Technical Advantages of Application of TD-SCDMA Communication System in Coal Mine

The paper compared spectrum utilization of three kinds of 3G standard of WCDMA, CDMA2000 and TD-SCDMA, analyzed principle and technical advantages of smart antenna and united detection applied in TD-SCDMA, and illustrated technical advantages of TD-SCDMA applied in coal mine including high spectrum utilization, strong signal coverage ability, huge system capacity, high receiving sensitivity and low cost.