物联网业务发展挑战及 NB-IoT 运营策略
张云勇, 贾雪琴
Low power enabled IoT services faced challenges and NB-IoT operation strategies
ZHANG Yun-yong, JIA Xue-qin
物联网学报 . 2017, (1): 76 -80 .  DOI: 10.11959/j.issn.2096-3750.2017.00010