2011
DOI: 10.1186/1687-1499-2011-52
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Localization and dynamic link detection for geographic routing in non-line-of-sight (NLOS) environments

Abstract: IEEE 802.15.4a networks can provide the geographic routing solution with high location accuracy for the indoor environments. However, in the non-line-of-sight (NLOS) environments, the IEEE 802.15.4a networks may have a large scale location error and an unstable communication link. In this article, we propose a location estimation and dynamic link detection scheme for the geographic routing in the NLOS environments. The proposed approach corrects the large scale location error and detects the NLOS link in the g… Show more

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Cited by 6 publications
(4 citation statements)
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“…The key idea is to calculate PRR * distance metric as route selection criteria and the packet is forwarded through neighboring nodes that have the highest metric. Besides PRR based scheme, dynamic link detection and localization scheme for non-line-of-sight (NLOS) are proposed in order to mitigate unstable communication problems for indoor environments [11]. Interference aware energy efficient geographical routing protocol (IEG) [12] is suggested to cope with wireless interference effects.…”
Section: Related Workmentioning
confidence: 99%
“…The key idea is to calculate PRR * distance metric as route selection criteria and the packet is forwarded through neighboring nodes that have the highest metric. Besides PRR based scheme, dynamic link detection and localization scheme for non-line-of-sight (NLOS) are proposed in order to mitigate unstable communication problems for indoor environments [11]. Interference aware energy efficient geographical routing protocol (IEG) [12] is suggested to cope with wireless interference effects.…”
Section: Related Workmentioning
confidence: 99%
“…Geographic routing with imprecise location measurements has been investigated by research literature in an attempt to improve its resilience to location errors by increasing the packet delivery ratio (PDR) and minimizing energy consumption [2][3][4][5][6]. Three of the available forwarding techniques stand out [3][4][5], having different approaches.…”
Section: Introductionmentioning
confidence: 99%
“…Geographic routing solutions require mathematical modeling based on as many real-life challenges as possible [17], [18]; they need to rely on simple procedures which require little memory and few processing capabilities, need to be throughput-efficient, energy-optimal and have to consider realistic communication problems caused by noisy transmission environments and inaccurate location knowledge. Naturally, researchers have focused only on some of these aspects at times, neglecting others or making simplifying assumptions which enable mathematical theorisation.…”
Section: Related Workmentioning
confidence: 99%