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对GPRS无线接口上RLC/MAC子层的链路适配过程、RLC/MAC子层和LLC子层的ARQ性能、LLC子层上的吞吐量等问题进行了分析,提出了在RLC子层上基于BLER链路适配的方法,解析了在RLC/MAC子层上最佳的重传次数,并对多种影响GPRS无线网络吞吐量的因素进行了说明。
The link adaptation process of RLC / MAC sublayer on GPRS wireless interface, the ARQ performance of RLC / MAC sublayer and LLC sublayer and the throughput of LLC sublayer are analyzed. Based on the BLER link adaptation method, the optimal number of retransmissions on the RLC / MAC sub-layer is analyzed and the factors that affect the throughput of the GPRS wireless network are described.