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Kim, HyungMan,Melikov, Agassi,Fattakhova, Mehriban,Kim, CheSoong Hindawi Limited 2012 Journal of applied mathematics (JAM) Vol.2012 No.-
<P>We develop an analytical approach to the performance analysis and optimization of wireless cellular networks for which different types of calls are prioritized based on a channel reservation scheme. We assume that the channel occupancy time differs for new and handover calls. We obtain simple formulas for calculating quality of service (QoS) metrics and solve some problems related to finding the optimal values of guard channels as well as present the results of numerical experiments.</P>
Approximation Method for QoS Analysis of Wireless Cellular Networks with Impatient Calls
Heeyeol Eom,Chesoong Kim,Agassi Melikov,Mehriban Fattakhova 대한산업공학회 2010 Industrial Engineeering & Management Systems Vol.9 No.4
Simple-closed expressions for approximate calculation of quality of service (QoS) metrics of isolated cell of wireless networks with either finite or infinite queues of both new and handover calls are developed. It is assumed that both kinds of calls might leave the system without receiving service if their waiting times exceed some threshold value. For the models with infinite queues of heterogeneous calls easily checkable ergodicity conditions are proposed. The high accuracy of the developed approximation formulas is shown. Results of numerical experiments are given.
Approximation Method for QoS Analysis of Wireless Cellular Networks with Impatient Calls
Eom, Hee-Yeol,Kim, Che-Soong,Melikov, Agassi,Fattakhova, Mehriban Korean Institute of Industrial Engineers 2010 Industrial Engineeering & Management Systems Vol.9 No.4
Simple-closed expressions for approximate calculation of quality of service (QoS) metrics of isolated cell of wireless networks with either finite or infinite queues of both new and handover calls are developed. It is assumed that both kinds of calls might leave the system without receiving service if their waiting times exceed some threshold value. For the models with infinite queues of heterogeneous calls easily checkable ergodicity conditions are proposed. The high accuracy of the developed approximation formulas is shown. Results of numerical experiments are given.