Wireless Body Area Network: Performance Analysis of Polling Access MAC Protocol

WBAN is a modern body monitoring network of wireless technology in which patients that seeks to anticipate and diagnosis of diseases and to check the body’s reaction to medications. The day-to-day behaviors of a individual influence the signal transmission of sensor nodes, such as walking, standing and running. Current wake-sleep-up scheduling facility of service conventional networks with static sensors may therefore be unreliable in the WBAN, since they don’t know channel variations in body sensors. Sensors can be woken up to give during transmission conditions of bad channels, contributing to communication errors and energy consumption. To fix that, MAC based polling protocol called improvised channel access scheme is proposed. The impact of different data transmission rates of body sensors during no pathloss variations and with pathloss variations and multiple access schemes such as TDMA and improvised based IEEE 802.15.6 (BaselineMAC) is evaluated on Castalia simulator. The performance evaluation of work shows that the TDMA scheme outperforms when there are no pathloss variations in terms of consumption of energy, throughput and data collision. As the temporal variation incorporate many profound fades which break the connection between the sender nodes and the central system.