A Novel Distributed CDS Algorithm for Extending Lifetime of WSNs With Solar Energy Harvester Nodes for Smart Agriculture Applications

Güleç, Ömer; Haytaoğlu, Elif; Tokat, Sezai

doi:10.1109/access.2020.2983112

Cited by 38 publications

(13 citation statements)

References 47 publications

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“…However, in this scenario, the biggest impediment is a trade-off concerning supportability and efficiency between the protocols in IoT and Wireless Sensor Network (WSN). The most recent study carried out by Gulec et al [73] has discussed improving the lifetime of WSN focusing on PA in a distributed environment. The study uses connected dominating sets as a backbone of communication in WSN considering harvester and regular sensors in farming.…”

Section: Wsn In Precision Agriculturementioning

confidence: 99%

Emerging Line of Research Approach in Precision Agriculture: An Insight Study

Vanishree¹,

Nagaraja²

2021

IJACSA

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The present state of agriculture and its demand is very much different than what it used to be two decades back. Hence, Precision Agriculture (PA) is more in demand to address this challenging demand. With consistent pressure to develop multiple products over the same agricultural land, farmers find PA's adoption the best rescue-based solution with restricted resources. PA accelerates the yield and potentially assists in catering up the demand of scarcity of demands of food. With the increasing adoption of PA-based technologies over farming, there are best possibilities to explore efficient farming practices and better decision-making facilitated by real-time data availability. There isan evolution of various novel technologies to boost agricultural performance, i.e. variable rate technology, Geomapping, remote sensing, automated steering system, and satellite positioning system. Apart from this, it is also observed that Internet-of-Things (IoT) and Wireless Sensor Network (WSN) have been slowly penetrating this area to acceleratePA's technological advancement. It is noticed that the adoption of sensing technology is a common factor in almost all the techniques used in PA. However, there is no clear idea about the most dominant approach in this regard. Therefore, this paper discusses existing approaches concerning standard conventional PA and sensing-based PA using WSN. The study contributes towards some impressive learning outcomes to state that WSN and IoT are extensive to boost PA.

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Section: Wsn In Precision Agriculturementioning

confidence: 99%

Emerging Line of Research Approach in Precision Agriculture: An Insight Study

Vanishree¹,

Nagaraja²

2021

IJACSA

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“…Bahsedilen algoritmada ilk olarak maksimal bağımsız küme bulunmakta, baskın düğümleri bağlama aşamasında [25]'te önerilmiş olan derin öncelikli arama (depth first search) tabanlı algoritma kullanılmaktadır. Bunun dışında BBK oluşturulmasında enerji hasadı yapan düğümlerin bulunması [31]'de de düşünülmüştür. Ancak ilgili algoritma baskın kümeyi bir defaya mahsus oluşturmakta olup düğümlerin enerjisinin bitmesi sonucunda ağın parçalanma durumu oluşmasa bile BBK'nın yeniden oluşturularak yaşam süresinin artırılması hedeflenmemiştir.…”

Section: İlgili çAlışmalarunclassified

A new reconstructable distributed connected dominating set algorithm for extending the lifetime of wireless sensor networks including energy harvester nodes

Haytaoğlu¹,

Güleç²,

Tosun³

2021

Pamukkale J Eng Sci

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Telsiz duyarga ağları sağlık, ziraat, güvenlik ve eğlence gibi çeşitli alanlarda fayda sağlamaktadır. Bu ağları oluşturan düğümlerin enerji kaynaklarının kısıtlı olmasından dolayı enerjilerini etkin bir şekilde kullanmaya yönelik çeşitli çalışmalar gerçekleştirilmiştir. Bu çalışmalarda genel olarak, düğümlerin nöbetleşe sıra ile çalışması ya da sistemde enerji etkin bir iletişim omurgası kullanılması üzerinde durulmuştur. Telsiz duyarga ağlarında iletişim omurgası olarak genellikle bağlı baskın kümeler kullanılmaktadır. Ayrıca, kendi enerjisini üreten düğümlerin de telsiz duyarga ağı sistemlerinde kullanılarak bu sistemlerin yaşam süresinin arttırılması literatürdeki bazı çalışmalarda düşünülmüştür. Bu çalışmada telsiz duyarga sistemlerinin en büyük problemlerinden olan enerji sorunu incelenerek güneş panellerinden kendi enerjisini üretebilen ve üretemeyen düğümlerin olduğu telsiz duyarga ağlarının yaşam sürelerinin arttırılması için yeniden kullanılabilen yeni bir dağıtık bağlı baskın küme algoritması önerilmiştir. Bir düğümde veya düğümlerin bazılarında enerji tükenmesi gerçekleştiğinde belirli bir miktar beklenerek, çalışan düğümlerde bir kopma gerçekleşmemişse önerilen algoritma tekrar çalıştırılmaktadır. Önerilen algoritma, telsiz duyarga ağ alanında sıklıkla kullanılan Cooja tabanlı SensEH benzetim ortamında uygulanmıştır. Önerilen algoritma ve rakip algoritma oluşturulan bağlı baskın kümelerin kullanıldığı sistemlerdeki yaşam süreleri ile algoritmaların zaman ve enerji tüketim maliyeti kapsamlı benzetim analizleri ile incelenmiştir. Elde edilen sonuçlara göre önerilen algoritmanın toplam yaşam süresini rakip algoritmaya göre yaklaşık olarak iki katına çıkartabildiği görülmüştür.Wireless sensor networks are utilized in many different areas such as health, agriculture, security, and entertainment. Since the nodes that constitute wireless sensor networks have limited energy resources, many studies have been carried out on use of their resources in an energy efficient manner. These studies generally focused on duty cycle techniques or constructing energy efficient communication backbones. In wireless sensor systems, the connected dominating sets are generally considered to be used as a backbone. In addition, the deployment of the nodes that harvest their own energy in wireless sensor networks has also been considered in recent studies. In this study, a new distributed algorithm is proposed to construct reusable connected dominating set for wireless networks that possess energy harvester nodes and ordinary nodes which could not harvest its energy. Whenever an energy depletion problem in a node or in more than one node occurs, after a specific interval, the proposed algorithm is re-employed on the alive nodes unless wireless sensor network is disconnected. The proposed algorithm was implemented on SensEH simulation environment based on Cooja which is one of the most commonly used tools in the wireless sensor network area. The new algorithm and the rival algorithm in the area are analyzed with respect to the life...

