[1] Samsung Res & Dev Inst, Staines TW18 4QE, England
[2] Southeast Univ, Mobile Commun Res Lab, Nanjing 211189, Jiangsu, Peoples R China
[3] Heriot Watt Univ, Sch Engn & Phys Sci, Inst Sensors Signals & Syst, Edinburgh EH14 4AS, Midlothian, Scotland
[4] Univ Tabuk, Sensor Networks & Cellular Syst Res Ctr, Tabuk 473154031, Saudi Arabia