Chapter 2

High data rates in mobile communication


A principal target for the evolution of HSPA mobile communication is to provide the possibility for significantly higher end user data rates compared to what is achievable with, for example, the first releases of the 3G standards. This includes the possibility for higher peak data rates but, even more importantly, the possibility for significantly higher data rates over the entire cell area. The initial part of this chapter discusses some of the more fundamental constraints that exist in terms of what data rates can actually be achieved in different scenarios. This is followed by a general theoretical discussion of higher-order modulation, which is a means of achieving higher data ...

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