Prioritized IEEE 802.15.6 MAC Protocol for Wireless Body Area Network

Collecting data from heterogeneous on body and implanted sensor devices of Wireless Body Area Network (WBAN) is a challenging problem due to interference and strict delay deadlines of application data. While prioritized data collection is addressed in the literature for inter-WBANs, however how to prioritize medium accesses from different intra-Wban sensor devices is yet to be explored. In this work, we develop collaborative medium access mechanisms (CMAC) for critical and noncritical data traffic co-located with relevant data. We develop new super frame structures for accommodating different data types and schedule their transmissions based on their priorities. The result of performance analysis depicts that the proposed MAC mechanism offers significantly reduced data delivery delay for the critical traffic compare to its counterpart.