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EPC and 4G Packet Networks, 2nd Edition by Catherine Mulligan, Magnus Olsson

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Chapter 8

Quality of Service, Charging, and Policy Control

8.1 Quality of Service

Many mobile broadband operators aim to provide multiple services (Internet, voice, video) across their packet-switched access networks. These services will share the radio and core network resources with best effort services such as Internet browsing and e-mail download, and they all have different Quality of Service (QoS) requirements in terms of required bit rates as well as acceptable packet delays and packet loss rates. Furthermore, with mobile broadband subscriptions offering flat-rate charging, high-bandwidth services such as file sharing also become more common in cellular systems. In such a multi-service scenario, it is important that EPS provides an efficient ...

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