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在对GSM/GPRS网络中的信道分配、分组数据调度、功率控制、越区切换和链路自适应等机制进行系统仿真的基础上,对一些反映网络性能的主要指标,如阻塞率、掉话率、信道利用率和数据平均传输速率等做出了一定的估计。对不同网络参数和算法对网络性能的影响规律也进行了分析。这为今后网络的优化提供了一定的策略和依据。
Based on the system simulation of mechanisms such as channel assignment, packet data scheduling, power control, handoff and link adaptation in GSM / GPRS networks, some key indicators that reflect network performance such as blocking rate, dropped calls Rate, channel utilization and average data transfer rate to make a certain estimate. The influence of different network parameters and algorithms on network performance is also analyzed. This provides a certain strategy and basis for the future optimization of the network.