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Title:
congestion-aware indoor emergency navigation algorithm for wireless sensor networks
Author: Chen Yongle ; Sun Limin ; Wang Feng ; Zhou Xinyun
Source: GLOBECOM - IEEE Global Telecommunications Conference
Conference Name: 54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011
Conference Date: December 5, 2011 - December 9, 2011
Issued Date: 2011
Conference Place: Houston, TX, United states
Keyword: Communication ; Navigation ; Navigation systems ; Sensor networks
Indexed Type: EI
ISBN: 9781424492688
Department: (1) Institute of Software Chinese Academy of Sciences Beijing China; (2) Graduate University Chinese Academy of Sciences Beijing China; (3) School of Computing Science Simon Fraser University Burnaby BC Canada
Abstract: A typical application of wireless sensor networks is navigation for emergency evacuation whose goal is to guide people escaping from hazardous areas safely and quickly. In practical scenarios, the evacuating time depends not only on the length of the path but also on the congestion degree. However, as far as we know, the state of art fails to quantify congestion degree accurately in evacuation process. In this paper, we propose a novel congestion-aware navigation algorithm which has several key advantages: First, we use the concept of moving speed to evaluate the congestion degree to accurately estimate the evacuating time. Second, we avoid the frequent in-situ interactions between users and the navigation system by using the sensors at intersections for displaying the escape directions. Third, our algorithm can reduce the direction oscillations due to the network communication delay and adapt to the variation of hazardous regions. We evaluate our algorithm by simulations under various realistic settings. Simulation results show that our algorithm has the shorter evacuating time and fewer oscillations than state-of-the-art work. © 2011 IEEE.
English Abstract: A typical application of wireless sensor networks is navigation for emergency evacuation whose goal is to guide people escaping from hazardous areas safely and quickly. In practical scenarios, the evacuating time depends not only on the length of the path but also on the congestion degree. However, as far as we know, the state of art fails to quantify congestion degree accurately in evacuation process. In this paper, we propose a novel congestion-aware navigation algorithm which has several key advantages: First, we use the concept of moving speed to evaluate the congestion degree to accurately estimate the evacuating time. Second, we avoid the frequent in-situ interactions between users and the navigation system by using the sensors at intersections for displaying the escape directions. Third, our algorithm can reduce the direction oscillations due to the network communication delay and adapt to the variation of hazardous regions. We evaluate our algorithm by simulations under various realistic settings. Simulation results show that our algorithm has the shorter evacuating time and fewer oscillations than state-of-the-art work. © 2011 IEEE.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/16297
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Chen Yongle,Sun Limin,Wang Feng,et al. congestion-aware indoor emergency navigation algorithm for wireless sensor networks[C]. 见:54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011. Houston, TX, United states. December 5, 2011 - December 9, 2011.
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