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The application of LZMA algorithm in ISCS based on pretreatment

机译:LZMA算法在基于预处理的ISCS中的应用

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As the IOT (Internet of Things) intelligence popularizes and develops, the data exchange quantity of client-side and server-side of urban rail transit ISCS (Integrated Supervisory Control System) is growing. Aiming at the problems including time-consuming data transmission and huge flow consumption caused by mass data transmission, it proposed in this paper to replace XML with JSON to serve as the data interaction format. Moreover, a LZMA algorithm-ALZMA(Advanced Lempel-Ziv-Markov chain-Algorithm) based on pretreatment is designed, enabling it to be more applicable for compression of JSON data. The experiment results showed that this transmission strategy is able to optimize 16.05% compression ratio of the transmission data of supervisory control system, which can effectively save network bandwidth and memory space.
机译:随着物联网智能的普及和发展,城市轨道交通ISCS(集成监控系统)客户端和服务器端的数据交换量越来越多。针对海量数据传输带来的数据传输时间长,流量大的问题,提出用JSON代替XML作为数据交互格式。此外,设计了一种基于预处理的LZMA算法-ALZMA(Advanced Lempel-Ziv-Markov chain-Algorithm),使其更适用于JSON数据的压缩。实验结果表明,该传输策略能够优化监控系统传输数据的16.05%压缩率,可以有效节省网络带宽和存储空间。

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