Based on the introduction of TD-LTE

this paper analysis the expandable functions of 4G technology in video business according to the definition and features of technology of TD-LTE. Then expounds the technical architecture of the 4G surveillance camera system platform

and analysis the advantages of surveillance camera system based on 4G

descripts the influence and business development trend on application system of video

refines how to operate a centralized monitoring platform with cloud computing and data center on to in the age of big data. Finally

this paper analysis the current surveillance camera system market by combining a plurality of application scene of video.