Chapter 3
Mobile Networks Today
The past few years have seen dramatic changes in mobile communication networks. Although the domains and their functions have mostly stayed the same, there has been amalgamation, redistribution, and rebranding of various device roles within each domain. The initial generations of mobile technology had been easy to classify and identify, with each generation bringing distinct changes in one or more domains of the mobile communication network (MCN). For example, 2G brought digital voice, 2.5G signified data communication and introduced packet core, 3G brought a major shift toward using IP/Ethernet-based technologies as well as a new air interface. However, after 3G, the boundaries between generations were somewhat ...
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