Self-Organizing Wearable Device Platform for Assisting and Reminding Humans in Real Time

Table 2

Service performance evaluation of proximity-based neighbor identification protocol.

Service	Activity event	Total time (ms)	PNIP service time (ms)	Success ratio (%)
Door-lock	Leaving/returning	1500/2000	1217/1207	98.96
Coffee port	Turn on/off	1000	1214	99.92
	Count number of cups	3000	1216	95.36
Gas oven	Turn/on/off	2000/1500	1216/1194	99.87
Blood pressure measurement	Start button/transfer measured data	45000	882/1351	96.76
Weight measurement	Ride/release	2000	1216	95.05
Treadmill	Working on and press start button/release by stop button	3000/2000	1312/1207	97.85
Faucet	Turn on/off	3000/2000	1220/1230	93.77
Name card exchange	Shake hands	5000	3000/7000	78.05

Time from action start to leaving the communication range of LF and/or RF.