A secrecy rate maximization problem for active reconfigurable intelligent surface (RIS) aided non-orthogonal multiple access networks Fittings has been studied in this paper.Assuming that the perfect channel state information is available, we aim to maximize the secrecy rate while satisfying the quality of service of the legitimate users and power
Deep learning technologies, due to their advanced pattern extraction and recognition of high-dimensional data, have been widely adopted into multisensor-based fire detection systems.Since deep learning approaches can generate erroneous predictions due to incomplete training datasets, a retraining process over unseen observations is Towels needed.Ho
Nowadays, flexi-coil springs are commonly used in the secondary suspension stage of railway vehicles.Lateral stiffness of these springs is influenced by means of their design parameters (number of coils, height, mean diameter of coils, wire diameter etc.) and it is often suitable to modify this stiffness in such way, that the suspension shows vario
Security techniques like cryptography and authentication can fail to protect a network once a node is compromised.Hence, trust establishment continuously monitors and evaluates node behavior to detect malicious and compromised nodes.However, just like other security schemes, trust establishment is also vulnerable to attack.Moreover, malicious nodes