Belma KORKUTER, ALİ HAKAN ULUSOY, AHMET RİZANER

Gezgin tasarsız ağ yönlendirme protokollerinde enerji tüketim değerlendirilmesi

Hızla gelişen kablosuz ağ teknolojisi, günümüzde de akademik anlamda ilgi odağı konular arasında olmaya devam etmektedir. Gezgin tasarsız ağlar (MANETs) gezgin düğümlerden oluşur. Bu düğümlerden verilerin en uygun yolu kullanarak iletilmesi mevcut ağ için önem arz eder. Bu çalışmada, en yaygın yönlendirme protokollerinden olan AODV, DSR, OLSR ve DSDV protokolleri farklı senaryolar kullanılarak, NS-2 benzetim ortamında değerlendirilmiştir. Bilindiği gibi, bir kablosuz ağın ömrü içinde barındırdığı düğümlerin batarya limitleriyle orantılıdır. Bu sebeple gezgin tasarsız ağlar için seçilen yönlendirme protokolü, ağın ömrü adına oldukça önemlidir. Bu çalışmada, yukarıda bahsi geçen yönlendirme protokollerinin enerji tüketimleri farklı koşullar altında analiz edilmiş ve başta DSDV olmak üzere tabloya dayalı yönlendirme protokollerinin farklı senaryolarda enerji konusunda en iyi performansa sahip oldukları sonucuna varılmıştır.

Energy consumption evaluation for mobile ad hoc routing protocols

Rapidly developing wireless network technology has been continued to become the most popular research field for a couple of years. Mobile Ad hoc Networks (MANETs) are formed by mobile nodes. It is a crucial issue for the network that the data passing through these nodes is delivered by the most appropriate route. In this study, the most common routing protocols, AODV, DSR, OLSR and DSDV, are evaluated by using different scenarios in NS-2 simulation environment. As is well known, the lifetime of a wireless network is restricted to battery limits of nodes located inside. Because of this reason, chosen routing protocol for MANET is significant for the lifetime of the network. In this study, energy consumption of abovementioned routing protocols was analyzed under different conditions. It is shown with extensive simulation results that the table-driven protocols such as DSDV have better performance in terms of energy efficiency.

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