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现有集中式多跳网络研究对其性能的建模分析较少考虑协议参数的影响,使实际场景中的协议设计缺乏理论依据.针对这一问题,充分考虑网络参数、业务参数、协议参数的影响,建立了集中式多跳网络调度时延模型和有效吞吐量模型.该模型和数值仿真结果揭示了网络节点个数、网络总带宽、业务流数目、平均跳数、控制时隙比例、最大可预约时隙个数等参数对系统性能的影响.最后给出了特定网络场景和业务需求条件下的控制时隙比例和最大可预约时隙个数等协议参数的优化策略.
In the existing centralized multi-hop network research, the modeling analysis of its performance is less concerned with the influence of the protocol parameters, so that the protocol design in the actual scenario lacks theoretical basis.To solve this problem, the network parameters, the service parameters and the protocol parameters , A delay model and an efficient throughput model for centralized multi-hop network are established.The model and numerical simulation results reveal the number of network nodes, the total network bandwidth, the number of traffic, the average number of hops, the proportion of control slots, the maximum The number of time slot can be reserved and other parameters affect system performance.At last, the optimization strategy of protocol parameters such as the proportion of control slots and the maximum number of reservable slots under given network scenarios and service requirements is given.