基于超级基站的协议栈迁移机制设计与实现
首发时间:2018-02-07
摘要:传统无线接入网络基站间不共享处理资源、网络负载多变和潮汐效应的存在导致基站资源利用率低与负载均衡的问题。在中科院计算所的超级基站的架构基础上,根据LTE协议栈的运行特征提出了一种基站协议栈迁移策略,从而实现基站协议栈的无缝迁移。仿真结果显示,这种实现基站协议栈的迁移机制相比于Pre-copy算法减少了约65.2%的总迁移时间和21.4%的停机时间。本研究能为集中式接入网虚拟基站的动态管理的实现提供参考。
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Design and implementation of protocol stack migration mechanism based on super base station
Abstract:Considering that conventional wireless access network can\'t share processing resources, network load variability and tidal effect, which resulting in low resource utilization rate and load imbalance. On the basis of the architecture of the super base station, a migration strategy of the base station protocol stack is proposed according to the operation characteristics, so as to realize the seamless migration. The simulation illustrated that the proposed migration method worked well, reducing the total migration time by about 65.2% and the downtime by 21.4% compared with the pre-copy algorithm. This study is of referential significance to realization of virtual base station dynamic management of centralized radio access network.??
Keywords: centralized radio access network super base station base station protocol stack migration
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