To meet mobile data demands in the second half of the decade, operators look to build two layers, with different base station types
There is little room left for architectural debates in the wireless industry - in 2014, the answer is clear. The capacity requirements for wireless networks will be so great that there will be no room for either/or. Operators will be deploying combinations of many approaches on their cell sites, and in addition, making other, more fundamental shifts. Software will become as great a contributor to network capacity as additional hardware, via optimization and smart provisioning tools, while virtualization will be an important way to add density when hardware is reaching its limits.