Ericsson estimates that worldwide mobile broadband subscriptions will double to one billion mark in 2011

400 million of this is subscriber base is expected to come from Asia pacific while 200 million subscriptions each is expected to come from North America and Western Europe.

By 2015, Ericsson believes mobile broadband subscriptions will top 3.8 billion, with 95 percent driven by HSPA, CDMA and LTE networks.