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在对GSM/GPRS (global system for mobile communications/general packet radio service)蜂窝系统现有典型信道分配策略FRA (fixed resource allocation)和DRA (dynamical resource allocation)及其排队策略进行分析的基础上,提出了基于DRA的改进策略DMC_DRA (dynamical minimum channels of packets for DRA).新策略能动态改变G