[Zhang, Zhiyong; Iwendi, Celestine] BCC Cent South Univ Forestry & Technol, Dept Elect, Changsha 410004, Hunan, Peoples R China.
[Alqarni, Mohammed A.] Univ Jeddah, Coll Comp Sci & Engn, Jeddah 21959, Saudi Arabia.
[Anajemba, Joseph Henry] Hohai Univ, Coll Internet Things, Dept Commun Engn, Changzhou Campus, Changzhou 213000, Peoples R China.
[Alfakeeh, Ahmed S.] King Abdulaziz Univ, Fac Comp & Informat Technol, Jeddah 21589, Saudi Arabia.
[Bashir, Ali Kashif] Manchester Metropolitan Univ, Dept Comp & Math, Manchester M13 9PL, Lancs, England.