NDLI: A low-cost green geographic WSN routing in the presence of localization errors

Content Provider	IEEE Xplore Digital Library
Author	Sun Jian Yang Xiao-long Wang Wen-lin Chen Xu
Copyright Year	2012
Description	Author affiliation: School of Communication and Information Engineering, UESTC, Chengdu 611731, China (Sun Jian; Wang Wen-lin; Chen Xu) \|\| School of Computer and Communication Engineering, USTB, Beijing 100083, China (Yang Xiao-long)
Abstract	Existing energy-efficient geographic routing algorithms of wireless sensor network have two problems in practical deployment. Firstly, the cost for getting the location information of nodes incurs too expensive to implement. Secondly, they are vulnerable to a substantial performance degradation in terms of energy consumption and packet delivery ratio in the presence of location errors. In view of these, this paper proposed two solutions toward reducing cost for getting location information and alleviating performance degradation respectively. To save cost, a distributed network coordinate algorithm is adopted which simply translates the delay time between nodes into location information. In order to minimize the impact of location errors on optimal node selection, we propose a data-gathering circle scheme, which can indicate the direction of packet delivery and narrow the neighbor candidate nodes set of relay node to improve energy efficiency. Furthermore, location errors will also impact actual data delivery transmitted by the optimal relay node. Therefore, transmission range extending scheme is adopted to cope with the transmission failure to improve packet delivery ratio. Extensive simulation results show that our proposal is robust to location errors, which can minimize energy consumption and improve routing performance.
Starting Page	116
Ending Page	121
File Size	213035
Page Count	6
File Format	PDF
ISBN	9781467316965
e-ISBN	9781467316972
e-ISBN	9781467316958
DOI	10.1109/ICCPS.2012.6383619
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Energy consumption Power demand Geographic routing Location errors Routing Light emitting diodes Network coordinate Energy efficiency Relays
Content Type	Text
Resource Type	Article

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