Chapter 1 Mobile broadband and the core network evolution

The telecommunications industry is in a period of radical change with the advent of mobile broadband radio access and the convergence of Internet and mobile services. Part of this radical change is enabled by a fundamental shift in the underlying technologies; mobile telephony is moving towards an all Internet Protocol (IP) network architecture after several decades of circuit switched technology. The evolution of the core network to support the new high-bandwidth services promised by mobile broadband is a monumental breakthrough. This book covers that evolution.

The phenomenal success of GSM (Global System for Mobile Communications) was built on the foundation of circuit switching. ...

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