Grid Based Clustering Design and Implementation in Wireless Sensor Networks with Neighborhood Approach

Yıl 2022, Cilt: 10 Sayı: 3, 1302 - 1312, 31.07.2022

Mesut Uğurlu , Abdullah Orman , Murat Dener

https://doi.org/10.29130/dubited.1016930

Öz

Wireless sensor networks are extensively used to monitor field in medical, military, industrial, agricultural and environmental application. There are many sensor nodes in these networks and these nodes have limited resources. In addition, these sensor nodes become unusable when they run out of energy due to the lack of recharging feature. Efficient use of energy consumption is one of the most important working areas in these networks. The clustering approach divides the area where the nodes are distributed into clusters and selects a cluster head for each cluster. The cluster head collects the data detected from the sensor nodes in the cluster, combines it and transmits it to the base station. Clustering reduces energy consumption and extends the life of the network.In this study, grid-based clustering was performed and the node with the most neighbors was chosen as the cluster head. When the cluster head energy decreases, the node with the most secondary neighbors in the related cluster is selected as the cluster head. The proposed method was implemented in the MATLAB simulation environment. When the findings obtained in the study are examined, it has been observed that the proposed method has a much longer life than the networks created without clustering and the energy consumption in the sensor nodes is made efficient.

Anahtar Kelimeler

Wireless sensor networks, Grid-based clustering, Neighborhood approach

Komşuluk Yaklaşımı ile Kablosuz Sensör Ağlarda Izgara Temelli Kümeleme Tasarımı ve Uygulaması

Öz

Kablosuz sensör ağlar, medikal, askeri, endüstriyel, tarım ve çevresel uygulamada alanı izlemek için yoğun olarak kullanılmaktadır. Bu ağlarda birçok sensör düğüm bulunmaktadır ve bu düğümler kısıtlı kaynaklar sahiptir. Ayrıca bu sensör düğümler tekrar şarj özelliğinin çok olmaması nedeni ile enerjilerini bittiği durumlarda tekrar kullanılamaz hale gelmektedir. Enerji tüketiminin verimli kullanılması bu ağlardaki en önemli çalışma alanlarından biridir. Kümeleme yaklaşımı düğümlerin dağıtıldığı alanı kümelere ayırır ve her küme için bir küme başı seçer. Küme başı küme içerisinde bulunan sensör düğümlerden algılanan verileri toplar, birleştirir ve baz istasyonuna iletir. Kümeleme enerji tüketimini azaltarak ağın ömrünü uzatır. Bu çalışmada ızgara temelli kümeleme işlemi yapılmış ve en çok komşuluğa sahip düğüm küme başı olarak seçilmiştir. Küme başı enerjisi azaldığında ilgili küme içerisinde en çok ikincil komşuluğa sahip düğüm küme başı seçilmektedir. Önerilen yöntem MATLAB simülasyon ortamında gerçekleştirilmiştir. Çalışmada elde edilen bulgular incelendiğinde önerilen yöntemin, kümeleme yapılmadan oluşturulan ağlara kıyasla %60 daha uzun ömürlü olduğu ve sensör düğümlerde enerji tüketiminin verimli hale getirildiği gözlemlenmiştir.

Anahtar Kelimeler

Kablosuz sensör ağlar, Izgara temelli kümeleme, Komşuluk yaklaşımı

Kaynakça

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