Musa ÇIBUK, Davut ARI, Fikri AĞGÜN, Ümit BUDAK

TBL-MAC: Doğrusal Kablosuz Algılayıcı Ağlar için Yeni Bir Ortam Erişim Kontrol Protokolü

Kablosuz Algılayıcı Ağların özel bir türü olarak literatürde yerini almış olan Doğrusal Kablosuz Algılayıcı Ağlar (DKAA)’da ağ yapısında düğümler sıralı olarak dizilmekte ve iletişim ortamı doğrusal düzende oluşturulmaktadır. Bu tür uygulamalar için geliştirilmiş Ortam Erişim Kontrol (OEK) protokollerinin doğrusal dizilim karakteristiğine uygun olarak tasarlanması önem arz etmektedir. Çünkü ağdaki düğüm sayısı artıkça paketlerin uçtan uca gecikmesi ve koordinatör düğüme yakın olan düğümlerin veri trafiği çok yüksek seviyelere ulaşmaktadır. Ayrıca artan düğüm sayısı, çarpışma ve sıkışıklık ihtimalini de artırmaktadır. Tüm bu sebeplerden dolayı doğrusal topolojiler için geliştirilen protokollerin gecikme duyarlı, sorunsuz bağlanabilen ve hatasız veri iletimi yapan karakteristiklere sahip olması beklenmektedir. Bu çalışmada, yukarıda bahsedilen DKAA problemlerini minimuma indirgemek üzere etkili ve zor fiziksel şartlarda ağın bağlantı sürekliliğinin üstesinden gelen çevik bir OEK protokolü olan TBL-MAC geliştirilmiştir. Bu çalışma ile Doğrusal Ağ haberleşmesine katkı sunacak birçok yeniliğin literatüre kazandırılması hedeflenmiş, protokolün benzetimi yapılarak önerilerin geçerliliği test edilmiştir. Yapılan benzetim sonuçlarına göre TBL-MAC protokolünün içerdiği yöntemlerin kabul göreceği ve çalışmanın araştırmacılara yeni bakış açıları kazandıracağı düşünülmektedir.

Anahtar Kelimeler:

KAA, DKAA, OEK Protokolü, Doğrusal Topoloji, Negatif Adresleme

TBL-MAC: A New Media Access Control Protocol Design for Linear Wireless Sensor Networks

In Linear Wireless Sensor Networks (LWSNs), which has taken its place in the literature as a special type of Wireless Sensor Networks, the nodes are arranged in a sequential manner in the network structure and the communication environment is created in a linear order. It is important that the Media Access Control (MAC) protocols to be developed for such applications are designed in accordance with the linear sequence characteristics. Because as the number of nodes in the network increases, the end-to-end delay of the packets and the data traffic of the nodes close to the coordinator node reach very high levels. In addition, increasing the number of nodes increases the probability of collision and congestion. For all these reasons, protocols developed for linear topologies are expected to have characteristics that are delay sensitive, can be connected seamlessly, and transmit data to the center without error. In this study, TBL-MAC, an agile MAC protocol that effectively overcomes the connection continuity of the network in difficult physical conditions, has been developed in order to minimize the above-mentioned LWSN problems. With this study, it was aimed to bring many innovations that will contribute to Linear Network communication to the literature, and the validity of the suggestions was tested by simulating the protocol. According to the simulation results, it is thought that the methods included in the TBL-MAC protocol will be accepted and the study will bring new perspectives to the researchers.

Keywords:

WSN, LWSN, MAC Protocol, Linear Topology, Negative Addressing,

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