Table 2 Notations used
Notations | Descriptions |
|---|---|
N, E | Represents a set of nodes and a set of edges of the graph |
S | Sink node deployed at the centre of a grid |
F | A set of unknown faulty nodes or tampered nodes |
R | A set of ACTIVE relay nodes in the bottleneck zone (area around the sink nodes) |
R′ | Set of SLEEP relay nodes |
Vector x | Consisting of n measured features of size and shape of waveform created by objects |
Vector y | A set of objects |
Vector x′ | Modified set of vector x due to faulty sensors |