Performance analysis of a delay tolerant application for herd localization

Dopico, Nelson Ivan; Gutiérrez, Álvaro; Zazo, Santiago

doi:10.1016/j.comnet.2011.01.007

Cited by 5 publications

(10 citation statements)

References 20 publications

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“…Otherwise, some analyses would become too expensive either in terms of cost or time. Localization error, latency, and system scalability are assessed hereafter based on simulation results which cover a wide range of system setups-interested readers may find in [6] an extended review of simulated behavior.…”

Section: B Simulation Evaluationmentioning

confidence: 99%

Cattle-Powered Node Experience in a Heterogeneous Network for Localization of Herds

Gutiérrez

Dopico

González

et al. 2013

IEEE Trans. Ind. Electron.

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A heterogeneous network, mainly based on nodes that use harvested energy to self-energize, is presented, and its use is demonstrated. The network, mostly kinetically powered, has been used for the localization of herds in grazing areas under extreme climate conditions. The network consists of secondary and primary nodes. The former, powered by a kinetic generator, take advantage of animal movements to broadcast a unique identifier. The latter are battery-powered and gather secondary-nodetransmitted information to provide it, along with position and time data, to a final base station in charge of the animal monitoring. Because a limited human interaction is desirable, the aim of this network is to reduce the battery count of the system.

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Section: B Simulation Evaluationmentioning

confidence: 99%

Cattle-Powered Node Experience in a Heterogeneous Network for Localization of Herds

Gutiérrez

Dopico

González

et al. 2013

IEEE Trans. Ind. Electron.

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“…Consequently, the time elapsed from the last GPS reading (a priori a uniform random variable) depends on the GPS activation period. This way, localization error depends on the mobility pattern, GPS activation period and propagation conditions (Dopico et al, 2011). Both the first one and the latter are modeled in previous sections.…”

Section: 2 Localization Errormentioning

confidence: 99%

“…Trials were held in university laboratories, in outdoors in Spain, in Jokkmokk and its surroundings (Sweden) in winter 2009, 2010 and 2011. Hereafter, some test results are highlighted in order to provide readers with some proof of the system feasibility, readers seeking further information should check (Gutiérrez et al, 2009;Dopico et al, 2011) for other details and complementary information.…”

Section: A2 Equipment Trialsmentioning

confidence: 99%

“…Changing trajectory may turn out to be a directional change, a speed reduction or simply stopping. For comparison between the simulator used and other network simulators see (Dopico et al, 2011).…”

Section: Simulation Softwarementioning

confidence: 99%

“…This way, the number of detections per secondary node which take place over a day is an intuitive measure of the amount of information that a herder may retrieve from the system. Dopico et al (2011) coined the term active area as the area within primaries' reception range -any place where a secondary may broadcast from so that a primary may receive its beacon. They concluded that even though the active area mattered, the area size in which animals were expected to move on was more relevant; therefore, it has been found more convenient and intuitive to use the density of primary reindeer per km 2 as the conditioning variable to base on the study of the number of daily detections.…”

Section: Detections Per Daymentioning

confidence: 99%

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Performance assessment of a kinetically-powered network for herd localization

Dopico¹,

Gutiérrez²,

Zazo³

2012

Computers and Electronics in Agriculture

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Developing a herd localization system capable to operate unattended in communication-challenged areas arises from the necessity of improving current systems in terms of cost, autonomy or any other facilities that a certain target group (or overall users) may demand. A network architecture of herd localization is proposed with its corresponding hardware and a methodology to assess performance in different operating conditions. The system is designed taking into account an eventual environmental impact hence most nodes are simple, cheap and kinetically powered from animal movements -neither batteries nor sophisticated processor chips are needed. Other network elements integrating GPS and batteries operate with selectable duty cycles, thus reducing maintenance duties. Equipment has been tested on Scandinavian reindeer in Lapland and its element modeling is integrated into a simulator to analyze such localization network applicability for different use cases. Performance indicators (detection frequency, localization accuracy and delay) are fitted to assess the overall performance; system relative costs are enclosed also for a range of deployments.

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