Research Article

Measurement of Mobile Switching Centres Throughput in GSM Network Integrating Sliding Window Algorithm with a Single Server Finite Queuing Model

Algorithm 3

= Parameter of Poison Distribution
and are parameters of discrete uniform distribution
= operating life of system in days
)   : set of MSISDNs for day, initially null set
()   : number of hits, initially zero
()   
()   
()   
  
    CR = Poison random variates that represents number of call setup requests for day
()  
()  
    
    Generate a discrete uniform random variant “” that represents an MSISDN
()   
()   If profile of “” is found in VLR
    
     Setup call
     
    
()   Otherwise
    
      (a) Fetch the profile of “” to VLR from HLR
      (b) Setup call
      (c)
    
    
  
()   Compute : Intersection of seven days
()   Slide the window right by one day
()   : VLR is updated
()   
()   
()   
  
()   
   
    
()   
()   If the profile of “” is found in VLR
     
      Setup call
      
     
()   Otherwise
     
      (a) Fetch the profile of “” to VLR from HLR
      (b) Setup call
      (c)
     
   
()   Compute : Intersection of seven days from day
()