Table 4: Definition of Notations.

Parameters

Description

TUE-FeNB

Transmission Delay Between UE and FeNB

SUE-ENC

Encryption Time of UE key

SFeNB-DEC

Decryption UE message in FeNB

PUE

Delay in processing message from UE

PSUM

Total System Delay for processing

TSUM

Total System Delay for transmission

T

Total System Delay