Table 7.

Fully charging time $t_a$ in a network branch with ten sensor nodes in terms of the voltage amplitude $V_{in}$ of the applied sinusoidal charging tone.

${\mathit{V}}_{\mathit{in}}$	ID	${\mathit{t}}_{\mathit{on}}$	${\mathit{t}}_{\mathit{on}}$ + ${\mathit{t}}_{\mathit{tr}}$	${\mathit{t}}_{\mathit{run}}$	${\mathit{t}}_{\mathit{s}\mathit{t}\mathit{a}\mathit{b}\mathit{l}\mathit{e}}$
24 V${}_{pp}$	1	0.177	0.385	24.675	23.560
	2	0.222	0.457	24.619	23.478
	3	0.289	0.520	24.538	23.400
	4	0.385	0.615	24.427	23.291
	5	0.534	0.770	24.265	23.122
	6	0.752	1.010	24.025	22.861
	7	1.100	1.376	23.657	22.476
	8	1.645	2.273	23.100	21.566
	9	2.568	4.844	18.989	15.801
	10	TOR	N27	TOR	N27
18 V${}_{pp}$	1	0.231	0.433	24.606	23.498
	2	0.289	0.515	24.536	23.404
	3	0.372	0.607	24.439	23.298
	4	0.559	0.739	24.237	23.152
	5	0.714	0.929	24.070	22.948
	6	1.020	1.249	23.740	22.605
	7	1.504	1.982	23.241	21.854
	8	2.316	3.799	20.083	17.697
	9	3.703	N27	16.365	N27
	10	TOR	N27	TOR	N27
10 V${}_{pp}$	1	0.335	0.546	24.475	23.358
	2	0.440	0.683	24.358	23.208
	3	0.604	0.854	24.180	23.022
	4	0.872	1.121	23.896	22.742
	5	1.305	1.687	23.451	22.160
	6	1.990	2.912	22.275	20.449
	7	3.145	N27	17.617	N27
	8	TOR	N27	TOR	N27
	9	TOR	N27	TOR	N27
	10	—	—	—	—
5 V${}_{pp}$	1	0.559	0.790	24.210	23.072
	2	0.791	1.042	23.965	22.806
	3	1.178	1.525	23.563	22.311
	4	1.855	2.955	22.190	20.184
	5	3.118	N27	17.183	N27
	6	TOR	N27	TOR	N27
	7	TOR	N27	TOR	N27
	8	—	—	—	—
	9	—	—	—	—
	10	—	—	—	—

N27: 2.7V no reached in t_a + t_b = 20 ms. TOR: Turn on and off repeatedly. —: Never turn on.