A GPS Information Sharing System Based on Bluetooth Technology. - Chao Liu 007; Changkai Zhang; Hong Yao; Deze Zeng; Qingzhong Liang; Chengyu Hu (ICITCS, 2014)

On Participant Selection for Minimum Cost Participatory Urban Sensing with Guaranteed Quality of Information. - Hong Yao; Changkai Zhang; Chao Liu 007; Qingzhong Liang; Xuesong Yan 001; Chengyu Hu (CollaborateCom, 2015)

Data or index: a trade-off in mobile delay tolerant networks. - Hong Yao; Han Zhang; Changkai Zhang; Deze Zeng; Jie Wu 001; Huanyang Zheng (Int. J. Comput. Sci. Eng., 2017)

The integrated monitoring system for rail transit and the switching method for the main and backup control centers. - Jing Song; Changkai Zhang; Xun Che (iThings/GreenCom/CPSCom/SmartData/Cybermatics, 2024)

A transformer-based current reuse CMOS Armstrong VCO using gm-boosted technique. - Tao Tan 004; Xiuping Li; Yubing Li; Shuai Wu; Bohai Fang; Changkai Zhang; Yujian Qin (Microelectron. J., 2025)