Research Article

Securing ZigBee Commercial Communications Using Constellation Based Distinct Native Attribute Fingerprinting

Figure 5

Received conditional QAM constellation points for quadrant projections in Figure 4 showing pairwise relationship of five conditioned subgroups with elements assigned using the indicated conditions.
(a) (○) versus (●)
(b) (▲) versus (★)
(c) (○) versus (▼)
(d) (●) versus (▲)