The popularity of intelligent terminal bring about the mobile Internet boom and wireless data traffic surge makes the carrier of the mobile network stressed out
the original 2G/3G network cannot meet the challenge of the users on broadband.With the formal separation of LTE frequency bands
LTE era is official coming.LTE network construction will still be challenged and the pressure of large data will always exist.As the most cost-effective wireless broadband WLAN technology
it continues to play a role in LTE era and to bear the massive data with LTE network
which is worth carriers thinking.This paper tries to analysis from various angles of the WLAN network construction in the era of LTE.