THE SIGNALING NETWORK DEPLOYMENT FOR MOBILE NETWORKS

This paper proposes the signaling network deployment for mobile networ ks with a goal of reducing the signaling cost and time to set up calls . In this deployment, we solve the heavy concentration of signaling tr affic resulting from the centralized database used in current mobile n etworks. The solution exploits the features of the distributed databas es, data partition, locality of mobile users, and Common Channel Signa ling System No.7 (CCSS No.7) network architectures. We assume the area served by the mobile network is partitioned into a few zones. There i s a database associated with each zone. A numbering database strategy is proposed in this paper for the mobiles to register at some specific nearby databases according to their mobile identification numbers. Th us, a calling party can directly locate the called party by the mobile identification number he/she dialed. This method can reduce over 95% of the location-updating cost and 70% of the location tracking cost un der a general simulation model. We also present the implementation con siderations of this strategy. This implementation is an enhancement of the routing function of the Signaling Connection Control Part in CCSS No.7 protocol stacks. With few modifications on current mobile networ ks, the proposed strategy can obtain very excellent results.