Results 71 to 80 of about 1,112,711 (163)
WiFi performance analysis in high-speed railway communication
High-Speed RailwayIn High-Speed Railways (HSRs), the Train Control and Management System (TCMS) plays a crucial role. However, as the demand for train networks grows, the limitations of traditional wired connections have become apparent.
Ziqi Zhang +4 more
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Research on Packet Loss Caused by EMC Interference in Train Network Control System
机车电传动, 2017 EMI on the train will cause random interference to the communication of the train network control system, and then cause the packet loss of the network communication.
LI Changxian +3 more
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Global Momentum Compression for Sparse Communication in Distributed SGD
, 2019 With the rapid growth of data, distributed stochastic gradient descent~(DSGD) has been widely used for solving large-scale machine learning problems. Due to the latency and limited bandwidth of network, communication has become the bottleneck of DSGD ...
Gao, Hao +3 more
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A Safety Method of Conditional Emergency Message Processing for Radio Block Center
Kongzhi Yu Xinxi Jishu, 2020 Both CTCS-3 and ETCS-2, the train control systems are based on wireless communication system to realize bidirectional transmission between the train and the radio block center. As the ground control center of CTCS-3 and ETCS-2 level train control system,
QU Yongzheng, LIU Zhenyu, SONG Yan
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Chengshi guidao jiaotong yanjiuObjective After the upgrade of Shanghai Rail Transit Lines 3 and 4 signaling systems, their functions are highly concentrated in the on-board train controller.
LI Yongzheng
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Chengshi guidao jiaotong yanjiuObjective At present, CBTC (communication based train control) precise train positioning technology is prone to high cost of engineering construction and reconstruction, positioning errors and etc. Therefore, it is necessary to upgrade the existing train
ZHANG Zhiyi
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Wireless Transmission System of Medium/low Speed Maglev Train Message Based on GPRS and WLAN
机车电传动, 2011 Design principle and system configuration of wireless transmission system for Tangshan medium/low speed maglev train message was presented. According to the actual requirements, two types of communication for wireless transmission system of maglev train ...
袁文烨, 许义景, 陈建校
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IEEE Internet of Things JournalVirtual coupling (VC) is perceived to be promising in raising rail traffic capacity. In a train-to-train (T2T) based VC system, a communication network that ensures high quality of service (QoS) plays a critical role in enhancing both the coupling efficiency and the safety of the train platoon.
Jiawei Li +7 more
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Research on the Application of UWB Technology in Signaling System for Autonomous-Rail Rapid Transit
Kongzhi Yu Xinxi JishuUltra-wideband (UWB) technology has already been applied in train positioning and shortrange communication scenarios in the field of rail transit, showcasing high positioning accuracy, strong anti-interference performance, and inherent security.
LIU Guangyong, SU Zhimin
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Lightweight encryption solution for train communication network
机车电传动The wide application of wireless communication technology has brought about an increase in network security risks for train communication networks. To mitigate these risks, data encryption has emerged as an important means, albeit with additional demand ...
TANG Jun +4 more
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