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Table 4 Communication and computation complexity

From: Energy-efficient cluster-based security mechanism for intra-WBAN and inter-WBAN communications for healthcare applications

Protocol

Number of message

Computation

Communication

 

exchanges

cost

cost

LEAP+

15

O(d2/N)

O(d2/N)

Proposed

9

O(d2/N)

O(d2/N)

scheme

  Â