Further specification
enhancements for Release 1 were provided with
IEEE Std 802.16e-2009. The first WiMAX System
Release 1 deployments took place in 2006. Estimates
by the WiMAX Forum indicate that as of
the end of 2009, WiMAX service providers have
covered more than 600 million people with over
500 deployments in over 140 telecommunications
markets worldwide1