QoS-based management of biomedical wireless sensor networks for patient monitoring

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Table 2 Network performance assessment and classification if QoS metric belongs to m _min

$\dot{\hat{m}}$	$E_{\dot{\hat{m}}}$	${MT}_{\hat{m}}$	$ZC R_{\dot{\hat{m}}}$	${MAX}_{\hat{m}}$	Network performance
>0	≤E_{t h r e s h o l d}	↑	>0	1	Degrading
>0	≤E_{t h r e s h o l d}	↑	>0	0	Not degrading or recovering
>0	≤E_{t h r e s h o l d}	↑	=0	n.a.	Degrading
>0	≤E_{t h r e s h o l d}	→ or ↓	n.a.	n.a.	Not degrading
>0	>E_{t h r e s h o l d}	n.a.	n.a.	n.a.	Degrading
≤0	n.a.	n.a.	n.a.	n.a.	Not degrading