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Interference aware medium access control

Agadakos Nikolaos

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/9548BF6E-90BE-4B58-9D48-0A50A2395BC7
Έτος 2015
Τύπος Μεταπτυχιακή Διατριβή
Άδεια Χρήσης
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Περίληψη

Cross-layer protocol design for wireless sensor networking (WSN) has been in the research spotlight,due to its challenging nature and the current availability of powerful commodity radios. This work proposes TUCCOM,a cross-layer, multi-frequency channel, interference-agile and mobility-friendly, lightweight WSN protocol that utilizesvarious metrics found across the physical, medium access control (MAC) and network layers. Requiring no priortopology knowledge, TUCCOM can provide ad-hoc networks with self organizing and healing capability. The routingdecisions are distributively made, with distance vector score-based techniques, simple interference detection andfrequency channel hopping. The fundamental mechanisms are discussed and experimental evaluation results on real custom nodes are presented. TUCCOM operates on low-end, low-cost 8-bit micro-controllers, absent of any operating system. In that way, the proposed work can potentially accommodate experimental evaluations of advanced algorithms,such as network coding or backpressure routing, in interference-rich, ultra-low cost WSN testbeds.

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