. 2020 Sep 28;69:101265. doi: 10.1016/j.pmcj.2020.101265

Table 6.

Details of parameters settings in the simulation.

Parameter symbol	Parameter description	Value
R	Data transfer rate	1 Mbps
C	The light speed	${3 \times 10}^{8} m∕s$
$M_{Default}$	Number of default measurements	209
$t_{D i s t r i b u t i n g A c t i v i t y I n t e r v a l s}$	Time of distribution of activity intervals	0.32 ms
$n_{S e n s o r N o d e}$	Number of sensor node	4
$n_{S i n k N o d e}$	Number of sink node	1
$E_{I n i t i a l S e n s o r N o d e}$	Initial energy of sensor node	0.3 J
$E_{I n i t i a l S i n k N o d e}$	Initial energy of sink node	0.525 J
BPL	Body path loss	3.2 dB
$E_{D e f a u l t}$	Default entropy level	0.915 Bits
${CR}_{Default}$	Default compression ratio	0.8164
N	Total number of unknowns in $R^{N}$	256
$t_{L i g h t w e i g h t S e c u r e S e n s i n g}$	Time of lightweight secure sensing	0.0145 s
$E_{U s a g e E n e r g y L i g h t w e i g h t S e c u r e S e n s i n g}$	Usage energy of lightweight secure sensing	0.028 mj
$E_{r x - e l e c}$	Reception energy dissipation	36.1 nj/bit
$E_{t x - e l e c}$	Transmission energy dissipation	16.7 nj/bit
$E_{A d d}$	Energy dissipation for addition	3.3 nj
$E_{M r d}$	Memory read energy dissipation	0.26 nj
$E_{M w r}$	Memory write energy dissipation	4.3 nj
$E_{M u l}$	Multiplication energy dissipation	9.9 nj
$E_{S f t}$	Shift energy dissipation	3.3 nj
$E_{C m p}$	Comparison energy dissipation	3.3 nj
X	Vector representing acquired signal	It is calculated dynamically
$S X_{D e f a u l t}$	Number of nonzero coefficients (Default sparsity level)	17
$φ$	Measurement matrix in $R^{M \times N}$	It is calculated dynamically
Y	Measurements in $R^{M}$	It is calculated dynamically
$P_{A c q i r e d}$	Sensing power consumption	15.01 mW
$t_{I n s t r u c t i o n E x e c u t i o n}$	Instruction execution duration	0.135 $μ s$
$t_{A c t i v e L i s t e n i n g P e r i o d}$	Active listening period	0.02 s
$f_{O p e r a t i o n}$	Operation frequency	7.4 MHZ
$P S_{A c t i v i t y I n t e r v a l s}$	Packet size of activity intervals	48 bit
$t_{N o r m a l S e n s i n g}$	Time of normal sensing	0.346 ms
$E_{U s a g e N o r m a l S e n s i n g}$	Usage energy of normal sensing	0.5 $μ j$
$P_{B C K}$	Background power consumption	9.6 mW
$P_{A C Q}$	Sensing power consumption	15.01 mW
$t_{D S C B S e n s i n g}$	Time of DSCB sensing	0.0180 s
$E_{U s a g e D S C B S e n s i n g}$	Usage energy of DSCB sensing	1 mj