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提出了一种蜂窝系统中的综合话音 /数据业务切换的数学模型 ,该模型中 ,话音业务的切换采用预留信道的办法 ,而数据业务的切换则采用排队模型 ,评价该模型性能参数包括新呼叫阻塞概率和切换拒绝概率。结果表明 :该种方法能够极大地减少数据业务的切换拒绝概率 ,数据业务在业务中占的比例越大 ,越区切换的性能越好。
A mathematical model of integrated voice / data service switching in cellular system is proposed. In this model, voice service switching adopts the method of reserving channel, while switching of data service adopts queuing model, evaluating the model performance parameters including new Call blocking probability and handover rejection probability. The results show that this method can greatly reduce the handover rejection probability of data services. The greater the proportion of data services in the service, the better the handover performance.