This article discusses the architecture model and characters of the TD-LTE/SAE network at Shanghai Expo

and describes the solution for the network security such as SAE AKA procedure

authentication synchronisation in detail. It compares the scenarion of 2G/3G and LTE surveillance system of bad information on the internet and gives the advice of the deployment solution of the surveillance system of bad information based on the TD-LTE/ SAE network at shanghai Expo.