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Table 1 Communication overhead

From: Efficient authentication and re-authentication protocols for 4G/5G heterogeneous networks

Method

Communication cost

 

Intra HO

Inter HO

A1 [2]

10TUA+5TAG

10TUA+5TAG

El Idrissi [46]

10TUA+4TAG

10TUA+5TAG+4TGP

Shen [16]

10TUA+4TAG

10TUA+5TAG+4TGP

Lin [17]

20TUA+5TAG

10TUA+5TAG+4TGP

Singh [18]

12TUA+5TAG

12TUA+5TAG

Proposed

10TUA+4TAG

10TUA+4TAG+4TGP