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	AP HANDOVER METHOD IN INDUSTRIAL MOBILE NETWORK BASED ON DOUBLE WIRELESS NETWORK INTERFACE CARDS
	Zeng P(曾鹏); Liu JD(刘金娣); Li D(李栋); Li ZB(李志博); Yu XT(俞雪婷); Yu HB(于海斌)
	2017-10-04
著作权人	SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
国家	欧盟
文献子类	发明授权
产权排序	1
其他题名	一种基于双无线网卡的工业移动网络AP切换方法
英文摘要	The present invention provides an AP handover method based on double wireless network interface cards. A mobile terminal actively scans the signal strength of an AP, compares the scanned signal strength with the signal strength of a currently accessed AP, and if the signal strength is greater than the signal strength of the current AP, starts handover; otherwise, continuously scans till the handover succeeds. To reduce the handover delay and in accordance with the characteristic that the moving paths are basically fixed in industrial application scenarios, the present invention provides a pre-learning mechanism, that is, before formal application, information such as the location of the AP and the handover sequence in the application scenario is learned and stored in a terminal node, so that specific scanning and handover can be implemented in formal application. The present invention solves the problem of rapid AP handover in the industrial mobile network scenario, the double wireless network interface cards are used to achieve handover without interruption, and the pre-learning mechanism is used in specific industrial application scenarios, so the scanning delay is further reduced. [en;EP3226615A1]
公开日期	2020-01-22
申请日期	2014-12-30
语种	英语
状态	有权
内容类型	专利
源URL	[http://ir.sia.cn/handle/173321/27194]
专题	沈阳自动化研究所_工业控制网络与系统研究室
作者单位	SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
推荐引用方式 GB/T 7714	Zeng P,Liu JD,Li D,et al. AP HANDOVER METHOD IN INDUSTRIAL MOBILE NETWORK BASED ON DOUBLE WIRELESS NETWORK INTERFACE CARDS. 2017-10-04.

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