Dense Area Urban Area TD-SCDMA W-CDMA Rural Area It is also a attractive network option that WCDMA covers large areas while TD-SCDMA is regards as hot spot complementary. In hot spots, TD-SCDMA’s inherent characters can give a significant offer for asymmetric, high-speed data services and heavy load traffic. On the other hand, WCDMA and TDSCDMA systems adopt the same core network. It benefits the operators pretty much by reducing a great scope cost of network construction.