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矿用本安型网络接入器设计与应用 被引量:2
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作者 徐杰 《工矿自动化》 北大核心 2016年第2期71-73,共3页
针对在井下光缆敷设或熔接不易的场合以及移动类设备数据传输时,工业以太网灵活性及移动性不佳的问题,设计了基于2.4G-WiFi的矿用本安型网络接入器,通过2.4G-WiFi无线传输方式,实现了有线以太环网数据的无线传输。实际应用结果验证了该... 针对在井下光缆敷设或熔接不易的场合以及移动类设备数据传输时,工业以太网灵活性及移动性不佳的问题,设计了基于2.4G-WiFi的矿用本安型网络接入器,通过2.4G-WiFi无线传输方式,实现了有线以太环网数据的无线传输。实际应用结果验证了该接入器运行稳定、可靠。 展开更多
关键词 网络接入器 工业以太网 无线传输
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有好车还得有好路 笔记本电脑无线应用现状分析
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作者 刘菁 《计算机与网络》 2003年第23期13-13,共1页
2003年9月18日,在美国加州圣塔克拉拉市举办的英特尔信息技术峰会上,英特尔公司向与会者描绘了该公司下一代无线移动产品计划。英特尔公司副总裁Anand表示:“英特尔和业界厂商正在朝自由移动的目标奋进。到年底,预计有130多款迅驰笔记... 2003年9月18日,在美国加州圣塔克拉拉市举办的英特尔信息技术峰会上,英特尔公司向与会者描绘了该公司下一代无线移动产品计划。英特尔公司副总裁Anand表示:“英特尔和业界厂商正在朝自由移动的目标奋进。到年底,预计有130多款迅驰笔记本上市。英特尔和相关网络运营商已经完成了全球20000多个“热点”的建设,并且验证了这些‘热点’之间的可操作性。英特尔将通过领先的制造技术,新产品和平台创新能力推动无线移动不断发展。” 展开更多
关键词 笔记本电脑 无线应用现状 迅驰技术 无线网络接入器
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PLC-Oriented Access Point Location Planning Algorithm in Smart-Grid Communication Networks 被引量:2
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作者 Ningzhe Xing Sidong Zhang +1 位作者 Yue Shi Shaoyong Guo 《China Communications》 SCIE CSCD 2016年第9期91-102,共12页
In this study, we investigate the optimal location of access points (APs) to connect end nodes with a service provider through power-line communication in smartgrid communication networks. APs are the gateways of po... In this study, we investigate the optimal location of access points (APs) to connect end nodes with a service provider through power-line communication in smartgrid communication networks. APs are the gateways of power-distribution communication networks, connecting users to control centers. Hence, they are vital for the reliable, safe, and economical operation of a power system. This paper proposes a planning method for AP allocation that takes into consideration economics, reliability, network delay, and (n-l) resilience. First, an optimization model for the AP location is established, which minimizes the cost of installing APs, while satisfying the reliability, network delay, and (n-1) resilience constraints. Then, an improved genetic algorithm is proposed to solve the optimization problem. The simulation results indicate that the proposed planning method can deal with diverse network conditions satisfactorily. Furthermore, it can be applied effectively with high flexibility and scalability. 展开更多
关键词 smart-grid communication network optimal location access point network delay genetic algorithm
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Dynamic Time Division Multiple Access Algorithm for Industrial Wireless Hierarchical Sensor Networks
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作者 杨彦红 张晓彤 +1 位作者 罗琼 李文超 《China Communications》 SCIE CSCD 2013年第5期137-145,共9页
Industrial wireless sensor networks adopt a hierarchical structure with large numbers of sensors and routers. Time Division Multiple Access (TDMA) is regarded as an efficient method to reduce the probability of confli... Industrial wireless sensor networks adopt a hierarchical structure with large numbers of sensors and routers. Time Division Multiple Access (TDMA) is regarded as an efficient method to reduce the probability of confliction. In the intra-cluster part, the random color selection method is effective in reducing the retry times in an application. In the inter-cluster part, a quick assign algorithm and a dynamic maximum link algorithm are proposed to meet the quick networking or minimum frame size requirements. In the simulation, the dynamic maximum link algorithm produces higher reductions in the frame length than the quick assign algorithm. When the number of routers is 140, the total number of time slots is reduced by 25%. However, the first algorithm needs more control messages, and the average difference in the number of control messages is 3 410. Consequently, the dynamic maximum link algorithm is utilized for adjusting the link schedule to the minimum delay with a relatively high throughput rate, and the quick assign algorithm is utilized for speeding up the networking process. 展开更多
关键词 TDMA wireless sensor network industrial wireless sensor network
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