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In this study, a narrowband internet of things (NB-IoT) medical device (MD) was presented. We consider a wireless communication system where the multi-hop sources shared the downlink and uplink resources to probe and control hospital patients' MDs.A multicast data packet was distributed over the multi-hop MD networks, and a random linear network coding approach was applied in the source instead of the intermediate nodes. We evaluated the MD probe cycle between a master station and remote terminal units, which were connected with several critical devices in a medical room. Furthermore, an accelerated end-to-end (E2E) probing protocol was established in the wireless mesh network to minimize the probing cycle of the health devices. In particular, a faster protocol was developed to address the probe and control subproblem.The proposed approach could assist in realizing the accelerated E2E probing for NB-IoT MDs, reducing the number of retransmissions, recovering lost packets, and providing a prompt overview of the medical network performance,based on several basic parameters such as modulation types, Quadrature amplitude modulation (QAM) and Frequency-shift keying (FSK), acknowledgment (ACK), average message sizes AMS, subcarrier spacing (SCS). Furthermore, in a comparative study of the contemporary probing cycle techniques, the proposed protocol notably outperformed several widely used protocols,with the reduction of the number of transmissions as well as the improvement of round trip time (RTT), and E2E probing cycle exceeding 89%, 71%, and 60%, respectively.

An Accelerated End-to-End Probing Protocol for Narrowband IoT Medical Devices