1. WRC‐15 Press Release. World Radiocommunication Conference allocates spectrum for future innovation.http://www.itu.int/net/pressoffice/press_releases/2015/56.aspx
2. White Paper of GSA (the Global mobile Suppliers Association). The future of IMT in the 3300∼4200 MHz frequency range June2017.https://gsacom.com/paper/future‐imt‐3300‐4200‐mhz‐frequency‐range
3. China Mobile Communication Corporation. Guideline for 3.5GHz 5G system prototype and Trialhttp://gtigroup.org/news/gti/2017‐02‐24/10157.html
4. Number of mobile cell phone subscriptions in China from November 2017 (in million).https://www.statista.com/statistics/278204/china‐mobile‐users‐by‐month/
5. Asia Times. China reserves spectrum for 5G services Nov 16 2017.http://www.atimes.com/article/china‐reserves‐spectrum‐5g‐services/