Abstract
The 20th century has seen explosive growth of Internet-of-Things (IoT) devices pushed by the evolution of wireless communication technology. As a result, e-Health services now play a vital role in our daily life. One of the branches that has influenced this phenomenon is Internet-of-Medical Things (IoMT) which is a subset of IoT devices designed for healthcare. However, IoT/IoMT faces issues common to wireless communication such as spectral and energy efficiency, interference, security, reliability, and capacity limits, just to mention a few. Therefore capitalizing on the benefits of nonorthogonal multiple access (NOMA) in 5G, we propose reliable and secure uplink (UL) transmissions from Internet-of-Medical Things (IoMT) to the access point (AP) based on 5G technology. The existing architecture of UL IoT is ready to implement many applications associated with the next generation of wireless communications. In particular, we investigate the performance of a cooperative network in which a destination communicates with the AP via relays. For this purpose, we compute received signals at each node and derive closed-form expressions of outage probability and ergodic capacity. These results are validated by Monte Carlo simulations, and necessary comparisons of system performance are also provided.
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