According to a recent Cisco study, global mobile data traffic will increase nearly 11-fold between 2013 and 2018. This means carriers urgently need to increase network capacity. They can do this by moving to 4G, improving spectrum efficiency, Wi-Fi offload, and so on. But nothing comes close to frequency reuse through increased numbers of cell sites using small cells – this can improve capacity by up to 1600x. In addition, small cells yield important benefits for the macro network: We’ve shown how placing four small cells within one macro, not only delivers data offload of over 50 per cent, but also improves macro network performance by 315 per cent.