Reconfigurable intelligent surfaces (RIS) are emerging as a promising technology for the
future 6G networks. One of the challenges of IRS systems is that they require feedback …

The advanced innovation of smartphones has led to the exponential growth of internet users
which is expected to reach 71% of the global population by the end of 2027 [1]. This in turn …

In new radio (NR) system, a user equipment (UE) must wait for the A3 event to happen
before switching to a neighbouring cell, even if the received data rate drops below the …

Swarms of unmanned aerial vehicles (UAVs) are being explored as viable options for a
variety of missions. However, extremely dynamic environmental conditions such as wind …

The cooperative network, eg relay network and RIS network, is known to improve
significantly the reliability in wireless communications. However, the upcoming Sixth …

Abstract For a Reconfigurable Intelligent Surface (RIS)-assisted Multiple Input Multiple
Output (MIMO) Non-Orthogonal Multiple Access (NOMA) downlink system, the transmit …

Abstract A Reconfigurable Intelligent Surface (RIS)-assisted spectrum sharing Cognitive
Radio (CR) Multiple-Input Multiple-Output (MIMO) wireless secure communication system is …

Intelligent reflecting surface (IRS) has recently e-merged as a potential low-cost solution to
reshape the wireless propagation environment for improving the spectral efficiency. In this …

Massive multiple-input multiple-output (MIMO) has been recognized as a promising
technology to meet the demand for higher transmission capacity for the fifth generation (5G) …