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专利名称: AP HANDOVER METHOD IN INDUSTRIAL MOBILE NETWORK BASED ON DOUBLE WIRELESS NETWORK INTERFACE CARDS
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
作者: 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)
所属部门: 工业控制网络与系统研究室
专利权人: 中国科学院沈阳自动化研究所
专利国别: 世界专利组织
专利类型: 发明
专利状态: 有效
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.
优先权数据: CN201410719075A
是否PCT专利:
申请日期: 2014-12-30
公开日期: 2016-06-02
专利申请号: WO2014CN95571
公布/公告号: WO2016082283
语种: 英语
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/18878
Appears in Collections:工业控制网络与系统研究室_专利

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Recommended Citation:
Zeng P,Liu JD,Li D,et al. AP HANDOVER METHOD IN INDUSTRIAL MOBILE NETWORK BASED ON DOUBLE WIRELESS NETWORK INTERFACE CARDS. WO2016082283. 2016.
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文件名: WO2016082283A1.pdf
格式: Adobe PDF
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