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

SpringerPlus

Table 1 Network performance assessment and classification if QoS metric belongs to m _max

$\dot{\hat{m}}$	$E_{\dot{\hat{m}}}$	${MT}_{\hat{m}}$	$ZC R_{\dot{\hat{m}}}$	${MIN}_{\hat{m}}$	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