Abstract
Wireless Body Area Networks (WBANs) and Wireless Local Area Networks (WLANs) have been widely regarded as solution providers for future Cyber-Physical Systems (CPS)-based ehealthcare amenities. The IEEE 802.11 standard specifies media access protocols in wireless networks, along with channel access methods. WBANs are expected to improve the existing healthcare services significantly, but several research challenges also have to be tackled for apt utilization of the technology. Guarantee of Quality-of-Service (QoS) differentiation between various health parameters, such as temperature and blood pressure, during mobility is a major challenge for the provision of ehealthcare services. The scheme proposed in this paper for the Mobile Wi-Fi based connectivity of WBANs is designed to provide QoS-based priorities for ehealthcare subscribers by altering the Contention Window (CW) for different applications of patient health monitoring. The relationship between CW and QoS is utilized to achieve efficient resource assignment. Three different health parameters, i.e., ECG (Electrocardiogram), BP (blood pressure) and temperature. are monitored using medical CPS in this work. The performance evaluation results, such as end-to-end packet delay and throughput for various data traffic classes reveal that the proposed scheme improves QoS provision.
Highlights
The emergence of rapid advancements in wireless communication technologies and electronics has enabled the development of Wireless Body Area Networks (WBANs)
The level of priority among the three traffic types is given to ECG traffic, blood pressure (BP) is considered less delay highest level of priority among the three traffic types is given to ECG traffic, BP is considered sensitive as compared to ECG data traffic, whereas temperature data traffic is the most delay-tolerant less delay sensitive as compared to ECG data traffic, whereas temperature data traffic is the most type of data traffic [23]
The simulations are performed for three different scenarios with varying traffic loads
Summary
The emergence of rapid advancements in wireless communication technologies and electronics has enabled the development of Wireless Body Area Networks (WBANs). A WBAN is established by a large number of sensor-based ofCPSs, hundreds even thousands, connected to the body [2]. The CPS architecture in this work for the up of a includes several components, such as sensor nodes, Wi-Fi device, Base. A WBAN includes several components, such as sensor nodes, Mobile Wi-Fi device, Base Station (BS). WBAN, sensor nodes placed connected a humanbody body(or (orimplanted) implanted)quantify quantifyvital vitalhealth health parameters such as heartbeat rate, sugar level and rate of respiration to monitor patient’s health. Several parameters such as heartbeat rate, sugar level and rate of respiration to monitor patient’s health. The lack of availability (Digital Subscriber Line) in far-flung areas for health monitoring is a challenge for researchers
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