In-Stat says that 30 percent of subscribers worldwide will be using some form of 3G or 4G cellular technology by the end of 2013. With mobile WiMAX needing to prove itself in the market as LTE deployments expand, In-Stat predicts that WiMAX networks will find favor in developing countries. In addition to expected LTE deployments in the United States and other developed markets, the research firm predicts that numerous vendors will pick up on the mobile WiMAX trend in emerging markets. Release