It adopted radio resource management strategies to do research on service quality of 3g W-CDMA.

采用无线资源管理策略对3g W - CD MA的质量服务进行研究。

youdao

TOKYO, JAPAN, November 16, 2012 --- NTT DOCOMO, INC. announced today that it has developed the world's first dual-mode small-cell base station, or femtocell, supporting 3G (W-CDMA) and LTE simultaneously for improved service coverage in indoor locations such as offices, shops and homes.

ENGADGET: NTT DoCoMo readies first dual-mode HSDPA, LTE femtocell for December