technology that able to reconfigure the wireless propagation channel via smart and passive signal reflection. In this paper, we investigate capacity region of two-user communication network with one access point (AP) aided by M IRS elements for enhancing user-AP channels, where incurs negligible delay, thus channels follow classic discrete...

Reducing computational complexity is crucial in optimizing the phase shifts of Intelligent Reflecting Surface (IRS) systems since IRS-assisted communication are generally deployed with a large number reflecting elements (REs). This letter proposes low-complexity algorithm, designated as Dimension-wise Sinusoidal Maximization (DSM), to obtain optimal IRS that maximizes sum capacity MIMO network....

Hydrogen adsorption on two-dimensional (2D) silicon carbide (SiC) was studied using molecular dynamics and ab initio calculations. By investigating a converged density functional theory (DFT) calculation, the stable sites of hydrogen atom 2D SiC were found at top (T­Si T­C, which most site is T­Si). The led to local structural changes in carbide.