Global wireless infrastructure spending is expected to pick up in 2011 after two years of declines, according to a new report from research firm iSuppli. Increased 4G deployments will drive that growth, as more carriers deploy LTE networks. iSuppli predicts infrastructure spending will reach $40.3 billion in 2011, up 6.7 percent from $37.8 billion in 2009. According to iSuppli, capital spending decreased 5.9 percent in 2009 and will fall an additional 2.3 percent in 2010. Release