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遥传网络中网桥的性能优化方法

Ruiqing WU,Qingshui GU,Wei CHEN,Qian LI,Aihua TAO

Well Logging Technology（2015）

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Abstract
网桥是制约测井数据遥传网络性能的关键部分之一.根据测井单芯电缆遥传网络的特点和需求,给出了基于CAN总线和OFDM链路的网桥方案.为提高网桥的有效吞吐量和实时性,提出了遥传链路帧和具有精简结构的CAN总线重载帧以提高封装效率,多通道缓存链动态存储数据以减少数据搬移,超时和累计帧的延迟中断处理以减少中断频率.实验表明,这些优化方法能有效减小开销,提高测井数据网桥转发效率.
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Key words
logging tool,telemetry bridge,overload frame,CAN bus,buffer chain,delayed interrupt
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