Fundamentals of Network Characteristics

The aim of this chapter is to shed some light onto the behaviour of power limited WCDMA networks. Knowledge about the network’s power characteristics is hence the key for a proper understanding of its behaviour, especially under extreme load conditions. The chapter address various aspects related to power, including the power dependency on the distance between mobile and base station, the load, any irregularities of cell layout as well as the size of the actual UMTS network. Most of the presented results concern simple cases with a uniform cell grid and a uniform traffic distribution, but they can easily be extended to more complex cases since tendencies in WCDMA network behaviour generally remain the same. The intention of this chapter is hence to expose general tendencies, and not the detailed real-life network behaviour, so as to smoothly prepare the reader for more complex scenarios in subsequent chapters.

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