Table 6.

Communication Cost of Proposed and other Protocols.

Schemes	tag	Reader	Server	Total Bits	Messages
Yang et al. [23]	256	512	640	1408	5
Tan et al. [30]	896	768	768	2432	4
Cai et al. [21]	256	544	256	1056	5
Cho et al. [31]	512	512	256	1280	5
Gope and Hwang [3]	416	1180	288	1888	4
Proposed Protocol	416	736	416	1568	4