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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Wireless And Mobile Networks
Exercise:
Review
Question:14 | ISBN:9780132856201 | Edition: 6

Question

What is the role of the “core network” in the 3G cellular data architecture?

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Answer

The role of the “core network” in the 3G cellular data architecture are:

  • It is used to radio access network to the public Internet for voice network.
  • The core network contains two types of nodes. They are
  1. (GGSNs)-Gateway GPRS(Generalized Packet Radio Service) support nodes: It is used to connect multiple Serving GPRS to the internet.
  2. (SGSNs)-Serving GPRS(Generalized Packet Radio Service) support nodes: It is an interface between mobile nodes in the radio access network.
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