Zaka-ur-Rehman, Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan
M. Hamza, Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan
Q. Zahid, Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan
F. Tahir, Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan
Z. Khalid, Dept. of Electr. Eng., COMSATS Inst. of Inf. Technol., Islamabad, Pakistan
pp. 183-188