2Evolution of Mobile Communication Networks
Christian Mannweiler1, Cinzia Sartori1, Bernhard Wegmann1, Hannu Flinck2, Andreas Maeder1, Jürgen Goerge1, and Rudolf Winkelmann1
1Nokia Bell Labs, Munich, Germany
2Nokia Bell Labs, Espoo, Finland
3Nokia, Mobile Networks, Munich, Germany
In 2019, the Third Generation Partnership Project (3GPP) officially completed the specification of Release 15, also referred to as the Phase 1 of the fifth generation (5G) of 3GPP mobile networks. This release has defined a completely new radio system complemented by a next‐generation core network and includes the specifications for both standalone (SA) and non‐standalone (NSA) operation of 5G New Radio (NR).
This chapter presents the evolution of mobile communication networks from GSM to the 5G System (5GS). The ever more demanding performance requirements are motivated by describing the evolution of communication services to be supported by mobile networks. Important technical milestones of each system generation are described, focusing on fundamental system design choices, overall system architecture, individual network features in different domains including radio, core, and transport networks, as well as selected technological and protocol enhancements. The chapter also describes the supported communications services and the mobile network architectures and technologies that have been developed from 2G to 5G in order to address the requirements of the listed services. The evolution of important ...
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