Traffic Priority Based Channel Assignment Technique for Critical Data Transmission in Wireless Body Area Network

Journal of Medical Systems
M Ambigavathi, D Sridharan

Abstract

In recent days, intelligent biomedical sensors and wearable devices are changing the healthcare industry by providing various heterogeneous vital signs of patients to the hospitals, caregivers, and clinicals. This collective form of monitoring sensor devices forms a very short-range Wireless Body Area Network (WBAN) and plays a key role in the data gathering process. If any sensor node in the network detects abnormal values that should be transmitted promptly via wireless medium with less delay. A single medium allows one-way delivery of a data packet, and it may not be sufficient to satisfy the high volume of communication demand between the sensor nodes in the network. In the same way, the packet prioritization does not guarantee the packet will get there on time and sometime it may cause priority conflicts among the nodes. It is only mean that the flow of delivery service handles that critical data packet before handling other data packets. However, unexploited time slots and bandwidth wastage will occur due to inefficient backoff management and collisions. To minimize the aforementioned issues, various backoff procedures, adaptive slot allocation mechanisms, priority-based medium access control protocols have been developed...Continue Reading

References

Mar 22, 2016·Sensors·Sabin Bhandari, Sangman Moh
Oct 2, 2017·Journal of Medical Systems·Anil K Jacob, Lillykutty Jacob
May 29, 2018·Journal of Medical Systems·Robert E FreundlichJesse M Ehrenfeld

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