Performance analysis and enhancement of random access process in cellular-IoT
Xing Shuchen, Wen Xiangming, Lu Zhaoming, Pan Qi, Jing Wenpeng
The Journal of China Universities of Posts and Telecommunications . 2019, (6): 1 -10 .  DOI: 10.19682/j.cnki.1005-8885.2019.1021