Ju, Jinjuan
Zhang, Guoan
Sun, Qiang
Jin, Li
Duan, Wei
Funding for this research was provided by:
the National Natural Science Foundation of China (61801249)
Nantong University-Nantong Joint Research Center for Intelligent Information Technology (KFKT2016B01, KFKT2017B01)
the open research fund of National Mobile Communications Research Laboratory, Southeast University (No. 2015D02)
Nantong Vocational University (18ZK01)
Article History
Received: 19 October 2018
Accepted: 21 February 2019
First Online: 18 March 2019
Competing interests
: The authors declare that they have no competing interests.
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