Title	Analysis of Downlink Coverage for Multi-Tier Cellular Network under Different Association Criteria Using Stochastic Geometry
Author	M. Mujtaba Shaikh, Fozia Panhwer, Nadeem Naeem Bhatti, Sajida Parveen, Sarfraz Ahmed Soomro
Citation	Vol. 18  No. 7  pp. 111-116
Keywords	Stochastic Geometry, Coverage, Association Criteria, Signal-to- Interference Plus Noise Ratio.

Title	Analysis of Discrete Time Queueing System with Late Arrival using Load Balancing Technique
Author	Fozia Panhwer, Abdul Fattah Chandio, M. Mujtaba Shaikh, Zeeshan Ali, Khalil M. Zuhaib
Citation	Vol. 18  No. 7  pp. 138-142
Keywords	Slotted time queueing, network Buffer, Load balancing, Late arrival.