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“…Wireless devices have become increasingly compact, it has become much easier to integrate them into various environments, which in turn promotes development of the Internet Sensors 2022, 22, 787 2 of 24 of Things (IoT) and the underlying wireless sensor networks (WSNs). Smart cities [1], agriculture [2], and medicine [3] are just some areas where WSNs are employed to control smart environments via the IoT. The increasing use of WSNs has caused exponential growth in the number of autonomous individual sensor nodes (SN), which in turn poses poweringrelated challenges for the sensor networks.…”

Section: Introductionmentioning

confidence: 99%

“…1 All instances of "single-tone" refer to an unmodulated carrier. 2 All instances of "multi-tone" refer to a sum of several subcarriers. 3 Relative permittivity ε r = 3.4, the dielectric loss tangent tanδ = 0.0015.…”

Section: Introductionmentioning

confidence: 99%

Fast and Accurate Approach to RF-DC Conversion Efficiency Estimation for Multi-Tone Signals

Eidaks

Kusnins

Babajans

et al. 2022

Sensors

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The paper presents a computationally efficient and accurate numerical approach to evaluating RF–DC power conversion efficiency (PCE) for energy harvesting circuits in the case of multi-tone power-carrying signal with periodic envelopes. This type of signal has recently received considerable attention in the literature. It has been shown that their use may result in a higher PCE than the conventional sine wave signal for low to medium input power levels. This reason motivated the authors to develop a fast and accurate two-frequency harmonic balance method (2F-HB), as fast PCE calculation might appreciably expedite the converter circuit optimization process. In order to demonstrate the computational efficiency of the 2F-HB, a comparative study is performed. The results of this study show that the 2F-HB significantly outperforms such extensively used methods as the transient analysis (TA), the harmonic balance method (HB), and the multidimensional harmonic balance method (MHB). The method also outperforms the commercially available non-linear circuit simulator Keysight ADS employing both HB and MHB. Furthermore, the proposed method can be readily integrated into commonly used commercially available non-linear circuit simulation software, including the Keysight ADS, Ansys HFSS, just to name a few—minor modifications are required. In addition, to increase the correctness and reliability of the proposed method, the influence of PCB is considered by calculating Y parameters of its 3D model. The widely employed voltage doubler-based RF–DC converter for energy harvesting and wireless power transfer (WPT) in sub-GHz diapason is chosen to validate the proposed method experimentally. This RF–DC converter is chosen for its simplicity and capability to provide sufficiently high PCE. The measurements of the PCE for a voltage doubler prototype employing different multi-tone waveform signals were performed in laboratory conditions. Various combinations of the matching circuit element values were considered to find the optimal one in both—theoretical model and experimental prototype. The measured PCE is in very good agreement with the PCE calculated numerically, which attests to the validity of the proposed approach. The proposed PCE estimation method is not limited to one selected RF–DC conversion circuit and can also be applied to other circuits and frequency bands. The comparison of the PCE obtained by means of the proposed approach and the measured one shows very good agreement between them. The PCE estimation error reaches as low as 0.37%, and the maximal estimation error is 32.65%.

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A Novel Distributed CDS Algorithm for Extending Lifetime of WSNs With Solar Energy Harvester Nodes for Smart Agriculture Applications

Cited by 38 publications

References 47 publications

Emerging Line of Research Approach in Precision Agriculture: An Insight Study

Emerging Line of Research Approach in Precision Agriculture: An Insight Study

A new reconstructable distributed connected dominating set algorithm for extending the lifetime of wireless sensor networks including energy harvester nodes

Fast and Accurate Approach to RF-DC Conversion Efficiency Estimation for Multi-Tone Signals

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