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Nearly a decade after its debut, 3G has been widely deployed and supports over a billion subscribers. With the success of broadband, the 3G footprint continues to expand leading to an exponential increase in data traffic demand. The key question now is how can operators meet this demand? There is a limit to what operators can achieve with traditional methods of splitting the macro cells to meet traffic demand. Today's macro networks are typically designed to maximize data spectral efficiency with a model to service large file transfers. With increased adoption of Smartphones and increased number of users on the network, the mix of data applications is changing drastically with numerous smaller transactions leading to a sizeable traffic volume.
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