The development of wireless city benefits from the increasing of the demand for wireless data service

the maturity of Wi-Fi technology and terminal

the strong demand for urban information and the clarity of wireless service model.By the mutual development of 2G/3G/4G and WLAN technique

different access technologies supplied to people are suitable for different scenarios.As a fully-fledged technology

WLAN is gaining increasing attention and deployed globally by carriers.WLAN gains recognition in education

finance

traffic

government

medicine fields.As one of the important factors（network

platform

application） in wireless city carrier-grade operation

WLAN is not mature.How to build a carrier-grade architecture should be concerned.In this article

the author detailed the H3C carrier-grade WLAN solution’s design and deployment

which provides reference for carrier-grade operation.