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	Easitpq: qos-based topology control in wireless sensor network
	Liu, Wei1; Cui, Li1; Niu, Xiaoguang1; Liu, Wei2
刊名	Journal of signal processing systems for signal image and video technology
	2008-05-01
卷号	51期号:2页码:173-181
关键词	Gradient change density Qos State transmission
ISSN号	1939-8018
DOI	10.1007/s11265-007-0105-2
通讯作者	Liu, wei()
英文摘要	With the rapid development of wireless sensor networks (wsns), the requirements for quality of service (qos) are growing, particularly in applications where real time imaging, video or audio communications are involved. the system needs to meet both optimized energy consumption design metric and to satisfy certain qos requirements simultaneously from long view. different from most of the existing works which deal with resource allocation (e.g., scheduling or buffering) or routing strategy to achieve qos, we extend qos support to the topology control layer by introducing a number of active nodes distributed in a gradient fashion based on their logical distances to the sink node. in this paper, a novel topology control algorithm, namely easitpq (easy qos-based topology control) is proposed to improve qos performance in wireless sensor networks. simulation results show that data loss rate and latency are averagely improved by 55 and 45%, respectively.
WOS研究方向	Computer Science ; Engineering
WOS类目	Computer Science, Information Systems ; Engineering, Electrical & Electronic
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000254111100004
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2384802
专题	中国科学院大学
通讯作者	Liu, Wei
作者单位	1.Chinese Acad Sci, Inst Comp Technol, Beijing 100080, Peoples R China 2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Liu, Wei,Cui, Li,Niu, Xiaoguang,et al. Easitpq: qos-based topology control in wireless sensor network[J]. Journal of signal processing systems for signal image and video technology,2008,51(2):173-181.
APA	Liu, Wei,Cui, Li,Niu, Xiaoguang,&Liu, Wei.(2008).Easitpq: qos-based topology control in wireless sensor network.Journal of signal processing systems for signal image and video technology,51(2),173-181.
MLA	Liu, Wei,et al."Easitpq: qos-based topology control in wireless sensor network".Journal of signal processing systems for signal image and video technology 51.2(2008):173-181.

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