Chapter 1

From LTE to LTE-A

Exponential growth in traffic volume calls for high data rates with mobility to meet the ever-increasing user demands. Multimedia traffic is increasing far more rapidly than speech traffic and will increasingly dominate traffic flows. Enhanced peak data rates are definitely necessary to support advanced services and applications. According to Nielsen’s Law, network connection speeds for high-end home users will increase by 50% per year, or double every 21 months (as shown in Figure 1.1). This growth rate is slightly ...

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