Ruhul Amin Khalil;Nasir Saeed;Mohammad Inayatullah Babar;Tariqullah Jan;Sadia Din-Department of Electrical Engineering,Faculty of Electrical and Computer Engineering,University of Engineering and Technology,Peshawar 25120,Pakistan;Department of Electrical Engineering,Northern Border University,Arar 73222,Saudi Arabia;College of Science and Engineering,Hamad Bin Khalifa University,Doha 34110,Qatar

Van-Truong Truong;Van Nhan Vo;Dac-Binh Ha;Chakchai So-In-Faculty of Electrical-Electronic Engineering,Duy Tan University,Da Nang 550000;Institute of Research and Development,Duy Tan University,Da Nang 550000,Vietnam;Faculty of Information Technology,Duy Tan University,Da Nang 550000;Applied Network Technology(ANT)Laboratory,Department of Computer Science,College of Computing,Khon Kaen University,Khon Kaen 40002,Thailand

Jinhu Lü;Guanghui Wen;Ruqian Lu;Yong Wang;Songmao Zhang-School of Automation Science and Electrical Engineering,State Key Laboratory of Software Development Environment,Beihang University,Beijing 100083;Academy of Mathematics and Systems Science,Chinese Academy of Sciences,Beijing 100190,China;Department of Systems Science,School of Mathe-matics,Southeast University,Nanjing 211189,China

Zhenxin Sun;Qiang Wang;Lei Chen;Chun Hu-School of Auto-mation, Beijing Institute of Technology, Beijing 100081,China;Advanced Research Insti-tute of Multidisciplinary Science, Beijing Institute of Tech-nology, Beijing 100081, China

HUANG Fei;LI Guangxia;WANG Haichao;TIAN Shiwei;YANG Yang;CHANG Jinghui-The College of Communications Engineering,Army Engineering University of PLA,Nanjing 210007,China;The National Innovation Institute of Defense Technology,Chinese Academy of Military Sciences,Beijing 100071,China;The Satellite Communication Center,Beijing 102300,China

GENG Yuhui;CAO Xianbin;CUI Huanxi;XIAO Zhenyu-School of Electronic and Information Engineering,Beihang University,Beijing 100191,China

SHI Jianyang;CAI Jifan;QIN Guojin;JIN Ruizhe;LIN Xianhao;CHI Nan-Key Laboratory for Information Science of Electromagnetic Waves(MoE),Fudan University,Shanghai 200433,China;Peng Cheng Laboratory,Shenzhen 518055,China;Shanghai Engineering Research Center of Low-Earth-Orbit Satellite Communication and Applications,Shanghai 200433,China;Shanghai Collaborative Innovation Center of Low-Earth-Orbit Satellite Communication Technology,Shanghai 200433,China

Jian Chen;Kai-Qi Zhang;Tian Ren;Zhen-Qing Wu;Hong Gao-School of Computer Science and Technology,Harbin Institute of Technology,Harbin 150001,China

Guangyi Liu;Na Li;Juan Deng;Yingying Wang;Junshuai Sun;Yuhong Huang-China Mobile Research Institute,Beijing 100053,China

Ping Zhang;Wenjun Xu;Hui Gao;Kai Niu;Xiaodong Xu;Xiaoqi Qin;Caixia Yuan;Zhijin Qin;Haitao Zhao;Jibo Wei;Fangwei Zhang-State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications,Beijing 100876,China;Peng Cheng Laboratory,Shenzhen 518066,China;Key Laboratory of Universal Wireless Communications,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China;Key Laboratory of Trustworthy Distributed Computing and Service,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China;School of Artificial Intelligence,Beijing University of Posts and Telecommunications,Beijing 100876,China;The School of Electronic Engineering and Computer Science,Queen Mary University of London,London E1 4NS,UK;College of Electronic Science and Technology,National University of Defense Technology,Changsha 410073,China;School of Humanities,Beijing University of Posts and Telecommunications,Beijing 100876,China

Chengxiao Liu;Wei Feng;Xiaoming Tao;Ning Ge-Department of Electronic Engineering,Tsinghua University,Beijing 100084,China;Beijing National Research Center for Information Science and Technology,Tsinghua University,Beijing 100084,China

Dragan Savi?-KWR Water Research Institute,Nieuwegein 3430 BB,Netherlands;College of Engineering,Mathematics and Physical Sciences,University of Exeter,Exeter EX4 4QF,UK;Faculty of Engineering and Build Environment,National University,Bangi 43600,Malaysia

Wei Lin;Richard W.Ziolkowski-Global Big Data Technologies Centre,School of Electrical and Data Engineering,University of Technology Sydney,Ultimo,NSW 2007,Australia

Hongke Zhang;Wei Quan-National Engineering Laboratory for Next Generation Internet Technologies,Beijing Jiao tong University,Beijing 100044,China;Research Center of Networks and Communications,Peng Cheng Laboratory,Shenzhen 518000,China

XU Ziwei;XIE Le-School of Biomedical Engineering,Shanghai Jiao Tong University,Shanghai 200030,China;Institute of Medical Robotics,Shanghai Jiao Tong University,Shanghai 200030,China;Institute of Forming Technology&Equipment,Shanghai Jiao Tong University,Shanghai 200030,China

Kainan Zhang;Zhi Tian;Zhipeng Cai;Daehee Seo-Department of Computer Science,Georgia State University,Atlanta,GA 30303,USA;Department of Electrical and Computer Engineering,George Mason University,Fairfax,VA 22030,USA;National Center of Excellence in Software,Sangmyung University,Seoul 03016,Republic of Korea

Junyu Ren;Jinze Li;Huaxing Liu;Tuanfa Qin-School of Electronic and Information Engineering,South China University of Technology,Guangzhou 510640,China;Guangxi University,Xingjian College of Science and Liberal Arts Nanning 530004,China,Guangxi Key Laboratory of Multimedia Communications and Network Technology,Guangxi University,Nanning 530004,China;Guangxi Key Laboratory of Multimedia Communications and Network Technology,School of Computer,Electronics and Information,Guangxi University,Nanning 530004,China;Faculty of Earth Sciences&Geography,Trinity College,University of Cambridge,Cambridge,CB21TN,UK

Kaiyang Li;Ling Tian;Xu Zheng;Bei Hui-School of Computer Science and Engineering,University of Electronic Science and Technology of China,Chengdu 611731,China;Trusted Cloud Computing and Big Data Key Laboratory of Sichuan Province,Chengdu 610000,China;School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China

YANG Bo;MITANI Tomohiko;SHINOHARA Naoki;ZHANG Huaiqing-RISH,Kyoto University,Kyoto 6110011,Japan;Chongqing University,Chongqing 400044,China

HE Miao;LI Xiangman;NI Jianbing-Department of Electricaland Computer Engineering,Queen's Univer?sity,Kingston,Ontario K7L 3N6,Canada