Performance analysis of a profile management scheme for incall registration/deregistration in wireline UPT networks - Part II: Timer-based scheme

A timer-based scheme is proposed to manage information within terminal and service profiles for both incall registration/deregistration of UPT users a nd incall registration resets of terminal owners. In the timer-based scheme , information related to incall registration for a UPT user in a terminal p rofile is deleted due to a timer expiration without accessing the terminal profile. The performance of the timer-based scheme is compared with the pre viously proposed request-based scheme in terms of 1) total cost and, 2) the number of terminal profile accesses per unit time for a terminal. Even tho ugh provision of the timer-based scheme requires the modification of incomi ng call delivery procedure, the timer-based scheme can reduce both the tota l cost and the number of terminal profile accesses compared to the previous ly proposed request-based scheme.