Table 5.

The communication overhead of each scheme.

Scheme	Sending a Single Message	Sending n Messages
Zhang et al. [18]	388 bytes	388 n bytes
Bayat et al. [19]	388 bytes	388 n bytes
Zhang et al. [21]	148 bytes	148 n bytes
He et al. [20]	144 bytes	144 n bytes
Our Scheme	80 bytes	80 n bytes