Research on probability of call blocking delay in CR networks
Xianzhong Xie, Mii Key · Jisuanji yingyong yanjiu · 2011
Call admission control is a very important technology in wireless resource management,and it is one of the key schemes to decrease congestion,guarantee QoS and improve resource utilization.System resources in a given case,an accurate estimate of the user call blocking probability could provide an important basis for the network to be optimized building.This research based on queuing theory-birth and death process,explored the relationship between the probability of call blocking delay in CR networks and system resources.At the same time,gave an estimated formula.Simulation results show that it has a high degree of precision.