Cellular data networks operators are faced with the significant challenge of increasing data usage and flat ARPU. The emergence and proliferation of smartphones and mobile devices are taxing the capacity of cellular networks, given the limited spectrum holding of the carriers and the associated channel bandwidth. A 100% growth of smartphones is projected by 2017, bringing the number of devices to 2.4B. At the same time, ARPU is projected to have a gap of more than 25% by 2017, compared to $150 today for quad services.