A fast iterative localized re-authentication protocol for UMTS-WLAN heterogeneous mobile communication networks

EURASIP Journal on Wireless Communications and Networking

Table 2 Authentication request rate in different network entity

Network entity:	HLR/HSS (R_{AR_HLR/HSS})	RADIUS server (R_{AR_RADIUS})	Single AP (R_{AR_AP})
Number of UEs
100	2.218	2.226	0.0247
300	4.207	4.213	0.0438
500	8.019	8.093	0.0818
700	10.442	10.876	0.1131
900	13.175	13.202	0.1397
1000	14.227	14.436	0.1483