Funding for this research was provided by:
National Natural Science Foundation of China (61871234)
Graduate Research and Innovation Projects of Jiangsu Province (SJCX19-0251)
the open research fund of key lab of broadband wireless communication and sensor network technology (nanjing university of posts and telecommunications), ministry of education (JZNY202104)
Article History
Received: 6 April 2021
Accepted: 13 September 2021
First Online: 27 September 2021