Inherent dynamism in user movement demands for post-deployment tuning of UMTS networks to minimize the total cost of ownership (TCO). Conventionally, UMTS operators so far have considered many-to-one mapping of RNCs to MSCs. However, such single-homed networks do not remain cost-effective over...

This article describes how Universal Mobile Telecommunications System (UMTS) is a 3G cellular network standard that uses location update (LU) and location search (LS) for mobility management. LU requires update in two location registers (LRs) - home LR (HLR) and visiting LR (VLR) - where one HLR...

Ever since mobile has revolutionized the telecom scenario in India, experts often ask a pertinent question: is the old assignment of twenty-two telecom circles into four categories valid even now? It has become important in the light of variable rates of revenue sharing in different circles as...