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In WBAN, the sensor nodes, known as body nodes, are connected wirelessly and controlled by a central controller, known as a Body Node Coordinator (BNC).
WBAN is a 24-hour monitoring system where body nodes continuously monitor a patient's various bio-signals such as EEG, ECG, blood pressure, sugar level, heart beat rate, body temperature and BNC provides an efficient means of communication between body nodes and the outside world.
There are some sensing inflictions such as deep brain stimulation sensing, cranial pressure sensing, ECG, EMG, EOG, EEG signal sensing where a number of sensors nodes are placed consecutively, close to each other at a specific part of human body for sensing a specific bio-signal and maintain a certain distance from BNC.
In our work, we considered a fixed WBAN consisted of twenty-seven body nodes (BN) and a BNC, shown in the Fig.1.
In our work, we considered that each of the body nodes (N1-N27) consisted of a transceiver and a sensor; and there is NLOS communication (path loss exponent, n=5.9) among body nodes and BNC because of uneven surface of the human body and obstruction due to clothing and costumes.
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